/* My boutique - style.css — thème noir & blanc, glassmorphism */

:root {
  --black: #0a0a0a;
  --dark: #151515;
  --white: #ffffff;
  --gray: #888888;
  --light: #f5f5f5;
  --border: #e5e5e5;
  --glass: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  --transition: 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- Header / Nav transparente ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--white);
  transition: color 0.4s ease;
}
.site-header.scrolled .logo { color: var(--black); }
.logo span { font-weight: 300; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--white);
  transition: color 0.4s ease, opacity 0.3s ease;
  letter-spacing: 0.3px;
}
.site-header.scrolled .nav-links a { color: var(--black); }
.nav-links a:hover { opacity: 0.7; }

.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-actions a { color: var(--white); transition: color 0.4s ease; }
.site-header.scrolled .nav-actions a { color: var(--black); }

.icon-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.site-header.scrolled .icon-btn {
  background: rgba(0, 0, 0, 0.05);
  border-color: transparent;
}
.icon-btn:hover { transform: translateY(-2px); }

.cart-badge {
  position: absolute;
  top: -4px; right: -4px;
  min-width: 18px; height: 18px;
  background: #ff3b30;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  transition: 0.4s ease;
}
.site-header.scrolled .hamburger span { background: var(--black); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  background: var(--black);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.05);
  animation: heroZoom 18s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.18); } }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.7) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 0 20px;
  max-width: 800px;
}
.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800;
  letter-spacing: -2px;
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.hero .description {
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 36px;
  color: rgba(255, 255, 255, 0.9);
}
.btn {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: var(--transition);
  border: none;
}
.btn-light {
  background: var(--white);
  color: var(--black);
}
.btn-light:hover { transform: translateY(-3px); box-shadow: 0 15px 35px rgba(0,0,0,0.25); }
.btn-dark {
  background: var(--black);
  color: var(--white);
}
.btn-dark:hover { transform: translateY(-3px); box-shadow: 0 15px 35px rgba(0,0,0,0.2); }
.btn-filled {
  background: var(--black);
  color: var(--white);
}
.btn-filled:hover { background: #333; transform: translateY(-2px); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 8px;
}
.section-title::after {
  content: '';
  display: block;
  width: 50px; height: 3px;
  background: var(--black);
  margin: 16px auto 0;
}
.section-sub {
  text-align: center;
  color: var(--gray);
  margin-bottom: 50px;
  font-size: 0.95rem;
}

/* ---------- Cartes produits ---------- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
}
.product-card:hover {
  transform: translateY(-8px) rotateX(2deg) rotateY(2deg);
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.18);
}
.product-card .img-wrap {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.product-card .img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .img-wrap img { transform: scale(1.08); }
.badge-promo {
  position: absolute;
  top: 12px; left: 12px;
  background: #ff3b30;
  color: #fff;
  padding: 5px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1px;
  z-index: 2;
}
.product-card .info {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}
.product-card .cat {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--gray);
}
.product-card h3 {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.3;
}
.product-card .price {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 2px;
}
.product-card .price .old {
  font-size: 0.85rem;
  color: var(--gray);
  text-decoration: line-through;
  margin-left: 6px;
  font-weight: 400;
}
.product-card .btns { margin-top: auto; padding-top: 10px; }
.product-card .btn-filled {
  width: 100%;
  padding: 11px;
  font-size: 0.8rem;
  text-align: center;
  border-radius: 8px;
}

/* ---------- Carrousel vedettes ---------- */
.carousel-wrap {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.carousel-viewport { overflow: hidden; }
.carousel-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s ease;
}
.carousel-track .product-card {
  flex: 0 0 calc(33.333% - 14px);
}
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: var(--transition);
}
.carousel-arrow:hover { background: var(--black); color: var(--white); }
.carousel-arrow.prev { left: -6px; }
.carousel-arrow.next { right: -6px; }

/* ---------- Collections ---------- */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.collection-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  cursor: pointer;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.collection-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}
.collection-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.collection-card:hover img { transform: scale(1.1); }
.collection-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(0,0,0,0.8) 100%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.collection-card h3 {
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---------- Réassurance ---------- */
.reassurance {
  background: var(--light);
  padding: 70px 5%;
}
.reassurance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.reassurance-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s ease;
}
.reassurance-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}
.reassurance-item svg {
  color: var(--black);
  margin-bottom: 16px;
}
.reassurance-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.reassurance-item p {
  font-size: 0.82rem;
  color: var(--gray);
}

/* ---------- Glassmorphism ---------- */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ---------- Fiche produit ---------- */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  padding-top: 120px;
  max-width: 1200px;
  margin: 0 auto;
}
.gallery-main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  cursor: zoom-in;
}
.gallery-main img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.gallery-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px; height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: var(--transition);
}
.gallery-arrow:hover { background: var(--white); }
.gallery-arrow.prev { left: 14px; }
.gallery-arrow.next { right: 14px; }
.thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.thumbnails img {
  width: 80px; height: 80px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.thumbnails img.active { border-color: var(--black); }

.product-info h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-info .cat {
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gray);
  font-size: 0.8rem;
}
.product-info .price {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 16px 0;
}
.product-info .price .old {
  font-size: 1.1rem;
  color: var(--gray);
  text-decoration: line-through;
  margin-left: 10px;
  font-weight: 400;
}
.product-info .description {
  color: #444;
  margin-bottom: 24px;
}
.size-label {
  font-weight: 600;
  margin-bottom: 10px;
}
.size-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}
.size-btn {
  min-width: 48px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}
.size-btn:hover { border-color: var(--black); }
.size-btn.selected {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.size-btn.sold-out {
  background: #f0f0f0;
  color: #bbb;
  cursor: not-allowed;
  text-decoration: line-through;
}
.stock-hint {
  font-size: 0.85rem;
  color: #2e7d32;
  margin-bottom: 16px;
  min-height: 20px;
}
.qty-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.qty-btn {
  width: 42px; height: 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  font-size: 1.2rem;
}
.qty-input {
  width: 60px; height: 42px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
.add-to-cart {
  width: 100%;
  padding: 16px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition);
}
.add-to-cart:hover { background: #333; transform: translateY(-2px); }

.product-reassurance {
  margin-top: 24px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--light);
}
.product-reassurance .row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.88rem;
}
.product-reassurance svg { flex-shrink: 0; color: var(--black); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s;
}
.lightbox.active { opacity: 1; }
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}
.lightbox-close {
  position: absolute;
  top: 20px; right: 30px;
  color: #fff;
  font-size: 40px;
  cursor: pointer;
}

/* ---------- Panier ---------- */
.page-header {
  padding-top: 120px;
  text-align: center;
  padding-bottom: 40px;
}
.page-header h1 { font-size: 2.2rem; font-weight: 700; }
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 30px;
  align-items: start;
}
.cart-item {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
}
.cart-item img {
  width: 90px; height: 90px;
  object-fit: cover;
  border-radius: 8px;
}
.cart-item .name { font-weight: 600; }
.cart-item .meta { font-size: 0.85rem; color: var(--gray); }
.cart-qty { display: flex; align-items: center; gap: 8px; }
.cart-qty button {
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 6px;
}
.cart-summary {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  position: sticky;
  top: 100px;
}
.cart-summary h3 { margin-bottom: 20px; }
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.9rem;
  color: #555;
}
.summary-row.total {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--black);
  border-top: 1px solid var(--border);
  margin-top: 10px;
  padding-top: 16px;
}
.checkout-btn {
  width: 100%;
  padding: 16px;
  background: var(--black);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 16px;
  transition: var(--transition);
}
.checkout-btn:hover { background: #333; }

/* ---------- Formulaires ---------- */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--black);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ---------- Auth ---------- */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 40px;
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.auth-tab {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray);
  border-bottom: 2px solid transparent;
}
.auth-tab.active {
  color: var(--black);
  border-bottom-color: var(--black);
}

/* ---------- Compte ---------- */
.account-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}
.account-tab {
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: 50px;
  background: var(--white);
  font-weight: 600;
  font-size: 0.85rem;
}
.account-tab.active { background: var(--black); color: var(--white); }
.order-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}
.order-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.order-id { font-weight: 700; }
.status-badge {
  padding: 5px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-en_attente { background: #fff3cd; color: #856404; }
.status-payee { background: #d1ecf1; color: #0c5460; }
.status-expediee { background: #cce5ff; color: #004085; }
.status-livree { background: #d4edda; color: #155724; }
.status-annulee { background: #f8d7da; color: #721c24; }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}
.contact-info-item svg { color: var(--black); flex-shrink: 0; }
.map-wrap {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.map-wrap iframe { width: 100%; height: 320px; border: 0; display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 30px;
  margin-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.site-footer a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 10px;
  font-size: 0.88rem;
  transition: color 0.3s;
}
.site-footer a:hover { color: var(--white); }
.site-footer .logo { color: var(--white); margin-bottom: 14px; display: inline-block; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--black);
  color: var(--white);
  padding: 14px 26px;
  border-radius: 50px;
  font-size: 0.9rem;
  z-index: 10000;
  transition: transform 0.4s ease;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: #c62828; }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
@keyframes revealFallback {
  to { opacity: 1; transform: translateY(0); }
}
.reveal { animation: revealFallback 0.8s ease 0.3s forwards; }

/* ---------- Cookies banner ---------- */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--dark);
  color: var(--white);
  padding: 18px 24px;
  display: none;
  z-index: 9000;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner .cookie-btns { display: flex; gap: 10px; }
.cookie-banner button {
  padding: 10px 22px;
  border-radius: 50px;
  border: none;
  font-weight: 600;
  font-size: 0.82rem;
}
.cookie-accept { background: var(--white); color: var(--black); }
.cookie-refuse { background: transparent; color: var(--white); border: 1px solid rgba(255,255,255,0.4) !important; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .cart-layout { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: 30px; padding-top: 100px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 78%;
    height: 100vh;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right 0.4s ease;
    z-index: 1001;
  }
  .nav-links.open { right: 0; }
  .nav-links a { color: var(--white); font-size: 1.1rem; }
  .site-header.scrolled .nav-links a { color: var(--white); }
  .hamburger { display: flex; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .carousel-track .product-card { flex: 0 0 45vw; }
  .carousel-arrow { display: none; }
  .carousel-viewport {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
  }
  .carousel-track {
    transform: none !important;
    scroll-snap-align: start;
  }
  .collections-grid { grid-template-columns: 1fr; }
  .reassurance-grid { grid-template-columns: 1fr 1fr; gap: 14px; padding: 40px 5%; }
  .reassurance { padding: 40px 5%; }
  .thumbnails { display: none; }
  .gallery-arrow { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .section { padding: 60px 0; }
  .section-title { letter-spacing: 2px; }
  .cart-item { grid-template-columns: 70px 1fr; }
  .cart-item img { width: 70px; height: 70px; }
  .cart-qty { grid-column: 1 / -1; justify-content: center; }
}