:root{--ink:#102232;--muted:#5b6b79;--nav:#071827;--brand:#d97706;--soft:#f2f6f8;--line:#dbe4e8;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.66 Arial,Helvetica,sans-serif;background:#fff}a{color:#0b5e8e;text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.topbar{background:#06121d;color:#dbeafe;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;padding:7px 0}.site-header{background:var(--nav);color:white;position:sticky;top:0;z-index:10;border-bottom:1px solid #1e3b4e}.nav{display:flex;align-items:center;justify-content:space-between;min-height:74px}.brand{font-weight:800;font-size:21px;color:white;letter-spacing:.2px}.brand span{color:#f59e0b}.menu{display:flex;gap:20px;align-items:center}.menu a{color:#dbeafe;font-weight:600;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:white!important;padding:12px 20px;border-radius:8px;font-weight:700;border:0}.btn.alt{background:#0b5e8e}.hero{background:linear-gradient(120deg,#071827 0%,#0f3347 65%,#174b62 100%);color:white;padding:86px 0}.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px;align-items:center}.hero h1,.subhero h1{font-size:clamp(38px,5vw,66px);line-height:1.04;margin:0 0 22px}.hero p{font-size:20px;color:#d4e2eb;max-width:720px}.hero-card{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);padding:28px;border-radius:18px}.kicker{text-transform:uppercase;letter-spacing:1.8px;font-size:12px;font-weight:800;color:#f59e0b}.section{padding:72px 0}.section.soft{background:var(--soft)}.section h2{font-size:36px;line-height:1.2;margin:0 0 20px}.section h3{font-size:24px;line-height:1.25;margin:32px 0 12px}.lead{font-size:20px;color:#405464}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{border:1px solid var(--line);border-radius:14px;padding:24px;background:white;box-shadow:0 6px 24px rgba(12,38,53,.05)}.card h3{margin:0 0 10px}.card .tag{display:inline-block;background:#e8f2f7;color:#174b62;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700}.breadcrumbs{font-size:13px;color:#6b7b87;padding:14px 0}.subhero{background:#0a2535;color:white;padding:46px 0}.subhero-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center}.subhero figure{margin:0;background:white;border-radius:16px;overflow:hidden;box-shadow:0 16px 50px rgba(0,0,0,.25)}.subhero figcaption{color:#334155;padding:12px 16px;font-size:13px;background:#f8fafc}.subhero p{color:#d4e2eb;font-size:18px}.ribbon{background:#e8f2f7;border-bottom:1px solid #cddde5}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cddde5}.fact{background:#f7fafb;padding:19px}.fact b{display:block;color:#0a2535}.technical{padding:62px 0;background:#fff}.source-boundary{border-left:5px solid #d97706;background:#fff7ed;padding:18px 22px;margin:20px 0 28px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;margin:22px 0}table{border-collapse:collapse;width:100%;min-width:780px}th,td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:#0a2535;color:white;font-size:13px}tr:nth-child(even) td{background:#f8fafc}.evidence-grid{display:grid;gap:24px;margin:32px 0}.evidence-grid figure{margin:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f7fafb}.evidence-grid figcaption{padding:12px 15px;color:#4b5f6e;font-size:13px}.content-narrow{max-width:900px}.content-narrow p{margin:0 0 18px}.checklist{padding-left:22px}.checklist li{margin:7px 0}.callout{background:#0a2535;color:white;padding:28px;border-radius:14px;margin:34px 0}.callout h3{margin-top:0}.faq details{border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:12px 0;background:white}.faq summary{font-weight:700;cursor:pointer}.footer-cta{background:#d97706;color:white;padding:38px 0}.site-footer{background:#06121d;color:#bcd0dc;padding:50px 0 18px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.site-footer a{color:#dbeafe}.footer-bottom{border-top:1px solid #203a4a;margin-top:35px;padding-top:18px;font-size:13px;display:flex;justify-content:space-between}.market-stat{font-size:30px;font-weight:800;color:#0b5e8e}.notice{border:1px solid #f59e0b;background:#fffbeb;padding:16px;border-radius:10px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:12px;border:1px solid #aebfc9;border-radius:7px}.field.full{grid-column:1/-1}.small{font-size:13px;color:#657785}.pill-row{display:flex;gap:10px;flex-wrap:wrap}.pill{border:1px solid #9db2bf;border-radius:999px;padding:7px 12px;font-size:13px}.toc{background:#f6f9fa;border:1px solid var(--line);padding:18px 22px;border-radius:10px}.toc a{margin-right:14px}.provenance{font-size:13px;background:#eef5f8;padding:12px 16px;border-radius:8px}.no-js-note{display:none}@media(max-width:900px){.menu{display:none}.hero-grid,.subhero-grid,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr 1fr}.hero{padding:60px 0}.section{padding:52px 0}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}}@media(max-width:520px){.facts{grid-template-columns:1fr}.topbar .wrap{display:block}.footer-bottom{display:block}}

/* Physical product photography */
.product-photo-section{background:#f8fafc}
.product-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:24px}
.product-photo{margin:0;background:#fff;border:1px solid #dbe4ee;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.product-photo img,.card-image{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain;background:#fff}
.product-photo figcaption{padding:12px 14px;font-size:.9rem;color:#475569;border-top:1px solid #e5e7eb}
.gallery-note{max-width:900px;color:#475569}
.card-image{margin:-1px -1px 16px;width:calc(100% + 2px);border-radius:12px 12px 0 0;border-bottom:1px solid #e2e8f0}
.hero-card img,.subhero figure.evidence>img{object-fit:contain;background:#fff;border-radius:10px}
@media(max-width:850px){.product-gallery{grid-template-columns:1fr}.card-image{aspect-ratio:4/3}}