:root{--ink:#102b29;--green:#0b4b45;--mint:#e8f4f1;--gold:#e8a51c;--line:#c9d9d6;--paper:#f6faf9;--red:#b42318;--shadow:0 18px 55px rgba(10,55,50,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 Inter,Segoe UI,Arial,sans-serif}button,input,select{font:inherit}.site-header{height:76px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none}.brand span{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--green);color:#fff;font-size:24px;font-weight:900}.site-header nav{display:flex;gap:10px;align-items:center}.site-header nav a{color:var(--ink);text-decoration:none;padding:10px}.primary,.ghost,.demo,.danger{border:0;border-radius:10px;padding:11px 18px;font-weight:750;cursor:pointer}.primary{background:var(--green);color:#fff}.ghost{background:#fff;color:var(--green);border:1px solid var(--line)}.demo{background:var(--gold);color:#251700}.danger{background:#fee4e2;color:var(--red)}.hero{min-height:620px;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;padding:70px clamp(24px,7vw,110px);background:radial-gradient(circle at 82% 10%,#cce9e2 0,transparent 34%),linear-gradient(145deg,#fff,#edf7f5)}.eyebrow{color:#087266;text-transform:uppercase;letter-spacing:.14em;font-size:13px;font-weight:800}.hero h1{font-size:clamp(38px,5.6vw,72px);line-height:1.04;margin:10px 0 22px;max-width:840px}.hero p{font-size:19px;max-width:720px;color:#425f5c}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-card{background:var(--green);color:#fff;border-radius:28px;padding:30px;box-shadow:var(--shadow)}.hero-card h2{margin-top:0}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);padding:18px;border-radius:16px}.metric b{font-size:30px;display:block}.section{padding:72px clamp(24px,7vw,110px)}.section h2{font-size:36px;margin:0 0 10px}.lead{color:#526a68;max-width:760px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.feature{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.feature b{display:block;font-size:18px;margin-bottom:7px}.contact{background:var(--green);color:#fff;border-radius:24px;padding:30px;display:flex;justify-content:space-between;gap:20px;align-items:center}.auth-shell{min-height:calc(100vh - 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