/* ========================================
   MODA - Clothing E-commerce Demo
   Shopify Dawn Style Design System
   ======================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #1A1A1A;
  --color-white: #FFFFFF;
  --color-light-gray: #F5F5F5;
  --color-accent: #008060;
  --color-accent-hover: #006d50;
  --color-text: #1A1A1A;
  --color-text-light: #666666;
  --color-border: #E0E0E0;
  --color-red: #E53935;
  --font-stack: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-card: 8px;
  --radius-btn: 4px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
  --transition: 0.2s ease;
  --max-width: 1200px;
  --header-height: 60px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
  font-size: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background: var(--color-white);
  box-shadow: var(--shadow);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header__icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
  border-radius: 50%;
  transition: background var(--transition);
}

.header__icon-btn:hover {
  background: var(--color-light-gray);
}

.cart-badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.625rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  height: 40px;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

@media (max-width: 768px) {
  .header__nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
}

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-white);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu__close {
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu__nav {
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.mobile-menu__link {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-primary);
}

/* --- Mini Cart Drawer --- */
.mini-cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.mini-cart-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mini-cart {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 420px;
  height: 100%;
  background: var(--color-white);
  z-index: 1600;
  transform: translateX(100%);
  transition: transform var(--transition);
  display: flex;
  flex-direction: column;
}

.mini-cart.open {
  transform: translateX(0);
}

.mini-cart__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.mini-cart__title {
  font-size: 1.125rem;
  font-weight: 600;
}

.mini-cart__close {
  width: 36px;
  height: 36px;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mini-cart__items {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
}

.mini-cart__item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.mini-cart__item-img {
  width: 80px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-card);
  flex-shrink: 0;
}

.mini-cart__item-info {
  flex: 1;
}

.mini-cart__item-title {
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.mini-cart__item-variant {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.mini-cart__item-price {
  font-weight: 600;
  font-size: 0.875rem;
}

.mini-cart__item-remove {
  font-size: 0.75rem;
  color: var(--color-text-light);
  align-self: flex-start;
}

.mini-cart__item-remove:hover {
  color: var(--color-red);
}

.mini-cart__footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-border);
}

.mini-cart__total {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.mini-cart__buttons {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-btn);
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border: 2px solid var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn--full {
  width: 100%;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 80vh;
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  margin-top: 0;
}

.hero__image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  max-width: 600px;
  padding: 0 1.5rem;
}

.hero__title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: 0.02em;
}

.hero__subtitle {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

@media (max-width: 768px) {
  .hero__title {
    font-size: 2rem;
  }
  .hero__subtitle {
    font-size: 1rem;
  }
}

/* --- Section Titles --- */
.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2.5rem;
  letter-spacing: 0.02em;
}

/* --- Product Grid --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 992px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

/* --- Product Card --- */
.product-card {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-lg);
}

.product-card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/5;
}

.product-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity var(--transition);
}

.product-card__image--hover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity var(--transition);
}

.product-card:hover .product-card__image--hover {
  opacity: 1;
}

.product-card__wishlist {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  width: 36px;
  height: 36px;
  background: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow);
  z-index: 2;
  transition: all var(--transition);
  opacity: 0;
}

.product-card:hover .product-card__wishlist {
  opacity: 1;
}

.product-card__wishlist:hover {
  color: var(--color-red);
}

.product-card__wishlist.active {
  color: var(--color-red);
  opacity: 1;
}

.product-card__quick-add {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 0.75rem;
  background: var(--color-white);
  text-align: center;
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transform: translateY(100%);
  transition: transform var(--transition);
  cursor: pointer;
}

.product-card:hover .product-card__quick-add {
  transform: translateY(0);
}

.product-card__info {
  padding: 1rem 0.5rem 0;
}

.product-card__title {
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
}

.product-card__price {
  font-size: 0.875rem;
  font-weight: 600;
}

.product-card__price--original {
  text-decoration: line-through;
  color: var(--color-text-light);
  font-weight: 400;
  margin-left: 0.5rem;
}

/* --- Brand Story Section --- */
.brand-story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  padding: 5rem 0;
}

.brand-story__image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-card);
}

.brand-story__content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.brand-story__content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .brand-story {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 3rem 0;
  }
  .brand-story__image {
    height: 300px;
  }
}

/* --- Newsletter Section --- */
.newsletter {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4rem 0;
  text-align: center;
}

.newsletter__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.newsletter__text {
  opacity: 0.8;
  margin-bottom: 2rem;
}

.newsletter__form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: 0;
}

.newsletter__input {
  flex: 1;
  padding: 0.875rem 1rem;
  border: none;
  border-radius: var(--radius-btn) 0 0 var(--radius-btn);
  font-size: 0.875rem;
  outline: none;
}

.newsletter__btn {
  padding: 0.875rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
}

.newsletter__btn:hover {
  background: var(--color-accent-hover);
}

/* --- Footer --- */
.footer {
  background: var(--color-light-gray);
  padding: 4rem 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 3rem;
}

.footer__col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.footer__col ul li {
  margin-bottom: 0.75rem;
}

.footer__col ul li a {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.footer__col ul li a:hover {
  color: var(--color-primary);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  z-index: 1800;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner__text {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.cookie-banner__actions {
  display: flex;
  gap: 0.75rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 1rem 0;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  margin: 0 0.5rem;
}

/* --- Category Page --- */
.category-page {
  padding: calc(var(--header-height) + 1rem) 0 3rem;
}

.category-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2rem;
  align-items: start;
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.category-header__title {
  font-size: 1.75rem;
  font-weight: 700;
}

.category-header__count {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.filter-sort-select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 0.875rem;
  background: var(--color-white);
  cursor: pointer;
}

/* Sidebar Filters */
.sidebar {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
}

.filter-group {
  margin-bottom: 2rem;
}

.filter-group__title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

.filter-group__option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.625rem;
  font-size: 0.875rem;
  cursor: pointer;
}

.filter-group__option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

.color-swatches {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition);
}

.color-swatch:hover,
.color-swatch.active {
  border-color: var(--color-primary);
}

.price-range {
  width: 100%;
}

.price-range input[type="range"] {
  width: 100%;
  margin: 0.5rem 0;
  accent-color: var(--color-primary);
}

.price-range__labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* Mobile filter button */
.mobile-filter-btn {
  display: none;
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: 0.875rem;
  text-align: center;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .category-layout {
    grid-template-columns: 1fr;
  }
  .sidebar {
    display: none;
  }
  .mobile-filter-btn {
    display: block;
  }
}

/* Filter drawer (mobile) */
.filter-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.filter-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.filter-drawer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  max-height: 80vh;
  background: var(--color-white);
  z-index: 1600;
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  transform: translateY(100%);
  transition: transform var(--transition);
  overflow-y: auto;
  padding: 1.5rem;
}

.filter-drawer.open {
  transform: translateY(0);
}

.filter-drawer__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.filter-drawer__title {
  font-size: 1.125rem;
  font-weight: 700;
}

.load-more-wrap {
  text-align: center;
  padding: 2rem 0;
}

/* --- Product Detail Page --- */
.product-detail-page {
  padding: calc(var(--header-height) + 1rem) 0 3rem;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Image Gallery */
.gallery__main {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: var(--radius-card);
  overflow: hidden;
  margin-bottom: 1rem;
  cursor: zoom-in;
}

.gallery__main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.gallery__main:hover img {
  transform: scale(1.05);
}

.gallery__thumbs {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
}

.gallery__thumb {
  width: 80px;
  height: 100px;
  border-radius: var(--radius-btn);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.gallery__thumb.active,
.gallery__thumb:hover {
  border-color: var(--color-primary);
}

.gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Product Info */
.product-info__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.product-info__rating {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.product-info__stars {
  color: #FFA500;
  font-size: 1rem;
}

.product-info__reviews {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.product-info__price {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.product-info__price--original {
  text-decoration: line-through;
  color: var(--color-red);
  font-weight: 400;
  font-size: 1.125rem;
  margin-left: 0.5rem;
}

.product-info__desc {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

/* Color & Size selectors */
.selector-group {
  margin-bottom: 1.5rem;
}

.selector-group__label {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  display: block;
}

.color-options {
  display: flex;
  gap: 0.75rem;
}

.color-option {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition);
  outline: 2px solid transparent;
  outline-offset: 2px;
}

.color-option:hover,
.color-option.active {
  outline-color: var(--color-primary);
}

.size-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.size-option {
  min-width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0 0.75rem;
}

.size-option:hover {
  border-color: var(--color-primary);
}

.size-option.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Quantity Stepper */
.quantity-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  overflow: hidden;
}

.quantity-stepper__btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--color-primary);
  transition: background var(--transition);
}

.quantity-stepper__btn:hover {
  background: var(--color-light-gray);
}

.quantity-stepper__value {
  width: 48px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.product-info__shipping-note {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.product-info__buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* Tabs */
.tabs {
  margin-top: 3rem;
}

.tabs__nav {
  display: flex;
  border-bottom: 1px solid var(--color-border);
}

.tabs__tab {
  padding: 1rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -1px;
}

.tabs__tab:hover {
  color: var(--color-accent);
}

.tabs__tab.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

.tabs__content {
  padding: 2rem 0;
  display: none;
}

.tabs__content.active {
  display: block;
}

.tabs__content p {
  color: var(--color-text-light);
  line-height: 1.8;
}

/* Size guide table */
.size-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
}

.size-table th,
.size-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
}

.size-table th {
  background: var(--color-light-gray);
  font-weight: 600;
}

/* Related Products Carousel */
.related-products {
  padding: 3rem 0;
}

.related-products__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.carousel {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
}

.carousel::-webkit-scrollbar {
  height: 6px;
}

.carousel::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

.carousel .product-card {
  min-width: 250px;
  flex-shrink: 0;
  scroll-snap-align: start;
}

/* --- Search Page --- */
.search-page {
  padding: calc(var(--header-height) + 2rem) 0 3rem;
}

.search-bar {
  display: flex;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.search-bar__input {
  flex: 1;
  padding: 1rem 1.25rem;
  border: 2px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-btn) 0 0 var(--radius-btn);
  font-size: 1rem;
  outline: none;
  transition: border-color var(--transition);
}

.search-bar__input:focus {
  border-color: var(--color-primary);
}

.search-bar__btn {
  padding: 1rem 2rem;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 0 var(--radius-btn) var(--radius-btn) 0;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition);
}

.search-bar__btn:hover {
  background: #333;
}

.search-results-header {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1rem;
  color: var(--color-text-light);
}

.search-results-header strong {
  color: var(--color-primary);
}

mark {
  background: #e8f5e9;
  color: var(--color-primary);
  padding: 0.125rem 0.25rem;
  border-radius: 2px;
}

.no-results {
  text-align: center;
  padding: 3rem 0;
}

.no-results__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.no-results__text {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

/* --- Cart Page --- */
.cart-page {
  padding: calc(var(--header-height) + 2rem) 0 3rem;
}

.cart-page__title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 2rem;
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 3rem;
  align-items: start;
}

@media (max-width: 768px) {
  .cart-layout {
    grid-template-columns: 1fr;
  }
}

/* Cart Table */
.cart-table {
  width: 100%;
  border-collapse: collapse;
}

.cart-table th {
  text-align: left;
  padding: 0.75rem 0;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
}

.cart-table td {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-light-gray);
  vertical-align: top;
}

.cart-item__product {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.cart-item__image {
  width: 80px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-card);
}

.cart-item__title {
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.cart-item__variant {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.cart-item__price {
  font-weight: 600;
}

.cart-item__remove {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.cart-item__remove:hover {
  color: var(--color-red);
}

/* Mobile cart cards */
.cart-cards {
  display: none;
}

@media (max-width: 768px) {
  .cart-table {
    display: none;
  }
  .cart-cards {
    display: block;
  }
}

.cart-card {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.cart-card__image {
  width: 100px;
  height: 125px;
  object-fit: cover;
  border-radius: var(--radius-card);
  flex-shrink: 0;
}

.cart-card__info {
  flex: 1;
}

.cart-card__title {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.cart-card__variant {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.cart-card__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.75rem;
}

.cart-card__remove {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.cart-card__remove:hover {
  color: var(--color-red);
}

/* Coupon */
.coupon {
  display: flex;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.coupon__input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  font-size: 0.875rem;
  outline: none;
}

.coupon__input:focus {
  border-color: var(--color-primary);
}

/* Order Summary */
.order-summary {
  background: var(--color-light-gray);
  padding: 1.5rem;
  border-radius: var(--radius-card);
}

.order-summary__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.order-summary__row {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
}

.order-summary__row--total {
  font-size: 1.25rem;
  font-weight: 700;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.order-summary .btn {
  margin-top: 1.5rem;
}

/* --- Checkout Page --- */
.checkout-page {
  min-height: 100vh;
  background: var(--color-light-gray);
}

.checkout-header {
  background: var(--color-white);
  padding: 1.25rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.checkout-header__logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 0;
  max-width: var(--max-width);
  margin: 0 auto;
}

@media (max-width: 768px) {
  .checkout-layout {
    grid-template-columns: 1fr;
  }
}

.checkout-form {
  padding: 2rem;
  background: var(--color-white);
  min-height: calc(100vh - 60px);
}

/* Progress Steps */
.progress-steps {
  display: flex;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.progress-step__number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.75rem;
  background: var(--color-light-gray);
  color: var(--color-text-light);
}

.progress-step.active .progress-step__number {
  background: var(--color-accent);
  color: var(--color-white);
}

.progress-step.active {
  color: var(--color-primary);
  font-weight: 600;
}

.progress-step.completed .progress-step__number {
  background: var(--color-accent);
  color: var(--color-white);
}

.progress-step__divider {
  width: 40px;
  height: 1px;
  background: var(--color-border);
  margin: 0 0.75rem;
}

/* Form Fields */
.form-section {
  margin-bottom: 2rem;
}

.form-section__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  outline: none;
  transition: border-color var(--transition);
  background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group .optional {
  color: var(--color-text-light);
  font-weight: 400;
}

/* Radio options */
.radio-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: border-color var(--transition);
}

.radio-option:hover {
  border-color: var(--color-primary);
}

.radio-option input {
  accent-color: var(--color-accent);
}

.radio-option__info {
  flex: 1;
}

.radio-option__label {
  font-weight: 500;
  font-size: 0.875rem;
}

.radio-option__detail {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* Checkbox */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.checkbox-group input {
  accent-color: var(--color-accent);
  width: 16px;
  height: 16px;
}

/* Checkout summary sidebar */
.checkout-summary {
  background: var(--color-white);
  padding: 2rem;
  border-left: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .checkout-summary {
    border-left: none;
    border-top: 1px solid var(--color-border);
  }
}

.checkout-summary__item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.checkout-summary__item-img {
  width: 60px;
  height: 75px;
  object-fit: cover;
  border-radius: var(--radius-btn);
}

.checkout-summary__item-title {
  font-size: 0.8125rem;
  font-weight: 500;
}

.checkout-summary__item-variant {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* --- Order Confirmation --- */
.confirmation-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--color-light-gray);
}

.confirmation-card {
  background: var(--color-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  max-width: 700px;
  width: 100%;
  padding: 3rem;
  text-align: center;
}

.confirmation-icon {
  font-size: 4rem;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.confirmation-card h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.confirmation-card__order-number {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.confirmation-card__email {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

.confirmation-summary {
  text-align: left;
  background: var(--color-light-gray);
  padding: 1.5rem;
  border-radius: var(--radius-card);
  margin-bottom: 2rem;
}

.confirmation-summary__title {
  font-weight: 700;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.confirmation-summary__item {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}

.confirmation-summary__item:last-child {
  border-bottom: none;
}

.confirmation-summary__section {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.confirmation-summary__section h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.confirmation-summary__section p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.confirmation-summary__total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 1.125rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* --- Image Zoom Modal --- */
.zoom-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.9);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.zoom-modal.open {
  opacity: 1;
  visibility: visible;
}

.zoom-modal__close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zoom-modal__img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #bbb;
}