/* JP Sneakers — Media queries (mobile-first)
   Header/footer responsive desde Fase 2; bottom nav, ajustes finos por
   página y el resto del pulido responsive se sumaron en Fase 8. */

/* --- Tablet --- */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* --- Móvil --- */
@media (max-width: 768px) {
  body {
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
  }

  .bottom-nav {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-header);
    height: var(--bottom-nav-height);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background-color: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--gray-800);
  }

  .header-menu-toggle {
    display: flex;
  }

  .header-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md) var(--container-padding);
    background-color: var(--color-black);
    border-bottom: 1px solid var(--gray-800);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

  .header-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .header-menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .header-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .header-menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .whatsapp-float {
    width: 52px;
    height: 52px;
    right: var(--space-sm);
    bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px) + var(--space-sm));
  }

  .hero-inner {
    flex-direction: column-reverse;
    text-align: center;
    gap: var(--space-lg);
  }

  .hero-title {
    font-size: 4rem;
  }

  .hero-actions {
    justify-content: center;
  }

  .section {
    padding-block: var(--space-xl);
  }

  .producto-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .producto-nombre {
    font-size: 2.4rem;
  }

  .carrito-layout {
    grid-template-columns: 1fr;
  }

  .carrito-resumen {
    position: static;
  }

  .carrito-item {
    grid-template-columns: 64px 1fr;
    grid-template-areas:
      "imagen info"
      "cantidad cantidad"
      "subtotal eliminar";
  }

  .carrito-item-imagen {
    grid-area: imagen;
    width: 64px;
    height: 64px;
  }

  .carrito-item-info {
    grid-area: info;
  }

  .carrito-item-cantidad {
    grid-area: cantidad;
    justify-self: start;
  }

  .carrito-item-subtotal {
    grid-area: subtotal;
  }

  .carrito-item-eliminar {
    grid-area: eliminar;
    justify-self: end;
  }

  .cart-drawer {
    width: 100%;
  }

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