:root{
  --brand:#0ea5e9; /* sky-500 */
  --brand-700:#0369a1;
  --accent:#22c55e; /* green-500 */
  --text:#0f172a;
  --muted:#64748b;
  --bg:#f8fafc;
  --panel:#ffffff;
  --ring:#e5e7eb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial;color:var(--text);background:var(--bg)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--ring)}
.header-inner{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:10px 0}
.brand{display:flex;gap:10px;align-items:center;font-weight:900;font-size:20px;color:#0b1324}
.logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--brand),var(--brand-700));display:inline-flex;align-items:center;justify-content:center;color:#fff}
.nav{display:flex;gap:14px;flex-wrap:wrap}
.nav a{color:#0b1324;padding:8px 12px;border-radius:12px}
.nav a:hover{background:#eff6ff}
.cta{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--ring);background:#fff;color:#0b1324;cursor:pointer}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.success{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent}
.hero{background:radial-gradient(1400px 500px at 70% -50%, #bae6fd 0, transparent 60%), #ffffff}
.hero .inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:40px 0}
.hero h1{font-size:44px;line-height:1.1;margin:0 0 8px}
.hero p{color:var(--muted);margin:0 0 16px}
.kv{height:280px;border-radius:18px;overflow:hidden;border:1px solid var(--ring);background:#e2e8f0}
.kv img{width:100%;height:100%;object-fit:cover}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.badge{font-size:12px;padding:4px 10px;border-radius:999px;background:#ecfeff;color:#155e75;border:1px solid #a5f3fc}
.section{padding:36px 0}
.h2{font-size:24px;font-weight:800;margin:0 0 10px}
.cards{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--ring);border-radius:16px;overflow:hidden}
.card .body{padding:16px}
.plan{display:flex;flex-direction:column;height:100%}
.plan .speed{font-size:40px;font-weight:900}
.plan .price{font-weight:800;font-size:22px}
.plan .features{margin:10px 0 14px;padding-left:18px}
.plan .features li{margin:6px 0}
.grid-2{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--ring);border-radius:12px;overflow:hidden}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--ring)}
.table th{background:#f1f5f9;text-align:left}
.notice{padding:12px;border:1px solid #99f6e4;background:#ecfeff;color:#115e59;border-radius:12px}
.footer{margin-top:40px;border-top:1px solid var(--ring);background:#fff}
.footer .cols{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));padding:28px 0}
.footer small{color:var(--muted)}
.input,.select,textarea{width:100%;padding:10px 12px;border:1px solid var(--ring);border-radius:12px}
.form-grid{display:grid;gap:10px;grid-template-columns:1fr 1fr}
.banner{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center;background:#fff;border:1px dashed var(--ring);border-radius:16px;padding:14px}
.banner h3{margin:0}
@media (max-width:980px){
  .hero .inner{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .cards{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}