/* ============================================================
   RAI Brain — Strategic Intelligence Interface
   Design system: verakovaleva.com (applied)
   Static site stylesheet. No framework, no build step.
   ============================================================ */

/* ---------- Geometria typeface ---------- */
@font-face {
  font-family: "Geometria";
  src: local("Geometria Light"), local("Geometria-Light"), local("GeometriaLight"),
       url("../fonts/Geometria-Light.woff2") format("woff2"),
       url("../fonts/Geometria-Light.ttf") format("truetype");
  font-weight: 300; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geometria";
  src: local("Geometria"), local("Geometria-Regular"),
       url("../fonts/Geometria-Regular.woff2") format("woff2"),
       url("../fonts/Geometria-Regular.ttf") format("truetype");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geometria";
  src: local("Geometria Medium"), local("Geometria-Medium"),
       url("../fonts/Geometria-Medium.woff2") format("woff2"),
       url("../fonts/Geometria-Medium.ttf") format("truetype");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geometria";
  src: local("Geometria Bold"), local("Geometria-Bold"),
       url("../fonts/Geometria-ExtraBold.woff2") format("woff2"),
       url("../fonts/Geometria-ExtraBold.ttf") format("truetype");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Geometria";
  src: local("Geometria ExtraBold"), local("Geometria-ExtraBold"),
       local("GeometriaExtraBold"), local("Geometria Extra Bold"),
       url("../fonts/Geometria-ExtraBold.woff2") format("woff2"),
       url("../fonts/Geometria-ExtraBold.ttf") format("truetype");
  font-weight: 800; font-style: normal; font-display: swap;
}

/* ============================================================
   Root tokens — verakovaleva design system
   ============================================================ */
:root {
  /* Surface */
  --bg:             #06070a;
  --bg-0:           #06070a;
  --bg-1:           #0b0c10;
  --bg-2:           #101218;
  --bg-3:           #161922;
  --surface:        rgba(255, 255, 255, 0.025);

  /* Lines */
  --line:           rgba(255, 255, 255, 0.08);
  --line-2:         rgba(255, 255, 255, 0.16);
  --line-strong:    rgba(255, 255, 255, 0.16);  /* alias of --line-2 */
  --line-hot:       rgba(220, 232, 250, 0.42);

  /* Ink scale (verakovaleva) */
  --ink:            #ffffff;
  --ink-0:          #ffffff;
  --ink-1:          #dee1e6;
  --ink-2:          #dee1e6;
  --ink-3:          #8c909a;
  --ink-4:          #8c909a;
  --ink-5:          #4a4e57;

  /* Legacy accent tokens (mapped onto lavender RAI hue) */
  --accent:         #c592eb;
  --accent-soft:    rgba(197, 146, 235, 0.18);
  --signal:         #8aaee8;
  --signal-soft:    rgba(138, 174, 232, 0.18);

  /* RAI gradient — saturated 135° */
  --rai-grad: linear-gradient(135deg,
    #f5b487 0%,
    #f297c8 26%,
    #c592eb 52%,
    #8aaee8 78%,
    #7cc4d6 100%);

  /* RAI gradient — 90° text variant */
  --rai-grad-text: linear-gradient(90deg,
    #f5b487 0%,
    #f297c8 26%,
    #c592eb 52%,
    #8aaee8 78%,
    #7cc4d6 100%);

  /* RAI gradient — pastel (primary hover) */
  --rai-grad-pastel: linear-gradient(135deg,
    #fad6b9 0%,
    #f8c2db 26%,
    #dabcef 52%,
    #b4c8ee 78%,
    #b5dbe3 100%);

  /* RAI gradient — translucent 13% (outline hover) */
  --rai-grad-soft: linear-gradient(135deg,
    rgba(245, 180, 135, 0.13) 0%,
    rgba(242, 151, 200, 0.13) 26%,
    rgba(197, 146, 235, 0.13) 52%,
    rgba(138, 174, 232, 0.13) 78%,
    rgba(124, 196, 214, 0.13) 100%);

  /* Glow shadows */
  --glow-card:    0 16px 40px -14px rgba(197, 146, 235, 0.35);
  --glow-sibling: 0 14px 36px -12px rgba(197, 146, 235, 0.40);
  --glow-primary: 0 10px 28px -12px rgba(197, 146, 235, 0.32);

  /* Background signal-field gradients */
  --grad-hero:
    radial-gradient(1200px 700px at 12% 8%, rgba(60, 90, 160, 0.18), transparent 60%),
    radial-gradient(900px 600px at 88% 12%, rgba(180, 120, 80, 0.07), transparent 60%),
    radial-gradient(1000px 700px at 50% 100%, rgba(60, 90, 160, 0.18), transparent 65%),
    linear-gradient(180deg, #06070a 0%, #07090e 50%, #06070a 100%);
  --grad-panel:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0));
  --grad-rule:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);

  /* Typography */
  --font-display: "Geometria", "Futura PT", "Futura", "Avenir Next", "Avenir", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-sans:    "Geometria", "Futura PT", "Futura", "Avenir Next", "Avenir", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "SF Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Rhythm */
  --measure:      72ch;
  --gutter:       clamp(20px, 4vw, 56px);
  --section-y:    clamp(96px, 12vw, 168px);
  --pad-y:        clamp(96px, 12vw, 168px);

  /* Radii */
  --r-sm:         4px;
  --r-md:         10px;
  --r-lg:         18px;

  /* Motion */
  --ease:         cubic-bezier(.2, .6, .2, 1);
  --ease-reveal:  cubic-bezier(.16, .84, .32, 1);
  --t-fast:       180ms;
  --t-med:        420ms;
  --t-slow:       900ms;
  --dur-1:        180ms;  /* legacy alias */
  --dur-2:        420ms;
  --dur-3:        900ms;
}

@media (max-width: 720px) {
  :root { --pad-y: clamp(72px, 16vw, 110px); --section-y: clamp(72px, 16vw, 110px); }
}

/* ============================================================
   Base reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.6;
  color: var(--ink-1);
  background: var(--bg);
  min-height: 100vh;
  overflow-x: hidden;
}
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--accent-soft); color: var(--ink-0); }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink-0);
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin: 0 0 0.5em;
  text-transform: none;
}
h1 { font-size: clamp(40px, 6vw, 92px); font-weight: 800; letter-spacing: -0.035em; line-height: 0.98; }
h2 { font-size: clamp(34px, 5.6vw, 80px); font-weight: 800; letter-spacing: -0.04em; }
h3 { font-size: 28px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; }
h4 {
  font-size: 20px;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 1em;
}

p { margin: 0 0 1.1em; max-width: var(--measure); color: var(--ink-1); font-weight: 400; }
p.lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.42;
  color: var(--ink-0);
  letter-spacing: -0.005em;
}
p.small { font-size: 20px; color: var(--ink-3); font-weight: 300; }

.mono {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--ink-3);
}

/* RAI gradient text utility (used by hero em, etc.) */
.rai-text,
.hero__title em,
.doctrine__quote em {
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  /* italic glyphs overhang the inline box — extend the paint area so the
     last letter is not clipped by the background-clip edge */
  padding-right: 0.14em;
  margin-right: -0.14em;
}

/* ============================================================
   Layout primitives
   ============================================================ */
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter); }
.container--narrow { max-width: 1080px; }
.container--wide   { max-width: 1640px; }

.section { padding-block: var(--pad-y); position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section__head { margin-bottom: clamp(40px, 5vw, 72px); display: grid; gap: 18px; }
.section__head.row { grid-template-columns: 1fr; }
@media (min-width: 880px) {
  .section__head.row { grid-template-columns: minmax(180px, 1fr) 3fr; gap: 48px; align-items: baseline; }
}

.rule { height: 1px; background: var(--grad-rule); border: 0; margin: 0; }
.page-head + .rule, .hero + .rule { display: none; }
.page-head + .rule + .section, .hero + .rule + .section { padding-top: clamp(28px, 4vw, 56px); }

/* ============================================================
   Background canvas — signal field
   1. Radial glows  2. Grid 88×88  3. Drifting orbs  4. Noise  5. Scanlines
   ============================================================ */
.canvas {
  position: fixed; inset: 0;
  z-index: -3;
  background: var(--grad-hero);
  pointer-events: none;
  overflow: hidden;
}
.canvas::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}
.canvas::after {
  content: "";
  position: absolute; inset: -10%;
  background:
    radial-gradient(60vmax 60vmax at 18% 22%, rgba(197, 146, 235, 0.22), transparent 60%),
    radial-gradient(60vmax 60vmax at 82% 78%, rgba(124, 196, 214, 0.18), transparent 60%);
  filter: blur(120px);
  animation: drift 28s ease-in-out infinite alternate;
}

@keyframes drift {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg); }
  100% { transform: translate3d(4vw, 3vh, 0) rotate(6deg); }
}

/* Film grain */
.grain {
  position: fixed; inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: 0.06;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.grain::after {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(255,255,255,0.025) 0,
    rgba(255,255,255,0.025) 1px,
    transparent 1px,
    transparent 2px
  );
  mix-blend-mode: overlay;
  opacity: 0.35;
}

/* ============================================================
   Header / Navigation
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  background: rgba(6, 7, 10, 0.55);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); background: rgba(6, 7, 10, 0.78); }

/* RAI Brain living-evolution band — full-bleed, sits directly under the header */
.brain-band { width: 100%; background: #000; border-bottom: 1px solid var(--line); }
.brain-band__frame {
  display: block; width: 100%; border: 0; background: #000;
  /* Fills the viewport under the 88px sticky header on desktop; on narrow screens
     it shrinks to the brain's own 1000x780 aspect so the brain fills the width
     instead of floating small inside a tall black band. */
  height: min(calc(100vh - 88px), 78vw);
}

/* EVOLUTION wordmark — giant full-bleed gradient word directly under the living brain */
.evolution-mark {
  background: #000;
  text-align: center;
  padding-block: clamp(24px, 4vw, 72px);
  padding-inline: clamp(12px, 2.5vw, 32px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.evolution-mark__heading { margin: 0; line-height: 0; }
.evolution-mark__svg {
  /* SVG scales to its box, so the word ALWAYS fits the screen and never clips —
     width:100% makes it adapt fluidly to the viewport; the cap just keeps it
     from getting absurd on ultra-wide monitors. Big + epic, never overflowing. */
  display: block; width: 100%; max-width: 1600px; height: auto; margin-inline: auto;
  /* soft aurora bloom — as if the brain above casts light onto the word */
  filter:
    drop-shadow(0 0 38px rgba(197, 146, 235, 0.30))
    drop-shadow(0 0 120px rgba(124, 196, 214, 0.18));
}
.evolution-mark__sub {
  /* p has a global max-width — center the block itself so the line sits
     exactly under the middle of the wordmark */
  margin-inline: auto;
  max-width: none;
  margin-top: clamp(8px, 1.6vw, 26px);
  font-family: var(--font-display);
  font-weight: 300;                        /* Geometria Light */
  font-size: clamp(20px, 2.2vw, 30px);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: rgba(214, 226, 245, 0.66);
  text-indent: 0.42em;                     /* optical balance for the tracking */
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
  padding-block: 14px;
  min-height: 88px;
}
/* Header uses the full viewport width — logo far left, menu far right */
.site-header .container {
  max-width: none;
  padding-inline: clamp(20px, 2.8vw, 64px);
}
.brand {
  display: inline-flex; align-items: center; gap: 14px;
  color: var(--ink-0);
  text-decoration: none;
}
.brand__logo {
  height: 60px; width: auto;
  display: block;
  filter: drop-shadow(0 0 22px rgba(180, 160, 220, 0.20));
  transition: transform var(--t-med) var(--ease), filter var(--t-med) var(--ease);
}
.brand:hover .brand__logo {
  transform: translateY(-1px);
  filter: drop-shadow(0 0 26px rgba(197, 146, 235, 0.32));
}
.brand__word {
  font-family: var(--font-display);
  font-weight: 800;                   /* Geometria Extra Bold for "Brain" */
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--ink-0);
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  line-height: 1;
  position: relative;
  padding-left: 14px;
}
.brand__word::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 1px; height: 68px;
  transform: translateY(-50%);
  background: var(--line-2);
}
.brand__word em {
  font-style: normal;
  color: var(--ink-0);
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 14px;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  display: block;
  white-space: nowrap;
  line-height: 1.35;
}
.brand__word em::before { content: none; }

@media (max-width: 720px) {
  .brand__word { display: none; }
  .brand__logo { height: 56px; }
}

/* Footer brand variant */
.site-footer .brand__logo { height: 64px; }
.site-footer .brand__word { font-size: 28px; }

.nav__menu {
  display: flex; gap: 28px; align-items: center;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-1);
  list-style: none;
  margin: 0; padding: 0;
}
.nav__menu a {
  position: relative;
  padding: 10px 0;
  transition: color var(--t-fast) var(--ease);
}
.nav__menu > li { flex: 0 0 auto; }
.nav__menu a:hover { color: var(--ink-0); }
.nav__menu a.is-active { color: var(--ink-0); }
.nav__menu a.is-active::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 4px;
  height: 1px;
  background: var(--rai-grad-text);
}
.nav__menu a.is-restricted { display: none; }

/* ---------- Dropdown submenu ---------- */
.nav__menu .has-submenu { position: relative; }
.nav__menu .has-submenu > a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.nav__menu .has-submenu > a::after {
  content: "";
  width: 6px; height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  opacity: 0.6;
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav__submenu {
  position: absolute;
  top: 100%;
  left: -16px;
  min-width: 220px;
  margin: 0; padding: 10px 0;
  list-style: none;
  background: var(--bg);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.6);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), visibility var(--t-fast) var(--ease);
  z-index: 50;
}
.nav__submenu li { display: block; }
.nav__submenu a {
  display: block;
  padding: 10px 18px;
  white-space: nowrap;
}
.nav__menu .has-submenu:hover > .nav__submenu,
.nav__menu .has-submenu:focus-within > .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__menu .has-submenu:hover > a::after,
.nav__menu .has-submenu:focus-within > a::after {
  transform: translateY(0) rotate(45deg);
  opacity: 1;
}

/* ---------- Nested submenu (level 2) ---------- */
.nav__submenu { overflow: visible; }
.nav__submenu .has-submenu { position: relative; }
.nav__submenu .has-submenu > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-right: 28px;
}
.nav__submenu .has-submenu > a::after {
  content: "";
  width: 5px; height: 5px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0.5;
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
  position: absolute;
  right: 12px;
  top: 50%;
  margin-top: -3px;
}
.nav__submenu .nav__submenu {
  top: -10px;
  left: calc(100% + 4px);
  min-width: 240px;
  z-index: 60;
}
.nav__submenu .has-submenu:hover > .nav__submenu,
.nav__submenu .has-submenu:focus-within > .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav__submenu .has-submenu:hover > a::after,
.nav__submenu .has-submenu:focus-within > a::after {
  opacity: 1;
  transform: rotate(-45deg) translateX(2px);
}
.nav__submenu .has-submenu::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12px;
  width: 12px;
  height: 100%;
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  margin-left: 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
  line-height: 1;
  color: var(--ink-0);
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.nav__cta:hover {
  background: var(--rai-grad-soft);
  border-color: var(--line-hot);
  box-shadow: var(--glow-primary);
}

.nav__toggle { display: none; }

@media (max-width: 1299px) {
  .nav__menu { display: none; position: absolute; top: 100%; left: 0; right: 0; height: calc(100vh - 88px); height: calc(100dvh - 88px); padding: 40px var(--gutter); background: #06070a; flex-direction: column; align-items: flex-start; gap: 24px; font-size: 18px; font-weight: 300; overflow-y: auto; z-index: 100; white-space: normal; }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { color: var(--ink-1); }
  .nav__cta { align-self: flex-start; margin-top: 12px; }
  .nav__menu .has-submenu { width: 100%; }
  .nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 8px 0 0 18px;
    min-width: 0;
  }
  .nav__submenu a { padding: 8px 0; font-size: 16px; }
  .nav__submenu .nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: 0;
    box-shadow: none;
    padding: 4px 0 0 18px;
    min-width: 0;
  }
  .nav__submenu .has-submenu > a::after { display: none; }
  .nav__toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--line-2); border-radius: var(--r-sm); }
  .nav__toggle span { display: block; width: 16px; height: 1px; background: var(--ink-0); position: relative; }
  .nav__toggle span::before, .nav__toggle span::after { content: ""; position: absolute; left: 0; width: 16px; height: 1px; background: var(--ink-0); }
  .nav__toggle span::before { top: -5px; }
  .nav__toggle span::after  { top: 5px; }
}

/* ============================================================
   Gradient-border utility — dark by default, RAI gradient on hover.
   Per design rule: at most one active gradient block per page,
   and only on the element the user is interacting with.
   ============================================================ */
.gframe {
  position: relative;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  transition: background var(--t-fast) var(--ease);
}
.gframe:hover {
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    var(--rai-grad) border-box;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding-block: clamp(80px, 14vw, 200px) clamp(24px, 3.5vw, 44px);
}
/* homepage: pull the 3 product cards up close under the hero title */
#products { padding-block-start: clamp(20px, 3vw, 40px); }
.hero__index {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 40px;
}
.hero__index span { color: var(--ink-3); }
.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 7vw, 104px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  color: var(--ink-0);
  max-width: 18ch;
  text-transform: none;
}
.hero__title em {
  font-style: normal;
  font-weight: 800;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
.hero__meta {
  margin-top: clamp(40px, 6vw, 72px);
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
}
@media (min-width: 880px) {
  .hero__meta { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 80px; align-items: end; }
}
.hero__lede {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 1.9vw, 26px);
  line-height: 1.45;
  color: var(--ink-1);
  max-width: 52ch;
}
.hero__stamp {
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: grid; gap: 6px;
  border-left: 1px solid var(--line-2);
  padding-left: 20px;
}
.hero__stamp strong { color: var(--ink-1); font-weight: 400; }

/* ============================================================
   Domain grid — gradient-bordered cards
   ============================================================ */
.domains {
  display: grid;
  gap: 18px;
}
.domains__cell {
  position: relative;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: clamp(28px, 3vw, 44px);
  min-height: 260px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: background var(--t-med) var(--ease), transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.domains__cell:hover {
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  transform: translateY(-2px);
  box-shadow: var(--glow-card);
}
.domains__cell .mono { color: var(--ink-3); }
.domains__cell h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  color: var(--ink-0);
}
.domains__cell p {
  color: var(--ink-2);
  font-size: 20px;
  font-weight: 400;
  margin: 20px 0 0;
  max-width: 38ch;
}
@media (min-width: 720px)  { .domains { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .domains { grid-template-columns: repeat(3, 1fr); } }

/* ============================================================
   Inquiry / feature block
   ============================================================ */
.feature {
  display: grid; gap: 48px;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 960px) {
  .feature { grid-template-columns: 5fr 7fr; gap: 80px; }
}
.feature__panel {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--r-md);
  border: 1.5px solid var(--line-2);
  overflow: hidden;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(138, 174, 232, 0.20), transparent 55%),
    radial-gradient(circle at 80% 90%, rgba(197, 146, 235, 0.18), transparent 55%),
    linear-gradient(180deg, #0d1117, #06070a);
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease);
}
.feature__panel:hover {
  border-color: transparent;
  background:
    radial-gradient(circle at 30% 20%, rgba(138, 174, 232, 0.20), transparent 55%) padding-box,
    radial-gradient(circle at 80% 90%, rgba(197, 146, 235, 0.18), transparent 55%) padding-box,
    linear-gradient(180deg, #0d1117, #06070a) padding-box,
    var(--rai-grad) border-box;
  box-shadow: var(--glow-card);
}

/* Map-preview variant — live miniature of the constellation map */
.feature__panel.map-preview {
  aspect-ratio: 16 / 9;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: block;
  text-decoration: none;
  cursor: pointer;
  isolation: isolate;
}
.feature__panel.map-preview::after { display: none; }
.map-preview__frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
  border-radius: inherit;
}
.map-preview__iframe {
  /* Render at 2× scale, then transform-shrink to half — gives a denser
     "miniature" feel where more of the constellation is visible at once. */
  position: absolute;
  top: 0; left: 0;
  width: 200%;
  height: 200%;
  border: 0;
  display: block;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
  filter: saturate(0.95) brightness(0.95);
  transition: filter var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.feature__panel.map-preview:hover .map-preview__iframe {
  filter: saturate(1.1) brightness(1.05);
}
.feature__panel.map-preview .feature__panel-overlay {
  z-index: 2;
  color: var(--ink-0);
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6,7,10,0.55) 0%, transparent 25%, transparent 70%, rgba(6,7,10,0.75) 100%);
}
.feature__panel::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 50%, #000 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 40%, transparent 80%);
}
.feature__panel-overlay {
  position: absolute; inset: 0;
  padding: 28px;
  display: flex; flex-direction: column; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
  z-index: 1;
}

.feature__body h2 { margin-bottom: 24px; }
.feature__body p  { color: var(--ink-1); font-size: 20px; font-weight: 400; }

/* ============================================================
   Research roster
   ============================================================ */
.roster { display: grid; gap: 0; border-top: 1px solid var(--line); }
.roster__row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: padding-left var(--t-med) var(--ease);
}
.roster__row:hover { padding-left: 12px; }
.roster__num { font-family: var(--font-mono); font-size: 20px; color: var(--ink-3); letter-spacing: 0.22em; padding-top: 6px; }
.roster__body { display: grid; gap: 10px; }
.roster__title { font-family: var(--font-display); font-size: clamp(22px, 2.2vw, 32px); font-weight: 800; letter-spacing: -0.02em; color: var(--ink-0); margin: 0; line-height: 1.15; }
.roster__meta { display: flex; flex-wrap: wrap; gap: 16px; font-family: var(--font-mono); font-size: 20px; color: var(--ink-3); letter-spacing: 0.22em; text-transform: uppercase; font-weight: 400; }
.roster__desc { color: var(--ink-2); font-size: 20px; max-width: 68ch; margin: 4px 0 0; font-weight: 400; }

/* ============================================================
   CTA banner (gradient-bordered)
   ============================================================ */
.cta {
  border-radius: var(--r-md);
  background:
    linear-gradient(#0a0c11, #07090e) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  padding: clamp(40px, 6vw, 80px);
  display: grid; gap: 32px;
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast) var(--ease);
}
.cta:hover {
  background:
    linear-gradient(#0a0c11, #07090e) padding-box,
    var(--rai-grad) border-box;
}
.cta::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 500px at 80% 20%, rgba(138, 174, 232, 0.10), transparent 60%),
    radial-gradient(700px 500px at 10% 80%, rgba(197, 146, 235, 0.10), transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.cta > * { position: relative; z-index: 1; }
@media (min-width: 880px) {
  .cta { grid-template-columns: 1.4fr 1fr; align-items: center; }
}
.cta h2 { margin: 0; max-width: 22ch; }
.cta__side { display: grid; gap: 18px; justify-items: start; }
.cta__side p { color: var(--ink-2); font-size: 20px; margin: 0; font-weight: 400; }

/* ============================================================
   Buttons — outline / primary / ghost with sweep
   ============================================================ */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: var(--surface);
  overflow: hidden;
  isolation: isolate;
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease);
}
.btn::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 35%, rgba(255,255,255,0.18) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform var(--t-slow) var(--ease);
  pointer-events: none;
  z-index: 1;
}
.btn > * { position: relative; z-index: 2; }
.btn:hover {
  color: var(--ink-0);
  background: var(--rai-grad-soft);
  border-color: rgba(220, 232, 250, 0.28);
  box-shadow: var(--glow-card);
}
.btn:hover::before { transform: translateX(120%); }

.btn--ghost {
  background: transparent;
  border-color: var(--line);
}
.btn--ghost:hover { background: var(--rai-grad-soft); border-color: rgba(220, 232, 250, 0.28); }

.btn--primary {
  background: #f2f4f7;
  color: #0a0b0e;
  border-color: transparent;
}
.btn--primary:hover {
  background: var(--rai-grad-pastel);
  color: #0a0b0e;
  border-color: transparent;
  box-shadow: var(--glow-primary);
}

.btn .arrow { width: 14px; height: 1px; background: currentColor; position: relative; transition: transform var(--t-fast) var(--ease); }
.btn .arrow::after { content: ""; position: absolute; right: -1px; top: -3px; width: 7px; height: 7px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }
.btn:hover .arrow { transform: translateX(4px); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ink-0);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-2);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.link-arrow:hover { color: var(--ink-0); border-color: var(--line-hot); }

/* ============================================================
   Book layer
   ============================================================ */
.book-block {
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
  align-items: stretch;
}
@media (min-width: 960px) {
  .book-block { grid-template-columns: 5fr 7fr; gap: 80px; align-items: center; }
}
.book-block__cover {
  position: relative;
  aspect-ratio: 3 / 4;
  border-radius: var(--r-md);
  background:
    linear-gradient(150deg, #0d1014 0%, #07080a 60%, #0a0c10 100%) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  padding: 40px 32px;
  display: flex; flex-direction: column; justify-content: space-between;
  overflow: hidden;
  isolation: isolate;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease);
}
.book-block__cover:hover {
  background:
    linear-gradient(150deg, #0d1014 0%, #07080a 60%, #0a0c10 100%) padding-box,
    var(--rai-grad) border-box;
  box-shadow: var(--glow-card);
}
.book-block__cover::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at 30% 30%, #000 50%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 30%, #000 50%, transparent 85%);
  z-index: -1;
}
.book-block__edition {
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--ink-3);
  display: flex; justify-content: space-between; gap: 16px;
}
.book-block__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 0.96;
  letter-spacing: -0.035em;
  color: var(--ink-0);
  max-width: 14ch;
  margin: 24px 0 0;
}
.book-block__subtitle {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-2);
  max-width: 28ch;
  margin: 18px 0 0;
}
.book-block__seal {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.28em; text-transform: uppercase;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
.book-block__seal::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--rai-grad);
  box-shadow: 0 0 16px rgba(197, 146, 235, 0.55);
  flex-shrink: 0;
}
.book-block__body p { font-size: 20px; color: var(--ink-1); }
.book-block__pillars {
  display: grid; gap: 12px;
  grid-template-columns: 1fr 1fr;
  margin: 28px 0;
}
.book-block__pillar {
  padding: 14px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-1);
  background: var(--surface);
}
.book-block__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

/* Book cover — real image variant */
.book-block__cover--image {
  padding: 0;
  aspect-ratio: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}
.book-block__cover--image::before { display: none; }
.book-block__cover-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--r-md) var(--r-md) 0 0;
}
.book-block__cover-caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 18px;
  border-top: 1px solid var(--gold-rule);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  background: rgba(6, 7, 10, 0.45);
}
.book-block__cover-caption span:last-child {
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}

/* ============================================================
   Atlas — full book contents (spine strip + expandable sections)
   ============================================================ */

/* ---------- Spine strip (the "shelf") ---------- */
.atlas-strip {
  position: relative;
  margin: 0 0 36px;
  isolation: isolate;
}
.atlas-strip__shelf {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 6px 4px 22px;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
}
.atlas-strip__shelf::-webkit-scrollbar { display: none; }

/* Fade masks on left/right edges so spines bleed off elegantly */
.atlas-strip::before,
.atlas-strip::after {
  content: "";
  position: absolute;
  top: 0; bottom: 60px;
  width: 56px;
  pointer-events: none;
  z-index: 2;
}
.atlas-strip::before {
  left: 0;
  background: linear-gradient(90deg, var(--bg) 0%, rgba(6,7,10,0) 100%);
}
.atlas-strip::after {
  right: 0;
  background: linear-gradient(-90deg, var(--bg) 0%, rgba(6,7,10,0) 100%);
}

/* ---------- Individual spine (book on a shelf) ---------- */
.atlas-spine {
  flex: 0 0 auto;
  width: clamp(150px, 14vw, 188px);
  min-height: 280px;
  padding: 22px 20px 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  scroll-snap-align: start;
  position: relative;
  background:
    linear-gradient(168deg, #0c0e13 0%, #07090d 60%, #0a0c11 100%) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  color: var(--ink-1);
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition:
    transform var(--t-med) var(--ease),
    background var(--t-fast) var(--ease),
    box-shadow var(--t-med) var(--ease),
    color var(--t-fast) var(--ease);
}
.atlas-spine::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: radial-gradient(ellipse at 30% 25%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 25%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: -1;
}
.atlas-spine::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--rai-grad);
  opacity: 0;
  transform: scaleX(0.4);
  transform-origin: left center;
  transition: opacity var(--t-med) var(--ease), transform var(--t-med) var(--ease);
  z-index: 1;
}
.atlas-spine:hover,
.atlas-spine:focus-visible {
  outline: none;
  background:
    linear-gradient(168deg, #0c0e13 0%, #07090d 60%, #0a0c11 100%) padding-box,
    var(--rai-grad) border-box;
  transform: translateY(-3px);
  box-shadow: var(--glow-card);
  color: var(--ink-0);
}
.atlas-spine:hover::after,
.atlas-spine:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}
.atlas-spine.is-active {
  background:
    linear-gradient(168deg, #0c0e13 0%, #07090d 60%, #0a0c11 100%) padding-box,
    var(--rai-grad) border-box;
  box-shadow: var(--glow-card);
  color: var(--ink-0);
}
.atlas-spine.is-active::after { opacity: 1; transform: scaleX(1); }

.atlas-spine__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.atlas-spine__id {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 3.4vw, 46px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
.atlas-spine__kind {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
  max-width: 7.5em;
  line-height: 1.3;
}
.atlas-spine__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin-top: 28px;
}
.atlas-spine__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.atlas-spine__dots {
  display: inline-flex;
  gap: 4px;
}
.atlas-spine__dots i {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--ink-4);
  display: block;
  transition: background var(--t-fast) var(--ease);
}
.atlas-spine:hover .atlas-spine__dots i,
.atlas-spine.is-active .atlas-spine__dots i,
.atlas-spine:focus-visible .atlas-spine__dots i {
  background: var(--ink-0);
}
.atlas-spine__count {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.atlas-spine--accent {
  background:
    linear-gradient(168deg, #11131a 0%, #0a0c12 60%, #0d0f16 100%) padding-box,
    var(--rai-grad) border-box;
}
.atlas-spine--accent .atlas-spine__kind { color: var(--ink-2); }

/* ---------- Strip controls (arrows + progress bar) ---------- */
.atlas-strip__controls {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 4px;
  padding: 0 4px;
}
.atlas-strip__nav {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    transform var(--t-fast) var(--ease),
    opacity var(--t-fast) var(--ease);
}
.atlas-strip__nav:hover {
  background: var(--rai-grad-soft);
  border-color: rgba(220, 232, 250, 0.32);
  color: var(--ink-0);
}
.atlas-strip__nav:active { transform: scale(0.96); }
.atlas-strip__nav[disabled],
.atlas-strip__nav.is-disabled {
  opacity: 0.32;
  cursor: not-allowed;
}
.atlas-strip__arrow {
  width: 9px; height: 9px;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
}
.atlas-strip__nav--prev .atlas-strip__arrow { transform: rotate(-135deg); margin-left: 3px; }
.atlas-strip__nav--next .atlas-strip__arrow { transform: rotate(45deg);   margin-right: 3px; }

.atlas-strip__progress {
  flex: 1 1 auto;
  height: 2px;
  background: var(--line);
  position: relative;
  overflow: hidden;
  border-radius: 2px;
}
.atlas-strip__progress-bar {
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 18%;
  background: var(--rai-grad);
  border-radius: 2px;
  transition: width var(--t-fast) linear, transform var(--t-fast) linear;
}

/* ---------- Master controls (expand-all bar) ---------- */
.atlas-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  justify-content: space-between;
  padding: 22px 24px;
  margin-bottom: 8px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.018), rgba(255,255,255,0.002));
}
.atlas-controls__toggle {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 18px 10px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-0);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    box-shadow var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}
.atlas-controls__toggle:hover,
.atlas-controls__toggle:focus-visible {
  outline: none;
  background: var(--rai-grad-soft);
  border-color: rgba(220, 232, 250, 0.32);
  box-shadow: var(--glow-card);
}
.atlas-controls__icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.atlas-controls__icon::before,
.atlas-controls__icon::after {
  content: "";
  position: absolute;
  background: var(--rai-grad);
  border-radius: 2px;
}
.atlas-controls__icon::before {
  left: 0; right: 0; top: 50%;
  height: 2px;
  transform: translateY(-50%);
}
.atlas-controls__icon::after {
  top: 0; bottom: 0; left: 50%;
  width: 2px;
  transform: translateX(-50%);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.atlas-controls__toggle[aria-expanded="true"] .atlas-controls__icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}
.atlas-controls__meta {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.atlas-controls__meta strong {
  font-weight: 500;
  color: var(--ink-1);
}
.atlas-controls__dot {
  width: 3px; height: 3px;
  border-radius: 50%;
  background: var(--ink-4);
  flex-shrink: 0;
}

/* ---------- Expandable sections ---------- */
.atlas-sections {
  display: grid;
  gap: 0;
  border-bottom: 1px solid var(--line);
}
.atlas-section {
  border-top: 1px solid var(--line);
  position: relative;
  transition: background var(--t-med) var(--ease);
}
.atlas-section[open] {
  background:
    radial-gradient(900px 360px at 8% 0%, rgba(197, 146, 235, 0.05), transparent 60%),
    radial-gradient(900px 360px at 92% 100%, rgba(138, 174, 232, 0.05), transparent 60%);
}
.atlas-section + .atlas-section { border-top: 1px solid var(--line); }
.atlas-section > summary { list-style: none; cursor: pointer; }
.atlas-section > summary::-webkit-details-marker { display: none; }
.atlas-section > summary::marker { content: ""; display: none; }

.atlas-section__head {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: clamp(18px, 2.4vw, 36px);
  align-items: center;
  padding: 30px 0;
  transition: padding-left var(--t-med) var(--ease);
}
.atlas-section:hover > .atlas-section__head { padding-left: 8px; }
.atlas-section[open] > .atlas-section__head { padding-bottom: 18px; }

.atlas-section__id {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 4.2vw, 60px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--ink-2);
  background: linear-gradient(180deg, var(--ink-0) 0%, var(--ink-3) 100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  transition: background var(--t-med) var(--ease);
}
.atlas-section[open] > .atlas-section__head .atlas-section__id,
.atlas-section:hover > .atlas-section__head .atlas-section__id {
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

.atlas-section__title-block {
  display: grid;
  gap: 8px;
}
.atlas-section__kind {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.atlas-section__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.2vw, 32px);
  letter-spacing: -0.02em;
  color: var(--ink-0);
  line-height: 1.12;
}

.atlas-section__meta {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.atlas-section__chevron {
  position: relative;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.atlas-section__chevron::before,
.atlas-section__chevron::after {
  content: "";
  position: absolute;
  background: var(--ink-1);
  border-radius: 2px;
}
.atlas-section__chevron::before {
  left: 9px; right: 9px; top: 50%;
  height: 1.5px;
  transform: translateY(-50%);
}
.atlas-section__chevron::after {
  top: 9px; bottom: 9px; left: 50%;
  width: 1.5px;
  transform: translateX(-50%);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}
.atlas-section:hover > .atlas-section__head .atlas-section__chevron {
  background: var(--rai-grad-soft);
  border-color: rgba(220, 232, 250, 0.32);
}
.atlas-section[open] > .atlas-section__head .atlas-section__chevron::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

/* Variants */
.atlas-section--accent > .atlas-section__head .atlas-section__title {
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.atlas-section--final {
  border-bottom: 0;
}
.atlas-section--final > .atlas-section__head .atlas-section__title { letter-spacing: -0.025em; }

/* ---------- Chapters inside an opened section ---------- */
.atlas-chapters {
  list-style: none;
  padding: 0 0 40px;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 880px) {
  .atlas-chapters {
    grid-template-columns: 1fr 1fr;
    column-gap: 56px;
  }
}
.atlas-chapter {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.atlas-chapter:first-child,
.atlas-chapter:nth-child(2) {
  /* on 2-col layout, both first row items border-top from container */
}
@media (min-width: 880px) {
  .atlas-chapter { padding-left: 0; }
}
.atlas-chapter__num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  color: var(--ink-3);
  padding-top: 4px;
}
.atlas-chapter__body { display: grid; gap: 10px; }
.atlas-chapter__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.012em;
  line-height: 1.2;
  color: var(--ink-0);
  margin: 0;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}
.atlas-chapter__tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid var(--line-2);
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: var(--surface);
  white-space: nowrap;
  transform: translateY(-2px);
}
.atlas-chapter__points {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
  color: var(--ink-2);
  font-size: 20px;
  line-height: 1.55;
}
.atlas-chapter__points li {
  position: relative;
  padding-left: 18px;
}
.atlas-chapter__points li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 8px; height: 1px;
  background: var(--ink-4);
}
.atlas-chapter__points--terse li { font-size: 20px; }
.atlas-chapter__thesis {
  color: var(--ink-0);
  font-style: normal;
  padding-top: 6px;
  margin-top: 2px;
  border-top: 1px solid var(--line);
}
.atlas-chapter__thesis em {
  font-style: italic;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.atlas-chapter__thesis::before { display: none; }

/* Mobile tuning */
@media (max-width: 720px) {
  .atlas-section__head {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    gap: 14px 18px;
    padding: 24px 0;
  }
  .atlas-section__meta {
    grid-column: 1 / -1;
    justify-content: space-between;
  }
  .atlas-section__id { font-size: 40px; }
  .atlas-section__title { font-size: 22px; }
  .atlas-controls { padding: 18px; gap: 14px 18px; }
  .atlas-controls__meta { font-size: 20px; gap: 8px; }
  .atlas-strip__shelf { gap: 10px; }
  .atlas-spine { width: 160px; min-height: 260px; padding: 18px 16px 16px; }
  .atlas-chapter { grid-template-columns: 40px 1fr; gap: 14px; padding: 18px 0; }
  .atlas-chapter__title { font-size: 20px; }
  .atlas-chapter__points { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .atlas-strip__shelf { scroll-behavior: auto; }
  .atlas-spine,
  .atlas-section__head,
  .atlas-strip__progress-bar,
  .atlas-section__chevron::after,
  .atlas-controls__icon::after {
    transition: none;
  }
}

/* ============================================================
   Research Instruments — gradient-bordered cards
   ============================================================ */
.instruments {
  display: grid; gap: 18px;
}
@media (min-width: 720px)  { .instruments { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .instruments { grid-template-columns: repeat(3, 1fr); } }
.instrument {
  position: relative;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: clamp(28px, 3vw, 36px);
  min-height: 300px;
  display: flex; flex-direction: column; justify-content: space-between;
  transition: background var(--t-fast) var(--ease), transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.instrument:hover {
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  transform: translateY(-2px);
  box-shadow: var(--glow-card);
}
.instrument__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.instrument__id { font-family: var(--font-mono); font-size: 20px; font-weight: 400; letter-spacing: 0.28em; text-transform: uppercase; color: var(--ink-3); }
.instrument__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin: 24px 0 12px;
  line-height: 1.1;
}
.instrument__desc { color: var(--ink-2); font-size: 20px; line-height: 1.5; max-width: 38ch; margin: 0; font-weight: 400; }
.instrument__footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line); }

/* ============================================================
   Pills / chips
   ============================================================ */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: var(--ink-3);
  background: var(--surface);
  white-space: nowrap;
}
.pill::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.pill--active     { color: #c592eb; border-color: rgba(197, 146, 235, 0.40); }
.pill--preview    { color: #8aaee8; border-color: rgba(138, 174, 232, 0.40); }
.pill--restricted { color: var(--ink-3); }
.pill--soon       { color: var(--ink-2); }

/* ============================================================
   Releases timeline
   ============================================================ */
.releases { display: grid; gap: 0; border-top: 1px solid var(--line); }
.release {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: padding-left var(--t-med) var(--ease);
}
.release:hover { padding-left: 12px; }
@media (min-width: 720px) {
  .release { grid-template-columns: 140px 1fr 160px; gap: 32px; padding: 28px 0; }
}
.release__period { font-family: var(--font-mono); font-size: 20px; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-2); }
.release__body { display: grid; gap: 6px; }
.release__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin: 0;
  line-height: 1.15;
}
.release__kind { font-family: var(--font-mono); font-size: 20px; font-weight: 400; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-3); }
.release__status { text-align: left; }
@media (min-width: 720px) { .release__status { text-align: right; } }

/* ============================================================
   Founder doctrine
   ============================================================ */
.doctrine {
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, #0a0c11, #07090e) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  padding: clamp(40px, 6vw, 80px);
  display: grid; gap: 40px;
  grid-template-columns: 1fr;
  position: relative;
  overflow: hidden;
  transition: background var(--t-fast) var(--ease);
}
.doctrine:hover {
  background:
    linear-gradient(180deg, #0a0c11, #07090e) padding-box,
    var(--rai-grad) border-box;
}
.doctrine::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(700px 500px at 100% 0%, rgba(197, 146, 235, 0.10), transparent 60%);
  pointer-events: none;
}
.doctrine > * { position: relative; }
@media (min-width: 880px) {
  .doctrine { grid-template-columns: 1fr 2fr; gap: 80px; align-items: start; }
}
.doctrine__signature {
  display: grid; gap: 10px;
}
.doctrine__signature-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.6vw, 34px);
  letter-spacing: -0.025em;
  color: var(--ink-0);
  line-height: 1;
}
.doctrine__signature-role {
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.doctrine__quote {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 2.4vw, 32px);
  line-height: 1.3;
  color: var(--ink-0);
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 32ch;
}
.doctrine__quote::before {
  content: "";
  display: block;
  width: 56px; height: 2px;
  background: var(--rai-grad-text);
  margin-bottom: 32px;
}
.doctrine__quote em {
  font-style: normal;
  font-weight: 800;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}

/* ============================================================
   Principal / person card (about page)
   ============================================================ */
.principal {
  display: grid; gap: 48px;
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 880px) {
  .principal { grid-template-columns: 5fr 7fr; gap: 72px; }
}
.principal__portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  max-width: 420px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  overflow: hidden;
  background: var(--bg-2);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.70);
  isolation: isolate;
}
.principal__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.95) contrast(1.02);
  transition: transform var(--t-slow) var(--ease), filter var(--t-slow) var(--ease);
}
.principal:hover .principal__portrait img { transform: scale(1.015); filter: saturate(1) contrast(1.04); }
.principal__portrait::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, transparent 55%, rgba(6, 7, 10, 0.60) 100%),
    linear-gradient(180deg, rgba(60, 90, 160, 0.18) 0%, transparent 30%);
  pointer-events: none;
  z-index: 1;
}
/* Decorative corner brackets */
.principal__portrait::before {
  content: "";
  position: absolute; inset: 12px;
  pointer-events: none; z-index: 2;
  background:
    linear-gradient(to right,  var(--ink-0) 0 18px, transparent 18px) top left  / 18px 1px no-repeat,
    linear-gradient(to bottom, var(--ink-0) 0 18px, transparent 18px) top left  / 1px 18px no-repeat,
    linear-gradient(to left,   var(--ink-0) 0 18px, transparent 18px) top right / 18px 1px no-repeat,
    linear-gradient(to bottom, var(--ink-0) 0 18px, transparent 18px) top right / 1px 18px no-repeat,
    linear-gradient(to right,  var(--ink-0) 0 18px, transparent 18px) bottom left / 18px 1px no-repeat,
    linear-gradient(to top,    var(--ink-0) 0 18px, transparent 18px) bottom left / 1px 18px no-repeat,
    linear-gradient(to left,   var(--ink-0) 0 18px, transparent 18px) bottom right / 18px 1px no-repeat,
    linear-gradient(to top,    var(--ink-0) 0 18px, transparent 18px) bottom right / 1px 18px no-repeat;
  opacity: 0.85;
}
.principal__portrait-stamp {
  position: absolute;
  left: 20px; bottom: 18px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-0);
}

.principal__body { display: grid; gap: 22px; align-content: start; }
.principal__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 3.6vw, 48px);
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--ink-0);
  margin: 0;
}
.principal__role {
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin: 0;
}
.principal__bio { color: var(--ink-1); font-size: 20px; line-height: 1.55; max-width: 56ch; margin: 8px 0 0; font-weight: 400; }
.principal__bio p { font-size: 20px; margin: 0 0 14px; font-weight: 400; }
.principal__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* ============================================================
   Social link (LinkedIn etc.)
   ============================================================ */
.social-link {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 8px 18px 8px 8px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-0);
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.social-link:hover {
  border-color: var(--line-hot);
  background: var(--rai-grad-soft);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -12px rgba(60, 90, 160, 0.45);
}
.social-link__icon {
  width: 32px; height: 32px;
  display: block;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}
.social-link__icon img { width: 100%; height: 100%; display: block; }

/* ============================================================
   Public instruments strip (compact homepage)
   ============================================================ */
.strip {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .strip { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .strip { grid-template-columns: repeat(4, 1fr); } }
.strip__cell {
  position: relative;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: 28px;
  display: flex; flex-direction: column; gap: 14px;
  min-height: 200px;
  transition: background var(--t-fast) var(--ease), transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.strip__cell:hover {
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  transform: translateY(-2px);
  box-shadow: var(--glow-card);
}
.strip__cell .pill { align-self: flex-start; }
.strip__cell h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.015em;
  color: var(--ink-0);
  margin: 6px 0 0;
  line-height: 1.15;
}
.strip__cell p { color: var(--ink-2); font-size: 20px; line-height: 1.5; margin: 0; max-width: none; font-weight: 300; }

/* ============================================================
   Forms (Briefing / Contact) — gradient border on container + fields
   ============================================================ */
.form-shell {
  display: grid;
  gap: 48px;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) {
  .form-shell { grid-template-columns: 1.35fr 1fr; gap: 80px; }
}
.form-shell--solo { grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 960px) {
  .form-shell--solo { grid-template-columns: 1fr; gap: 32px; }
}
/* Contact page: wide form on the LEFT, narrow context column on the right */
.form-shell--contact { grid-template-columns: 1fr; gap: 40px; }
@media (min-width: 960px) {
  .form-shell--contact { grid-template-columns: 2fr 0.85fr; gap: 64px; align-items: start; }
  .form-shell--contact .form        { order: -1; }   /* form first → left column (the wide one) */
  .form-shell--contact .form-shell__side { order: 1; }
}
.form-shell__side h2 { margin-bottom: 18px; }
.form-shell__side p  { color: var(--ink-2); font-weight: 400; }

/* Required-field marker */
.req {
  color: var(--gold, #c9a86a);
  font-family: var(--font-mono);
  font-weight: 500;
  margin-left: 2px;
}

/* Thank-you panel after a successful contact submission */
.form-thanks {
  border-radius: var(--r-md);
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  border: 1.5px solid transparent;
  padding: clamp(32px, 5vw, 64px);
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.form-thanks h2 { margin-bottom: 14px; }
.form-thanks p  { color: var(--ink-2); font-weight: 400; }
.form-thanks a  { color: var(--ink-0); text-decoration: underline; text-underline-offset: 3px; }

.form {
  position: relative;
  display: grid; gap: 22px;
  border-radius: var(--r-md);
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  border: 1.5px solid transparent;
  padding: clamp(28px, 4vw, 48px);
}
.form__row { display: grid; gap: 8px; }
.form__row--2 { display: grid; gap: 22px; }
@media (min-width: 720px) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
.form label {
  font-family: var(--font-mono);
  font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.form input,
.form select,
.form textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 20px;
  font-weight: 300;
  font-family: var(--font-sans);
  color: var(--ink-0);
  border-radius: var(--r-sm);
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.form textarea { resize: vertical; min-height: 120px; }
.form input::placeholder,
.form textarea::placeholder { color: var(--ink-3); }
.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(220, 232, 250, 0.18);
}
.form__submit { display: flex; align-items: center; justify-content: space-between; margin-top: 8px; gap: 16px; flex-wrap: wrap; }
.form__note { font-size: 20px; color: var(--ink-3); font-family: var(--font-mono); letter-spacing: 0.22em; text-transform: uppercase; font-weight: 400; }

/* Consent checkbox */
.form__consent {
  display: inline-flex; align-items: flex-start; gap: 12px;
  font-size: 20px; color: var(--ink-2);
}
.form__consent input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px; height: 20px;
  min-width: 20px; min-height: 20px;
  flex: 0 0 20px;            /* never grow/shrink — stays a crisp square */
  aspect-ratio: 1 / 1;
  align-self: flex-start;
  margin-top: 1px;
  border-radius: var(--r-sm);
  background:
    linear-gradient(#15171d, #15171d) padding-box,
    linear-gradient(rgba(255,255,255,0.38), rgba(255,255,255,0.38)) border-box;
  border: 1.5px solid transparent;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.form__consent:hover input[type="checkbox"],
.form__consent input[type="checkbox"]:focus-visible {
  background:
    linear-gradient(#15171d, #15171d) padding-box,
    var(--rai-grad) border-box;
  box-shadow: 0 0 0 3px rgba(197, 146, 235, 0.16);
}
.form__consent input[type="checkbox"]:checked {
  background: var(--rai-grad);
}
.form__consent input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 5px; height: 11px;
  border: solid #06070a;
  border-width: 0 2.5px 2.5px 0;
  /* dead-center the tick regardless of box size */
  transform: translate(-50%, -60%) rotate(45deg);
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 72px 32px;
  font-size: 16px;
  color: var(--ink-2);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.4));
}
.site-footer__grid {
  display: grid; gap: 48px;
  grid-template-columns: 1fr;
}
@media (min-width: 880px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}
.site-footer h4 {
  color: var(--ink-3);
  margin-bottom: 18px;
  font-size: 13px;
  font-family: var(--font-mono);
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  white-space: nowrap;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer ul a {
  color: var(--ink-1);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}
.site-footer ul a:hover { color: var(--ink-0); }
.site-footer__brand p { color: var(--ink-2); max-width: 42ch; font-size: 16px; margin-top: 14px; font-weight: 400; }
.site-footer__base {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 400;
}
.site-footer__base span {
  font-family: var(--font-display);
  letter-spacing: 0;
  text-transform: none;
}
.site-footer__base a {
  color: var(--ink-1);
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.site-footer__base a:hover {
  color: var(--ink-0);
  border-bottom-color: var(--line-hot);
}

.site-footer .is-restricted { display: none; }

/* ============================================================
   Sub-page header band
   ============================================================ */
.page-head {
  padding-block: clamp(56px, 9vw, 120px) clamp(16px, 2vw, 28px);
}
.page-head__index {
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.32em; text-transform: uppercase; color: var(--ink-3);
  margin-bottom: 28px;
}
.page-head h1 {
  font-size: clamp(40px, 6vw, 92px);
  max-width: 22ch;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
}
.page-head p.lede {
  margin-top: 28px;
  max-width: 60ch;
  font-size: 20px;
  font-weight: 400;
}
.page-head p.lede.tagline {
  font-weight: 300;
  font-size: clamp(20px, 2vw, 24px);
}

/* ============================================================
   Two-column prose
   ============================================================ */
.prose-grid {
  display: grid; gap: 56px;
  grid-template-columns: 1fr;
}
@media (min-width: 960px) { .prose-grid { grid-template-columns: 1fr 2fr; gap: 80px; } }
.prose-grid h4 { margin-top: 6px; font-size: 20px; font-family: var(--font-display); font-weight: 800; letter-spacing: -0.015em; color: var(--ink-0); text-transform: none; }
.prose-grid p { color: var(--ink-1); font-size: 20px; font-weight: 400; }
.prose-grid p + p { margin-top: 0; }

/* Feature-list typography variant */
.feature-list h4 { font-size: 22px; font-family: var(--font-display); font-weight: 800; letter-spacing: -0.015em; color: var(--ink-0); text-transform: none; }
.feature-list p  { font-size: 20px; font-weight: 400; color: var(--ink-2); }

/* ============================================================
   Tag chips
   ============================================================ */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags span {
  font-family: var(--font-mono); font-size: 20px; font-weight: 400;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  color: var(--ink-3);
  background: var(--surface);
}

/* ============================================================
   Sibling-nav (linked pages at bottom)
   ============================================================ */
.sibling-nav {
  display: grid; gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .sibling-nav { grid-template-columns: 1fr 1fr; }
}
.sibling-nav__cell {
  position: relative;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  padding: 28px;
  display: grid; gap: 8px;
  transition: background var(--t-fast) var(--ease), transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.sibling-nav__cell:hover {
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    var(--rai-grad) border-box;
  transform: translateY(-2px);
  box-shadow: var(--glow-sibling);
}
.sibling-nav__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.015em;
  color: var(--ink-0);
  margin: 0;
}
.sibling-nav__desc {
  font-size: 20px;
  font-weight: 300;
  color: var(--ink-2);
  margin: 0;
}

/* ============================================================
   Future-module placeholders (hidden until launched)
   ============================================================ */
[data-module="maps"],
[data-module="atlas"],
[data-module="power"],
[data-module="systems"] {
  display: none;
}

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity var(--t-slow) var(--ease-reveal), transform var(--t-slow) var(--ease-reveal); }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
  .canvas::after { animation: none; }
}

/* ============================================================
   Portal slider — homepage ecosystem gateway
   Premium dark, atmospheric per-slide tone, large typography,
   click-through anchor covering the whole slide.
   ============================================================ */
.portal-slider {
  position: relative;
  padding-block: clamp(28px, 4vw, 48px) clamp(24px, 3vw, 40px);
}
.portal-slider__viewport {
  position: relative;
  width: 100%;
  height: clamp(440px, 62vw, 640px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}
.portal-slider__track {
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  inset: 0;
}
.portal-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.015);
  transition:
    opacity 900ms var(--ease-reveal),
    transform 1200ms var(--ease-reveal),
    visibility 0s linear 900ms;
}
.portal-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition:
    opacity 900ms var(--ease-reveal),
    transform 1200ms var(--ease-reveal),
    visibility 0s linear 0s;
  z-index: 1;
}
.portal-slide__link {
  position: absolute;
  inset: 0;
  display: block;
  color: var(--ink-0);
  text-decoration: none;
  overflow: hidden;
}
.portal-slide__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #06070a;
  transition: transform 12s linear, filter var(--t-med) var(--ease);
  transform: scale(1.06);
}
.portal-slide.is-active .portal-slide__bg {
  transform: scale(1.0);
}
.portal-slide__bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse at 50% 40%, #000 35%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 35%, transparent 80%);
  opacity: 0.65;
}
.portal-slide__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6,7,10,0.10) 0%, rgba(6,7,10,0.55) 75%, rgba(6,7,10,0.85) 100%);
  pointer-events: none;
}

/* Atmospheric tones — each portal gets its own signal field */
.portal-slide__bg[data-tone="aurora"] {
  background-image:
    radial-gradient(58vmax 48vmax at 18% 22%, rgba(245, 180, 135, 0.28), transparent 60%),
    radial-gradient(54vmax 44vmax at 78% 78%, rgba(197, 146, 235, 0.22), transparent 60%),
    linear-gradient(180deg, #0a0910 0%, #06070a 60%, #07090e 100%);
}
.portal-slide__bg[data-tone="violet"] {
  background-image:
    radial-gradient(60vmax 50vmax at 78% 18%, rgba(197, 146, 235, 0.30), transparent 60%),
    radial-gradient(50vmax 40vmax at 12% 82%, rgba(138, 174, 232, 0.20), transparent 60%),
    linear-gradient(180deg, #0a0814 0%, #06070a 55%, #07080e 100%);
}
.portal-slide__bg[data-tone="cobalt"] {
  background-image:
    radial-gradient(60vmax 50vmax at 22% 26%, rgba(138, 174, 232, 0.28), transparent 60%),
    radial-gradient(48vmax 38vmax at 82% 74%, rgba(124, 196, 214, 0.22), transparent 60%),
    linear-gradient(180deg, #060a14 0%, #06070a 60%, #08090e 100%);
}
.portal-slide__bg[data-tone="ember"] {
  background-image:
    radial-gradient(58vmax 46vmax at 80% 30%, rgba(245, 180, 135, 0.26), transparent 60%),
    radial-gradient(48vmax 36vmax at 16% 78%, rgba(242, 151, 200, 0.18), transparent 60%),
    linear-gradient(180deg, #0a0808 0%, #06070a 60%, #08070a 100%);
}
.portal-slide__bg[data-tone="rose"] {
  background-image:
    radial-gradient(54vmax 44vmax at 28% 26%, rgba(242, 151, 200, 0.26), transparent 60%),
    radial-gradient(48vmax 38vmax at 80% 80%, rgba(197, 146, 235, 0.18), transparent 60%),
    linear-gradient(180deg, #0a070c 0%, #06070a 60%, #07080c 100%);
}
.portal-slide__bg[data-tone="midnight"] {
  background-image:
    radial-gradient(56vmax 46vmax at 18% 78%, rgba(138, 174, 232, 0.22), transparent 60%),
    radial-gradient(44vmax 36vmax at 82% 22%, rgba(197, 146, 235, 0.18), transparent 60%),
    linear-gradient(180deg, #050810 0%, #06070a 60%, #06070a 100%);
}
.portal-slide__bg[data-tone="teal"] {
  background-image:
    radial-gradient(58vmax 48vmax at 78% 26%, rgba(124, 196, 214, 0.28), transparent 60%),
    radial-gradient(48vmax 38vmax at 16% 78%, rgba(138, 174, 232, 0.20), transparent 60%),
    linear-gradient(180deg, #060c0e 0%, #06070a 60%, #07080c 100%);
}

.portal-slide__content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-block: clamp(40px, 5vw, 72px) clamp(64px, 7vw, 96px);
}
.portal-slide__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.portal-slide__eyebrow {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.portal-slide__eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--line-hot);
}
.portal-slide__index {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.portal-slide__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--ink-0);
  margin: clamp(28px, 4vw, 56px) 0 clamp(18px, 2vw, 28px);
  max-width: 22ch;
  text-transform: none;
}
.portal-slide__title em {
  font-style: normal;
  font-weight: 800;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
.portal-slide__sub {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 1.55vw, 22px);
  line-height: 1.45;
  color: var(--ink-1);
  max-width: 60ch;
  margin: 0;
}
.portal-slide__cue {
  margin-top: clamp(28px, 4vw, 44px);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-0);
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line-2);
  width: max-content;
  max-width: 100%;
  transition: border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.portal-slide__arrowGlyph {
  position: relative;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform var(--t-fast) var(--ease);
}
.portal-slide__arrowGlyph::after {
  content: "";
  position: absolute;
  right: -1px; top: -4px;
  width: 8px; height: 8px;
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}
.portal-slide__link:hover .portal-slide__cue,
.portal-slide__link:focus-visible .portal-slide__cue {
  border-color: var(--line-hot);
}
.portal-slide__link:hover .portal-slide__arrowGlyph,
.portal-slide__link:focus-visible .portal-slide__arrowGlyph {
  transform: translateX(6px);
}
.portal-slide__link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px rgba(220, 232, 250, 0.32);
}

/* Arrows */
.portal-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 4;
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: rgba(6, 7, 10, 0.55);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  color: var(--ink-0);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.portal-slider__arrow:hover,
.portal-slider__arrow:focus-visible {
  background: rgba(6, 7, 10, 0.78);
  border-color: var(--line-hot);
  box-shadow: var(--glow-primary);
  outline: none;
}
.portal-slider__arrow--prev { left: clamp(12px, 2vw, 28px); }
.portal-slider__arrow--next { right: clamp(12px, 2vw, 28px); }
.portal-slider__arrow span {
  display: block;
  width: 14px;
  height: 14px;
  border-right: 1.5px solid currentColor;
  border-top: 1.5px solid currentColor;
}
.portal-slider__arrow--prev span { transform: rotate(-135deg); margin-left: 4px; }
.portal-slider__arrow--next span { transform: rotate(45deg);    margin-right: 4px; }
.portal-slider__arrow:hover span { transform: translateX(2px) rotate(45deg); }
.portal-slider__arrow--prev:hover span { transform: translateX(-2px) rotate(-135deg); }

/* Rail / dots */
.portal-slider__rail {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: clamp(20px, 2.4vw, 28px) var(--gutter) 0;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.portal-slider__rail-label,
.portal-slider__rail-count {
  display: inline-block;
  min-width: 0;
}
.portal-slider__dots {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.portal-slider__dot {
  width: 32px;
  height: 2px;
  border-radius: 0;
  border: 0;
  background: var(--line-2);
  cursor: pointer;
  padding: 10px 0;
  position: relative;
  transition: background var(--t-fast) var(--ease);
}
.portal-slider__dot::before {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 2px;
  background: var(--line-2);
  transform: translateY(-50%);
  transition: background var(--t-fast) var(--ease);
}
.portal-slider__dot { background: transparent; }
.portal-slider__dot:hover::before,
.portal-slider__dot:focus-visible::before {
  background: var(--ink-2);
}
.portal-slider__dot.is-active::before {
  background: var(--rai-grad-text);
  height: 2px;
}
.portal-slider__dot:focus-visible { outline: none; }
.portal-slider__dot:focus-visible::after {
  content: "";
  position: absolute;
  inset: 4px -4px;
  border: 1px solid var(--line-hot);
  border-radius: var(--r-sm);
}

@media (max-width: 720px) {
  .portal-slider__viewport { height: clamp(520px, 110vw, 720px); }
  .portal-slider__arrow { width: 44px; height: 44px; }
  .portal-slider__arrow span { width: 10px; height: 10px; }
  .portal-slider__rail { justify-content: center; }
  .portal-slider__rail-label,
  .portal-slider__rail-count { display: none; }
  .portal-slide__title { max-width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .portal-slide,
  .portal-slide__bg { transition: opacity 0s linear, visibility 0s linear !important; transform: none !important; }
}

/* ============================================================
   Utility
   ============================================================ */
.flow > * + * { margin-top: 1em; }
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ============================================================
   INTELLIGENCE-DENSITY LAYER  (Phase 1)
   ------------------------------------------------------------
   Reusable institutional-cartography vocabulary that sits
   above the base DESIGN.md tokens. Composable, asymmetric,
   evidence-forward. Not SaaS, not cyberpunk, not generic AI.
   ============================================================ */

:root {
  /* Metallic gold (matches mask-icon #c9a86a) */
  --gold:            #c9a86a;
  --gold-1:          #d8be84;
  --gold-soft:       rgba(201, 168, 106, 0.18);
  --gold-rule:       rgba(201, 168, 106, 0.42);
  --gold-glow:       0 0 24px -2px rgba(201, 168, 106, 0.35);

  /* Signal hue family — variant accents for typed evidence */
  --signal-blue:     #8aaee8;
  --signal-violet:   #c592eb;
  --signal-rose:     #f297c8;
  --signal-teal:     #7cc4d6;
  --signal-warm:     var(--gold);

  /* Restricted-intelligence surfaces */
  --bg-restricted:   #07080d;
  --line-restricted: rgba(201, 168, 106, 0.20);
  --hatch-restricted: repeating-linear-gradient(
    135deg,
    rgba(201, 168, 106, 0.025) 0 1px,
    transparent 1px 9px
  );
  --scanline-soft: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.012) 0 1px,
    transparent 1px 3px
  );
}

/* ------------------------------------------------------------
   ICON UTILITY
   <svg class="icon"><use href="assets/svg/icons.svg#icon-cognition"/></svg>
   ------------------------------------------------------------ */
.icon {
  width: 1em;
  height: 1em;
  stroke: currentColor;
  stroke-width: 1.25;
  fill: none;
  vertical-align: -0.14em;
  flex-shrink: 0;
}
.icon--md   { width: 24px; height: 24px; }
.icon--lg   { width: 32px; height: 32px; }
.icon--xl   { width: 48px; height: 48px; }
.icon--gold { color: var(--gold); }
.icon--mute { color: var(--ink-3); }
.icon--inset {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.012);
  width: 56px;
  height: 56px;
  box-sizing: content-box;
}

/* ------------------------------------------------------------
   ASYMMETRIC LAYOUT HELPERS
   Intentional pacing breaks — the default grid feels uniform,
   these don't.
   ------------------------------------------------------------ */
.grid-asym {
  display: grid;
  gap: clamp(24px, 4vw, 56px);
}
@media (min-width: 880px) {
  .grid-asym--1-3 { grid-template-columns: minmax(180px, 1fr) minmax(0, 3fr); }
  .grid-asym--2-3 { grid-template-columns: minmax(220px, 2fr) minmax(0, 3fr); }
  .grid-asym--3-2 { grid-template-columns: minmax(0, 3fr) minmax(220px, 2fr); }
  .grid-asym--hero { grid-template-columns: 7fr 5fr; align-items: start; }
  .grid-asym--evidence { grid-template-columns: minmax(0, 1fr) minmax(260px, 320px); }
}

.section--tight { padding-block: clamp(40px, 5vw, 72px); }
.section--shock { padding-block: clamp(140px, 18vw, 240px); }
.section--restricted {
  background:
    var(--scanline-soft),
    var(--hatch-restricted),
    linear-gradient(180deg, rgba(7, 8, 13, 0.6), rgba(7, 8, 13, 0));
}

/* ------------------------------------------------------------
   FIELD SIGNAL
   ------------------------------------------------------------ */
.signal {
  --signal-accent: var(--gold);
  position: relative;
  display: grid;
  gap: 14px;
  padding: 26px 32px 26px 36px;
  border: 1px solid var(--line);
  border-left: 1px solid var(--signal-accent);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.022), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.008);
  max-width: 78ch;
}
.signal::before {
  content: "";
  position: absolute;
  inset: -1px auto -1px -1px;
  width: 3px;
  background: linear-gradient(180deg, var(--signal-accent), transparent 70%);
  opacity: 0.85;
}
.signal__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.signal__kind {
  color: var(--signal-accent);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.signal__kind::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal-accent) 14%, transparent);
  animation: signal-pulse 2.8s var(--ease) infinite;
}
@keyframes signal-pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal-accent) 14%, transparent); }
  50%       { box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal-accent) 4%, transparent); }
}
@media (prefers-reduced-motion: reduce) {
  .signal__kind::before { animation: none; }
}
.signal__id { color: var(--ink-3); }
.signal__source { color: var(--ink-3); margin-left: auto; }
.signal__body {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.5vw, 22px);
  line-height: 1.42;
  color: var(--ink-0);
  letter-spacing: -0.005em;
  margin: 0;
  max-width: 64ch;
}
.signal__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.signal__foot strong { color: var(--ink-2); font-weight: 400; }

/* Signal variants — typed evidence */
.signal--field       { --signal-accent: var(--gold); }
.signal--deployment  { --signal-accent: var(--signal-violet); }
.signal--operator    { --signal-accent: var(--signal-blue); }
.signal--ecosystem   { --signal-accent: var(--signal-teal); }
.signal--infra       { --signal-accent: #a3b3c9; }
.signal--geopolitical { --signal-accent: var(--signal-rose); }
.signal--observed    { --signal-accent: #d8be84; }

/* ------------------------------------------------------------
   STRATEGIC CLAIM
   Large display-type interrupt. Used sparingly.
   ------------------------------------------------------------ */
.claim {
  position: relative;
  display: grid;
  gap: 22px;
  padding: clamp(40px, 6vw, 72px) 0;
  margin: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.claim::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--gold-rule), transparent);
  opacity: 0.5;
}
.claim__index {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}
.claim__quote {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink-0);
  margin: 0;
  max-width: 22ch;
}
.claim__quote em {
  font-style: normal;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
}
.claim__support {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  max-width: 42ch;
}
.claim--md .claim__quote { font-size: clamp(24px, 3vw, 36px); max-width: 32ch; }
.claim--inline {
  padding: 18px 0;
  border-block: 0;
  display: inline-grid;
}
.claim--inline .claim__quote { font-size: clamp(22px, 2.4vw, 30px); }

/* Strategic claim — stacked manifesto list */
.claims-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: claim;
}
.claims-list > li {
  counter-increment: claim;
  display: grid;
  grid-template-columns: 56px 1fr;
  align-items: baseline;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line);
}
.claims-list > li::before {
  content: "C." counter(claim, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.claims-list > li > p {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--ink-0);
  margin: 0;
  max-width: 30ch;
}

/* ------------------------------------------------------------
   INTELLIGENCE SIDEBAR
   Lateral evidence rail — sits next to main body.
   ------------------------------------------------------------ */
.intel-aside {
  position: relative;
  padding: 6px 0 6px 24px;
  border-left: 1px solid var(--line-2);
}
.intel-aside__head {
  margin-bottom: 18px;
}
.intel-aside__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.intel-aside__item {
  display: grid;
  gap: 6px;
}
.intel-aside__tag {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
}
.intel-aside__body {
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-2);
  margin: 0;
  max-width: 38ch;
}
.intel-aside__cite {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ------------------------------------------------------------
   META STRIP
   Library / map metadata bar (updated · regions · signals).
   ------------------------------------------------------------ */
.meta-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, 0.012);
}
.meta-strip__cell {
  display: grid;
  gap: 6px;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}
.meta-strip__cell:last-child { border-right: 0; }
.meta-strip__label {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.meta-strip__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 28px);
  letter-spacing: -0.02em;
  color: var(--ink-0);
  line-height: 1;
}
.meta-strip__delta {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
@media (max-width: 720px) {
  .meta-strip { grid-auto-flow: row; grid-auto-columns: auto; }
  .meta-strip__cell { border-right: 0; border-bottom: 1px solid var(--line); }
  .meta-strip__cell:last-child { border-bottom: 0; }
}

/* ------------------------------------------------------------
   TIMELINE STRIP
   Horizontal timeline with mono-cap dates and brief annotations.
   ------------------------------------------------------------ */
.timeline-strip {
  position: relative;
  padding: 28px 0 18px;
}
.timeline-strip__rule {
  position: absolute;
  inset: 50% 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-rule), transparent);
  transform: translateY(-50%);
}
.timeline-strip__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 8px;
  position: relative;
}
.timeline-strip__node {
  display: grid;
  gap: 8px;
  justify-items: start;
  text-align: left;
  position: relative;
  padding-top: 22px;
}
.timeline-strip__node::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 14px;
  background: var(--gold-rule);
}
.timeline-strip__node::after {
  content: "";
  position: absolute;
  top: 11px;
  left: -3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--gold);
}
.timeline-strip__date {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--gold);
}
.timeline-strip__label {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-1);
  max-width: 22ch;
}
@media (max-width: 720px) {
  .timeline-strip__nodes { grid-auto-flow: row; grid-auto-columns: auto; }
  .timeline-strip__node { padding-top: 0; padding-left: 22px; }
  .timeline-strip__node::before { top: 0; left: 0; height: 100%; width: 1px; }
  .timeline-strip__node::after { top: 6px; left: -3px; }
  .timeline-strip__rule { display: none; }
}

/* ------------------------------------------------------------
   DIAGRAM FRAME
   Shared container for inline SVG diagrams.
   ------------------------------------------------------------ */
.diagram {
  position: relative;
  margin: 0;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.020), rgba(255, 255, 255, 0)),
    rgba(255, 255, 255, 0.006);
  overflow: hidden;
}
.diagram::before,
.diagram::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--gold-rule);
  border-style: solid;
  pointer-events: none;
}
.diagram::before { top: 8px; left: 8px; border-width: 1px 0 0 1px; }
.diagram::after  { bottom: 8px; right: 8px; border-width: 0 1px 1px 0; }
.diagram__caption {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
}
.diagram__caption strong { color: var(--gold); font-weight: 500; }
.diagram__legend {
  margin: 18px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.diagram__legend span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.diagram__legend span::before {
  content: "";
  width: 10px;
  height: 1px;
  background: currentColor;
}
.diagram__legend .lg-gold::before    { background: var(--gold); }
.diagram__legend .lg-violet::before  { background: var(--signal-violet); }
.diagram__legend .lg-blue::before    { background: var(--signal-blue); }
.diagram__legend .lg-teal::before    { background: var(--signal-teal); }

/* DIAGRAM — Layered stack (Physical AI stack, doctrine stack, etc.) */
.stack-layers {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.stack-layer {
  position: relative;
  display: grid;
  grid-template-columns: 64px 1fr auto;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.028), rgba(255, 255, 255, 0));
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.stack-layer:hover {
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.06), rgba(255, 255, 255, 0));
  border-color: var(--line-2);
}
.stack-layer__id {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.stack-layer__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 1.8vw, 22px);
  letter-spacing: -0.018em;
  color: var(--ink-0);
  margin: 0;
  line-height: 1.1;
}
.stack-layer__name + p {
  margin: 4px 0 0;
  font-size: 20px;
  color: var(--ink-2);
  font-weight: 400;
  max-width: 56ch;
}
.stack-layer__meta {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
}
@media (max-width: 720px) {
  .stack-layer { grid-template-columns: 1fr; gap: 8px; }
  .stack-layer__meta { text-align: left; }
}

/* DIAGRAM — Node network (inline SVG container) */
.node-net {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
}
.node-net__link {
  stroke: var(--line-2);
  stroke-width: 1;
  fill: none;
  transition: stroke var(--t-fast) var(--ease);
}
.node-net__link--hot { stroke: var(--gold-rule); }
.node-net__link--cool { stroke: rgba(138, 174, 232, 0.42); }
.node-net__node {
  fill: var(--bg);
  stroke: var(--ink-2);
  stroke-width: 1;
}
.node-net__node--anchor {
  stroke: var(--gold);
  stroke-width: 1.25;
  fill: var(--bg-1);
}
.node-net__node--accent {
  stroke: var(--signal-violet);
  stroke-width: 1.25;
}
.node-net__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  fill: var(--ink-3);
}
.node-net__label--anchor { fill: var(--ink-0); }

/* DIAGRAM — Strategic corridor (geopolitical route) */
.corridor {
  display: block;
  width: 100%;
  height: auto;
}
.corridor__route {
  fill: none;
  stroke: var(--gold-rule);
  stroke-width: 1.25;
}
.corridor__route--secondary { stroke: rgba(138, 174, 232, 0.32); stroke-dasharray: 2 4; }
.corridor__stop {
  fill: var(--bg);
  stroke: var(--gold);
  stroke-width: 1.25;
}
.corridor__stop--minor { stroke: var(--ink-3); }
.corridor__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  fill: var(--ink-2);
}
.corridor__sublabel {
  font-family: var(--font-mono);
  font-size: 8.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  fill: var(--ink-3);
}
.corridor__graticule {
  stroke: var(--line);
  stroke-width: 1;
  fill: none;
}

/* DIAGRAM — Ecosystem topology (radial cluster) */
.topology {
  display: block;
  width: 100%;
  height: auto;
}
.topology__ring {
  fill: none;
  stroke: var(--line-2);
  stroke-width: 1;
  stroke-dasharray: 2 5;
}
.topology__spoke { stroke: var(--line-2); stroke-width: 1; }
.topology__hub {
  fill: var(--bg-1);
  stroke: var(--gold);
  stroke-width: 1.25;
}
.topology__cluster {
  fill: var(--bg);
  stroke: var(--ink-2);
  stroke-width: 1;
}
.topology__cluster--accent { stroke: var(--signal-violet); }
.topology__cluster--cool   { stroke: var(--signal-blue); }
.topology__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  fill: var(--ink-2);
}

/* EUROPE MAP — feature__panel cartographic insert */
.feature__panel--europe { aspect-ratio: 4 / 5; }
.europe-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: block;
}
.europe-map__land {
  fill: rgba(201, 168, 106, 0.04);
  stroke: rgba(201, 168, 106, 0.35);
  stroke-width: 1;
  stroke-linejoin: round;
}
.europe-map__lat {
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 1;
  stroke-dasharray: 2 6;
}
.europe-map__corridor {
  stroke: var(--line-2);
  stroke-width: 1;
  stroke-dasharray: 3 3;
  opacity: 0.7;
}
.europe-map__anchor-halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0.35;
}
.europe-map__anchor {
  fill: var(--gold);
  stroke: var(--gold);
  stroke-width: 1.5;
}
.europe-map__city {
  fill: var(--bg);
  stroke: var(--ink-2);
  stroke-width: 1;
}
.europe-map__city--primary { stroke: var(--signal-violet); }
.europe-map__city--adj     { stroke: var(--signal-blue); }
.europe-map__label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  fill: var(--ink-2);
}
.europe-map__label--anchor { fill: var(--gold); letter-spacing: 0.28em; }
.europe-map__label--sm     { font-size: 8.5px; letter-spacing: 0.18em; }
.europe-map__coord {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  fill: var(--ink-3);
}

/* DIAGRAM — Deployment architecture (vertical / stage flow) */
.deploy-arch {
  display: grid;
  gap: 0;
}
.deploy-arch__stage {
  position: relative;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  padding: 20px 0;
}
.deploy-arch__stage + .deploy-arch__stage { border-top: 1px solid var(--line); }
.deploy-arch__stage::before {
  content: "";
  position: absolute;
  left: 35px;
  top: 100%;
  width: 1px;
  height: 14px;
  background: var(--gold-rule);
}
.deploy-arch__stage:last-child::before { display: none; }
.deploy-arch__index {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 4px;
}
.deploy-arch__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.015em;
  color: var(--ink-0);
  margin: 0 0 6px;
}
.deploy-arch__desc {
  font-size: 20px;
  color: var(--ink-2);
  margin: 0;
  max-width: 56ch;
}
.deploy-arch__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ------------------------------------------------------------
   RESTRICTED INTELLIGENCE SURFACE
   Confidential / restricted-access treatment.
   Subtle, institutional — NOT cyberpunk, NOT alarm-state.
   ------------------------------------------------------------ */
.restricted {
  position: relative;
  padding: clamp(24px, 4vw, 36px);
  border: 1px solid var(--line-restricted);
  border-radius: var(--r-md);
  background:
    var(--scanline-soft),
    var(--hatch-restricted),
    linear-gradient(180deg, rgba(201, 168, 106, 0.025), rgba(255, 255, 255, 0)),
    rgba(7, 8, 13, 0.6);
  overflow: hidden;
}
.restricted::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold-rule);
  border-right-color: transparent;
  border-bottom-color: transparent;
  pointer-events: none;
}
.restricted::after {
  content: "";
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold-rule);
  border-left-color: transparent;
  border-top-color: transparent;
  pointer-events: none;
}
.restricted__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line-restricted);
}
.restricted__seal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--gold-rule);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201, 168, 106, 0.04);
}
.restricted__seal::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.12);
}
.restricted__clearance {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.restricted__clearance strong { color: var(--ink-1); font-weight: 400; }
.restricted__body p { color: var(--ink-2); max-width: 64ch; }

/* ------------------------------------------------------------
   DENSITY / EVIDENCE CLUSTERS
   For tight grids of small evidence cells.
   ------------------------------------------------------------ */
.density-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
@media (min-width: 720px)  { .density-grid--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 720px)  { .density-grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .density-grid--4 { grid-template-columns: repeat(4, 1fr); } }
.density-cell {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  background: var(--bg);
  min-height: 120px;
  align-content: start;
}
.density-cell__id {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.density-cell__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2vw, 28px);
  letter-spacing: -0.02em;
  color: var(--ink-0);
  line-height: 1;
}
.density-cell__label {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.density-cell__note {
  font-size: 20px;
  color: var(--ink-2);
  max-width: 44ch;
  margin: 0;
}

/* ------------------------------------------------------------
   ICON-LABEL  (icon + thin caps label, used in legends / hero strips)
   ------------------------------------------------------------ */
.icon-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: rgba(255, 255, 255, 0.012);
}
.icon-label .icon { width: 14px; height: 14px; color: var(--gold); }

/* ------------------------------------------------------------
   SECTION RHYTHM BREAK
   Use sparingly between cards-heavy stretches.
   ------------------------------------------------------------ */
.shock-rule {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: clamp(48px, 7vw, 96px) 0;
}
.shock-rule::before,
.shock-rule::after {
  content: "";
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-rule), transparent);
}
.shock-rule__mark {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}

/* ------------------------------------------------------------
   DOCTRINE NOTE  (Cartography Office — subtle originator voice)
   Distinct from the larger .doctrine closing-thesis block.
   Letter-from-the-cartographer feel. No personal branding.
   ------------------------------------------------------------ */
.doctrine-note {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--gold-rule);
  border-bottom: 1px solid var(--gold-rule);
  max-width: 880px;
}
@media (min-width: 880px) {
  .doctrine-note { grid-template-columns: minmax(180px, 1fr) minmax(0, 2.4fr); gap: clamp(28px, 4vw, 56px); }
}
.doctrine-note__stamp {
  display: grid;
  gap: 12px;
  align-content: start;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.doctrine-note__office {
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.doctrine-note__office::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--gold);
}
.doctrine-note__id { color: var(--ink-3); }
.doctrine-note__body {
  display: grid;
  gap: 16px;
}
.doctrine-note__body p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--ink-1);
  letter-spacing: -0.005em;
  margin: 0;
  max-width: 56ch;
}
.doctrine-note__body p strong {
  color: var(--ink-0);
  font-weight: 400;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.doctrine-note__sig {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.doctrine-note__hand {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: -0.005em;
  color: var(--ink-0);
}
.doctrine-note__role {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.doctrine-note__role strong { color: var(--gold); font-weight: 400; }

/* ------------------------------------------------------------
   SERVICE INTELLIGENCE SURFACE
   Template wrapper for service pages.
   Zones: position · audience · access · signals · outcomes · close.
   ------------------------------------------------------------ */
.service-surface {
  display: grid;
  gap: clamp(48px, 6vw, 96px);
}
.service-surface__zone {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}
@media (min-width: 880px) {
  .service-surface__zone--split { grid-template-columns: minmax(220px, 1fr) minmax(0, 3fr); gap: clamp(28px, 4vw, 56px); }
  .service-surface__zone--evidence { grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); gap: clamp(28px, 4vw, 56px); }
}
.service-surface__head {
  display: grid;
  gap: 6px;
}
.service-surface__head h2 {
  margin: 6px 0 0;
}
.service-surface__lede {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.7vw, 24px);
  line-height: 1.42;
  color: var(--ink-0);
  max-width: 58ch;
  margin: 0;
}

/* Institutional list — mono-cap tag + body row, no bullets */
.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.service-list > li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}
.service-list__id {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 4px;
}
.service-list__body p {
  margin: 0;
  font-size: 20px;
  line-height: 1.5;
  color: var(--ink-1);
  max-width: 60ch;
}
.service-list__body p + p { margin-top: 8px; }
.service-list__body strong { color: var(--ink-0); font-weight: 400; }

/* ------------------------------------------------------------
   INQUIRY STATUS GRID
   For Research Programme — active inquiries shown as an instrument panel.
   ------------------------------------------------------------ */
.inquiry-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
@media (min-width: 720px) { .inquiry-grid { grid-template-columns: repeat(2, 1fr); } }
.inquiry-cell {
  display: grid;
  gap: 14px;
  padding: 22px 24px;
  background: var(--bg);
  align-content: start;
  min-height: 200px;
  position: relative;
}
.inquiry-cell__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.inquiry-cell__id { color: var(--gold); }
.inquiry-cell__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.inquiry-cell__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}
.inquiry-cell--active   .inquiry-cell__status::before { background: var(--gold); box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.14); }
.inquiry-cell--watching .inquiry-cell__status::before { background: var(--signal-blue); }
.inquiry-cell--draft    .inquiry-cell__status::before { background: var(--ink-3); }
.inquiry-cell--archived .inquiry-cell__status::before { background: var(--ink-5); }
.inquiry-cell__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 1.8vw, 22px);
  letter-spacing: -0.018em;
  color: var(--ink-0);
  margin: 0;
  line-height: 1.15;
}
.inquiry-cell__desc {
  margin: 0;
  font-size: 20px;
  color: var(--ink-2);
  max-width: 48ch;
}
.inquiry-cell__meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.inquiry-cell__meta strong { color: var(--ink-2); font-weight: 400; }

/* ------------------------------------------------------------
   LIBRARY VAULT
   Map-card metadata strips + per-instrument visual differentiation.
   Additive — does not touch existing .map-card portal.css rules.
   ------------------------------------------------------------ */
.map-card__meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  background: var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.map-card__meta-cell {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(6, 7, 10, 0.6);
}
.map-card__meta-label {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.map-card__meta-value {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-1);
}

/* Per-instrument accent variants — applied via .map-card--mega etc. */
.map-card--mega        { --map-accent: var(--signal-violet); }   /* cognition density */
.map-card--power       { --map-accent: var(--signal-rose); }     /* sovereignty / geopolitical */
.map-card--battlefield { --map-accent: #a3b3c9; }                 /* operational / strategic conflict */
.map-card--atlas       { --map-accent: var(--signal-teal); }     /* layered scientific system */
.map-card--constellation { --map-accent: var(--gold); }           /* open public field */
.map-card--mega .map-card__id,
.map-card--power .map-card__id,
.map-card--battlefield .map-card__id,
.map-card--atlas .map-card__id,
.map-card--constellation .map-card__id {
  color: var(--map-accent);
}
.map-card[class*="map-card--"] {
  position: relative;
}
.map-card[class*="map-card--"]::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: linear-gradient(180deg, var(--map-accent), transparent 80%);
  opacity: 0.5;
  pointer-events: none;
  z-index: 1;
}

/* Vault doctrine intro */
.vault-doctrine {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(28px, 4vw, 40px);
  border: 1px solid var(--line-restricted);
  border-radius: var(--r-md);
  background:
    var(--scanline-soft),
    var(--hatch-restricted),
    linear-gradient(180deg, rgba(201, 168, 106, 0.025), rgba(255, 255, 255, 0)),
    rgba(7, 8, 13, 0.6);
  overflow: hidden;
}
.vault-doctrine::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold-rule);
  border-right-color: transparent;
  border-bottom-color: transparent;
  pointer-events: none;
}
.vault-doctrine::after {
  content: "";
  position: absolute;
  bottom: 10px;
  right: 10px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--gold-rule);
  border-left-color: transparent;
  border-top-color: transparent;
  pointer-events: none;
}
@media (min-width: 880px) {
  .vault-doctrine { grid-template-columns: minmax(220px, 1fr) minmax(0, 2.4fr); gap: clamp(32px, 4vw, 56px); }
}
.vault-doctrine__stamp {
  display: grid;
  gap: 14px;
  align-content: start;
}
.vault-doctrine__seal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px;
  border: 1px solid var(--gold-rule);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(201, 168, 106, 0.04);
  align-self: start;
  justify-self: start;
}
.vault-doctrine__seal::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.12);
}
.vault-doctrine__meta {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: grid;
  gap: 6px;
}
.vault-doctrine__meta strong { color: var(--ink-2); font-weight: 400; }
.vault-doctrine__body p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.6vw, 22px);
  line-height: 1.45;
  color: var(--ink-1);
  margin: 0;
  max-width: 60ch;
}
.vault-doctrine__body p + p { margin-top: 12px; }
.vault-doctrine__body p strong {
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 400;
}

/* ------------------------------------------------------------
   REALITY LAYER  (Anti-hype doctrine)
   Two-column rejected/engineered compare. Used as a high-impact
   interrupt — sparingly. Reinforces "RAI Brain is the reality
   layer of Physical AI."
   ------------------------------------------------------------ */
.reality-layer {
  position: relative;
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  padding: clamp(36px, 5vw, 56px) clamp(28px, 4vw, 44px);
  border: 1px solid var(--gold-rule);
  border-radius: var(--r-md);
  background:
    var(--scanline-soft),
    linear-gradient(180deg, rgba(201, 168, 106, 0.04), rgba(255, 255, 255, 0) 60%),
    rgba(7, 8, 13, 0.7);
  overflow: hidden;
}
.reality-layer::before,
.reality-layer::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: var(--gold);
  border-style: solid;
  pointer-events: none;
}
.reality-layer::before { top: 10px; left: 10px; border-width: 1px 0 0 1px; }
.reality-layer::after  { bottom: 10px; right: 10px; border-width: 0 1px 1px 0; }
.reality-layer__head { display: grid; gap: 14px; }
.reality-layer__head h2 {
  font-size: clamp(28px, 3.8vw, 48px);
  line-height: 1.02;
  letter-spacing: -0.028em;
  margin: 0;
  max-width: 28ch;
}
.reality-layer__compare {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  position: relative;
}
@media (min-width: 820px) {
  .reality-layer__compare {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .reality-layer__compare::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    transform: translateX(-50%);
    background: linear-gradient(180deg, transparent, var(--gold-rule), transparent);
    pointer-events: none;
  }
}
.reality-layer__col {
  display: grid;
  gap: 14px;
}
.reality-layer__col-label {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.reality-layer__col--rejected .reality-layer__col-label { color: var(--ink-3); }
.reality-layer__col--engineered .reality-layer__col-label { color: var(--gold); }
.reality-layer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.reality-layer__list li {
  position: relative;
  padding: 12px 0 12px 28px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink-2);
}
.reality-layer__list li:last-child { border-bottom: 0; }
.reality-layer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 1px;
  background: currentColor;
}
.reality-layer__col--rejected .reality-layer__list li {
  color: var(--ink-3);
  text-decoration: line-through;
  text-decoration-color: rgba(255, 255, 255, 0.18);
  text-decoration-thickness: 1px;
}
.reality-layer__col--rejected .reality-layer__list li::before {
  background: var(--ink-3);
}
.reality-layer__col--engineered .reality-layer__list li {
  color: var(--ink-1);
}
.reality-layer__col--engineered .reality-layer__list li::before {
  background: var(--gold);
  width: 14px;
}
.reality-layer__col--engineered .reality-layer__list li::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 2px rgba(201, 168, 106, 0.14);
}
.reality-layer__close {
  position: relative;
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--gold-rule);
  display: grid;
  gap: 14px;
}
.reality-layer__claim {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4.4vw, 56px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--ink-0);
  margin: 0;
  max-width: 22ch;
}
.reality-layer__claim em {
  font-style: normal;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.reality-layer__support {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-3);
  max-width: 56ch;
}
.reality-layer__support strong { color: var(--gold); font-weight: 400; }

/* ------------------------------------------------------------
   STRATEGIC CONSEQUENCE
   "Without this surface, your institution is operating blind."
   Severe, high-status. Drives desire by naming the cost of not
   having access. Used sparingly on commercially-critical pages.
   ------------------------------------------------------------ */
.consequence {
  position: relative;
  display: grid;
  gap: clamp(24px, 3vw, 36px);
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid var(--gold);
  border-radius: var(--r-md);
  background:
    linear-gradient(180deg, rgba(201, 168, 106, 0.08), rgba(7, 8, 13, 0.78) 70%),
    rgba(7, 8, 13, 0.85);
  overflow: hidden;
  box-shadow: var(--gold-glow);
}
.consequence::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--gold);
  opacity: 0.7;
}
.consequence::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 24px;
  height: 24px;
  border: 1px solid var(--gold);
  border-left: 0;
  border-bottom: 0;
}
.consequence__eyebrow {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.consequence__eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.18);
}
.consequence__head h2,
.consequence__head .consequence-h {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 14px 0 0;
  max-width: 28ch;
  color: var(--ink-0);
}
.consequence__head em {
  font-style: normal;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.consequence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--gold-rule);
}
.consequence__list li {
  position: relative;
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink-1);
  letter-spacing: -0.005em;
}
.consequence__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 28px;
  height: 1px;
  background: var(--gold);
}
.consequence__list li::after {
  content: "";
  position: absolute;
  left: 24px;
  top: 21px;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--gold);
  border-top: 1px solid var(--gold);
  transform: rotate(45deg);
}
.consequence__close {
  display: grid;
  gap: 12px;
  padding-top: clamp(18px, 2vw, 28px);
  border-top: 1px solid var(--gold-rule);
}
.consequence__close p {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 1.8vw, 24px);
  line-height: 1.35;
  color: var(--ink-0);
  margin: 0;
  max-width: 56ch;
  letter-spacing: -0.005em;
}
.consequence__close p strong {
  font-weight: 400;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}
.consequence__cite {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-3);
}

/* ------------------------------------------------------------
   ASYMMETRY CALLOUT
   Tight inline interrupt. "Without this map, your institution
   is strategically blind." Used as a single-line punch.
   ------------------------------------------------------------ */
.asymmetry {
  position: relative;
  display: grid;
  gap: 10px;
  padding: clamp(24px, 3vw, 32px) clamp(28px, 3.5vw, 40px);
  border-left: 2px solid var(--gold);
  background: linear-gradient(90deg, rgba(201, 168, 106, 0.06), transparent 70%);
  max-width: 72ch;
}
.asymmetry__tag {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}
.asymmetry__line {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.018em;
  color: var(--ink-0);
  margin: 0;
  max-width: 36ch;
}
.asymmetry__line em {
  font-style: normal;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ------------------------------------------------------------
   PRODUCT CARD (3-up sales grid)
   Featured commerce surface. Image top, body middle, price + CTA foot.
   ------------------------------------------------------------ */
.product-grid {
  display: grid;
  gap: clamp(16px, 2vw, 24px);
}
@media (min-width: 720px)  { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  border: 1.5px solid transparent;
  border-radius: var(--r-md);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.028), rgba(255,255,255,0)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease), background var(--t-fast) var(--ease);
}
.product-card:hover {
  transform: translateY(-2px);
  background:
    linear-gradient(#000, #000) padding-box,
    var(--rai-grad) border-box;
  box-shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.65);
}
.product-card__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}
.product-card__visual img,
.product-card__visual iframe,
.product-card__visual svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border: 0;
}
.product-card__visual--book img { object-fit: cover; object-position: center 32%; background: var(--bg-1); padding: 0; }
.product-card__visual--book {
  background:
    radial-gradient(ellipse at 30% 30%, rgba(201, 168, 106, 0.12), transparent 60%),
    linear-gradient(180deg, #0d1014, #07080a);
}
.product-card__tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--gold-rule);
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(7, 8, 13, 0.7);
  backdrop-filter: blur(8px);
}
.product-card__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(201, 168, 106, 0.18);
}
.product-card__body {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 22px 24px 0;
  flex: 1;
}
/* info-only cards (no footer row) need bottom breathing room so text isn't glued to the edge */
.product-card--guide .product-card__body { padding-bottom: 26px; }
.product-card__id {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.product-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  color: var(--ink-0);
  margin: 0;
}
.product-card__desc {
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink-2);
  margin: 0;
  max-width: 40ch;
}
.product-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 24px 22px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
}
.product-card__price {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.product-card__price strong {
  color: var(--gold);
  font-weight: 400;
  font-size: 20px;
  letter-spacing: 0.18em;
}
.product-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--ink-0);
  font-weight: 400;
}
.product-card__cta::after {
  content: "→";
  font-family: var(--font-mono);
  transition: transform var(--t-fast) var(--ease);
}
.product-card:hover .product-card__cta::after { transform: translateX(4px); }

/* ------------------------------------------------------------
   SUBSCRIBE / EVOLUTION SIGNAL  (home, under the 3 product cards)
   Big, centred call to follow RAI Brain — webinars + brain-test request.
   ------------------------------------------------------------ */
.subscribe {
  position: relative;
  background: #000;
  border-top: 1px solid var(--line);
  padding-block: clamp(72px, 12vw, 168px);
  overflow: hidden;
}
.subscribe::before {                 /* soft aurora bloom from the top */
  content: "";
  position: absolute;
  left: 50%; top: -30%;
  width: min(1100px, 120%); height: 90%;
  transform: translateX(-50%);
  background: radial-gradient(50% 60% at 50% 0%,
    rgba(197, 146, 235, 0.18), rgba(124, 196, 214, 0.07) 48%, transparent 72%);
  pointer-events: none;
}
.subscribe__inner {
  position: relative;
  max-width: 1080px;
  margin-inline: auto;
  text-align: center;
}
.subscribe__title {
  margin-top: 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 5.6vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  color: var(--ink-0);
}
.subscribe__lede {
  max-width: 56ch;
  margin: 22px auto 0;
  font-size: 20px;
  font-weight: 300;
  line-height: 1.6;
  color: var(--ink-2);
}
.subscribe__form {
  margin-top: clamp(28px, 4vw, 48px);
  gap: 20px;
}
.subscribe__interests {
  border: 0; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.subscribe__chip { position: relative; cursor: pointer; }
.subscribe__chip input {
  position: absolute; inset: 0; opacity: 0; cursor: pointer; margin: 0;
}
.subscribe__chip span {
  display: inline-flex; align-items: center;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: 20px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2);
  border-radius: 999px;
  border: 1.5px solid transparent;
  background:
    linear-gradient(var(--bg-2), var(--bg-2)) padding-box,
    linear-gradient(var(--line-2), var(--line-2)) border-box;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.subscribe__chip:hover span { color: var(--ink-0); }
.subscribe__chip input:checked + span {
  color: #fff;
  background:
    linear-gradient(#000, #000) padding-box,
    var(--rai-grad) border-box;
  box-shadow: 0 0 26px -8px rgba(197, 146, 235, 0.55);
}
.subscribe__chip input:focus-visible + span {
  box-shadow: 0 0 0 2px rgba(220, 232, 250, 0.30);
}
.subscribe__row {
  display: flex; gap: 12px; align-items: stretch;
  max-width: 620px; margin: 0 auto; width: 100%;
}
.subscribe__row .subscribe__name  { flex: 0 1 30%; }
.subscribe__row .subscribe__email { flex: 1 1 auto; }
.subscribe__btn { flex: 0 0 auto; white-space: nowrap; }
.subscribe__consent {
  justify-content: flex-start;
  align-items: flex-start;
  max-width: 56ch; margin: 4px auto 0;
  text-align: left;
}
/* serious application form inside the epic subscribe band — left-aligned, constrained */
.subscribe__apply {
  text-align: left;
  max-width: 960px;
  margin-inline: auto;
  gap: 20px;
}
/* field labels in the application form always read left-aligned, never centred */
.subscribe__apply .form__row,
.subscribe__apply label { text-align: left; }
@media (max-width: 640px) {
  .subscribe__row { flex-direction: column; }
  .subscribe__btn { width: 100%; justify-content: center; }
}

/* ------------------------------------------------------------
   PROCESS TIMELINE
   Horizontal 5-step engagement flow with animated gold particle.
   Used on Home for "How we work".
   ------------------------------------------------------------ */
.process-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: clamp(8px, 1.5vw, 18px);
  isolation: isolate;
}
/* Base line connecting the steps */
.process-timeline::before {
  content: "";
  position: absolute;
  top: 28px;
  left: 28px;
  right: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-rule) 6%, var(--gold-rule) 94%, transparent);
  z-index: 0;
  pointer-events: none;
}
/* Animated gold particle travelling along the timeline */
.process-timeline::after {
  content: "";
  position: absolute;
  top: 24px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow:
    0 0 12px rgba(201, 168, 106, 0.85),
    0 0 28px rgba(201, 168, 106, 0.35);
  z-index: 0;
  pointer-events: none;
  animation: process-flow 7s cubic-bezier(.6, 0, .4, 1) infinite;
}
@keyframes process-flow {
  0%   { left: 4%;  opacity: 0; transform: scale(0.5); }
  8%   { opacity: 1; transform: scale(1); }
  92%  { opacity: 1; transform: scale(1); }
  100% { left: 96%; opacity: 0; transform: scale(0.5); }
}

.process-step {
  position: relative;
  display: grid;
  gap: 14px;
  justify-items: start;
  text-align: left;
  z-index: 1;
}
.process-step__node {
  position: relative;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--bg);
  display: grid;
  place-items: center;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-med) var(--ease), background var(--t-fast) var(--ease);
}
.process-step__node::before {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--gold-rule);
  opacity: 0;
  animation: process-pulse 4s var(--ease) infinite;
}
.process-step:nth-child(1) .process-step__node::before { animation-delay: 0s; }
.process-step:nth-child(2) .process-step__node::before { animation-delay: 0.6s; }
.process-step:nth-child(3) .process-step__node::before { animation-delay: 1.2s; }
.process-step:nth-child(4) .process-step__node::before { animation-delay: 1.8s; }
.process-step:nth-child(5) .process-step__node::before { animation-delay: 2.4s; }
@keyframes process-pulse {
  0%, 100% { opacity: 0; transform: scale(0.9); }
  50%      { opacity: 0.6; transform: scale(1.05); }
}
.process-step__node:hover {
  border-color: var(--gold);
  background: rgba(201, 168, 106, 0.06);
  box-shadow: 0 0 0 6px rgba(201, 168, 106, 0.08);
}
.process-step__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.process-step__label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--ink-0);
  margin: 0;
  max-width: 18ch;
}
.process-step__desc {
  font-size: 20px;
  line-height: 1.4;
  color: var(--ink-2);
  margin: 0;
  max-width: 22ch;
}

/* Mobile / narrow viewport — stack vertically */
@media (max-width: 880px) {
  .process-timeline {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 0;
  }
  .process-timeline::before {
    top: 28px;
    left: 28px;
    right: auto;
    bottom: 28px;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, transparent, var(--gold-rule) 6%, var(--gold-rule) 94%, transparent);
  }
  .process-timeline::after {
    top: 0;
    left: 24px;
    width: 9px;
    height: 9px;
    animation: process-flow-vert 7s cubic-bezier(.6, 0, .4, 1) infinite;
  }
  @keyframes process-flow-vert {
    0%   { top: 4%;  opacity: 0; transform: scale(0.5); }
    8%   { opacity: 1; transform: scale(1); }
    92%  { opacity: 1; transform: scale(1); }
    100% { top: 96%; opacity: 0; transform: scale(0.5); }
  }
  .process-step {
    grid-template-columns: 56px 1fr;
    grid-template-rows: auto auto;
    column-gap: 22px;
    padding-bottom: 28px;
  }
  .process-step__node { grid-row: span 2; grid-column: 1; }
  .process-step__label { grid-column: 2; align-self: end; }
  .process-step__desc  { grid-column: 2; align-self: start; max-width: 38ch; }
  .process-step:last-child { padding-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .process-timeline::after { animation: none; left: 50%; opacity: 0.6; }
  .process-step__node::before { animation: none; opacity: 0.3; }
}

/* ============================================================
   ANIMATED SERVICE VISUALIZATIONS
   Used on service-european-ecosystem.html (S.01),
   service-hardware-ai.html (S.02), service-consultancy.html (S.03).
   Institutional motion — continuous, evidence-feel, not flashy.
   ============================================================ */

/* Shared keyframes -------------------------------------------- */
@keyframes rai-rotate-cw  { to { transform: rotate(360deg); } }
@keyframes rai-rotate-ccw { to { transform: rotate(-360deg); } }
@keyframes rai-halo-out {
  0%   { opacity: 0.55; transform: scale(0.4); }
  100% { opacity: 0;    transform: scale(3.4); }
}
@keyframes rai-soft-pulse {
  0%, 100% { opacity: 0.65; }
  50%      { opacity: 1; }
}

/* ------------------------------------------------------------
   S.01 — ANIMATED EUROPEAN TOPOLOGY
   Layered on the base .topology__ classes.
   ------------------------------------------------------------ */
.topology--live { overflow: visible; }

.topology--live .topology__ring {
  transform-origin: 360px 230px;
  animation: rai-rotate-cw 180s linear infinite;
}
.topology--live .topology__ring--mid {
  animation: rai-rotate-ccw 140s linear infinite;
}
.topology--live .topology__ring--inner {
  animation: rai-rotate-cw 90s linear infinite;
}

/* Hub halos — concentric outward expansion */
.topology__halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: rai-halo-out 3.4s var(--ease) infinite;
}
.topology__halo--b { animation-delay: 1.1s; }
.topology__halo--c { animation-delay: 2.2s; }

/* Cluster nodes — soft opacity breathing */
.topology__cluster--live {
  animation: rai-soft-pulse 3s var(--ease) infinite;
}
.topology__cluster--live.delay-1 { animation-delay: 0.4s; }
.topology__cluster--live.delay-2 { animation-delay: 0.8s; }
.topology__cluster--live.delay-3 { animation-delay: 1.2s; }
.topology__cluster--live.delay-4 { animation-delay: 1.6s; }
.topology__cluster--live.delay-5 { animation-delay: 2.0s; }
.topology__cluster--live.delay-6 { animation-delay: 2.4s; }

/* Travelling signal pulses along spokes — circle starts at hub
   and translates by (--tx, --ty) over duration --dur. */
.topology__pulse {
  fill: var(--gold);
  opacity: 0;
  --dur: 4.6s;
  --delay: 0s;
  animation: topology-pulse var(--dur) linear infinite;
  animation-delay: var(--delay);
}
@keyframes topology-pulse {
  0%   { transform: translate(0, 0);                 opacity: 0; }
  10%  { opacity: 1; }
  85%  { opacity: 0.95; }
  100% { transform: translate(var(--tx), var(--ty)); opacity: 0; }
}
.topology__pulse--violet { fill: var(--signal-violet); }
.topology__pulse--blue   { fill: var(--signal-blue); }

/* Outer corridor arc — sweeping highlight */
.topology__corridor {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-dasharray: 90 1000;
  opacity: 0.7;
  filter: drop-shadow(0 0 6px rgba(201, 168, 106, 0.45));
  transform-origin: 360px 230px;
  animation: rai-rotate-cw 14s linear infinite;
}

/* ------------------------------------------------------------
   S.02 — INTEGRATION SCHEMATIC
   AI source → six-layer cognition stack → hardware body →
   deployment field. Travelling packets along rails.
   ------------------------------------------------------------ */
.integration {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.integration__rail {
  stroke: var(--line-2);
  stroke-width: 1;
  fill: none;
}
.integration__rail--hot {
  stroke: var(--gold-rule);
  stroke-dasharray: 3 6;
  animation: integration-rail-flow 2.4s linear infinite;
}
@keyframes integration-rail-flow {
  to { stroke-dashoffset: -90; }
}

.integration__node-ai,
.integration__node-hw,
.integration__node-field {
  fill: var(--bg-1);
  stroke: var(--gold);
  stroke-width: 1.25;
}
.integration__halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: rai-halo-out 3.4s var(--ease) infinite;
}
.integration__halo--b { animation-delay: 1.1s; }
.integration__halo--c { animation-delay: 2.2s; }

/* Six layer bars (capability slots) */
.integration__layer {
  fill: var(--bg-2);
  stroke: var(--line-2);
  stroke-width: 1;
}
.integration__layer-fill {
  fill: var(--gold);
  transform-origin: left center;
  transform-box: fill-box;
  animation: integration-fill 4.4s var(--ease) infinite;
}
@keyframes integration-fill {
  0%, 100% { transform: scaleX(0.04); opacity: 0.10; }
  40%      { transform: scaleX(0.95); opacity: 0.40; }
  70%      { transform: scaleX(0.95); opacity: 0.22; }
}
.integration__l-fill-1 { animation-delay: 0s; }
.integration__l-fill-2 { animation-delay: 0.45s; }
.integration__l-fill-3 { animation-delay: 0.90s; }
.integration__l-fill-4 { animation-delay: 1.35s; }
.integration__l-fill-5 { animation-delay: 1.80s; }
.integration__l-fill-6 { animation-delay: 2.25s; }

.integration__l-id {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  fill: var(--gold);
}
.integration__l-name {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  fill: var(--ink-1);
}
.integration__l-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  fill: var(--ink-3);
}
.integration__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  fill: var(--ink-1);
}
.integration__sublabel {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  fill: var(--ink-3);
}

/* Travelling packets along the horizontal rail */
.integration__packet {
  fill: var(--gold);
  opacity: 0;
  --dur: 4.2s;
  --delay: 0s;
  --travel: 240px;
  animation: integration-packet var(--dur) linear infinite;
  animation-delay: var(--delay);
}
@keyframes integration-packet {
  0%   { transform: translateX(0);            opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 1; }
  100% { transform: translateX(var(--travel)); opacity: 0; }
}
.integration__packet--violet { fill: var(--signal-violet); }
.integration__packet--blue   { fill: var(--signal-blue); }

/* Hardware body sweep — vertical scan inside the hw rectangle */
.integration__hw-scan {
  fill: var(--gold);
  opacity: 0.18;
  animation: integration-hw-scan 3.6s ease-in-out infinite;
}
@keyframes integration-hw-scan {
  0%, 100% { transform: translateY(0);    opacity: 0.04; }
  50%      { transform: translateY(72px); opacity: 0.28; }
}

/* Deployment dot grid — each dot blinks in sequence */
.integration__dot {
  fill: var(--ink-3);
  animation: integration-dot 3s ease-in-out infinite;
}
.integration__dot.d-1 { animation-delay: 0s; }
.integration__dot.d-2 { animation-delay: 0.20s; }
.integration__dot.d-3 { animation-delay: 0.40s; }
.integration__dot.d-4 { animation-delay: 0.60s; }
.integration__dot.d-5 { animation-delay: 0.80s; }
.integration__dot.d-6 { animation-delay: 1.00s; }
.integration__dot.d-7 { animation-delay: 1.20s; }
.integration__dot.d-8 { animation-delay: 1.40s; }
.integration__dot.d-9 { animation-delay: 1.60s; }
@keyframes integration-dot {
  0%, 100% { fill: var(--ink-3); }
  40%      { fill: var(--gold); }
}

/* ------------------------------------------------------------
   S.03 — DECISION RADAR (polar advisory surface)
   ------------------------------------------------------------ */
.radar {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.radar__ring {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}
.radar__ring--strong {
  stroke: var(--line-2);
  stroke-dasharray: 2 5;
}
.radar__axis {
  stroke: var(--line-2);
  stroke-width: 1;
  stroke-dasharray: 1 4;
}
.radar__axis-tip {
  fill: none;
  stroke: var(--gold-rule);
  stroke-width: 1;
}
.radar__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  fill: var(--ink-1);
}
.radar__sublabel {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  fill: var(--ink-3);
}
.radar__id {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  fill: var(--gold);
}

/* Centre core + halo */
.radar__core {
  fill: var(--bg-1);
  stroke: var(--gold);
  stroke-width: 1.5;
}
.radar__core-halo {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: rai-halo-out 3.4s var(--ease) infinite;
}
.radar__core-halo--b { animation-delay: 1.7s; }

/* Position polygon — gentle breathing */
.radar__polygon {
  fill: rgba(201, 168, 106, 0.10);
  stroke: var(--gold);
  stroke-width: 1.25;
  transform-box: fill-box;
  transform-origin: center;
  animation: radar-morph 6.6s var(--ease) infinite;
}
@keyframes radar-morph {
  0%, 100% { transform: scale(1);    opacity: 0.95; }
  50%      { transform: scale(1.045); opacity: 0.75; }
}

/* Rotating sweep cone */
.radar__sweep {
  fill: url(#radar-sweep-grad);
  opacity: 0.55;
  transform-origin: 360px 230px;
  animation: rai-rotate-cw 8s linear infinite;
  pointer-events: none;
}
.radar__sweep-edge {
  stroke: var(--gold);
  stroke-width: 1.25;
  fill: none;
  opacity: 0.85;
  transform-origin: 360px 230px;
  animation: rai-rotate-cw 8s linear infinite;
  filter: drop-shadow(0 0 4px rgba(201, 168, 106, 0.5));
}

/* Axis blips — pulse in staggered sequence */
.radar__blip {
  fill: var(--bg-1);
  stroke: var(--gold);
  stroke-width: 1.25;
  transform-box: fill-box;
  transform-origin: center;
  animation: radar-blip 4.8s var(--ease) infinite;
}
.radar__blip.b-1 { animation-delay: 0s; }
.radar__blip.b-2 { animation-delay: 0.8s; }
.radar__blip.b-3 { animation-delay: 1.6s; }
.radar__blip.b-4 { animation-delay: 2.4s; }
.radar__blip.b-5 { animation-delay: 3.2s; }
.radar__blip.b-6 { animation-delay: 4.0s; }
@keyframes radar-blip {
  0%, 100% { transform: scale(1);   fill: var(--bg-1); }
  10%      { transform: scale(1.7); fill: var(--gold); }
  25%      { transform: scale(1);   fill: var(--bg-1); }
}

/* Decision vectors — rotating bearing lines */
.radar__bearing {
  stroke: var(--gold);
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0.55;
  transform-origin: 360px 230px;
  animation: rai-rotate-cw 22s linear infinite;
}
.radar__bearing--b {
  animation: rai-rotate-ccw 30s linear infinite;
  opacity: 0.3;
}

/* Reduced motion --------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  .topology--live .topology__ring,
  .topology__halo,
  .topology__pulse,
  .topology__cluster--live,
  .topology__corridor,
  .integration__rail--hot,
  .integration__layer-fill,
  .integration__packet,
  .integration__hw-scan,
  .integration__dot,
  .integration__halo,
  .radar__core-halo,
  .radar__polygon,
  .radar__sweep,
  .radar__sweep-edge,
  .radar__blip,
  .radar__bearing {
    animation: none !important;
  }
  .topology__pulse,
  .integration__packet,
  .topology__corridor,
  .radar__sweep,
  .radar__sweep-edge { opacity: 0.5; }
}

/* ============================================================
   Cookie / Consent banner — Google Consent Mode v2
   ============================================================ */
.consent {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  padding: 16px;
  background: rgba(8, 9, 13, 0.92);
  border-top: 1px solid var(--line-2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform: translateY(110%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.consent.is-open { transform: translateY(0); }
.consent__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: space-between;
}
.consent__text {
  margin: 0;
  flex: 1 1 380px;
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink-2);
}
.consent__text a { color: var(--ink-0); text-decoration: underline; }
.consent__actions { display: flex; gap: 10px; flex: 0 0 auto; }
.consent__btn {
  font: inherit;
  font-size: 20px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 11px 22px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid var(--line-2);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.consent__btn--ghost {
  background: transparent;
  color: var(--ink-2);
}
.consent__btn--ghost:hover { border-color: var(--line-hot); color: var(--ink-0); }
.consent__btn--solid {
  background: var(--ink-0);
  color: #06070a;
  border-color: var(--ink-0);
}
.consent__btn--solid:hover { background: var(--accent); border-color: var(--accent); color: #06070a; }
.consent__btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (max-width: 560px) {
  .consent__inner { gap: 14px; }
  .consent__actions { width: 100%; }
  .consent__btn { flex: 1 1 auto; }
}

/* ============================================================
   DEV CYCLE — How RAI Develops 24/7 (brain.html)
   ============================================================ */

.dev-cycle__layout {
  margin-top: clamp(32px, 5vw, 64px);
}
.dev-cycle__chart {
  max-width: 1060px;
  margin: 0 auto;
}
.dev-cycle__chart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* --- slice colors (corporate palette, muted) --- */
.dev-cycle__slice--k { color: #9db9e6; }
.dev-cycle__slice--w { color: #e3b496; }
.dev-cycle__slice--s { color: #c3a3df; }

.dc-fill {
  stroke-width: 1.5;
  transition: fill 0.45s var(--ease);
  animation: dcBreathe 8s ease-in-out infinite;
}
.dc-fill--k { fill: rgba(138, 174, 232, 0.13); stroke: rgba(138, 174, 232, 0.40); }
.dc-fill--w { fill: rgba(245, 180, 135, 0.11); stroke: rgba(245, 180, 135, 0.36); animation-delay: 2.7s; }
.dc-fill--s { fill: rgba(197, 146, 235, 0.12); stroke: rgba(197, 146, 235, 0.38); animation-delay: 5.4s; }

.dev-cycle__slice {
  transform-box: view-box;
  transition: transform 0.5s var(--ease);
}
.dev-cycle__slice--k:hover { transform: translate(5px, -3px); }
.dev-cycle__slice--w:hover { transform: translate(0, 6px); }
.dev-cycle__slice--s:hover { transform: translate(-5px, -3px); }
.dev-cycle__slice:hover .dc-fill--k { fill: rgba(138, 174, 232, 0.22); }
.dev-cycle__slice:hover .dc-fill--w { fill: rgba(245, 180, 135, 0.19); }
.dev-cycle__slice:hover .dc-fill--s { fill: rgba(197, 146, 235, 0.21); }

/* --- slice labels & icons --- */
.dc-word {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 27px;
  letter-spacing: 0.13em;
  text-anchor: middle;
  fill: currentColor;
}
.dc-cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.13em;
  text-anchor: middle;
  fill: currentColor;
  opacity: 0.8;
}
.dc-hours {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-anchor: middle;
  fill: currentColor;
  opacity: 0.6;
}
.dc-icon ellipse,
.dc-icon circle,
.dc-icon line,
.dc-icon path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.dc-icon .dc-icon-dot { fill: currentColor; stroke: none; }

/* --- separators, ticks, rings, times --- */
.dc-sep line {
  stroke: var(--bg-0);
  stroke-width: 8;
  stroke-linecap: round;
}
.dc-ticks {
  fill: none;
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 9;
  stroke-dasharray: 2 78.11;
}
.dc-ring {
  fill: none;
  transform-box: view-box;
  transform-origin: center;
}
.dc-ring--outer {
  stroke: rgba(255, 255, 255, 0.09);
  stroke-width: 1;
  stroke-dasharray: 3 14;
  animation: dcSpin 140s linear infinite;
}
.dc-ring--inner {
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 1;
  stroke-dasharray: 2 10;
  animation: dcSpinRev 90s linear infinite;
}
.dc-time {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.08em;
  fill: var(--ink-3);
}

/* --- sweeping day hand --- */
.dev-cycle__hand {
  transform-box: view-box;
  transform-origin: center;
  animation: dcSweep 48s linear infinite;
}
.dev-cycle__hand line { stroke-width: 2; stroke-linecap: round; }
.dc-hand-halo { fill: rgba(255, 255, 255, 0.12); }
.dc-hand-tip  { fill: rgba(255, 255, 255, 0.85); }

/* --- center --- */
.dc-center-top,
.dc-center-sub {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  fill: var(--ink-2);
}
.dc-center-big {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 66px;
  letter-spacing: 0.04em;
  fill: url(#dcGrad);
}

@keyframes dcSweep   { to { transform: rotate(360deg); } }
@keyframes dcSpin    { to { transform: rotate(360deg); } }
@keyframes dcSpinRev { to { transform: rotate(-360deg); } }
@keyframes dcBreathe { 0%, 100% { opacity: 1; } 50% { opacity: 0.68; } }

/* --- 24-hour schedule --- */
.dev-cycle__schedule {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.5vw, 28px);
  margin-top: clamp(40px, 6vw, 72px);
}
.dc-block {
  --dc-c: rgba(255, 255, 255, 0.4);
  --dc-c-soft: rgba(255, 255, 255, 0.08);
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--grad-panel);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.dc-block::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--dc-c), transparent 85%);
}
.dc-block:hover {
  border-color: var(--line-2);
  box-shadow: var(--glow-card);
}
.dc-block--k { --dc-c: rgba(138, 174, 232, 0.75); --dc-c-soft: rgba(138, 174, 232, 0.10); }
.dc-block--w { --dc-c: rgba(245, 180, 135, 0.70); --dc-c-soft: rgba(245, 180, 135, 0.09); }
.dc-block--s { --dc-c: rgba(197, 146, 235, 0.72); --dc-c-soft: rgba(197, 146, 235, 0.10); }

.dc-block__head {
  padding: clamp(20px, 2.6vw, 28px) clamp(20px, 2.6vw, 26px) 18px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--dc-c-soft), transparent);
}
.dc-block__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.dc-block__head h3 {
  margin: 0;
  font-size: clamp(21px, 1.9vw, 25px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  min-height: 2.5em;
  display: flex;
  align-items: flex-start;
}
.dc-block__sub {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-3);
}

.dc-block__list {
  list-style: none;
  margin: 0;
  padding: 6px 0 10px;
}
.dc-block__list li {
  display: grid;
  grid-template-columns: 38px 1fr;
  grid-template-areas: "num name" "num status";
  align-items: baseline;
  column-gap: 14px;
  row-gap: 4px;
  padding: 13px clamp(20px, 2.6vw, 26px);
  border-bottom: 1px solid var(--line);
  transition: background 0.25s var(--ease);
}
.dc-block__list li:last-child { border-bottom: 0; }
.dc-block__list li:hover { background: var(--dc-c-soft); }
.dc-block__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--dc-c);
}
.dc-block__name {
  grid-area: name;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--ink-1);
}
.dc-block__status {
  grid-area: status;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-4);
}
.dc-block__status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dc-c);
  animation: dcPulse 2.6s ease-in-out infinite;
}
.dc-block__list li:nth-child(even) .dc-block__status::before { animation-delay: 1.3s; }

@keyframes dcPulse {
  0%, 100% { opacity: 0.25; transform: scale(0.8); }
  50%      { opacity: 1;    transform: scale(1.1); }
}

@media (max-width: 1080px) {
  .dev-cycle__schedule { grid-template-columns: 1fr; max-width: 640px; margin-inline: auto; }
  .dc-block__head h3 { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .dc-fill,
  .dc-ring--outer,
  .dc-ring--inner,
  .dev-cycle__hand,
  .dc-block__status::before { animation: none; }
}

/* ============================================================
   RAI UNIVERSITY (university.html)
   ============================================================ */

/* mission statement — large, light, gradient accents */
.uni-mission {
  max-width: 28ch;
  margin: clamp(28px, 4vw, 48px) 0 0 auto;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 46px);
  line-height: 1.32;
  color: var(--ink-1);
}
@media (min-width: 880px) {
  .uni-mission { margin-right: 0; margin-left: auto; padding-left: clamp(0px, 8vw, 120px); max-width: 24ch; }
}
.uni-mission em { font-style: normal; font-weight: 800; }

/* six pillars */
.uni-pillars {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.5vw, 28px);
  margin-top: clamp(32px, 5vw, 56px);
}
@media (max-width: 980px) { .uni-pillars { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .uni-pillars { grid-template-columns: 1fr; } }
.uni-pillar {
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--grad-panel);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.uni-pillar:hover {
  border-color: var(--line-2);
  box-shadow: var(--glow-card);
  transform: translateY(-3px);
}
.uni-pillar h3 { margin: 16px 0 10px; font-size: clamp(24px, 2vw, 28px); }
.uni-pillar p  { margin: 0; font-size: 20px; line-height: 1.6; color: var(--ink-3); }

.uni-pillar__icon {
  display: inline-flex;
  width: 56px; height: 56px;
  align-items: center; justify-content: center;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  color: #c3a3df;
}
.uni-pillar:nth-child(6n+1) .uni-pillar__icon { color: #9db9e6; }
.uni-pillar:nth-child(6n+2) .uni-pillar__icon { color: #e3b496; }
.uni-pillar:nth-child(6n+3) .uni-pillar__icon { color: #c3a3df; }
.uni-pillar:nth-child(6n+4) .uni-pillar__icon { color: #e8a9c9; }
.uni-pillar:nth-child(6n+5) .uni-pillar__icon { color: #9cc4cf; }
.uni-pillar:nth-child(6n+6) .uni-pillar__icon { color: #a8c0e8; }
.uni-pillar__icon svg { width: 30px; height: 30px; }
.uni-pillar__icon svg * {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.uni-pillar__icon svg .fill { fill: currentColor; stroke: none; }

.uni-closing {
  max-width: 52ch;
  margin: clamp(32px, 5vw, 52px) auto 0;
  text-align: center;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.5;
  color: var(--ink-1);
}

/* five goals — numbered manifest rows */
.uni-goals {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.uni-goal {
  display: grid;
  grid-template-columns: clamp(72px, 10vw, 140px) 1fr;
  gap: clamp(16px, 3vw, 48px);
  align-items: start;
  padding: clamp(24px, 3.4vw, 40px) 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s var(--ease);
}
.uni-goal:hover { background: rgba(255, 255, 255, 0.02); }
.uni-goal__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1;
  background: var(--rai-grad-text);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  opacity: 0.85;
}
.uni-goal h3 { margin: 0 0 10px; font-size: clamp(20px, 2vw, 26px); line-height: 1.3; }
.uni-goal p  { margin: 0; max-width: 64ch; font-size: 20px; line-height: 1.6; color: var(--ink-3); }

/* partner constellation */
#partners { scroll-margin-top: 110px; }
.uni-net {
  max-width: 900px;
  margin: clamp(36px, 5vw, 64px) auto 0;
}
.uni-net svg { display: block; width: 100%; height: auto; overflow: visible; }
.uni-net__links line {
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1;
  stroke-dasharray: 3 9;
  animation: uniDash 26s linear infinite;
}
@keyframes uniDash { to { stroke-dashoffset: -480; } }
.uni-net__node circle {
  fill: currentColor;
  filter: drop-shadow(0 0 8px currentColor);
}
.uni-net__node text {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.16em;
  fill: currentColor;
}
.uni-net__halo {
  fill: none;
  stroke: rgba(197, 146, 235, 0.25);
  stroke-width: 1;
  transform-box: view-box;
  transform-origin: center;
  animation: uniHalo 5s ease-in-out infinite;
}
@keyframes uniHalo {
  0%, 100% { opacity: 0.4; transform: scale(0.96); }
  50%      { opacity: 1;   transform: scale(1.04); }
}
.uni-net__core {
  fill: rgba(10, 11, 16, 0.85);
  stroke: url(#uniNetGrad);
  stroke-width: 1.6;
}
.uni-net__rai {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 42px;
  letter-spacing: 0.1em;
  fill: url(#uniNetGrad);
}
.uni-net__uni {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.24em;
  fill: var(--ink-2);
}

/* partner cards */
.uni-partners {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.5vw, 28px);
  margin-top: clamp(36px, 5vw, 64px);
}
@media (max-width: 980px) { .uni-partners { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .uni-partners { grid-template-columns: 1fr; } }
.uni-partner {
  --up-c: rgba(197, 146, 235, 0.72);
  --up-soft: rgba(197, 146, 235, 0.1);
  position: relative;
  padding: clamp(22px, 2.6vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, var(--up-soft), transparent 55%), var(--grad-panel);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.uni-partner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--up-c), transparent);
}
.uni-partner:hover {
  border-color: var(--line-2);
  box-shadow: var(--glow-card);
  transform: translateY(-3px);
}
.uni-partner .uni-pillar__icon { color: var(--up-c); border-color: var(--line-2); }
.uni-partner h3 { margin: 16px 0 10px; font-size: clamp(24px, 2vw, 28px); }
.uni-partner p  { margin: 0; font-size: 20px; line-height: 1.6; color: var(--ink-3); }

@media (max-width: 640px) {
  .uni-net__node text { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  .uni-net__links line,
  .uni-net__halo { animation: none; }
}

/* intro lede of the 24/7 section — noticeably larger by request */
p.lede.dev-cycle__lede {
  font-size: clamp(24px, 2.5vw, 36px);
  line-height: 1.4;
  max-width: 56ch;
}

/* ============================================================
   Decorative ciphers & index codes — intentionally below the
   20px site minimum (explicit user exception). These mono
   codes (P.01, stamps, seals, indexes) are ornamental, not
   informational; they must stay secondary to the real copy.
   ============================================================ */
.btn,
.eyebrow,
.portal-slide__eyebrow,
.product-card__id,
.product-card__tag,
.product-card__price,
.product-card__cta,
.roster__num,
.hero__index,
.hero__stamp,
.page-head__index,
.claim__index,
.claims-list > li::before,
.atlas-chapter__num,
.book-block__edition,
.book-block__seal,
.book-block__cover-caption,
.instrument__id,
.service-list__id,
.stack-layer__id,
.deploy-arch__index,
.density-cell__id,
.doctrine-note__stamp,
.shock-rule__mark,
.restricted__seal,
.restricted__clearance,
.vault-doctrine__seal,
.portal-slide__index,
.portal-slider__rail,
.process-step__num,
.principal__portrait-stamp {
  font-size: 15px;
}

/* Form fine print — consent line and form notes, smaller still */
label.form__consent,
label.form__consent span,
.form__consent,
.form__note,
p.form__note {
  font-size: 13px !important;
}