:root {
  color-scheme: dark;
  --bg: #11130f;
  --bg-deep: #0b0d0a;
  --panel: #181b16;
  --panel-raised: #20241d;
  --paper: #e9e4d6;
  --text: #e7e4db;
  --muted: #9ca194;
  --ink: #151712;
  --line: #343a2f;
  --line-soft: rgba(231, 228, 219, 0.12);
  --gold: #d7b65a;
  --gold-bright: #f1d375;
  --cyan: #53ccd1;
  --red: #ce5b43;
  --green: #788f54;
  --sidebar: 274px;
  --topbar: 74px;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: Iowan Old Style, Baskerville, "Times New Roman", serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #e8e4d7;
  --bg-deep: #dcd6c5;
  --panel: #f2eee2;
  --panel-raised: #faf7ed;
  --paper: #f9f6ed;
  --text: #20231c;
  --muted: #656b5f;
  --ink: #171914;
  --line: #b9b9a8;
  --line-soft: rgba(24, 27, 21, 0.14);
  --gold: #936f0f;
  --gold-bright: #745706;
  --cyan: #177d83;
  --red: #a43f2d;
  --green: #667943;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar) + 28px); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans); }
a { color: inherit; }
button, input { font: inherit; }
button { color: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 16px; background: var(--gold); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 12px; }
.reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 90; }
.reading-progress span { display: block; width: 0; height: 100%; background: var(--gold-bright); }

.topbar {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--topbar);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: color-mix(in srgb, var(--bg-deep) 92%, transparent);
  border-bottom: 1px solid var(--line); backdrop-filter: blur(14px);
}
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; text-transform: uppercase; letter-spacing: .05em; }
.brand strong { display: block; font-size: 15px; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font: 9px var(--mono); letter-spacing: .15em; }
.brand-mark { position: relative; width: 33px; height: 33px; border: 1px solid var(--gold); transform: rotate(45deg); }
.brand-mark::before, .brand-mark::after, .brand-mark i { content: ""; position: absolute; background: var(--gold); opacity: .7; }
.brand-mark::before { width: 1px; inset: 0 auto 0 50%; }
.brand-mark::after { height: 1px; inset: 50% 0 auto; }
.brand-mark i { width: 7px; height: 7px; left: 12px; top: 12px; box-shadow: 9px -9px 0 -2px var(--cyan); }
.topbar-actions { display: flex; gap: 8px; align-items: center; }
.icon-button { min-height: 40px; border: 1px solid var(--line); background: transparent; padding: 0 12px; cursor: pointer; }
.icon-button:hover { border-color: var(--gold); }
.search-trigger { display: flex; gap: 9px; align-items: center; }
.search-trigger kbd { margin-left: 8px; padding: 2px 5px; color: var(--muted); border: 1px solid var(--line); font: 11px var(--mono); }
.menu-toggle { display: none; }

.site-layout { min-height: 100vh; padding-top: var(--topbar); }
.sidebar {
  position: fixed; inset: var(--topbar) auto 0 0; width: var(--sidebar); overflow-y: auto;
  padding: 25px 20px 40px; background: var(--bg-deep); border-right: 1px solid var(--line);
}
.sidebar-label { display: flex; justify-content: space-between; margin-bottom: 26px; color: var(--muted); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.sidebar-label span { color: var(--gold); }
.nav-section { margin-bottom: 24px; }
.nav-section h2 { margin: 0 0 7px 10px; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .14em; }
.nav-section a { display: block; padding: 8px 10px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font-size: 13px; }
.nav-section a:hover { color: var(--text); background: var(--panel); }
.nav-section a.active { color: var(--gold-bright); border-color: var(--gold); background: linear-gradient(90deg, color-mix(in srgb, var(--gold) 12%, transparent), transparent); }
.sidebar-note { margin: 35px 10px 0; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.6; }

.home-main, .reader-main { margin-left: var(--sidebar); }
.hero { position: relative; min-height: 610px; display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .55fr); align-items: center; gap: 8vw; overflow: hidden; padding: 90px clamp(40px, 7vw, 110px); background: var(--bg-deep); border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -120px; top: 30px; border: 1px solid color-mix(in srgb, var(--gold) 23%, transparent); border-radius: 50%; box-shadow: 0 0 0 90px color-mix(in srgb, var(--gold) 2%, transparent), 0 0 0 180px color-mix(in srgb, var(--gold) 2%, transparent); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(90deg, #000, transparent 80%); }
.hero-copy, .hero-signal { position: relative; z-index: 1; }
.eyebrow { color: var(--gold); font: 10px var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow span { display: inline-block; width: 28px; height: 1px; margin-right: 8px; vertical-align: middle; background: var(--gold); }
.hero h1 { max-width: 850px; margin: 24px 0; font: 700 clamp(55px, 6vw, 96px)/.93 var(--serif); letter-spacing: -.045em; }
.hero h1 em { color: var(--gold-bright); font-weight: 400; }
.hero-deck { max-width: 680px; margin: 0; color: var(--muted); font-size: clamp(17px, 1.5vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; gap: 24px; align-items: center; margin-top: 38px; }
.primary-button { display: inline-flex; align-items: center; gap: 24px; padding: 15px 19px; background: var(--gold); color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 800; }
.primary-button:hover { background: var(--gold-bright); }
.text-button { border: 0; border-bottom: 1px solid var(--muted); background: transparent; padding: 7px 0; color: var(--muted); cursor: pointer; font-size: 13px; }
.text-button:hover { color: var(--text); border-color: var(--text); }
.hero-signal { justify-self: end; width: min(100%, 340px); }
.signal-orbit { display: grid; place-items: center; aspect-ratio: 1; border: 1px solid var(--line); border-radius: 50%; animation: orbit 35s linear infinite; }
.signal-orbit::before, .signal-orbit::after { content: ""; position: absolute; border: 1px dashed color-mix(in srgb, var(--cyan) 40%, transparent); border-radius: 50%; }
.signal-orbit::before { width: 70%; height: 70%; }
.signal-orbit::after { width: 38%; height: 38%; }
.signal-cube { width: 62px; height: 62px; border: 2px solid var(--paper); transform: rotate(45deg); box-shadow: 0 0 45px color-mix(in srgb, var(--cyan) 40%, transparent); }
@keyframes orbit { to { transform: rotate(360deg); } }
.hero-signal dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 28px 0 0; }
.hero-signal dl div { padding: 12px; border-left: 1px solid var(--line); }
.hero-signal dt { color: var(--muted); font: 9px var(--mono); text-transform: uppercase; }
.hero-signal dd { margin: 7px 0 0; color: var(--gold-bright); font: 26px var(--serif); }

.start-section, .library-section { padding: 80px clamp(35px, 6vw, 90px); }
.section-heading { display: flex; justify-content: space-between; gap: 50px; align-items: end; margin-bottom: 34px; }
.section-heading h2 { margin: 7px 0 0; font: 52px/1 var(--serif); letter-spacing: -.03em; }
.section-heading > p { max-width: 460px; margin: 0; color: var(--muted); line-height: 1.6; font-size: 14px; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.document-card { position: relative; min-height: 210px; display: flex; flex-direction: column; padding: 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; transition: background .2s, transform .2s; }
.document-card:hover { z-index: 1; background: var(--panel-raised); transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.card-index { color: var(--line); font: 54px/1 var(--serif); }
.card-meta { margin-top: auto; color: var(--muted); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.document-card strong { margin-top: 8px; font: 25px var(--serif); }
.card-action { margin-top: 18px; color: var(--gold); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.premise-band { display: flex; justify-content: space-between; gap: 50px; align-items: center; padding: 55px clamp(35px, 6vw, 90px); background: var(--gold); color: var(--ink); }
.premise-band p { max-width: 960px; margin: 0; font: 30px/1.28 var(--serif); }
.premise-band a { flex: 0 0 auto; font-size: 12px; font-weight: 800; text-decoration: none; text-transform: uppercase; }
.library-section { background: var(--panel); }
.library-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px 50px; }
.library-group h3 { margin: 0 0 13px; color: var(--gold); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .13em; }
.library-group > div { border-top: 1px solid var(--line); }
.library-group a { display: flex; justify-content: space-between; gap: 15px; padding: 13px 0; border-bottom: 1px solid var(--line); text-decoration: none; font-size: 13px; }
.library-group a:hover span { color: var(--gold-bright); }
.library-group small { color: var(--muted); font-size: 10px; }

.reader-main { display: grid; grid-template-columns: minmax(0, 820px) 230px; justify-content: center; gap: clamp(45px, 7vw, 110px); padding: 65px clamp(30px, 5vw, 80px) 100px; }
.document { min-width: 0; }
.document-header { margin-bottom: 38px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.document-header .eyebrow { margin: 0 0 13px; }
.document-meta { display: flex; gap: 22px; color: var(--muted); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.markdown-body { font: 18px/1.75 var(--serif); }
.markdown-body > h1:first-child { margin-top: 0; font-size: clamp(50px, 6vw, 76px); line-height: .98; letter-spacing: -.04em; }
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { position: relative; color: var(--text); }
.markdown-body h1 { margin: 70px 0 28px; font: 62px/1 var(--serif); }
.markdown-body h2 { margin: 68px 0 22px; padding-top: 4px; font: 39px/1.08 var(--serif); letter-spacing: -.025em; }
.markdown-body h2::before { content: ""; position: absolute; left: -27px; top: 12px; width: 10px; height: 10px; border: 1px solid var(--gold); transform: rotate(45deg); }
.markdown-body h3 { margin: 48px 0 16px; color: var(--gold-bright); font: 700 21px/1.25 var(--sans); }
.markdown-body h4 { margin: 35px 0 12px; font: 700 16px var(--sans); }
.heading-anchor { margin-left: 9px; color: var(--line); text-decoration: none; font: 16px var(--mono); opacity: 0; }
.markdown-body :is(h1,h2,h3,h4):hover .heading-anchor { opacity: 1; }
.markdown-body p { margin: 0 0 20px; }
.character-art { width: min(100%, 520px); margin: 18px 0 30px; padding: 8px; border: 1px solid var(--line); background: var(--panel); box-shadow: 0 16px 36px rgba(0,0,0,.18); }
.character-art img { display: block; width: 100%; height: auto; }
.markdown-body a { color: var(--cyan); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.markdown-body strong { color: var(--text); font-weight: 700; }
.markdown-body code { padding: .14em .35em; border: 1px solid var(--line); background: var(--panel-raised); font: .78em var(--mono); }
.markdown-body pre { overflow-x: auto; padding: 20px; background: var(--bg-deep); border: 1px solid var(--line); }
.markdown-body pre code { padding: 0; border: 0; background: transparent; color: var(--gold-bright); }
.markdown-body blockquote { position: relative; margin: 28px 0 35px; padding: 22px 26px 22px 34px; border-left: 3px solid var(--gold); background: var(--panel); color: var(--gold-bright); font-size: 25px; line-height: 1.45; }
.markdown-body ul, .markdown-body ol { margin: 0 0 25px; padding-left: 27px; }
.markdown-body li { margin: 7px 0; padding-left: 5px; }
.markdown-body li::marker { color: var(--gold); font-family: var(--mono); }
.check-item { display: flex; gap: 10px; align-items: start; }
.check-item input { margin-top: 7px; accent-color: var(--gold); }
.table-wrap { overflow-x: auto; margin: 30px 0 36px; border: 1px solid var(--line); }
.markdown-body table { width: 100%; border-collapse: collapse; font: 13px/1.5 var(--sans); }
.markdown-body th { background: var(--panel-raised); color: var(--gold-bright); text-align: left; font: 10px var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.markdown-body th, .markdown-body td { padding: 12px 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.markdown-body tr:last-child td { border-bottom: 0; }
.document-footer { display: flex; gap: 16px; align-items: center; margin-top: 80px; padding: 20px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.document-footer code { font-family: var(--mono); color: var(--gold); }
.document-footer a { margin-left: auto; color: var(--text); }
.page-outline { position: sticky; top: calc(var(--topbar) + 35px); align-self: start; max-height: calc(100vh - var(--topbar) - 70px); overflow-y: auto; padding-left: 18px; border-left: 1px solid var(--line); }
.page-outline > p { margin: 0 0 15px; color: var(--gold); font: 9px var(--mono); text-transform: uppercase; letter-spacing: .14em; }
.page-outline nav a { display: block; padding: 5px 0; color: var(--muted); text-decoration: none; font-size: 11px; line-height: 1.35; }
.page-outline nav a:hover, .page-outline nav a.active { color: var(--text); }
.page-outline .toc-level-3 { padding-left: 12px; }
.back-to-top { display: block; margin-top: 20px; color: var(--gold); font-size: 10px; text-decoration: none; text-transform: uppercase; }

.search-dialog { width: min(720px, calc(100vw - 30px)); max-height: min(680px, calc(100vh - 50px)); padding: 0; border: 1px solid var(--line); background: var(--panel-raised); color: var(--text); box-shadow: 0 30px 90px rgba(0,0,0,.55); }
.search-dialog::backdrop { background: rgba(5,7,5,.75); backdrop-filter: blur(6px); }
.search-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.search-header label { color: var(--gold); font: 10px var(--mono); text-transform: uppercase; letter-spacing: .12em; }
.dialog-close { border: 0; background: transparent; cursor: pointer; font-size: 24px; }
#site-search { width: calc(100% - 44px); margin: 22px 22px 8px; padding: 15px 0; border: 0; border-bottom: 1px solid var(--line); outline: 0; background: transparent; color: var(--text); font: 27px var(--serif); }
#site-search:focus { border-color: var(--gold); }
.search-hint { padding: 0 22px 18px; color: var(--muted); font-size: 11px; }
.search-results { max-height: 450px; overflow-y: auto; border-top: 1px solid var(--line); }
.search-results a { display: grid; grid-template-columns: 180px 1fr; gap: 20px; padding: 16px 22px; border-bottom: 1px solid var(--line); text-decoration: none; }
.search-results a:hover { background: var(--panel); }
.search-results small { display: block; margin-bottom: 6px; color: var(--gold); font: 9px var(--mono); text-transform: uppercase; }
.search-results strong { font: 17px var(--serif); }
.search-results p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.no-results { padding: 30px 22px; color: var(--muted); }
.scrim { position: fixed; inset: var(--topbar) 0 0; z-index: 39; background: rgba(0,0,0,.6); }

@media (max-width: 1150px) {
  .hero { grid-template-columns: 1fr; }
  .hero-signal { display: none; }
  .reader-main { grid-template-columns: minmax(0, 780px); }
  .page-outline { display: none; }
}

@media (max-width: 850px) {
  :root { --topbar: 64px; }
  .topbar { padding: 0 15px; }
  .brand small, .button-label, .search-trigger kbd { display: none; }
  .menu-toggle { display: block; }
  .sidebar { z-index: 40; transform: translateX(-105%); transition: transform .25s; box-shadow: 20px 0 50px rgba(0,0,0,.35); }
  .menu-open .sidebar { transform: translateX(0); }
  .home-main, .reader-main { margin-left: 0; }
  .hero { min-height: 590px; padding: 75px 25px; }
  .hero h1 { font-size: clamp(50px, 15vw, 76px); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .start-section, .library-section { padding: 60px 24px; }
  .section-heading { align-items: start; flex-direction: column; gap: 18px; }
  .section-heading h2 { font-size: 43px; }
  .card-grid, .library-grid { grid-template-columns: 1fr 1fr; }
  .premise-band { align-items: flex-start; flex-direction: column; padding: 45px 24px; }
  .reader-main { display: block; padding: 45px 28px 80px; }
  .markdown-body > h1:first-child { font-size: 50px; }
}

@media (max-width: 560px) {
  .card-grid, .library-grid { grid-template-columns: 1fr; }
  .document-card { min-height: 180px; }
  .premise-band p { font-size: 25px; }
  .reader-main { padding-inline: 21px; }
  .markdown-body { font-size: 17px; }
  .markdown-body h2 { font-size: 33px; }
  .markdown-body h2::before { display: none; }
  .document-meta { flex-wrap: wrap; gap: 8px 16px; }
  .document-footer { align-items: flex-start; flex-direction: column; }
  .document-footer a { margin-left: 0; }
  .search-results a { grid-template-columns: 1fr; gap: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}