/* BOMBANANA! Guide — base stylesheet.
   Token block = 02-design/20260913-bombanana/tokens_BOMBANANA.css (verbatim),
   then the "Bomb Manual in a Monkey Van" layout from the reviewed preview
   (02-design/20260913-bombanana/preview/{preview.css,home-final.css}).
   Class hooks consumed by check-geo.mjs / capture.cjs (h1, .btn, .btn.primary,
   details, .table-wrap, footer <strong>BOMBANANA! Guide</strong>, .byline,
   <time>) must survive edits.
   Fonts are local-only stacks (no Google Fonts CDN) so the privacy page's
   "only Google Analytics 4 is configured" statement stays accurate. */

:root {
  color-scheme: light;
  --surface-page: #fff4d6;
  --surface-paper: #fffaf0;
  --surface-ink: #123a59;
  --surface-panel: #e8f6ef;
  --surface-warning: #ffe16a;
  --surface-danger: #f9ddd5;
  --surface-screen: #b8f36b;

  --ink-primary: #28170e;
  --ink-secondary: #594333;
  --ink-muted: #725f50;
  --ink-on-dark: #fffaf0;
  --ink-on-warning: #28170e;

  --brand: #e94f12;
  --brand-text: #7a2600;
  --accent: #007f8c;
  --accent-text: #06464c;
  --state-verified: #17663a;
  --state-pending: #7a4c00;
  --state-absent: #8f261d;

  --border-soft: #d9c7a2;
  --border-strong: #28170e;
  --shadow-ink: #28170e;

  --font-display: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  --font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Courier New", ui-monospace, monospace;

  --step-1: 0.25rem;
  --step-2: 0.5rem;
  --step-3: 0.75rem;
  --step-4: 1rem;
  --step-5: 1.5rem;
  --step-6: 2rem;
  --step-7: 3rem;
  --step-8: 4.5rem;

  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.75rem;
  --content-wide: 75rem;
  --content-read: 48rem;
  /* The reviewed preview lays the desktop container out at 1280px
     (visual system section 2: max desktop container width 1280px); the token
     block above is kept verbatim, so the layout width is applied here. */
  --layout-wide: 80rem;

  --gutter: 2.5rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink-primary);
  background: var(--surface-page);
  font: 400 17px/1.55 var(--font-body);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
h1, h2, h3 { overflow-wrap: break-word; }
h1, h2, h3, .mission strong, .guide-grid strong, .start-list strong, .stat-grid dd, .facts strong {
  text-transform: uppercase;
}
a:focus-visible, summary:focus-visible, .table-wrap:focus-visible, .mission:focus-visible {
  outline: 3px solid var(--brand-text);
  outline-offset: 3px;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 99;
  padding: 0.7rem 1rem;
  color: var(--ink-on-dark);
  background: var(--surface-ink);
  font: 700 0.78rem/1 var(--font-mono);
  text-transform: uppercase;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }
.wrap { width: min(calc(100% - 2 * var(--gutter)), var(--layout-wide)); margin-inline: auto; }

/* ---------- header ---------- */
.site-header {
  min-height: 76px;
  display: flex;
  align-items: center;
  gap: var(--step-6);
  width: min(100%, var(--layout-wide));
  margin-inline: auto;
  padding: 0 var(--gutter);
  border-bottom: 2px solid var(--border-strong);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: -0.04em; }
.brand small { display: block; font: 700 10px/1 var(--font-mono); letter-spacing: 0.18em; }
.brand__spark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--ink-on-dark);
  background: var(--brand);
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  box-shadow: 3px 3px 0 var(--shadow-ink);
  font-size: 18px;
  line-height: 1;
}
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 14px; font-weight: 750; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; }
.nav-links a:hover { text-decoration: underline; text-underline-offset: 5px; }
.head-chip {
  padding: 7px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  font: 700 10px/1 var(--font-mono);
  white-space: nowrap;
}

/* ---------- VerificationStamp: mono uppercase chip + live light ---------- */
.vstamp {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 7px 11px;
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  background: var(--surface-paper);
  font: 700 11px/1.2 var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: left;
}
.vstamp-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--state-verified); box-shadow: 0 0 0 3px #bce4c9; flex: none; }
.vstamp--caution { color: var(--state-pending); }
.vstamp--caution .vstamp-dot { background: var(--state-pending); box-shadow: 0 0 0 3px #ecdcb4; }
.vstamp--limited { color: var(--state-absent); }
.vstamp--limited .vstamp-dot { background: var(--state-absent); box-shadow: 0 0 0 3px #eec9c4; }
.vstamp--inline { margin: var(--step-4) 0 0; }
.status-pill { max-width: 24rem; }

/* ---------- shared type ---------- */
.eyebrow, .label {
  margin: 0 0 12px;
  color: var(--brand-text);
  font: 800 12px/1.2 var(--font-mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.btn {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 0 19px;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-paper);
  color: var(--ink-primary);
  font: 850 13px/1 var(--font-mono);
  text-transform: uppercase;
  box-shadow: 4px 4px 0 var(--shadow-ink);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 6px 6px 0 var(--shadow-ink); }
.btn.primary { background: var(--brand); }
.btn.text { border-color: transparent; background: transparent; box-shadow: none; text-decoration: underline; text-underline-offset: 5px; }
.btn.text:hover { transform: none; box-shadow: none; }
.buttons, .actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- home: hero ---------- */
main { width: min(100%, var(--layout-wide)); margin-inline: auto; }
.hero {
  position: relative;
  min-height: 630px;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 42px;
  align-items: center;
  padding: 62px var(--gutter) 48px;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  right: 0;
  top: 12px;
  width: 560px;
  height: 560px;
  background: repeating-conic-gradient(from 8deg, var(--surface-warning) 0 9deg, transparent 9deg 18deg);
  border-radius: 50%;
  opacity: 0.42;
}
/* The reviewed preview bleeds this decorative disc 60px past the main column.
   Below 1440px that bleed would become a real horizontal scrollbar (the gutter
   is narrower than the bleed), so it is only applied once the gutter is wider. */
@media (min-width: 1440px) {
  .hero::before { right: -60px; }
}
.hero h1 { margin: 0; font: 400 clamp(4rem, 7.25vw, 6.4rem)/0.86 var(--font-display); letter-spacing: 0.008em; }
.hero h1 span { display: block; color: var(--brand); text-shadow: 4px 4px 0 var(--ink-primary); }
.kicker { margin: 14px 0 0; color: var(--brand-text); font: 800 12px/1.3 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.lede { max-width: 630px; margin: 22px 0 30px; font-size: 19px; color: var(--ink-secondary); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-secondary);
  font: 700 11px/1.4 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.hero-stats li::before { content: "✹"; margin-right: 0.45rem; color: var(--brand); }

/* Original CSS console illustration — no game artwork, no screenshots. */
.console {
  position: relative;
  height: 475px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: var(--surface-ink);
  border: 3px solid var(--border-strong);
  border-radius: 36px 90px 36px 36px;
  box-shadow: 10px 12px 0 var(--shadow-ink);
  overflow: hidden;
}
.console::before { content: ""; position: absolute; inset: 13px; border: 2px dashed #50708a; border-radius: 26px 75px 26px 26px; }
.console__wire { position: absolute; width: 260px; height: 170px; border: 8px solid transparent; border-radius: 50%; transform: rotate(28deg); }
.console__wire--red { left: -90px; top: 60px; border-top-color: #e63b2e; }
.console__wire--blue { right: -100px; bottom: 15px; border-top-color: var(--accent); transform: rotate(-30deg); }
.timer { position: absolute; z-index: 2; top: 30px; right: 28px; padding: 8px 15px; background: var(--surface-screen); border: 3px solid var(--border-strong); border-radius: 8px; box-shadow: 3px 3px 0 var(--shadow-ink); font-family: var(--font-mono); color: var(--ink-primary); }
.timer small { display: block; font-size: 8px; }
.timer strong { font-size: 24px; }
.manual-card {
  position: relative;
  z-index: 1;
  width: min(88%, 360px);
  padding: 31px 25px 25px 45px;
  background: var(--surface-paper);
  border: 3px solid var(--border-strong);
  border-radius: 8px 22px 22px 8px;
  transform: rotate(-2deg);
  box-shadow: 7px 8px 0 #ffbc2f;
}
.manual-card__rings { position: absolute; left: 13px; top: 33px; line-height: 2.2; color: var(--accent-text); }
.manual-card small { font: 700 9px/1 var(--font-mono); letter-spacing: 0.08em; }
.manual-card strong { display: block; margin-top: 12px; font: 400 28px/0.95 var(--font-display); }
.symbols { display: flex; gap: 9px; margin-top: 18px; }
.symbols span { display: grid; place-items: center; width: 42px; height: 42px; border: 2px solid var(--border-strong); border-radius: 50%; background: var(--surface-warning); }
.relay { z-index: 1; display: flex; align-items: center; gap: 9px; margin-top: 24px; }
.relay__role { display: grid; place-items: center; width: 64px; height: 64px; background: var(--surface-paper); border: 2px solid var(--border-strong); border-radius: 50%; }
.relay__role b { font-size: 22px; line-height: 1; }
.relay__role small { font: 700 8px/1 var(--font-mono); }
.relay i { width: 28px; height: 4px; background: var(--accent); border: 1px solid var(--ink-primary); }
.warning-tape { position: absolute; bottom: 18px; padding: 5px 16px; background: var(--surface-warning); color: var(--ink-on-warning); border: 2px solid var(--border-strong); font: 800 9px/1 var(--font-mono); text-transform: uppercase; transform: rotate(1deg); }

/* ---------- home: verified fact strip ---------- */
.facts {
  margin: 0 var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface-ink);
  color: var(--ink-on-dark);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.facts span { padding: 18px 22px; border-right: 1px solid #50708a; }
.facts span:last-child { border-right: 0; }
.facts small { display: block; color: #a9d6dd; font: 700 9px/1 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.facts strong { display: block; margin-top: 8px; font: 400 22px/1 var(--font-display); }

/* ---------- home: problem entry (MissionDial) ---------- */
.problem-entry { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 64px; padding: 105px var(--gutter) 90px; }
.section-intro { align-self: start; position: sticky; top: 30px; }
.section-intro--wide { position: static; max-width: 760px; }
.section-intro h2, .status-panel h2, .overview-panel h2, .publisher-panel h2,
.faq-panel h2, .guides-panel h2, .start-panel h2 {
  margin: 0;
  font: 400 48px/0.94 var(--font-display);
}
.section-intro > p:last-child { color: var(--ink-secondary); }
.mission-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.mission {
  min-height: 205px;
  display: flex;
  flex-direction: column;
  padding: 24px;
  background: var(--surface-warning);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 5px 5px 0 var(--shadow-ink);
  transition: transform 0.18s ease;
}
.mission:hover { transform: translateY(-3px); }
.mission--cyan { background: #c8f0ee; }
.mission--lime { background: #dff3bd; }
.mission--red { background: var(--surface-danger); }
.mission__index { font: 800 10px/1 var(--font-mono); letter-spacing: 0.12em; }
.mission strong { margin: auto 0 12px; font: 400 34px/1 var(--font-display); }
.mission small { font-size: 13px; color: var(--ink-secondary); }

/* ---------- home: first-run checklist ---------- */
.start-panel, .guides-panel { padding: 28px var(--gutter) 95px; }
.start-list { list-style: none; margin: 34px 0 0; padding: 0; border-top: 2px solid var(--border-strong); }
.start-list li { border-bottom: 2px solid var(--border-strong); }
.start-list a { display: grid; grid-template-columns: 70px 1fr 1.2fr; gap: 22px; align-items: center; padding: 22px 4px; }
.start-list span { color: var(--brand); font: 400 36px/1 var(--font-display); }
.start-list strong { font: 400 26px/1 var(--font-display); }
.start-list small { color: var(--ink-secondary); }

/* ---------- home: featured guides ---------- */
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.guide-grid a {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  background: var(--surface-paper);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: 5px 5px 0 var(--shadow-ink);
}
.guide-grid span { color: var(--accent-text); font: 700 25px/1 var(--font-mono); }
.guide-grid strong { margin: auto 0 10px; font: 400 29px/1 var(--font-display); }
.guide-grid small { color: var(--ink-secondary); }

/* ---------- home: launch board (status) ---------- */
.status-panel {
  margin: 0 var(--gutter) 80px;
  padding: 42px;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 60px;
  background: var(--surface-ink);
  color: var(--ink-on-dark);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 8px 8px 0 var(--shadow-ink);
}
.status-panel .eyebrow { color: #8ddde2; }
.status-panel dl { margin: 0; }
.status-panel dl div { display: grid; grid-template-columns: 155px 1fr; gap: 10px; padding: 16px 0; border-bottom: 1px solid #50708a; }
.status-panel dl div:last-child { border-bottom: 0; }
.status-panel dt { font: 700 11px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.status-panel dd { margin: 0; }
.status-panel dd a { text-decoration: underline; text-underline-offset: 4px; }
.status-source { display: inline-block; margin-top: 24px; color: var(--surface-screen); font: 700 10px/1 var(--font-mono); text-decoration: underline; text-underline-offset: 4px; }
.status-links { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 8px 0 0; font: 700 10px/1.4 var(--font-mono); text-transform: uppercase; }
.status-links a { color: var(--surface-screen); text-decoration: underline; text-underline-offset: 4px; }
.dot { display: inline-block; width: 10px; height: 10px; margin-right: 10px; border-radius: 50%; }
.dot--ok { background: #70dc91; }
.dot--wait { background: #ffd05b; }
.dot--off { background: #ff8374; }

/* ---------- home: game overview + fact grid ---------- */
.overview-panel, .publisher-panel {
  margin: 0 var(--gutter) 90px;
  padding: 42px;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  background: var(--surface-panel);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 8px 8px 0 var(--shadow-ink);
}
.overview-panel p, .publisher-panel p { color: var(--ink-secondary); }
.overview-panel .btn { margin-top: 12px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0; }
.stat-grid div { padding: 18px; background: var(--surface-paper); border: 2px solid var(--border-strong); border-radius: var(--radius-sm); }
.stat-grid dt { font: 700 9px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-grid dd { margin: 10px 0 0; font: 400 25px/1 var(--font-display); overflow-wrap: anywhere; }
.stat-grid dd small { display: block; margin-top: 8px; color: var(--ink-muted); font: 700 8px/1.2 var(--font-mono); }

/* ---------- home: FAQ (details/summary hooks) ---------- */
.faq-panel { margin: 0 var(--gutter) 90px; padding: 42px; background: var(--surface-warning); border: 2px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: 8px 8px 0 var(--shadow-ink); }
.faq-panel details { margin-top: 28px; padding: 22px; background: var(--surface-paper); border: 2px solid var(--border-strong); border-radius: var(--radius-sm); }
.faq-panel summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 44px; cursor: pointer; list-style: none; font-weight: 850; }
.faq-panel summary::-webkit-details-marker { display: none; }
.faq-panel summary::after { content: "+"; color: var(--brand-text); font: 700 1.4rem/1 var(--font-mono); }
.faq-panel details[open] summary::after { content: "−"; }
.faq-panel p { margin: 14px 0 0; color: var(--ink-secondary); }

/* ---------- home: publisher / source policy ---------- */
.publisher-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.publisher-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 9px 12px; background: var(--surface-paper); border: 2px solid var(--border-strong); border-radius: 99px; font: 800 10px/1 var(--font-mono); text-transform: uppercase; }

/* ---------- article pages ---------- */
.article-shell { width: min(100%, 68.75rem); padding: 38px var(--gutter) 100px; margin-inline: auto; }
.crumb { margin: 0 0 50px; color: var(--ink-muted); font: 700 11px/1.5 var(--font-mono); text-transform: uppercase; }
.crumb a:hover { color: var(--brand-text); text-decoration: underline; text-underline-offset: 4px; }
.article-shell article { max-width: var(--content-read); position: relative; padding-left: 44px; border-left: 8px solid var(--accent); }
.article-shell article::before { content: "●\A●\A●\A●"; white-space: pre; position: absolute; left: -13px; top: 130px; padding: 8px 0; background: var(--surface-page); line-height: 2; color: var(--ink-primary); }
.article-shell h1 { margin: 0; font: 400 clamp(2.6rem, 5.4vw, 4.4rem)/0.92 var(--font-display); letter-spacing: 0.008em; }
.article-lede { margin: 20px 0 0; max-width: 43rem; font-size: 21px; color: var(--ink-secondary); }
.byline { margin: 20px 0 0; color: var(--ink-muted); font: 700 11px/1.5 var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; }
.article h2 { margin: 42px 0 16px; font: 400 34px/1 var(--font-display); }
.article h3 { margin: 32px 0 12px; font: 400 26px/1.05 var(--font-display); }
.article h4 { margin: 26px 0 10px; font: 800 15px/1.3 var(--font-body); }
.article p, .article li { color: var(--ink-secondary); }
.article li { margin: 0.35rem 0; }
.article strong { color: var(--ink-primary); }
.article a { color: var(--brand-text); text-decoration: underline; text-underline-offset: 3px; }

.answer-card {
  margin: 34px 0;
  padding: 20px;
  background: var(--surface-warning);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: 4px 4px 0 var(--shadow-ink);
}
.answer-card .label { font: 800 10px/1 var(--font-mono); }
.answer-card .answer-lead p:first-child { margin: 0; font: 850 17px/1.5 var(--font-body); color: var(--ink-primary); }
.answer-card p, .answer-card li { color: var(--ink-primary); }
.answer-card a { color: var(--brand-text); }
.answer-card .table-wrap { border-color: rgba(40, 23, 14, 0.35); }
.answer-card th { background: rgba(40, 23, 14, 0.1); color: var(--brand-text); }
.answer-card td, .answer-card th { border-bottom-color: rgba(40, 23, 14, 0.28); }
.answer-card .answer-source { display: inline-block; margin-top: 14px; font: 700 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; }
.answer-card .vstamp { margin: 14px 0 0; background: var(--surface-paper); }

/* Evidence boundary — visible gap list for pages whose evidence is not ready. */
.evidence-boundary {
  margin: 34px 0;
  padding: 22px;
  background: var(--surface-danger);
  border: 2px solid var(--state-absent);
  border-left: 10px solid var(--state-absent);
  border-radius: var(--radius-sm);
  box-shadow: 4px 4px 0 var(--shadow-ink);
}
.evidence-boundary .label { color: var(--state-absent); }
.evidence-boundary h2 { margin: 0 0 12px; font: 400 28px/1 var(--font-display); }
.evidence-boundary ul { margin: 12px 0 0; padding-left: 1.15rem; }
.evidence-boundary li { color: var(--ink-primary); }
.evidence-boundary .evidence-note { margin: 14px 0 0; color: var(--ink-secondary); font-size: 0.9rem; }
.evidence-boundary .vstamp { margin: 16px 0 0; background: var(--surface-paper); }

/* Wide data tables: sticky header row, horizontal scroll on small screens. */
.table-wrap { overflow-x: auto; margin: 26px 0; border: 2px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-paper); }
table { border-collapse: collapse; width: 100%; min-width: 40rem; text-align: left; font-size: 0.9rem; }
th { position: sticky; top: 0; background: var(--surface-ink); color: var(--ink-on-dark); font: 700 10px/1.3 var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }
td, th { padding: 12px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
td { color: var(--ink-secondary); }
tbody tr:last-child td { border-bottom: 0; }
.scroll-hint { display: none; margin: 10px 0 0; color: var(--ink-muted); font: 700 10px/1.4 var(--font-mono); text-transform: uppercase; }

.side-index { margin-top: 42px; padding: 20px; background: var(--surface-panel); border: 2px solid var(--border-strong); border-radius: var(--radius-sm); }
.side-index h2 { margin: 0 0 12px; font: 800 11px/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
.side-index ol { margin: 0; padding-left: 1.25rem; color: var(--ink-secondary); }
.side-index a:hover { color: var(--brand-text); text-decoration: underline; }
.related { margin-top: 48px; padding-top: 24px; border-top: 2px solid var(--border-strong); }
.related h2 { margin: 0 0 12px; font: 400 26px/1 var(--font-display); }
.related ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.related a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 700; }
.sources { margin-top: 34px; padding: 22px; background: var(--surface-panel); border: 2px solid var(--accent-text); border-radius: var(--radius-md); }
.sources h2 { margin: 0 0 12px; font: 800 11px/1 var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; }
.sources ul { margin: 0; padding-left: 1.15rem; }
.sources li { color: var(--ink-secondary); font-size: 0.9rem; }

/* ---------- footer ---------- */
.site-footer { margin-top: 64px; padding: 30px var(--gutter); background: var(--ink-primary); color: var(--ink-on-dark); }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: start; }
.site-footer strong { font: 400 30px/1 var(--font-display); text-transform: uppercase; letter-spacing: 0.01em; }
.site-footer p { max-width: 42rem; margin: 14px 0 0; font: 700 10px/1.6 var(--font-mono); letter-spacing: 0.06em; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; font: 700 10px/1 var(--font-mono); text-transform: uppercase; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 4px; }
.footer-meta a { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- 404 ---------- */
.notfound h1 { margin: 0; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .console { height: 430px; }
  .problem-entry { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .section-intro { position: static; }
  .mission-grid { grid-template-columns: minmax(0, 1fr); }
  .status-panel, .overview-panel, .publisher-panel { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 800px) {
  :root { --gutter: 1.125rem; }
  .site-header { min-height: 66px; height: auto; padding: 12px 18px; gap: 12px; flex-wrap: wrap; }
  .site-header .head-chip { margin-left: auto; }
  .nav-links { order: 3; flex: 0 0 100%; width: 100%; min-width: 0; max-width: 100%; overflow-x: auto; margin: 0; padding-top: 5px; gap: 20px; }
  .hero { padding: 44px 18px 34px; gap: 38px; overflow: hidden; }
  .hero::before { width: 420px; height: 420px; right: -180px; }
  .hero h1 { font-size: clamp(3.6rem, 17.5vw, 4.6rem); }
  .facts { margin: 0 18px; grid-template-columns: 1fr 1fr; }
  .facts span:nth-child(2) { border-right: 0; }
  .facts span:nth-child(-n + 2) { border-bottom: 1px solid #50708a; }
  .problem-entry { padding: 76px 18px 65px; }
  .mission { min-height: 170px; }
  .start-panel, .guides-panel { padding: 20px 18px 70px; }
  .start-list a { grid-template-columns: 46px 1fr; gap: 10px 14px; }
  .start-list small { grid-column: 2; }
  .guide-grid { grid-template-columns: 1fr 1fr; }
  .status-panel { margin: 0 18px 60px; padding: 28px 22px; }
  .status-panel dl div { grid-template-columns: 120px 1fr; }
  .overview-panel, .publisher-panel, .faq-panel { margin: 0 18px 70px; padding: 28px 22px; }
  .section-intro h2, .status-panel h2, .overview-panel h2, .publisher-panel h2,
  .faq-panel h2, .guides-panel h2, .start-panel h2 { font-size: 40px; }
  .article-shell { padding: 24px 18px 70px; }
  .crumb { margin-bottom: 34px; }
  .article-shell article { padding-left: 20px; border-left-width: 5px; }
  .article-shell article::before { display: none; }
  .article-shell h1 { font-size: 3.1rem; }
  .article-lede { font-size: 18px; }
  .scroll-hint { display: block; }
  .site-footer { padding: 28px 18px; }
}
@media (max-width: 390px) {
  body { font-size: 16px; }
  .brand { font-size: 14px; }
  .brand__spark { width: 34px; height: 34px; }
  .head-chip { font-size: 8px; }
  .nav-links { font-size: 12px; }
  .vstamp { font-size: 9px; white-space: normal; }
  .hero { padding-top: 35px; }
  .hero h1 { font-size: 3.5rem; }
  .lede { font-size: 17px; }
  .actions { display: grid; }
  .console { height: 390px; padding: 16px; }
  .timer { top: 22px; right: 18px; }
  .manual-card { padding: 29px 15px 20px 38px; }
  .manual-card strong { font-size: 24px; }
  .relay__role { width: 56px; height: 56px; }
  .relay i { width: 18px; }
  .warning-tape { max-width: 270px; text-align: center; line-height: 1.25; }
  .facts strong { font-size: 18px; }
  .facts span { padding: 16px 14px; }
  .section-intro h2, .status-panel h2 { font-size: 40px; }
  .status-panel dl div { grid-template-columns: 1fr; gap: 7px; }
  .guide-grid, .stat-grid { grid-template-columns: 1fr; }
  .guide-grid a { min-height: 145px; }
  .start-list strong { font-size: 23px; }
  .article-shell h1 { font-size: 2.7rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover, .mission:hover { transform: none; }
  .manual-card { transform: none; }
  .warning-tape { transform: none; }
}