:root {
    --bg: #0f172a;
    --panel: #111827;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --accent: #22c55e;
    --accent2: #38bdf8;
    --danger: #ef4444;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: linear-gradient(180deg, #020617, #111827); color: var(--text); }
a { color: inherit; text-decoration: none; }
code { background: rgba(255,255,255,.08); padding: 2px 6px; border-radius: 6px; }
.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(2,6,23,.92); border-bottom: 1px solid rgba(255,255,255,.08); backdrop-filter: blur(10px); }
.nav { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 0; }
.nav nav { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.brand { font-size: 20px; font-weight: 700; }
.main-content { padding: 34px 0 60px; }
.hero { display: grid; grid-template-columns: 1.3fr .7fr; gap: 24px; align-items: center; }
.card, .hero-card { background: rgba(17,24,39,.92); border: 1px solid rgba(255,255,255,.08); border-radius: 22px; padding: 26px; box-shadow: 0 10px 30px rgba(0,0,0,.22); }
h1,h2,h3 { margin-top: 0; }
h1 { font-size: 44px; line-height: 1.05; }
.lead { font-size: 18px; line-height: 1.6; color: var(--muted); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.badge { display: inline-block; margin-bottom: 14px; padding: 7px 10px; border-radius: 999px; background: rgba(56,189,248,.12); color: #7dd3fc; font-size: 13px; }
.price { font-size: 32px; font-weight: 700; margin: 10px 0 16px; }
.btn { display: inline-block; padding: 12px 18px; border-radius: 12px; border: none; cursor: pointer; color: #fff; font-weight: 700; background: linear-gradient(90deg, var(--accent), var(--accent2)); }
.btn-outline { background: transparent; border: 1px solid rgba(255,255,255,.18); }
.btn-small { padding: 9px 14px; border-radius: 10px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.feature-list { padding-left: 18px; line-height: 1.7; color: var(--muted); }
.form-group { margin-bottom: 16px; }
label { display: block; margin-bottom: 8px; font-weight: 700; }
input, select, textarea { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(255,255,255,.12); background: #0b1220; color: var(--text); }
.alert { padding: 14px 16px; border-radius: 14px; margin-bottom: 18px; }
.alert.success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); }
.alert.error { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px; border-bottom: 1px solid rgba(255,255,255,.08); text-align: left; vertical-align: top; }
.small { color: var(--muted); font-size: 14px; }
.site-footer { border-top: 1px solid rgba(255,255,255,.08); padding: 26px 0 40px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; color: var(--muted); }
.notice { font-size: 14px; color: #fcd34d; }
@media (max-width: 900px) { .hero, .grid-2, .grid-3 { grid-template-columns: 1fr; } h1 { font-size: 34px; } }