:root {
  color-scheme: light;
  --text: #102a43;
  --muted: #52667d;
  --accent: #4f46e5;
  --line: #d6e2f7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, Segoe UI, system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 40%, #ecfeff 100%);
}
.container { max-width: 1080px; margin: auto; padding: 1rem; }
.hero { padding: 5rem 0 4rem; }
.hero h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.5rem); }
.hero p { color: var(--muted); max-width: 700px; }
.btn {
  display: inline-block;
  margin-top: .9rem;
  padding: .8rem 1.2rem;
  border-radius: .7rem;
  background: linear-gradient(90deg, #4f46e5, #06b6d4);
  color: #fff;
  text-decoration: none;
}
section { margin: 2rem 0; }
.grid { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { background: rgba(255,255,255,.86); border: 1px solid var(--line); border-radius: .8rem; padding: 1rem; }
.small { color: var(--muted); }