/* ================================================
   responsive.css — Mobile-first Responsive Styles
   Breakpoints: 480px | 768px | 1024px | 1280px
   ================================================ */

/* ── 1024px and below (tablet) ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trending-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-values-grid { grid-template-columns: repeat(2, 1fr); }
  .certifications-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail-layout { gap: var(--space-6); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .cart-layout { grid-template-columns: 1fr 320px; }
  .checkout-layout { grid-template-columns: 1fr 320px; }
  .contact-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .blog-full-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── 768px and below (mobile) ── */
@media (max-width: 768px) {
  /* Navbar */
  .navbar-utility { display: none; }
  .navbar-categories { display: none; }
  .hamburger-btn { display: flex; }
  .navbar-search { display: none; }
  .nav-action-btn .label { display: none; }
  .navbar-main .container { padding: var(--space-3) var(--space-4); }
  .bottom-tab-bar { display: block; }
  body { padding-bottom: 60px; }

  /* Hero */
  .slide { min-height: 280px; }
  .slide-content { padding: var(--space-6) var(--space-4); max-width: 100%; }
  .slide h1 { font-size: var(--text-2xl); }
  .slide p { font-size: var(--text-base); display: none; }
  .slide-image { display: none; }

  /* Categories */
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  /* Sections */
  .section { padding: var(--space-8) 0; }
  .container { padding: 0 var(--space-4); }
  h2 { font-size: var(--text-2xl); }
  .section-header { flex-direction: column; align-items: flex-start; gap: var(--space-2); }

  /* Trending */
  .trending-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  /* Trust section */
  .trust-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .why-sunfara { padding: var(--space-6); }

  /* Blog */
  .blog-grid { grid-template-columns: 1fr; }
  .blog-full-grid { grid-template-columns: 1fr; }

  /* Ingredient banner */
  .ingredient-banner { padding: var(--space-8) var(--space-4); }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }
  .footer-newsletter .container { flex-direction: column; }
  .newsletter-form { min-width: auto; width: 100%; }
  .footer-bottom .container { flex-direction: column; gap: var(--space-3); text-align: center; }

  /* Product list */
  .product-list-layout { flex-direction: column; }
  .filter-sidebar { display: none; }
  .mobile-filter-btn { display: flex; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

  /* Product detail */
  .product-detail-layout { grid-template-columns: 1fr; }
  .product-gallery { position: static; }
  .sticky-atc { display: flex; }
  .product-name { font-size: var(--text-2xl); }

  /* Cart */
  .cart-layout { grid-template-columns: 1fr; }
  .order-summary { position: static; }
  .cart-item-img { width: 70px; height: 70px; }

  /* Checkout */
  .checkout-layout { grid-template-columns: 1fr; }
  .checkout-summary { position: static; order: -1; }
  .payment-row { grid-template-columns: 1fr; }

  /* Auth */
  .auth-card { padding: var(--space-6); }

  /* Profile */
  .profile-layout { grid-template-columns: 1fr; }
  .profile-sidebar { position: static; }
  .profile-form { grid-template-columns: 1fr; }

  /* Orders */
  .order-card-footer { flex-wrap: wrap; }

  /* Wishlist */
  .wishlist-grid { grid-template-columns: repeat(2, 1fr); }

  /* About */
  .brand-values-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }
  .timeline-item { flex-direction: column !important; }
  .timeline-dot { display: none; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  /* Certifications */
  .certifications-grid { grid-template-columns: 1fr; }
  .never-use-grid { grid-template-columns: repeat(2, 1fr); }

  /* Drawer */
  .drawer { width: 100%; max-width: 380px; }

  /* Back to top - above bottom tabs */
  #back-to-top { bottom: 80px; }

  /* Deals */
  .deals-header { flex-direction: column; gap: var(--space-4); }
}

/* ── 480px and below (small mobile) ── */
@media (max-width: 480px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
  .trending-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
  .trust-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .brand-values-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .wishlist-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-2); }
  .product-card-body { padding: var(--space-3); }
  h1 { font-size: var(--text-3xl); }
  .checkout-main { padding: var(--space-4); }
  .input-row { grid-template-columns: 1fr; }
  .address-type-options { flex-direction: column; }
  .atc-row { flex-wrap: wrap; }
  .step-label { display: none; }
  .reviews-summary { flex-direction: column; }
  .never-use-grid { grid-template-columns: 1fr; }
  .faq-categories { gap: var(--space-2); }
  .certifications-grid { grid-template-columns: 1fr; }
}

/* ── Ensure min touch target sizes ── */
button, a, .clickable { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; }
.badge, .chip { min-height: auto; min-width: auto; }
.product-card-brand, .product-card-name { min-height: auto; }