/* Glabbko - Luxury Clothing E-commerce */
/* Design: Dark palette, gold accents, refined typography */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Lato:wght@300;400;700&display=swap');

:root {
  /* Colors */
  --color-bg: #0f0f0f;
  --color-bg-elevated: #1a1a1a;
  --color-bg-card: #242424;
  --color-text: #f5f5f5;
  --color-text-muted: #a0a0a0;
  --color-gold: #c9a227;
  --color-gold-dark: #b8860b;
  --color-gold-light: #e6c547;
  --color-border: rgba(201, 162, 39, 0.3);
  
  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Lato', -apple-system, sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Layout */
  --header-height: 72px;
  --container-max: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Main content area */
main {
  min-height: calc(100vh - var(--header-height) - 200px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.header__logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
}

.header__logo:hover {
  color: var(--color-gold);
}

.header__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.header__nav a {
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.header__nav a:hover {
  color: var(--color-gold);
}

.header__cart-link {
  position: relative;
}

.header__cart-badge {
  position: absolute;
  top: -8px;
  right: -12px;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--color-gold);
  color: var(--color-bg);
  border-radius: 10px;
}

.cart-badge--pulse {
  animation: cartBadgePulse 0.6s ease;
}

@keyframes cartBadgePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
}

@media (max-width: 768px) {
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-bg-elevated);
    padding: var(--space-lg);
    gap: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-smooth);
    border-bottom: 1px solid var(--color-border);
  }

  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header__menu-btn {
    display: flex;
  }
}

/* Section */
.section {
  padding: var(--space-2xl) 0;
}

.section__title {
  font-size: 2rem;
  margin-bottom: var(--space-md);
  text-align: center;
}

.category-intro {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.product-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.product-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .product-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .product-grid--2,
  .product-grid--3 {
    grid-template-columns: 1fr;
  }
}

.product-grid--centered {
  justify-content: center;
  grid-template-columns: repeat(auto-fit, minmax(280px, 280px));
}

@media (max-width: 640px) {
  .product-grid--centered {
    grid-template-columns: 1fr;
  }
}

/* Featured Section (Home) */
.featured-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.featured-row__title {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
  color: var(--color-gold);
  letter-spacing: 0.05em;
  text-align: center;
}

/* About */
.about__text {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* Product Detail */
.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

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

.product-detail__image {
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}

.product-detail__image img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
}

.product-detail__category {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-sm);
}

.product-detail__category:hover {
  color: var(--color-gold-light);
}

.product-detail__name {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.product-detail__price {
  font-size: 1.5rem;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.product-detail__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.btn--full {
  width: 100%;
  margin-top: var(--space-md);
}

/* Product Gallery */
.product-gallery {
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

.product-gallery__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-xl);
  text-align: center;
}

.product-gallery__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.product-gallery__item {
  display: block;
  width: 100%;
  padding: 0;
  border: 2px solid var(--color-border);
  background: transparent;
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-smooth);
  aspect-ratio: 3/4;
}

.product-gallery__item:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.product-gallery__item--active {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 1px var(--color-gold);
}

.product-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 640px) {
  .product-gallery__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .product-gallery__item {
    aspect-ratio: 1;
  }
}

.product-detail__loading,
.product-detail__error {
  text-align: center;
  color: var(--color-text-muted);
}

/* Cart */
.cart-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-2xl);
}

.cart-empty p {
  margin-bottom: var(--space-md);
}

.cart-empty__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-lg);
}

.cart-empty a {
  color: var(--color-gold);
}

.cart-empty a:hover {
  text-decoration: underline;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto auto;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .cart-item {
    grid-template-columns: 80px 1fr;
    grid-template-areas:
      "img info"
      "img qty"
      "img subtotal"
      "img remove";
    gap: var(--space-sm);
  }
  .cart-item__image { grid-area: img; }
  .cart-item__info { grid-area: info; }
  .cart-item__qty { grid-area: qty; }
  .cart-item__subtotal { grid-area: subtotal; }
  .cart-item__remove { grid-area: remove; align-self: start; }
}

.cart-item__image {
  width: 100px;
  aspect-ratio: 3/4;
  overflow: hidden;
}

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

.cart-item__name {
  font-size: 1.1rem;
}

.cart-item__variant {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.cart-item__price {
  font-size: 0.9rem;
  color: var(--color-gold);
}

.cart-item__qty input {
  width: 60px;
  padding: var(--space-sm);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  text-align: center;
}

.cart-item__subtotal {
  font-weight: 700;
}

.cart-item__remove {
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cart-item__remove:hover {
  border-color: #c0392b;
  color: #c0392b;
}

.cart-summary {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  max-width: 400px;
  margin-left: auto;
}

.cart-summary__total {
  display: flex;
  justify-content: space-between;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.cart-summary__checkout {
  width: 100%;
}

/* Checkout */
.checkout-form {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-2xl);
  align-items: start;
}

@media (max-width: 900px) {
  .checkout-form {
    grid-template-columns: 1fr;
  }
}

.checkout-form h2 {
  font-size: 1.25rem;
  margin-bottom: var(--space-lg);
}

.checkout-form__summary {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}

.checkout-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  font-size: 0.95rem;
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.25rem;
  font-weight: 700;
  margin: var(--space-lg) 0;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.checkout-success {
  text-align: center;
  padding: var(--space-2xl);
}

.checkout-success__thank-you {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.checkout-success p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

/* Size Chart */
.size-chart {
  margin-top: var(--space-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.size-chart__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--color-gold-dark), var(--color-gold));
  color: var(--color-bg);
  padding: var(--space-md) var(--space-lg);
}

.size-chart table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.size-chart th,
.size-chart td {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.size-chart th {
  background: var(--color-bg-elevated);
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.size-chart td {
  background: var(--color-bg-card);
  color: var(--color-text);
}

.size-chart tr:last-child td {
  border-bottom: none;
}

.size-chart tr:hover td {
  background: rgba(201, 162, 39, 0.05);
}

.size-chart-section {
  margin-top: var(--space-2xl);
}

.size-chart-section__heading {
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.size-chart-section .size-chart {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

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

.breadcrumb__sep {
  opacity: 0.6;
}

/* Focus visible for accessibility */
*:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* Fade-in animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-detail__grid {
  animation: fadeIn 0.5s ease;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer__nav {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-md);
}

.footer__nav a:hover {
  color: var(--color-gold);
}

.footer__copy {
  margin: 0;
  opacity: 0.8;
}

/* Page with header offset */
body.has-hero main {
  padding-top: 0;
}

body:not(.has-hero) main {
  padding-top: var(--header-height);
}