.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  padding: 20px 0;
}

.hub-card {
  display: block;
  padding: 20px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  text-decoration: none;
  color: inherit;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.hub-card h2 {
  margin-top: 0;
}

.hub-card p {
  color: #666;
  margin-bottom: 0;
}