.hub {
  max-width: 1000px;
  margin: 140px auto 80px;
  padding: 0 20px;
  text-align: center;
}

.hub h1 {
  font-size: 2.4rem;
  margin-bottom: 0.8rem;
}

.hub > p {
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-size: 1rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.hub-card {
  display: block;
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform .25s ease, box-shadow .25s ease, border .25s ease;
  text-align: left;
}

.hub-card h2 {
  margin-bottom: 0.6rem;
  font-size: 1.3rem;
}

.hub-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.hub-card:hover {
  transform: translateY(-6px);
  border: 1px solid var(--accent);
  box-shadow:
        0 5px 20px rgba(124, 92, 255, 0.25),
        0 0 10px rgba(95, 156, 255, 0.15);
}