:root{--navy:#0a1c28;--navy2:#102f42;--copper:#a75f32;--gold:#d8a35c;--cream:#f5eddd;--paper:#fffaf0;--ink:#18242b;--muted:#5e6970;--line:#d9c8aa;--green:#395d50;--red:#963f36;--shadow:0 22px 60px rgba(5,20,29,.16);--radius:22px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.68 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}img{max-width:100%;height:auto}a{color:inherit}.wrap{width:min(calc(100% - 38px),1200px);margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:999;background:#fff;padding:10px}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,237,221,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(10,28,40,.14)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:950;letter-spacing:-.02em}.brand img{width:48px;height:48px}.navlinks{display:flex;align-items:center;gap:15px;font-size:.86rem;font-weight:850}.navlinks a{text-decoration:none}.navlinks a:hover{color:var(--copper)}.menu-btn{display:none;border:0;background:var(--navy);color:#fff;border-radius:11px;padding:9px 12px;font-weight:900}.hero{position:relative;background:radial-gradient(circle at 78% 20%,rgba(216,163,92,.24),transparent 31%),linear-gradient(145deg,var(--navy2),var(--navy));color:#fff;padding:90px 0 70px;overflow:hidden}.hero:after{content:'DATE • MINT • METAL • GRADE • SURFACE • PROVENANCE';position:absolute;bottom:-14px;left:1%;font:900 clamp(2rem,6vw,5.8rem)/1 Georgia,serif;letter-spacing:.04em;color:rgba(255,255,255,.035);white-space:nowrap}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.06fr .94fr;align-items:center;gap:50px}.hero h1,.page-hero h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.04}h1{font-size:clamp(3.2rem,7vw,6.2rem);margin:.15em 0}h2{font-size:clamp(2rem,4vw,3.6rem);margin:.2em 0 .35em}h3{font-size:1.38rem;margin:.2em 0 .4em}.eyebrow{text-transform:uppercase;letter-spacing:.17em;font-size:.73rem;font-weight:950;color:#efbd75}.eyebrow.ink{color:var(--copper)}.lead{font-size:clamp(1.05rem,2vw,1.3rem);max-width:730px;color:#d7e4e9}.hero-art{filter:drop-shadow(0 30px 35px rgba(0,0,0,.34));transform:rotate(1deg)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:12px 19px;text-decoration:none;font-weight:950;border:1px solid transparent;cursor:pointer}.btn-primary,.btn-gold{background:var(--gold);color:#1a2225}.btn-secondary{border-color:rgba(255,255,255,.55);color:#fff}.btn-dark{background:var(--navy);color:#fff}.btn-copper{background:var(--copper);color:#fff}.btn-outline{border-color:var(--navy);color:var(--navy)}.trustbar{background:#05141d;color:#e1ecf0;border-top:1px solid rgba(255,255,255,.1)}.trustbar .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:17px 0}.trust-item{font-size:.87rem}.trust-item strong{display:block;color:#efbd75}.section{padding:76px 0}.section.white{background:var(--paper)}.section.dark{background:var(--navy2);color:#fff}.section.copper{background:var(--copper);color:#fff}.section-head{max-width:900px;margin-bottom:31px}.section-head p{color:var(--muted);font-size:1.08rem}.dark .section-head p,.copper .section-head p{color:#e3edf1}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:23px;box-shadow:0 9px 30px rgba(27,40,33,.07);position:relative}.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);transition:.2s}.card img{border-radius:15px;margin-bottom:18px;background:#eadfc3}.card p{color:var(--muted)}.card .meta,.meta{font-size:.76rem;text-transform:uppercase;letter-spacing:.12em;font-weight:950;color:var(--copper)}.card-link{text-decoration:none}.dark .card,.copper .card{background:#173a4d;border-color:#456577}.dark .card p,.copper .card p{color:#e4eef2}.dark .card .meta,.copper .card .meta{color:#efbd75}.coin-card:before{content:'';position:absolute;inset:9px;border:2px dotted rgba(167,95,50,.15);border-radius:50px;pointer-events:none}.feature{display:grid;grid-template-columns:.85fr 1.15fr;gap:42px;align-items:center}.checklist{display:grid;gap:10px}.check{display:flex;gap:11px;align-items:flex-start;background:rgba(10,28,40,.08);padding:13px;border-radius:13px}.check b{color:var(--copper)}.notice{border-left:5px solid var(--gold);background:#fff1ce;padding:18px 20px;border-radius:0 14px 14px 0}.warning{border-left-color:var(--red);background:#f5dfd9}.breadcrumbs{font-size:.85rem;color:var(--muted);padding:20px 0}.breadcrumbs a{color:var(--copper)}.page-hero{padding:52px 0 40px;background:linear-gradient(150deg,#fffaf0,#e4d2ae);border-bottom:1px solid var(--line);position:relative;overflow:hidden}.page-hero:after{content:'';position:absolute;right:-100px;top:-150px;width:420px;height:420px;border:30px dotted rgba(167,95,50,.07);border-radius:50%}.page-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.18fr .82fr;gap:36px;align-items:center}.page-hero-grid img{max-height:310px;margin:auto}.page-hero h1{font-size:clamp(2.5rem,6vw,4.7rem)}.page-hero p{font-size:1.15rem;color:var(--muted);max-width:820px}.article{width:min(calc(100% - 36px),930px);margin:auto;padding:58px 0}.article h2{margin-top:2.15rem}.article h3{margin-top:1.55rem}.article ul,.article ol{padding-left:22px}.article li{margin:7px 0}.article .cta{margin:34px 0;background:var(--navy);color:#fff;padding:28px;border-radius:21px}.article .cta p{color:#dfeaf0}.article a:not(.btn){color:var(--copper)}.toc{background:#fff;border:1px solid var(--line);padding:20px;border-radius:16px;margin:25px 0}table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}th,td{padding:12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}th{background:#ead9b8}.search-panel{background:var(--paper);border:1px solid var(--line);border-radius:30px;padding:31px;box-shadow:var(--shadow)}.search-form{display:grid;grid-template-columns:1fr auto;gap:12px}.search-form input,.search-form select,.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:14px 15px;border:1px solid #b8a37e;border-radius:13px;background:#fff;font:inherit}.filter-form{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.filter-form .wide{grid-column:span 4}.chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.chip{display:inline-flex;border-radius:999px;background:#ead9b8;padding:7px 11px;text-decoration:none;font-size:.84rem;font-weight:850}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.spec{background:#fff;border:1px solid var(--line);padding:14px;border-radius:13px}.spec strong{display:block;color:var(--copper)}.finder-result{margin-top:18px;padding:20px;border-radius:16px;background:#ead9b8;display:none}.sticker{display:inline-block;background:var(--copper);color:#fff;padding:7px 13px;border-radius:7px;transform:rotate(-2deg);font-weight:950;box-shadow:4px 4px 0 var(--gold)}.footer{background:#05141d;color:#dbe7ec;padding:53px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer h3{color:#fff;font-size:1.05rem}.footer a{color:#d4e2e8;text-decoration:none}.footer small{display:block;border-top:1px solid rgba(255,255,255,.14);margin-top:35px;padding-top:20px;color:#9eb3be}.footer-brand{color:#fff;margin-bottom:12px}.small{font-size:.88rem;color:var(--muted)}.small.light{color:#c3d3db}@media(max-width:980px){.navlinks{gap:10px;font-size:.78rem}}@media(max-width:900px){.hero-grid,.page-hero-grid,.feature{grid-template-columns:1fr}.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.trustbar .wrap{grid-template-columns:repeat(2,1fr)}.navlinks{display:none;position:absolute;top:76px;left:0;right:0;background:var(--cream);padding:22px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.navlinks.open{display:flex}.menu-btn{display:block}.filter-form{grid-template-columns:1fr 1fr}.filter-form .wide{grid-column:span 2}}@media(max-width:620px){.grid-4,.grid-3,.grid-2,.footer-grid,.trustbar .wrap,.search-form,.spec-grid{grid-template-columns:1fr}.section{padding:56px 0}.hero{padding:64px 0 48px}.hero-art{max-width:92%;margin:auto}.filter-form{grid-template-columns:1fr}.filter-form .wide{grid-column:span 1}}