/* ═══════════════════════════════════════════
   Devynn Beauty — Store Design System
   Rose Gold (#B76E79) + Black (#0A0A0A)
   Typography: Cormorant Garamond + Outfit
   ═══════════════════════════════════════════ */

:root {
  --rose-gold: #B76E79;
  --rose-gold-light: #D4A0A7;
  --rose-gold-dark: #9A5A63;
  --rose-gold-glow: rgba(183, 110, 121, 0.15);
  --rose-gold-subtle: rgba(183, 110, 121, 0.08);
  --black: #0A0A0A;
  --off-black: #111111;
  --dark-gray: #1A1A1A;
  --charcoal: #2A2A2A;
  --medium-gray: #3A3A3A;
  --text-muted: #8A8A8A;
  --text-light: #C0C0C0;
  --white: #F5F0EB;
  --cream: #FAF7F4;
  --success: #6B9A6B;
  --error: #C96B6B;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

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

/* ─── Ambient Background ─── */
.ambient-glow {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
}
.ambient-glow::before {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(183, 110, 121, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}
.ambient-glow::after {
  content: '';
  position: absolute;
  bottom: 10%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(183, 110, 121, 0.04) 0%, transparent 70%);
  border-radius: 50%;
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rose-gold-subtle);
}

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 300;
  letter-spacing: 8px;
  text-transform: uppercase;
  color: var(--rose-gold);
  transition: opacity 0.3s;
}
.logo:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}
.nav-links a {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--rose-gold-light);
}

/* Cart icon in nav */
.cart-nav-link,
.cart-nav-link-mobile {
  position: relative;
  display: flex;
  align-items: center;
  color: var(--text-muted);
  transition: color 0.3s;
}
.cart-nav-link:hover,
.cart-nav-link-mobile:hover { color: var(--rose-gold-light); }
.cart-nav-link svg,
.cart-nav-link-mobile svg { stroke: currentColor; }

.cart-count {
  position: absolute;
  top: -8px; right: -10px;
  background: var(--rose-gold);
  color: var(--black);
  font-size: 10px;
  font-weight: 600;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.cart-count.visible {
  display: flex;
}

/* Mobile nav */
.nav-right-mobile {
  display: none;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--text-light);
  transition: all 0.3s;
}
.mobile-menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 4px);
}
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -4px);
}

.mobile-menu {
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(20px);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  z-index: 99;
  transition: max-height 0.4s ease, padding 0.4s ease;
  border-bottom: 1px solid var(--rose-gold-subtle);
}
.mobile-menu.open {
  max-height: 400px;
  padding: 24px;
}
.mobile-menu a {
  display: block;
  padding: 16px 0;
  color: var(--text-light);
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: color 0.3s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--rose-gold); }

/* ═══════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════ */
main {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding-top: 80px;
}

/* ═══════════════════════════════════════════
   SHOP PAGE
   ═══════════════════════════════════════════ */
.shop-hero {
  text-align: center;
  padding: 80px 24px 60px;
}
.shop-hero h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 12px;
}
.shop-hero h1 em {
  font-style: italic;
  color: var(--rose-gold);
}
.shop-hero p {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
  font-weight: 300;
}

/* Category Filters */
.category-filters {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 0 24px 60px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 10px 28px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  border: 1px solid var(--charcoal);
  background: transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}
.filter-btn:hover {
  border-color: var(--rose-gold);
  color: var(--rose-gold-light);
}
.filter-btn.active {
  background: var(--rose-gold);
  border-color: var(--rose-gold);
  color: var(--black);
  font-weight: 500;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px 120px;
}

/* Product Card */
.product-card {
  position: relative;
  background: var(--dark-gray);
  border: 1px solid rgba(255,255,255,0.04);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.product-card:hover {
  border-color: var(--rose-gold-subtle);
  transform: translateY(-2px);
  box-shadow: 0 20px 60px rgba(183, 110, 121, 0.08);
}

.product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

/* Product Image Area */
.product-image {
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.product-image.makeup {
  background: linear-gradient(145deg, #1a1215 0%, #251820 50%, #1a1215 100%);
}
.product-image.skincare {
  background: linear-gradient(145deg, #121518 0%, #152022 50%, #121518 100%);
}
.product-image.fragrance {
  background: linear-gradient(145deg, #1a1512 0%, #221a15 50%, #1a1512 100%);
}

.product-icon {
  font-size: 64px;
  opacity: 0.25;
  transition: all 0.5s ease;
  color: var(--rose-gold);
}
.product-card:hover .product-icon {
  opacity: 0.4;
  transform: scale(1.08);
}

/* Product Badge */
.product-badge {
  position: absolute;
  top: 16px; left: 16px;
  padding: 4px 12px;
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: var(--rose-gold);
  color: var(--black);
}

/* Product Info */
.product-info {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-category-label {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 8px;
  font-weight: 400;
}
.product-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-short-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
  flex: 1;
}
.product-price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}
.product-price {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.5px;
}

/* Add to Cart Button (on card) */
.btn-add-cart {
  padding: 10px 20px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rose-gold);
  border: 1px solid var(--rose-gold);
  background: transparent;
  transition: all 0.3s ease;
  cursor: pointer;
}
.btn-add-cart:hover {
  background: var(--rose-gold);
  color: var(--black);
}

/* ═══════════════════════════════════════════
   PRODUCT DETAIL PAGE
   ═══════════════════════════════════════════ */
.product-detail {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 48px 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.product-detail-image {
  aspect-ratio: 1/1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid var(--rose-gold-subtle);
}
.product-detail-image .product-icon {
  font-size: 120px;
  opacity: 0.3;
}
.product-detail-image .product-badge {
  top: 24px; left: 24px;
  font-size: 10px;
  padding: 6px 16px;
}

.product-detail-info {
  padding: 20px 0;
}

.product-detail-breadcrumb {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.product-detail-breadcrumb a {
  color: var(--text-muted);
  transition: color 0.3s;
}
.product-detail-breadcrumb a:hover { color: var(--rose-gold); }
.product-detail-breadcrumb span { color: var(--charcoal); margin: 0 8px; }

.product-detail-category {
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 12px;
}

.product-detail-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 16px;
}

.product-detail-price {
  font-size: 28px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 32px;
  letter-spacing: 1px;
}

.product-detail-divider {
  width: 40px;
  height: 1px;
  background: linear-gradient(90deg, var(--rose-gold), transparent);
  margin-bottom: 32px;
}

.product-detail-description {
  font-size: 15px;
  font-weight: 300;
  line-height: 1.9;
  color: var(--text-light);
  margin-bottom: 40px;
}

/* Quantity Selector */
.quantity-selector {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
}
.quantity-label {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-right: 20px;
}
.qty-btn {
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--charcoal);
  color: var(--text-light);
  font-size: 18px;
  transition: all 0.3s;
  background: transparent;
}
.qty-btn:hover {
  border-color: var(--rose-gold);
  color: var(--rose-gold);
}
.qty-value {
  width: 56px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-top: 1px solid var(--charcoal);
  border-bottom: 1px solid var(--charcoal);
  font-size: 16px;
  color: var(--white);
  font-weight: 400;
}

/* Detail Action Buttons */
.product-detail-actions {
  display: flex;
  gap: 12px;
}

.btn-primary {
  flex: 1;
  padding: 16px 32px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: var(--rose-gold);
  color: var(--black);
  border: 1px solid var(--rose-gold);
  transition: all 0.3s ease;
  cursor: pointer;
}
.btn-primary:hover {
  background: var(--rose-gold-light);
  border-color: var(--rose-gold-light);
}

.btn-secondary {
  flex: 1;
  padding: 16px 32px;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  background: transparent;
  color: var(--rose-gold);
  border: 1px solid var(--rose-gold);
  transition: all 0.3s ease;
  cursor: pointer;
}
.btn-secondary:hover {
  background: rgba(183, 110, 121, 0.1);
}

/* Stock Status */
.stock-status {
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--success);
}
.stock-status.out-of-stock { color: var(--error); }

/* ═══════════════════════════════════════════
   RELATED PRODUCTS
   ═══════════════════════════════════════════ */
.related-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 48px 120px;
}
.related-section h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 32px;
  font-weight: 300;
  color: var(--white);
  text-align: center;
  margin-bottom: 48px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

/* ═══════════════════════════════════════════
   CART PAGE
   ═══════════════════════════════════════════ */
.cart-page {
  max-width: 1000px;
  margin: 0 auto;
  padding: 60px 48px 120px;
}
.cart-header {
  text-align: center;
  margin-bottom: 60px;
}
.cart-header h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 300;
  color: var(--white);
  margin-bottom: 8px;
}
.cart-header p {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 300;
}

/* Cart Empty State */
.cart-empty {
  text-align: center;
  padding: 80px 24px;
}
.cart-empty-icon {
  font-size: 64px;
  opacity: 0.2;
  margin-bottom: 24px;
}
.cart-empty h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  font-weight: 300;
  color: var(--text-light);
  margin-bottom: 16px;
}
.cart-empty p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.cart-empty .btn-primary {
  display: inline-block;
  padding: 14px 40px;
}

/* Cart Items */
.cart-items {
  margin-bottom: 48px;
}
.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto;
  gap: 24px;
  align-items: center;
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.cart-item-image {
  width: 100px; height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rose-gold-subtle);
}
.cart-item-image .product-icon {
  font-size: 32px;
  opacity: 0.3;
}
.cart-item-info h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 4px;
}
.cart-item-info p {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: capitalize;
}
.cart-item-qty {
  display: flex;
  align-items: center;
}
.cart-item-qty .qty-btn {
  width: 36px; height: 36px;
  font-size: 16px;
}
.cart-item-qty .qty-value {
  width: 44px; height: 36px;
  font-size: 14px;
}
.cart-item-price {
  text-align: right;
  min-width: 80px;
}
.cart-item-price .item-total {
  font-size: 18px;
  font-weight: 400;
  color: var(--white);
  margin-bottom: 4px;
}
.cart-item-price .remove-btn {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  transition: color 0.3s;
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  text-transform: uppercase;
}
.cart-item-price .remove-btn:hover { color: var(--error); }

/* Cart Summary */
.cart-summary {
  border-top: 1px solid var(--rose-gold-subtle);
  padding-top: 32px;
  max-width: 400px;
  margin-left: auto;
}
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.cart-summary-row.total {
  font-size: 20px;
  color: var(--white);
  font-weight: 400;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.cart-summary .btn-primary {
  width: 100%;
  margin-top: 24px;
  text-align: center;
}
.cart-summary .continue-shopping {
  display: block;
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color 0.3s;
}
.cart-summary .continue-shopping:hover { color: var(--rose-gold); }

/* ═══════════════════════════════════════════
   CHECKOUT SUCCESS
   ═══════════════════════════════════════════ */
.checkout-success {
  text-align: center;
  padding: 120px 24px;
}
.checkout-success-icon {
  width: 80px; height: 80px;
  border: 2px solid var(--rose-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 32px;
  font-size: 36px;
  color: var(--rose-gold);
}
.checkout-success h1 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 42px;
  font-weight: 300;
  color: var(--white);
  margin-bottom: 16px;
}
.checkout-success p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 480px;
  margin: 0 auto 32px;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--rose-gold-subtle);
  padding: 0;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-brand {
  max-width: 300px;
}
.footer-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--rose-gold);
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 300;
  line-height: 1.6;
}
.footer-links {
  display: flex;
  gap: 64px;
}
.footer-col h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color 0.3s;
  font-weight: 300;
}
.footer-col a:hover { color: var(--rose-gold-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 24px 48px;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 300;
  letter-spacing: 1px;
}

/* ═══════════════════════════════════════════
   TOAST NOTIFICATION
   ═══════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 32px; right: 32px;
  background: var(--dark-gray);
  border: 1px solid var(--rose-gold);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}
.toast-icon {
  color: var(--rose-gold);
  font-size: 16px;
}
.toast-message {
  font-size: 13px;
  color: var(--white);
  letter-spacing: 1px;
  font-weight: 300;
}

/* ═══════════════════════════════════════════
   LOADING STATES
   ═══════════════════════════════════════════ */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px;
}
.loading-spinner {
  width: 40px; height: 40px;
  border: 1px solid var(--charcoal);
  border-top-color: var(--rose-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .product-grid,
  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .product-detail {
    gap: 48px;
  }
}

@media (max-width: 768px) {
  nav {
    padding: 16px 24px;
  }
  .logo {
    font-size: 22px;
    letter-spacing: 5px;
  }
  .nav-links { display: none; }
  .nav-right-mobile { display: flex; }
  .mobile-menu-btn { display: flex; }

  main { padding-top: 68px; }

  .product-grid,
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 16px 80px;
    gap: 1px;
  }

  .product-detail {
    grid-template-columns: 1fr;
    padding: 40px 24px 80px;
    gap: 40px;
  }
  .product-detail-actions {
    flex-direction: column;
  }

  .cart-page {
    padding: 40px 24px 80px;
  }
  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: 16px;
  }
  .cart-item-image {
    width: 80px; height: 80px;
  }
  .cart-item-qty {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }
  .cart-item-price {
    grid-column: 1 / -1;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .cart-summary {
    max-width: 100%;
  }

  .shop-hero {
    padding: 60px 24px 40px;
  }
  .category-filters {
    padding: 0 16px 40px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 40px;
    padding: 48px 24px;
  }
  .footer-links { gap: 40px; }

  .related-section {
    padding: 0 16px 80px;
  }
}

@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: 1fr;
    padding: 0 16px 60px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-name {
    font-size: 18px;
  }
  .product-info {
    padding: 20px;
  }
  .filter-btn {
    padding: 8px 20px;
    font-size: 10px;
    letter-spacing: 2px;
  }
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}
.product-card {
  opacity: 0;
  animation: fadeInUp 0.5s ease forwards;
}
.product-card:nth-child(1) { animation-delay: 0.05s; }
.product-card:nth-child(2) { animation-delay: 0.1s; }
.product-card:nth-child(3) { animation-delay: 0.15s; }
.product-card:nth-child(4) { animation-delay: 0.2s; }
.product-card:nth-child(5) { animation-delay: 0.25s; }
.product-card:nth-child(6) { animation-delay: 0.3s; }
.product-card:nth-child(7) { animation-delay: 0.35s; }
.product-card:nth-child(8) { animation-delay: 0.4s; }
.product-card:nth-child(9) { animation-delay: 0.45s; }
.product-card:nth-child(10) { animation-delay: 0.5s; }
.product-card:nth-child(11) { animation-delay: 0.55s; }
.product-card:nth-child(12) { animation-delay: 0.6s; }
.product-card:nth-child(13) { animation-delay: 0.65s; }
.product-card:nth-child(14) { animation-delay: 0.7s; }
.product-card:nth-child(15) { animation-delay: 0.75s; }
.product-card:nth-child(16) { animation-delay: 0.8s; }
.product-card:nth-child(17) { animation-delay: 0.85s; }
.product-card:nth-child(18) { animation-delay: 0.9s; }