:root{--ink:#1f2d3a;--navy:#213140;--navy2:#172431;--blue:#6ca6c7;--gold:#c5aa78;--paper:#ffffff;--soft:#f6f7f8;--line:#d9dde1;--muted:#637281;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--paper);color:var(--ink);line-height:1.55}a{text-decoration:none;color:inherit}.top-strip{background:var(--navy2);color:#fff;text-align:center;font-size:14px;padding:8px 12px}.site-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;padding:22px clamp(18px,4vw,54px);border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}.brand img{width:320px;display:block}.contact-line{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:14px}.nav{display:flex;gap:24px;justify-content:flex-end;color:var(--ink);font-size:15px}.nav a:hover{color:var(--gold)}.section{max-width:var(--max);margin:0 auto;padding:54px clamp(18px,4vw,34px)}.hero{text-align:center}.eyebrow{margin:0 0 12px;color:var(--gold);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:13px}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;font-weight:500;line-height:1.1;margin:0 0 16px}h1{font-size:clamp(34px,4.5vw,58px);max-width:920px;margin-inline:auto}h2{font-size:clamp(28px,3.2vw,42px)}h3{font-size:24px}.lead{max-width:920px;margin:0 auto 34px;color:var(--muted);font-size:18px}.hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;text-align:left;align-items:stretch}.diamond-showcase{background:linear-gradient(180deg,#fff,#f5f8fa);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(31,45,58,.08);min-height:480px;display:grid;place-items:center;position:relative;padding:32px;overflow:hidden}.diamond-showcase:before{content:"";position:absolute;inset:24px;border:1px solid #e7eaed}.main-diamond{width:min(330px,70%);position:relative;z-index:1;filter:drop-shadow(0 12px 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var(--line);padding:28px;color:var(--muted);background:#fbfbfc}@media(max-width:900px){.site-header{grid-template-columns:1fr;text-align:center}.contact-line{display:none}.nav{justify-content:center;flex-wrap:wrap}.brand{margin:auto}.hero-grid,.split,.cards,.steps,.quick-form,.shape-grid{grid-template-columns:1fr}.diamond-showcase{min-height:360px}.main-diamond{width:240px}.section{padding:42px 18px}h1{font-size:36px}.lead{font-size:16px}.type-row{flex-wrap:wrap}}