* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: #1f2933;
  line-height: 1.6;
}
.hero { background: #102a43; color: #fff; text-align: center; padding: 72px 24px; }
.hero h1 { margin: 0 0 8px; font-size: 2.4rem; }
.hero p { margin: 0; color: #bcccdc; font-size: 1.1rem; }
main { max-width: 900px; margin: 0 auto; padding: 24px; }
section { margin: 40px 0; }
.cards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.card { border: 1px solid #d9e2ec; border-radius: 8px; padding: 16px; }
.card h3 { margin-top: 0; }
footer { text-align: center; padding: 32px; color: #9aa5b1; font-size: 0.85rem; }