.page-header {
  padding: 2rem 0;
  background: var(--light);
  text-align: center;
}

.filter-section {
  padding: 1.5rem 0;
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.filter-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  align-items: end;
}

@media (max-width: 768px) {
  .filter-controls {
    grid-template-columns: 1fr;
  }
  
  .inventory-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .vehicle-grid {
    grid-template-columns: 1fr;
  }
}