:root {
  --bg: #faf8ff;
  --card: #ffffff;
  --text: #2a1650;
  --muted: #6f5f96;
  --chem: #0c8599;
  --comp: #8a5cf0;
  --race: #b86e00;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

header, main, footer { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }

header { padding-top: 2.5rem; padding-bottom: 1rem; text-align: center; }
.brand { display: inline-flex; align-items: center; gap: .6rem; margin-bottom: 2rem; font-weight: 700; font-size: 3.25rem; letter-spacing: .01em; }
header h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0 0 .5rem; line-height: 1.15; }
header p { color: var(--muted); font-size: 1.15rem; margin: 0 auto; max-width: 40rem; }

main { flex: 1; padding-top: 2rem; padding-bottom: 3rem; }

.cards {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 2rem 1.5rem;
  background: var(--card);
  border-top: 6px solid var(--accent);
  border-radius: 14px;
  box-shadow: 0 4px 18px rgba(42, 22, 80, .08);
  color: inherit;
  text-decoration: none;
  transition: transform .15s, box-shadow .15s;
}
.card:hover, .card:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(42, 22, 80, .18);
}
.card:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.card .icon { font-size: 3rem; }
.card h2 { margin: 0; font-size: 1.6rem; }
.card p { margin: 0; color: var(--muted); flex: 1; }
.card .go { margin-top: 1rem; color: var(--accent); font-weight: 600; }

.chem { --accent: var(--chem); }
.comp { --accent: var(--comp); }
.race { --accent: var(--race); }

footer { padding-top: 1.5rem; padding-bottom: 1.5rem; text-align: center; color: var(--muted); font-size: .85rem; }
footer a { color: inherit; text-decoration: none; }
footer .quiet:hover { color: var(--text); }