/* ============================================
   PROFESSIONAL BROADCAST CAMERA
   Ultra-Premium Professional Equipment Storefront
   Design System — Dark, Technical, Cinematic
   ============================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { line-height: 1.6; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* --- Design Tokens --- */
:root {
  /* Color Palette — Dark Cinematic Professional */
  --color-bg: #0a0a0b;
  --color-surface: #141416;
  --color-surface-alt: #1a1a1e;
  --color-surface-elevated: #222227;
  --color-border: #2a2a30;
  --color-border-light: #353540;
  --color-text-primary: #f0f0f2;
  --color-text-secondary: #a0a0a8;
  --color-text-muted: #6a6a72;
  --color-accent: #c8a04a;
  --color-accent-hover: #d8b25a;
  --color-accent-fg: #0a0a0b;
  --color-accent-dim: rgba(200, 160, 74, 0.12);
  --color-success: #4a9d5f;
  --color-warning: #c89a3a;
  --color-error: #c84a4a;
  --color-info: #4a7d9d;

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

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 30px rgba(200, 160, 74, 0.15);

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

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --container-max: 1280px;
  --nav-height: 64px;
  --announcement-height: 40px;
}

/* --- Base Layout --- */
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 15px;
  overflow-x: hidden;
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-transform: uppercase;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: var(--space-md); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 28px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-fg);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}
.btn-secondary:hover {
  background: var(--color-border-light);
  border-color: var(--color-accent);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border-light);
}
.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-lg { padding: 16px 40px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.75rem; }
.btn:disabled, .btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-full { width: 100%; }

/* --- Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
}
.badge-sale { background: var(--color-accent); color: var(--color-accent-fg); }
.badge-new { background: var(--color-success); color: #fff; }
.badge-out { background: var(--color-error); color: #fff; }
.badge-count {
  background: var(--color-accent);
  color: var(--color-accent-fg);
  border-radius: var(--radius-full);
  min-width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0 6px;
}

/* --- Announcement Bar --- */
.announcement-bar {
  background: var(--color-surface-elevated);
  border-bottom: 1px solid var(--color-border);
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}
.announcement-bar strong { color: var(--color-accent); }

/* --- Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}
.nav-logo {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.nav-logo span { color: var(--color-accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex: 1;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  padding: 8px 0;
  position: relative;
}
.nav-link:hover { color: var(--color-accent); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover::after { width: 100%; }
.nav-dropdown {
  position: relative;
}
.nav-dropdown-content {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  min-width: 220px;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}
.nav-dropdown:hover .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-dropdown-content a {
  display: block;
  padding: 8px var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-dropdown-content a:hover {
  color: var(--color-accent);
  background: var(--color-surface-alt);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.nav-icon-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}
.nav-icon-btn:hover { color: var(--color-accent); background: var(--color-surface-alt); }
.nav-cart-wrap { position: relative; }
.nav-cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
}

/* Search in nav */
.nav-search {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-sm);
  transition: border-color var(--transition-fast);
  width: 200px;
}
.nav-search:focus-within { border-color: var(--color-accent); }
.nav-search input {
  background: none;
  border: none;
  outline: none;
  padding: 8px;
  font-size: 0.85rem;
  width: 100%;
  color: var(--color-text-primary);
}
.nav-search input::placeholder { color: var(--color-text-muted); }

/* Search results dropdown */
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  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;
  z-index: 200;
}
.search-results.show { display: block; }
.search-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  transition: background var(--transition-fast);
}
.search-item:hover { background: var(--color-surface-alt); }
.search-item img { width: 48px; height: 48px; border-radius: var(--radius-sm); object-fit: cover; }
.search-item-info { flex: 1; min-width: 0; }
.search-item-title { font-size: 0.85rem; color: var(--color-text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-item-price { font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-accent); }

/* --- Mobile Menu --- */
.hamburger {
  display: none;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 6px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: calc(var(--nav-height) + var(--announcement-height));
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-xl);
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-base);
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-link {
  display: block;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu-link:hover { color: var(--color-accent); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,11,0.92) 0%, rgba(10,10,11,0.7) 50%, rgba(10,10,11,0.4) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding: var(--space-3xl) var(--space-lg);
}
.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  margin-bottom: var(--space-lg);
}
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 540px;
}
.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Sections --- */
.section { padding: var(--space-3xl) 0; }
.section-alt { background: var(--color-surface); }
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-title {
  margin-bottom: var(--space-sm);
}
.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}
.section-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

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

/* --- 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 {
  border-color: var(--color-border-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.product-card-img-wrap {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--color-surface-alt);
}
.product-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-card-img-wrap img { transform: scale(1.05); }
.product-card-badges {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  z-index: 2;
}
.product-card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-card-vendor {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}
.product-card-title {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-card-title a:hover { color: var(--color-accent); }
.product-card-price-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  margin-top: auto;
}
.product-card-price {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
}
.product-card-compare-price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-decoration: line-through;
}
.product-card-atc {
  width: 100%;
  padding: 10px;
  font-size: 0.8rem;
}

/* --- 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-slow);
}
.collection-card:hover img { transform: scale(1.08); }
.collection-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,11,0.9) 0%, rgba(10,10,11,0.3) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}
.collection-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
}
.collection-card-count {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
}

/* --- 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 { border-color: var(--color-border-light); transform: translateY(-2px); }
.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-meta { font-size: 0.75rem; color: var(--color-text-muted); margin-bottom: var(--space-sm); }
.blog-card-title { font-size: 1.1rem; margin-bottom: var(--space-sm); }
.blog-card-excerpt { font-size: 0.9rem; color: var(--color-text-secondary); }

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

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

/* Image zoom overlay */
.zoom-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}
.zoom-overlay.show { display: flex; }
.zoom-overlay img { max-width: 90vw; max-height: 90vh; object-fit: contain; }
.zoom-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
}

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}
.product-vendor {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.product-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.15;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.rating-stars { color: var(--color-accent); font-size: 1rem; letter-spacing: 2px; }
.rating-text { font-size: 0.85rem; color: var(--color-text-secondary); }

.product-price-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.product-price {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  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;
}
.product-save-badge {
  background: var(--color-accent-dim);
  color: var(--color-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Variant selectors */
.option-group { margin-bottom: var(--space-md); }
.option-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.option-btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.option-btn {
  padding: 8px 18px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  background: var(--color-surface);
}
.option-btn:hover { border-color: var(--color-accent); color: var(--color-text-primary); }
.option-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
  color: var(--color-accent);
}
.option-btn.unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Quantity control */
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}
.qty-btn {
  width: 40px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}
.qty-btn:hover { background: var(--color-surface-alt); color: var(--color-accent); }
.qty-input {
  width: 50px;
  height: 44px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  background: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-primary);
  outline: none;
}

/* ATC buttons row */
.product-atc-row {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}
.product-atc-row .btn { flex: 1; min-width: 180px; }

/* Availability */
.availability-msg {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.85rem;
  padding: var(--space-sm) 0;
}
.availability-msg.in-stock { color: var(--color-success); }
.availability-msg.low-stock { color: var(--color-warning); }
.availability-msg.out-stock { color: var(--color-error); }

/* Short description */
.product-short-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Accordions */
.product-accordions { margin-top: var(--space-lg); }
.accordion {
  border-top: 1px solid var(--color-border);
}
.accordion:last-child { border-bottom: 1px solid var(--color-border); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
}
.accordion-header:hover { color: var(--color-accent); }
.accordion-icon {
  font-size: 1.2rem;
  transition: transform var(--transition-base);
  color: var(--color-text-muted);
}
.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: 2000px; }
.accordion-body-inner {
  padding: 0 0 var(--space-md);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}
.accordion-body-inner h3, .accordion-body-inner h4 {
  font-size: 1rem;
  margin: var(--space-md) 0 var(--space-sm);
}
.accordion-body-inner ul { list-style: disc; padding-left: var(--space-lg); margin-bottom: var(--space-md); }
.accordion-body-inner li { margin-bottom: var(--space-xs); }
.accordion-body-inner p { margin-bottom: var(--space-sm); }

/* Sticky ATC */
.sticky-atc {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-md) var(--space-lg);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  transform: translateY(100%);
  transition: transform var(--transition-base);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}
.sticky-atc.visible { transform: translateY(0); }
.sticky-atc-product {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex: 1;
  min-width: 0;
}
.sticky-atc-product img { width: 50px; height: 50px; 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;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-atc-product-price { font-family: var(--font-mono); font-size: 0.9rem; color: var(--color-accent); }

/* --- Reviews --- */
.reviews-section { padding: var(--space-2xl) 0; }
.reviews-summary {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}
.reviews-avg {
  text-align: center;
}
.reviews-score {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-accent);
  line-height: 1;
}
.reviews-stars { color: var(--color-accent); font-size: 1.2rem; margin: var(--space-xs) 0; }
.reviews-count { font-size: 0.85rem; color: var(--color-text-muted); }
.reviews-bars {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.rating-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
}
.rating-bar-label { width: 40px; color: var(--color-text-muted); }
.rating-bar-track {
  flex: 1;
  height: 6px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.rating-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
}
.rating-bar-count { width: 30px; text-align: right; color: var(--color-text-muted); }

.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;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.review-author-name { font-weight: 600; font-size: 0.9rem; }
.review-verified {
  font-size: 0.7rem;
  color: var(--color-success);
  display: flex;
  align-items: center;
  gap: 4px;
}
.review-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-sm);
}
.review-body { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; }
.review-date { font-size: 0.75rem; color: var(--color-text-muted); }

/* --- Trust Badges --- */
.trust-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  padding: var(--space-xl) 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.trust-item-icon {
  font-size: 1.5rem;
  color: var(--color-accent);
  flex-shrink: 0;
}
.trust-item-text { font-size: 0.85rem; }
.trust-item-title { font-weight: 600; color: var(--color-text-primary); }
.trust-item-desc { color: var(--color-text-muted); font-size: 0.8rem; }

/* --- Cart Drawer --- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.cart-overlay.show { opacity: 1; visibility: visible; }
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  z-index: 201;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
.cart-drawer-header h2 {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.cart-close {
  font-size: 1.5rem;
  color: var(--color-text-muted);
  line-height: 1;
}
.cart-close:hover { color: var(--color-accent); }
.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: 70px; height: 70px; 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; margin-bottom: var(--space-xs); }
.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: 0.9rem; color: var(--color-accent); }
.cart-item-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-sm);
}
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}
.cart-item-qty-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}
.cart-item-qty-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.cart-item-qty-val { font-family: var(--font-mono); font-size: 0.85rem; min-width: 24px; text-align: center; }
.cart-item-remove { font-size: 0.75rem; color: var(--color-text-muted); }
.cart-item-remove:hover { color: var(--color-error); }
.cart-empty {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-text-muted);
}
.cart-empty-icon { font-size: 3rem; margin-bottom: var(--space-md); }
.cart-footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.cart-subtotal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}
.cart-subtotal span { font-size: 0.9rem; color: var(--color-text-secondary); }
.cart-subtotal strong { font-family: var(--font-mono); font-size: 1.2rem; color: var(--color-accent); }
.cart-tax-note { font-size: 0.75rem; color: var(--color-text-muted); margin-bottom: var(--space-md); text-align: center; }
.cart-footer .btn { margin-bottom: var(--space-sm); }

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  z-index: 9999;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  max-width: 350px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast-success { background: var(--color-success); color: #fff; }
.toast-error { background: var(--color-error); color: #fff; }
.toast-info { background: var(--color-info); color: #fff; }

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  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;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  padding: 0 var(--space-sm);
}
.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: 0.3; cursor: not-allowed; }

/* --- Sort Bar --- */
.sort-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}
.sort-bar-label { font-size: 0.85rem; color: var(--color-text-muted); }
.sort-select {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 8px var(--space-md);
  font-size: 0.85rem;
  color: var(--color-text-primary);
  cursor: pointer;
}
.sort-select:focus { outline: none; border-color: var(--color-accent); }

/* --- Collection Hero --- */
.collection-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.collection-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.collection-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,10,11,0.9) 0%, rgba(10,10,11,0.5) 100%);
}
.collection-hero-content {
  position: relative;
  z-index: 1;
  padding: var(--space-2xl) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}
.collection-hero-title {
  font-size: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: var(--space-sm);
}
.collection-hero-desc {
  color: var(--color-text-secondary);
  max-width: 600px;
  font-size: 0.95rem;
}

/* --- Footer --- */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-2xl) 0 var(--space-lg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}
.footer-col h4 {
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-accent); }
.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}
.footer-logo span { color: var(--color-accent); }
.footer-about { font-size: 0.85rem; color: var(--color-text-secondary); margin-bottom: var(--space-md); max-width: 300px; }
.social-links {
  display: flex;
  gap: var(--space-sm);
}
.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  font-size: 1rem;
}
.social-link:hover { border-color: var(--color-accent); color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-contact { font-size: 0.8rem; color: var(--color-text-muted); }
.footer-contact a:hover { color: var(--color-accent); }

/* --- Contact Form --- */
.contact-form { max-width: 600px; }
.form-group { margin-bottom: var(--space-md); }
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
}
.form-input, .form-textarea {
  width: 100%;
  padding: 12px var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
}
.form-input:focus, .form-textarea:focus { outline: none; border-color: var(--color-accent); }
.form-textarea { min-height: 120px; resize: vertical; }

/* --- Page Content --- */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) 0;
}
.page-content h1 { margin-bottom: var(--space-md); }
.page-content h2, .page-content h3 { margin: var(--space-lg) 0 var(--space-sm); }
.page-content p { margin-bottom: var(--space-md); color: var(--color-text-secondary); }
.page-content ul, .page-content ol { padding-left: var(--space-lg); margin-bottom: var(--space-md); }
.page-content li { margin-bottom: var(--space-xs); color: var(--color-text-secondary); }
.page-content img { border-radius: var(--radius-md); margin: var(--space-md) 0; }
.page-content a { color: var(--color-accent); text-decoration: underline; }
.page-content code { font-family: var(--font-mono); background: var(--color-surface-alt); padding: 2px 6px; border-radius: var(--radius-sm); }

/* --- FAQ --- */
.faq-section { max-width: 800px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.faq-question:hover { color: var(--color-accent); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.faq-item.open .faq-answer { max-height: 1000px; }
.faq-answer-inner { padding: 0 0 var(--space-md); color: var(--color-text-secondary); font-size: 0.9rem; line-height: 1.7; }

/* --- Testimonials --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}
.testimonial-stars { color: var(--color-accent); font-size: 1.1rem; margin-bottom: var(--space-md); }
.testimonial-text { font-size: 0.95rem; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: var(--space-md); font-style: italic; }
.testimonial-author { font-weight: 600; font-size: 0.85rem; }
.testimonial-role { font-size: 0.8rem; color: var(--color-text-muted); }

/* --- Benefits Section --- */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.benefit-card {
  text-align: center;
  padding: var(--space-xl);
}
.benefit-icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}
.benefit-title {
  font-size: 1.1rem;
  margin-bottom: var(--space-sm);
}
.benefit-desc { font-size: 0.9rem; color: var(--color-text-secondary); }

/* --- CTA Section --- */
.cta-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl);
  text-align: center;
  margin: var(--space-2xl) 0;
}
.cta-section h2 { margin-bottom: var(--space-md); }
.cta-section p { color: var(--color-text-secondary); margin-bottom: var(--space-lg); max-width: 500px; margin-left: auto; margin-right: auto; }

/* --- 404 --- */
.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}
.error-code {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 15vw, 10rem);
  color: var(--color-accent);
  line-height: 1;
}
.error-message { font-size: 1.2rem; color: var(--color-text-secondary); margin-bottom: var(--space-xl); }

/* --- Skeleton --- */
.skeleton {
  background: linear-gradient(90deg, var(--color-surface) 0%, var(--color-surface-alt) 50%, var(--color-surface) 100%);
  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; }
}

/* --- Animations --- */
@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); }
}
.fade-in { animation: fadeIn var(--transition-slow) ease; }
.slide-up { animation: slideUp var(--transition-slow) ease; }

/* --- Accessibility --- */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}
.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;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Spinner --- */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* --- Loading state --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10,10,11,0.8);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
}
.loading-overlay.show { display: flex; }

/* --- Responsive Breakpoints --- */

/* 640px and up */
@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .trust-badges { grid-template-columns: repeat(4, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* 768px and up */
@media (min-width: 768px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(4, 1fr); }
  .product-layout { grid-template-columns: 1fr 1fr; }
  .nav-search { width: 240px; }
}

/* 1024px and up */
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .hamburger { display: none; }
  .mobile-menu { display: none; }
  .nav-links { display: flex; }
}

/* Below 1024px — show mobile menu, hide desktop nav links */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-search { display: none; }
  .product-layout { grid-template-columns: 1fr; }
}

/* Below 640px */
@media (max-width: 639px) {
  .hero { min-height: 500px; }
  .hero-content { padding: var(--space-2xl) var(--space-lg); }
  .section { padding: var(--space-2xl) 0; }
  .product-atc-row { flex-direction: column; }
  .product-atc-row .btn { min-width: 100%; }
  .sticky-atc { padding: var(--space-sm) var(--space-md); }
  .sticky-atc-product img { width: 40px; height: 40px; }
  .toast { right: var(--space-md); left: var(--space-md); bottom: var(--space-md); max-width: none; }
  .cart-drawer { max-width: 100%; }
}