:root {
  color-scheme: light dark;
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #60a5fa;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #1d4ed8 0%, var(--bg) 45%);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 24px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.cards {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}

.card {
  display: block;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-soft) 88%, black);
  color: inherit;
  text-decoration: none;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.card h2 {
  margin: 0 0 8px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}