/* ============================================
   Responsive - Breakpoints
   ============================================ */

/* Large laptops / desktops (default: 4 cols) */

/* Small desktop / large tablet */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
  .header__name {
    font-size: var(--font-size-base);
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .catalog-layout {
    grid-template-columns: 220px 1fr;
    gap: var(--space-6);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1rem;
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }

  .header__brand {
    min-width: auto;
  }

  .header__name {
    display: none;
  }

  .header__search {
    max-width: none;
    margin-inline: 0;
  }

  .modal__content {
    grid-template-columns: 1fr;
  }

  .modal__image {
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    min-height: 280px;
  }

  .tools__inner {
    gap: var(--space-3);
  }

  .price-filter__range {
    width: 120px;
  }

  .hero {
    padding-top: calc(var(--header-height) + var(--space-8));
  }

  /* Sidebar becomes a retractable drawer on tablet/mobile */
  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .categories-toggle {
    display: inline-flex;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 300px;
    max-width: 85vw;
    z-index: var(--z-cart);
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--border-color);
    border-top-right-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
    overflow-y: auto;
    transform: translateX(-110%);
    transition: transform var(--transition-slow);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.active {
    transform: translateX(0);
  }

  .sidebar .sidebar__close {
    display: flex;
  }

  .sidebar-overlay {
    display: block;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }

  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .sidebar__nav {
    padding-bottom: var(--space-8);
  }
}

/* Mobile */
@media (max-width: 640px) {
  .header__inner {
    gap: var(--space-2);
  }

  .header__search {
    min-width: 0;
  }

  .search-input {
    padding: var(--space-2) var(--space-3) var(--space-2) var(--space-10);
    font-size: var(--font-size-sm);
  }

  .header__logo {
    width: 36px;
    height: 36px;
  }

  .header__search {
    flex: 1;
  }

  .header__actions .icon-btn {
    width: 36px;
    height: 36px;
  }

  .hero {
    padding-bottom: var(--space-12);
  }

  .hero__title {
    font-size: var(--font-size-2xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-base);
  }

  .tools__inner {
    flex-direction: column;
    align-items: stretch;
  }

  .category-nav {
    width: 100%;
  }

  .tools__controls {
    justify-content: space-between;
    width: 100%;
    flex-wrap: wrap;
    min-width: 0;
    gap: var(--space-3);
  }

  .price-filter {
    justify-content: space-between;
    width: 100%;
    min-width: 0;
  }

  .price-filter__range {
    flex: 1;
    width: auto;
  }

  .price-filter__label {
    min-width: auto;
    font-size: var(--font-size-xs);
  }

  .cart {
    width: 100%;
  }

  .modal {
    width: calc(100% - var(--space-4));
    padding: 0;
  }

  .modal__info {
    padding: var(--space-6);
    padding-bottom: var(--space-8);
  }

  .modal__details {
    grid-template-columns: 1fr 1fr;
  }

  .modal__actions {
    flex-direction: column;
  }

  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 44px;
    height: 44px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .footer__bottom {
    width: 100%;
    flex-direction: column;
    gap: var(--space-4);
  }

  .footer__cta {
    flex-direction: column;
    gap: var(--space-3);
  }

  .footer__developed {
    width: 100%;
    text-align: center;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .products-grid {
    gap: var(--space-3);
  }

  .product-card__body {
    padding: var(--space-3);
  }

  .product-card__footer {
    margin-inline: calc(-1 * var(--space-3));
    margin-bottom: calc(-1 * var(--space-3));
  }

  .product-card__price {
    margin-inline: var(--space-3);
  }

}