:root {
  --ink: #182528;
  --ink-soft: #526267;
  --paper: #f2f0e8;
  --paper-deep: #e5e2d7;
  --fog: #f8f7f2;
  --estuary: #27484e;
  --estuary-light: #52767b;
  --oxide: #a24735;
  --amber: #d59728;
  --line: rgba(24, 37, 40, .17);
  --shadow: 0 22px 60px rgba(26, 42, 45, .12);
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .18em; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }

.skip-link { position: fixed; left: 1rem; top: -10rem; z-index: 100; background: var(--fog); padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
.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; }

.prototype-bar {
  display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap;
  padding: .42rem 4vw; color: #fff; background: var(--oxide);
  font-size: .69rem; font-weight: 750; letter-spacing: .09em; text-transform: uppercase;
}
.prototype-bar span + span::before { content: "◆"; margin-right: 1.5rem; font-size: .55rem; opacity: .65; }

.site-header {
  position: sticky; top: 0; z-index: 20; min-height: 78px;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
  padding: .9rem 4vw; background: color-mix(in srgb, var(--paper) 92%, transparent);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(18px);
}
.wordmark { display: grid; text-decoration: none; line-height: 1; }
.wordmark-kicker { margin-bottom: .35rem; color: var(--oxide); font-size: .62rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.wordmark-title { font: 600 clamp(1.18rem, 2vw, 1.55rem)/1 var(--serif); letter-spacing: -.025em; }
.site-header nav { display: flex; align-items: center; gap: clamp(.8rem, 2vw, 1.7rem); font-size: .82rem; font-weight: 680; }
.site-header nav > a:not(.button) { text-decoration: none; }
.site-header nav > a:not(.button):hover, .site-header nav > a[aria-current="page"] { color: var(--oxide); }
.menu-button { display: none; background: none; border: 0; padding: .5rem; }
.menu-button i { display: block; width: 24px; height: 1px; margin: 6px; background: currentColor; }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  min-height: 48px; padding: .75rem 1.15rem; border: 1px solid var(--ink);
  background: var(--ink); color: var(--fog); text-decoration: none; font-size: .77rem;
  font-weight: 790; letter-spacing: .06em; text-transform: uppercase; cursor: pointer;
  transition: transform .18s, background .18s, color .18s;
}
.button:hover { transform: translateY(-2px); background: var(--oxide); border-color: var(--oxide); }
.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { color: var(--fog); }
.button-small { min-height: 38px; padding: .55rem .8rem; font-size: .67rem; }

.hero {
  min-height: min(760px, calc(100vh - 108px)); display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  position: relative; overflow: hidden; background: #dfe3dc;
}
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(242,240,232,.97) 0 34%, rgba(242,240,232,.68) 51%, rgba(242,240,232,.02) 80%); }
.hero-art {
  grid-column: 1 / -1; grid-row: 1; min-height: 680px;
  background-image: radial-gradient(circle at 72% 24%, rgba(255,255,255,.78), transparent 30%), linear-gradient(180deg, #d8ded9 0%, #bfcac7 54%, #6f888b 55%, #34575d 100%);
  background-position: center; background-size: cover;
}
.hero-art::before, .hero-art::after { content: ""; position: absolute; bottom: 10%; width: 2px; height: 31%; background: rgba(24,37,40,.42); box-shadow: 11px 42px 0 -1px rgba(24,37,40,.3), -12px 62px 0 -1px rgba(24,37,40,.25); }
.hero-art::before { right: 24%; } .hero-art::after { right: 33%; height: 24%; }
.hero-copy { position: relative; z-index: 2; grid-column: 1; grid-row: 1; align-self: center; padding: 7vw 0 8vw 8vw; max-width: 720px; }
.eyebrow { margin: 0 0 1rem; color: var(--oxide); font-size: .69rem; font-weight: 820; letter-spacing: .17em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); font-weight: 520; letter-spacing: -.035em; }
h1 { max-width: 780px; margin: 0; font-size: clamp(3.2rem, 7vw, 7.8rem); line-height: .86; }
h2 { margin: 0; font-size: clamp(2.2rem, 4.4vw, 4.9rem); line-height: .98; }
h3 { margin: 0; font-size: clamp(1.35rem, 2vw, 2rem); line-height: 1.08; }
.hero-deck { max-width: 590px; margin: 2rem 0; font: 1.18rem/1.55 var(--serif); }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-index { position: absolute; z-index: 3; right: 3vw; bottom: 2.5rem; max-width: 320px; padding: 1rem 1.2rem; color: #fff; background: rgba(24,37,40,.84); font-size: .72rem; }
.hero-index strong { color: #f0b348; }

.section { padding: clamp(5rem, 9vw, 10rem) 7vw; }
.section-dark { color: var(--fog); background: var(--estuary); }
.section-ink { color: var(--fog); background: var(--ink); }
.section-head { display: grid; grid-template-columns: 1fr minmax(260px, .55fr); align-items: end; gap: 3rem; margin-bottom: 3rem; }
.section-intro { margin: 0; color: var(--ink-soft); font: 1.12rem/1.55 var(--serif); }
.section-dark .section-intro, .section-ink .section-intro { color: rgba(255,255,255,.68); }
.micro-label { font-size: .64rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }

.entrance-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.entrance-card { min-height: 260px; padding: 1.8rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; transition: background .2s, transform .2s; }
.entrance-card:hover { position: relative; z-index: 1; background: var(--fog); transform: translateY(-4px); box-shadow: var(--shadow); }
.entrance-card .number { display: block; margin-bottom: 4rem; color: var(--oxide); font-size: .7rem; font-weight: 800; }
.entrance-card p { max-width: 35ch; color: var(--ink-soft); font-size: .85rem; }
.arrow { display: inline-block; margin-top: 1rem; color: var(--oxide); }

.record-band { display: grid; grid-template-columns: 1fr 1.3fr 1fr; border: 1px solid rgba(255,255,255,.18); }
.record-band > * { padding: 2rem; border-right: 1px solid rgba(255,255,255,.18); }
.record-band > *:last-child { border-right: 0; }
.record-band strong { display: block; margin-bottom: .5rem; font: 3.2rem/1 var(--serif); color: #efb34b; }
.record-band span { color: rgba(255,255,255,.68); font-size: .75rem; }

.book-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(2rem, 8vw, 8rem); align-items: center; }
.book-object { position: relative; max-width: 400px; aspect-ratio: .68; padding: 9%; color: #ede9de; background: var(--estuary); box-shadow: -18px 26px 45px rgba(27,36,35,.2), inset 8px 0 rgba(255,255,255,.08); transform: perspective(900px) rotateY(7deg); }
.book-object::before { content: ""; position: absolute; inset: 18% 0 39%; border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); background: linear-gradient(rgba(255,255,255,.03), transparent); }
.book-object .book-title { position: relative; z-index: 1; display: block; font: 520 clamp(2.5rem, 5vw, 5rem)/.84 var(--serif); letter-spacing: -.06em; }
.book-object .book-subtitle { position: absolute; left: 9%; right: 9%; bottom: 9%; font-size: .7rem; line-height: 1.5; letter-spacing: .12em; text-transform: uppercase; }
.book-copy p { max-width: 58ch; }

.page-hero { padding: clamp(5rem, 9vw, 9rem) 7vw 5rem; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 76% 18%, rgba(82,118,123,.2), transparent 34%), var(--paper); }
.page-hero h1 { max-width: 920px; font-size: clamp(3.1rem, 7vw, 7rem); }
.page-hero .lede { max-width: 720px; margin: 2rem 0 0; font: 1.2rem/1.58 var(--serif); color: var(--ink-soft); }
.page-meta { display: flex; gap: .65rem; flex-wrap: wrap; margin-top: 2rem; }
.pill { display: inline-flex; align-items: center; min-height: 28px; padding: .3rem .65rem; border: 1px solid var(--line); border-radius: 999px; font-size: .65rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.pill-verified { color: #22583c; border-color: rgba(34,88,60,.35); background: rgba(71,133,92,.09); }
.pill-open { color: #7c3c2e; border-color: rgba(162,71,53,.38); background: rgba(162,71,53,.08); }

.article-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr); gap: clamp(3rem, 8vw, 8rem); padding: 5rem 7vw; }
.prose { max-width: 760px; }
.prose > p { font: 1.1rem/1.75 var(--serif); }
.prose h2 { margin: 4rem 0 1.2rem; font-size: clamp(2rem, 3vw, 3.2rem); }
.prose h2:first-child { margin-top: 0; }
.book-figure { margin: 3rem 0; padding: 1rem; background: var(--fog); border: 1px solid var(--line); }
.book-figure img { width: 100%; height: auto; }
.book-figure figcaption { display: grid; grid-template-columns: 170px 1fr; gap: 1rem; padding: 1rem .25rem .15rem; color: var(--ink-soft); font-size: .72rem; }
.book-figure figcaption span { color: var(--oxide); font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.inline-evidence { display: inline-flex; vertical-align: .1em; align-items: center; margin-left: .25rem; padding: .04rem .35rem; border: 1px solid var(--line); border-radius: 3px; color: var(--oxide); font: 700 .62rem/1.5 var(--sans); text-decoration: none; }
.aside-stack { display: grid; align-content: start; gap: 1rem; position: sticky; top: 110px; }
.aside-card { padding: 1.25rem; border-top: 3px solid var(--estuary); background: var(--fog); box-shadow: 0 10px 30px rgba(30,43,42,.06); }
.aside-card p { margin-bottom: 0; color: var(--ink-soft); font-size: .8rem; }

.evidence-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.evidence-card { display: flex; flex-direction: column; min-height: 250px; padding: 1.35rem; background: var(--fog); border: 1px solid var(--line); }
.evidence-card .record-id { margin-bottom: .8rem; color: var(--oxide); font-size: .65rem; font-weight: 800; letter-spacing: .08em; }
.evidence-card h3 { font-size: 1.25rem; }
.evidence-card p { color: var(--ink-soft); font-size: .8rem; }
.evidence-card footer { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--line); }
.evidence-card footer a { font-size: .72rem; font-weight: 760; }
.evidence-card mark { padding: 0 .1em; background: #f5d991; }

.filter-bar { display: grid; grid-template-columns: 1fr auto; gap: .8rem; margin: 2rem 0; }
.search-field { width: 100%; min-height: 52px; padding: .8rem 1rem; color: var(--ink); background: var(--fog); border: 1px solid var(--line); border-radius: 0; }
.filter-row { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 2rem; }
.filter-chip { padding: .5rem .7rem; border: 1px solid var(--line); background: transparent; cursor: pointer; font-size: .7rem; }
.filter-chip[aria-pressed="true"] { color: var(--fog); background: var(--estuary); border-color: var(--estuary); }

.timeline { position: relative; max-width: 980px; margin-left: auto; }
.timeline::before { content: ""; position: absolute; left: 145px; top: 0; bottom: 0; width: 1px; background: var(--line); }
.timeline-item { display: grid; grid-template-columns: 120px 1fr; gap: 50px; position: relative; padding: 0 0 2.7rem; }
.timeline-item::before { content: ""; position: absolute; left: 140px; top: .6rem; width: 11px; height: 11px; border: 2px solid var(--paper); border-radius: 50%; background: var(--oxide); box-shadow: 0 0 0 1px var(--oxide); }
.timeline-date { font: 700 .73rem var(--sans); color: var(--oxide); text-align: right; }
.timeline-content { padding: 0 0 2rem; border-bottom: 1px solid var(--line); }
.timeline-content p { margin-top: .5rem; color: var(--ink-soft); }

.contribution-zone { padding: 4rem 7vw; background: #deded5; border-top: 1px solid var(--line); }
.unchecked-banner { display: flex; gap: 1rem; padding: 1rem; margin: 1.5rem 0; border: 1px solid #a15335; background: #f6e2ce; color: #5d2c20; font-size: .78rem; }
.contribution-card { max-width: 800px; padding: 1.3rem; background: var(--fog); border-left: 4px solid var(--amber); }
.contribution-card .byline { color: var(--ink-soft); font-size: .7rem; }
.mock-form { display: grid; gap: .8rem; max-width: 800px; margin-top: 1.5rem; padding: 1.5rem; border: 1px dashed var(--ink-soft); }
.mock-form textarea { min-height: 120px; padding: .8rem; border: 1px solid var(--line); background: rgba(255,255,255,.5); resize: vertical; }

.live-section { padding-top: clamp(3rem, 6vw, 6rem); }
.live-player { overflow: hidden; color: #edf3f5; background: #0c191e; border: 1px solid rgba(24,37,40,.28); box-shadow: var(--shadow); }
.live-screen { position: relative; aspect-ratio: 16 / 9; min-height: 260px; overflow: hidden; background: #020506; }
.live-screen video { display: block; width: 100%; height: 100%; object-fit: cover; background: #000; }
.live-veil { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; padding: 2rem; text-align: center; background: linear-gradient(rgba(7,16,19,.62), rgba(7,16,19,.94)); transition: opacity .25s; }
.live-veil.hidden { opacity: 0; pointer-events: none; }
.live-veil strong { font: 520 clamp(1.4rem, 3vw, 2.4rem) var(--serif); }
.live-veil span { max-width: 520px; color: #aab8bc; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.live-bug { position: absolute; top: 1rem; left: 1rem; z-index: 5; display: flex; align-items: center; gap: .45rem; padding: .45rem .65rem; border-radius: 999px; background: rgba(7,16,19,.82); font-size: .65rem; font-weight: 850; letter-spacing: .13em; }
.live-bug i { width: 8px; height: 8px; border-radius: 50%; background: #9ca8ac; }
.live-bug.online i { background: #ff6257; box-shadow: 0 0 7px #ff6257; }
.live-buffer { position: absolute; inset: 0; z-index: 4; display: grid; place-items: center; pointer-events: none; background: rgba(0,0,0,.14); }
.live-buffer[hidden] { display: none; }
.live-buffer::after { content: ""; width: 42px; height: 42px; border: 4px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: live-spin .8s linear infinite; }
.camera-disclosure { display: grid; grid-template-columns: minmax(180px,.35fr) 1fr; gap: 2rem; margin-top: 1.2rem; padding: 1.2rem; border-left: 4px solid var(--estuary); background: var(--fog); }
.camera-disclosure div { display: grid; gap: .75rem; }
.camera-disclosure p { margin: 0; color: var(--ink-soft); font-size: .82rem; }
@keyframes live-spin { to { transform: rotate(360deg); } }

.risk-chain { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin: 3rem 0; background: var(--line); border: 1px solid var(--line); }
.risk-chain > div { min-height: 150px; padding: 1.2rem; background: var(--fog); }
.risk-chain strong { display: block; color: var(--oxide); font: 2rem var(--serif); }
.risk-chain span { font-size: .72rem; }

.quantity-stack { display: grid; gap: .5rem; margin: 3rem 0; }
.quantity-row { display: grid; grid-template-columns: 100px 1fr; align-items: center; gap: 1rem; }
.quantity-row b { font: 1.5rem var(--serif); text-align: right; }
.quantity-bar { min-height: 58px; display: flex; align-items: center; padding: .8rem 1rem; color: #fff; background: var(--estuary); }
.quantity-row:nth-child(2) .quantity-bar { width: 88%; background: var(--estuary-light); }
.quantity-row:nth-child(3) .quantity-bar { width: 85%; background: var(--oxide); }
.quantity-row:nth-child(4) .quantity-bar { width: 82%; color: var(--ink); background: #d9ab52; }

.empty-state { padding: 3rem; border: 1px dashed var(--line); text-align: center; color: var(--ink-soft); }
.toast { position: fixed; right: 1rem; bottom: 1rem; z-index: 50; max-width: 360px; padding: .85rem 1rem; color: #fff; background: var(--ink); transform: translateY(160%); transition: transform .25s; font-size: .76rem; }
.toast.show { transform: translateY(0); }

.site-footer { display: grid; grid-template-columns: 1.2fr .8fr .5fr; gap: 3rem; padding: 4rem 7vw; color: rgba(255,255,255,.75); background: #101a1c; font-size: .76rem; }
.site-footer p { max-width: 46ch; }
.site-footer nav { display: grid; align-content: start; gap: .6rem; }
.footer-meta { text-align: right; }

@media (max-width: 950px) {
  .site-header nav { position: fixed; inset: 107px 0 auto; display: none; padding: 2rem 4vw; background: var(--paper); border-bottom: 1px solid var(--line); }
  .site-header nav.open { display: grid; }
  .menu-button { display: block; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 7rem 7vw; }
  .section-head, .article-layout, .book-panel { grid-template-columns: 1fr; }
  .aside-stack { position: static; }
  .entrance-grid, .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .risk-chain { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 650px) {
  .prototype-bar { justify-content: flex-start; gap: .35rem 1rem; }
  .prototype-bar span + span::before { display: none; }
  .site-header { min-height: 66px; }
  .site-header nav { top: 109px; }
  .hero { min-height: 680px; }
  .hero-art { min-height: 680px; background-position: 58% center; }
  .hero::after { background: linear-gradient(90deg, rgba(242,240,232,.96), rgba(242,240,232,.58)); }
  .hero-copy { padding: 5rem 6vw 9rem; }
  .hero-index { left: 6vw; right: 6vw; }
  .section, .page-hero { padding-left: 6vw; padding-right: 6vw; }
  .entrance-grid, .evidence-grid, .record-band, .site-footer { grid-template-columns: 1fr; }
  .record-band > * { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .record-band > *:last-child { border-bottom: 0; }
  .timeline::before { left: 9px; }
  .timeline-item { grid-template-columns: 1fr; gap: .4rem; padding-left: 35px; }
  .timeline-item::before { left: 4px; }
  .timeline-date { text-align: left; }
  .quantity-row { grid-template-columns: 70px 1fr; }
  .risk-chain { grid-template-columns: 1fr; }
  .book-figure figcaption { grid-template-columns: 1fr; }
  .camera-disclosure { grid-template-columns: 1fr; }
  .footer-meta { text-align: left; }
}

@media print {
  .prototype-bar, .site-header, .site-footer, .hero-actions, .filter-bar, .filter-row, .mock-form, .button { display: none !important; }
  body, .section, .page-hero { color: #000; background: #fff; }
  .hero { min-height: auto; display: block; background: #fff; }
  .hero-art, .hero-index { display: none; }
  .hero-copy { padding: 2rem 0; }
  .article-layout { display: block; padding: 1rem 0; }
  .aside-stack { position: static; }
  a { color: #000; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
  .live-buffer::after { animation-duration: 1.8s; }
}