:root{--c:#0e7c86;--d:#0a4f56;--l:#e8f6f7;--t:#22313a}
*{box-sizing:border-box}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--t);background:#fff}
.w{max-width:1040px;margin:0 auto;padding:0 16px}
header{background:#fff;border-bottom:1px solid #d9e6e8;position:sticky;top:0}
header .w{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;min-height:64px}
.logo{font-size:21px;font-weight:700;color:var(--d);text-decoration:none}.logo b{color:var(--c)}
nav a{margin-left:16px;color:var(--t);text-decoration:none;font-size:15px}nav a.on,nav a:hover{color:var(--c)}
.hero{background:linear-gradient(135deg,var(--l),#fff);padding:70px 0}.hero.small{padding:42px 0}
h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:0 0 14px;color:var(--d)}
h2{color:var(--d);margin:28px 0 12px}
.btn{display:inline-block;background:var(--c);color:#fff;padding:11px 24px;border-radius:8px;text-decoration:none;border:2px solid var(--c);font-size:16px;cursor:pointer}
.btn.o{background:transparent;color:var(--c)}
.sec{padding:36px 16px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.card{border:1px solid #d9e6e8;border-radius:12px;padding:20px;background:#fff}.card h3{margin:0 0 8px;color:var(--c)}
.band{background:var(--d);color:#fff;padding:40px 0}.band h2{color:#fff;margin-top:0}
.f label{display:block;margin:12px 0;font-weight:600}.f input,.f textarea{display:block;width:100%;padding:10px;border:1px solid #b9cbce;border-radius:6px;font:inherit}
footer{background:#10252a;color:#cfe3e5;padding:30px 0;font-size:14px}
footer .w{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}footer p{width:100%;margin:0;opacity:.7}