:root{--bg:#0f172a;--fg:#0f172a;--muted:#64748b;--line:#e2e8f0;--accent:#0d9488;--accent2:#0f766e;--soft:#f1f5f9}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--fg);background:#fff}
a{color:var(--accent2);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--fg)}
.logo:hover{text-decoration:none}.logo svg{width:28px;height:28px}
nav a{color:var(--fg);margin-left:24px;font-size:15px}nav a.active{color:var(--accent2);font-weight:600}
.hero{background:linear-gradient(135deg,#0f172a 0%,#134e4a 100%);color:#fff;padding:96px 0 88px}
.hero h1{font-size:44px;line-height:1.15;margin:0 0 18px;max-width:720px}
.hero p{font-size:19px;color:#cbd5e1;max-width:620px;margin:0 0 32px}
.btn{display:inline-block;padding:12px 22px;border-radius:8px;background:var(--accent);color:#fff;font-weight:600}
.btn:hover{background:var(--accent2);text-decoration:none}
.btn.ghost{background:transparent;border:1px solid #475569;margin-left:12px}
section{padding:72px 0}section.alt{background:var(--soft)}
h2{font-size:30px;margin:0 0 12px}.lead{color:var(--muted);max-width:640px;margin:0 0 40px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.card{border:1px solid var(--line);border-radius:12px;padding:28px;background:#fff}
.card h3{margin:14px 0 8px;font-size:19px}.card p{margin:0;color:var(--muted)}
.icon{width:44px;height:44px;border-radius:10px;background:#ccfbf1;display:grid;place-items:center;color:var(--accent2)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;text-align:center}
.stats b{display:block;font-size:36px;color:var(--accent2)}.stats span{color:var(--muted)}
.cta{background:#0f172a;color:#fff;border-radius:16px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta h2{margin:0}.cta p{margin:6px 0 0;color:#94a3b8}
.page-head{background:var(--soft);padding:56px 0;border-bottom:1px solid var(--line)}.page-head h1{margin:0;font-size:36px}.page-head p{color:var(--muted);margin:8px 0 0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:48px}@media(max-width:760px){.two{grid-template-columns:1fr}.hero h1{font-size:32px}nav a{margin-left:14px}}
form label{display:block;font-weight:600;margin:16px 0 6px}
form input,form textarea{width:100%;padding:11px 12px;border:1px solid #cbd5e1;border-radius:8px;font:inherit}
form textarea{min-height:130px}form button{margin-top:20px;border:0;cursor:pointer;font:inherit}
.note{color:var(--muted);font-size:14px}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.center{text-align:center}.big404{font-size:96px;font-weight:800;color:var(--accent);margin:0}