:root { --bg: #0b0f1a; --fg: #e6edf7; --muted: #9aa7b2; --accent: #00d4ff; }
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--bg); color: var(--fg); }
header { display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; border-bottom: 1px solid #121826; position: sticky; top: 0; background: rgba(11,15,26,0.9); backdrop-filter: blur(8px); }
.brand { font-weight: 700; letter-spacing: 0.6px; }
nav a { color: var(--muted); margin-left: 20px; text-decoration: none; }
.hero { padding: 100px 40px; text-align: center; }
.hero h1 { font-size: 48px; margin: 0 0 10px; }
.hero p { color: var(--muted); font-size: 18px; }
.cta { margin-top: 24px; }
.button { display: inline-block; padding: 12px 18px; border-radius: 8px; background: var(--accent); color: #001018; font-weight: 600; text-decoration: none; margin-right: 12px; }
.button.ghost { background: transparent; border: 1px solid var(--accent); color: var(--fg); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 40px; }
.card { padding: 24px; border: 1px solid #121826; border-radius: 12px; background: #0d1324; }
.card h3 { margin-top: 0; }
.tech { padding: 40px; text-align: center; color: var(--muted); }
footer { padding: 40px; text-align: center; border-top: 1px solid #121826; color: var(--muted); }
@media (max-width: 900px) { .grid { grid-template-columns: 1fr; } .hero h1 { font-size: 36px; } }