@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&family=Source+Sans+3:wght@400;500;600;700&display=swap');

:root {
  --bg: #111317;
  --bg-deep: #0b0d10;
  --surface: #1b1e22;
  --surface-2: #25292d;
  --ink: #eee8df;
  --muted: #aaa39a;
  --brass: #c99a6a;
  --brass-pale: #e3c39e;
  --blood: #803333;
  --border: #5a4b3f;
  --green: #75a783;
  --amber: #d89c4b;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Source Sans 3", "Trebuchet MS", sans-serif;
  --max: 1180px;
  --radius: 5px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% -10%, rgba(128, 51, 51, .2), transparent 33rem),
    radial-gradient(circle at 10% 18%, rgba(201, 154, 106, .07), transparent 28rem),
    var(--bg);
  font: 400 17px/1.68 var(--sans);
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .22;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E");
}
a { color: var(--brass-pale); text-underline-offset: 3px; }
a:hover { color: #fff5e8; }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 99; padding: .7rem 1rem; background: var(--brass); color: var(--bg); }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 860px); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 13, 16, .92);
  border-bottom: 1px solid rgba(90, 75, 63, .7);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 76px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; width: 255px; flex: 0 0 auto; text-decoration: none; }
.brand img { width: 100%; height: 54px; object-fit: contain; object-position: left center; }
.main-nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.main-nav a { position: relative; padding: 25px 13px 22px; color: #c7c0b7; font-size: .82rem; font-weight: 700; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.main-nav a::after { content: ""; position: absolute; left: 13px; right: 13px; bottom: 15px; height: 1px; background: var(--brass); transform: scaleX(0); transition: transform .2s ease; }
.main-nav a:hover::after, .main-nav a[aria-current="page"]::after { transform: scaleX(1); }
.main-nav a[aria-current="page"] { color: var(--ink); }
.nav-toggle { display: none; margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--border); background: var(--surface); color: var(--ink); font: 700 1.2rem var(--sans); }

.eyebrow { margin: 0 0 12px; color: var(--brass); font-size: .76rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--serif); line-height: 1.08; text-wrap: balance; }
h1 { margin: 0; font-size: clamp(3.4rem, 8vw, 7.5rem); font-weight: 600; letter-spacing: -.045em; }
h2 { margin: 0 0 20px; font-size: clamp(2.1rem, 4vw, 3.65rem); font-weight: 600; letter-spacing: -.025em; }
h3 { margin: 0 0 10px; font-size: 1.55rem; font-weight: 600; }
p { margin: 0 0 1.1rem; }
.lede { max-width: 760px; color: #d4cdc4; font-size: clamp(1.05rem, 1.6vw, 1.24rem); line-height: 1.62; }
.kicker-line { width: 90px; height: 1px; margin: 0 0 24px; background: linear-gradient(90deg, var(--brass), transparent); }

.hero { position: relative; min-height: 720px; display: grid; align-items: center; overflow: clip; border-bottom: 1px solid var(--border); }
.hero::before { content: ""; position: absolute; right: -9vw; top: 7%; width: min(51vw, 680px); aspect-ratio: 1; border: clamp(34px, 5vw, 74px) solid rgba(201,154,106,.09); border-right-color: rgba(128,51,51,.22); border-radius: 50%; transform: rotate(-17deg); }
.hero::after { content: ""; position: absolute; right: 19%; top: 6%; bottom: 4%; width: 1px; background: linear-gradient(transparent, var(--brass), var(--blood), transparent); opacity: .45; }
.hero-inner { position: relative; z-index: 1; padding: 86px 0 60px; }
.hero-feature { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(390px, .9fr); gap: 52px; align-items: center; }
.hero-copy { min-width: 0; }
.hero h1 { max-width: 760px; font-size: clamp(3.4rem, 6vw, 6.6rem); }
.hero .lede { margin-top: 25px; }
.hero-video { position: relative; align-self: center; }
.hero-video::before { content: "OFFICIAL MEDIA / 01"; display: block; margin-bottom: 11px; color: var(--brass); font-size: .68rem; font-weight: 700; letter-spacing: .18em; }
.hero-video .video-shell { position: relative; padding: 9px; background: rgba(8,10,12,.92); box-shadow: 0 30px 90px rgba(0,0,0,.5); }
.hero-video .video-note { font-size: .75rem; }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 19px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--ink); background: rgba(27,30,34,.75); font-size: .88rem; font-weight: 700; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); border-color: var(--brass); color: var(--ink); }
.btn-primary { background: var(--brass); color: var(--bg-deep); border-color: var(--brass); }
.btn-primary:hover { color: var(--bg-deep); background: #d8ad7e; }
.hero-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; max-width: 980px; margin-top: 70px; background: var(--border); border: 1px solid var(--border); }
.stat { min-height: 110px; padding: 18px 20px; background: rgba(17,19,23,.94); }
.stat dt { margin-bottom: 7px; color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.stat dd { margin: 0; font-family: var(--serif); font-size: 1.25rem; line-height: 1.25; }

.section { padding: 100px 0; border-bottom: 1px solid rgba(90, 75, 63, .55); }
.section-dark { background: rgba(8,10,12,.4); }
.section-head { display: grid; grid-template-columns: 1fr .8fr; gap: 48px; align-items: end; margin-bottom: 42px; }
.section-head p { color: var(--muted); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-card { position: relative; min-height: 260px; display: flex; flex-direction: column; padding: 27px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; transition: transform .25s ease, background .25s ease, border-color .25s ease; }
.guide-card::before { content: attr(data-mark); position: absolute; right: 18px; top: 4px; color: rgba(201,154,106,.08); font: 600 6rem/1 var(--serif); }
.guide-card:hover { transform: translateY(-5px); background: var(--surface-2); border-color: var(--brass); color: var(--ink); }
.guide-card .num { position: relative; color: var(--brass); font: 600 .75rem/1 var(--sans); letter-spacing: .16em; }
.guide-card h3 { position: relative; margin-top: auto; color: var(--ink); }
.guide-card p { position: relative; color: var(--muted); font-size: .94rem; line-height: 1.52; }
.guide-card .card-cta { position: relative; color: var(--brass-pale); font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

.duality { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--border); }
.duality > div { min-height: 390px; padding: clamp(32px, 5vw, 70px); }
.duality .day { color: #251d17; background: linear-gradient(135deg, #ddc29c, #a97b50); }
.duality .night { background: radial-gradient(circle at 80% 20%, #263342, #11151c 58%); }
.duality .mode-label { font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; }
.duality h2 { margin-top: 80px; }
.duality ul { padding-left: 20px; }

.video-shell { padding: 12px; background: #080a0c; border: 1px solid var(--border); box-shadow: 0 28px 80px rgba(0,0,0,.35); }
.video-frame { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-note { display: flex; justify-content: space-between; gap: 20px; padding: 12px 4px 0; color: var(--muted); font-size: .82rem; }

.about-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.about-grid aside { border-left: 1px solid var(--brass); padding-left: 28px; }
.fact-list { margin: 0; }
.fact-list > div { display: grid; grid-template-columns: 130px 1fr; gap: 15px; padding: 14px 0; border-bottom: 1px solid rgba(90,75,63,.6); }
.fact-list dt { color: var(--muted); }
.fact-list dd { margin: 0; }
.faq-list { border-top: 1px solid var(--border); }
.faq-list details { border-bottom: 1px solid var(--border); }
.faq-list summary { cursor: pointer; list-style: none; padding: 22px 50px 22px 0; color: var(--ink); font: 600 1.25rem/1.3 var(--serif); position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 20px; color: var(--brass); font: 400 1.5rem/1 var(--sans); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 780px; color: var(--muted); padding: 0 0 22px; }
.link-row { display: flex; flex-wrap: wrap; gap: 10px; }
.external-pill { padding: 9px 13px; border: 1px solid var(--border); border-radius: 99px; color: var(--muted); font-size: .82rem; text-decoration: none; }
.external-pill:hover { color: var(--ink); border-color: var(--brass); }

.page-hero { position: relative; overflow: hidden; padding: 110px 0 70px; border-bottom: 1px solid var(--border); }
.page-hero::after { content: attr(data-glyph); position: absolute; right: max(3vw, calc((100vw - var(--max))/2)); top: -45px; color: rgba(201,154,106,.07); font: 600 19rem/1 var(--serif); }
.breadcrumbs { margin-bottom: 38px; color: var(--muted); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.page-hero h1 { max-width: 990px; font-size: clamp(3rem, 6.4vw, 6.5rem); }
.answer-box { position: relative; z-index: 1; max-width: 880px; display: grid; grid-template-columns: 5px 1fr; gap: 20px; margin-top: 34px; padding: 22px 25px 22px 0; background: linear-gradient(90deg, rgba(201,154,106,.09), transparent); }
.answer-box::before { content: ""; grid-column: 1; grid-row: 1 / span 2; background: var(--brass); }
.answer-box strong { grid-column: 2; display: block; margin-bottom: 5px; color: var(--brass); font-size: .72rem; letter-spacing: .17em; text-transform: uppercase; }
.answer-box p { grid-column: 2; margin: 0; font-size: 1.08rem; }
.meta-row { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 26px; color: var(--muted); font-size: .8rem; }
.status { color: var(--green); }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 70px; align-items: start; padding: 78px 0 100px; }
.article-body { min-width: 0; }
.article-body > section { scroll-margin-top: 100px; padding: 0 0 62px; margin: 0 0 62px; border-bottom: 1px solid rgba(90,75,63,.6); }
.article-body > section:last-child { border-bottom: 0; }
.article-body p, .article-body li { color: #cec7be; }
.article-body h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
.article-body h3 { margin-top: 30px; }
.article-body ul, .article-body ol { padding-left: 1.35rem; }
.article-body li { margin-bottom: .6rem; }
.toc { position: sticky; top: 104px; padding: 22px; background: rgba(27,30,34,.75); border: 1px solid var(--border); }
.toc strong { display: block; margin-bottom: 13px; color: var(--brass); font-size: .7rem; letter-spacing: .17em; text-transform: uppercase; }
.toc a { display: block; padding: 8px 0; color: var(--muted); border-bottom: 1px solid rgba(90,75,63,.35); font-size: .86rem; line-height: 1.25; text-decoration: none; }
.toc a:hover { color: var(--ink); }

.callout { margin: 26px 0; padding: 21px 22px; background: rgba(201,154,106,.08); border-left: 3px solid var(--brass); }
.callout.warning { background: rgba(216,156,75,.07); border-color: var(--amber); }
.callout.spoiler { background: rgba(128,51,51,.14); border-color: var(--blood); }
.callout strong { display: block; margin-bottom: 5px; color: var(--ink); }
.data-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 28px 0; }
.data-card { padding: 22px; background: var(--surface); border: 1px solid var(--border); }
.data-card span { display: block; color: var(--muted); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.data-card strong { display: block; margin-top: 8px; color: var(--ink); font: 600 1.55rem/1.15 var(--serif); }
.table-wrap { overflow-x: auto; margin: 28px 0; border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 15px 17px; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(90,75,63,.55); }
th { color: var(--brass-pale); background: var(--surface-2); font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; }
td { color: #cbc3ba; background: rgba(27,30,34,.55); }
tr:last-child td { border-bottom: 0; }
.checklist { list-style: none; padding: 0 !important; }
.checklist li { position: relative; padding-left: 28px; }
.checklist li::before { content: "◇"; position: absolute; left: 0; color: var(--brass); }
.source-list { margin: 0; padding: 0 !important; list-style: none; }
.source-list li { padding: 13px 0; border-bottom: 1px solid rgba(90,75,63,.5); }
.source-list a { font-weight: 600; }
.source-list small { display: block; color: var(--muted); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.related-card { padding: 20px; color: var(--ink); background: var(--surface); border: 1px solid var(--border); text-decoration: none; }
.related-card span { display: block; margin-top: 7px; color: var(--muted); font-size: .82rem; }

.final-cta { position: relative; padding: 90px 0; overflow: hidden; background: #0b0d10; border-top: 1px solid var(--border); }
.final-cta::after { content: ""; position: absolute; left: 50%; top: -190px; width: 540px; height: 540px; border: 60px solid rgba(128,51,51,.09); border-radius: 50%; }
.final-cta .container { position: relative; z-index: 1; }
.final-cta h2 { max-width: 800px; }
.final-cta p { max-width: 650px; color: var(--muted); }

.site-footer { padding: 60px 0 28px; background: #080a0c; }
.footer-top { display: grid; grid-template-columns: 1.2fr 2.2fr; gap: 80px; }
.footer-brand img { width: 280px; height: 80px; object-fit: contain; object-position: left center; }
.footer-brand p { max-width: 390px; color: var(--muted); font-size: .88rem; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.footer-links h3 { color: var(--brass); font: 700 .7rem/1 var(--sans); letter-spacing: .15em; text-transform: uppercase; }
.footer-links a { display: block; margin: 9px 0; color: var(--muted); font-size: .84rem; text-decoration: none; }
.footer-links a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; gap: 30px; margin-top: 50px; padding-top: 22px; color: #79746e; border-top: 1px solid #292622; font-size: .74rem; }

.reveal { opacity: 1; transform: none; }
.reveal.visible { animation: rise-in .55s ease both; }
@keyframes rise-in { from { opacity: .2; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal.visible { animation: none; } }

@media (max-width: 960px) {
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav { position: absolute; left: 0; right: 0; top: 76px; display: none; padding: 14px 20px 22px; background: #0b0d10; border-bottom: 1px solid var(--border); }
  .main-nav.open { display: grid; grid-template-columns: 1fr 1fr; }
  .main-nav a { padding: 13px; }
  .main-nav a::after { bottom: 7px; }
  .hero { min-height: auto; }
  .hero-feature { grid-template-columns: 1fr; }
  .hero-video { order: -1; max-width: 720px; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .guide-grid { grid-template-columns: 1fr 1fr; }
  .section-head, .about-grid, .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .article-layout { grid-template-columns: 1fr; }
  .toc { position: static; order: -1; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .container, .narrow { width: min(calc(100% - 28px), var(--max)); }
  .nav-wrap { min-height: 66px; }
  .brand { width: 205px; }
  .brand img { height: 46px; }
  .main-nav { top: 66px; grid-template-columns: 1fr !important; max-height: calc(100vh - 66px); overflow: auto; }
  .hero-inner { padding: 56px 0 52px; }
  .hero-feature { gap: 38px; }
  .hero h1, .page-hero h1 { font-size: clamp(2.85rem, 15vw, 4.3rem); }
  .hero-stats { margin-top: 46px; }
  .stat { min-height: 96px; padding: 14px; }
  .stat dd { font-size: 1.05rem; }
  .section { padding: 70px 0; }
  .guide-grid, .related-grid, .data-grid { grid-template-columns: 1fr; }
  .guide-card { min-height: 220px; }
  .duality { grid-template-columns: 1fr; }
  .duality > div { min-height: 330px; }
  .duality h2 { margin-top: 55px; }
  .video-note, .footer-bottom { display: block; }
  .hero-video .video-note { display: flex; }
  .page-hero { padding: 70px 0 52px; }
  .page-hero::after { display: none; }
  .article-layout { padding: 50px 0 70px; gap: 38px; }
  .article-body > section { margin-bottom: 46px; padding-bottom: 46px; }
  .footer-links { grid-template-columns: 1fr; }
  .footer-bottom > * { display: block; margin-bottom: 10px; }
}