/* AEON v2 — Editorial dossier × clinical schematic
   Bone paper, deep ink, vibrant blue + mint accents.
   Type: Instrument Serif (display italic), Geist (body), Geist Mono (data)
*/

:root {
  --paper: oklch(0.962 0.012 95);        /* warm bone */
  --paper-2: oklch(0.93 0.014 90);       /* shadow */
  --paper-3: oklch(0.88 0.016 88);       /* darker shadow */
  --ink: oklch(0.18 0.025 250);          /* deep ink */
  --ink-soft: oklch(0.35 0.025 245);
  --ink-faint: oklch(0.55 0.018 240);
  --ink-rule: oklch(0.78 0.012 230);

  --night: oklch(0.13 0.03 245);
  --night-2: oklch(0.19 0.035 245);
  --night-rule: oklch(0.32 0.04 240);

  --blue: oklch(0.55 0.21 255);
  --blue-2: oklch(0.68 0.18 230);
  --mint: oklch(0.72 0.18 168);
  --mint-2: oklch(0.82 0.16 165);
  --signal: oklch(0.74 0.2 195);

  --pad: clamp(20px, 4vw, 56px);
  --max: 1520px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --serif: 'Instrument Serif', 'Times New Roman', serif;
  --sans: 'Geist', 'Helvetica Neue', sans-serif;
  --mono: 'Geist Mono', 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: clip; }

html, body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-feature-settings: 'ss01';
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Subtle paper grain */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(20, 18, 12, 0.04) 1px, transparent 0);
  background-size: 3px 3px;
  opacity: 0.7;
  mix-blend-mode: multiply;
}

::selection { background: var(--mint); color: var(--ink); }

a { color: inherit; text-decoration: none; }

/* ============ Typography ============ */
.serif { font-family: var(--serif); font-weight: 400; }
.mono { font-family: var(--mono); }
.italic { font-style: italic; }

.label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-weight: 400;
}

.dossier-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

h1, h2, h3, h4 { font-weight: 400; }

/* Layout primitives */
.wrap {
  position: relative;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad);
}

section { position: relative; z-index: 2; }

/* Dark sections — inverted */
.invert {
  background: var(--night);
  color: var(--paper);
}
.invert ::selection { background: var(--mint); color: var(--night); }

/* ============ LOADER ============ */
#loader {
  position: fixed; inset: 0;
  background: var(--paper);
  z-index: 200;
  display: grid;
  place-items: center;
  pointer-events: none;
}
#loader .lrow {
  display: flex; align-items: baseline; gap: 28px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
#loader .lmark {
  width: 28px; height: 28px;
  border: 1px solid var(--ink);
  position: relative;
  align-self: center;
}
#loader .lmark::after {
  content: ''; position: absolute; inset: 0;
  background: var(--blue);
  transform-origin: bottom;
  animation: fill 1.3s var(--ease-in-out) infinite;
}
@keyframes fill {
  0% { transform: scaleY(0); }
  50% { transform: scaleY(1); }
  100% { transform: scaleY(0); transform-origin: top; }
}

/* ============ NAV — clinical dossier strip ============ */
.dossier-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px var(--pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  background: color-mix(in oklab, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--ink-rule);
}
.dossier-nav .l { display: flex; gap: 24px; align-items: center; }
.dossier-nav .l b { font-weight: 400; }
.dossier-nav .l .sep { color: var(--ink-faint); }
.dossier-nav .brand {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  letter-spacing: -0.02em;
  text-transform: none;
}
.dossier-nav .r { justify-self: end; display: flex; gap: 24px; align-items: center; }
.dossier-nav .r a { opacity: 0.7; transition: opacity 0.3s; }
.dossier-nav .r a:hover { opacity: 1; color: var(--blue); }

.invert .dossier-nav,
section.invert + .dossier-nav { /* not used but reserved */ }

/* ============ SIDE RUNNERS (left and right vertical type) ============ */
.runner {
  position: fixed;
  top: 50%;
  z-index: 30;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-faint);
  writing-mode: vertical-rl;
  transform: translateY(-50%);
  pointer-events: none;
  mix-blend-mode: multiply;
}
.runner.l { left: 12px; transform: translateY(-50%) rotate(180deg); }
.runner.r { right: 12px; }
.invert ~ .runner,
.runner.dark { mix-blend-mode: difference; color: rgba(255,255,255,0.5); }

/* ============ HERO v2 — centered, cinematic ============ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--night);
  color: var(--paper);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px var(--pad) 100px;
  text-align: center;
}

/* Background orbital rings */
.hero-rings {
  position: absolute;
  inset: -20%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.hero-rings svg { width: 100%; height: 100%; max-width: 1200px; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 50%, transparent);
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 52px;
  position: relative;
  z-index: 2;
  opacity: 0;
}
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  width: 40px;
  height: 1px;
  background: currentColor;
  opacity: 0.5;
}

.hero-headline {
  position: relative;
  z-index: 2;
  margin-bottom: 40px;
}
.hero-headline .line {
  display: block;
  overflow: hidden;
}
.hero-headline .line span {
  display: block;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(72px, 13vw, 220px);
  line-height: 0.88;
  letter-spacing: -0.04em;
  font-weight: 400;
  color: var(--paper);
  transform: translateY(110%);
}
.hero-headline .line span.accent {
  background: linear-gradient(120deg, var(--mint-2) 0%, var(--blue-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(18px, 1.8vw, 26px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: color-mix(in oklab, var(--paper) 72%, transparent);
  max-width: 44ch;
  margin: 0 auto 50px;
  position: relative;
  z-index: 2;
  opacity: 0;
  text-wrap: balance;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 2;
  opacity: 0;
  margin-bottom: 90px;
}
.hero-actions .ha-btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 18px 28px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid color-mix(in oklab, var(--paper) 30%, transparent);
  color: var(--paper);
  transition: all 0.4s var(--ease-out);
  background: transparent;
}
.hero-actions .ha-btn.primary {
  background: var(--paper);
  color: var(--night);
  border-color: var(--paper);
}
.hero-actions .ha-btn:hover { border-color: var(--mint); color: var(--mint); transform: translateY(-2px); }
.hero-actions .ha-btn.primary:hover { background: var(--mint-2); border-color: var(--mint-2); color: var(--night); transform: translateY(-2px); }
.hero-actions .ha-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: color-mix(in oklab, var(--paper) 25%, transparent);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 38%, transparent);
  opacity: 0;
}
.hero-scroll .arrow {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, transparent, color-mix(in oklab, var(--mint) 80%, transparent));
  animation: scrollbar 2s var(--ease-in-out) infinite;
}
@keyframes scrollbar {
  0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

.hero-dossier {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  background: color-mix(in oklab, var(--night) 60%, transparent);
  backdrop-filter: blur(12px);
  border-top: 1px solid color-mix(in oklab, var(--paper) 12%, transparent);
  z-index: 3;
  opacity: 0;
}
.hero-dossier > div {
  padding: 16px 22px;
  border-right: 1px solid color-mix(in oklab, var(--paper) 8%, transparent);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.hero-dossier > div:last-child { border-right: none; }
.hero-dossier .k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 40%, transparent);
}
.hero-dossier .v {
  font-size: 13px;
  color: color-mix(in oklab, var(--paper) 85%, transparent);
  letter-spacing: -0.005em;
}
.hero-dossier .v.mono { font-family: var(--mono); font-size: 12px; }

/* dossier strip — top of hero */
.dossier {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--ink-rule);
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
}
.dossier > div {
  background: var(--paper);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.dossier .k {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.dossier .v {
  font-size: 13px;
  letter-spacing: -0.005em;
}
.dossier .v.mono { font-family: var(--mono); font-size: 12px; }

/* Title block */
.hero-title {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
  padding: 30px 0;
}
.hero-title .display {
  font-family: var(--serif);
  font-size: clamp(120px, 22vw, 380px);
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-weight: 400;
}
.hero-title .display .it {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-title .meta {
  align-self: end;
  display: grid;
  gap: 14px;
  text-align: right;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  max-width: 240px;
  justify-self: end;
}
.hero-title .meta .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: none;
  line-height: 1;
}
.hero-title .meta .num small {
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  display: block;
  margin-top: 8px;
  color: var(--ink-faint);
  text-transform: uppercase;
}

/* The crossed grid bar */
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 1px 1fr;
  gap: 0;
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
  background: var(--paper);
}
.hero-grid > .col { padding: 28px 0; }
.hero-grid > .col.left { padding-right: 50px; }
.hero-grid > .col.right { padding-left: 50px; padding-right: 0; }
.hero-grid .vline { background: var(--ink-rule); }
.hero-grid .col h3 {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  text-wrap: balance;
  max-width: 22ch;
}
.hero-grid .col h3 b {
  font-style: normal;
  font-weight: 400;
  color: var(--ink);
}
.hero-grid .col p {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 44ch;
  text-wrap: pretty;
}
.hero-grid .col .label { color: var(--ink-faint); margin-bottom: 18px; }

.hero-glyph {
  position: absolute;
  right: var(--pad);
  top: 110px;
  width: 130px; height: 130px;
  z-index: 1;
  opacity: 0.85;
  pointer-events: none;
}

/* ============ Edge marquee ============ */
.marquee {
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
  overflow: hidden;
  padding: 22px 0;
  position: relative;
  z-index: 3;
}
.marquee .track {
  display: flex;
  gap: 60px;
  white-space: nowrap;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(38px, 5.5vw, 86px);
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--ink);
  animation: marquee 42s linear infinite;
  width: max-content;
}
.marquee .track span { display: inline-flex; align-items: center; gap: 60px; }
.marquee .track .dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
}
.marquee .track .dot.blu { background: var(--blue); }
.marquee.invert .track { color: var(--paper); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ============ CHAPTER markers (book spread) ============ */
.chapter-open {
  padding: 140px var(--pad) 60px;
  position: relative;
}
.chapter-open .inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 60px;
  align-items: start;
}
.chapter-open .num {
  font-family: var(--serif);
  font-size: clamp(80px, 11vw, 180px);
  font-style: italic;
  line-height: 0.85;
  letter-spacing: -0.05em;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.chapter-open .num .rn {
  display: block;
  font-style: normal;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  margin-top: 16px;
  color: var(--ink-faint);
  -webkit-text-fill-color: var(--ink-faint);
}
.chapter-open h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 6vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.025em;
  max-width: 18ch;
  text-wrap: balance;
}
.chapter-open h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Section 01: Heartbeat ============ */
.s-heart {
  padding: 60px var(--pad) 160px;
  position: relative;
}
.heart-layout {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: start;
}
.heart-stage {
  position: relative;
  aspect-ratio: 5 / 4;
  background: var(--paper-2);
  border: 1px solid var(--ink-rule);
  overflow: hidden;
}
.heart-stage canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
.heart-stage .schema-labels {
  position: absolute; inset: 0;
  pointer-events: none;
}
.heart-stage .lbl {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  display: flex; align-items: center; gap: 10px;
}
.heart-stage .lbl .dash {
  width: 50px; height: 1px;
  background: var(--ink);
}
.heart-stage .lbl.tl { top: 24px; left: 24px; }
.heart-stage .lbl.tr { top: 24px; right: 24px; flex-direction: row-reverse; }
.heart-stage .lbl.bl { bottom: 24px; left: 24px; }
.heart-stage .lbl.br { bottom: 24px; right: 24px; flex-direction: row-reverse; }
.heart-stage .lbl b { color: var(--blue); font-weight: 400; }

.heart-text { padding-top: 20px; }
.heart-text .pull {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(28px, 2.6vw, 38px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 32px;
  text-wrap: balance;
}
.heart-text .pull em {
  font-style: normal;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.heart-text .body {
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 30px;
  column-count: 1;
  max-width: 46ch;
}

.heart-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--ink-rule);
  margin-top: 12px;
}
.heart-stats .cell {
  padding: 20px 0;
  border-bottom: 1px solid var(--ink-rule);
  padding-right: 20px;
}
.heart-stats .cell:nth-child(odd) { border-right: 1px solid var(--ink-rule); padding-left: 0; padding-right: 24px; }
.heart-stats .cell:nth-child(even) { padding-left: 24px; }
.heart-stats .n {
  font-family: var(--serif);
  font-size: 44px;
  line-height: 1;
  letter-spacing: -0.025em;
  font-style: italic;
}
.heart-stats .n b { font-style: normal; font-weight: 400; }
.heart-stats .l {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 8px;
}

/* ============ Section 02: Cognitive Engine ============ */
/* full-bleed dark cinematic */
.s-engine {
  background: var(--night);
  color: var(--paper);
  position: relative;
  padding: 180px var(--pad) 200px;
  overflow: hidden;
}
.s-engine::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 20% 50%, color-mix(in oklab, var(--blue) 18%, transparent), transparent 60%);
  pointer-events: none;
}
.engine-inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
  min-height: 80vh;
}
.engine-text .chap {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 28px;
}
.engine-text h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 6.8vw, 110px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  margin-bottom: 30px;
  text-wrap: balance;
}
.engine-text h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--mint-2), var(--blue-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.engine-text p {
  font-size: 17px;
  line-height: 1.6;
  color: color-mix(in oklab, var(--paper) 80%, transparent);
  max-width: 44ch;
  margin-bottom: 40px;
}

.engine-phases {
  display: grid;
  gap: 0;
  border-top: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
}
.engine-phases .ph {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
  align-items: center;
  opacity: 0.4;
  transition: opacity 0.5s var(--ease-out);
}
.engine-phases .ph.active { opacity: 1; }
.engine-phases .ph .rn {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  color: var(--mint-2);
}
.engine-phases .ph .t {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.015em;
}
.engine-phases .ph .d {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: color-mix(in oklab, var(--paper) 60%, transparent);
}

.engine-canvas-wrap {
  position: relative;
  aspect-ratio: 1 / 1.2;
  max-height: 720px;
}
#engineCanvas { width: 100%; height: 100%; display: block; }
.engine-meter {
  position: absolute;
  bottom: 24px; left: 24px; right: 24px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 70%, transparent);
  display: grid; gap: 8px;
}
.engine-meter .row { display: flex; justify-content: space-between; }
.engine-meter .row b { color: var(--mint-2); font-weight: 400; }
.engine-meter .bar { height: 2px; background: color-mix(in oklab, var(--paper) 18%, transparent); position: relative; }
.engine-meter .bar i {
  display: block; height: 100%;
  background: linear-gradient(90deg, var(--mint), var(--blue));
  width: 100%;
  transition: width 0.4s var(--ease-out);
}

/* ============ Section 03: Identity Memory Graph — editorial column spread ============ */
.s-identity {
  padding: 0 var(--pad) 0;
  position: relative;
}
.identity-frame {
  max-width: var(--max);
  margin: 0 auto;
  padding-top: 60px;
  border-top: 1px solid var(--ink-rule);
  display: grid;
  grid-template-columns: 1fr;
}

.identity-head {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 40px;
  align-items: end;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--ink-rule);
}
.identity-head .num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 96px;
  line-height: 0.8;
  background: linear-gradient(180deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.identity-head h2 {
  font-family: var(--serif);
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  max-width: 20ch;
  text-wrap: balance;
}
.identity-head h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.identity-head .meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
  line-height: 1.6;
}

/* Article layout: full graph + 3-column text */
.identity-spread {
  padding: 80px 0 120px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}
.identity-visual-full {
  position: relative;
  aspect-ratio: 16 / 7;
  border: 1px solid var(--ink-rule);
  background: var(--paper-2);
  overflow: hidden;
}
#graphSvg { width: 100%; height: 100%; display: block; }
.identity-visual-full .caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 22px;
  display: flex; justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: linear-gradient(to top, color-mix(in oklab, var(--paper) 70%, transparent), transparent);
}

.identity-cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--ink-rule);
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
}
.identity-cols .col {
  background: var(--paper);
  padding: 30px 26px;
}
.identity-cols .col .key {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
}
.identity-cols .col .n {
  font-family: var(--serif);
  font-style: italic;
  font-size: 60px;
  line-height: 0.9;
  letter-spacing: -0.025em;
}
.identity-cols .col .lab {
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.identity-cols .col p {
  margin-top: 14px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* ============ Section 04: Intrinsic Motivation — diagrammatic ============ */
.s-motivation {
  padding: 140px var(--pad);
  background: var(--paper-2);
  border-top: 1px solid var(--ink-rule);
  border-bottom: 1px solid var(--ink-rule);
  position: relative;
  overflow: hidden;
}
.motiv-frame {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.motiv-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  border-bottom: 1px solid var(--ink-rule);
  padding-bottom: 28px;
  margin-bottom: 80px;
}
.motiv-head h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 78px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 20ch;
  text-wrap: balance;
}
.motiv-head h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.motiv-head .pinmark {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
  line-height: 1.7;
}
.motiv-head .pinmark .rn {
  font-family: var(--serif);
  font-size: 32px;
  font-style: italic;
  color: var(--ink);
  display: block;
  margin-top: 4px;
}

.motiv-diagram {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 0;
  position: relative;
  min-height: 600px;
}
.motiv-svg {
  grid-column: 1 / span 7;
  grid-row: 1 / 5;
  position: relative;
}
#orbitSvg { width: 100%; height: 100%; display: block; }
.motiv-center-lbl {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  text-align: center;
  pointer-events: none;
}
.motiv-center-lbl .v { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-faint); }
.motiv-center-lbl .n {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.025em;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 6px 0;
}

.motiv-rewards {
  grid-column: 8 / -1;
  grid-row: 1 / 5;
  align-self: center;
  padding-left: 60px;
  border-left: 1px solid var(--ink-rule);
  display: grid;
  gap: 0;
}
.motiv-rewards .r {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-rule);
  align-items: start;
}
.motiv-rewards .r:first-child { border-top: 1px solid var(--ink-rule); }
.motiv-rewards .r .k {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--blue);
  padding-top: 4px;
}
.motiv-rewards .r .h {
  font-family: var(--serif);
  font-style: italic;
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.motiv-rewards .r .d {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* ============ Section 05: Dream State — horizontal scroll filmstrip ============ */
.s-dream {
  background: var(--night);
  color: var(--paper);
  padding: 0;
  position: relative;
  overflow: hidden;
}
.dream-marquee-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, color-mix(in oklab, var(--mint) 12%, transparent), transparent 70%);
  pointer-events: none;
}
.s-dream::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(180deg, transparent, transparent 100px, color-mix(in oklab, var(--paper) 4%, transparent) 100px, color-mix(in oklab, var(--paper) 4%, transparent) 101px);
  pointer-events: none;
}
.dream-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 160px var(--pad) 120px;
  position: relative;
}
.dream-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: end;
  margin-bottom: 100px;
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
  padding-bottom: 40px;
}
.dream-head h2 {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 120px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  max-width: 18ch;
  text-wrap: balance;
}
.dream-head h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--mint-2), var(--blue-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dream-head .lede {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.8vw, 28px);
  line-height: 1.3;
  color: color-mix(in oklab, var(--paper) 80%, transparent);
  max-width: 32ch;
  text-wrap: balance;
}

.dream-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: color-mix(in oklab, var(--paper) 14%, transparent);
  border-top: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--paper) 18%, transparent);
}
.dream-panel {
  background: var(--night);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  min-height: 520px;
  position: relative;
  overflow: hidden;
}
.dream-panel .frame-no {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint-2);
  display: flex; justify-content: space-between;
}
.dream-panel h4 {
  font-family: var(--serif);
  font-size: 38px;
  line-height: 1.02;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
.dream-panel h4 em {
  font-style: italic;
  color: var(--mint-2);
}
.dream-panel p {
  font-size: 14.5px;
  line-height: 1.6;
  color: color-mix(in oklab, var(--paper) 70%, transparent);
  max-width: 38ch;
}
.dream-panel .vizbox {
  margin-top: auto;
  height: 150px;
  border-top: 1px solid color-mix(in oklab, var(--paper) 14%, transparent);
  padding-top: 18px;
  position: relative;
}
.dream-panel .vizbox canvas { width: 100%; height: 100%; display: block; }

/* ============ Section 06: Capability Mesh — schematic ============ */
.s-mesh {
  padding: 160px var(--pad);
  position: relative;
}
.mesh-frame {
  max-width: var(--max);
  margin: 0 auto;
}
.mesh-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: end;
  border-bottom: 1px solid var(--ink-rule);
  padding-bottom: 36px;
  margin-bottom: 80px;
}
.mesh-head h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5.4vw, 86px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 16ch;
  text-wrap: balance;
}
.mesh-head h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.mesh-head p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 44ch;
}

.mesh-stage {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: stretch;
}
.mesh-visual {
  position: relative;
  aspect-ratio: 1 / 0.8;
  background: var(--paper-2);
  border: 1px solid var(--ink-rule);
  overflow: hidden;
}
#meshSvg { width: 100%; height: 100%; display: block; }
.mesh-visual .corner-label {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px;
  color: var(--ink);
}
.mesh-visual .corner-label.tl { top: 0; left: 0; }
.mesh-visual .corner-label.br { bottom: 0; right: 0; text-align: right; }
.mesh-visual .corner-label b { color: var(--blue); font-weight: 400; }

.mesh-list {
  display: grid; gap: 0;
  border-top: 1px solid var(--ink-rule);
}
.mesh-list .item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 22px;
  padding: 22px 0;
  border-bottom: 1px solid var(--ink-rule);
  align-items: start;
}
.mesh-list .ic {
  font-family: var(--serif);
  font-style: italic;
  font-size: 36px;
  color: var(--blue);
  line-height: 0.9;
}
.mesh-list .ti {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.mesh-list .sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.mesh-list .tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  padding-top: 6px;
}

/* ============ Section 07: Migration — cinematic timeline ============ */
.s-migration {
  padding: 0;
  position: relative;
  background: var(--paper-2);
  border-top: 1px solid var(--ink-rule);
}
.migration-head-band {
  padding: 100px var(--pad) 60px;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  border-bottom: 1px solid var(--ink-rule);
}
.migration-head-band h2 {
  font-family: var(--serif);
  font-size: clamp(44px, 6vw, 100px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  max-width: 14ch;
  text-wrap: balance;
}
.migration-head-band h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.migration-head-band p {
  font-size: 17px;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 46ch;
}

.migration-rail {
  padding: 120px var(--pad);
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.migration-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.migration-track::before {
  content: '';
  position: absolute;
  top: 78px;
  left: 0; right: 0;
  height: 1px;
  background: var(--ink-rule);
  z-index: 0;
}
.migration-stop {
  padding: 0 14px;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.migration-stop .dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--ink);
  margin: 70px 0 16px;
  align-self: flex-start;
  position: relative;
}
.migration-stop.live .dot {
  background: var(--blue);
  border-color: var(--blue);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--blue) 18%, transparent);
}
.migration-stop .meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex; justify-content: space-between;
  align-items: baseline;
}
.migration-stop .meta b { color: var(--blue); font-weight: 400; }
.migration-stop.live .meta b { color: var(--mint); }
.migration-stop .name {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.migration-stop .name em {
  font-style: italic;
}
.migration-stop .spec {
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.migration-stop .bar {
  height: 3px;
  background: var(--paper-3);
  position: relative;
  margin-top: 4px;
}
.migration-stop .bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--mint), var(--blue));
  width: var(--p, 50%);
}
.migration-stop .pct {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
}

.migration-stream-svg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.migration-band-foot {
  padding: 60px var(--pad) 120px;
  max-width: var(--max);
  margin: 0 auto;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(24px, 2.4vw, 36px);
  line-height: 1.3;
  letter-spacing: -0.015em;
  max-width: min(64ch, 100% - 2 * var(--pad));
  margin-inline: auto;
  border-top: 1px solid var(--ink-rule);
  padding-top: 60px;
  text-wrap: balance;
}
.migration-band-foot em {
  font-style: normal;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ============ Section 08: Spec sheet ============ */
.s-spec {
  padding: 160px var(--pad);
  position: relative;
}
.spec-frame {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 80px;
}
.spec-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  border-bottom: 1px solid var(--ink-rule);
  padding-bottom: 32px;
}
.spec-head h2 {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 72px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 18ch;
  text-wrap: balance;
}
.spec-head h2 em {
  font-style: italic;
  background: linear-gradient(120deg, var(--blue), var(--mint));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.spec-head .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  text-align: right;
  line-height: 1.7;
}

.spec-table {
  display: grid;
  grid-template-columns: 70px 1fr 2.4fr 110px;
  gap: 0;
}
.spec-table .row {
  display: contents;
}
.spec-table .row > * {
  padding: 22px 12px;
  border-bottom: 1px solid var(--ink-rule);
  align-self: center;
}
.spec-table .row:first-child > * { border-top: 1px solid var(--ink-rule); }
.spec-table .row .rn {
  font-family: var(--serif);
  font-style: italic;
  font-size: 24px;
  color: var(--ink-faint);
  padding-left: 0;
}
.spec-table .row .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}
.spec-table .row .v {
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.spec-table .row .v em { font-style: italic; }
.spec-table .row .t {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--blue);
  text-align: right;
  padding-right: 0;
}

/* ============ Section 09: CTA — wide editorial spread ============ */
.s-cta {
  padding: 200px var(--pad) 220px;
  background: var(--night);
  color: var(--paper);
  border-top: 1px solid var(--ink-rule);
  position: relative;
  overflow: hidden;
}
.s-cta::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 60% at 80% 40%, color-mix(in oklab, var(--blue) 22%, transparent), transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 70%, color-mix(in oklab, var(--mint) 18%, transparent), transparent 60%);
  pointer-events: none;
}
.cta-frame {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 80px;
  align-items: center;
}
.cta-frame .cta-h {
  font-family: var(--serif);
  font-size: clamp(64px, 11vw, 200px);
  line-height: 0.84;
  letter-spacing: -0.045em;
  text-wrap: balance;
}
.cta-frame .cta-h em {
  font-style: italic;
  background: linear-gradient(120deg, var(--mint-2), var(--blue-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta-right .lab {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: color-mix(in oklab, var(--paper) 60%, transparent);
  margin-bottom: 24px;
  display: block;
}
.cta-right p {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(20px, 1.6vw, 24px);
  line-height: 1.35;
  margin-bottom: 36px;
  color: color-mix(in oklab, var(--paper) 90%, transparent);
}
.cta-right .actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}
.btn-arrow {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 22px 30px;
  border: 1px solid color-mix(in oklab, var(--paper) 30%, transparent);
  background: transparent;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  min-width: 280px;
  justify-content: space-between;
}
.btn-arrow.primary {
  background: var(--paper);
  color: var(--night);
  border-color: var(--paper);
}
.btn-arrow:hover { transform: translateX(6px); }
.btn-arrow.primary:hover { background: var(--mint); border-color: var(--mint); }
.btn-arrow .ar {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
}

/* ============ Footer ============ */
.foot {
  padding: 60px var(--pad);
  border-top: 1px solid var(--ink-rule);
  background: var(--paper);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  position: relative;
  z-index: 2;
}
.foot .brand-block {
  font-family: var(--serif);
  font-style: italic;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.03em;
  text-transform: none;
  color: var(--ink);
}
.foot .brand-block small {
  display: block;
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.22em;
  margin-top: 16px;
  color: var(--ink-faint);
  text-transform: uppercase;
}
.foot .col { display: flex; flex-direction: column; gap: 12px; }
.foot .col b { color: var(--ink); font-weight: 400; }
.foot a { transition: color 0.3s; }
.foot a:hover { color: var(--blue); }

/* ============ Status ticker bottom (kept slim) ============ */
.ticker {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 40;
  padding: 10px var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  pointer-events: none;
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--ink-rule);
}
.ticker .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  display: inline-block;
  margin-right: 8px;
  vertical-align: middle;
  animation: pulse-dot 1.6s var(--ease-in-out) infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 0.4; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}
.ticker .group { display: flex; gap: 28px; }

/* ============ Cursor ============ */
#cursor {
  position: fixed;
  width: 14px; height: 14px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  pointer-events: none;
  z-index: 1000;
  transform: translate(-50%, -50%);
  transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out), background 0.3s, border-color 0.3s;
  mix-blend-mode: difference;
}
#cursor.lg { width: 60px; height: 60px; background: color-mix(in oklab, var(--blue) 30%, transparent); border-color: var(--blue); }
@media (pointer: coarse) { #cursor { display: none; } }

/* ============ Reveal helpers ============ */
.fade-up { opacity: 0; transform: translateY(40px); }
.word-reveal-target .word { display: inline-block; }

/* ============ Card animation base ============ */
[data-card] {
  opacity: 0;
  transform: translateY(60px) scale(0.97);
  transition: none; /* driven by GSAP */
  will-change: transform, opacity;
}
[data-card-slow] {
  opacity: 0;
  transform: translateY(80px);
  will-change: transform, opacity;
}

/* Chapter open pull-quote style */
.chapter-open .inner {
  position: relative;
}
.chapter-open::after {
  content: '';
  position: absolute;
  left: var(--pad);
  bottom: 0;
  right: var(--pad);
  height: 1px;
  background: var(--ink-rule);
}

/* Parallax layers */
.parallax-fast { will-change: transform; }
.parallax-slow { will-change: transform; }

/* Horizontal scroll hint for marquee */
.marquee {
  background: var(--paper);
  position: relative;
  z-index: 3;
}

/* Striped section dividers */
.stripe-band {
  height: 4px;
  background: repeating-linear-gradient(
    90deg,
    var(--blue) 0, var(--blue) 20px,
    var(--mint) 20px, var(--mint) 40px,
    transparent 40px, transparent 60px
  );
  opacity: 0.35;
}

/* Invert marquee */
.marquee.dark-marquee {
  background: var(--night);
}
.marquee.dark-marquee .track {
  color: var(--paper);
}

/* Section number pull — decorative large numeral behind chapter heading */
.chapter-open {
  overflow: hidden;
}
.chapter-bg-num {
  position: absolute;
  right: var(--pad);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(160px, 22vw, 400px);
  line-height: 1;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1px var(--ink-rule);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* ============ Responsive ============ */
@media (max-width: 1100px) {
  .hero-title { grid-template-columns: 1fr; }
  .hero-title .meta { justify-self: start; text-align: left; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-grid .vline { display: none; }
  .hero-grid > .col.left { padding-right: 0; padding-bottom: 28px; border-bottom: 1px solid var(--ink-rule); }
  .hero-grid > .col.right { padding-left: 0; padding-top: 28px; }

  .heart-layout, .engine-inner, .mesh-stage, .migration-head-band, .mesh-head, .spec-head, .cta-frame, .dream-head { grid-template-columns: 1fr; gap: 40px; }
  .motiv-diagram { grid-template-columns: 1fr; min-height: auto; }
  .motiv-svg { grid-column: 1 / -1; grid-row: auto; min-height: 480px; }
  .motiv-rewards { grid-column: 1 / -1; grid-row: auto; padding-left: 0; border-left: none; }
  .identity-cols { grid-template-columns: repeat(2, 1fr); }
  .dream-strip, .migration-track { grid-template-columns: 1fr; }
  .migration-track::before { display: none; }
  .chapter-open .inner { grid-template-columns: 1fr; gap: 30px; }
  .foot { grid-template-columns: 1fr 1fr; }
  .dossier { grid-template-columns: repeat(2, 1fr); }
  .hero-glyph { display: none; }
  .spec-table { grid-template-columns: 50px 1fr 1.6fr 80px; }
  .dossier-nav { grid-template-columns: 1fr auto; }
  .dossier-nav .l { display: none; }
}