:root {
    --bg: #0f172a;
    --panel: #111827;
    --soft: #f8fafc;
    --text: #dbe4f0;
    --muted: #94a3b8;
    --primary: #2563eb;
    --border: rgba(255,255,255,.10);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #020617;
    color: var(--text);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
    border-bottom: 1px solid var(--border);
    background: rgba(2,6,23,.92);
    position: sticky;
    top: 0;
    backdrop-filter: blur(8px);
}
.topbar .container, .footer-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 0;
}
.brand { font-size: 22px; font-weight: 700; color: #fff; }
.nav { display: flex; gap: 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); }
.nav a:hover { color: #fff; }
.hero { padding: 84px 0 56px; }
.hero-grid {
    display: grid;
    grid-template-columns: 1.3fr .9fr;
    gap: 28px;
    align-items: center;
}
.badge {
    display: inline-block;
    border: 1px solid rgba(37,99,235,.45);
    color: #bfdbfe;
    background: rgba(37,99,235,.12);
    border-radius: 999px;
    padding: 8px 14px;
    font-size: 13px;
    margin-bottom: 12px;
}
h1 { font-size: 54px; line-height: 1.05; margin: 0 0 12px; color: #fff; }
h2 { color: #fff; margin-top: 0; }
.lead { color: var(--muted); font-size: 20px; max-width: 700px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 10px;
    font-weight: 700;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { border: 1px solid var(--border); color: #fff; }
.panel, .card {
    background: rgba(15,23,42,.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}
.section { padding: 52px 0; }
.alt { background: rgba(255,255,255,.03); }
.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}
.card h3 { margin-top: 0; color: #fff; }
.card p, .panel li, .section p { color: var(--muted); }
.footer {
    border-top: 1px solid var(--border);
    margin-top: 30px;
}
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); }
.prose {
    background: rgba(15,23,42,.92);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
}
@media (max-width: 900px) {
    .hero-grid, .cards { grid-template-columns: 1fr; }
    h1 { font-size: 40px; }
}