/**
 * FUSION Goods & Co. - Responsive Layouts & Mobile Navigation
 */

/* Mobile Bottom Navigation Bar */
.mobile-nav-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-medium);
  z-index: 150;
  padding: 0 1rem;
}

.mobile-nav-items {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
}

.mobile-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mobile-nav-btn .icon {
  font-size: 1.25rem;
}

.mobile-nav-btn.active, .mobile-nav-btn:hover {
  color: var(--accent-primary);
}

/* Tablet & Smaller Desktops */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero-card img {
    height: 340px;
  }

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

  .filter-sidebar {
    position: static;
    margin-bottom: 2rem;
  }

  .value-props-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Mobile Screens */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  body {
    padding-bottom: 70px; /* space for mobile bar */
  }

  .mobile-nav-bar {
    display: block;
  }

  .announcement-bar {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
  }

  .announcement-bar .hide-mobile {
    display: none;
  }

  .header-inner {
    gap: 0.75rem;
  }

  .brand-logo span {
    font-size: 1.3rem;
  }

  .header-search {
    display: none; /* Accessible via mobile quick search trigger */
  }

  .header-search.mobile-active {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-medium);
  }

  .hero-section {
    padding: 1.5rem 0 2rem;
  }

  .hero-card img {
    height: 260px;
  }

  .flash-sale-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.4rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }

  .product-card {
    border-radius: var(--radius-lg);
  }

  .prod-info {
    padding: 0.9rem;
    gap: 0.4rem;
  }

  .prod-title {
    font-size: 0.92rem;
  }

  .current-price {
    font-size: 1.05rem;
  }

  .btn-add-cart {
    padding: 0.45rem 0.65rem;
    font-size: 0.78rem;
  }

  .value-props-grid {
    grid-template-columns: 1fr;
  }

  .qv-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 1.2rem;
  }

  .qv-gallery-main {
    height: 260px;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .drawer-panel {
    max-width: 100%;
  }

  .checkout-modal-card {
    padding: 1.2rem;
  }

  .checkout-steps-bar {
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }

  .step-indicator {
    font-size: 0.75rem;
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 80px;
  }

  .toast {
    min-width: 100%;
  }
}