/* Tablet */
@media (max-width: 992px) {
  .hero h1 { font-size: 2.8rem; }
  .section-title h2 { font-size: 2rem; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(15px);
    flex-direction: column;
    padding: 20px;
    gap: 15px;
    display: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  }

  .nav-links.active { display: flex; }

  .hero { padding: 60px 0 80px; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }

  .section { padding: 50px 0; }
  .section-title h2 { font-size: 1.8rem; }

  .card-grid { grid-template-columns: 1fr; gap: 20px; }

  .timeline::after { left: 31px; }
  .timeline-item { width: 100%; padding-left: 70px; padding-right: 20px; }
  .timeline-item.left, .timeline-item.right { left: 0; text-align: left; }
  .timeline-item.left::after, .timeline-item.right::after { left: 22px; right: auto; }

  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }

  .filter-container { gap: 8px; }
  .filter-btn { padding: 8px 16px; font-size: 0.85rem; }

  .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; }
}

/* Small Mobile */
@media (max-width: 480px) {
  .hero h1 { font-size: 1.6rem; }
  .container { padding: 0 15px; }
  .btn { padding: 10px 20px; font-size: 0.85rem; }
}