:root {
  --ink: #17282e;
  --deep: #102832;
  --deep-2: #183b45;
  --paper: #edf1ed;
  --cream: #f5efe6;
  --warm: #e9e1d4;
  --line: #b8c7c1;
  --muted: #5e6c6b;
  --wine: #57233f;
  --oxide: #ae503d;
  --gold: #efc44d;
  --sea: #4b7f88;
  --white: #fffdf8;
  --shadow: 0 22px 60px rgb(16 40 50 / 12%);
  --shell: min(1240px, calc(100% - 48px));
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: "Public Sans", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: .28;
  background-image: linear-gradient(rgb(23 40 46 / 5%) 1px, transparent 1px), linear-gradient(90deg, rgb(23 40 46 / 5%) 1px, transparent 1px);
  background-size: 28px 28px;
}

a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }

#top { position: absolute; top: 0; left: 0; width: 1px; height: 1px; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 20;
  top: 12px;
  left: 12px;
  padding: .55rem .8rem;
  color: var(--deep);
  background: var(--gold);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgb(184 199 193 / 75%);
  background: rgb(237 241 237 / 91%);
  backdrop-filter: blur(14px);
}
.header-inner {
  display: flex;
  align-items: center;
  min-height: 68px;
  gap: 24px;
}
.site-mark {
  color: var(--deep);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.3;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: clamp(12px, 2vw, 30px);
}
.site-nav a,
.language-link {
  color: var(--muted);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .05em;
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a:hover, .language-link:hover { color: var(--wine); }
.language-switcher { display: flex; align-items: center; gap: 7px; }
.language-label { margin-right: 3px; color: var(--muted); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .62rem; text-transform: uppercase; }
.language-link { padding: 6px 4px; border-bottom: 2px solid transparent; }
.language-link.is-current { border-color: var(--wine); color: var(--wine); }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(60px, 9vw, 120px) 0 0;
  color: var(--white);
  background: var(--deep);
}
.hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: .3;
  background-image: linear-gradient(rgb(245 239 230 / 10%) 1px, transparent 1px), linear-gradient(90deg, rgb(245 239 230 / 10%) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(360px, .9fr); align-items: center; gap: clamp(36px, 7vw, 112px); }
.eyebrow,
.micro-label,
.language-label,
.signal small,
.license-card-top,
.license-card-switch,
.timeline-meta,
.scenario-index,
.watch-number,
.source-number,
.source-open,
.footer-updated {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.35;
  text-transform: uppercase;
}
.eyebrow { margin: 0 0 18px; color: var(--wine); }
.eyebrow.light { color: var(--gold); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, h2 { font-family: Newsreader, Georgia, serif; font-weight: 500; letter-spacing: -.045em; line-height: .98; }
h1 { max-width: 760px; margin-bottom: 28px; font-size: clamp(3.5rem, 7.5vw, 7.9rem); }
h2 { margin-bottom: 24px; font-size: clamp(2.5rem, 5vw, 5.4rem); }
h3 { font-family: Newsreader, Georgia, serif; font-size: clamp(1.45rem, 2.2vw, 2.15rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.03; }
.hero-standfirst { max-width: 740px; margin-bottom: 28px; color: rgb(255 253 248 / 86%); font-size: clamp(1.12rem, 1.55vw, 1.4rem); line-height: 1.55; }
.hero-note { display: flex; max-width: 700px; gap: 11px; margin-bottom: 0; color: rgb(255 253 248 / 57%); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .7rem; line-height: 1.55; text-transform: uppercase; }
.note-mark { flex: 0 0 auto; color: var(--gold); font-size: 1rem; }

.license-figure { position: relative; min-height: 520px; margin: 0; }
.license-figure figcaption { position: absolute; right: 0; bottom: -2px; max-width: 250px; color: rgb(255 253 248 / 52%); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .63rem; line-height: 1.5; text-align: right; text-transform: uppercase; }
.city-block { position: absolute; right: 7%; bottom: 12px; width: 74%; height: 74%; opacity: .72; }
.city-roof { position: absolute; top: 5%; left: 10%; width: 76%; height: 20%; border: 2px solid var(--sea); border-bottom: 0; transform: skewX(-21deg); background: linear-gradient(90deg, transparent 0 24%, rgb(239 196 77 / 35%) 24% 25%, transparent 25% 50%, rgb(239 196 77 / 35%) 50% 51%, transparent 51%); }
.city-facade { position: absolute; right: 0; bottom: 6%; left: 8%; display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: 1fr; gap: 11px; padding: 25px 22px; border: 2px solid var(--sea); background: linear-gradient(115deg, rgb(75 127 136 / 18%), rgb(16 40 50 / 68%)); transform: skewY(-6deg); }
.window { display: block; min-height: 32px; border: 1px solid rgb(239 196 77 / 56%); background: linear-gradient(135deg, rgb(239 196 77 / 12%), rgb(239 196 77 / 45%)); }
.window-1, .window-4 { background: linear-gradient(135deg, rgb(174 80 61 / 45%), rgb(239 196 77 / 12%)); }
.window-2 { opacity: .46; }
.city-ground { position: absolute; right: -5%; bottom: 0; left: -8%; height: 6%; background: var(--gold); transform: skewX(-28deg); }
.license-card { position: absolute; z-index: 2; top: 16%; left: 0; width: min(340px, 75%); padding: 24px 26px 28px; border: 2px solid var(--gold); color: var(--deep); background: var(--cream); box-shadow: 18px 24px 0 rgb(174 80 61 / 42%); transform: rotate(-3deg); }
.license-card::before { position: absolute; top: -15px; right: 22px; width: 60px; height: 22px; border: 1px solid rgb(239 196 77 / 70%); background: rgb(239 196 77 / 22%); content: ""; transform: rotate(3deg); }
.license-card-top { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 17px; border-bottom: 1px solid var(--line); color: var(--sea); font-size: .58rem; }
.license-card-date { margin: 20px 0 12px; color: var(--wine); font-family: Newsreader, Georgia, serif; font-size: clamp(5rem, 10vw, 8.3rem); letter-spacing: -.09em; line-height: .78; }
.license-card-switch { display: flex; align-items: center; gap: 10px; color: var(--oxide); font-size: .62rem; }
.switch-dot { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--oxide); border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgb(174 80 61 / 15%); }
.license-card-rule { height: 5px; margin: 22px 0 16px; background: linear-gradient(90deg, var(--wine) 0 58%, var(--gold) 58%); }
.license-card p { max-width: 230px; margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.45; }
.signal-row { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 78px; border-top: 1px solid rgb(255 253 248 / 19%); }
.signal { min-height: 170px; padding: 26px 22px 28px 0; border-right: 1px solid rgb(255 253 248 / 19%); }
.signal + .signal { padding-left: 26px; }
.signal:last-child { border-right: 0; }
.signal strong { display: block; margin-bottom: 4px; color: var(--gold); font-family: Newsreader, Georgia, serif; font-size: clamp(2.8rem, 5vw, 5.2rem); font-weight: 500; letter-spacing: -.06em; line-height: .9; }
.signal span { display: block; max-width: 230px; color: var(--white); font-family: Newsreader, Georgia, serif; font-size: 1.15rem; line-height: 1.15; }
.signal small { display: block; margin-top: 13px; color: rgb(255 253 248 / 50%); font-size: .58rem; }

.answer-bar { color: var(--white); background: var(--wine); }
.answer-grid { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); align-items: center; gap: 52px; padding: 44px 0 48px; }
.answer-grid h2 { margin-bottom: 0; color: var(--gold); font-size: clamp(2.3rem, 4vw, 4.5rem); }
.answer-grid > p { max-width: 710px; margin: 0; color: rgb(255 253 248 / 86%); font-size: clamp(1.02rem, 1.4vw, 1.2rem); line-height: 1.55; }

.section { padding: clamp(76px, 10vw, 145px) 0; }
.section-paper { background: var(--paper); }
.section-cream { background: var(--cream); }
.section-blueprint { color: var(--ink); background: #dfe9e4; background-image: linear-gradient(rgb(75 127 136 / 12%) 1px, transparent 1px), linear-gradient(90deg, rgb(75 127 136 / 12%) 1px, transparent 1px); background-size: 32px 32px; }
.section-dark { color: var(--white); background: var(--deep); }
.section-wine { color: var(--white); background: var(--wine); }
.section-heading { max-width: 830px; margin-bottom: 62px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading .section-intro { margin: 8px 0 0; }
.split-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .75fr); align-items: end; gap: clamp(30px, 8vw, 128px); max-width: none; }
.split-heading .section-intro { margin-bottom: 3px; }
.section-intro { color: var(--muted); font-size: 1.04rem; line-height: 1.62; }
.dark-heading .section-intro { color: rgb(255 253 248 / 66%); }
.pull-quote { max-width: 820px; margin: 0 0 46px; color: var(--oxide); font-family: Newsreader, Georgia, serif; font-size: clamp(2rem, 4vw, 4.4rem); letter-spacing: -.04em; line-height: .98; }
.question-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: stretch; gap: 22px; }
.question-card { min-height: 340px; padding: 30px 28px; border: 1px solid var(--line); background: rgb(255 253 248 / 44%); }
.question-card h3 { margin-bottom: 18px; }
.question-card p:last-child { margin: 0; color: var(--muted); line-height: 1.58; }
.question-1 { border-top: 7px solid var(--oxide); }
.question-2 { margin-top: 38px; border-top: 7px solid var(--sea); background: rgb(223 233 228 / 70%); }
.question-3 { border-top: 7px solid var(--gold); background: rgb(245 239 230 / 70%); }
.type-fact .micro-label { color: var(--oxide); }
.type-reading .micro-label { color: var(--sea); }
.type-open .micro-label { color: #9b7b23; }
.source-ref { display: inline-block; margin-left: .25rem; color: var(--oxide); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .68em; font-weight: 600; text-decoration: none; vertical-align: super; }
.section-dark .source-ref, .section-wine .source-ref { color: var(--gold); }
.source-ref:hover { text-decoration: underline; }

.stack-module { display: grid; grid-template-columns: minmax(230px, .42fr) minmax(0, 1fr); min-height: 460px; border-top: 1px solid rgb(255 253 248 / 22%); border-bottom: 1px solid rgb(255 253 248 / 22%); }
.stack-tabs { display: flex; flex-direction: column; border-right: 1px solid rgb(255 253 248 / 22%); }
.stack-tab, .scenario-tab { display: flex; align-items: center; gap: 18px; width: 100%; border: 0; border-bottom: 1px solid rgb(255 253 248 / 15%); color: rgb(255 253 248 / 57%); background: transparent; cursor: pointer; text-align: left; }
.stack-tab { min-height: 108px; padding: 18px 22px; }
.stack-tab[aria-selected="true"] { color: var(--white); background: var(--deep-2); }
.tab-number, .scenario-index { flex: 0 0 auto; color: var(--gold); font-size: .69rem; }
.stack-tab strong, .scenario-tab strong { display: block; margin-bottom: 4px; font-family: Newsreader, Georgia, serif; font-size: 1.4rem; font-weight: 500; letter-spacing: -.02em; line-height: 1; }
.stack-tab small, .scenario-tab small { display: block; color: inherit; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .57rem; line-height: 1.3; text-transform: uppercase; }
.stack-panels { display: flex; align-items: center; padding: clamp(30px, 6vw, 80px); }
.stack-panel { display: grid; grid-template-columns: 92px minmax(0, 1fr); align-items: start; gap: 28px; width: 100%; }
.panel-id { color: var(--gold); font-family: Newsreader, Georgia, serif; font-size: clamp(4.5rem, 8vw, 8rem); letter-spacing: -.08em; line-height: .8; }
.stack-panel h3 { max-width: 580px; margin-bottom: 18px; color: var(--gold); font-size: clamp(2rem, 4vw, 4.2rem); }
.stack-panel p { max-width: 650px; color: rgb(255 253 248 / 74%); font-size: 1.08rem; line-height: 1.6; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.tag-row span { padding: 6px 9px; border: 1px solid rgb(239 196 77 / 50%); color: var(--gold); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .61rem; text-transform: uppercase; }
.nojs-stack, .nojs-conversion { display: grid; gap: 20px; margin-top: 28px; }
.nojs-panel { padding: 22px; border: 1px solid rgb(255 253 248 / 20%); }
.nojs-panel h3 { color: var(--gold); }
.js + body noscript { display: none; }

.capacity-context { max-width: 880px; margin: -28px 0 42px; color: var(--muted); font-size: 1.02rem; line-height: 1.62; }
.capacity-lead { margin-bottom: 48px; }
.capacity-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capacity-stat { min-height: 350px; padding: 28px 24px 30px 0; border-right: 1px solid var(--line); }
.capacity-stat + .capacity-stat { padding-left: 24px; }
.capacity-stat:last-child { border-right: 0; }
.capacity-stat > strong { display: block; margin-bottom: 18px; color: var(--oxide); font-family: Newsreader, Georgia, serif; font-size: clamp(3rem, 5vw, 5.4rem); font-weight: 500; letter-spacing: -.07em; line-height: .9; }
.capacity-stat h3 { margin: 12px 0 14px; font-size: 1.5rem; }
.capacity-stat p:last-child { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.capacity-stat.type-estimate .micro-label { color: var(--sea); }
.capacity-arguments { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 42px; }
.capacity-argument { min-height: 300px; padding: 28px 28px 30px; border: 1px solid var(--line); background: rgb(255 253 248 / 42%); }
.capacity-argument-pro { border-top: 7px solid var(--sea); background: rgb(223 233 228 / 70%); }
.capacity-argument-contra { border-top: 7px solid var(--oxide); background: rgb(245 239 230 / 75%); }
.capacity-argument h3 { margin: 16px 0 14px; }
.capacity-argument p:last-child { margin: 0; color: var(--muted); line-height: 1.58; }
.capacity-argument-pro .micro-label { color: var(--sea); }
.capacity-argument-contra .micro-label { color: var(--oxide); }
.capacity-bridge { margin-top: 42px; padding: 30px 32px; border: 1px solid var(--line); border-left: 7px solid var(--gold); background: rgb(245 239 230 / 82%); }
.capacity-bridge h3 { margin: 12px 0 12px; color: var(--wine); }
.capacity-bridge p:last-child { max-width: 850px; margin: 0; color: var(--muted); line-height: 1.58; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(7, minmax(145px, 1fr)); gap: 0; margin: 0; padding: 28px 0 0; list-style: none; }
.timeline::before { position: absolute; top: 43px; right: 4%; left: 4%; height: 2px; background: var(--line); content: ""; }
.timeline-event { position: relative; display: grid; grid-template-rows: 44px auto; min-width: 0; padding: 0 18px 0 0; }
.timeline-event:not(:first-child) { padding-left: 18px; border-left: 1px solid var(--line); }
.timeline-pin { position: relative; z-index: 1; width: 17px; height: 17px; margin: 0 0 0 3px; border: 4px solid var(--cream); border-radius: 50%; background: var(--sea); box-shadow: 0 0 0 1px var(--sea); }
.is-endpoint .timeline-pin { background: var(--oxide); box-shadow: 0 0 0 1px var(--oxide), 0 0 0 7px rgb(174 80 61 / 18%); }
.timeline-meta { display: flex; flex-direction: column; gap: 2px; color: var(--oxide); }
.timeline-meta strong { font-size: 1.25rem; }
.timeline-meta span { color: var(--muted); font-size: .57rem; }
.timeline-copy h3 { margin: 26px 0 13px; font-size: 1.47rem; }
.timeline-copy p { margin: 0; color: var(--muted); font-size: .87rem; line-height: 1.55; }

.section-wine .section-heading { margin-bottom: 56px; }
.conversion-module { display: grid; grid-template-columns: minmax(250px, .43fr) minmax(0, 1fr); min-height: 500px; border-top: 1px solid rgb(255 253 248 / 23%); border-bottom: 1px solid rgb(255 253 248 / 23%); }
.scenario-tabs { display: flex; flex-direction: column; border-right: 1px solid rgb(255 253 248 / 23%); }
.scenario-tab { min-height: 92px; padding: 15px 22px; border-bottom-color: rgb(255 253 248 / 16%); }
.scenario-tab[aria-selected="true"] { color: var(--white); background: rgb(16 40 50 / 42%); }
.scenario-tab strong { font-size: 1.28rem; }
.scenario-tab small { color: rgb(255 253 248 / 55%); }
.scenario-stage { display: flex; align-items: center; padding: clamp(28px, 6vw, 80px); }
.scenario-panel { width: 100%; }
.scenario-verdict { color: var(--gold); font-family: Newsreader, Georgia, serif; font-size: clamp(1.8rem, 3vw, 3.3rem); letter-spacing: -.035em; line-height: 1.04; }
.scenario-panel > p:not(.scenario-verdict) { max-width: 720px; color: rgb(255 253 248 / 74%); font-size: 1.05rem; }
.scenario-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 36px; }
.scenario-columns .micro-label { color: var(--gold); }
.check-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; color: rgb(255 253 248 / 72%); font-size: .9rem; }
.check-list li { position: relative; padding-left: 22px; }
.check-list li::before { position: absolute; top: .62em; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); content: ""; }
.unknown-block { padding-left: 24px; border-left: 1px solid rgb(255 253 248 / 23%); }
.unknown-block p:last-child { margin: 0; color: rgb(255 253 248 / 66%); font-size: .9rem; }

.evidence-ledger { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.evidence-item { min-height: 305px; padding: 26px 24px 28px 0; border-right: 1px solid var(--line); }
.evidence-item + .evidence-item { padding-left: 24px; }
.evidence-item:last-child { border-right: 0; }
.evidence-item > strong { display: block; margin-bottom: 17px; color: var(--oxide); font-family: Newsreader, Georgia, serif; font-size: clamp(3rem, 5vw, 5.2rem); font-weight: 500; letter-spacing: -.07em; line-height: .9; }
.evidence-item h3 { margin-bottom: 14px; font-size: 1.45rem; }
.evidence-item p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }
.dictionary { display: grid; grid-template-columns: minmax(230px, .55fr) minmax(0, 1fr); gap: 70px; padding-top: 72px; }
.dictionary dl { margin: 0; border-top: 1px solid var(--line); }
.dictionary dl > div { display: grid; grid-template-columns: minmax(110px, .27fr) 1fr; gap: 28px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.dictionary dt { color: var(--wine); font-family: Newsreader, Georgia, serif; font-size: 1.5rem; line-height: 1.1; }
.dictionary dd { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.55; }

.table-wrap { overflow-x: auto; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
table { width: 100%; min-width: 840px; border-collapse: collapse; }
th, td { padding: 20px 18px; border-bottom: 1px solid var(--line); vertical-align: top; text-align: left; }
thead th { color: var(--oxide); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .64rem; letter-spacing: .08em; text-transform: uppercase; }
tbody th { width: 18%; color: var(--wine); font-family: Newsreader, Georgia, serif; font-size: 1.55rem; font-weight: 500; line-height: 1.05; }
tbody td { width: 27%; color: var(--muted); font-size: .9rem; line-height: 1.52; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }

.watch-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid rgb(23 40 46 / 35%); }
.watch-list li { position: relative; display: grid; grid-template-columns: 90px minmax(0, 1fr) 17%; align-items: center; gap: 26px; padding: 26px 0; border-bottom: 1px solid rgb(23 40 46 / 35%); }
.watch-number { color: var(--oxide); font-size: .75rem; }
.watch-list h3 { margin-bottom: 6px; color: var(--wine); font-size: 1.65rem; }
.watch-list p { max-width: 720px; margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.5; }
.watch-rule { width: 100%; height: 10px; border: 1px solid var(--sea); background: linear-gradient(90deg, var(--sea) 0 66%, transparent 66%); }
.watch-list li:nth-child(2n) .watch-rule { background: linear-gradient(90deg, var(--gold) 0 48%, transparent 48%); }
.watch-list li:nth-child(3n) .watch-rule { background: linear-gradient(90deg, var(--oxide) 0 82%, transparent 82%); }

.faq-layout { display: grid; grid-template-columns: minmax(260px, .6fr) minmax(0, 1fr); gap: 90px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { display: grid; grid-template-columns: 52px 1fr 24px; align-items: center; gap: 12px; padding: 21px 0; color: var(--wine); cursor: pointer; font-family: Newsreader, Georgia, serif; font-size: clamp(1.25rem, 2vw, 1.7rem); letter-spacing: -.02em; line-height: 1.08; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { color: var(--oxide); content: "+"; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 1.1rem; }
details[open] summary::after { content: "−"; }
summary span { color: var(--oxide); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .65rem; }
.faq-answer { padding: 0 36px 22px 64px; }
.faq-answer p { max-width: 680px; margin: 0; color: var(--muted); font-size: .94rem; line-height: 1.6; }

.sources-section { background: var(--deep); }
.source-method { max-width: 760px; margin: -24px 0 54px; padding-left: 18px; border-left: 3px solid var(--gold); color: rgb(255 253 248 / 69%); font-size: .93rem; }
.source-list { border-top: 1px solid rgb(255 253 248 / 25%); }
.source-row { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; gap: 24px; padding: 25px 0; border-bottom: 1px solid rgb(255 253 248 / 20%); }
.source-number { color: var(--gold); font-size: .76rem; }
.source-copy .micro-label { margin-bottom: 10px; color: rgb(255 253 248 / 48%); font-size: .59rem; }
.source-copy h3 { margin-bottom: 10px; color: var(--white); font-size: clamp(1.35rem, 2.2vw, 2rem); }
.source-copy > p:not(.micro-label) { max-width: 800px; margin: 0; color: rgb(255 253 248 / 68%); font-size: .9rem; line-height: 1.55; }
.source-open { align-self: center; padding: 10px 0 10px 14px; color: var(--gold); font-size: .62rem; text-decoration: none; white-space: nowrap; }
.source-open:hover { text-decoration: underline; }
.related-links { margin-top: 12px !important; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .66rem !important; }
.related-links span { color: var(--gold); }
.related-links a { color: rgb(255 253 248 / 70%); }
.source-footer { display: flex; justify-content: space-between; gap: 20px; margin-top: 25px; color: rgb(255 253 248 / 45%); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .63rem; letter-spacing: .04em; text-transform: uppercase; }

.site-footer { position: relative; color: rgb(255 253 248 / 78%); background: #0a1e26; }
.footer-grid { position: relative; display: grid; grid-template-columns: 1.2fr .8fr auto; gap: 38px; align-items: center; min-height: 240px; padding: 42px 0; }
.footer-author { display: inline-block; margin-bottom: 15px; color: var(--gold); font-family: Newsreader, Georgia, serif; font-size: 1.6rem; text-decoration: none; }
.footer-grid p { max-width: 540px; margin: 0; color: rgb(255 253 248 / 55%); font-size: .82rem; line-height: 1.5; }
.footer-note { color: rgb(255 253 248 / 78%) !important; font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .65rem !important; text-transform: uppercase; }
.footer-updated { margin-top: 14px !important; color: var(--gold) !important; font-size: .59rem !important; }
.back-to-top { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-width: 44px; min-height: 44px; padding: 8px 11px; border: 1px solid rgb(239 196 77 / 65%); color: var(--gold); font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: .68rem; text-decoration: none; transition: opacity .2s ease, transform .2s ease, background .2s ease; }
.back-to-top:hover { background: rgb(239 196 77 / 13%); }
.js .back-to-top.is-enhanced { position: fixed; z-index: 9; right: max(18px, env(safe-area-inset-right)); bottom: max(16px, var(--back-top-bottom, 16px)); opacity: 1; background: var(--deep); box-shadow: 0 10px 30px rgb(0 0 0 / 18%); }
.js .back-to-top:not(.is-enhanced) { opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(8px); }
.error-page { display: grid; min-height: 100vh; place-items: center; padding: 24px; background: var(--paper); }
.error-page main { max-width: 600px; }
.error-page h1 { font-size: clamp(3rem, 8vw, 6rem); }

[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 1000px) {
  .site-nav { gap: 12px; }
  .site-nav a { font-size: .59rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .license-figure { min-height: 440px; }
  .question-grid { grid-template-columns: 1fr 1fr; }
  .question-2 { margin-top: 0; }
  .signal-row { grid-template-columns: 1fr 1fr; }
  .signal:nth-child(2) { border-right: 0; }
  .signal:nth-child(-n + 2) { border-bottom: 1px solid rgb(255 253 248 / 19%); }
  .signal:nth-child(3) { padding-left: 0; }
  .capacity-stats { grid-template-columns: 1fr 1fr; }
  .capacity-stat:nth-child(2) { border-right: 0; }
  .capacity-stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .capacity-stat:nth-child(3) { padding-left: 0; }
  .evidence-ledger { grid-template-columns: 1fr 1fr; }
  .evidence-item:nth-child(2) { border-right: 0; }
  .evidence-item:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .evidence-item:nth-child(3) { padding-left: 0; }
  .timeline { grid-template-columns: repeat(4, 1fr); row-gap: 48px; }
  .timeline::before { display: none; }
  .timeline-event:not(:first-child) { border-left: 0; }
  .timeline-event:nth-child(n + 5) { border-top: 1px solid var(--line); padding-top: 28px; }
  .timeline-event:nth-child(5) { padding-left: 0; }
  .faq-layout { gap: 44px; }
}

@media (max-width: 720px) {
  :root { --shell: min(100% - 32px, 620px); }
  body { font-size: 16px; }
  .site-header { position: relative; }
  .header-inner { display: grid; grid-template-columns: 1fr auto; gap: 12px 16px; padding: 14px 0; }
  .site-nav { grid-column: 1 / -1; grid-row: 2; justify-content: flex-start; overflow-x: auto; padding-bottom: 2px; }
  .site-nav a { flex: 0 0 auto; font-size: .59rem; }
  .language-switcher { justify-self: end; }
  h1 { font-size: clamp(3rem, 14vw, 5rem); }
  h2 { font-size: clamp(2.35rem, 11vw, 4rem); }
  .hero { padding-top: 56px; }
  .hero-standfirst { font-size: 1.05rem; }
  .license-figure { min-height: 390px; margin-top: 16px; }
  .license-card { width: min(300px, 78%); }
  .city-block { right: -7%; width: 85%; }
  .signal-row { grid-template-columns: 1fr; margin-top: 45px; }
  .signal, .signal + .signal { min-height: auto; padding: 20px 0; border-right: 0; border-bottom: 1px solid rgb(255 253 248 / 19%); }
  .signal:last-child { border-bottom: 0; }
  .signal strong { font-size: 3.7rem; }
  .answer-grid, .split-heading, .dictionary, .faq-layout { grid-template-columns: 1fr; gap: 24px; }
  .answer-grid { padding: 34px 0 38px; }
  .section-heading { margin-bottom: 40px; }
  .pull-quote { margin-bottom: 32px; }
  .question-grid, .evidence-ledger { grid-template-columns: 1fr; }
  .capacity-stats, .capacity-arguments { grid-template-columns: 1fr; }
  .capacity-stat, .capacity-stat + .capacity-stat { min-height: auto; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .capacity-stat:last-child { border-bottom: 0; }
  .capacity-argument { min-height: auto; padding: 24px 22px; }
  .capacity-bridge { padding: 24px 22px; }
  .question-card { min-height: auto; padding: 24px 22px; }
  .evidence-item, .evidence-item + .evidence-item { min-height: auto; padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-item:last-child { border-bottom: 0; }
  .dictionary { padding-top: 52px; }
  .dictionary dl > div { grid-template-columns: 1fr; gap: 8px; }
  .stack-module, .conversion-module { grid-template-columns: 1fr; min-height: 0; }
  .stack-tabs, .scenario-tabs { border-right: 0; border-bottom: 1px solid rgb(255 253 248 / 23%); overflow-x: auto; flex-direction: row; }
  .stack-tab, .scenario-tab { flex: 0 0 190px; min-height: 110px; border-right: 1px solid rgb(255 253 248 / 15%); border-bottom: 0; }
  .stack-panels, .scenario-stage { padding: 34px 22px 40px; }
  .stack-panel { grid-template-columns: 1fr; gap: 18px; }
  .panel-id { font-size: 4rem; }
  .scenario-columns { grid-template-columns: 1fr; gap: 26px; }
  .unknown-block { padding: 20px 0 0; border-top: 1px solid rgb(255 253 248 / 23%); border-left: 0; }
  .timeline { grid-template-columns: 1fr; gap: 0; padding-top: 0; border-left: 2px solid var(--line); }
  .timeline-event, .timeline-event:not(:first-child), .timeline-event:nth-child(n + 5) { display: grid; grid-template-columns: 72px 1fr; grid-template-rows: auto; gap: 14px; padding: 0 0 40px 22px; border: 0; }
  .timeline-pin { position: absolute; top: 2px; left: -10px; margin: 0; }
  .timeline-meta { grid-column: 1; }
  .timeline-copy { grid-column: 2; }
  .timeline-copy h3 { margin: 0 0 10px; }
  .timeline-copy p { font-size: .87rem; }
  .watch-list li { grid-template-columns: 48px minmax(0, 1fr); gap: 14px; }
  .watch-rule { grid-column: 2; width: 60%; }
  th, td { padding: 16px 14px; }
  .faq-answer { padding-left: 52px; }
  .source-row { grid-template-columns: 38px 1fr; gap: 14px; }
  .source-open { grid-column: 2; justify-self: start; padding-left: 0; }
  .source-footer, .footer-grid { grid-template-columns: 1fr; display: grid; }
  .footer-grid { gap: 28px; min-height: 300px; }
  .back-to-top { justify-self: start; }
  .js .back-to-top.is-enhanced { right: max(16px, env(safe-area-inset-right)); }
}

@media (max-width: 420px) {
  .site-mark { max-width: 205px; font-size: .61rem; }
  .language-label { display: none; }
  .license-card { left: -4%; width: 86%; }
  .license-card-date { font-size: 5rem; }
  .city-block { right: -18%; width: 100%; opacity: .5; }
  .stack-tab, .scenario-tab { flex-basis: 172px; }
  .stack-tab strong, .scenario-tab strong { font-size: 1.17rem; }
}