/* ============================================================
   MR CHERRY — Main Stylesheet
   Premium Computer Hardware E-Commerce
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Brand Colors */
  --color-primary: #C8102E;
  --color-primary-dark: #A50D26;
  --color-primary-light: #E63946;
  --color-accent: #E63946;

  /* Neutrals */
  --color-bg: #F7F7F8;
  --color-card: #FFFFFF;
  --color-border: #E8E8EC;
  --color-text: #18181B;
  --color-text-secondary: #52525B;
  --color-grey: #6B7280;
  --color-grey-light: #9CA3AF;
  --color-grey-lighter: #E5E7EB;

  /* Dark */
  --color-dark: #18181B;
  --color-dark-2: #27272A;
  --color-dark-3: #3F3F46;

  /* Status */
  --color-success: #16A34A;
  --color-success-bg: #F0FDF4;
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;
  --color-warning: #D97706;
  --color-warning-bg: #FFFBEB;
  --color-info: #2563EB;
  --color-info-bg: #EFF6FF;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;

  --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: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.2;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -1px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.07), 0 4px 6px -2px rgba(0,0,0,0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.03);
  --shadow-2xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --shadow-primary: 0 4px 14px rgba(200,16,46,0.3);
  --shadow-primary-lg: 0 8px 25px rgba(200,16,46,0.35);

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

/* Font Awesome Color Fix */
i, svg { color: currentColor; }
.fa, .fas, .far, .fab { display: inline-block; }  --transition-slow: 400ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1400px;
  --header-height: 68px;
  --announcement-height: 36px;
  --sidebar-width: 260px;
}

/* ============================================================
   2. MODERN CSS RESET
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

svg {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

/* Lucide icon SVGs — ensure visibility and correct sizing */
svg.lucide {
  display: inline-block;
  color: currentColor;
  stroke: currentColor;
  fill: none;
  overflow: visible;
}

/* Make <i data-lucide> placeholders invisible before Lucide replaces them */
i[data-lucide] {
  display: inline-block;
  width: 1em;
  height: 1em;
}

/* Icon sizes via attribute */
svg.lucide[width] {
  width: attr(width px);
  height: attr(height px);
}

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;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
}

p {
  line-height: var(--leading-relaxed);
}

table {
  border-collapse: collapse;
  width: 100%;
}

fieldset {
  border: none;
}

/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-sm {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

.section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-8);
  gap: var(--space-4);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--color-grey);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

.section-view-all {
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: gap var(--transition-fast);
}

.section-view-all:hover {
  gap: var(--space-2);
}

/* Grid utilities */
.grid {
  display: grid;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ============================================================
   4. ANNOUNCEMENT BAR
   ============================================================ */
.announcement-bar {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: 0.55rem var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: 0.02em;
  position: relative;
  z-index: 1000;
}

.announcement-bar a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.announcement-bar .announcement-close {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  padding: 2px;
  display: flex;
  align-items: center;
}

/* ============================================================
   5. HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-height);
  gap: var(--space-8);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 18px;
  height: 18px;
  color: white;
}

.logo-text {
  font-size: var(--text-lg);
  font-weight: var(--font-extrabold);
  color: var(--color-text);
  letter-spacing: -0.03em;
}

.logo-text span {
  color: var(--color-primary);
}

/* Main Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: var(--color-bg);
}

.nav-link svg {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg {
  transform: rotate(180deg);
}

/* Mega Menu Dropdown */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: var(--space-5);
  min-width: 640px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  z-index: 1000;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

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

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  text-decoration: none;
}

.nav-dropdown-item:hover {
  background: var(--color-bg);
}

.nav-dropdown-icon {
  width: 40px;
  height: 40px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
}

.nav-dropdown-icon svg {
  width: 20px;
  height: 20px;
}

.nav-dropdown-label {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.nav-dropdown-sublabel {
  font-size: var(--text-xs);
  color: var(--color-grey);
  margin-top: 2px;
}

.nav-dropdown-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-shrink: 0;
}

.header-action-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast), background var(--transition-fast);
  background: none;
  border: none;
  cursor: pointer;
}

.header-action-btn:hover {
  color: var(--color-text);
  background: var(--color-bg);
}

.header-action-btn svg {
  width: 20px;
  height: 20px;
}

.cart-badge,
.wishlist-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  background: var(--color-primary);
  color: white;
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  line-height: 1;
  border: 2px solid white;
}

.header-search-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-grey);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 200px;
}

.header-search-btn:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}

.header-search-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  margin-left: auto;
}

.mobile-menu-btn svg {
  width: 22px;
  height: 22px;
}

/* Mobile Menu */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 950;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
}

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background: var(--color-card);
  z-index: 960;
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.mobile-menu-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-grey);
  transition: background var(--transition-fast);
}

.mobile-menu-close:hover {
  background: var(--color-bg);
}

.mobile-menu-close svg {
  width: 20px;
  height: 20px;
}

.mobile-nav {
  padding: var(--space-4);
  flex: 1;
}

.mobile-nav-item {
  margin-bottom: var(--space-1);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.mobile-nav-link:hover {
  background: var(--color-bg);
}

.mobile-nav-link svg {
  width: 16px;
  height: 16px;
  color: var(--color-grey);
}

.mobile-nav-submenu {
  display: none;
  padding-left: var(--space-4);
  margin-top: var(--space-1);
}

.mobile-nav-submenu.open {
  display: block;
}

.mobile-nav-submenu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mobile-nav-submenu a:hover {
  background: var(--color-bg);
  color: var(--color-primary);
}

.mobile-menu-footer {
  padding: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ============================================================
   6. SEARCH OVERLAY
   ============================================================ */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-modal {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 640px;
  overflow: hidden;
  transform: translateY(-10px);
  transition: transform var(--transition-base);
}

.search-overlay.active .search-modal {
  transform: translateY(0);
}

.search-input-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.search-input-wrap svg {
  width: 20px;
  height: 20px;
  color: var(--color-grey);
  flex-shrink: 0;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: var(--text-lg);
  color: var(--color-text);
  background: transparent;
}

.search-input::placeholder {
  color: var(--color-grey-light);
}

.search-clear {
  color: var(--color-grey);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.search-clear:hover {
  color: var(--color-text);
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
  padding: var(--space-3);
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  text-decoration: none;
}

.search-result-item:hover {
  background: var(--color-bg);
}

.search-result-img {
  width: 48px;
  height: 48px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  flex-shrink: 0;
}

.search-result-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-name {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.search-result-price {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  margin-top: 2px;
}

.search-empty {
  text-align: center;
  padding: var(--space-10) var(--space-5);
  color: var(--color-grey);
  font-size: var(--text-sm);
}

/* ============================================================
   7. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.625rem var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-primary-lg);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
  border-color: var(--color-grey-lighter);
}

.btn-dark {
  background: var(--color-dark);
  color: white;
  border-color: var(--color-dark);
}

.btn-dark:hover:not(:disabled) {
  background: var(--color-dark-2);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 0.4rem var(--space-3);
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-sm svg {
  width: 14px;
  height: 14px;
}

.btn-lg {
  padding: 0.875rem var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn-lg svg {
  width: 18px;
  height: 18px;
}

.btn-xl {
  padding: 1rem var(--space-10);
  font-size: var(--text-lg);
  border-radius: var(--radius-xl);
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
}

.btn-icon svg {
  width: 18px;
  height: 18px;
}

.btn-full {
  width: 100%;
}

.btn-loading {
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 600ms linear infinite;
  margin-left: var(--space-2);
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero-section {
  position: relative;
  background: var(--color-dark);
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(200,16,46,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(200,16,46,0.08) 0%, transparent 50%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.6;
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(200,16,46,0.2) 0%, transparent 70%);
  border-radius: 50%;
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-20) var(--space-6);
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(200,16,46,0.15);
  border: 1px solid rgba(200,16,46,0.3);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-4);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: #FF6B8A;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-extrabold);
  color: #FFFFFF;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-title .highlight {
  color: var(--color-primary);
  position: relative;
}

.hero-title .highlight::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  opacity: 0.5;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.6);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
  max-width: 520px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-10);
  margin-top: var(--space-16);
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: white;
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  margin-top: 2px;
}

.hero-image {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 50%;
  max-width: 700px;
  opacity: 0.9;
}

.hero-image img {
  width: 100%;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
}

/* Floating blobs */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.15;
  animation: float 8s ease-in-out infinite;
  pointer-events: none;
}

.blob-1 {
  width: 300px;
  height: 300px;
  background: var(--color-primary);
  top: 10%;
  right: 20%;
  animation-delay: 0s;
}

.blob-2 {
  width: 200px;
  height: 200px;
  background: #FF6B8A;
  bottom: 15%;
  right: 40%;
  animation-delay: 3s;
}

/* ============================================================
   9. PRODUCT CARDS
   ============================================================ */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.product-card {
  background: var(--color-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: rgba(200,16,46,0.15);
}

.product-card-image-wrap {
  position: relative;
  aspect-ratio: 1;
  background: var(--color-bg);
  overflow: hidden;
}

.product-card-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-4);
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image-wrap img {
  transform: scale(1.05);
}

.product-card-badges {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: var(--font-bold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.6;
}

.badge-sale {
  background: var(--color-primary);
  color: white;
}

.badge-new {
  background: var(--color-dark);
  color: white;
}

.badge-hot {
  background: #F97316;
  color: white;
}

.badge-low {
  background: var(--color-warning);
  color: white;
}

.badge-out {
  background: var(--color-grey);
  color: white;
}

.product-card-actions-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3);
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.product-card:hover .product-card-actions-overlay {
  transform: translateY(0);
}

.product-card-wishlist {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 36px;
  height: 36px;
  background: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity var(--transition-base), transform var(--transition-spring);
  color: var(--color-grey);
  border: none;
  cursor: pointer;
}

.product-card:hover .product-card-wishlist {
  opacity: 1;
  transform: scale(1);
}

.product-card-wishlist:hover,
.product-card-wishlist.wishlisted {
  color: var(--color-primary);
}

.product-card-wishlist svg {
  width: 16px;
  height: 16px;
}

.product-card-body {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-brand {
  font-size: var(--text-xs);
  color: var(--color-grey);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.product-card-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.product-card-title:hover {
  color: var(--color-primary);
}

.product-card-price-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.product-card-price {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.product-card-original-price {
  font-size: var(--text-sm);
  color: var(--color-grey-light);
  text-decoration: line-through;
}

.product-card-discount {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-success);
  background: var(--color-success-bg);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.product-card-add-btn {
  width: 100%;
  padding: 0.5rem;
  background: var(--color-text);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.product-card-add-btn:hover {
  background: var(--color-primary);
  transform: translateY(-1px);
}

.product-card-add-btn svg {
  width: 15px;
  height: 15px;
}

/* Rating */
.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.stars {
  display: flex;
  gap: 1px;
  color: #FBBF24;
}

.stars svg {
  width: 12px;
  height: 12px;
}

.rating-count {
  font-size: var(--text-xs);
  color: var(--color-grey);
}

/* ============================================================
   10. CATEGORY CARDS
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-4);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  text-decoration: none;
  transition: all var(--transition-base);
  text-align: center;
}

.category-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.08), var(--shadow-md);
  transform: translateY(-2px);
}

.category-card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: background var(--transition-fast);
}

.category-card:hover .category-card-icon {
  background: rgba(200,16,46,0.08);
}

.category-card-icon svg {
  width: 28px;
  height: 28px;
}

.category-card-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.category-card-count {
  font-size: var(--text-xs);
  color: var(--color-grey);
}

/* ============================================================
   11. DEAL / BANNER SECTIONS
   ============================================================ */
.deals-section {
  background: var(--color-dark);
  position: relative;
  overflow: hidden;
}

.deals-section .section-title,
.deals-section .section-subtitle {
  color: white;
}

.deals-section .section-subtitle {
  color: rgba(255,255,255,0.5);
}

.deal-card {
  background: var(--color-dark-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.deal-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.deal-card-inner {
  padding: var(--space-6);
}

.deal-card-label {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-primary-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.deal-card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-2);
}

.deal-card-price {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

.deal-card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: contain;
  padding: var(--space-4);
}

/* Countdown timer */
.countdown {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  min-width: 52px;
}

.countdown-value {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: white;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.countdown-label {
  font-size: 10px;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Banner */
.promo-banner {
  border-radius: var(--radius-2xl);
  overflow: hidden;
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
}

.promo-banner-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
}

.promo-banner-content {
  position: relative;
  z-index: 1;
  padding: var(--space-8) var(--space-10);
}

/* ============================================================
   12. BRAND SECTION
   ============================================================ */
.brands-section {
  background: white;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.brands-grid {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
  opacity: 0.5;
  filter: grayscale(1);
  transition: opacity var(--transition-base), filter var(--transition-base);
}

.brand-logo:hover {
  opacity: 1;
  filter: grayscale(0);
}

.brand-logo img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

/* ============================================================
   13. SHOP PAGE
   ============================================================ */
.shop-page {
  padding: var(--space-8) 0 var(--space-16);
}

.shop-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-grey);
  margin-bottom: var(--space-6);
}

.shop-breadcrumb a {
  color: var(--color-grey);
  transition: color var(--transition-fast);
}

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

.shop-breadcrumb svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.shop-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  gap: var(--space-8);
  align-items: start;
}

/* Sidebar */
.shop-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  overflow: hidden;
}

.sidebar-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-clear {
  font-size: var(--text-xs);
  color: var(--color-primary);
  font-weight: var(--font-medium);
  cursor: pointer;
}

.filter-group {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.filter-group:last-child {
  border-bottom: 1px solid var(--color-border);
}

.filter-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  margin-bottom: var(--space-3);
}

.filter-group-header[aria-expanded="false"] + .filter-group-body {
  display: none;
}

.filter-group-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.filter-group-header svg {
  width: 16px;
  height: 16px;
  color: var(--color-grey);
  transition: transform var(--transition-fast);
}

.filter-group-header[aria-expanded="false"] svg {
  transform: rotate(-90deg);
}

.filter-checkbox-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.filter-checkbox-item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}

.filter-checkbox-item input[type="checkbox"]:checked {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.filter-checkbox-item input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 4px;
  width: 5px;
  height: 8px;
  border: 2px solid white;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.filter-checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
}

.filter-checkbox-count {
  font-size: var(--text-xs);
  color: var(--color-grey-light);
}

/* Price Range */
.price-range-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.price-range-input-wrap {
  position: relative;
}

.price-range-input-wrap span {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--text-sm);
  color: var(--color-grey);
  font-weight: var(--font-medium);
}

.price-range-input-wrap input {
  width: 100%;
  padding: var(--space-2) var(--space-3) var(--space-2) 28px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast);
}

.price-range-input-wrap input:focus {
  border-color: var(--color-primary);
}

.range-slider {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

.range-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
}

/* Shop Main */
.shop-main {}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
  gap: var(--space-4);
  flex-wrap: wrap;
}

.shop-count {
  font-size: var(--text-sm);
  color: var(--color-grey);
}

.shop-count strong {
  color: var(--color-text);
}

.shop-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.view-toggle {
  display: flex;
  gap: 2px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 3px;
  border: 1px solid var(--color-border);
}

.view-toggle-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: calc(var(--radius-md) - 2px);
  color: var(--color-grey);
  transition: all var(--transition-fast);
}

.view-toggle-btn.active {
  background: white;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.view-toggle-btn svg {
  width: 16px;
  height: 16px;
}

.sort-select {
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: white;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

.sort-select:focus {
  border-color: var(--color-primary);
}

/* List view */
.products-list .product-card {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  border-radius: var(--radius-lg);
}

.products-list .product-card-image-wrap {
  aspect-ratio: auto;
  height: 100%;
}

.products-list .product-card-body {
  padding: var(--space-5);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.pagination-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  background: white;
  border: 1.5px solid var(--color-border);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.pagination-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.pagination-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination-btn svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   14. PRODUCT PAGE
   ============================================================ */
.product-page {
  padding: var(--space-8) 0 var(--space-16);
}

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

/* Product Gallery */
.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
}

.gallery-main {
  aspect-ratio: 1;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-4);
  position: relative;
  cursor: zoom-in;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-8);
  transition: transform var(--transition-slow);
}

.gallery-main:hover img {
  transform: scale(1.05);
}

.gallery-thumbnails {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: var(--space-1);
}

.gallery-thumbnails::-webkit-scrollbar {
  display: none;
}

.gallery-thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  background: var(--color-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.gallery-thumb.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(200,16,46,0.15);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-2);
}

/* Product Info */
.product-info {}

.product-info-brand {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-grey);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.product-info-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.product-info-rating {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.product-info-rating .stars svg {
  width: 16px;
  height: 16px;
}

.product-reviews-link {
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Price Block */
.product-price-block {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}

.product-price-main {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.product-price-original {
  font-size: var(--text-lg);
  color: var(--color-grey-light);
  text-decoration: line-through;
  margin-right: var(--space-3);
}

.product-price-savings {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-success);
  background: var(--color-success-bg);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  margin-top: var(--space-2);
}

.product-price-tax {
  font-size: var(--text-xs);
  color: var(--color-grey);
  margin-top: var(--space-2);
}

/* Product Variants */
.product-variants {
  margin-bottom: var(--space-6);
}

.variant-group {
  margin-bottom: var(--space-5);
}

.variant-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.variant-label span {
  font-weight: var(--font-normal);
  color: var(--color-grey);
}

.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.variant-option {
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: white;
}

.variant-option:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.variant-option.selected {
  border-color: var(--color-primary);
  background: rgba(200,16,46,0.06);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}

.variant-option.unavailable {
  opacity: 0.4;
  cursor: not-allowed;
  position: relative;
}

.variant-option.unavailable::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-grey-light);
  transform: rotate(-10deg);
}

/* Quantity Selector */
.quantity-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.quantity-label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  min-width: 70px;
}

.quantity-selector {
  display: flex;
  align-items: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: white;
}

.qty-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.qty-btn:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
}

.qty-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.qty-btn svg {
  width: 16px;
  height: 16px;
}

.qty-input {
  width: 52px;
  text-align: center;
  border: none;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  outline: none;
  padding: var(--space-2) 0;
}

/* Add to Cart CTA */
.product-cta {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.add-to-cart-btn {
  flex: 1;
  padding: 0.875rem var(--space-6);
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-primary);
  letter-spacing: -0.01em;
}

.add-to-cart-btn:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-primary-lg);
  transform: translateY(-1px);
}

.add-to-cart-btn svg {
  width: 20px;
  height: 20px;
}

.wishlist-btn-lg {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-grey);
  background: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.wishlist-btn-lg:hover,
.wishlist-btn-lg.wishlisted {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(200,16,46,0.04);
}

.wishlist-btn-lg svg {
  width: 20px;
  height: 20px;
}

/* Product Meta */
.product-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-6);
}

.product-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
}

.product-meta-row svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.product-meta-row.available svg { color: var(--color-success); }
.product-meta-row.available span { color: var(--color-success); font-weight: var(--font-semibold); }
.product-meta-label { color: var(--color-grey); }

/* Product Tabs */
.product-tabs {
  margin-top: var(--space-12);
}

.tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-8);
  gap: var(--space-1);
}

.tab-btn {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-grey);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

/* Specs Table */
.specs-table {
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.specs-table th {
  background: var(--color-dark);
  color: white;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  padding: var(--space-3) var(--space-5);
  text-align: left;
  letter-spacing: 0.02em;
  width: 35%;
}

.specs-table td {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:nth-child(even) td {
  background: var(--color-bg);
}

/* Review Cards */
.review-card {
  padding: var(--space-5);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
}

.review-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.review-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-primary);
  flex-shrink: 0;
}

.review-author-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.review-date {
  font-size: var(--text-xs);
  color: var(--color-grey);
}

.review-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.review-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.review-verified {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-success);
  font-weight: var(--font-medium);
  margin-top: var(--space-2);
}

/* ============================================================
   15. CART PAGE
   ============================================================ */
.cart-page {
  padding: var(--space-8) 0 var(--space-16);
}

.cart-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-8);
  align-items: start;
}

.cart-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.cart-count-label {
  font-size: var(--text-sm);
  color: var(--color-grey);
}

.cart-clear-btn {
  font-size: var(--text-sm);
  color: var(--color-error);
  font-weight: var(--font-medium);
  cursor: pointer;
  background: none;
  border: none;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-4);
  align-items: center;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: var(--space-2);
}

.cart-item-details {}

.cart-item-brand {
  font-size: var(--text-xs);
  color: var(--color-grey);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-1);
}

.cart-item-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: var(--leading-snug);
}

.cart-item-variation {
  font-size: var(--text-xs);
  color: var(--color-grey);
  margin-bottom: var(--space-3);
}

.cart-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.cart-item-remove {
  font-size: var(--text-xs);
  color: var(--color-grey);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  background: none;
  border: none;
  transition: color var(--transition-fast);
}

.cart-item-remove:hover {
  color: var(--color-error);
}

.cart-item-remove svg {
  width: 14px;
  height: 14px;
}

.cart-item-price-col {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}

.cart-item-price {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
  color: var(--color-text);
  white-space: nowrap;
}

.cart-item-unit-price {
  font-size: var(--text-xs);
  color: var(--color-grey);
  white-space: nowrap;
}

/* Order Summary */
.order-summary {
  position: sticky;
  top: calc(var(--header-height) + var(--space-4));
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.order-summary-header {
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-base);
  font-weight: var(--font-bold);
}

.order-summary-body {
  padding: var(--space-5);
}

.summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.summary-row .label {
  color: var(--color-grey);
}

.summary-row .value {
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.summary-row.discount .value {
  color: var(--color-success);
}

.summary-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-4) 0;
}

.summary-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-base);
  font-weight: var(--font-bold);
}

.summary-total-row .value {
  font-size: var(--text-xl);
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.coupon-form {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.coupon-input {
  flex: 1;
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.coupon-input:focus {
  border-color: var(--color-primary);
}

/* ============================================================
   16. CHECKOUT PAGE
   ============================================================ */
.checkout-page {
  padding: var(--space-8) 0 var(--space-16);
}

.checkout-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--space-8);
  align-items: start;
}

.checkout-section {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  margin-bottom: var(--space-5);
}

.checkout-section-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.checkout-step-num {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  flex-shrink: 0;
}

.checkout-section-title {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
}

.checkout-section-body {
  padding: var(--space-6);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: white;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  line-height: var(--leading-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(200,16,46,0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-grey-light);
}

.form-input.error,
.form-select.error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-grey);
  margin-top: var(--space-1);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* Payment Methods */
.payment-method-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.payment-method-option {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.payment-method-option:hover {
  border-color: var(--color-primary);
  background: rgba(200,16,46,0.02);
}

.payment-method-option.selected {
  border-color: var(--color-primary);
  background: rgba(200,16,46,0.04);
}

.payment-method-radio {
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: border-color var(--transition-fast);
}

.payment-method-option.selected .payment-method-radio {
  border-color: var(--color-primary);
}

.payment-method-option.selected .payment-method-radio::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

.payment-method-icon {
  width: 40px;
  height: 28px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.payment-method-info {}

.payment-method-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.payment-method-desc {
  font-size: var(--text-xs);
  color: var(--color-grey);
  margin-top: 2px;
}

/* ============================================================
   17. AUTH PAGES
   ============================================================ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: var(--space-8) var(--space-4);
}

.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-xl);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.auth-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.auth-subtitle {
  font-size: var(--text-sm);
  color: var(--color-grey);
}

.auth-footer {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-grey);
}

.auth-footer a {
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-divider span {
  font-size: var(--text-xs);
  color: var(--color-grey);
  white-space: nowrap;
}

.social-login {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text);
  background: white;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.social-btn:hover {
  background: var(--color-bg);
  border-color: var(--color-grey-lighter);
}

.social-btn img,
.social-btn svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   18. COMPARE BAR
   ============================================================ */
.compare-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-dark);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-4) 0;
  z-index: 800;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
  box-shadow: 0 -10px 30px rgba(0,0,0,0.2);
}

.compare-bar.visible {
  transform: translateY(0);
}

.compare-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.compare-bar-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: white;
  white-space: nowrap;
}

.compare-items {
  display: flex;
  gap: var(--space-4);
  flex: 1;
}

.compare-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-3);
  min-width: 200px;
}

.compare-item-img {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.compare-item-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.compare-item-name {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.8);
  flex: 1;
  line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compare-item-remove {
  color: rgba(255,255,255,0.4);
  cursor: pointer;
  background: none;
  border: none;
  display: flex;
  align-items: center;
}

.compare-item-remove:hover {
  color: rgba(255,255,255,0.8);
}

.compare-item-remove svg {
  width: 14px;
  height: 14px;
}

.compare-item-placeholder {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(255,255,255,0.04);
  border: 1.5px dashed rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-5);
  min-width: 200px;
}

.compare-item-placeholder span {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.3);
}

.compare-bar-actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ============================================================
   19. TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  background: var(--color-dark);
  color: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-2xl);
  min-width: 300px;
  max-width: 400px;
  pointer-events: all;
  animation: slideUp 0.3s ease;
  border: 1px solid rgba(255,255,255,0.08);
}

.toast.removing {
  animation: slideDown 0.25s ease forwards;
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-icon svg {
  width: 20px;
  height: 20px;
}

.toast-success .toast-icon { color: #4ADE80; }
.toast-error .toast-icon { color: #F87171; }
.toast-warning .toast-icon { color: #FBBF24; }
.toast-info .toast-icon { color: #60A5FA; }

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  line-height: var(--leading-snug);
}

.toast-message {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

.toast-close {
  color: rgba(255,255,255,0.4);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.toast-close:hover {
  color: rgba(255,255,255,0.8);
}

.toast-close svg {
  width: 16px;
  height: 16px;
}

/* ============================================================
   20. ALERTS
   ============================================================ */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
}

.alert svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.alert-success {
  background: var(--color-success-bg);
  color: #166534;
  border-color: #BBF7D0;
}

.alert-success svg { color: var(--color-success); }

.alert-error {
  background: var(--color-error-bg);
  color: #991B1B;
  border-color: #FECACA;
}

.alert-error svg { color: var(--color-error); }

.alert-warning {
  background: var(--color-warning-bg);
  color: #92400E;
  border-color: #FDE68A;
}

.alert-warning svg { color: var(--color-warning); }

.alert-info {
  background: var(--color-info-bg);
  color: #1E40AF;
  border-color: #BFDBFE;
}

.alert-info svg { color: var(--color-info); }

/* ============================================================
   21. SKELETON / LOADING
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 14px;
  margin-bottom: var(--space-2);
  border-radius: var(--radius-sm);
}

.skeleton-text:last-child {
  width: 60%;
}

.skeleton-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.skeleton-img {
  aspect-ratio: 1;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2.5px solid rgba(200,16,46,0.2);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 600ms linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner-lg {
  width: 40px;
  height: 40px;
  border-width: 3px;
}

.spinner-white {
  border-color: rgba(255,255,255,0.3);
  border-top-color: white;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

/* ============================================================
   22. BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--color-dark);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
  z-index: 700;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   23. FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand-col {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.footer-logo-text {
  font-size: var(--text-xl);
  font-weight: var(--font-extrabold);
  color: white;
  letter-spacing: -0.03em;
}

.footer-logo-text span {
  color: var(--color-primary);
}

.footer-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-5);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.social-icon:hover {
  background: var(--color-primary);
  color: white;
}

.social-icon svg {
  width: 16px;
  height: 16px;
}

.footer-col-title {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: white;
  margin-bottom: var(--space-4);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-bottom a {
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-fast);
}

.footer-bottom a:hover {
  color: rgba(255,255,255,0.7);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-5);
}

/* ============================================================
   24. UTILITY CLASSES
   ============================================================ */
/* Text */
.text-xs    { font-size: var(--text-xs); }
.text-sm    { font-size: var(--text-sm); }
.text-base  { font-size: var(--text-base); }
.text-lg    { font-size: var(--text-lg); }
.text-xl    { font-size: var(--text-xl); }
.text-2xl   { font-size: var(--text-2xl); }
.text-3xl   { font-size: var(--text-3xl); }

.text-primary   { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-grey      { color: var(--color-grey); }
.text-white     { color: white; }
.text-success   { color: var(--color-success); }
.text-error     { color: var(--color-error); }

.font-normal    { font-weight: var(--font-normal); }
.font-medium    { font-weight: var(--font-medium); }
.font-semibold  { font-weight: var(--font-semibold); }
.font-bold      { font-weight: var(--font-bold); }
.font-extrabold { font-weight: var(--font-extrabold); }

.text-center  { text-align: center; }
.text-right   { text-align: right; }
.text-left    { text-align: left; }

.uppercase    { text-transform: uppercase; }
.lowercase    { text-transform: lowercase; }
.capitalize   { text-transform: capitalize; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Spacing */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

/* Display */
.hidden   { display: none; }
.block    { display: block; }
.inline   { display: inline; }
.inline-block { display: inline-block; }
.flex     { display: flex; }
.grid     { display: grid; }

.w-full   { width: 100%; }
.h-full   { height: 100%; }

/* Overflow */
.overflow-hidden  { overflow: hidden; }
.overflow-auto    { overflow: auto; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky   { position: sticky; }

/* Rounded */
.rounded    { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow     { box-shadow: var(--shadow-sm); }
.shadow-md  { box-shadow: var(--shadow-md); }
.shadow-lg  { box-shadow: var(--shadow-lg); }

/* ============================================================
   25. ANIMATIONS & KEYFRAMES
   ============================================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(16px); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(16px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes scaleIn {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes badgePop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.animate-fade-in { animation: fadeIn 0.3s ease; }
.animate-slide-up { animation: slideUp 0.4s ease; }
.animate-slide-in { animation: slideIn 0.3s ease; }
.animate-scale-in { animation: scaleIn 0.25s ease; }
.animate-pulse { animation: pulse 2s ease infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-float { animation: float 6s ease-in-out infinite; }

.transition-fast { transition: all var(--transition-fast); }
.transition-base { transition: all var(--transition-base); }
.transition-slow { transition: all var(--transition-slow); }

/* ============================================================
   26. EMPTY STATES
   ============================================================ */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-8);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  color: var(--color-grey-light);
}

.empty-state-icon svg {
  width: 36px;
  height: 36px;
}

.empty-state-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--color-grey);
  margin-bottom: var(--space-6);
}

/* ============================================================
   27. PAGE TITLE HEADER
   ============================================================ */
.page-header {
  background: white;
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-6) 0;
  margin-bottom: var(--space-8);
}

.page-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.page-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  letter-spacing: -0.02em;
}

/* ============================================================
   28. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Large desktop */
@media (max-width: 1200px) {
  :root {
    --container-max: 100%;
  }

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

  .category-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  .nav-dropdown {
    min-width: 540px;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .main-nav,
  .header-search-btn {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu-overlay {
    display: block;
  }

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

  .shop-layout {
    grid-template-columns: 1fr;
  }

  .shop-sidebar {
    position: static;
    display: none;
  }

  .shop-sidebar.mobile-open {
    display: block;
  }

  .product-layout {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .product-gallery {
    position: static;
  }

  .cart-layout {
    grid-template-columns: 1fr;
  }

  .order-summary {
    position: static;
  }

  .checkout-layout {
    grid-template-columns: 1fr;
  }

  .hero-image {
    display: none;
  }

  .hero-section {
    min-height: 70vh;
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .section {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

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

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  .cart-item {
    grid-template-columns: 80px 1fr;
    gap: var(--space-3);
  }

  .cart-item-price-col {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer-brand-col {
    grid-column: 1 / -1;
  }

  .toast-container {
    left: var(--space-4);
    right: var(--space-4);
    bottom: var(--space-4);
  }

  .toast {
    min-width: unset;
    max-width: 100%;
  }

  .compare-bar-inner {
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .compare-items {
    order: -1;
    width: 100%;
    overflow-x: auto;
  }

  .auth-card {
    padding: var(--space-6);
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Small mobile */
@media (max-width: 480px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
  }

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

  .header-actions .header-action-btn:not(:last-child):not(:nth-last-child(2)) {
    display: none;
  }

  .hero-section {
    min-height: 60vh;
  }

  .product-info-title {
    font-size: var(--text-xl);
  }

  .product-price-main {
    font-size: var(--text-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .tabs-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .tabs-nav::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
  }
}