:root {
  --ink: #12202a;
  --ink-soft: #31434f;
  --night: #07141d;
  --night-2: #0d2430;
  --paper: #f3efe5;
  --paper-deep: #e8e0d0;
  --cream: #fffaf0;
  --copper: #91492f;
  --copper-bright: #df8a63;
  --teal: #235b61;
  --teal-light: #4c8988;
  --red: #8c2f2c;
  --line: rgba(18, 32, 42, .17);
  --white-line: rgba(255, 255, 255, .17);
  --shadow: 0 22px 80px rgba(6, 17, 23, .15);
  --display: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1240px;
  --gutter: clamp(1.2rem, 4vw, 4rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 7rem; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 10%, rgba(184,103,69,.08), transparent 32rem),
    var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}
body.menu-open, body.modal-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration-color: var(--copper); text-underline-offset: .2em; }
button, input { font: inherit; }
button { color: inherit; }
::selection { color: var(--cream); background: var(--teal); }
:focus-visible { outline: 3px solid var(--copper-bright); outline-offset: 4px; }

.skip-link {
  position: fixed; z-index: 9999; left: 1rem; top: 1rem; padding: .75rem 1rem;
  color: var(--cream); background: var(--red); transform: translateY(-150%);
}
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { transform: translateY(0); }
.container { width: min(calc(100% - (var(--gutter) * 2)), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - (var(--gutter) * 2)), 790px); margin-inline: auto; }
.section { padding: clamp(4.5rem, 9vw, 8.5rem) 0; }
.section-sm { padding: clamp(3rem, 6vw, 5rem) 0; }
.section-night { color: #e9e6dc; background: var(--night); }
.section-cream { background: var(--cream); }
.section-rule { border-top: 1px solid var(--line); }

.utility-bar {
  position: relative; z-index: 101; display: flex; justify-content: center; gap: .7rem;
  padding: .48rem var(--gutter); color: #e7e2d7; background: #061018;
  font-size: .68rem; font-weight: 750; letter-spacing: .13em; text-transform: uppercase;
}
.utility-bar span + span::before { content: "·"; margin-right: .7rem; color: var(--copper-bright); }
.site-header {
  position: sticky; z-index: 100; top: 0; border-bottom: 1px solid var(--white-line);
  color: var(--cream); background: rgba(7,20,29,.92); backdrop-filter: blur(16px);
}
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1.6rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: inherit; text-decoration: none; }
.brand-mark {
  width: 44px; height: 44px; flex: 0 0 44px; object-fit: contain;
  transform: scale(1); transition: transform .35s ease, filter .35s ease;
}
.brand:hover .brand-mark { transform: scale(1.07); filter: drop-shadow(0 0 10px rgba(223,138,99,.28)); }
.brand-name { font: 600 clamp(1.05rem, 2vw, 1.3rem)/1 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.brand-sub { display: block; margin-top: .25rem; color: #9fb0b7; font-size: .57rem; letter-spacing: .17em; text-transform: uppercase; }
.primary-nav { display: flex; align-items: center; gap: clamp(.8rem, 1.8vw, 1.7rem); }
.primary-nav a { position: relative; color: #d8dfe1; font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.primary-nav a::after { content: ""; position: absolute; right: 0; bottom: -.7rem; left: 0; height: 1px; background: var(--copper-bright); transform: scaleX(0); transition: transform .25s; }
.primary-nav a:hover::after, .primary-nav a[aria-current="page"]::after { transform: scaleX(1); }
.search-open, .menu-toggle {
  min-width: 42px; min-height: 42px; display: inline-grid; place-items: center; border: 1px solid rgba(255,255,255,.24);
  color: var(--cream); background: transparent; cursor: pointer;
}
.search-open:hover, .menu-toggle:hover { border-color: var(--copper-bright); background: rgba(255,255,255,.05); }
.menu-toggle { display: none; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; width: 18px; height: 1px; background: currentColor; transition: transform .25s; }
.menu-toggle { gap: 4px; }

.hero {
  position: relative; min-height: min(800px, calc(100svh - 105px)); display: grid; align-items: end;
  color: var(--cream); overflow: hidden; background: #06131c;
}
.hero::before {
  content: ""; position: absolute; inset: 0; background: url("../images/hero-archive.webp") center/cover no-repeat;
  animation: hero-reveal 1.2s ease-out both;
}
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(4,13,19,.96) 0%, rgba(5,15,21,.78) 38%, rgba(5,15,21,.14) 77%), linear-gradient(0deg, rgba(5,15,21,.83), transparent 55%); }
@keyframes hero-reveal { from { opacity: .25; scale: 1.05; } to { opacity: 1; scale: 1; } }
.hero-content { position: relative; z-index: 2; width: min(760px, 70%); padding-block: clamp(5rem, 12vh, 8rem); }
.eyebrow { display: flex; align-items: center; gap: .75rem; margin: 0 0 1.25rem; color: var(--copper); font-size: .7rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 2.4rem; height: 1px; background: currentColor; }
.hero .eyebrow, .article-hero .eyebrow, .page-hero .eyebrow, .section-night .eyebrow, .feature-copy .eyebrow, .age-panel .eyebrow { color: var(--copper-bright); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 500; letter-spacing: -.035em; }
h1 { max-width: 900px; margin-bottom: 1.4rem; font-size: clamp(3.2rem, 8.2vw, 7.5rem); line-height: .91; }
.hero h1 em { color: var(--copper-bright); font-weight: inherit; }
.hero-lead { max-width: 650px; color: #d4dde0; font-size: clamp(1rem, 2vw, 1.25rem); line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; min-height: 49px; padding: .8rem 1.25rem; border: 1px solid var(--copper); color: var(--ink); background: var(--copper-bright); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; transition: background .25s, color .25s, transform .25s; }
.button:hover { color: var(--cream); background: var(--copper); transform: translateY(-2px); }
.button-ghost { color: var(--cream); background: rgba(7,20,29,.25); border-color: rgba(255,255,255,.38); }
.button-ghost:hover { border-color: var(--copper-bright); background: rgba(7,20,29,.72); }
.hero-index { position: absolute; z-index: 3; right: var(--gutter); bottom: 2.5rem; color: rgba(255,255,255,.65); font: 500 1rem/1 var(--display); writing-mode: vertical-rl; letter-spacing: .13em; }

.chapter-rail { border-bottom: 1px solid var(--line); background: var(--cream); }
.chapter-list { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; }
.chapter-list li { border-left: 1px solid var(--line); }
.chapter-list li:last-child { border-right: 1px solid var(--line); }
.chapter-list a { display: block; min-height: 94px; padding: 1rem; text-decoration: none; transition: background .25s; }
.chapter-list a:hover { background: var(--paper-deep); }
.chapter-list small { display: block; color: var(--copper); font: 700 .62rem/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; }
.chapter-list strong { display: block; margin-top: .55rem; font: 500 1rem/1.15 var(--display); }

.section-heading { display: grid; grid-template-columns: .8fr 1.2fr; align-items: end; gap: 3rem; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.section-heading h2 { max-width: 700px; margin-bottom: 0; font-size: clamp(2.7rem, 6vw, 5.5rem); line-height: .98; }
.section-heading > p { max-width: 590px; margin-bottom: .35rem; color: var(--ink-soft); }
.section-night .section-heading > p { color: #aebbc0; }
.display-italic { color: var(--copper); font-style: italic; }
.section-night .display-italic { color: var(--copper-bright); }
.feature-copy .eyebrow { color: var(--cream); }

.topic-tools { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.5rem; padding-block: .9rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.topic-tools label { font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.topic-filter { width: min(100%, 340px); border: 0; border-bottom: 1px solid var(--ink); padding: .65rem .2rem; color: var(--ink); background: transparent; }
.result-count { color: var(--ink-soft); font: italic .9rem var(--display); }
.topic-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.topic-card { grid-column: span 4; position: relative; min-height: 430px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; color: var(--cream); background: var(--night); text-decoration: none; overflow: hidden; }
.topic-card:nth-child(1), .topic-card:nth-child(6) { grid-column: span 8; }
.topic-card::before { content: ""; position: absolute; inset: 0; opacity: .52; background-image: var(--card-image, url("../images/hero-archive.webp")); background-size: cover; background-position: var(--card-position, center); transition: opacity .45s, transform .7s; }
.topic-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,12,18,.95), rgba(4,12,18,.06) 70%), linear-gradient(90deg, rgba(4,12,18,.45), transparent); }
.topic-card:hover::before { opacity: .76; transform: scale(1.035); }
.topic-card > * { position: relative; z-index: 1; }
.topic-card .num { width: 2.3rem; height: 2.3rem; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.42); border-radius: 50%; font: .72rem var(--sans); }
.topic-card .card-kicker { display: block; margin-bottom: .5rem; color: var(--copper-bright); font-size: .65rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.topic-card h3 { max-width: 480px; margin-bottom: .8rem; font-size: clamp(1.9rem, 3.2vw, 3.4rem); line-height: 1; }
.topic-card p { max-width: 440px; margin-bottom: 0; color: #cbd4d7; font-size: .9rem; }
.topic-card[hidden] { display: none; }

.timeline { position: relative; margin-top: 2rem; }
.timeline::before { content: ""; position: absolute; top: 1.45rem; right: 0; left: 0; height: 1px; background: rgba(255,255,255,.25); }
.timeline-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 1.5rem; }
.timeline-item { position: relative; padding-top: 3.7rem; }
.timeline-item::before { content: ""; position: absolute; z-index: 1; top: 1.08rem; left: 0; width: .75rem; aspect-ratio: 1; border: .26rem solid var(--night); outline: 1px solid var(--copper-bright); border-radius: 50%; background: var(--copper-bright); }
.timeline-item time { color: var(--copper-bright); font: 600 1.1rem var(--display); }
.timeline-item h3 { margin: .6rem 0; color: var(--cream); font-size: 1.2rem; letter-spacing: 0; }
.timeline-item p { color: #9eafb5; font-size: .82rem; line-height: 1.6; }

.feature-split { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 680px; }
.feature-image { min-height: 500px; background: url("../images/slot-evolution.webp") center/cover no-repeat; }
.feature-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(2.5rem, 6vw, 6rem); color: var(--cream); background: var(--teal); }
.feature-copy h2 { margin-bottom: 1.5rem; font-size: clamp(2.7rem, 5vw, 5.2rem); line-height: .96; }
.feature-copy p { color: #dae4df; }
.feature-copy .button { align-self: flex-start; margin-top: 1rem; }
.era-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 2rem 0; background: rgba(255,255,255,.2); }
.era-list div { padding: 1rem; background: var(--teal); }
.era-list strong { display: block; color: var(--cream); font: 600 1.15rem var(--display); }
.era-list span { display: block; margin-top: .3rem; color: #cbdad5; font-size: .7rem; text-transform: uppercase; }

.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.principle { position: relative; padding: clamp(1.7rem, 4vw, 3.2rem); background: var(--cream); }
.principle .icon { width: 3rem; height: 3rem; display: grid; place-items: center; margin-bottom: 2.3rem; border: 1px solid var(--copper); color: var(--copper); font: italic 1.2rem var(--display); }
.principle h3 { margin-bottom: .8rem; font-size: 1.65rem; }
.principle p { margin-bottom: 0; color: var(--ink-soft); font-size: .9rem; }

.newsletter { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 3rem; padding: clamp(2rem, 6vw, 5rem); color: var(--cream); background: var(--red); }
.newsletter h2 { margin-bottom: .7rem; font-size: clamp(2.3rem, 4.5vw, 4.2rem); line-height: 1; }
.newsletter p { color: #eed8d0; }
.newsletter form { display: flex; }
.newsletter input { min-width: 0; flex: 1; border: 1px solid rgba(255,255,255,.55); border-right: 0; padding: .8rem 1rem; color: var(--cream); background: transparent; }
.newsletter input::placeholder { color: rgba(255,255,255,.7); }
.newsletter button { border: 1px solid var(--cream); padding: .8rem 1.2rem; color: var(--red); background: var(--cream); cursor: pointer; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.form-note { min-height: 1.4em; margin-top: .7rem; font-size: .8rem; }

.article-hero { position: relative; min-height: 520px; display: grid; align-items: end; color: var(--cream); background: var(--night); overflow: hidden; }
.article-hero::before { content: ""; position: absolute; inset: 0; opacity: .52; background-image: var(--article-image, url("../images/hero-archive.webp")); background-size: cover; background-position: var(--article-position, center); }
.article-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,14,20,.98), rgba(4,14,20,.1) 75%), linear-gradient(90deg, rgba(4,14,20,.67), transparent 70%); }
.article-hero .container { position: relative; z-index: 1; padding-top: 7rem; padding-bottom: 3.5rem; }
.breadcrumbs { margin-bottom: 2.3rem; color: #b7c4c8; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumbs a { color: var(--copper-bright); }
.article-hero h1 { max-width: 1000px; margin-bottom: 1.3rem; font-size: clamp(3.2rem, 7vw, 6.6rem); }
.article-deck { max-width: 780px; margin-bottom: 1.8rem; color: #d1dadd; font: 400 clamp(1.05rem, 2vw, 1.3rem)/1.6 var(--sans); }
.article-meta { display: flex; flex-wrap: wrap; gap: .7rem 1.6rem; color: #aebdc2; font-size: .73rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.article-meta span::before { content: "◆"; margin-right: .55rem; color: var(--copper-bright); font-size: .55rem; }
.reading-progress { position: fixed; z-index: 200; top: 0; left: 0; width: 0; height: 3px; background: var(--copper-bright); }

.article-shell { display: grid; grid-template-columns: 250px minmax(0, 760px) 1fr; gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.article-toc { position: sticky; top: 110px; padding-top: .7rem; }
.toc-title { margin-bottom: 1rem; color: var(--copper); font-size: .65rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.article-toc ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.article-toc a { display: block; padding: .7rem 0; border-bottom: 1px solid var(--line); color: var(--ink-soft); font-size: .77rem; line-height: 1.35; text-decoration: none; }
.article-toc a:hover, .article-toc a.active { color: var(--red); }
.article-body { min-width: 0; }
.article-body > p:first-of-type::first-letter { float: left; margin: .08em .12em 0 0; color: var(--copper); font: 500 4.8rem/.72 var(--display); }
.article-body h2 { margin: 3.5rem 0 1.15rem; padding-top: .5rem; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.04; }
.article-body h3 { margin: 2.2rem 0 .8rem; font-size: 1.55rem; line-height: 1.15; letter-spacing: -.015em; }
.article-body p { margin-bottom: 1.35rem; color: #273a45; }
.article-body ul, .article-body ol { margin: 0 0 1.5rem; padding-left: 1.2rem; }
.article-body li { margin-bottom: .55rem; }
.article-body blockquote { margin: 2.5rem 0; padding: 1.8rem 2rem; border-left: 3px solid var(--copper); color: var(--teal); background: var(--cream); font: italic 1.3rem/1.55 var(--display); }
.article-body blockquote cite { display: block; margin-top: .8rem; color: var(--ink-soft); font: 700 .65rem var(--sans); letter-spacing: .1em; text-transform: uppercase; }
.fact-box { margin: 2.5rem 0; padding: 1.6rem; border: 1px solid var(--line); background: var(--cream); box-shadow: 8px 8px 0 var(--paper-deep); }
.fact-box .label { display: block; margin-bottom: .75rem; color: var(--copper); font-size: .65rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.fact-box p:last-child { margin-bottom: 0; }
.data-table { width: 100%; margin: 2rem 0; border-collapse: collapse; font-size: .85rem; }
.data-table th { color: var(--cream); background: var(--teal); text-align: left; }
.data-table th, .data-table td { padding: .8rem; border: 1px solid var(--line); vertical-align: top; }
.data-table tr:nth-child(even) td { background: rgba(255,250,240,.75); }
.article-aside { position: sticky; top: 110px; border-top: 3px solid var(--copper); padding-top: 1rem; }
.article-aside strong { display: block; margin-bottom: .6rem; font: 500 1.15rem var(--display); }
.article-aside p { color: var(--ink-soft); font-size: .75rem; line-height: 1.55; }
.article-aside a { font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.sources { margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.sources h2 { margin-top: 0; font-size: 1.7rem; }
.sources li { color: var(--ink-soft); font-size: .78rem; }
.next-story { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem; margin-top: 4rem; padding: 1.5rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); text-decoration: none; }
.next-story small { color: var(--copper); font-size: .62rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.next-story strong { font: 500 1.25rem var(--display); }
.next-story b { font-size: 1.6rem; }

.page-hero { padding: clamp(5rem, 10vw, 9rem) 0 4rem; color: var(--cream); background: var(--night); }
.page-hero h1 { margin-bottom: 1.2rem; }
.page-hero p { max-width: 740px; color: #b8c6ca; font-size: 1.08rem; }
.policy-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(2rem, 7vw, 7rem); }
.policy-grid aside { font: italic 1.6rem/1.4 var(--display); color: var(--teal); }
.policy-copy h2 { margin: 2.5rem 0 .8rem; font-size: 2rem; }
.policy-copy h2:first-child { margin-top: 0; }
.policy-copy h3 { margin: 2rem 0 .65rem; font-size: 1.35rem; letter-spacing: -.01em; }
.policy-copy p, .policy-copy li { color: #273a45; }
.policy-copy li { margin-bottom: .6rem; }
.policy-copy > ul, .policy-copy > ol { margin: 0 0 1.6rem; padding-left: 1.3rem; }
.legal-nav { border-bottom: 1px solid var(--line); background: var(--cream); }
.legal-nav-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }
.legal-nav-list li { border-left: 1px solid var(--line); }
.legal-nav-list li:last-child { border-right: 1px solid var(--line); }
.legal-nav-list a { display: flex; min-height: 72px; align-items: center; justify-content: center; padding: .8rem; color: var(--ink-soft); font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-align: center; text-decoration: none; text-transform: uppercase; }
.legal-nav-list a:hover, .legal-nav-list a[aria-current="page"] { color: var(--cream); background: var(--teal); }
.legal-meta { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; margin-top: 1.7rem; color: #91a4aa; font-size: .7rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
.legal-meta span::before { content: "◆"; margin-right: .5rem; color: var(--copper-bright); font-size: .5rem; }
.legal-intro { margin-bottom: 2.5rem; padding: 1.4rem 1.6rem; border-left: 3px solid var(--copper); background: var(--cream); font: 500 1.15rem/1.6 var(--display); }
.legal-notice { margin: 2rem 0; padding: 1.5rem; border: 1px solid rgba(140,47,44,.28); color: #5b2524; background: rgba(140,47,44,.055); }
.legal-notice strong { display: block; margin-bottom: .45rem; font: 600 1.15rem var(--display); }
.legal-toc { margin: 1.5rem 0 3rem; padding: 1.3rem 1.5rem; border: 1px solid var(--line); background: rgba(255,250,240,.65); }
.legal-toc strong { display: block; margin-bottom: .7rem; color: var(--copper); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.legal-toc ol { columns: 2; gap: 2rem; margin: 0; padding-left: 1.2rem; }
.legal-toc li { break-inside: avoid; margin-bottom: .35rem; font-size: .8rem; }
.storage-table td:first-child { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .76rem; }
.support-card { margin: 2rem 0; padding: clamp(1.5rem, 4vw, 2.5rem); color: var(--cream); background: var(--teal); }
.support-card h2, .support-card h3 { color: var(--cream); }
.support-card p { color: #dce7e4; }
.support-card a { color: var(--cream); text-decoration-color: var(--copper-bright); }
.support-number { display: block; margin: .8rem 0; color: var(--cream); font: 500 clamp(2rem, 4vw, 3.5rem)/1 var(--display); text-decoration: none; }
.legal-source-list { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .8rem; }

.site-footer { color: #c9d2d4; background: #050f16; }
.footer-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 3rem; padding: 4.5rem 0 3rem; }
.footer-brand p { max-width: 330px; margin-top: 1.3rem; color: #899ba2; font-size: .82rem; }
.footer-col h2 { margin-bottom: 1rem; color: var(--copper-bright); font: 800 .65rem var(--sans); letter-spacing: .15em; text-transform: uppercase; }
.footer-col a { display: block; margin: .48rem 0; color: #b9c5c8; font-size: .78rem; text-decoration: none; }
.footer-col a:hover { color: var(--cream); }
.footer-disclaimer { padding: 1.2rem 0; border-top: 1px solid var(--white-line); border-bottom: 1px solid var(--white-line); color: #9eb0b5; font-size: .73rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; padding: 1.3rem 0 2rem; color: #82969d; font-size: .68rem; }

.age-gate { position: fixed; z-index: 1000; inset: 0; display: none; place-items: center; padding: 1rem; background: rgba(3,11,16,.9); backdrop-filter: blur(12px); }
.age-gate.is-visible { display: grid; }
.age-panel { width: min(100%, 630px); padding: clamp(2rem, 6vw, 4rem); border: 1px solid rgba(255,255,255,.2); color: var(--cream); background: var(--night); box-shadow: var(--shadow); text-align: center; }
.age-symbol { width: 80px; aspect-ratio: 1; display: grid; place-items: center; margin: 0 auto 1.5rem; border: 1px solid var(--copper-bright); border-radius: 50%; color: var(--copper-bright); font: 500 1.8rem var(--display); }
.age-panel h2 { margin-bottom: 1rem; font-size: clamp(2rem, 6vw, 3.5rem); }
.age-panel p { color: #b8c5c9; }
.age-actions { display: flex; justify-content: center; gap: .8rem; margin: 1.6rem 0; }
.age-actions button { cursor: pointer; }
.age-note { font-size: .72rem; }

.search-dialog { width: min(92vw, 760px); border: 1px solid var(--white-line); padding: 0; color: var(--cream); background: var(--night); box-shadow: var(--shadow); }
.search-dialog::backdrop { background: rgba(2,9,13,.88); backdrop-filter: blur(8px); }
.search-head { display: flex; align-items: center; border-bottom: 1px solid var(--white-line); }
.search-head input { min-width: 0; flex: 1; border: 0; padding: 1.25rem; color: var(--cream); background: transparent; font: 500 1.3rem var(--display); }
.search-head input:focus { outline: 0; }
.search-close { align-self: stretch; width: 58px; border: 0; border-left: 1px solid var(--white-line); color: var(--cream); background: transparent; cursor: pointer; font-size: 1.5rem; }
.search-results { max-height: 56vh; overflow: auto; padding: 1rem; }
.search-result { display: block; padding: 1rem; border-bottom: 1px solid var(--white-line); text-decoration: none; }
.search-result:hover { background: rgba(255,255,255,.05); }
.search-result strong { display: block; font: 500 1.2rem var(--display); }
.search-result span { color: #94a7ad; font-size: .75rem; }
.search-empty { padding: 2rem 1rem; color: #94a7ad; text-align: center; }
.search-hint { padding: .8rem 1.2rem; border-top: 1px solid var(--white-line); color: #758b93; font-size: .68rem; }
.noscript { padding: 1rem; color: var(--cream); background: var(--red); text-align: center; }

@media (max-width: 1050px) {
  .primary-nav { position: fixed; top: 105px; right: 0; bottom: 0; width: min(88vw, 420px); flex-direction: column; align-items: stretch; padding: 2rem; background: var(--night); transform: translateX(100%); transition: transform .3s; }
  .menu-open .primary-nav { transform: translateX(0); }
  .primary-nav a { padding: .8rem 0; border-bottom: 1px solid var(--white-line); font: 500 1.4rem var(--display); text-transform: none; }
  .menu-toggle { display: inline-grid; }
  .header-actions { display: flex; gap: .5rem; }
  .chapter-list { grid-template-columns: repeat(3, 1fr); }
  .chapter-list li:nth-child(4), .chapter-list li:nth-child(5) { display: none; }
  .topic-card, .topic-card:nth-child(1), .topic-card:nth-child(6) { grid-column: span 6; }
  .timeline-grid { grid-template-columns: repeat(3, 1fr); }
  .timeline::before { display: none; }
  .timeline-item { padding-top: 1.5rem; border-top: 1px solid var(--white-line); }
  .timeline-item::before { top: -.4rem; }
  .article-shell { grid-template-columns: minmax(0, 1fr) 180px; }
  .article-toc { display: none; }
  .footer-top { grid-template-columns: 1.5fr repeat(2, 1fr); }
  .footer-col:last-child { grid-column: 2 / -1; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .utility-bar { justify-content: flex-start; overflow: hidden; white-space: nowrap; }
  .utility-bar span:nth-child(2) { display: none; }
  .brand-sub { display: none; }
  .hero { min-height: 680px; }
  .hero::after { background: linear-gradient(0deg, rgba(4,13,19,.98) 15%, rgba(5,15,21,.48) 80%); }
  .hero-content { width: 100%; }
  .hero-index { display: none; }
  .chapter-list { grid-template-columns: repeat(2, 1fr); }
  .chapter-list li:nth-child(3) { display: none; }
  .section-heading { grid-template-columns: 1fr; gap: 1.3rem; }
  .topic-tools { align-items: flex-start; flex-direction: column; }
  .topic-filter { width: 100%; }
  .topic-grid { display: block; border: 0; background: transparent; }
  .topic-card { min-height: 380px; margin-bottom: 1px; }
  .timeline-grid { grid-template-columns: 1fr 1fr; }
  .feature-split { grid-template-columns: 1fr; }
  .feature-image { min-height: 440px; }
  .principles-grid { grid-template-columns: 1fr; }
  .newsletter { grid-template-columns: 1fr; }
  .newsletter form { flex-direction: column; }
  .newsletter input { border-right: 1px solid rgba(255,255,255,.55); }
  .article-hero { min-height: 600px; }
  .article-shell { display: block; }
  .article-aside { position: static; margin-top: 3rem; }
  .data-table { display: block; overflow-x: auto; }
  .policy-grid { grid-template-columns: 1fr; }
  .legal-nav-list { grid-template-columns: 1fr 1fr; }
  .legal-nav-list li:nth-child(3) { border-top: 1px solid var(--line); }
  .legal-nav-list li:nth-child(4) { border-top: 1px solid var(--line); }
  .legal-toc ol { columns: 1; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col:last-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 460px) {
  .brand-name { font-size: .9rem; }
  .header-inner { min-height: 66px; }
  .primary-nav { top: 97px; }
  h1 { font-size: 3rem; }
  .hero-actions, .age-actions { flex-direction: column; align-items: stretch; }
  .timeline-grid, .era-list { grid-template-columns: 1fr; }
  .feature-image { min-height: 330px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand, .footer-col:last-child { grid-column: auto; }
}

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