/* ============================================
   Commercial Event Tents — Design System
   Niche: Industrial/Commercial Event Equipment
   Personality: Professional, Technical, Trustworthy
   ============================================ */

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); color: var(--color-text-primary); background: var(--color-bg); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* CSS Variables — Industrial Commercial Tent Palette */
:root {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-surface-alt: #eef0f3;
  --color-border: #d4d8de;
  --color-text-primary: #1a2332;
  --color-text-secondary: #4a5568;
  --color-text-muted: #8a94a6;
  --color-accent: #0d4a5e;
  --color-accent-hover: #0a3a4a;
  --color-accent-fg: #ffffff;
  --color-accent-light: #e6f0f4;
  --color-secondary: #c8541e;
  --color-secondary-hover: #a8461a;
  --color-success: #2d7a4f;
  --color-warning: #c4930a;
  --color-error: #c4362d;
  --color-sale: #c4362d;

  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(26,35,50,0.08);
  --shadow-md: 0 4px 12px rgba(26,35,50,0.12);
  --shadow-lg: 0 12px 32px rgba(26,35,50,0.16);

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --container-max: 1280px;
}

/* Accessibility */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

/* Announcement Bar */
.announcement-bar {
  background: var(--color-accent);
  color: var(--color-accent-fg);
  text-align: center;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}
.announcement-bar strong { font-weight: 700; }

/* Navigation */
.nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  height: 72px;
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-logo span { color: var(--color-secondary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  white-space: nowrap;
  position: relative;
}
.nav-link:hover { color: var(--color-accent); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover::after { width: 100%; }

/* Dropdown */
.nav-dropdown {
  position: absolute;
  top: 100%; left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 240px;
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-base);
}
.has-dropdown { position: relative; }
.has-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown a {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.nav-dropdown a:hover {
  background: var(--color-surface-alt);
  color: var(--color-accent);
  padding-left: calc(var(--space-lg) + 4px);
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-search-toggle, .nav-cart-btn, .hamburger {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-search-toggle:hover, .nav-cart-btn:hover, .hamburger:hover {
  color: var(--color-accent);
  background: var(--color-surface-alt);
}
.nav-cart-btn { position: relative; }
.cart-count {
  position: absolute;
  top: 0; right: 0;
  background: var(--color-secondary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px; height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  transform: translate(4px, -4px);
}
.cart-count:empty, .cart-count[data-count="0"] { display: none; }

/* Search bar in nav */
.nav-search {
  display: none;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
}
.nav-search.active { display: block; }
.nav-search-inner {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}
.nav-search input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
}
.nav-search input:focus { border-color: var(--color-accent); }
.search-results {
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 400px;
  overflow-y: auto;
  display: none;
}
.search-results.active { display: block; }
.search-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.search-item:hover { background: var(--color-surface-alt); }
.search-item img {
  width: 56px; height: 56px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}
.search-item-info { flex: 1; }
.search-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.search-item-price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
}

/* Hamburger / Mobile Menu */
.hamburger { display: none; }
.mobile-menu {
  position: fixed;
  top: 0; left: -100%;
  width: 300px; height: 100vh;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: left var(--transition-base);
  overflow-y: auto;
  padding: var(--space-xl) var(--space-lg);
}
.mobile-menu.open { left: 0; }
.mobile-menu-close {
  position: absolute;
  top: var(--space-md); right: var(--space-md);
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.mobile-menu-link {
  display: block;
  padding: var(--space-md) 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu-link:hover { color: var(--color-accent); }
.mobile-menu-sub {
  padding-left: var(--space-lg);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}
.mobile-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 150;
  display: none;
}
.mobile-overlay.active { display: block; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}
.btn-secondary:hover {
  background: var(--color-secondary-hover);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-ghost:hover {
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.btn-sm { padding: var(--space-sm) var(--space-md); font-size: 0.85rem; }
.btn-lg { padding: var(--space-lg) var(--space-2xl); font-size: 1.05rem; }
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-full { width: 100%; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-sale { background: var(--color-sale); color: #fff; }
.badge-new { background: var(--color-success); color: #fff; }
.badge-out { background: var(--color-text-muted); color: #fff; }
.badge-accent { background: var(--color-accent-light); color: var(--color-accent); }

/* Sections */
.section { padding: var(--space-2xl) 0; }
.section-alt { background: var(--color-surface-alt); }
.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}
.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-lg); }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-lg);
}

/* Hero */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,74,94,0.92) 0%, rgba(10,58,74,0.78) 50%, rgba(26,35,50,0.6) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
  padding: var(--space-2xl) 0;
}
.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #a8d4e0;
  margin-bottom: var(--space-md);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin-bottom: var(--space-md);
}
.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.5;
  color: rgba(255,255,255,0.9);
  margin-bottom: var(--space-xl);
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Product Card */
.product-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-accent);
}
.product-card-img {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-surface-alt);
}
.product-card-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.product-card:hover .product-card-img img { transform: scale(1.05); }
.product-card-badges {
  position: absolute;
  top: var(--space-sm); left: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.product-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}
.product-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.4em;
}
.product-card-title a:hover { color: var(--color-accent); }
.product-card-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent);
}
.product-card-compare {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-left: var(--space-sm);
}
.product-card-cta {
  margin-top: auto;
  padding-top: var(--space-sm);
}
.product-card .btn { width: 100%; }

/* Collection Card */
.collection-card {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
}
.collection-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}
.collection-card:hover img { transform: scale(1.08); }
.collection-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13,74,94,0.9) 0%, rgba(13,74,94,0.3) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}
.collection-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
}
.collection-card-count {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
  margin-top: 4px;
}

/* Blog Card */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}
.blog-card:hover { box-shadow: var(--shadow-md); }
.blog-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-card-img img { width: 100%; height: 100%; object-fit: cover; }
.blog-card-body { padding: var(--space-lg); }
.blog-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}
.blog-card-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Product Page Layout */
.product-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}
.product-gallery { position: relative; }
.gallery-main-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--color-surface-alt);
  margin-bottom: var(--space-md);
}
.gallery-main-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  cursor: zoom-in;
}
.gallery-thumbs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
}
.gallery-thumb {
  width: 80px; height: 80px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color var(--transition-fast);
}
.gallery-thumb.active { border-color: var(--color-accent); }
.gallery-thumb:hover { border-color: var(--color-accent); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* Product Info */
.product-info { display: flex; flex-direction: column; gap: var(--space-md); }
.product-vendor {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}
.product-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1.2;
}
.product-price-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}
.product-price {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
}
.product-compare-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.rating-stars {
  display: inline-flex;
  gap: 2px;
  color: #e8a838;
  font-size: 1rem;
}
.rating-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-left: var(--space-sm);
}

/* Variant Selectors */
.option-group { margin-bottom: var(--space-md); }
.option-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.option-btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.option-btn {
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface);
}
.option-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.option-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.option-btn.unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Quantity Control */
.qty-control {
  display: inline-flex;
  align-items: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.qty-btn {
  width: 40px; height: 40px;
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  transition: all var(--transition-fast);
}
.qty-btn:hover { background: var(--color-surface-alt); color: var(--color-accent); }
.qty-input {
  width: 56px; height: 40px;
  text-align: center;
  border: none;
  border-left: 2px solid var(--color-border);
  border-right: 2px solid var(--color-border);
  font-family: var(--font-mono);
  font-weight: 600;
}

/* Availability */
.availability-msg {
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}
.availability-msg.in-stock {
  background: rgba(45,122,79,0.1);
  color: var(--color-success);
}
.availability-msg.made-to-order {
  background: rgba(13,74,94,0.1);
  color: var(--color-accent);
}
.availability-msg.out-of-stock {
  background: rgba(196,54,45,0.1);
  color: var(--color-error);
}

/* Product Short Description */
.product-short-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.product-short-desc ul {
  list-style: disc;
  padding-left: var(--space-lg);
  margin-top: var(--space-sm);
}
.product-short-desc li { margin-bottom: 4px; }

/* Accordions */
.product-accordions { margin-top: var(--space-md); }
.accordion {
  border-bottom: 1px solid var(--color-border);
}
.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  text-align: left;
}
.accordion-header:hover { color: var(--color-accent); }
.accordion-icon {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: transform var(--transition-fast);
}
.accordion.open .accordion-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.accordion.open .accordion-body { max-height: 600px; }
.accordion-body-inner {
  padding: 0 0 var(--space-md) 0;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.accordion-body-inner ul { list-style: disc; padding-left: var(--space-lg); margin-top: var(--space-sm); }
.accordion-body-inner li { margin-bottom: 4px; }

/* Sticky ATC */
.sticky-atc {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
  padding: var(--space-md) var(--space-lg);
  z-index: 90;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}
.sticky-atc.visible { transform: translateY(0); }
.sticky-atc-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.sticky-atc-product {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}
.sticky-atc-product img {
  width: 56px; height: 56px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.sticky-atc-product-info { min-width: 0; }
.sticky-atc-product-title {
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-atc-product-price {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* Reviews */
.reviews-section {
  padding: var(--space-xl) 0;
}
.reviews-summary {
  display: flex;
  gap: var(--space-xl);
  align-items: center;
  flex-wrap: wrap;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}
.reviews-avg {
  text-align: center;
}
.reviews-score {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
}
.reviews-bars {
  flex: 1;
  min-width: 240px;
}
.rating-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: 4px;
}
.rating-bar-label { font-size: 0.8rem; color: var(--color-text-muted); width: 40px; }
.rating-bar-track {
  flex: 1;
  height: 8px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.rating-bar-fill {
  height: 100%;
  background: #e8a838;
  border-radius: var(--radius-full);
}
.rating-bar-count { font-size: 0.8rem; color: var(--color-text-muted); width: 30px; text-align: right; }

.review-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
}
.review-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-sm);
}
.review-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-primary);
}
.review-verified {
  font-size: 0.75rem;
  color: var(--color-success);
  font-weight: 600;
}
.review-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text-primary);
}
.review-body {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.review-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

/* Cart Drawer */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.cart-overlay.active { opacity: 1; visibility: visible; }
.cart-drawer {
  position: fixed;
  top: 0; right: -100%;
  width: 400px; max-width: 90vw;
  height: 100vh;
  background: var(--color-surface);
  z-index: 210;
  transition: right var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.cart-drawer.open { right: 0; }
.cart-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.cart-drawer-header h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  text-transform: uppercase;
}
.cart-lines {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
}
.cart-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}
.cart-item img {
  width: 72px; height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-title {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.cart-item-variant {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}
.cart-item-price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}
.cart-item-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}
.cart-item-remove {
  font-size: 0.75rem;
  color: var(--color-error);
  cursor: pointer;
  margin-left: auto;
}
.cart-item-remove:hover { text-decoration: underline; }
.cart-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.cart-subtotal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}
.cart-subtotal span { font-size: 0.95rem; color: var(--color-text-secondary); }
.cart-subtotal strong {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-text-primary);
}
.cart-tax-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  text-align: center;
}
.cart-empty {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-text-muted);
}
.cart-empty p { margin-bottom: var(--space-md); }

/* Toast */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-text-primary);
  color: #fff;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 300;
  opacity: 0;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast-success { background: var(--color-success); }
.toast-error { background: var(--color-error); }

/* Trust Badges */
.trust-badges {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}
.trust-item {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.trust-item-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
}
.trust-item-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 4px;
}
.trust-item-desc {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-md) 0;
  font-size: 0.8rem;
}
.breadcrumb-item { color: var(--color-text-muted); }
.breadcrumb-item a:hover { color: var(--color-accent); }
.breadcrumb-sep { color: var(--color-text-muted); }
.breadcrumb-item.current { color: var(--color-text-primary); font-weight: 500; }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
}
.pagination-btn {
  min-width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface);
  padding: 0 var(--space-md);
}
.pagination-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.pagination-btn.active {
  background: var(--color-accent);
  color: var(--color-accent-fg);
  border-color: var(--color-accent);
}
.pagination-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Sort Bar */
.sort-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  flex-wrap: wrap;
}
.sort-bar select {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--color-surface);
  cursor: pointer;
}
.sort-bar-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Footer */
.footer {
  background: var(--color-text-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-2xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}
.footer-logo span { color: var(--color-secondary); }
.footer-col h3 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  padding: var(--space-xs) 0;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: #fff; }
.footer-contact {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}
.footer-contact a { display: inline; }
.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}
.social-links a {
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}
.social-links a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--color-surface-alt) 25%, var(--color-border) 50%, var(--color-surface-alt) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Policy Pages */
.policy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl) 0;
}
.policy-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.policy-sidebar h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}
.policy-sidebar a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}
.policy-sidebar a:hover { color: var(--color-accent); }
.policy-sidebar a.active { color: var(--color-accent); font-weight: 600; }
.policy-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}
.policy-content h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}
.policy-content h2 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text-primary);
}
.policy-content p {
  margin-bottom: var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.policy-content ul, .policy-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}
.policy-content li { margin-bottom: var(--space-sm); font-size: 0.9rem; color: var(--color-text-secondary); }
.policy-content ul { list-style: disc; }
.policy-content ol { list-style: decimal; }

/* Page Content */
.page-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
}
.page-content h1 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}
.page-content h2 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text-primary);
}
.page-content h3 {
  font-size: 1.1rem;
  margin: var(--space-lg) 0 var(--space-sm);
  color: var(--color-text-primary);
}
.page-content p {
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.page-content ul, .page-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}
.page-content li { margin-bottom: var(--space-sm); font-size: 0.95rem; color: var(--color-text-secondary); }
.page-content ul { list-style: disc; }
.page-content ol { list-style: decimal; }
.page-content img { max-width: 100%; border-radius: var(--radius-md); margin: var(--space-md) 0; }
.page-content table { margin: var(--space-md) 0; }
.page-content th, .page-content td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.9rem;
}
.page-content th { background: var(--color-surface-alt); font-weight: 600; }

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 600px;
  margin: var(--space-lg) 0;
}
.contact-form input, .contact-form textarea {
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  width: 100%;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: var(--color-accent);
  outline: none;
}
.contact-form label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

/* 404 Page */
.error-page {
  text-align: center;
  padding: var(--space-3xl) 0;
}
.error-page h1 {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.error-page p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: var(--space-md) 0 var(--space-xl);
}

/* FAQ Section */
.faq-section {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  cursor: pointer;
  text-align: left;
  background: none;
  border: none;
}
.faq-question:hover { color: var(--color-accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.faq-item.open .faq-answer { max-height: 400px; padding-bottom: var(--space-md); }

/* Benefits/Why Choose Us */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.benefit-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}
.benefit-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
}
.benefit-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}
.benefit-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Stats Section */
.stats-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  text-align: center;
  padding: var(--space-xl) 0;
}
.stat-item {
  padding: var(--space-lg);
}
.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--space-sm);
}

/* Collection Hero */
.collection-hero {
  position: relative;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  text-align: center;
}
.collection-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,74,94,0.85) 0%, rgba(10,58,74,0.7) 100%);
}
.collection-hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) var(--space-lg);
  max-width: 800px;
}
.collection-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}
.collection-hero p {
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
}

/* Responsive Breakpoints */
@media (min-width: 640px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .trust-badges { grid-template-columns: repeat(4, 1fr); }
  .stats-section { grid-template-columns: repeat(4, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 3.5rem; }
}

@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
  .policy-layout { grid-template-columns: 240px 1fr; }
  .hero-title { font-size: 4rem; }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .product-layout { grid-template-columns: 1fr 1fr; gap: var(--space-2xl); }
  .nav-links { display: flex; }
  .hamburger { display: none; }
  .section-title { font-size: 2.5rem; }
  .hero-title { font-size: 4.5rem; }
  .hero { min-height: 640px; }
}

@media (min-width: 1280px) {
  .container { padding: 0 var(--space-xl); }
}

@media (max-width: 1023px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
}