/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --black: #080808;
  --white: #ffffff;
  --gray-50: #f7f7f7;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-400: #9a9a9a;
  --gray-500: #6a6a6a;
  --gray-800: #1a1a1a;
  --accent: #080808;
  --green: #16a34a;
  --orange: #ea580c;
  --red: #dc2626;
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 1px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font-body); border: none; background: none; }
input, textarea, select { font-family: var(--font-body); }
main { flex: 1; }

/* ============================================================
   CUSTOM SCROLLBAR
   ============================================================ */

/* Hide on touch/mobile */
@media (hover: none) and (pointer: coarse) {
    html {
        scrollbar-width: none;
    }
    html::-webkit-scrollbar {
        display: none;
    }
}

/* Styled scrollbar for desktop */
@media (hover: hover) and (pointer: fine) {
    html::-webkit-scrollbar {
        width: 6px;
    }

    html::-webkit-scrollbar-track {
        background: #f0f0f0;
    }

    html::-webkit-scrollbar-thumb {
        background: #9a9a9a;
        border-radius: 0;
    }

    html::-webkit-scrollbar-thumb:hover {
        background: #080808;
    }
}

/* ── Offer Banner ── */
#offer-banner {
  background: var(--black);
  color: var(--white);
  font-size: 11px;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 9px 16px;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 50;
  text-transform: uppercase;
}
#offer-banner.visible { display: flex; }
#offer-banner .countdown {
  font-family: monospace;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: #d4d4d4;
}

/* ── Navbar ── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  height: 60px;
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 24px rgba(0,0,0,0.06); }
.navbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--black);
  text-transform: uppercase;
}
.navbar-right {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 400;
}
.navbar-right a, .navbar-right button {
  padding: 8px 16px;
  transition: color var(--transition);
  font-size: 13px;
  color: var(--gray-500);
  letter-spacing: 0.01em;
  position: relative;
}
.navbar-right a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 1px;
  background: var(--black);
  transform: scaleX(0);
  transition: transform var(--transition);
  transform-origin: left;
}
.navbar-right a:hover { color: var(--black); }
.navbar-right a:hover::after { transform: scaleX(1); }
.navbar-right button:hover { color: var(--black); }
.navbar-divider { color: var(--gray-200); user-select: none; }
.cart-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  background: var(--black);
  color: var(--white);
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  margin-left: 4px;
  vertical-align: middle;
  font-family: var(--font-body);
}
.nav-user-name {
  color: var(--gray-400);
  font-size: 12px;
  padding: 8px 12px;
  letter-spacing: 0.02em;
}

/* ── Container ── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
}

/* ── Hero Banner ── */
.site-banner {
  width: 100%;
  line-height: 0;
  margin-bottom: 0;
}

.site-banner img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}
.site-banner.loaded img { transform: scale(1); }

/* ── Categories filter ── */
.product-category-label {
  font-size: 12px;
  color: var(--gray-400);
  font-family: 'Inter', sans-serif;
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Products Header Row ── */
.products-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: 32px;
}
.products-header {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.sort-control select {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 12px;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
  letter-spacing: 0.02em;
  appearance: none;
  padding-right: 28px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='none'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23666' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.sort-control select:focus { border-color: var(--black); }

/* ── Search Bar ── */
.search-bar {
  margin-bottom: 24px;
}
.search-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--black);
  outline: none;
  transition: border-color var(--transition);
  background: var(--white);
  letter-spacing: 0.01em;
}
.search-input:focus {
  border-color: var(--black);
}

/* ── Product Grid ── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  padding-bottom: 80px;
}

/* ── Product Card ── */
.product-card {
  display: block;
  cursor: pointer;
  padding: 0;
  position: relative;
  background: var(--white);
}
.product-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  background: var(--gray-50);
  overflow: hidden;
}
.product-card-img img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.product-card-img .img-primary { opacity: 1; z-index: 1; }
.product-card-img .img-secondary { opacity: 0; z-index: 2; }
.product-card:hover .img-secondary { opacity: 1; }
.product-card:hover .img-primary { opacity: 0; }
.product-card:hover .img-secondary { transform: scale(1.04); }

.product-card-info {
  padding: 14px 4px 20px;
}
.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--black);
  color: var(--white);
  font-size: 9px;
  font-weight: 700;
  padding: 4px 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 3;
  font-family: var(--font-display);
}
.sold-out-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  z-index: 3;
  font-family: var(--font-display);
}
.product-card-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}
.product-card-price {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--gray-500);
  font-weight: 400;
}
.price-original {
  font-size: 12px;
  color: var(--gray-400);
  text-decoration: line-through;
}

/* ── Product Page ── */
.product-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 56px 32px 100px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.gallery-main {
  width: 100%;
  aspect-ratio: 1;
  background: var(--gray-50);
  overflow: hidden;
  margin-bottom: 8px;
  position: relative;
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.25s ease;
}
.gallery-main img.switching { opacity: 0; }
.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.gallery-thumb {
  aspect-ratio: 1;
  background: var(--gray-50);
  overflow: hidden;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition);
}
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--black); }
.gallery-thumb:hover:not(.active) { border-color: var(--gray-300); }

.product-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-top: 4px;
}
.product-info h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.product-price {
  font-size: 22px;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 300;
  letter-spacing: -0.01em;
}
.product-divider { border: none; border-top: 1px solid var(--gray-100); }

.size-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  margin-bottom: 12px;
  font-weight: 600;
}
.size-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.size-btn {
  min-width: 50px;
  height: 50px;
  padding: 0 12px;
  border: 1px solid var(--gray-200);
  background: var(--white);
  font-size: 13px;
  font-weight: 500;
  color: var(--black);
  transition: all var(--transition);
  border-radius: var(--radius);
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}
.size-btn:hover:not(.disabled) {
  border-color: var(--black);
  background: var(--gray-50);
}
.size-btn.selected {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.size-btn.selected:hover:not(.disabled) {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}
.size-btn.disabled {
  border-color: var(--gray-100);
  color: var(--gray-200);
  cursor: not-allowed;
  text-decoration: line-through;
  background: var(--gray-50);
}
.stock-warning {
  font-size: 12px;
  color: var(--orange);
  font-weight: 500;
  letter-spacing: 0.02em;
}
.stock-error { font-size: 12px; color: var(--red); }
.size-hint { font-size: 12px; color: var(--gray-400); }

.qty-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.qty-btn {
  width: 44px;
  height: 52px;
  font-size: 20px;
  color: var(--black);
  background: var(--white);
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 300;
}
.qty-btn:hover { background: var(--gray-50); }
.qty-value {
  width: 48px;
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  border-left: 1px solid var(--gray-200);
  border-right: 1px solid var(--gray-200);
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
}

.add-to-cart-btn {
  flex: 1;
  padding: 0 24px;
  height: 52px;
  background: var(--black);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: all var(--transition);
  font-family: var(--font-display);
  position: relative;
  overflow: hidden;
}
.add-to-cart-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.add-to-cart-btn:hover:not(:disabled)::before { transform: translateX(0); }
.add-to-cart-btn:hover:not(:disabled) { background: var(--gray-800); }
.add-to-cart-btn:disabled { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; }
.add-to-cart-btn.success { background: var(--green); color: var(--white); }
.add-to-cart-btn:active:not(:disabled) { transform: scale(0.99); }

/* ── Cart ── */
.cart-page { max-width: 1000px; margin: 0 auto; padding: 48px 32px 100px; }
.cart-page h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.03em;
}
.cart-layout { display: flex; gap: 48px; align-items: flex-start; }
.cart-items { flex: 1; display: flex; flex-direction: column; }
.cart-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-100);
  animation: fadeUp 0.3s ease;
}
.cart-item-img {
  width: 88px;
  height: 88px;
  background: var(--gray-50);
  flex-shrink: 0;
  overflow: hidden;
}
.cart-item-img img { width: 100%; height: 100%; object-fit: cover; }
.cart-item-info { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.cart-item-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.cart-item-size { font-size: 12px; color: var(--gray-400); margin-top: 3px; letter-spacing: 0.02em; }
.cart-item-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.cart-item-price { font-size: 14px; font-weight: 500; min-width: 80px; text-align: right; }
.remove-btn {
  font-size: 11px;
  color: var(--gray-400);
  transition: color var(--transition);
  background: none;
  border: none;
  cursor: pointer;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-family: var(--font-display);
  font-weight: 600;
}
.remove-btn:hover { color: var(--red); }
.cart-actions { padding: 16px 0; }
.clear-cart-btn {
  font-size: 11px;
  color: var(--gray-400);
  transition: color var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-display);
  font-weight: 600;
}
.clear-cart-btn:hover { color: var(--red); }

.cart-qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.cart-qty-btn {
  width: 30px;
  height: 30px;
  font-size: 16px;
  background: var(--white);
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 300;
  color: var(--black);
}
.cart-qty-btn:hover { background: var(--gray-50); }
.cart-qty-value {
  width: 34px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  border-left: 1px solid var(--gray-200);
  border-right: 1px solid var(--gray-200);
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
}

.order-summary {
  width: 300px;
  flex-shrink: 0;
  border: 1px solid var(--gray-100);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 80px;
  background: var(--white);
}
.order-summary-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.offer-applied {
  background: #f0fdf4;
  color: var(--green);
  font-size: 11px;
  padding: 8px 12px;
  letter-spacing: 0.03em;
  font-weight: 500;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--gray-500);
  letter-spacing: 0.01em;
}
.summary-divider { border: none; border-top: 1px solid var(--gray-100); }
.summary-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.checkout-btn {
  display: block;
  width: 100%;
  padding: 15px;
  background: var(--black);
  color: var(--white);
  text-align: center;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-top: 4px;
  transition: background var(--transition);
  position: relative;
  overflow: hidden;
}
.checkout-btn:hover { background: var(--gray-800); }
.continue-link {
  text-align: center;
  font-size: 12px;
  color: var(--gray-400);
  display: block;
  transition: color var(--transition);
  letter-spacing: 0.02em;
}
.continue-link:hover { color: var(--black); }
.cod-note { text-align: center; font-size: 11px; color: var(--gray-400); letter-spacing: 0.03em; }
.empty-cart { text-align: center; padding: 100px 0; }
.empty-cart p {
  color: var(--gray-400);
  font-size: 14px;
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}

/* ── Checkout ── */
.checkout-page { max-width: 1000px; margin: 0 auto; padding: 48px 32px 100px; }
.checkout-page h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 40px;
  letter-spacing: -0.03em;
}
.checkout-layout { display: flex; gap: 48px; align-items: flex-start; }
.checkout-form { flex: 1; display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-500);
  font-weight: 600;
}
.form-input, .form-textarea {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 13px 16px;
  font-size: 14px;
  color: var(--black);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  background: var(--white);
  letter-spacing: 0.01em;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
}
.form-textarea { resize: none; }
.form-error {
  font-size: 12px;
  color: var(--red);
  background: #fef2f2;
  padding: 10px 14px;
  display: none;
  letter-spacing: 0.02em;
}
.form-error.visible { display: block; }
.submit-btn {
  width: 100%;
  padding: 16px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.submit-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  transform: translateX(-100%);
  transition: transform 0.4s ease;
}
.submit-btn:hover:not(:disabled)::before { transform: translateX(0); }
.submit-btn:hover:not(:disabled) { background: var(--gray-800); }
.submit-btn:disabled { background: var(--gray-100); color: var(--gray-400); cursor: not-allowed; }
.form-note { font-size: 11px; color: var(--gray-400); text-align: center; letter-spacing: 0.03em; }

.summary-sidebar {
  width: 300px;
  flex-shrink: 0;
  border: 1px solid var(--gray-100);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 80px;
  background: var(--white);
}

/* ── Order Confirmed ── */
.confirmed-page {
  max-width: 480px;
  margin: 0 auto;
  padding: 100px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}
.confirmed-icon {
  width: 72px;
  height: 72px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: popIn 0.5s cubic-bezier(0.34,1.56,0.64,1);
}
.confirmed-icon svg { width: 32px; height: 32px; }
.confirmed-page h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.confirmed-page p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.75;
  max-width: 360px;
}
.order-id-box {
  border: 1px solid var(--gray-100);
  padding: 20px 32px;
  width: 100%;
  background: var(--gray-50);
}
.order-id-label {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--gray-400);
  margin-bottom: 6px;
  font-weight: 600;
}
.order-id-value {
  font-size: 28px;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  letter-spacing: 0.05em;
}
.confirmed-home-btn {
  display: inline-block;
  padding: 15px 40px;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: background var(--transition);
}
.confirmed-home-btn:hover { background: var(--gray-800); }

/* ── Auth Pages ── */
.auth-page {
  min-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}
.auth-box { width: 100%; max-width: 400px; }
.auth-box h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}
.auth-subtitle {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 36px;
  letter-spacing: 0.01em;
}
.auth-subtitle a {
  color: var(--black);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.auth-form { display: flex; flex-direction: column; gap: 18px; }
.auth-success {
  background: #f0fdf4;
  color: var(--green);
  font-size: 12px;
  padding: 10px 14px;
  margin-bottom: 20px;
  display: none;
  letter-spacing: 0.02em;
}
.auth-success.visible { display: block; }

/* ── Footer ── */
.footer {
  background: var(--black);
  color: var(--white);
  margin-top: auto;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 64px 32px 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 56px;
}
.footer-col-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.footer-col p, .footer-col a {
  font-size: 13px;
  color: #555;
  display: block;
  margin-bottom: 8px;
  transition: color var(--transition);
  letter-spacing: 0.01em;
}
.footer-col a:hover { color: #aaa; }
.footer-bottom {
  border-top: 1px solid #1a1a1a;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 6px;
  font-size: 11px;
  color: #3a3a3a;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}
@media (min-width: 1400px) {
  .footer-bottom {
    padding-left: calc((100vw - 1400px) / 2 + 32px);
    padding-right: calc((100vw - 1400px) / 2 + 32px);
  }
}

/* ── Skeleton ── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, #f9f9f9 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.8s infinite;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes popIn {
  from { transform: scale(0.4); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-enter { animation: fadeUp 0.4s cubic-bezier(0.4,0,0.2,1); }

/* ── Responsive ── */
@media (max-width: 1200px) {
  .product-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .product-page { gap: 48px; padding: 40px 24px 80px; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .navbar-inner { padding: 0 16px; }
  .navbar-logo { font-size: 17px; }
  .navbar-right a, .navbar-right button { padding: 8px 10px; font-size: 12px; }
  .nav-user-name { display: none; }
  .site-banner { aspect-ratio: unset; margin-bottom: 0; }
  .products-header-row { padding: 24px 0 16px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .product-page { grid-template-columns: 1fr; gap: 28px; padding: 24px 16px 60px; }
  .cart-layout { flex-direction: column; }
  .order-summary { width: 100%; position: static; }
  .checkout-layout { flex-direction: column; }
  .summary-sidebar { width: 100%; position: static; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .footer-inner { padding: 44px 16px 0; }
  .footer-bottom { padding: 22px 16px; }
  .cart-page { padding: 32px 16px 80px; }
  .checkout-page { padding: 32px 16px 80px; }
  .confirmed-page { padding: 64px 16px; }
}
@media (max-width: 480px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card-name { font-size: 12px; }
  .cart-page h1, .checkout-page h1 { font-size: 22px; }
  .navbar-right a, .navbar-right button { padding: 8px 8px; }
}