* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0b0b0d;
  color: #eaeaea;
}

main {
  max-width: 900px;
  padding: 3rem 1.5rem;
  margin: 0 auto;
}

header {
  margin-bottom: 2.5rem;
}

h1 {
  font-size: 2.4rem;
  margin: 0;
}

.subtitle {
  margin-top: 0.5rem;
  color: #9a9a9a;
  max-width: 600px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}

.card {
  display: block;
  padding: 1.25rem;
  border-radius: 12px;
  background: #151518;
  border: 1px solid #222;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: #444;
}

.card h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  color: #aaa;
}

.tag {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: #7dd3fc;
}