:root{--bg:#fff;--ink:#0f172a;--muted:#475569;--brand:#0a5c70;--brand-ink:#fff;--line:#e2e8f0;--alt:#f8fafc}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}a,button{color:var(--brand)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #0891b2;outline-offset:2px;border-radius:6px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}.skip-link:focus{left:0}.site-header{border-bottom:1px solid var(--line);position:-webkit-sticky;position:sticky;top:0;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}.header-inner nav{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.header-inner nav a{color:var(--ink);text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.header-inner nav a:hover{color:var(--brand)}.brand{font-weight:800;font-size:22px;letter-spacing:1px;color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 22px;border-radius:10px;background:var(--brand);color:var(--brand-ink);text-decoration:none;font-weight:700;border:2px solid var(--brand);cursor:pointer}.btn:hover{background:#0c5e74;border-color:#0c5e74}.btn-lg{min-height:52px;padding:0 28px;font-size:18px}.btn-sm{min-height:40px;padding:0 16px}.btn-ghost{background:transparent;color:var(--brand)}.btn-ghost:hover{background:var(--alt)}.hero{padding:72px 0 56px}.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.1;margin:0 0 18px;max-width:18ch}.lead{font-size:20px;color:var(--muted);max-width:60ch;margin:0 0 28px}.cta-row{display:flex;gap:14px;flex-wrap:wrap}.section{padding:56px 0}.section-alt{background:var(--alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section h2{font-size:clamp(24px,3.5vw,34px);margin:0 0 22px}.section-cta{text-align:center}.steps{list-style:none;padding:0;margin:0;display:grid;grid-gap:14px;gap:14px;max-width:70ch}.steps li{padding:16px 18px;background:var(--alt);border:1px solid var(--line);border-radius:12px}.grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:16px;gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted)}.site-footer{border-top:1px solid var(--line);background:var(--ink);color:#cbd5e1;margin-top:24px}.site-footer .brand{color:#fff}.footer-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:40px 20px 16px}.footer-inner p{color:#cbd5e1;max-width:44ch}.footer-inner nav{display:flex;flex-direction:column;gap:10px}.footer-inner nav a{color:#cbd5e1;text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.footer-inner nav a:hover{color:#fff}.footer-legal{color:#94a3b8;font-size:14px;padding:12px 20px 28px;border-top:1px solid #1e293b}.prose{max-width:70ch;padding:48px 0}.prose h1{font-size:34px}.prose h2{font-size:22px;margin-top:28px}.prose li,.prose p{color:var(--muted)}