:root {
  --bg: #0b0d10;
  --surface: #12161b;
  --text: #e7ecf3;
  --muted: #9aa8ba;
  --accent: #78a6ff;
  --border: #242c36;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(980px, 92vw); margin: 0 auto; }
.header { display: flex; justify-content: space-between; align-items: center; padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
.header nav { display: flex; gap: 1rem; }
.logo { color: var(--text); font-weight: 700; }
.hero { padding: 4rem 0 2rem; }
.eyebrow { color: var(--muted); margin-bottom: 0.25rem; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; margin: 0 0 1rem; }
.lead { color: var(--muted); max-width: 64ch; }
.hero-actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; }
.btn { display: inline-block; background: var(--accent); color: #0a1220; padding: 0.6rem 1rem; border-radius: 0.6rem; font-weight: 600; }
.btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
.section { padding: 2rem 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 0.85rem; padding: 1rem; }
.footer { padding: 2rem 0; color: var(--muted); }
@media (max-width: 640px) { .header { flex-direction: column; gap: 0.75rem; align-items: flex-start; } }