:root {
  --bg: #0a0c0e;
  --bg-soft: #111417;
  --panel: #171a1e;
  --text: #e9e8e4;
  --muted: #aaa8a2;
  --line: rgba(224, 218, 204, .19);
  --gold: #c49a55;
  --gold-deep: #9b7134;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: var(--sans); line-height: 1.6; overflow-x: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 50; padding: 10px 16px; background: var(--text); color: var(--bg); }
.skip-link:focus { top: 16px; }
.site-header { min-height: 86px; padding: 0 clamp(24px, 4vw, 72px); display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--line); background: rgba(10,12,14,.96); position: sticky; top: 0; z-index: 20; }
.wordmark { font-family: var(--serif); font-size: 25px; letter-spacing: .34em; text-decoration: none; }
.site-nav { display: flex; align-items: center; gap: clamp(20px, 2.6vw, 44px); }
.site-nav a { color: #d8d6d0; font-size: 12px; font-weight: 600; letter-spacing: .13em; text-decoration: none; text-transform: uppercase; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--gold); }
.menu-button { display: none; border: 1px solid var(--line); color: var(--text); background: transparent; font: 600 12px/1 var(--sans); letter-spacing: .12em; padding: 11px 13px; text-transform: uppercase; }
.hero { min-height: 630px; display: grid; grid-template-columns: minmax(360px, .82fr) minmax(500px, 1.18fr); align-items: center; border-bottom: 1px solid var(--line); overflow: hidden; }
.hero-copy { min-width: 0; padding: 70px 3vw 70px clamp(28px, 5vw, 90px); position: relative; z-index: 2; }
.hero-copy::before { content: ""; position: absolute; width: 430px; height: 430px; left: -235px; bottom: -280px; border: 1px solid var(--line); border-radius: 50%; opacity: .5; }
.hero h1 { margin: 0; font: 400 clamp(78px, 10vw, 160px)/.85 var(--serif); letter-spacing: .02em; }
.hero-line { margin: 25px 0 16px; font: 400 clamp(28px, 3.2vw, 48px)/1.08 var(--serif); }
.hero-body { max-width: 530px; margin: 0; color: #c6c4be; font-size: 18px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 34px; }
.button { min-height: 48px; padding: 13px 25px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--gold); font-size: 14px; font-weight: 650; text-decoration: none; transition: .2s ease; }
.button-primary { background: var(--gold); color: #0b0c0e; }
.button-primary:hover, .button-primary:focus-visible { background: #d5ad69; }
.button-secondary { color: var(--gold); }
.button-secondary:hover, .button-secondary:focus-visible { background: rgba(196,154,85,.1); }
.hero-media { margin: 0; height: 100%; min-height: 630px; position: relative; background: #0b0d0f; overflow: hidden; }
.hero-media::after { content: ""; position: absolute; inset: 0; box-shadow: inset 70px 0 80px -70px var(--bg); pointer-events: none; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.purpose { min-height: 330px; display: grid; grid-template-columns: 1fr 1.1fr .62fr; align-items: stretch; border-bottom: 1px solid var(--line); background: var(--bg-soft); overflow: hidden; }
.blueprint { min-height: 330px; display: grid; place-items: center; border-right: 1px solid var(--line); background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 48px 48px; }
.blueprint svg { width: min(92%, 480px); fill: none; stroke: rgba(219,215,203,.34); stroke-width: 1.2; }
.blueprint .blueprint-a { stroke: rgba(230,226,215,.68); stroke-width: 2; }
.purpose-copy { padding: 58px clamp(28px, 5vw, 78px); align-self: center; }
h2 { margin: 0 0 20px; font: 400 clamp(34px, 4vw, 58px)/1.08 var(--serif); }
.purpose-copy p, .section-heading p { max-width: 640px; color: #c4c1ba; }
.column-lines { border-left: 1px solid var(--line); background: linear-gradient(130deg, transparent 42%, var(--line) 42.2%, transparent 42.6%), repeating-linear-gradient(90deg, transparent 0 38px, var(--line) 39px 40px); opacity: .5; }
.standard { padding: 90px clamp(28px, 7vw, 110px); border-bottom: 1px solid var(--line); }
.section-heading { max-width: 780px; }
.section-heading p { font-size: 18px; }
.principles { margin: 60px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles div { padding: 30px 28px 34px; border-right: 1px solid var(--line); }
.principles div:last-child { border-right: 0; }
.principles dt { margin-bottom: 10px; color: var(--gold); font: 400 25px/1.2 var(--serif); }
.principles dd { margin: 0; color: var(--muted); font-size: 14px; }
.editions { padding: 48px 0 0; background: #111315; border-bottom: 1px solid var(--line); overflow: hidden; }
.centered { max-width: none; padding: 0 24px; text-align: center; }
.centered h2 { margin-bottom: 4px; }
.metals { margin: 0; color: var(--gold) !important; font: 400 clamp(22px, 2.3vw, 34px)/1.2 var(--serif); }
.edition-media { max-width: 1254px; margin: 28px auto 0; }
.edition-media img { width: 100%; }
.material-note { max-width: 780px; padding: 0 28px 52px; margin: 0 auto; text-align: center; color: #aaa8a2; font-size: 13px; }
.responsibility { padding: 28px clamp(28px, 7vw, 110px); display: grid; grid-template-columns: 64px 1fr auto; gap: 28px; align-items: center; background: linear-gradient(90deg, #23262a, #171a1e); border-bottom: 1px solid var(--line); }
.responsibility h2 { margin-bottom: 5px; color: var(--gold); font: 400 22px/1.3 var(--serif); }
.responsibility p { max-width: 900px; margin: 0; color: #b9b6af; font-size: 14px; }
.shield { width: 58px; fill: none; stroke: var(--gold); stroke-width: 1.2; }
.text-link { color: var(--gold); font-size: 13px; letter-spacing: .06em; text-decoration: none; white-space: nowrap; }
.faq { padding: 86px clamp(28px, 16vw, 250px) 100px; }
.faq .section-heading { margin-bottom: 28px; }
details { border-top: 1px solid var(--line); padding: 22px 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font: 400 22px/1.4 var(--serif); }
details p { max-width: 760px; color: var(--muted); }
.site-footer { padding: 38px clamp(28px, 5vw, 76px); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer .wordmark { color: var(--text); }
@media (max-width: 1020px) {
  .site-nav { display: none; position: absolute; left: 0; right: 0; top: 86px; padding: 24px; flex-direction: column; align-items: flex-start; background: #0d0f11; border-bottom: 1px solid var(--line); }
  .site-nav.open { display: flex; }
  .menu-button { display: block; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding-top: 65px; }
  .hero-media { min-height: 480px; }
  .purpose { grid-template-columns: 1fr 1.2fr; }
  .column-lines { display: none; }
  .principles { grid-template-columns: 1fr 1fr; }
  .principles div:nth-child(2) { border-right: 0; }
  .principles div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .responsibility { grid-template-columns: 58px 1fr; }
  .responsibility .text-link { grid-column: 2; }
}
@media (max-width: 680px) {
  .site-header { min-height: 72px; }
  .site-nav { top: 72px; }
  .wordmark { font-size: 21px; }
  .hero { min-height: 0; }
  .hero-copy { padding: 54px 24px 42px; }
  .hero h1 { font-size: clamp(62px, 18vw, 78px); letter-spacing: 0; }
  .hero-line { max-width: 100%; font-size: 28px; overflow-wrap: break-word; }
  .hero-body { font-size: 16px; }
  .button { width: 100%; }
  .hero-media { min-height: 330px; }
  .purpose { grid-template-columns: 1fr; }
  .blueprint { min-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
  .purpose-copy { padding: 46px 24px; }
  .standard { padding: 64px 24px; }
  .principles { grid-template-columns: 1fr; margin-top: 40px; }
  .principles div { border-right: 0; border-bottom: 1px solid var(--line); }
  .principles div:last-child { border-bottom: 0; }
  .responsibility { grid-template-columns: 46px 1fr; padding: 28px 24px; gap: 18px; }
  .shield { width: 44px; }
  .responsibility .text-link { grid-column: 1 / -1; }
  .faq { padding: 64px 24px 76px; }
  .site-footer { grid-template-columns: 1fr; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }