:root {
  --ink: #132235;
  --deep: #10263a;
  --deep-2: #183e55;
  --sea: #a9d9cf;
  --sea-2: #dceee8;
  --coral: #ff725c;
  --brass: #e2b15b;
  --paper: #eef2ef;
  --paper-2: #f8f9f4;
  --line: rgba(19, 34, 53, .15);
  --muted: #5b6c73;
  --shadow: 0 18px 50px rgba(16, 38, 58, .12);
  --display: "Arial Narrow", "Bahnschrift SemiCondensed", "Trebuchet MS", sans-serif;
  --body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: Consolas, "SFMono-Regular", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(238, 242, 239, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 76px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; min-width: 174px; }
.brand-mark { display: grid; place-items: center; width: 35px; height: 35px; background: var(--deep); color: var(--sea); font: 800 12px/1 var(--mono); letter-spacing: -.08em; transform: rotate(-8deg); }
.brand-name { display: block; font: 800 16px/1 var(--display); letter-spacing: .12em; }
.brand-sub { display: block; margin-top: 4px; color: var(--muted); font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a { padding: 9px 10px; color: var(--muted); text-decoration: none; font-size: 13px; font-weight: 700; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--deep); background: var(--sea-2); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 13px; background: var(--coral); color: #fff; text-decoration: none; font-size: 12px; font-weight: 800; letter-spacing: .02em; box-shadow: 4px 4px 0 var(--deep); }
.header-cta:hover { transform: translate(2px, 2px); box-shadow: 2px 2px 0 var(--deep); }
.menu-toggle { display: none; border: 1px solid var(--line); background: transparent; color: var(--deep); padding: 8px 10px; font-size: 12px; font-weight: 800; }
.eyebrow { margin: 0 0 13px; color: var(--deep-2); font: 800 11px/1.2 var(--mono); letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: "//"; margin-right: 8px; color: var(--coral); }
h1, h2, h3 { margin: 0; color: var(--deep); font-family: var(--display); line-height: 1.08; letter-spacing: -.025em; }
h1 { font-size: clamp(42px, 7vw, 78px); max-width: 760px; }
h2 { font-size: clamp(30px, 4vw, 46px); }
h3 { font-size: 22px; }
p { margin: 0 0 16px; }
.lede { max-width: 650px; margin-top: 19px; color: var(--muted); font-size: 18px; line-height: 1.55; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 46px; padding: 0 17px; text-decoration: none; font-size: 13px; font-weight: 800; border: 1px solid transparent; }
.button-primary { background: var(--deep); color: var(--paper-2); box-shadow: 5px 5px 0 var(--coral); }
.button-primary:hover { transform: translate(2px, 2px); box-shadow: 3px 3px 0 var(--coral); }
.button-quiet { border-color: var(--line); color: var(--deep); background: transparent; }
.button-quiet:hover { background: var(--sea-2); }
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(330px, .9fr); gap: 48px; align-items: center; padding-top: 74px; padding-bottom: 84px; }
.hero-copy { position: relative; }
.hero-copy::after { content: ""; display: block; width: 80px; height: 4px; margin-top: 32px; background: var(--coral); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 30px; }
.signal-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.signal { display: inline-flex; align-items: center; gap: 7px; padding: 7px 9px; color: var(--deep-2); background: var(--sea-2); font: 700 10px/1.2 var(--mono); letter-spacing: .04em; }
.signal::before { content: ""; width: 7px; height: 7px; background: var(--coral); border-radius: 50%; }
.hero-board { position: relative; min-height: 420px; overflow: hidden; background: var(--deep); box-shadow: var(--shadow); }
.hero-board::before, .hero-board::after { content: ""; position: absolute; inset: 0; pointer-events: none; }
.hero-board::before { opacity: .32; background: linear-gradient(32deg, transparent 49.6%, var(--sea) 49.8%, transparent 50.2%), linear-gradient(-18deg, transparent 49.6%, var(--sea) 49.8%, transparent 50.2%), repeating-radial-gradient(ellipse at 25% 20%, transparent 0 32px, rgba(169,217,207,.26) 34px 36px, transparent 38px 70px); background-size: 180px 180px, 230px 230px, 100% 100%; }
.hero-board::after { border: 1px solid rgba(169,217,207,.28); inset: 16px; }
.board-label { position: absolute; top: 29px; left: 31px; color: var(--sea); font: 700 11px/1.2 var(--mono); letter-spacing: .12em; }
.board-coordinates { position: absolute; right: 31px; top: 30px; color: rgba(238,242,239,.55); font: 10px/1.4 var(--mono); text-align: right; }
.route-card { position: absolute; right: 34px; bottom: 35px; width: min(290px, calc(100% - 68px)); padding: 22px; background: var(--paper-2); color: var(--deep); box-shadow: 8px 8px 0 rgba(255,114,92,.88); }
.route-card .route-kicker { color: var(--coral); font: 800 10px/1.2 var(--mono); letter-spacing: .12em; }
.route-card h2 { margin-top: 9px; font-size: 31px; }
.route-card p { margin: 11px 0 0; color: var(--muted); font-size: 13px; }
.route-line { display: flex; align-items: center; gap: 10px; margin-top: 18px; color: var(--muted); font: 700 10px/1 var(--mono); }
.route-line::before { content: ""; display: block; width: 44px; height: 1px; background: var(--coral); box-shadow: 14px 0 0 var(--coral), 28px 0 0 var(--coral); }
.section { padding: 78px 0; border-top: 1px solid var(--line); }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.section-note { max-width: 380px; color: var(--muted); font-size: 14px; }
.tabs { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.tab { border: 1px solid var(--line); padding: 8px 12px; color: var(--muted); background: transparent; cursor: pointer; font: 700 11px/1 var(--mono); }
.tab:hover, .tab.is-active { border-color: var(--deep); background: var(--deep); color: var(--paper-2); }
.question-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { border: 1px solid var(--line); background: var(--paper-2); padding: 23px; }
.card:hover { border-color: var(--deep-2); }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 22px; }
.card-index { color: var(--coral); font: 800 11px/1 var(--mono); }
.card-tag { color: var(--muted); font: 700 10px/1 var(--mono); text-transform: uppercase; }
.card h3 { font-size: 24px; }
.card p { margin-top: 12px; color: var(--muted); font-size: 14px; }
.card-link { display: inline-flex; gap: 7px; margin-top: 18px; color: var(--deep-2); text-decoration: none; font-size: 12px; font-weight: 800; }
.card-link:hover { color: var(--coral); }
.card[hidden] { display: none; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { padding: 30px; background: var(--deep); color: var(--paper-2); }
.panel h2, .panel h3 { color: var(--paper-2); }
.panel p { color: rgba(248,249,244,.72); font-size: 14px; }
.panel-list { display: grid; gap: 14px; margin-top: 24px; }
.panel-list div { display: grid; grid-template-columns: 24px 1fr; gap: 11px; padding-top: 13px; border-top: 1px solid rgba(248,249,244,.2); }
.panel-list strong { color: var(--sea); font: 700 11px/1.2 var(--mono); }
.panel-list span { color: rgba(248,249,244,.75); font-size: 13px; }
.system-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.system-card { min-height: 154px; display: flex; flex-direction: column; justify-content: space-between; padding: 18px; border: 1px solid var(--line); background: rgba(255,255,255,.23); text-decoration: none; }
.system-card:hover { background: var(--sea-2); border-color: var(--deep-2); }
.system-card h3 { font-size: 22px; }
.system-card p { margin: 9px 0 0; color: var(--muted); font-size: 12px; line-height: 1.45; }
.system-status { color: var(--coral); font: 700 10px/1 var(--mono); letter-spacing: .06em; }
.source-strip { display: grid; grid-template-columns: 1.2fr 2fr; gap: 30px; align-items: center; padding: 26px 28px; background: var(--sea-2); }
.source-strip p { margin: 0; color: var(--muted); font-size: 13px; }
.source-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.source-links a { color: var(--deep-2); font-size: 12px; font-weight: 800; }
.faq { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 25px; }
details { border-top: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; color: var(--deep); font-size: 14px; font-weight: 800; }
details p { margin: 11px 0 0; color: var(--muted); font-size: 13px; }
.site-footer { margin-top: 28px; padding: 40px 0 28px; border-top: 1px solid var(--line); }
.footer-inner { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
.footer-title { margin-bottom: 10px; color: var(--deep); font: 800 12px/1.2 var(--mono); letter-spacing: .12em; }
.footer-copy, .footer-links a { color: var(--muted); font-size: 12px; }
.footer-links { display: grid; gap: 6px; }
.footer-links a:hover { color: var(--coral); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; margin-top: 35px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font: 10px/1.4 var(--mono); }
.article-shell { padding-top: 51px; padding-bottom: 80px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 27px; color: var(--muted); font: 700 11px/1.3 var(--mono); }
.breadcrumbs a { color: var(--deep-2); text-decoration: none; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 265px; gap: 57px; align-items: start; }
.article-head { padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.article-head h1 { max-width: 830px; font-size: clamp(40px, 6vw, 67px); }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 17px; margin-top: 22px; color: var(--muted); font: 10px/1.4 var(--mono); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta span::before { content: ""; width: 6px; height: 6px; background: var(--coral); }
.article-body { min-width: 0; }
.article-body > h2 { margin-top: 43px; margin-bottom: 15px; font-size: 32px; }
.article-body > h3 { margin-top: 27px; margin-bottom: 10px; font-size: 22px; }
.article-body p, .article-body li { color: #43545d; font-size: 15px; }
.article-body ul, .article-body ol { padding-left: 22px; }
.answer-box { margin-top: 26px; padding: 24px 26px; border-left: 5px solid var(--coral); background: var(--sea-2); }
.answer-box strong { display: block; margin-bottom: 8px; color: var(--deep); font: 800 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.answer-box p { margin: 0; color: var(--deep); font-size: 17px; line-height: 1.55; }
.note-box { margin: 25px 0; padding: 18px 20px; background: #fff4e7; border: 1px solid rgba(226,177,91,.8); }
.note-box strong { display: block; margin-bottom: 7px; color: #8b5c16; font: 800 10px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.note-box p { margin: 0; font-size: 13px; }
.steps { display: grid; gap: 10px; margin: 20px 0; }
.step { display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 17px 0; border-top: 1px solid var(--line); }
.step-number { color: var(--coral); font: 800 20px/1 var(--mono); }
.step h3 { margin-bottom: 5px; font-size: 20px; }
.step p { margin: 0; font-size: 14px; }
.table-wrap { overflow-x: auto; margin: 20px 0; border: 1px solid var(--line); background: var(--paper-2); }
table { width: 100%; border-collapse: collapse; min-width: 560px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: 13px; }
th { color: var(--deep); background: var(--sea-2); font: 800 10px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; }
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }
.status-label { display: inline-flex; margin-bottom: 4px; padding: 4px 6px; background: var(--sea-2); color: var(--deep-2); font: 800 9px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.status-label.caution { background: #fff0dc; color: #8b5c16; }
.article-aside { position: sticky; top: 105px; }
.aside-block { padding: 20px; border: 1px solid var(--line); background: var(--paper-2); }
.aside-block + .aside-block { margin-top: 13px; }
.aside-label { margin: 0 0 13px; color: var(--muted); font: 800 10px/1.2 var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.aside-links { display: grid; gap: 8px; }
.aside-links a { color: var(--deep-2); text-decoration: none; font-size: 12px; font-weight: 800; }
.aside-links a:hover { color: var(--coral); }
.source-list { display: grid; gap: 8px; margin-top: 15px; }
.source-list a { color: var(--deep-2); font-size: 13px; font-weight: 700; }
.source-list span { display: block; color: var(--muted); font: 10px/1.4 var(--mono); }
.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 11px; margin-top: 22px; }
.related a { padding: 15px; border: 1px solid var(--line); color: var(--deep); text-decoration: none; font-size: 12px; font-weight: 800; }
.related a:hover { background: var(--sea-2); }
.not-found { min-height: 75vh; display: grid; align-content: center; justify-items: start; }
.not-found h1 { font-size: clamp(42px, 7vw, 72px); }
.not-found p { max-width: 520px; margin: 20px 0 27px; color: var(--muted); }

@media (max-width: 980px) {
  .header-inner { gap: 12px; }
  .main-nav { gap: 0; }
  .main-nav a { padding-inline: 7px; font-size: 12px; }
  .header-cta { padding-inline: 10px; }
  .hero { gap: 30px; }
  .system-grid { grid-template-columns: repeat(2, 1fr); }
  .article-layout { gap: 30px; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 620px); }
  .site-header { position: relative; }
  .header-inner { min-height: 67px; flex-wrap: wrap; }
  .brand { margin-right: auto; }
  .menu-toggle { display: block; }
  .main-nav { display: none; order: 4; width: 100%; padding: 9px 0 13px; border-top: 1px solid var(--line); }
  .main-nav.is-open { display: grid; grid-template-columns: 1fr 1fr; }
  .main-nav a { padding: 12px 8px; }
  .header-cta { order: 3; min-height: 35px; font-size: 11px; }
  .hero { grid-template-columns: 1fr; padding-top: 53px; padding-bottom: 60px; }
  .hero-board { min-height: 350px; }
  .question-grid, .dual-grid, .faq { grid-template-columns: 1fr; }
  .section { padding: 55px 0; }
  .section-head { display: block; }
  .section-note { margin-top: 13px; }
  .source-strip { grid-template-columns: 1fr; gap: 15px; padding: 21px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner > :first-child { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
  .footer-bottom span { display: block; margin-top: 7px; }
  .article-shell { padding-top: 34px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; order: -1; }
  .related { grid-template-columns: 1fr; }
}

@media (max-width: 460px) {
  .shell { width: min(100% - 24px, 620px); }
  .header-cta { display: none; }
  h1 { font-size: 43px; }
  .hero-board { min-height: 310px; }
  .route-card { right: 24px; bottom: 25px; width: calc(100% - 48px); padding: 18px; }
  .route-card h2 { font-size: 27px; }
  .system-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-inner > :first-child { grid-column: auto; }
  .step { grid-template-columns: 32px 1fr; gap: 10px; }
  th, td { padding: 11px 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

/* Stage 4 visual pass: storm-signal / survival log direction. */
:root {
  --ink: #e8f1eb;
  --deep: #071d2b;
  --deep-2: #0d3445;
  --deep-3: #155365;
  --sea: #a4dfd2;
  --sea-2: #174654;
  --coral: #f16b4d;
  --brass: #f3bd4b;
  --paper: #eef2e9;
  --paper-2: #fbf4e5;
  --line: rgba(211, 235, 225, .19);
  --muted: #91aaad;
  --muted-dark: #526d76;
  --shadow: 0 24px 80px rgba(0, 0, 0, .28);
  --display: "Bahnschrift SemiCondensed", "Arial Narrow", "Trebuchet MS", sans-serif;
  --mono: "Cascadia Mono", Consolas, "SFMono-Regular", monospace;
}

html, body { background: var(--deep); }
.site-header { background: rgba(7, 29, 43, .94); border-color: var(--line); }
.brand-mark { background: var(--brass); color: var(--deep); box-shadow: 4px 4px 0 var(--coral); }
.brand-name { color: var(--paper); }
.brand-sub { color: var(--sea); }
.main-nav a { color: var(--muted); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--paper); background: var(--sea-2); }
.header-cta { background: var(--brass); color: var(--deep); box-shadow: 4px 4px 0 var(--coral); }
.menu-toggle { border-color: var(--line); color: var(--paper); }
.eyebrow { color: var(--sea); }
.eyebrow::before { color: var(--brass); }
h1, h2, h3 { color: var(--paper); }
.lede { color: rgba(232, 241, 235, .72); }
.button-primary { background: var(--brass); color: var(--deep); box-shadow: 5px 5px 0 var(--coral); }
.button-quiet { border-color: var(--line); color: var(--paper); }
.button-quiet:hover { background: var(--sea-2); }
.hero { isolation: isolate; }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; pointer-events: none; opacity: .36; background: linear-gradient(90deg, transparent, rgba(164, 223, 210, .05) 52%, transparent), repeating-linear-gradient(0deg, transparent 0 52px, rgba(164, 223, 210, .06) 53px 54px); }
.hero-copy::after { background: var(--coral); }
.hero-copy h1 span { color: var(--brass) !important; }
.signal { border-color: rgba(164, 223, 210, .18); color: var(--sea); background: rgba(23, 70, 84, .72); }
.signal::before { background: var(--brass); box-shadow: 0 0 0 3px rgba(243, 189, 75, .13); }
.hero-board { border-color: rgba(164, 223, 210, .26); background: linear-gradient(145deg, #104558 0%, #092838 52%, #071d2b 100%); box-shadow: var(--shadow); }
.hero-board::before { opacity: .42; background: linear-gradient(32deg, transparent 49.6%, var(--sea) 49.8%, transparent 50.2%), linear-gradient(-18deg, transparent 49.6%, var(--sea) 49.8%, transparent 50.2%), repeating-radial-gradient(ellipse at 25% 20%, transparent 0 32px, rgba(164, 223, 210, .26) 34px 36px, transparent 38px 70px); background-size: 180px 180px, 230px 230px, 100% 100%; }
.hero-board::after { border-color: rgba(164, 223, 210, .28); }
.board-label { color: var(--brass); }
.board-coordinates { color: rgba(232, 241, 235, .58); }
.board-scene { position: absolute; z-index: 1; inset: 104px 30px 35px; overflow: hidden; opacity: .92; }
.scene-sun { position: absolute; top: 18px; left: 25%; width: 70px; height: 70px; border-radius: 50%; background: radial-gradient(circle at 50% 50%, var(--brass) 0 36%, rgba(243, 189, 75, .35) 37% 57%, transparent 58%); }
.scene-horizon { position: absolute; right: 0; bottom: 62px; left: 0; height: 1px; background: rgba(164, 223, 210, .68); box-shadow: 0 14px 0 rgba(164, 223, 210, .12), 0 27px 0 rgba(164, 223, 210, .1); }
.scene-raft { position: absolute; bottom: 48px; left: 17%; width: 128px; height: 16px; background: var(--brass); box-shadow: 8px 7px 0 rgba(241, 107, 77, .6); transform: skewX(-18deg); }
.scene-raft::before { content: ""; position: absolute; bottom: 12px; left: 56px; width: 2px; height: 76px; background: var(--sea); transform: skewX(18deg); }
.scene-raft::after { content: ""; position: absolute; bottom: 27px; left: 58px; width: 43px; height: 43px; border-left: 1px solid var(--sea); border-bottom: 1px solid var(--sea); clip-path: polygon(0 100%, 0 0, 100% 100%); transform: skewX(18deg); }
.scene-beacon { position: absolute; top: 32px; right: 10%; width: 9px; height: 9px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 8px rgba(241, 107, 77, .14), 0 0 24px rgba(241, 107, 77, .9); }
.route-card { z-index: 2; border-top: 4px solid var(--coral); background: var(--paper-2); color: var(--deep); box-shadow: 8px 8px 0 var(--brass); clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%); }
.route-card .route-kicker { color: var(--coral); }
.route-card h2 { color: var(--deep); }
.route-card p, .route-line { color: var(--muted-dark); }
.route-line::before { background: var(--coral); box-shadow: 14px 0 0 var(--coral), 28px 0 0 var(--coral); }
.fact-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--deep-2); }
.fact-strip-inner { display: flex; align-items: center; gap: 26px; min-height: 68px; }
.fact-strip-label { flex: 0 0 auto; color: var(--brass); font: 800 10px/1.2 var(--mono); letter-spacing: .13em; }
.fact-list { display: flex; flex: 1; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }
.fact-list span { color: var(--paper); font: 700 11px/1.2 var(--mono); }
.fact-list span::before { content: "↗"; margin-right: 7px; color: var(--sea); }
.section { border-color: var(--line); }
#questions { background: #0a2636; }
#evidence { background: #0d3040; }
#systems { background: var(--deep); }
#next-pages { background: #0c2b3a; }
.section-note { color: var(--muted); }
.tab { border-color: var(--line); color: var(--muted); }
.tab:hover, .tab.is-active { border-color: var(--brass); background: var(--brass); color: var(--deep); }
.card { border-color: var(--line); background: rgba(7, 29, 43, .48); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.card:hover { border-color: var(--sea); background: rgba(13, 52, 69, .8); transform: translateY(-3px); }
.card-index, .system-status { color: var(--brass); }
.card-tag { color: var(--sea); }
.card p, .system-card p, details p { color: var(--muted); }
.card-link, .source-links a { color: var(--sea); }
.card-link:hover, .footer-links a:hover { color: var(--brass); }
.panel { border-color: rgba(164, 223, 210, .2); background: linear-gradient(145deg, #124555, #0b2a39); }
.panel h2, .panel h3 { color: var(--paper); }
.panel p, .panel-list span { color: rgba(238, 242, 233, .72); }
.panel-list div { border-color: rgba(238, 242, 233, .18); }
.panel-list strong { color: var(--brass); }
.dual-grid > .card { background: rgba(7, 29, 43, .37); }
.system-card { border-color: var(--line); background: rgba(13, 52, 69, .74); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.system-card:hover { background: var(--deep-3); border-color: var(--sea); transform: translateY(-3px); }
.source-strip { border-color: rgba(164, 223, 210, .2); background: linear-gradient(100deg, var(--deep-2), #123e4b); }
.source-strip h3 { color: var(--paper); }
.source-strip p { color: var(--muted); }
summary { color: var(--paper); }
details { border-color: var(--line); }
.site-footer { border-color: var(--line); background: #061824; }
.footer-title { color: var(--sea); }
.footer-copy, .footer-links a, .footer-bottom { color: var(--muted); }
.footer-bottom { border-color: var(--line); }

.article-shell { position: relative; }
.breadcrumbs { color: var(--muted); }
.breadcrumbs a, .aside-links a, .source-list a { color: var(--sea); }
.article-head { overflow: hidden; padding: 33px 34px 30px; border: 1px solid rgba(164, 223, 210, .23); background: linear-gradient(135deg, #103f50, #0a2837 70%); }
.article-head::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .36; background: repeating-linear-gradient(90deg, transparent 0 74px, rgba(164, 223, 210, .1) 75px 76px), repeating-linear-gradient(0deg, transparent 0 48px, rgba(164, 223, 210, .08) 49px 50px); }
.article-head > * { position: relative; z-index: 1; }
.article-head .lede { color: rgba(238, 242, 233, .72); }
.article-meta { color: var(--sea); }
.article-meta span::before { background: var(--brass); }
.article-body > h2, .article-body > h3 { color: var(--paper); }
.article-body p, .article-body li { color: rgba(232, 241, 235, .78); }
.article-body strong { color: var(--paper); }
.answer-box { margin-top: 0; border-color: rgba(7, 29, 43, .16); border-top: 0; border-left: 5px solid var(--brass); background: var(--paper-2); box-shadow: 0 16px 35px rgba(0, 0, 0, .12); }
.answer-box strong { color: var(--coral); }
.answer-box p { color: var(--deep); }
.answer-box strong + p strong { color: var(--deep); }
.note-box { border-color: rgba(243, 189, 75, .7); background: rgba(243, 189, 75, .12); }
.note-box strong { color: var(--brass); }
.step { border-color: var(--line); }
.step-number { color: var(--brass); }
.table-wrap { border-color: var(--line); background: var(--deep-2); }
th, td { border-color: var(--line); }
th { color: var(--sea); background: rgba(7, 29, 43, .6); }
td { color: rgba(232, 241, 235, .76); }
code { color: var(--brass); background: rgba(243, 189, 75, .12); }
.status-label { border-color: rgba(164, 223, 210, .2); background: var(--sea-2); color: var(--sea); }
.status-label.caution { border-color: rgba(243, 189, 75, .35); background: rgba(243, 189, 75, .12); color: var(--brass); }
.aside-block { border-color: var(--line); background: rgba(13, 52, 69, .7); }
.aside-label { color: var(--brass); }
.aside-links a:hover, .source-list a:hover { color: var(--brass); }
.source-list span { color: var(--muted); }
.related a { border-color: var(--line); color: var(--sea); }
.related a:hover { background: var(--sea-2); color: var(--paper); }
.not-found p { color: var(--muted); }

@media (max-width: 760px) {
  .main-nav { border-color: var(--line); background: var(--deep); }
  .fact-strip-inner { display: block; padding: 17px 0; }
  .fact-list { justify-content: flex-start; margin-top: 12px; }
  .article-head { padding: 25px 21px 23px; }
  .article-aside { order: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}