:root{--bg:#f6f8fb;--ink:#1b2433;--muted:#667085;--brand:#2563eb;--brand2:#06b6d4;--dark:#0b1220;--card:#fff;--line:#e5e9f0}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
header{position:sticky;top:0;z-index:10;background:rgba(11,18,32,.92);backdrop-filter:blur(8px)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:19px;text-decoration:none}
.logo i{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-block}
nav a{color:#b6c2d6;text-decoration:none;margin-left:28px;font-size:15px;transition:.2s}
nav a:hover,nav a.on{color:#fff}
.hero{background:radial-gradient(1200px 500px at 80% -10%,#1d4ed8 0%,transparent 60%),linear-gradient(160deg,#0b1220,#13213f);color:#fff;padding:110px 0 120px}
.hero h1{font-size:50px;line-height:1.15;max-width:700px;margin-bottom:18px}
.hero p{font-size:19px;color:#c3cee3;max-width:560px}
.btn{display:inline-block;margin:30px 12px 0 0;padding:13px 28px;border-radius:8px;font-weight:600;text-decoration:none;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.4)}
.btn.ghost{background:transparent;border:1px solid #3b4a68}
.stats{display:flex;gap:48px;margin-top:64px;flex-wrap:wrap}
.stats div b{display:block;font-size:30px}
.stats div span{color:#93a3bf;font-size:14px}
section{padding:80px 0}
h2{font-size:32px;margin-bottom:12px}
.lead{color:var(--muted);max-width:620px;margin-bottom:44px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,30,60,.08)}
.card .ic{width:44px;height:44px;border-radius:11px;background:#e8f0ff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{color:var(--muted);font-size:15px}
.price{font-size:38px;font-weight:700;margin:10px 0}
.price small{font-size:15px;color:var(--muted);font-weight:400}
.card ul{list-style:none;margin:16px 0 22px;color:var(--muted);font-size:15px}
.card ul li{padding:5px 0;border-bottom:1px dashed var(--line)}
.card.hot{border:2px solid var(--brand);position:relative}
.card.hot:before{content:"Popular";position:absolute;top:-13px;right:20px;background:var(--brand);color:#fff;font-size:12px;padding:3px 12px;border-radius:20px}
.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.page-title{background:linear-gradient(160deg,#0b1220,#13213f);color:#fff;padding:70px 0}
.page-title h1{font-size:38px}
.page-title p{color:#b6c2d6}
form{display:grid;gap:14px;max-width:520px}
input,textarea{padding:13px 15px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff}
input:focus,textarea:focus{outline:2px solid var(--brand);border-color:transparent}
button{padding:13px;border:0;border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer}
footer{background:var(--dark);color:#8191ae;padding:44px 0;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer a{margin-left:20px;text-decoration:none}
@media(max-width:640px){.hero h1{font-size:34px}nav a{margin-left:16px;font-size:14px}}