/* --- Section headers --- */
.section-title {
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}