* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  background: radial-gradient(circle at top, #20283a, #0d1117 65%);
  color: #f4f4f5;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: min(900px, 92vw);
  padding: 32px;
}

.hero {
  text-align: center;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  margin: 0 0 12px;
}

.hero p {
  margin: 0;
  color: #a1a1aa;
  font-size: 1.1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  text-align: center;
}

.card {
  text-decoration: none;
  color: inherit;
  padding: 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  transition: transform 0.2s ease, background 0.2s ease, border 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.28);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.card p {
  margin: 0;
  color: #c4c4cc;
  line-height: 1.5;
}

.card.muted {
  opacity: 0.6;
  cursor: default;
}

footer {
  text-align: center;
  margin-top: 32px;
  color: #71717a;
  font-size: 0.9rem;
}