/* ============================================
   YAYA THEME - Premium Office Furniture
   Modern E-commerce Design System
   ============================================ */

/* === CSS VARIABLES === */
:root {
  /* Core Colors */
  --color-primary: #0f294d;
  --color-primary-light: #1a3d6b;
  --color-primary-dark: #0a1f38;

  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-light: #fbbf24;

  --color-secondary: #64748b;
  --color-secondary-light: #94a3b8;

  /* Neutrals */
  --color-bg: #fafbfc;
  --color-bg-alt: #f1f4f8;
  --color-surface: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;

  /* Text Colors */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-light: #ffffff;

  /* Status Colors */
  --color-success: #10b981;
  --color-error: #ef4444;
  --color-warning: #f59e0b;
  --color-info: #3b82f6;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 41, 77, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 41, 77, 0.08), 0 2px 4px -1px rgba(15, 41, 77, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 41, 77, 0.1), 0 4px 6px -2px rgba(15, 41, 77, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(15, 41, 77, 0.12), 0 10px 10px -5px rgba(15, 41, 77, 0.06);
  --shadow-2xl: 0 25px 50px -12px rgba(15, 41, 77, 0.2);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === RESET & BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 600;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* === LAYOUT UTILITIES === */
.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1600px;
}

.section {
  padding: var(--spacing-4xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

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

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

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

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.gap-md {
  gap: var(--spacing-md);
}

.gap-lg {
  gap: var(--spacing-lg);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

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

.btn-ghost:hover {
  background-color: var(--color-bg-alt);
}

.btn-sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-icon {
  padding: 0.75rem;
  aspect-ratio: 1;
}

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background-color: transparent;
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.header-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-xl);
  max-width: 1600px;
  margin: 0 auto;
}

.header-scrolled .header-container {
  padding: var(--spacing-md) var(--spacing-xl);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-mark {
  width: 45px;
  height: 45px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-text span:first-child {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.logo-text span:last-child {
  font-size: 1.5rem;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
  padding: var(--spacing-sm) 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.header-search {
  position: relative;
}

.search-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.search-toggle:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-accent);
}

.header-cart {
  position: relative;
}

.cart-toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.cart-toggle:hover {
  background-color: var(--color-bg-alt);
  color: var(--color-accent);
}

.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  padding: 0 4px;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === HERO SLIDER === */
.hero {
  position: relative;
  height: 500px;
  overflow: hidden;
  margin-top: 80px;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slower);
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 41, 77, 0.85) 0%, rgba(15, 41, 77, 0.6) 50%, rgba(15, 41, 77, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.hero-text {
  max-width: 600px;
  color: var(--color-text-light);
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slower);
}

.hero-slide.active .hero-text {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.3s;
}

.hero-subtitle {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
}

.hero-description {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}

.hero-indicators {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 3;
}

.hero-indicator {
  width: 40px;
  height: 4px;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}

.hero-indicator:hover {
  background: rgba(255, 255, 255, 0.5);
}

.hero-indicator.active {
  background: var(--color-accent);
  width: 60px;
}

/* === CATEGORIES === */
.categories {
  padding: var(--spacing-4xl) 0;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  margin-bottom: 0;
}

.section-subtitle {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  display: block;
}

.section-link {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap var(--transition-base);
}

.section-link:hover {
  gap: var(--spacing-sm);
}

.section-link svg {
  transition: transform var(--transition-base);
}

.section-link:hover svg {
  transform: translateX(4px);
}

/* Category Cards - Asymmetric Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(2, 280px);
  gap: var(--spacing-lg);
}

.category-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: pointer;
  group: 'category';
}

.category-card:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

.category-card:nth-child(2) {
  grid-column: span 2;
}

.category-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

.category-card:hover .category-card-bg {
  transform: scale(1.08);
}

.category-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(15, 41, 77, 0.7) 100%);
}

.category-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.category-card-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.category-card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.category-card-count {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* === PRODUCTS === */
.products {
  padding: var(--spacing-4xl) 0;
  background-color: var(--color-bg-alt);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

/* Product Card */
.product-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  z-index: 2;
}

.badge {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
}

.badge-new {
  background-color: var(--color-accent);
  color: var(--color-primary);
}

.badge-sale {
  background-color: var(--color-error);
  color: var(--color-text-light);
}

.badge-featured {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}

.product-wishlist {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 2;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  opacity: 0;
  transform: translateY(-10px);
  transition: all var(--transition-base);
}

.product-card:hover .product-wishlist {
  opacity: 1;
  transform: translateY(0);
}

.product-wishlist:hover {
  background: var(--color-error);
  color: var(--color-text-light);
}

.product-wishlist.active {
  background: var(--color-error);
  color: var(--color-text-light);
  opacity: 1;
}

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

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

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

.product-quickview {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  transition: all var(--transition-base);
}

.product-card:hover .product-quickview {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.product-info {
  padding: var(--spacing-lg);
}

.product-category {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.product-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

.product-price {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.price-current {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-old {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.stars {
  display: flex;
  color: var(--color-accent);
  font-size: 0.875rem;
}

.rating-count {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === FEATURES === */
.features {
  padding: var(--spacing-4xl) 0;
}

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

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-accent);
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* === FOOTER === */
.footer {
  background-color: var(--color-primary);
  color: var(--color-text-light);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-cols), 1fr);
  gap: var(--spacing-3xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand .logo {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-mark {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-accent);
}

.footer-brand .logo-text span:first-child {
  color: var(--color-accent);
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--spacing-lg);
}

.footer-social {
  display: flex;
  gap: var(--spacing-sm);
}

.social-link {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: var(--color-text-light);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-4px);
}

.footer-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.02em;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer-newsletter p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
}

.newsletter-input {
  flex: 1;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: var(--color-text-light);
  font-size: 0.9375rem;
  transition: all var(--transition-base);
}

.newsletter-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.15);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-text-light);
}

/* === RESPONSIVE === */
@media (max-width: 1200px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: auto;
  }

  .category-card:first-child {
    grid-column: span 2;
    grid-row: span 1;
  }

  .category-card:nth-child(2) {
    grid-column: span 1;
  }

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

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

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

@media (max-width: 992px) {
  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* Mobile Nav Panel */
  .mobile-nav {
    position: fixed !important;
    top: 0;
    right: -100%;
    width: 88%;
    max-width: 380px;
    height: 100vh;
    height: 100dvh;
    background: #ffffff;
    z-index: 10001 !important;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    box-shadow: none;
  }

  .mobile-nav.active {
    right: 0;
    box-shadow: -20px 0 60px rgba(15, 41, 77, 0.2);
  }

  /* Header */
  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    background: linear-gradient(135deg, #0f294d 0%, #1a3d6b 100%);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
  }

  .mobile-nav-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #d97706, #f59e0b);
  }

  .mobile-nav-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
  }

  .mobile-nav-brand-mark {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', -apple-system, sans-serif;
    font-size: 1.125rem;
    font-weight: 800;
    color: #0f294d;
  }

  .mobile-nav-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }

  .mobile-nav-brand-text span:first-child {
    font-family: 'Outfit', -apple-system, sans-serif;
    font-size: 0.5625rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #f59e0b;
  }

  .mobile-nav-brand-text span:last-child {
    font-family: 'Outfit', -apple-system, sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.01em;
  }

  .mobile-nav-close {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    color: #ffffff;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
    flex-shrink: 0;
  }

  .mobile-nav-close:hover {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.3);
  }

  /* Body */
  .mobile-nav-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 0.5rem 0;
  }

  .mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  /* Links */
  .mobile-nav-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: #0f172a;
    text-decoration: none;
    font-family: 'DM Sans', -apple-system, sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all 0.2s;
    position: relative;
  }

  .mobile-nav-link-row {
    display: flex;
    align-items: stretch;
  }

  .mobile-nav-link-row > .mobile-nav-link {
    flex: 1;
  }

  .mobile-nav-link::after {
    content: '';
    position: absolute;
    left: 1.5rem;
    bottom: 0;
    right: 1.5rem;
    height: 1px;
    background: #f1f5f9;
  }

  .mobile-nav-link:hover {
    color: #0f294d;
    background: #f8fafc;
  }

  /* Toggle Button */
  .mobile-nav-toggle {
    background: none;
    border: none;
    border-left: 1px solid #f1f5f9;
    padding: 0 1rem;
    cursor: pointer;
    color: #94a3b8;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    flex-shrink: 0;
  }

  .mobile-nav-toggle:hover {
    color: #0f294d;
    background: #f8fafc;
  }

  .mobile-nav-toggle.open {
    color: #f59e0b;
    background: #fffbeb;
    transform: rotate(180deg);
  }

  /* Submenu Accordion */
  .mobile-nav-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: #f8fafc;
  }

  .mobile-nav-submenu.open {
    max-height: 800px;
  }

  .mobile-nav-submenu > li > .mobile-nav-link,
  .mobile-nav-submenu .mobile-nav-link-row > .mobile-nav-link {
    padding: 0.875rem 1.5rem 0.875rem 2.25rem;
    font-size: 0.875rem;
    font-weight: 400;
    color: #475569;
  }

  .mobile-nav-submenu .mobile-nav-link::after {
    left: 2.25rem;
  }

  .mobile-nav-submenu .mobile-nav-submenu > li > .mobile-nav-link,
  .mobile-nav-submenu .mobile-nav-submenu .mobile-nav-link-row > .mobile-nav-link {
    padding-left: 3rem;
    font-size: 0.8125rem;
    color: #64748b;
  }

  .mobile-nav-submenu .mobile-nav-submenu .mobile-nav-link::after {
    left: 3rem;
  }

  .mobile-nav-submenu .mobile-nav-link:hover {
    color: #0f294d;
    background: #f1f5f9;
  }

  /* Has-children active indicator */
  .mobile-nav-has-children.open > .mobile-nav-link-row .mobile-nav-link {
    color: #0f294d;
    font-weight: 600;
  }

  /* Footer */
  .mobile-nav-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid #f1f5f9;
    flex-shrink: 0;
    background: #ffffff;
  }

  .mobile-nav-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.875rem;
    background: linear-gradient(135deg, #0f294d 0%, #1a3d6b 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    font-family: 'DM Sans', -apple-system, sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.25s;
  }

  .mobile-nav-cta:hover {
    box-shadow: 0 8px 25px rgba(15, 41, 77, 0.3);
    transform: translateY(-1px);
  }

  .mobile-nav-cta svg {
    color: #f59e0b;
  }

  /* Mobile nav overlay */
  .mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 41, 77, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
  }

  .mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .hero {
    height: 450px;
  }

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

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

  .category-card {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }

  .category-card {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: var(--spacing-md);
  }

  .header-scrolled .header-container {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .logo {
    font-size: 1.25rem;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
  }

  .logo-text span:last-child {
    font-size: 1.125rem;
  }

  .hero {
    height: 400px;
    margin-top: 70px;
  }

  .hero-content {
    padding: 0 var(--spacing-lg);
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .footer-legal {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .newsletter-form {
    flex-direction: column;
  }

  .section {
    padding: var(--spacing-3xl) 0;
  }
}

@media (max-width: 480px) {
  .hero {
    height: 350px;
  }

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

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.8125rem;
  }

  .product-card {
    border-radius: var(--radius-lg);
  }

  .category-card,
  .feature-card {
    border-radius: var(--radius-lg);
  }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all var(--transition-slower);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* === UTILITY CLASSES === */
.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-sm {
  margin-bottom: var(--spacing-sm);
}

.mb-md {
  margin-bottom: var(--spacing-md);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* === LOADING STATES === */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  to {
    left: 100%;
  }
}

/* === PRINT STYLES === */
@media print {
  .header,
  .footer,
  .hero-indicators,
  .product-quickview,
  .product-wishlist {
    display: none;
  }

  body {
    background: white;
  }

  .product-card {
    break-inside: avoid;
  }
}

/* === BREADCRUMB === */
.breadcrumb {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
  padding: 16px 0;
  margin-top: 80px;
}

.breadcrumb .container {
  max-width: 1320px;
  padding: 0 var(--spacing-lg);
  margin: 0 auto;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.breadcrumb-item.active {
  color: var(--color-text-primary);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--color-text-muted);
}