/* ===== LUMINA – Premium E-Commerce ===== */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #faf9f7;
  --bg-dark: #111111;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-soft: #5c5c5c;
  --text-muted: #8a8a8a;
  --accent: #b8956c;
  --accent-dark: #9a7b55;
  --border: #e8e4df;
  --success: #2d6a4f;
  --danger: #9b2226;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.5px;
  border-radius: 4px;
  transition: var(--transition);
}
.btn-primary {
  background: var(--bg-dark);
  color: #fff;
}
.btn-primary:hover { background: #333; transform: translateY(-1px); }
.btn-outline {
  border: 1px solid var(--text);
  color: var(--text);
  background: transparent;
}
.btn-outline:hover { background: var(--text); color: #fff; }
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-dark); }
.btn-full { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 0.82rem; }

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250,249,247,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.nav { display: flex; align-items: center; gap: 36px; }
.nav a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--text-soft);
}
.nav a:hover, .nav a.active { color: var(--text); }
.header-actions { display: flex; align-items: center; gap: 20px; }
.header-actions button, .header-actions a {
  position: relative;
  color: var(--text);
  font-size: 1.15rem;
}
.cart-count {
  position: absolute;
  top: -8px; right: -10px;
  background: var(--bg-dark);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.hamburger { display: none; flex-direction: column; gap: 5px; }
.hamburger span { width: 22px; height: 2px; background: var(--text); }

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 88vh;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 560px;
}
.hero-label {
  font-size: 0.8rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  opacity: 0.9;
}
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 32px;
  max-width: 420px;
}
.hero .btn-primary { background: #fff; color: var(--text); }
.hero .btn-primary:hover { background: #f0f0f0; }

/* ===== SECTIONS ===== */
.section { padding: 90px 0; }
.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-label {
  font-size: 0.75rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 500;
  margin-bottom: 12px;
}
.section-desc {
  color: var(--text-soft);
  max-width: 480px;
  margin: 0 auto;
}

/* ===== CATEGORIES ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.category-card {
  position: relative;
  height: 420px;
  overflow: hidden;
  border-radius: var(--radius);
}
.category-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}
.category-card:hover img { transform: scale(1.06); }
.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, rgba(0,0,0,0.7));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  color: #fff;
}
.category-overlay h3 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.category-overlay span {
  font-size: 0.85rem;
  opacity: 0.85;
}

/* ===== PRODUCTS ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.product-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid transparent;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border);
}
.product-img {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: #f0eeeb;
}
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--bg-dark);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 5px 10px;
  text-transform: uppercase;
}
.product-badge.sale { background: var(--danger); }
.product-actions {
  position: absolute;
  bottom: 12px; left: 12px; right: 12px;
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
}
.product-card:hover .product-actions {
  opacity: 1;
  transform: translateY(0);
}
.product-actions .btn {
  flex: 1;
  padding: 11px;
  font-size: 0.8rem;
  background: #fff;
  color: var(--text);
}
.product-actions .btn:hover { background: var(--bg-dark); color: #fff; }
.product-info { padding: 18px 16px 22px; }
.product-category {
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.product-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 8px;
  line-height: 1.3;
}
.product-name a:hover { color: var(--accent); }
.product-price {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.95rem;
}
.price-old {
  color: var(--text-muted);
  text-decoration: line-through;
  font-weight: 400;
  font-size: 0.88rem;
}

/* ===== FEATURES BAR ===== */
.features-bar {
  background: var(--bg-dark);
  color: #fff;
  padding: 48px 0;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.feature-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.feature-item p {
  font-size: 0.82rem;
  opacity: 0.7;
}

/* ===== PRODUCT DETAIL ===== */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 60px 0 90px;
}
.product-gallery {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.gallery-main {
  aspect-ratio: 3/4;
  overflow: hidden;
  border-radius: var(--radius);
  background: #f0eeeb;
}
.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.gallery-thumbs {
  display: flex;
  gap: 10px;
}
.gallery-thumbs img {
  width: 80px;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  opacity: 0.6;
  border: 2px solid transparent;
  transition: var(--transition);
}
.gallery-thumbs img.active,
.gallery-thumbs img:hover {
  opacity: 1;
  border-color: var(--text);
}
.product-detail-info { padding-top: 10px; }
.product-detail-info .product-category { margin-bottom: 8px; }
.product-detail-info h1 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.2;
}
.product-detail-info .product-price {
  font-size: 1.3rem;
  margin-bottom: 24px;
}
.product-desc {
  color: var(--text-soft);
  margin-bottom: 28px;
  line-height: 1.7;
}
.product-options { margin-bottom: 24px; }
.option-label {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 10px;
  display: block;
}
.size-options, .color-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.size-btn, .color-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition);
}
.size-btn:hover, .size-btn.active {
  border-color: var(--text);
  background: var(--text);
  color: #fff;
}
.color-btn {
  border-radius: 50%;
  width: 32px;
  height: 32px;
}
.color-btn.active { outline: 2px solid var(--text); outline-offset: 3px; }
.qty-selector {
  display: flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: fit-content;
  margin-bottom: 24px;
}
.qty-selector button {
  width: 42px;
  height: 42px;
  font-size: 1.1rem;
  color: var(--text);
}
.qty-selector span {
  width: 48px;
  text-align: center;
  font-weight: 500;
}
.add-to-cart-row {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}
.add-to-cart-row .btn { flex: 1; padding: 16px; }
.product-meta {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 0.88rem;
  color: var(--text-soft);
}
.product-meta p { margin-bottom: 6px; }

/* ===== CART ===== */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  padding: 50px 0 90px;
}
.cart-items { display: flex; flex-direction: column; gap: 20px; }
.cart-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 20px;
  background: var(--surface);
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  align-items: center;
}
.cart-item-img {
  width: 120px;
  height: 150px;
  border-radius: 6px;
  overflow: hidden;
  background: #f0eeeb;
}
.cart-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cart-item-info h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.cart-item-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.cart-item-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cart-item-price {
  font-weight: 600;
  font-size: 1.05rem;
  text-align: right;
}
.remove-btn {
  color: var(--text-muted);
  font-size: 0.82rem;
  text-decoration: underline;
}
.remove-btn:hover { color: var(--danger); }
.cart-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: fit-content;
  position: sticky;
  top: 100px;
}
.cart-summary h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 24px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 0.95rem;
}
.summary-row.total {
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 8px;
  font-weight: 600;
  font-size: 1.1rem;
}
.cart-summary .btn { margin-top: 20px; }
.empty-cart {
  text-align: center;
  padding: 80px 20px;
}
.empty-cart h2 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-bottom: 12px;
}
.empty-cart p {
  color: var(--text-soft);
  margin-bottom: 28px;
}

/* ===== CHECKOUT ===== */
.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 48px;
  padding: 50px 0 90px;
}
.checkout-form h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 24px;
}
.form-group {
  margin-bottom: 18px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 7px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--surface);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--text);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.checkout-summary {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: fit-content;
  position: sticky;
  top: 100px;
}
.checkout-summary h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.checkout-item {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
  align-items: center;
}
.checkout-item img {
  width: 60px;
  height: 75px;
  object-fit: cover;
  border-radius: 4px;
}
.checkout-item-info { flex: 1; }
.checkout-item-info h4 {
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 2px;
}
.checkout-item-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ===== PAGE HERO ===== */
.page-hero {
  padding: 70px 0 40px;
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 500;
  margin-bottom: 10px;
}
.page-hero p {
  color: var(--text-soft);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding: 70px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 50px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; display: inline-block; }
.footer-brand p {
  opacity: 0.7;
  font-size: 0.9rem;
  max-width: 280px;
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
  opacity: 0.9;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  margin-bottom: 10px;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--bg-dark);
  color: #fff;
  padding: 14px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}
.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .categories-grid { grid-template-columns: 1fr 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: 36px; }
  .cart-layout, .checkout-layout { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: var(--bg);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 18px;
  }
  .hamburger { display: flex; }
  .categories-grid { grid-template-columns: 1fr; }
  .category-card { height: 320px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .cart-item { grid-template-columns: 90px 1fr; }
  .cart-item-price { grid-column: 2; text-align: left; margin-top: 8px; }
  .hero { height: 70vh; }
}