/*
  ATTENTION ATLAS v2
  A visual system built around one rule:
  gold = selected, cyan = reoriented, paper = argued, night = possible / omitted.
*/
:root {
  --night: #09080f;
  --night-2: #100e17;
  --night-3: #17131f;
  --panel: #15121d;
  --panel-2: #1c1724;
  --ink: #f4f1e8;
  --ink-soft: #c7c2cf;
  --muted: #8c8799;
  --muted-2: #6f697a;
  --gold: #efa800;
  --gold-2: #ffc342;
  --gold-wash: rgba(239, 168, 0, .15);
  --cyan: #64d2df;
  --cyan-wash: rgba(100, 210, 223, .14);
  --paper: #f3f0e7;
  --paper-2: #e9e4d8;
  --paper-ink: #15131a;
  --paper-soft: #45414c;
  --danger: #e77c66;
  --line: rgba(244, 241, 232, .105);
  --line-strong: rgba(244, 241, 232, .21);
  --paper-line: rgba(21, 19, 26, .14);
  --serif-display: "Fraunces", Georgia, serif;
  --serif-body: "Spectral", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --shell: 74rem;
  --shell-wide: 92rem;
  --header-h: 64px;
  --ease: cubic-bezier(.2, .75, .25, 1);
  --shadow: 0 30px 100px rgba(0, 0, 0, .34);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 22px); background: var(--night); }
body {
  margin: 0;
  background: var(--night);
  color: var(--ink);
  font: 400 clamp(17px, .28vw + 16px, 20px)/1.67 var(--serif-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: .22;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.83' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
}
::selection { background: var(--gold); color: #0a0910; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
[hidden] { display: none !important; }
a { color: inherit; }
button, select, input { font: inherit; }
button { color: inherit; }
img, svg { max-width: 100%; }

.shell { width: min(100%, var(--shell)); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 3.2rem); }
.shell--wide { width: min(100%, var(--shell-wide)); }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 10000; background: var(--gold); color: #0a0910; padding: .7rem 1rem; font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .08em; text-decoration: none; }
.skip-link:focus { top: 1rem; }
.reading-progress { position: fixed; inset: 0 0 auto; z-index: 500; height: 2px; pointer-events: none; }
.reading-progress span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--gold), var(--cyan)); transform-origin: left; }

.eyebrow {
  margin: 0 0 .9rem;
  color: var(--cyan);
  font: 500 .66rem/1.4 var(--mono);
  text-transform: uppercase;
  letter-spacing: .19em;
}
.eyebrow::before { content: ""; display: inline-block; width: 1.5rem; border-top: 1px solid currentColor; margin: 0 .7rem .2em 0; opacity: .65; }
h1, h2, h3, p { overflow-wrap: break-word; }
h1, h2, h3 { font-family: var(--serif-display); font-weight: 430; letter-spacing: -.025em; }
h2 { margin: 0; font-size: clamp(2.2rem, 5vw, 5.3rem); line-height: .98; }
h3 { margin: 0; font-size: clamp(1.75rem, 3.2vw, 3.15rem); line-height: 1.03; }
.text-button {
  border: 0;
  padding: 0 0 .2rem;
  background: transparent;
  border-bottom: 1px solid currentColor;
  color: var(--gold);
  font: 500 .72rem var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  cursor: pointer;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .78rem 1.15rem;
  border: 1px solid transparent;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: .08em;
  font: 600 .7rem var(--mono);
  cursor: pointer;
  transition: transform .22s var(--ease), background .22s, border-color .22s, color .22s;
}
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--gold); color: #100d05; }
.button--ghost { border-color: var(--line-strong); background: transparent; color: var(--ink-soft); }
.button--ghost:hover { border-color: var(--gold); color: var(--ink); }

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 400;
  min-height: var(--header-h);
  background: rgba(9, 8, 15, .78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px) saturate(1.25);
  transition: border-color .25s, background .25s;
}
.site-header.scrolled { border-bottom-color: var(--line); background: rgba(9, 8, 15, .93); }
.header-inner { min-height: var(--header-h); padding: 0 clamp(1rem, 3vw, 2rem); display: grid; grid-template-columns: auto minmax(8rem, 1fr) auto auto auto; gap: 1.4rem; align-items: center; }
.brand { display: flex; gap: .7rem; align-items: center; text-decoration: none; font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .13em; }
.brand-mark { width: 18px; aspect-ratio: 1; border: 4px solid var(--gold); border-right-color: transparent; border-radius: 50%; transform: rotate(-25deg); position: relative; }
.brand-mark::after { content: ""; position: absolute; width: 25px; border-top: 1px solid var(--cyan); transform: rotate(-43deg); top: 6px; left: -8px; }
.current-act { margin: 0; color: var(--muted); font: 400 .62rem var(--mono); text-transform: uppercase; letter-spacing: .1em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.desktop-nav { display: flex; gap: 1.35rem; align-items: center; }
.desktop-nav a, .desktop-nav button, .lang-switch { border: 0; background: none; padding: 0; text-decoration: none; color: var(--muted); font: 500 .61rem var(--mono); text-transform: uppercase; letter-spacing: .1em; cursor: pointer; }
.desktop-nav a:hover, .desktop-nav button:hover, .lang-switch:hover { color: var(--ink); }
.lang-switch { border: 1px solid var(--line-strong); padding: .42rem .55rem; color: var(--gold); }
.header-count { font: 500 .58rem var(--mono); color: var(--muted-2); min-width: 4.5rem; text-align: right; }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; cursor: pointer; place-items: center; }
.menu-button span { position: absolute; width: 17px; border-top: 1px solid var(--ink); }
.menu-button span:first-child { transform: translateY(-4px); }
.menu-button span:last-child { transform: translateY(4px); }

/* Drawers */
dialog.drawer { color: var(--ink); background: var(--night-2); border: 0; margin: 0 0 0 auto; width: min(94vw, 660px); max-width: none; height: 100dvh; max-height: none; padding: 0; box-shadow: -30px 0 100px rgba(0,0,0,.55); }
dialog.drawer::backdrop { background: rgba(2, 1, 5, .76); backdrop-filter: blur(6px); }
dialog.drawer[open] { animation: drawer-in .38s var(--ease) both; }
@keyframes drawer-in { from { transform: translateX(100%); opacity: .6; } }
.drawer-head { min-height: 74px; padding: 1.2rem 1.5rem; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.drawer-head strong { display: block; font-family: var(--serif-display); font-size: 1.45rem; font-weight: 450; }
.drawer-head .eyebrow { margin: 0 0 .25rem; }
.icon-button { width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; cursor: pointer; font: 300 1.7rem var(--serif-display); }
.drawer-nav { display: grid; padding: 1rem 1.5rem; }
.drawer-nav a { display: grid; grid-template-columns: 3rem 1fr; padding: .9rem 0; border-bottom: 1px solid var(--line); text-decoration: none; font-family: var(--serif-display); font-size: 1.45rem; }
.drawer-nav span { color: var(--gold); font: 500 .65rem var(--mono); padding-top: .5rem; }
.drawer-actions { padding: 1.25rem 1.5rem; display: flex; gap: .7rem; }
.reference-body { overflow-y: auto; height: calc(100dvh - 74px); padding: .5rem 1.5rem 4rem; }
.reference-body details { border-bottom: 1px solid var(--line); }
.reference-body summary { cursor: pointer; list-style: none; padding: 1.3rem 0; font: 500 .72rem var(--mono); text-transform: uppercase; letter-spacing: .11em; color: var(--gold); }
.reference-body summary::before { content: "+"; float: right; }
.reference-body details[open] summary::before { content: "−"; }
.reference-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); margin: 0 0 1.5rem; border: 1px solid var(--line); }
.reference-grid article { background: var(--night-2); padding: 1rem; }
.reference-grid article > span { color: var(--gold); font: 500 .59rem var(--mono); }
.reference-grid h3 { margin: .3rem 0 .35rem; font-size: 1.12rem; }
.reference-grid p { margin: 0; color: var(--muted); font-size: .88rem; line-height: 1.45; }
.timeline { list-style: none; margin: 0 0 1.5rem; padding: 0; }
.timeline li { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; border-top: 1px solid var(--line); padding: .7rem 0; }
.timeline time { color: var(--gold); font: 500 .66rem var(--mono); }
.timeline span { color: var(--ink-soft); font-size: .9rem; }

/* Hero */
.hero { min-height: 100svh; position: relative; display: grid; align-items: center; overflow: hidden; padding: calc(var(--header-h) + 4.5rem) 0 4rem; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 72% 45%, rgba(239,168,0,.07), transparent 24%), linear-gradient(90deg, rgba(9,8,15,.1), rgba(9,8,15,.72)); }
.hero-stars { position: absolute; inset: 0; pointer-events: none; }
.hero-stars i { position: absolute; left: var(--x); top: var(--y); width: var(--s); height: var(--s); opacity: var(--a); background: #536481; border-radius: 50%; box-shadow: 0 0 calc(var(--s) * 3) currentColor; }
.hero-stars i.gold { background: var(--gold); color: var(--gold); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(330px, .92fr); gap: clamp(2rem, 7vw, 7rem); align-items: center; }
.hero-copy { max-width: 50rem; }
.hero h1 { margin: 0 0 2rem; font-size: clamp(4rem, 10vw, 9.4rem); line-height: .78; letter-spacing: -.055em; font-weight: 360; }
.hero h1 span, .hero h1 em { display: block; }
.hero h1 em { margin-left: clamp(0rem, 8vw, 6rem); font-style: normal; font-weight: 500; white-space: nowrap; position: relative; }
.hero h1 em::after { content: ""; position: absolute; left: -.02em; right: -.02em; bottom: -.03em; height: .19em; background: linear-gradient(90deg, var(--gold-wash), rgba(239,168,0,.5), transparent); z-index: -1; }
.hero-lead { margin: 0 0 1.3rem; max-width: 52ch; color: var(--ink-soft); font-size: clamp(1.1rem, 1.55vw, 1.45rem); }
.hero-thesis { margin: 0; max-width: 65ch; padding: 1rem 0 1rem 1.2rem; border-left: 1px solid var(--gold); color: var(--muted); font-size: .98rem; }
.hero-actions { display: flex; gap: 1.4rem; align-items: center; margin-top: 2rem; }
.cut-ack { margin: .85rem 0 0; color: var(--cyan); font: 500 .63rem var(--mono); letter-spacing: .09em; text-transform: uppercase; opacity: 0; transform: translateY(6px); transition: .4s var(--ease); }
.hero.cut-made .cut-ack { opacity: 1; transform: none; }
.aperture { min-height: min(65vh, 630px); aspect-ratio: 1; position: relative; touch-action: none; cursor: crosshair; isolation: isolate; }
.aperture-field { position: absolute; inset: 4%; border-radius: 50%; overflow: hidden; border: 1px solid var(--line); background: radial-gradient(circle, rgba(29,24,39,.95), rgba(13,11,18,.98) 65%); }
.aperture-field span { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%,-50%) rotate(var(--r)) scale(var(--s)); color: #4d475a; font: 500 .58rem var(--mono); text-transform: uppercase; letter-spacing: .09em; white-space: nowrap; transition: color .25s, text-shadow .25s; }
.aperture-reveal { --px: 50%; --py: 50%; position: absolute; inset: 4%; border-radius: 50%; z-index: 2; pointer-events: none; background: radial-gradient(circle 95px at var(--px) var(--py), transparent 0 55px, rgba(9,8,15,.08) 56px 82px, rgba(9,8,15,.94) 105px); }
.aperture-ring { position: absolute; inset: 14%; z-index: 4; border-radius: 50%; border: clamp(20px, 3.4vw, 48px) solid var(--gold); border-right-color: transparent; transform: rotate(-32deg); box-shadow: 0 0 80px rgba(239,168,0,.08); pointer-events: none; }
.aperture-ring::after { content: ""; position: absolute; width: 140%; border-top: 1px solid var(--cyan); top: 50%; left: -20%; transform: rotate(-39deg); }
.aperture-core { position: absolute; inset: 31%; z-index: 5; display: grid; place-content: center; text-align: center; background: var(--night); border-radius: 50%; padding: 1.2rem; pointer-events: none; }
.aperture-core small { color: var(--gold); font: 500 .58rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.aperture-core p { margin: .5rem 0 0; color: var(--ink-soft); font-size: .82rem; line-height: 1.35; }
.aperture.is-moving .aperture-field span { color: #716a80; }
.scroll-cue { position: absolute; left: 50%; bottom: 1.2rem; width: 32px; height: 48px; transform: translateX(-50%); border: 1px solid var(--line-strong); border-radius: 999px; }
.scroll-cue span { position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); left: 50%; top: 9px; transform: translateX(-50%); animation: scroll-cue 2s infinite; }
@keyframes scroll-cue { 70% { transform: translate(-50%, 22px); opacity: 0; } }

/* Route section */
.routes-section { padding: clamp(5rem, 11vw, 9rem) 0; background: var(--paper); color: var(--paper-ink); }
.routes-section .eyebrow { color: #006a78; }
.section-heading { margin-bottom: 2.5rem; }
.section-heading h2 { max-width: 15ch; }
.section-heading p { max-width: 60ch; margin: 1rem 0 0; color: var(--muted); }
.routes-section .section-heading p { color: #615d67; }
.section-heading--split { display: flex; justify-content: space-between; align-items: end; gap: 2rem; }
.route-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--paper-line); }
.route-card { min-height: 13rem; padding: 1.3rem; text-align: left; border: 0; border-right: 1px solid var(--paper-line); background: transparent; color: var(--paper-ink); cursor: pointer; transition: background .25s, color .25s; }
.route-card:last-child { border-right: 0; }
.route-card:hover, .route-card[aria-pressed="true"] { background: var(--paper-ink); color: var(--paper); }
.route-card > span { color: #8c6200; font: 600 .62rem var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.route-card strong { display: block; margin: 2.2rem 0 .7rem; font-family: var(--serif-display); font-size: 1.55rem; font-weight: 500; line-height: 1.05; }
.route-card p { margin: 0; color: #69636e; font-size: .9rem; line-height: 1.45; }
.route-card:hover p, .route-card[aria-pressed="true"] p { color: #bcb5c2; }
.route-question-label { margin: 2rem 0 .7rem; color: #68626d; font: 500 .65rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.question-routes { display: flex; flex-wrap: wrap; gap: .55rem; }
.question-routes button { min-height: 42px; padding: .55rem .8rem; border: 1px solid var(--paper-line); background: transparent; color: var(--paper-soft); cursor: pointer; font: 500 .67rem var(--mono); letter-spacing: .04em; }
.question-routes button:hover, .question-routes button[aria-pressed="true"] { border-color: #8c6200; background: rgba(239,168,0,.08); color: var(--paper-ink); }
.route-status { min-height: 1.3em; margin: 1rem 0 0; color: #8c6200; font: 500 .65rem var(--mono); }

/* Acts */
.act { position: relative; padding: clamp(6rem, 12vw, 12rem) 0; border-top: 1px solid var(--line); }
.act--threshold { background: linear-gradient(180deg, var(--night), var(--night-2)); }
.act--inside { background: radial-gradient(circle at 15% 25%, rgba(100,210,223,.055), transparent 28%), var(--night); }
.act--between { background: linear-gradient(180deg, var(--night-2), #0d0b12); }
.act--above { background: radial-gradient(circle at 86% 18%, rgba(239,168,0,.055), transparent 26%), var(--night); }
.act--without { background: #07060b; }
.act--answerability { background: linear-gradient(180deg, #07060b, var(--night)); }
.act-intro { display: grid; grid-template-columns: 8rem minmax(0, 1fr) minmax(15rem, .65fr); gap: clamp(1.5rem, 5vw, 5rem); align-items: center; margin-bottom: clamp(4rem, 9vw, 8rem); }
.act-number { font: 400 clamp(3.8rem, 9vw, 8rem)/1 var(--serif-display); color: transparent; -webkit-text-stroke: 1px rgba(244,241,232,.25); }
.act-intro h2 { max-width: 12ch; }
.act-intro > div:nth-child(2) > p:last-child { max-width: 45ch; margin: 1rem 0 0; color: var(--ink-soft); font-size: 1.12rem; }
.act-visual { min-height: 16rem; position: relative; display: flex; gap: .65rem; align-items: center; justify-content: center; color: var(--muted); font: 500 .58rem var(--mono); text-transform: uppercase; letter-spacing: .11em; }
.act-visual i { display: block; width: 3rem; border-top: 1px solid var(--line-strong); position: relative; }
.act-visual i::after { content: ""; position: absolute; right: -1px; top: -3px; border: 3px solid transparent; border-left-color: var(--gold); }
.act-visual::before { content: ""; position: absolute; inset: 13%; border: 1px solid var(--line); border-radius: 50%; }
.act-visual--neural::before { border-radius: 45% 55% 52% 48%; box-shadow: inset 0 0 50px var(--cyan-wash); }
.act-visual--social::before { border-radius: 0; transform: rotate(45deg) scale(.65); }
.act-visual--agenda::before { border-radius: 0; background: repeating-linear-gradient(0deg, transparent 0 15px, var(--line) 15px 16px); }
.act-visual--matrix::before { border-radius: 0; background: repeating-linear-gradient(90deg, transparent 0 24px, var(--line) 24px 25px), repeating-linear-gradient(0deg, transparent 0 24px, var(--line) 24px 25px); }
.act-visual--void::before { border-color: transparent; background: radial-gradient(circle, transparent 0 18%, var(--gold-wash) 18% 28%, transparent 28%); }
.chapter-stack { display: grid; gap: clamp(4rem, 9vw, 8rem); }
.chapter { scroll-margin-top: calc(var(--header-h) + 1.5rem); position: relative; }
.chapter[hidden] { display: none !important; }
.chapter-head { display: grid; grid-template-columns: 6.3rem minmax(0, 1fr) auto; gap: 1.2rem; align-items: start; border-top: 1px solid var(--line-strong); padding-top: 1.25rem; }
.chapter-code span { display: block; color: var(--gold); font: 500 .75rem var(--mono); letter-spacing: .08em; }
.chapter-code small { color: var(--muted-2); font: 500 .55rem var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.chapter-field { margin: 0 0 .4rem; color: var(--cyan); font: 500 .65rem var(--mono); text-transform: uppercase; letter-spacing: .13em; }
.chapter-head h3 { max-width: 22ch; }
.chapter-actions { display: flex; gap: .35rem; }
.chapter-actions button { min-width: 40px; height: 40px; border: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; font: 500 .58rem var(--mono); text-transform: uppercase; }
.chapter-actions button:hover, .chapter-actions button[aria-pressed="true"] { color: var(--gold); border-color: var(--gold); }
.chapter-body { max-width: 45rem; margin: 2.7rem 0 0 clamp(7.5rem, 14vw, 13rem); }
.chapter-body p { margin: 0 0 1.25em; color: var(--ink-soft); }
.chapter-body .chapter-lede { margin: 0 0 1.5em; color: var(--ink); font-family: var(--serif-display); font-size: clamp(1.25rem, 2vw, 1.65rem); line-height: 1.43; }
.chapter-body .chapter-lede::first-letter { color: var(--gold); font-size: 1.35em; }
.chapter blockquote { margin: 2.5rem 0; padding: 0 0 0 1.2rem; border-left: 2px solid var(--gold); }
.chapter blockquote p { margin: 0; color: var(--ink); font-family: var(--serif-display); font-size: clamp(1.55rem, 3vw, 2.4rem); line-height: 1.13; font-style: italic; }
.chapter blockquote cite { display: block; margin-top: .7rem; color: var(--muted); font: 500 .58rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.chapter--satellite { margin-left: clamp(3rem, 8vw, 10rem); padding: clamp(1.8rem, 4vw, 3.2rem); background: var(--panel); border: 1px solid var(--line); }
.chapter--satellite .chapter-head { border-top: 0; padding-top: 0; }
.chapter--satellite .chapter-body { margin-left: clamp(4rem, 9vw, 8rem); }
.chapter--satellite .chapter-body .chapter-lede { font-size: 1.22rem; }
.chapter--satellite blockquote p { font-size: clamp(1.3rem, 2vw, 1.8rem); }
.evidence { max-width: 58rem; margin: 2rem 0 0 clamp(7.5rem, 14vw, 13rem); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.chapter--satellite .evidence { margin-left: clamp(4rem, 9vw, 8rem); }
.evidence summary { padding: .85rem 0; list-style: none; cursor: pointer; color: var(--gold); font: 500 .61rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.evidence summary::after { content: "+"; float: right; }
.evidence[open] summary::after { content: "−"; }
.evidence dl { margin: 0 0 1.2rem; }
.evidence-row { display: grid; grid-template-columns: 10rem 1fr; gap: 1.2rem; padding: .7rem 0; border-top: 1px solid var(--line); }
.evidence dt { color: var(--muted); font: 500 .57rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.evidence dd { margin: 0; color: var(--ink-soft); font-size: .9rem; line-height: 1.5; }
.evidence ol { margin: 0; padding-left: 1rem; }
.evidence li { margin: 0 0 .4rem; }
.evidence a { color: var(--cyan); text-underline-offset: .2em; }

/* Demos */
.demo { margin-top: clamp(5rem, 10vw, 10rem); border: 1px solid var(--line); background: var(--panel); padding: clamp(1.2rem, 4vw, 3rem); }
.demo h3 { font-size: clamp(1.8rem, 3.2vw, 3.1rem); }
.demo > div:first-child > p:last-child, .demo-copy > p:last-child { color: var(--muted); max-width: 46ch; }
.demo-actions { display: flex; gap: .55rem; margin-top: 1rem; }
.demo-actions button, .blind-result button, .qkv-sentence button { border: 1px solid var(--line-strong); background: transparent; color: var(--ink-soft); min-height: 42px; padding: .55rem .8rem; cursor: pointer; font: 500 .64rem var(--mono); }
.demo-actions button:hover, .blind-result button:hover, .qkv-sentence button:hover { border-color: var(--gold); color: var(--ink); }
.gate-demo { margin-top: 2rem; min-height: 13rem; display: grid; grid-template-columns: 1fr 3rem 1fr; align-items: center; gap: 1rem; border: 1px solid var(--line); padding: 1rem; overflow: hidden; }
.gate-flood, .gate-pass { display: flex; flex-wrap: wrap; gap: 8px; align-content: center; min-height: 8rem; }
.gate-flood i, .gate-pass i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted-2); opacity: .45; }
.gate-slit { height: 9rem; width: 1px; background: var(--gold); box-shadow: 0 0 30px rgba(239,168,0,.45); justify-self: center; }
.gate-demo[data-gate-state="flood"] .gate-flood i { animation: gate-pop .55s var(--ease) both; animation-delay: calc(var(--i) * 22ms); background: var(--gold); opacity: .9; }
.gate-demo[data-gate-state="filter"] .gate-flood i { opacity: .17; }
@keyframes gate-pop { from { transform: scale(0); } }
.blind-stage { height: 310px; position: relative; margin: 2rem 0 1rem; border: 1px solid var(--line); background: #0e0c14; overflow: hidden; }
.blind-line { position: absolute; z-index: 2; inset: 0 auto 0 50%; width: 1px; background: rgba(100,210,223,.55); }
.blind-token { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: #465268; }
.blind-token.orange { background: #f17618; box-shadow: 0 0 8px rgba(241,118,24,.3); }
.blind-intruder { position: absolute; z-index: 3; width: 76px; height: 76px; border-radius: 18px; background: #566071; opacity: .96; }
.blind-intruder.marked { outline: 3px solid var(--cyan); box-shadow: 0 0 0 7px var(--cyan-wash); }
.blind-controls { display: flex; flex-wrap: wrap; gap: .6rem; align-items: end; }
.blind-controls label { display: grid; gap: .3rem; color: var(--muted); font: 500 .58rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.blind-controls input { width: 8rem; height: 46px; background: var(--night); border: 1px solid var(--line-strong); color: var(--ink); padding: 0 .7rem; }
.blind-result { margin-top: 1rem; padding: 1rem; border-left: 2px solid var(--cyan); background: var(--cyan-wash); }
.blind-result p { margin: .5rem 0; }
.blind-result > div { display: flex; gap: .5rem; }
.qkv-sentence { display: flex; flex-wrap: wrap; gap: .45rem; margin: 2rem 0 1.2rem; }
.qkv-sentence button { font-size: .75rem; text-transform: none; }
.qkv-sentence button[aria-pressed="true"] { color: #0c0a0e; background: var(--gold); border-color: var(--gold); }
.qkv-matrix { display: grid; gap: .38rem; }
.qkv-row { display: grid; grid-template-columns: minmax(5rem, 8rem) 1fr 3.2rem; gap: .8rem; align-items: center; }
.qkv-row span:first-child { color: var(--muted); font: 500 .61rem var(--mono); overflow: hidden; text-overflow: ellipsis; }
.qkv-bar { height: 11px; background: rgba(244,241,232,.08); }
.qkv-bar i { display: block; width: calc(var(--weight) * 100%); height: 100%; background: linear-gradient(90deg, var(--gold), var(--cyan)); transition: width .5s var(--ease); }
.qkv-row output { font: 500 .61rem var(--mono); color: var(--gold); text-align: right; }
.qkv-output { margin: 1rem 0; padding: .9rem 1rem; border-left: 2px solid var(--gold); color: var(--ink-soft); }
.demo--qkv details { border-top: 1px solid var(--line); }
.demo--qkv summary { padding-top: .8rem; cursor: pointer; color: var(--cyan); font: 500 .62rem var(--mono); text-transform: uppercase; }

/* Map */
.map-section { padding: clamp(6rem, 12vw, 11rem) 0; background: var(--paper); color: var(--paper-ink); }
.map-section .eyebrow { color: #006a78; }
.map-section .section-heading p { color: #67616d; }
.map-legend { display: flex; align-items: center; gap: .5rem; color: #6f6874; font: 500 .6rem var(--mono); text-transform: uppercase; }
.legend-core, .legend-satellite { display: inline-block; border-radius: 50%; width: 10px; height: 10px; margin-left: .7rem; }
.legend-core { background: #17131f; }
.legend-satellite { border: 2px solid #8c6200; }
.projection-bar { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1rem; }
.projection-bar button { min-height: 42px; padding: .55rem .8rem; border: 1px solid var(--paper-line); background: transparent; color: #65606a; cursor: pointer; font: 500 .65rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.projection-bar button[aria-pressed="true"] { background: var(--paper-ink); color: var(--paper); }
.map-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(20rem, .55fr); min-height: 720px; border: 1px solid var(--paper-line); }
.atlas-map { min-height: 720px; position: relative; overflow: hidden; background: linear-gradient(180deg, rgba(21,19,26,.02), transparent), radial-gradient(circle at 50% 52%, rgba(239,168,0,.08), transparent 28%); }
.atlas-map::before { content: ""; position: absolute; inset: 2.5rem; border: 1px solid rgba(21,19,26,.07); background-image: linear-gradient(rgba(21,19,26,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(21,19,26,.035) 1px, transparent 1px); background-size: 8.333% 14.285%; }
#map-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.map-link { stroke: rgba(21,19,26,.11); stroke-width: 1; vector-effect: non-scaling-stroke; transition: stroke .25s, stroke-width .25s; }
.map-link.active { stroke: #8c6200; stroke-width: 1.7; }
.map-node { --x: 50%; --y: 50%; position: absolute; left: var(--x); top: var(--y); transform: translate(-50%,-50%); z-index: 2; display: grid; justify-items: center; gap: .34rem; width: 8.6rem; border: 0; background: none; color: var(--paper-ink); cursor: pointer; transition: left .65s var(--ease), top .65s var(--ease), opacity .25s, transform .25s; }
.map-node:hover, .map-node.selected, .map-node.compare { z-index: 4; transform: translate(-50%,-50%) scale(1.07); }
.map-node-dot { width: 13px; height: 13px; border-radius: 50%; background: var(--paper-ink); box-shadow: 0 0 0 5px rgba(21,19,26,.08); }
.map-node.satellite .map-node-dot { background: var(--paper); border: 2px solid #8c6200; }
.map-node.selected .map-node-dot { background: var(--gold); box-shadow: 0 0 0 8px rgba(239,168,0,.16); }
.map-node.compare .map-node-dot { background: var(--cyan); border-color: #006a78; box-shadow: 0 0 0 8px rgba(100,210,223,.2); }
.map-node-label { padding: .18rem .35rem; background: rgba(243,240,231,.82); color: #3f3a44; font: 500 .55rem/1.25 var(--mono); text-transform: uppercase; letter-spacing: .035em; text-align: center; }
.map-node.dim { opacity: .18; }
.map-axis { position: absolute; color: #8b8490; font: 500 .55rem var(--mono); text-transform: uppercase; letter-spacing: .07em; pointer-events: none; }
.map-axis--x { left: 3rem; right: 3rem; bottom: 1rem; display: flex; justify-content: space-between; }
.map-axis-y { position: absolute; left: .8rem; color: #8b8490; font: 500 .55rem var(--mono); text-transform: uppercase; writing-mode: vertical-rl; }
.map-axis-y--top { top: 3rem; }
.map-axis-y--bottom { bottom: 3rem; transform: rotate(180deg); }
.map-panel { padding: 1.5rem; border-left: 1px solid var(--paper-line); background: rgba(255,255,255,.28); }
.map-panel .panel-code { color: #8c6200; font: 600 .62rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.map-panel h3 { margin: .5rem 0 .8rem; font-size: clamp(1.65rem, 2.8vw, 2.45rem); }
.map-panel > p { color: #56515c; font-size: .95rem; }
.map-panel-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.2rem 0; }
.map-panel-actions button, .map-panel-actions a { min-height: 42px; padding: .55rem .72rem; border: 1px solid var(--paper-line); background: transparent; color: var(--paper-soft); text-decoration: none; cursor: pointer; font: 500 .61rem var(--mono); text-transform: uppercase; }
.map-panel-actions .primary { background: var(--paper-ink); color: var(--paper); }
.map-panel h4 { margin: 1.4rem 0 .5rem; font: 600 .61rem var(--mono); text-transform: uppercase; letter-spacing: .08em; color: #8c6200; }
.relation-list { display: grid; gap: .4rem; }
.relation-list button { text-align: left; padding: .65rem; border: 1px solid var(--paper-line); background: transparent; color: #57515c; cursor: pointer; font: inherit; font-size: .88rem; }
.relation-list button strong { display: block; margin-bottom: .15rem; color: var(--paper-ink); font-family: var(--serif-display); font-weight: 500; }
.compare-break { padding: .9rem; border-left: 3px solid #006a78; background: rgba(100,210,223,.11); color: #3e4850; }
.cut-list { display: grid; gap: 1px; background: var(--paper-line); border: 1px solid var(--paper-line); }
.cut-list div { background: var(--paper); padding: .55rem .65rem; }
.cut-list dt { color: #8c6200; font: 600 .54rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.cut-list dd { margin: .15rem 0 0; color: #4e4853; font-size: .86rem; }
.map-fallback { margin-top: 1rem; border: 1px solid var(--paper-line); }
.map-fallback summary { padding: .7rem; cursor: pointer; font: 500 .62rem var(--mono); color: #6d6571; }
.map-fallback-list { padding: .7rem; display: flex; flex-wrap: wrap; gap: .35rem; }
.map-fallback-list button { border: 1px solid var(--paper-line); background: transparent; padding: .4rem; cursor: pointer; }

/* Synthesis */
.synthesis-section { padding: clamp(6rem, 12vw, 11rem) 0; background: var(--paper); color: var(--paper-ink); border-top: 1px solid var(--paper-line); }
.synthesis-section .eyebrow { color: #006a78; }
.synthesis-section .section-heading p { color: #625d67; }
.anatomy-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2rem 0; }
.anatomy-controls label { display: grid; gap: .35rem; color: #77717b; font: 500 .6rem var(--mono); text-transform: uppercase; letter-spacing: .07em; }
.anatomy-controls select { min-height: 50px; background: transparent; border: 1px solid var(--paper-line); color: var(--paper-ink); padding: 0 .8rem; }
.anatomy-grid { display: grid; grid-template-columns: 9rem 1fr 1fr; border: 1px solid var(--paper-line); }
.anatomy-grid > div { min-height: 5rem; padding: .85rem; border-right: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line); }
.anatomy-grid > div:nth-child(3n) { border-right: 0; }
.anatomy-grid .anat-label { color: #8c6200; font: 600 .57rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.anatomy-grid .anat-head { font-family: var(--serif-display); font-size: 1.15rem; font-weight: 500; }
.anatomy-grid .anat-cell { color: #45404a; font-family: var(--serif-display); font-style: italic; font-size: 1.05rem; }
.anatomy-break { margin-top: 1.2rem; padding: 1.1rem; border-left: 3px solid #006a78; background: rgba(100,210,223,.1); }
.anatomy-break strong { display: block; margin-bottom: .35rem; color: #006a78; font: 600 .59rem var(--mono); text-transform: uppercase; }
.anatomy-break p { margin: 0; color: #454b52; }

/* Personal traces */
.personal-section { padding: clamp(6rem, 12vw, 11rem) 0; background: var(--night-2); }
.personal-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1rem; }
.trace-card, .blind-card { border: 1px solid var(--line); background: var(--panel); padding: clamp(1.2rem, 3vw, 2rem); }
.trace-summary { min-height: 3rem; margin-bottom: 1rem; color: var(--ink-soft); }
.trace-summary strong { display: block; color: var(--ink); font-family: var(--serif-display); font-size: 1.5rem; }
.trace-map { min-height: 340px; position: relative; border: 1px solid var(--line); background: radial-gradient(circle, rgba(239,168,0,.08), transparent 40%); }
.trace-dot { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%,-50%); width: 7px; height: 7px; border: 1px solid var(--muted); border-radius: 50%; background: transparent; }
.trace-dot.seen { border-color: #65718b; }
.trace-dot.dwelled { width: 11px; height: 11px; background: var(--gold); border-color: var(--gold); box-shadow: 0 0 0 5px var(--gold-wash); }
.trace-dot.saved::after { content: ""; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); right: -5px; top: -5px; }
.trace-legend { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .8rem; color: var(--muted); font: 500 .57rem var(--mono); text-transform: uppercase; }
.trace-legend span { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: -.5rem; }
.trace-seen { border: 1px solid #65718b; }
.trace-dwelled { background: var(--gold); }
.trace-saved { background: var(--cyan); }
.blind-card h3 { font-size: clamp(1.7rem, 2.8vw, 2.6rem); }
.blind-card > p { color: var(--muted); }
.blind-spots-list { display: grid; gap: .4rem; margin: 1.2rem 0; }
.blind-spots-list button { text-align: left; border: 1px solid var(--line); background: transparent; color: var(--ink-soft); padding: .65rem; cursor: pointer; }
.blind-spots-list button:hover { border-color: var(--gold); }
.atlas-limits { margin-top: 2rem; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.atlas-limits p { margin: 0; padding: 1.1rem; border-right: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.atlas-limits p:last-child { border-right: 0; }
.atlas-limits span { display: block; margin-bottom: 1rem; color: var(--gold); font: 500 .61rem var(--mono); }

/* Closing and sources */
.closing { min-height: 85svh; position: relative; display: grid; place-items: center; text-align: center; overflow: hidden; }
.closing-orbit { position: absolute; width: min(72vw, 720px); aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; }
.closing-orbit::before { content: ""; position: absolute; inset: 21%; border: clamp(18px, 3vw, 40px) solid var(--gold); border-right-color: transparent; border-radius: 50%; transform: rotate(-30deg); }
.closing-orbit::after { content: ""; position: absolute; width: 112%; left: -6%; top: 49%; border-top: 1px solid var(--cyan); transform: rotate(-34deg); }
.closing .shell { position: relative; z-index: 2; max-width: 54rem; }
.closing .eyebrow { justify-content: center; }
.closing h2 { margin-inline: auto; max-width: 15ch; }
.closing p { margin: 1.3rem auto; max-width: 54ch; color: var(--ink-soft); }
.closing strong { display: block; margin-top: 2rem; color: var(--gold); font-family: var(--serif-display); font-size: clamp(1.2rem, 2.2vw, 1.7rem); font-weight: 500; }
.sources-section { padding: clamp(5rem, 10vw, 9rem) 0; background: var(--paper); color: var(--paper-ink); }
.sources-section .eyebrow { color: #006a78; }
.sources-section .section-heading p { color: #625d67; }
.source-library { border-top: 1px solid var(--paper-line); }
.source-library summary { padding: 1rem 0; cursor: pointer; color: #8c6200; font: 600 .65rem var(--mono); text-transform: uppercase; }
.source-library ol { columns: 2; column-gap: 3rem; padding-left: 1.2rem; }
.source-library li { break-inside: avoid; margin: 0 0 .7rem; color: #69626e; font-size: .83rem; line-height: 1.45; }
.source-library a { color: #3d4853; text-underline-offset: .2em; }
footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem clamp(1.25rem,4vw,3rem); border-top: 1px solid var(--line); color: var(--muted); font: 500 .59rem var(--mono); text-transform: uppercase; letter-spacing: .07em; }
footer p { margin: 0; }
footer a { color: var(--gold); }

/* Route filtering states */
body.route-filtering .chapter:not(.route-included) { display: none; }
body.route-filtering .map-node:not(.route-included) { opacity: .15; }
body.route-filtering .act[data-has-route="false"] { display: none; }

/* Responsive */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr .72fr; gap: 2rem; }
  .hero h1 em { white-space: normal; }
  .route-grid { grid-template-columns: repeat(2, 1fr); }
  .route-card:nth-child(2) { border-right: 0; }
  .route-card:nth-child(-n+2) { border-bottom: 1px solid var(--paper-line); }
  .map-layout { grid-template-columns: 1fr; }
  .map-panel { border-left: 0; border-top: 1px solid var(--paper-line); min-height: 22rem; }
  .atlas-map { min-height: 620px; }
  .act-intro { grid-template-columns: 5rem 1fr; }
  .act-visual { grid-column: 2; min-height: 10rem; }
}

@media (max-width: 820px) {
  :root { --header-h: 56px; }
  .header-inner { min-height: var(--header-h); grid-template-columns: auto 1fr auto auto; gap: .65rem; }
  .desktop-nav, .lang-switch { display: none; }
  .menu-button { display: grid; }
  .header-count { grid-column: 2; grid-row: 1; justify-self: end; padding-right: .5rem; }
  .current-act { grid-column: 2; grid-row: 1; max-width: 46vw; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 5rem); }
  .hero-grid { display: block; }
  .hero h1 { font-size: clamp(3.8rem, 18vw, 7rem); line-height: .82; }
  .hero h1 em { margin-left: 0; }
  .aperture { width: min(100%, 560px); margin: 3rem auto 0; min-height: auto; }
  .scroll-cue { display: none; }
  .section-heading--split { align-items: start; flex-direction: column; }
  .act-intro { grid-template-columns: 3.2rem 1fr; }
  .act-number { font-size: 3.7rem; }
  .chapter-head { grid-template-columns: 4.2rem 1fr; }
  .chapter-actions { grid-column: 2; }
  .chapter-body, .evidence { margin-left: 5.4rem; }
  .chapter--satellite { margin-left: 2rem; }
  .chapter--satellite .chapter-body, .chapter--satellite .evidence { margin-left: 0; }
  .personal-grid { grid-template-columns: 1fr; }
  .atlas-limits { grid-template-columns: 1fr; }
  .atlas-limits p { border-right: 0; border-bottom: 1px solid var(--line); }
  .atlas-limits p:last-child { border-bottom: 0; }
  .source-library ol { columns: 1; }
}

@media (max-width: 600px) {
  body { font-size: 17px; }
  .shell, .shell--wide { padding-inline: 1rem; }
  .brand span:last-child { display: none; }
  .current-act { max-width: 50vw; font-size: .53rem; }
  .header-count { display: none; }
  .header-inner { grid-template-columns: auto 1fr auto; }
  .hero { padding-bottom: 3rem; }
  .hero .eyebrow { max-width: 26ch; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .text-button { align-self: flex-start; }
  .aperture-core p { display: none; }
  .route-grid { grid-template-columns: 1fr; }
  .route-card { min-height: 10rem; border-right: 0; border-bottom: 1px solid var(--paper-line); }
  .route-card:nth-child(2) { border-right: 0; }
  .route-card:last-child { border-bottom: 0; }
  .act { padding-block: 5rem; }
  .act-intro { grid-template-columns: 1fr; gap: .6rem; }
  .act-number { font-size: 2.8rem; }
  .act-visual { grid-column: 1; min-height: 8rem; }
  .chapter-stack { gap: 5rem; }
  .chapter-head { grid-template-columns: 3.3rem 1fr; gap: .7rem; }
  .chapter-head h3 { font-size: 1.75rem; }
  .chapter-body, .evidence { margin: 1.8rem 0 0; }
  .chapter--satellite { margin-left: 0; padding: 1rem; }
  .chapter-actions button:first-child { min-width: 78px; }
  .evidence-row { grid-template-columns: 1fr; gap: .25rem; }
  .demo { padding: 1rem; }
  .gate-demo { grid-template-columns: 1fr 1rem 1fr; }
  .blind-stage { height: 260px; }
  .blind-controls { align-items: stretch; flex-direction: column; }
  .blind-controls label, .blind-controls input { width: 100%; }
  .map-section { padding-block: 5rem; }
  .map-legend { display: none; }
  .atlas-map { min-height: 560px; }
  .atlas-map::before { inset: 1rem; }
  .map-node { width: 6rem; }
  .map-node-label { font-size: .48rem; }
  .map-axis--x { left: 1rem; right: 1rem; }
  .anatomy-controls { grid-template-columns: 1fr; }
  .anatomy-grid { grid-template-columns: 5.2rem 1fr; overflow: hidden; }
  .anatomy-grid > div:nth-child(3n) { border-right: 1px solid var(--paper-line); }
  .anatomy-grid .anat-b { display: none; }
  .trace-map { min-height: 280px; }
  footer { flex-direction: column; }
  .reference-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}

@media (forced-colors: active) {
  .brand-mark, .map-node-dot, .trace-dot { forced-color-adjust: none; }
}

.no-js .menu-button, .no-js .aperture, .no-js .projection-bar, .no-js .chapter-actions, .no-js .personal-section { display: none; }

/* On phones, the map is a field of relations rather than a wall of labels.
   The selected label remains visible; the complete accessible list sits below. */
@media (max-width: 600px) {
  .map-node-label { display: none; }
  .map-node.selected .map-node-label,
  .map-node.compare .map-node-label,
  .map-node:focus-visible .map-node-label { display: block; position: absolute; top: 1.1rem; min-width: 6.4rem; }
}