/* ============================================
   Strapcrest — Design System
   Inspired by WatchGecko aesthetic
   ============================================ */

/* ---------- Design Tokens ---------- */
:root {
  /* Brand Colors */
  --color-primary: #1a1a2e;        /* Deep navy — primary brand */
  --color-primary-dark: #0f0f1a;
  --color-primary-light: #2d2d44;
  --color-accent: #c9a961;          /* Refined gold — luxury accent */
  --color-accent-dark: #b8954a;
  --color-accent-light: #d4b876;

  /* Neutrals */
  --color-bg: #fafafa;
  --color-bg-alt: #f4f4f6;
  --color-bg-dark: #1a1a2e;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-border: #e0e0e5;
  --color-border-light: #ececf0;
  --color-divider: #f0f0f3;

  /* Text */
  --color-text: #1a1a2e;
  --color-text-secondary: #555560;
  --color-text-muted: #888894;
  --color-text-inverse: #ffffff;
  --color-text-on-accent: #1a1a2e;

  /* Status */
  --color-success: #2d8659;
  --color-warning: #d4a017;
  --color-error: #c0392b;
  --color-info: #2980b9;

  /* Sale / Price */
  --color-sale: #c0392b;
  --color-price: #1a1a2e;

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;

  /* Font Weights */
  --weight-light: 300;
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 800px;
  --container-wide: 1600px;
  --header-height: 72px;
  --announcement-height: 40px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);

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

  /* Z-index */
  --z-header: 100;
  --z-dropdown: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }

/* ---------- Layout Utilities ---------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-xl); }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--space-xl); }

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.flex-wrap { flex-wrap: wrap; }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.gap-grid { gap: var(--space-xl); }

.text-center { text-align: center; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.visible { display: block; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: var(--weight-semibold); line-height: 1.2; }
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

.display-text { font-family: var(--font-display); }
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}
.section-title {
  font-size: var(--text-3xl);
  text-align: center;
  margin-bottom: var(--space-xl);
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: var(--space-md) auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-on-accent);
}
.btn-accent:hover { background: var(--color-accent-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}
.btn-ghost:hover { color: var(--color-primary); background: var(--color-bg-alt); }
.btn-lg { padding: var(--space-lg) var(--space-2xl); font-size: var(--text-base); }
.btn-sm { padding: var(--space-sm) var(--space-md); font-size: var(--text-xs); }
.btn-block { display: flex; width: 100%; }

/* ---------- Badges & Tags ---------- */
.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-sale { background: var(--color-sale); color: #fff; }
.badge-new { background: var(--color-success); color: #fff; }
.badge-best { background: var(--color-accent); color: var(--color-text-on-accent); }
.badge-out { background: var(--color-text-muted); color: #fff; }

/* ---------- Announcement Bar ---------- */
.announcement-bar {
  background: var(--color-primary);
  color: #fff;
  height: var(--announcement-height);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.03em;
  overflow: hidden;
  position: relative;
}
.announcement-bar .ann-text {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.announcement-bar strong { color: var(--color-accent); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}
.header-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.header-logo .accent { color: var(--color-accent); }

/* Nav */
.main-nav { flex: 1; }
.main-nav ul { display: flex; gap: var(--space-lg); }
.main-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
  position: relative;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }

/* Dropdown */
.nav-item { position: relative; }
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: -20px;
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}
.nav-item:hover .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-dropdown a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
}
.nav-dropdown a:hover { background: var(--color-bg-alt); }

/* Header actions */
.header-actions { display: flex; align-items: center; gap: var(--space-md); }
.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}
.icon-btn:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.icon-btn svg { width: 22px; height: 22px; }
.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--color-accent);
  color: var(--color-text-on-accent);
  font-size: 10px;
  font-weight: var(--weight-bold);
  min-width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 50%, rgba(201,169,97,0.15) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(255,255,255,0.05) 0%, transparent 40%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: var(--space-3xl) 0;
}
.hero .eyebrow { color: var(--color-accent); }
.hero h1 {
  font-size: var(--text-5xl);
  color: #fff;
  margin: var(--space-md) 0 var(--space-lg);
  line-height: 1.1;
}
.hero p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.8);
  margin-bottom: var(--space-2xl);
}
.hero-actions { display: flex; gap: var(--space-md); flex-wrap: wrap; }

/* ---------- Hero Slider ---------- */
.hero-slider {
  position: relative;
  overflow: hidden;
}
.hero-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.hero-slide {
  flex-shrink: 0;
  position: relative;
}
.hero-slide-inner {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.hero-slide-inner .hero-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: var(--space-3xl) 0;
}
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  opacity: 0;
}
.hero-slider:hover .hero-arrow { opacity: 1; }
.hero-arrow:hover { background: rgba(255,255,255,0.3); }
.hero-prev { left: 1rem; }
.hero-next { right: 1rem; }
.hero-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 0.5rem;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}
.hero-dot.active {
  background: var(--color-accent);
  width: 32px;
  border-radius: 5px;
}
.hero-dot:hover { background: rgba(255,255,255,0.7); }

@media (max-width: 768px) {
  .hero-slide-inner { min-height: 440px; }
  .hero-slide-inner .hero-content h1 { font-size: var(--text-4xl); }
  .hero-arrow { opacity: 1; width: 40px; height: 40px; }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-xl);
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.trust-item svg { width: 24px; height: 24px; color: var(--color-accent); flex-shrink: 0; }
.trust-rating { display: flex; align-items: center; gap: var(--space-sm); }
.stars { color: var(--color-accent); letter-spacing: 2px; }

/* ---------- Category Cards ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}
.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--color-bg-alt);
  cursor: pointer;
  transition: transform var(--transition-base);
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card .cat-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,26,46,0.8) 0%, transparent 50%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-xl);
}
.category-card .cat-title { color: #fff; font-size: var(--text-xl); margin-bottom: var(--space-xs); }
.category-card .cat-link {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- Product Card ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}
.product-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-border);
}
.product-card .product-image {
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  overflow: hidden;
  position: relative;
}
.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-image img { transform: scale(1.05); }
.product-card .product-badges {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}
.product-card .product-info { padding: var(--space-md); }
.product-card .product-category {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}
.product-card .product-name {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
}
.product-card .product-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-sm);
}
.product-card .price-sale { font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--color-sale); }
.product-card .price-regular { font-size: var(--text-sm); color: var(--color-text-muted); text-decoration: line-through; }
.product-card .price-normal { font-size: var(--text-lg); font-weight: var(--weight-bold); color: var(--color-text); }

/* ---------- Section Spacing ---------- */
.section { padding: var(--space-3xl) 0; }
.section-sm { padding: var(--space-2xl) 0; }
.section-tight { padding: var(--space-xl) 0; }
.section-dark { background: var(--color-primary); color: #fff; }
.section-alt { background: var(--color-bg-alt); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255,255,255,0.7);
  padding: var(--space-3xl) 0 var(--space-xl);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}
.footer-brand h3 { color: #fff; margin-bottom: var(--space-md); }
.footer-brand p { font-size: var(--text-sm); max-width: 300px; }
.footer-col h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-sm); }
.footer-col a { font-size: var(--text-sm); color: rgba(255,255,255,0.6); }
.footer-col a:hover { color: var(--color-accent); }
.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;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-payment { display: flex; gap: var(--space-sm); }
.footer-payment span {
  background: rgba(255,255,255,0.1);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

/* ---------- Newsletter ---------- */
.newsletter {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2xl) 0;
  text-align: center;
}
.newsletter h2 { color: #fff; }
.newsletter p { color: rgba(255,255,255,0.7); margin-bottom: var(--space-lg); }
.newsletter-form {
  display: flex;
  max-width: 480px;
  margin: 0 auto;
  gap: var(--space-sm);
}
.newsletter-form input {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}
.newsletter-form input:focus { outline: none; border-color: var(--color-accent); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-md) 0;
}
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb .sep::before { content: '/'; color: var(--color-border); }

/* ---------- Sidebar Filter ---------- */
.sidebar-filter {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}
.filter-group { margin-bottom: var(--space-xl); }
.filter-group:last-child { margin-bottom: 0; }
.filter-group h4 {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
}
.filter-option:hover { color: var(--color-primary); }
.filter-option input[type="checkbox"] { accent-color: var(--color-primary); }
.filter-option .count { margin-left: auto; color: var(--color-text-muted); font-size: var(--text-xs); }

/* ---------- Product Detail ---------- */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3xl); padding: var(--space-2xl) 0; }
.product-gallery .main-image {
  aspect-ratio: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg-alt);
  margin-bottom: var(--space-md);
}
.product-gallery .main-image img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery .thumb-row { display: flex; gap: var(--space-sm); }
.product-gallery .thumb {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid var(--color-border);
  cursor: pointer;
}
.product-gallery .thumb.active { border-color: var(--color-accent); }
.product-gallery .thumb img { width: 100%; height: 100%; object-fit: cover; }

.product-info-detail h1 { font-size: var(--text-3xl); margin-bottom: var(--space-sm); }
.product-info-detail .rating-row { display: flex; align-items: center; gap: var(--space-sm); margin-bottom: var(--space-lg); }
.product-info-detail .price-row { display: flex; align-items: baseline; gap: var(--space-md); margin-bottom: var(--space-lg); }
.product-info-detail .price-row .price-now { font-size: var(--text-2xl); font-weight: var(--weight-bold); }
.product-info-detail .price-row .price-old { font-size: var(--text-lg); color: var(--color-text-muted); text-decoration: line-through; }

.product-meta { border-top: 1px solid var(--color-divider); padding-top: var(--space-lg); margin-bottom: var(--space-lg); }
.product-meta dl { display: grid; grid-template-columns: 140px 1fr; gap: var(--space-sm) var(--space-md); }
.product-meta dt { font-size: var(--text-sm); color: var(--color-text-muted); font-weight: var(--weight-medium); }
.product-meta dd { font-size: var(--text-sm); color: var(--color-text); }

/* Size selector */
.size-selector { margin-bottom: var(--space-lg); }
.size-selector h4 { font-family: var(--font-body); font-size: var(--text-sm); margin-bottom: var(--space-sm); }
.size-options { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.size-option {
  min-width: 52px;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.size-option:hover { border-color: var(--color-primary); }
.size-option.selected { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-text-on-accent); }
.size-option.disabled { opacity: 0.4; cursor: not-allowed; text-decoration: line-through; }

/* Quantity */
.qty-selector { display: flex; align-items: center; border: 2px solid var(--color-border); border-radius: var(--radius-sm); overflow: hidden; width: fit-content; }
.qty-selector button { width: 44px; height: 44px; font-size: var(--text-lg); color: var(--color-text-secondary); }
.qty-selector button:hover { background: var(--color-bg-alt); }
.qty-selector input { width: 52px; height: 44px; text-align: center; border: none; border-left: 2px solid var(--color-border); border-right: 2px solid var(--color-border); font-weight: var(--weight-semibold); }

/* ---------- Forms ---------- */
.form-group { margin-bottom: var(--space-lg); }
.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}
.form-label .req { color: var(--color-error); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  transition: border-color var(--transition-fast);
  background: var(--color-surface);
}
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--color-primary); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-hint { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: var(--space-xs); }
.form-error { font-size: var(--text-xs); color: var(--color-error); margin-top: var(--space-xs); }

/* ---------- Cart ---------- */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: var(--space-2xl); padding: var(--space-2xl) 0; }
.cart-items { display: flex; flex-direction: column; gap: var(--space-md); }
.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto auto;
  gap: var(--space-lg);
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.cart-item img { width: 100px; height: 100px; object-fit: cover; border-radius: var(--radius-sm); }
.cart-item .ci-name { font-weight: var(--weight-medium); margin-bottom: var(--space-xs); }
.cart-item .ci-variant { font-size: var(--text-sm); color: var(--color-text-muted); }
.cart-summary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  position: sticky;
  top: calc(var(--header-height) + var(--space-md));
  align-self: start;
}
.cart-summary h3 { margin-bottom: var(--space-lg); }
.summary-row { display: flex; justify-content: space-between; padding: var(--space-sm) 0; font-size: var(--text-sm); }
.summary-row.total { border-top: 1px solid var(--color-divider); margin-top: var(--space-md); padding-top: var(--space-md); font-size: var(--text-lg); font-weight: var(--weight-bold); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .product-grid, .category-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cart-layout { grid-template-columns: 1fr; }
  .product-detail { grid-template-columns: 1fr; gap: var(--space-xl); }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; --container-max: 100%; }
  .container, .container-narrow, .container-wide { padding: 0 var(--space-md); }
  .hero { min-height: 440px; }
  .hero h1 { font-size: var(--text-4xl); }
  .main-nav { display: none; }
  .trust-bar { flex-direction: column; gap: var(--space-md); text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .cart-item { grid-template-columns: 80px 1fr; }
  .cart-item .ci-price, .cart-item .ci-remove { grid-column: 2; }
}
@media (max-width: 480px) {
  .product-grid, .category-grid { grid-template-columns: 1fr; }
  h1 { font-size: var(--text-3xl); }
  h2 { font-size: var(--text-2xl); }
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
.animate-fade-up { animation: fadeInUp 0.6s ease forwards; }
.animate-fade { animation: fadeIn 0.4s ease forwards; }

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.toast {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  animation: slideInRight 0.3s ease forwards;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.toast.success { background: var(--color-success); }
.toast.error { background: var(--color-error); }

/* ---------- Loader ---------- */
.loader {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Drawer (Cart / Mobile nav) ---------- */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100%;
  background: var(--color-surface);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: var(--space-lg); border-bottom: 1px solid var(--color-border); }
.drawer-body { flex: 1; overflow-y: auto; padding: var(--space-lg); }
.drawer-footer { border-top: 1px solid var(--color-border); padding: var(--space-lg); }