:root {
  --stone-0: #f7f3eb;
  --stone-1: #ebe5da;
  --stone-2: #d2c8b8;
  --ink: #171a19;
  --muted: #696a65;
  --blue: #173c4b;
  --blue-2: #245d72;
  --bronze: #9b6d35;
  --bronze-light: #d6b47c;
  --line: rgba(23, 26, 25, .16);
  --surface: rgba(255, 253, 248, .84);
  --shadow: 0 18px 50px rgba(25, 29, 28, .09);
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --topbar: 74px;
}

[data-theme="dark"] {
  --stone-0: #121817;
  --stone-1: #1a2221;
  --stone-2: #44504d;
  --ink: #f2eee5;
  --muted: #b4b8b2;
  --blue: #8dc3d2;
  --blue-2: #b1dbe4;
  --bronze: #d1a466;
  --bronze-light: #e2c392;
  --line: rgba(239, 235, 225, .18);
  --surface: rgba(27, 34, 33, .88);
  --shadow: 0 18px 50px rgba(0, 0, 0, .22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--topbar) + 20px); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--stone-0);
  font-family: var(--sans);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { color: inherit; }
img, svg { max-width: 100%; }
::selection { color: #fff; background: var(--blue-2); }

.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;
}
.skip-link {
  position: fixed;
  z-index: 200;
  top: .6rem;
  left: .6rem;
  transform: translateY(-160%);
  padding: .7rem 1rem;
  border-radius: .5rem;
  color: #fff;
  background: #111;
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  position: sticky;
  z-index: 100;
  top: 0;
  display: grid;
  grid-template-columns: minmax(190px, 1fr) auto minmax(190px, 1fr);
  align-items: center;
  min-height: var(--topbar);
  padding: 0 clamp(1rem, 3vw, 3rem);
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: #f7f3eb;
  background: rgba(17, 23, 25, .94);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  width: max-content;
  color: inherit;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 50%;
  color: var(--bronze-light);
  font-family: var(--serif);
  font-size: 1.35rem;
}
.brand strong, .brand small { display: block; }
.brand strong { letter-spacing: .14em; font-size: .78rem; }
.brand small { margin-top: .05rem; color: #aab4b1; font-size: .66rem; letter-spacing: .06em; }
.mode-nav {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  padding: .25rem;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  background: rgba(255,255,255,.045);
}
.mode-button {
  border: 0;
  border-radius: 999px;
  padding: .56rem .85rem;
  color: #bac2c0;
  background: transparent;
  font-size: .76rem;
  font-weight: 750;
  cursor: pointer;
}
.mode-button:hover, .mode-button:focus-visible { color: #fff; }
.mode-button.is-active { color: #111719; background: #f1eadf; }
.top-actions { display: flex; justify-content: flex-end; align-items: center; gap: .5rem; }
.icon-button, .install-button {
  min-width: 2.65rem;
  min-height: 2.65rem;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 999px;
  color: #f4eee4;
  background: rgba(255,255,255,.055);
  cursor: pointer;
}
.install-button { padding: 0 1rem; font-size: .76rem; font-weight: 800; }
.icon-button:hover, .install-button:hover { border-color: rgba(255,255,255,.4); background: rgba(255,255,255,.1); }
.mobile-only { display: none; }

.view[hidden] { display: none !important; }
.view.is-active { animation: reveal .35s ease both; }
.section-shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.kicker, .eyebrow, .rail-label {
  margin: 0 0 .8rem;
  color: var(--bronze);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--topbar));
  overflow: hidden;
  color: #f6f1e8;
  background:
    radial-gradient(circle at 70% 30%, rgba(137, 176, 183, .14), transparent 27rem),
    radial-gradient(circle at 15% 85%, rgba(151, 105, 51, .18), transparent 28rem),
    #111719;
}
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .27;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(90deg, transparent, #000 35%, #000);
}
.hero-content {
  position: relative;
  z-index: 3;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 8rem) 0 4rem;
}
.hero .eyebrow { color: #d9b77f; }
.hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4.2rem, 11vw, 9.2rem);
  font-weight: 400;
  line-height: .79;
  letter-spacing: -.065em;
}
.hero h1 em { color: #c9d5d2; font-weight: 400; }
.hero-deck {
  max-width: 630px;
  margin: 2rem 0 0;
  color: #bec8c5;
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.4vw, 1.85rem);
  line-height: 1.32;
}
.hero blockquote {
  max-width: 560px;
  margin: 2.4rem 0;
  padding-left: 1.15rem;
  border-left: 1px solid #a77c48;
  color: #e4ded4;
  font-size: clamp(.96rem, 1.4vw, 1.08rem);
}
.first-proof { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem 1rem; }
.first-proof .date { color: #fff; font-size: 1.15rem; font-weight: 900; letter-spacing: .13em; }
.first-proof strong { width: 100%; color: #d6dad7; font-family: var(--serif); font-size: 1.1rem; font-style: italic; font-weight: 400; }
.primary-cta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 2.8rem;
  padding-bottom: .35rem;
  border-bottom: 1px solid #c6a36a;
  color: #f4efe6;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}
.primary-cta:hover span { transform: translateY(.25rem); }
.primary-cta span { transition: transform .2s ease; }
.absence {
  position: absolute;
  z-index: 2;
  right: 4vw;
  bottom: 7vh;
  width: min(39vw, 560px);
  height: min(64vh, 650px);
  border: 1px solid rgba(219, 227, 223, .17);
  border-bottom: 0;
}
.absence::before, .absence::after {
  content: "";
  position: absolute;
  inset: 6% 7%;
  border: 1px dashed rgba(219, 227, 223, .14);
  border-bottom: 0;
}
.absence::after { inset: 12% 14%; border-style: solid; opacity: .4; }
.absence-arch {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 52%;
  height: 53%;
  transform: translateX(-50%);
  border: 1px solid rgba(218, 190, 143, .48);
  border-bottom: 0;
  border-radius: 50% 50% 0 0 / 35% 35% 0 0;
  box-shadow: 0 0 70px rgba(187, 141, 78, .08);
}
.absence-label {
  position: absolute;
  right: 0;
  bottom: -2rem;
  color: rgba(227, 231, 226, .45);
  font-size: .62rem;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.hero-note {
  position: absolute;
  z-index: 4;
  right: 1rem;
  bottom: 1rem;
  margin: 0;
  color: rgba(226, 232, 228, .48);
  font-size: .64rem;
}

.certainty {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  width: max-content;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: .34rem .62rem;
  font-size: .65rem;
  font-weight: 780;
  letter-spacing: .035em;
  line-height: 1;
}
.certainty b { font-size: .8rem; }
.certainty-a { color: #a9d3bd; }
.certainty-b { color: #9ec7d4; }
.certainty-c { color: #e1bc80; }
.certainty-d { color: #d9a38e; }
.certainty-e { color: #c6abbc; }

.method-intro {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 7vw, 7rem);
  padding-block: clamp(5rem, 11vw, 9rem);
}
.method-intro h2, .scale-panel h2, .finale h2 {
  max-width: 760px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5.3vw, 4.8rem);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.045em;
}
.method-copy { align-self: end; color: var(--muted); font-size: 1.04rem; }
.method-copy p:first-child { margin-top: 0; }
.method-rule { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--ink); }

.scale-panel {
  display: grid;
  grid-template-columns: minmax(220px, .65fr) 1.35fr;
  gap: clamp(2rem, 6vw, 6rem);
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(28, 62, 73, .06), transparent 55%), var(--surface);
  box-shadow: var(--shadow);
}
.scale-panel h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.certainty-scale { display: grid; gap: .2rem; }
.scale-item {
  display: grid;
  grid-template-columns: 3rem minmax(160px, .75fr) 1.25fr;
  align-items: center;
  gap: 1rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--line);
}
.scale-item:last-child { border-bottom: 0; }
.scale-letter { font-family: var(--serif); font-size: 2rem; line-height: 1; }
.scale-name { font-weight: 760; }
.scale-item p { margin: 0; color: var(--muted); font-size: .86rem; }

.story-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  padding-block: clamp(6rem, 12vw, 10rem);
}
.chapter-rail { position: sticky; top: calc(var(--topbar) + 2rem); align-self: start; }
.chapter-rail ol { margin: 0; padding: 0; list-style: none; }
.chapter-nav-button {
  position: relative;
  display: grid;
  grid-template-columns: 1.8rem 1fr;
  gap: .6rem;
  width: 100%;
  border: 0;
  border-left: 1px solid var(--line);
  padding: .72rem 0 .72rem .85rem;
  color: var(--muted);
  text-align: left;
  background: transparent;
  cursor: pointer;
}
.chapter-nav-button::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 50%;
  width: 5px;
  height: 0;
  transform: translateY(-50%);
  background: var(--bronze);
  transition: height .2s ease;
}
.chapter-nav-button.is-active { color: var(--ink); }
.chapter-nav-button.is-active::before { height: 70%; }
.chapter-nav-button.is-read .nav-number::after { content: "·"; color: var(--bronze); margin-left: .25rem; }
.nav-number { color: var(--bronze); font-size: .68rem; font-weight: 850; letter-spacing: .08em; }
.nav-title { font-family: var(--serif); font-size: .93rem; line-height: 1.2; }
.progress-box { margin-top: 2rem; color: var(--muted); font-size: .72rem; }
.progress-track { height: 2px; margin-top: .45rem; overflow: hidden; background: var(--stone-2); }
.progress-track span { display: block; width: 0; height: 100%; background: var(--bronze); transition: width .3s ease; }

.chapter-stage { min-width: 0; }
.chapter-header { display: grid; grid-template-columns: 5rem 1fr; gap: 1.5rem; align-items: start; }
.chapter-number { color: var(--bronze); font-family: var(--serif); font-size: clamp(2.4rem, 5vw, 4.4rem); line-height: 1; }
.chapter-title-wrap h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.055em;
}
.chapter-subtitle { margin: 1rem 0 0; color: var(--muted); font-size: 1rem; }
.chapter-lead {
  max-width: 800px;
  margin: 3rem 0;
  padding: 1.5rem 0 1.5rem 2rem;
  border-left: 1px solid var(--bronze);
  font-family: var(--serif);
  font-size: clamp(1.45rem, 3vw, 2.35rem);
  line-height: 1.26;
}
.chapter-copy { max-width: 820px; margin-left: auto; }
.chapter-copy p { margin: 0 0 1.3rem; font-size: clamp(1rem, 1.4vw, 1.08rem); }
.chapter-summary {
  margin: 2rem 0 0;
  padding: 1.2rem 1.3rem;
  border: 1px solid rgba(34, 93, 114, .28);
  border-radius: .25rem;
  color: var(--blue);
  background: rgba(34, 93, 114, .055);
}
.chapter-summary span { display: block; margin-bottom: .3rem; font-size: .65rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.chapter-tabs { display: flex; gap: .35rem; margin: 3rem 0 1.4rem; border-bottom: 1px solid var(--line); }
.chapter-tab {
  border: 0;
  border-bottom: 2px solid transparent;
  padding: .8rem .1rem;
  margin-right: 1.2rem;
  color: var(--muted);
  background: transparent;
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
  cursor: pointer;
}
.chapter-tab.is-active { border-bottom-color: var(--bronze); color: var(--ink); }
.tab-panel[hidden] { display: none; }
.deep-panel {
  padding: 2rem;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.deep-panel h3 { margin: 0 0 1rem; font-family: var(--serif); font-size: 1.65rem; font-weight: 400; }
.deep-panel p { margin: 0; color: var(--muted); }
.linked-evidence { display: grid; gap: .7rem; }
.evidence-link-card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: 100%;
  border: 1px solid var(--line);
  padding: 1rem;
  text-align: left;
  background: var(--surface);
  cursor: pointer;
}
.evidence-link-card:hover { border-color: var(--bronze); }
.evidence-link-card strong { display: block; font-family: var(--serif); font-size: 1.05rem; }
.evidence-link-card small { display: block; color: var(--muted); }
.chapter-controls { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3.5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.chapter-control, .primary-button {
  border: 1px solid var(--ink);
  padding: .8rem 1rem;
  color: var(--ink);
  background: transparent;
  font-size: .78rem;
  font-weight: 800;
  cursor: pointer;
}
.chapter-control:hover, .primary-button:hover { color: var(--stone-0); background: var(--ink); }
.chapter-control[disabled] { opacity: .35; cursor: not-allowed; }

.feature { margin: 3rem 0; }
.feature-label { margin-bottom: .7rem; color: var(--muted); font-size: .66rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.paradox-visual { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; border: 1px solid var(--line); }
.paradox-side { padding: clamp(1.5rem, 4vw, 3rem); }
.paradox-side strong { display: block; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.6rem); font-weight: 400; line-height: 1; }
.paradox-side p { margin: .8rem 0 0; color: var(--muted); }
.paradox-divider { display: grid; place-items: center; width: 3rem; color: var(--bronze); background: var(--stone-1); }
.territory-visual { position: relative; min-height: 360px; overflow: hidden; border: 1px solid var(--line); background: radial-gradient(circle at 54% 52%, rgba(37,94,114,.11), transparent 27%), var(--surface); }
.territory-visual::before { content: ""; position: absolute; inset: 15% 12%; border: 1px dashed var(--line); border-radius: 47% 53% 44% 56%; transform: rotate(-9deg); }
.territory-word { position: absolute; color: var(--muted); font-family: var(--serif); font-style: italic; }
.territory-word:nth-child(1) { top: 16%; left: 12%; }
.territory-word:nth-child(2) { top: 45%; right: 9%; }
.territory-word:nth-child(3) { bottom: 16%; left: 22%; }
.territory-core { position: absolute; left: 51%; top: 50%; transform: translate(-50%, -50%); text-align: center; }
.territory-core b { display: grid; place-items: center; width: 8rem; height: 8rem; border: 1px solid var(--bronze); border-radius: 50%; font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }
.territory-core small { display: block; margin-top: .65rem; color: var(--muted); }

.inscription-box { overflow: hidden; border: 1px solid var(--line); background: #191e1e; color: #f2eadc; }
.inscription-toolbar { display: flex; flex-wrap: wrap; gap: .3rem; padding: .8rem; border-bottom: 1px solid rgba(255,255,255,.12); }
.inscription-mode { border: 1px solid rgba(255,255,255,.16); padding: .45rem .65rem; color: #bbc4c1; background: transparent; font-size: .68rem; font-weight: 800; cursor: pointer; }
.inscription-mode.is-active { color: #151a19; background: #eee6d9; }
.inscription-content { min-height: 230px; padding: clamp(1.5rem, 4vw, 3rem); }
.inscription-text { margin: 0; color: #d7c7af; font-family: var(--serif); font-size: clamp(1.15rem, 2.7vw, 2.15rem); line-height: 1.65; letter-spacing: .035em; }
.inscription-translation { margin: 0; color: #e8e0d4; font-family: var(--serif); font-size: clamp(1.15rem, 2.4vw, 1.7rem); line-height: 1.55; }
.inscription-token { border: 0; border-bottom: 1px solid #c49a5f; padding: 0 .1rem; color: #f1d49f; background: transparent; font: inherit; cursor: pointer; }
.inscription-token:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.inscription-note { min-height: 82px; margin: 0; padding: 1rem 1.4rem; border-top: 1px solid rgba(255,255,255,.12); color: #bec7c3; font-size: .88rem; }
.inscription-conclusion { display: grid; grid-template-columns: 1fr 1fr; }
.inscription-conclusion div { padding: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); }
.inscription-conclusion div + div { border-left: 1px solid rgba(255,255,255,.12); }
.inscription-conclusion span { display: block; color: #9ba8a4; font-size: .64rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.inscription-conclusion strong { display: block; margin-top: .3rem; font-family: var(--serif); font-size: 1.3rem; font-weight: 400; }
.inscription-conclusion .known strong { color: #a8d5bd; }
.inscription-conclusion .unknown strong { color: #d5ad94; }

.worksite-visual { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.worksite-card { padding: 1.4rem; background: var(--stone-0); }
.worksite-card span { color: var(--bronze); font-size: .67rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.worksite-card strong { display: block; margin: .6rem 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }
.worksite-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.politics-visual { padding: clamp(2rem, 5vw, 4rem); text-align: center; color: #eee7da; background: linear-gradient(145deg, #173c4b, #101719); }
.politics-visual p { margin: 0; color: #9db0b3; font-size: .68rem; font-weight: 850; letter-spacing: .13em; text-transform: uppercase; }
.politics-visual blockquote { max-width: 760px; margin: 1.2rem auto; font-family: var(--serif); font-size: clamp(1.4rem, 3.2vw, 2.65rem); line-height: 1.25; }
.politics-visual small { color: #c9aa79; }

.map-wrap { display: grid; grid-template-columns: 1.35fr .65fr; min-height: 500px; border: 1px solid var(--line); }
.map-canvas { position: relative; overflow: hidden; background: radial-gradient(circle at 50% 50%, rgba(36,93,114,.11), transparent 42%), var(--surface); }
.map-canvas::before { content: ""; position: absolute; inset: 8%; border: 1px dashed var(--line); border-radius: 49% 51% 42% 58%; transform: rotate(7deg); }
.map-line { position: absolute; left: 50%; top: 50%; height: 1px; transform-origin: left center; background: var(--line); }
.place-node { position: absolute; z-index: 2; transform: translate(-50%, -50%); border: 1px solid var(--blue-2); border-radius: 999px; padding: .45rem .6rem; color: var(--blue); background: var(--stone-0); font-size: .68rem; font-weight: 800; cursor: pointer; box-shadow: 0 5px 18px rgba(20,30,31,.08); }
.place-node.core { display: grid; place-items: center; width: 7rem; height: 7rem; border-color: var(--bronze); color: var(--ink); font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.place-node:hover, .place-node.is-active { color: var(--stone-0); background: var(--blue); }
.place-node.core:hover, .place-node.core.is-active { background: var(--bronze); }
.map-info { padding: 2rem; border-left: 1px solid var(--line); background: var(--stone-1); }
.map-info h3 { margin: 0; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.map-info .place-type { color: var(--bronze); font-size: .68rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.map-info p { color: var(--muted); }
.map-disclaimer { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .75rem; }

.limits-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.limits-column { min-height: 280px; padding: 1.4rem; background: var(--stone-0); }
.limits-column h3 { margin: 0; font-family: var(--serif); font-size: 1.4rem; font-weight: 400; }
.limits-column ul { margin: 1rem 0 0; padding-left: 1.1rem; color: var(--muted); }
.limits-column li { margin: .4rem 0; }
.limits-column.possible { background: rgba(155,109,53,.08); }
.limits-column.unknown { color: #eee7db; background: #18201f; }
.limits-column.unknown ul { color: #adb7b3; }
.plan-unavailable { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; padding: 1rem; border: 1px dashed var(--line); color: var(--muted); }
.plan-unavailable strong { color: var(--ink); }
.topography-panel { display: grid; grid-template-columns: 1.35fr .65fr; min-height: 390px; margin-top: 1rem; border: 1px solid var(--line); }
.topography-map { position: relative; min-height: 390px; overflow: hidden; background: var(--surface); }
.topography-map::before, .topography-map::after { content: ""; position: absolute; background: var(--stone-1); border: 1px solid var(--line); }
.topography-map::before { left: 0; right: 0; top: 44%; height: 3.2rem; transform: rotate(-5deg) scale(1.1); }
.topography-map::after { top: 0; bottom: 0; left: 62%; width: 4.3rem; transform: rotate(7deg) scale(1.1); }
.street { position: absolute; z-index: 2; color: var(--muted); font-size: .6rem; font-weight: 850; letter-spacing: .14em; }
.street-arpi { left: 8%; top: 41%; transform: rotate(-5deg); }
.street-nigri { right: 4%; top: 57%; transform: rotate(83deg); }
.plausible-area { position: absolute; z-index: 1; left: 15%; top: 14%; display: grid; place-items: center; width: 62%; height: 67%; border: 0; border-radius: 48% 52% 44% 56%; color: var(--bronze); text-align: center; font-family: var(--serif); font-size: 1.1rem; background: radial-gradient(ellipse, rgba(155,109,53,.12), rgba(155,109,53,.055) 48%, transparent 72%), repeating-linear-gradient(135deg, rgba(155,109,53,.05), rgba(155,109,53,.05) 6px, transparent 6px, transparent 13px); -webkit-mask-image: radial-gradient(ellipse, #000 25%, rgba(0,0,0,.72) 55%, transparent 78%); mask-image: radial-gradient(ellipse, #000 25%, rgba(0,0,0,.72) 55%, transparent 78%); transform: rotate(-7deg); }
.plausible-area small { color: var(--muted); font-family: var(--sans); font-size: .57rem; letter-spacing: .08em; text-transform: uppercase; }
.arpi-block { position: absolute; z-index: 3; left: 46%; top: 53%; width: 26%; padding: 1.6rem .6rem; border: 1px solid var(--ink); color: var(--ink); text-align: center; background: var(--stone-0); font-size: .6rem; font-weight: 850; letter-spacing: .08em; transform: rotate(-3deg); }
.certain-rest { position: absolute; z-index: 4; left: 46%; top: 45%; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .45rem; color: var(--blue); font-size: 1.1rem; }
.certain-rest b, .certain-rest small { font-family: var(--sans); }
.certain-rest b { font-size: .58rem; letter-spacing: .1em; }
.certain-rest small { grid-column: 2; margin-top: -.55rem; color: var(--muted); font-size: .54rem; }
.topography-legend { display: grid; align-content: center; gap: 1rem; padding: 1.5rem; border-left: 1px solid var(--line); background: var(--stone-1); }
.topography-legend p { margin: 0; color: var(--muted); font-size: .76rem; }
.topography-legend b { color: var(--ink); }

.timeline { position: relative; margin-left: 3rem; border-left: 1px solid var(--line); }
.timeline-item { position: relative; display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: 0 0 2rem 2rem; }
.timeline-item::before { content: ""; position: absolute; left: -5px; top: .5rem; width: 9px; height: 9px; border-radius: 50%; background: var(--bronze); box-shadow: 0 0 0 6px var(--stone-0); }
.timeline-date { color: var(--bronze); font-size: .7rem; font-weight: 900; letter-spacing: .08em; }
.timeline-copy h3 { margin: -.2rem 0 .35rem; font-family: var(--serif); font-size: 1.3rem; font-weight: 400; }
.timeline-copy p { margin: 0; color: var(--muted); font-size: .88rem; }

.finale { margin-bottom: clamp(5rem, 10vw, 9rem); padding: clamp(3rem, 7vw, 6rem); color: #eef0ea; background: #17201f; }
.finale h2 { color: #f2eee5; }
.finale > p:not(.kicker) { max-width: 760px; color: #b9c1be; font-size: 1.05rem; }
.finale .primary-button { margin-top: 1.5rem; border-color: #e7e0d4; color: #f1ebe1; }
.finale .primary-button:hover { color: #171d1c; background: #f1ebe1; }

.view-hero { padding-block: clamp(4rem, 9vw, 8rem) clamp(2.5rem, 5vw, 5rem); }
.view-hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(4rem, 10vw, 8rem); font-weight: 400; line-height: .85; letter-spacing: -.06em; }
.view-hero > p:last-child { max-width: 720px; margin: 1.5rem 0 0; color: var(--muted); font-family: var(--serif); font-size: clamp(1.15rem, 2.2vw, 1.55rem); line-height: 1.4; }
.evidence-toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 2rem; }
.search-box { position: relative; display: flex; align-items: center; width: min(100%, 420px); }
.search-box input { width: 100%; border: 0; border-bottom: 1px solid var(--ink); padding: .8rem 2rem .8rem 0; color: var(--ink); background: transparent; outline: none; }
.search-box input::placeholder { color: var(--muted); }
.search-box span:last-child { position: absolute; right: 0; font-size: 1.3rem; }
.filter-group { display: flex; flex-wrap: wrap; gap: .4rem; }
.filter-button { border: 1px solid var(--line); border-radius: 999px; padding: .48rem .72rem; color: var(--muted); background: var(--surface); font-size: .68rem; font-weight: 800; cursor: pointer; }
.filter-button.is-active { border-color: var(--ink); color: var(--stone-0); background: var(--ink); }
.evidence-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; padding-bottom: 7rem; }
.evidence-card { display: flex; flex-direction: column; min-height: 290px; border: 1px solid var(--line); padding: 1.35rem; background: var(--surface); box-shadow: 0 5px 20px rgba(20,30,30,.04); }
.evidence-card:hover { border-color: rgba(155,109,53,.65); transform: translateY(-2px); box-shadow: var(--shadow); }
.evidence-meta { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.evidence-category { color: var(--muted); font-size: .64rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.evidence-card h2 { margin: 1rem 0 .7rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; line-height: 1.05; }
.evidence-card p { margin: 0; color: var(--muted); font-size: .88rem; }
.open-evidence { margin-top: auto; border: 0; border-top: 1px solid var(--line); padding: .9rem 0 0; color: var(--blue); text-align: left; background: transparent; font-size: .72rem; font-weight: 850; cursor: pointer; }
.empty-state { padding-bottom: 6rem; color: var(--muted); }

.evidence-dialog { width: min(760px, calc(100% - 2rem)); max-height: calc(100svh - 2rem); border: 0; padding: 0; color: var(--ink); background: var(--stone-0); box-shadow: 0 30px 100px rgba(0,0,0,.35); }
.evidence-dialog::backdrop { background: rgba(9, 15, 15, .72); backdrop-filter: blur(5px); }
.dialog-close { position: sticky; z-index: 2; top: .8rem; float: right; margin: .8rem .8rem 0 0; width: 2.6rem; height: 2.6rem; border: 1px solid var(--line); border-radius: 50%; background: var(--stone-0); font-size: 1.5rem; cursor: pointer; }
.dialog-inner { padding: clamp(2rem, 6vw, 4.5rem); }
.dialog-inner h2 { max-width: 560px; margin: 1rem 0; font-family: var(--serif); font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 400; line-height: .95; letter-spacing: -.04em; }
.dialog-claim { color: var(--muted); font-family: var(--serif); font-size: 1.2rem; }
.proof-anatomy { margin-top: 2rem; }
.proof-row { display: grid; grid-template-columns: 11rem 1fr; gap: 1.2rem; padding: 1.1rem 0; border-top: 1px solid var(--line); }
.proof-row dt { color: var(--bronze); font-size: .67rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.proof-row dd { margin: 0; }
.proof-row.not { margin-top: .5rem; padding: 1.1rem; border: 1px solid rgba(157,79,62,.35); background: rgba(157,79,62,.06); }

.lab-list { display: grid; gap: 1.2rem; padding-bottom: 8rem; }
.lab-case { display: grid; grid-template-columns: 180px minmax(0, 1fr); border: 1px solid var(--line); background: var(--surface); }
.lab-aside { padding: 1.5rem; color: #e7e7df; background: #17201f; }
.lab-aside span { color: #c9a672; font-size: .67rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.lab-aside h2 { margin: .7rem 0 0; font-family: var(--serif); font-size: 1.7rem; font-weight: 400; }
.lab-main { padding: clamp(1.5rem, 4vw, 3rem); }
.lab-question { margin: 0 0 1.5rem; font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 1.15; }
.fact-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.5rem; }
.fact { border: 1px solid var(--line); border-radius: 999px; padding: .45rem .7rem; color: var(--muted); font-size: .72rem; }
.lab-prompt { color: var(--muted); font-size: .9rem; }
.lab-main textarea { width: 100%; min-height: 125px; resize: vertical; border: 1px solid var(--line); border-radius: 0; padding: 1rem; color: var(--ink); background: var(--stone-0); outline: none; }
.lab-main textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(36,93,114,.1); }
.lab-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; margin-top: .8rem; }
.lab-save, .lab-reveal { border: 1px solid var(--ink); padding: .65rem .85rem; background: transparent; font-size: .72rem; font-weight: 800; cursor: pointer; }
.lab-reveal { color: var(--stone-0); background: var(--ink); }
.save-state { color: var(--muted); font-size: .68rem; }
.lab-verdict { margin-top: 1.2rem; padding: 1.2rem; border-left: 3px solid var(--bronze); background: var(--stone-1); }
.lab-verdict[hidden] { display: none; }
.lab-verdict h3 { margin: 0 0 .5rem; font-family: var(--serif); font-size: 1.25rem; font-weight: 400; }
.lab-verdict p { margin: 0; color: var(--muted); }
.lab-evidence-links { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .8rem; }
.lab-evidence-links button { border: 0; padding: 0; color: var(--blue); background: transparent; font-size: .7rem; text-decoration: underline; cursor: pointer; }

.sources-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); padding-bottom: 5rem; }
.sources-index { position: sticky; top: calc(var(--topbar) + 2rem); align-self: start; display: grid; gap: .4rem; }
.sources-index a { border-left: 1px solid var(--line); padding: .55rem 0 .55rem 1rem; color: var(--muted); font-size: .8rem; text-decoration: none; }
.sources-index a:hover { border-left-color: var(--bronze); color: var(--ink); }
.source-group { scroll-margin-top: calc(var(--topbar) + 2rem); padding: 0 0 3rem; }
.source-group + .source-group { padding-top: 3rem; border-top: 1px solid var(--line); }
.source-group h2 { margin: 0 0 1.5rem; font-family: var(--serif); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 400; }
.source-group ol { margin: 0; padding-left: 1.4rem; }
.source-group li { margin: 0 0 1rem; padding-left: .6rem; color: var(--muted); }
.responsibility { margin-bottom: 7rem; padding: clamp(2rem, 5vw, 4rem); border: 1px solid var(--line); background: var(--stone-1); }
.responsibility h2 { margin: 0 0 .8rem; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.responsibility p { max-width: 840px; margin: 0; color: var(--muted); }

.site-footer { display: flex; justify-content: space-between; gap: 2rem; padding: 2.5rem max(1rem, calc((100vw - 1180px)/2)); color: #aeb8b5; background: #111719; font-size: .76rem; }
.site-footer div { display: grid; gap: .2rem; }
.site-footer div:last-child { text-align: right; }
.site-footer strong { color: #f0ece4; }
.site-footer a { color: #d4b47e; }

.drawer-backdrop { position: fixed; z-index: 130; inset: 0; background: rgba(6,10,10,.66); }
.mobile-drawer { position: fixed; z-index: 140; top: 0; right: 0; bottom: 0; width: min(86vw, 360px); transform: translateX(105%); padding: 5rem 1.3rem 2rem; color: #eee9e0; background: #141c1b; transition: transform .25s ease; }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-close { position: absolute; top: 1rem; right: 1rem; width: 2.6rem; height: 2.6rem; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; color: #fff; background: transparent; font-size: 1.5rem; }
.mobile-drawer > button:not(.drawer-close) { display: block; width: 100%; border: 0; border-bottom: 1px solid rgba(255,255,255,.12); padding: 1rem 0; color: #eee9e0; text-align: left; background: transparent; font-family: var(--serif); font-size: 1.45rem; }
.mobile-drawer hr { border: 0; border-top: 1px solid rgba(255,255,255,.12); margin: 2rem 0; }
.mobile-drawer a { color: #cbb082; font-size: .85rem; }
.offline-status { position: fixed; z-index: 160; left: 50%; bottom: 1rem; transform: translate(-50%, 150%); border-radius: 999px; padding: .7rem 1rem; color: #fff; background: #17201f; box-shadow: var(--shadow); font-size: .75rem; transition: transform .25s ease; }
.offline-status.show { transform: translate(-50%, 0); }

@keyframes reveal { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .topbar { grid-template-columns: 1fr auto; }
  .mode-nav { display: none; }
  .mobile-only { display: inline-grid; place-items: center; }
  .absence { right: -8vw; opacity: .62; width: 50vw; }
  .scale-panel { grid-template-columns: 1fr; }
  .story-layout { grid-template-columns: 1fr; }
  .chapter-rail { position: static; overflow-x: auto; padding-bottom: .5rem; }
  .chapter-rail .rail-label { display: none; }
  .chapter-rail ol { display: flex; min-width: max-content; }
  .chapter-nav-button { width: 180px; border: 0; border-bottom: 1px solid var(--line); padding: .7rem; }
  .chapter-nav-button::before { left: 0; top: auto; bottom: -2px; width: 0; height: 3px; transform: none; transition: width .2s ease; }
  .chapter-nav-button.is-active::before { width: 100%; height: 3px; }
  .progress-box { display: none; }
  .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .map-wrap { grid-template-columns: 1fr; }
  .map-info { border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 720px) {
  :root { --topbar: 64px; }
  .topbar { padding-inline: .8rem; }
  .brand-mark { width: 2rem; height: 2rem; }
  .brand strong { font-size: .7rem; }
  .brand small { font-size: .6rem; }
  .hero { min-height: calc(100svh - var(--topbar)); }
  .hero-content { padding-top: 4.5rem; }
  .hero h1 { font-size: clamp(3.6rem, 18vw, 5.6rem); }
  .absence { right: -35vw; bottom: 7vh; width: 86vw; height: 51vh; opacity: .48; }
  .hero-note { display: none; }
  .method-intro { grid-template-columns: 1fr; }
  .scale-panel { padding: 1.3rem; }
  .scale-item { grid-template-columns: 2.2rem 1fr; gap: .7rem; }
  .scale-item p { grid-column: 2; }
  .chapter-header { grid-template-columns: 1fr; gap: .7rem; }
  .chapter-number { font-size: 2rem; }
  .chapter-title-wrap h2 { font-size: clamp(2.9rem, 14vw, 4.6rem); }
  .chapter-lead { margin: 2rem 0; padding: 1rem 0 1rem 1rem; }
  .deep-panel { padding: 1.3rem; }
  .evidence-link-card { grid-template-columns: auto 1fr; }
  .evidence-link-card > span:last-child { display: none; }
  .paradox-visual { grid-template-columns: 1fr; }
  .paradox-divider { width: 100%; height: 2.3rem; }
  .inscription-conclusion { grid-template-columns: 1fr; }
  .inscription-conclusion div + div { border-left: 0; }
  .worksite-visual, .limits-grid { grid-template-columns: 1fr; }
  .map-wrap { min-height: 650px; }
  .map-canvas { min-height: 420px; }
  .place-node { font-size: .59rem; padding: .35rem .45rem; }
  .place-node.core { width: 5rem; height: 5rem; }
  .topography-panel { grid-template-columns: 1fr; }
  .topography-legend { border-top: 1px solid var(--line); border-left: 0; }
  .timeline { margin-left: .35rem; }
  .timeline-item { grid-template-columns: 4.5rem 1fr; padding-left: 1.3rem; }
  .evidence-toolbar { align-items: stretch; }
  .search-box { width: 100%; }
  .evidence-grid { grid-template-columns: 1fr; }
  .evidence-card { min-height: 250px; }
  .proof-row { grid-template-columns: 1fr; gap: .4rem; }
  .lab-case { grid-template-columns: 1fr; }
  .lab-aside { min-height: 120px; }
  .sources-layout { grid-template-columns: 1fr; }
  .sources-index { position: static; display: flex; overflow-x: auto; }
  .sources-index a { min-width: 165px; }
  .site-footer { flex-direction: column; }
  .site-footer div:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (prefers-contrast: more) {
  :root { --line: rgba(23,26,25,.45); }
  [data-theme="dark"] { --line: rgba(255,255,255,.48); }
  .evidence-card, .scale-panel, .lab-case { border-width: 2px; }
}