/* Modern CSS Framework - World Class Design */
:root {
  /* Color System */
  --primary: #111111;
  --primary-light: #333333;
  --primary-dark: #000000;
  --secondary: #6366f1;
  --secondary-light: #818cf8;
  --secondary-dark: #4f46e5;
  --accent: #f59e0b;
  --accent-light: #fbbf24;
  --accent-dark: #d97706;
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Grayscale */
  --white: #ffffff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Typography */
  --font-primary: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, 'SF Mono', Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;
  
  /* 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: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms 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;
  --z-toast: 9999;
}

/* CSS Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
}

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--gray-900);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.25;
  color: var(--gray-900);
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }
h5 { font-size: var(--text-lg); }
h6 { font-size: var(--text-base); }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-700);
}

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

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

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

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.container-lg { max-width: 1024px; }
.container-xl { max-width: 1280px; }

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
}

/* Loading & Animation Keyframes */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

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

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

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

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

@keyframes bounce {
  0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8,0,1,1); }
  50% { transform: none; animation-timing-function: cubic-bezier(0,0,0.2,1); }
}

/* Animation Classes */
.animate-fade-in { animation: fadeIn 0.6s ease-out; }
.animate-slide-up { animation: slideUp 0.6s ease-out; }
.animate-slide-down { animation: slideDown 0.6s ease-out; }
.animate-slide-left { animation: slideLeft 0.6s ease-out; }
.animate-slide-right { animation: slideRight 0.6s ease-out; }
.animate-scale-in { animation: scaleIn 0.3s ease-out; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* Scroll Animations */
/* Enhanced Scroll Reveal Animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.scroll-reveal-scale.revealed {
  opacity: 1;
  transform: scale(1);
}

/* Staggered animations for grids and lists */
.stagger-item {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.stagger-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Add delays for staggered effect */
.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* Parallax effect */
.parallax {
  transition: transform 0.3s ease-out;
}

/* Hover animations for interactive elements */
.hover-lift {
  transition: all var(--transition-normal);
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.hover-scale {
  transition: transform var(--transition-normal);
}

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

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.btn:focus { outline: none; }

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::before {
  transform: translateX(100%);
}

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

.btn-primary:hover {
  background-color: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--secondary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: var(--white);
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  background-color: var(--gray-100);
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 52px;
}

.btn-full {
  width: 100%;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

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

.btn-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: currentColor;
  animation: spin 0.8s linear infinite;
}

/* Header Component */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  transition: all var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background-color: rgba(255, 255, 255, 0.98);
}

.header__wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
}

.logo {
  display: flex;
  align-items: center;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
}

.logo img {
  height: 32px;
  width: auto;
}

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

.nav a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav a:hover {
  background-color: var(--gray-100);
  transform: translateY(-1px);
}

.nav a.active {
  color: var(--secondary);
  background-color: var(--gray-100);
}

.cart {
  position: relative;
}

.badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--secondary);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: scaleIn 0.3s ease;
}

.badge.pulse {
  animation: pulse 1s ease infinite;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.hero__media {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -2;
}

.hero__media video,
.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.2) 100%);
  z-index: -1;
}

.hero__content {
  text-align: center;
  color: var(--white);
  z-index: 1;
  max-width: 800px;
  padding: var(--space-8);
}

.hero__badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--secondary);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  animation: slideDown 0.8s ease 0.2s both;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
  line-height: 1.1;
  animation: slideUp 0.8s ease 0.4s both;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: var(--space-8);
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: slideUp 0.8s ease 0.6s both;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  animation: slideUp 0.8s ease 0.8s both;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
  opacity: 0.8;
  animation: bounce 2s infinite;
  cursor: pointer;
}

.hero__scroll:hover {
  opacity: 1;
}

.hero__scroll span {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

/* Section Layout */
.section {
  padding: var(--space-20) 0;
}

.section-sm { padding: var(--space-16) 0; }
.section-lg { padding: var(--space-24) 0; }

.section__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section__badge {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background-color: var(--secondary);
  color: var(--white);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-4);
  position: relative;
}

.section__title::after {
  content: '';
  position: absolute;
  bottom: -var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--secondary), var(--accent));
  border-radius: var(--radius-full);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

.section__footer {
  text-align: center;
  margin-top: var(--space-16);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Product Card */
.product-card {
  position: relative;
  background-color: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-200);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gray-300);
}

.product-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background-color: var(--secondary);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  z-index: 10;
}

.product-card__discount {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  background-color: var(--error);
  color: var(--white);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  z-index: 10;
}

.product-card__image {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  background-color: var(--gray-100);
}

.product-card__image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.1);
}

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

.product-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.product-card__title a {
  color: var(--gray-900);
  transition: color var(--transition-fast);
}

.product-card__title a:hover {
  color: var(--secondary);
}

.product-card__notes {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-bottom: var(--space-3);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__price {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  margin-top: auto;
}

.product-card__price .current {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--primary);
}

.product-card__price .mrp {
  font-size: var(--text-sm);
  color: var(--gray-400);
  text-decoration: line-through;
}

.product-card__actions {
  margin-top: auto;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  background-color: var(--white);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-help {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-top: var(--space-1);
}

/* Input Group */
.input-group {
  display: flex;
}

.input-group .form-input {
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
  border-right: 0;
}

.input-group .btn {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

/* Carousel */
.carousel {
  position: relative;
  overflow: hidden;
}

.carousel__container {
  display: flex;
  transition: transform var(--transition-normal);
}

.carousel__item {
  flex: 0 0 auto;
  width: 100%;
  padding: 0 var(--space-3);
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.carousel__btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--white);
  border: 1px solid var(--gray-300);
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.carousel__btn:hover {
  background-color: var(--secondary);
  color: var(--white);
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.carousel__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.carousel__pagination {
  display: flex;
  gap: var(--space-2);
}

.carousel__dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background-color: var(--gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.carousel__dot:hover {
  background-color: var(--gray-400);
  transform: scale(1.2);
}

.carousel__dot.active {
  background-color: var(--secondary);
  transform: scale(1.2);
}

/* Testimonial Card */
.testimonial-card {
  background-color: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: all var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.testimonial-card__quote {
  font-size: var(--text-4xl);
  color: var(--secondary);
  opacity: 0.3;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.testimonial-card__content {
  flex: 1;
  margin-bottom: var(--space-6);
}

.testimonial-card__text {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--gray-700);
  margin: 0;
}

.testimonial-card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

.testimonial-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--text-lg);
}

.testimonial-card__info {
  flex: 1;
}

.testimonial-card__name {
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-1);
}

.testimonial-card__rating {
  display: flex;
  gap: var(--space-1);
  color: var(--accent);
}

/* FAQ Component */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--gray-200);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-6) 0;
  text-align: left;
  font-size: var(--text-lg);
  font-weight: 600;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq__question:hover {
  color: var(--secondary);
}

.faq__icon {
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-4);
}

.faq__question[aria-expanded="true"] .faq__icon {
  transform: rotate(180deg);
}

.faq__answer {
  padding-bottom: var(--space-6);
  color: var(--gray-600);
  line-height: 1.6;
}

.faq__answer[hidden] {
  display: none;
}

/* Newsletter */
.newsletter {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-radius: var(--radius-2xl);
  padding: var(--space-16);
  margin: var(--space-20) 0;
}

.newsletter__container {
  display: grid;
  gap: var(--space-8);
  align-items: center;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.newsletter__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  color: var(--secondary);
  opacity: 0.3;
}

.newsletter__form {
  max-width: 400px;
  margin: 0 auto;
}

.newsletter__disclaimer {
  font-size: var(--text-sm);
  color: var(--gray-500);
  margin-top: var(--space-3);
}

/* Footer */
.footer {
  background-color: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
}

.footer__content {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer__section h3 {
  color: var(--white);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

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

.footer__links li {
  margin-bottom: var(--space-2);
}

.footer__links a {
  color: var(--gray-400);
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--white);
}

.footer__bottom {
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-800);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__copy {
  color: var(--gray-500);
  font-size: var(--text-sm);
}

.footer__social {
  display: flex;
  gap: var(--space-4);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--gray-800);
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background-color: var(--secondary);
  color: var(--white);
  transform: translateY(-2px);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 350px;
}

.toast {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  padding: var(--space-4);
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-fast);
}

.toast.show {
  transform: translateX(0);
  opacity: 1;
}

.toast__content {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.toast__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.toast__message {
  flex: 1;
  font-size: var(--text-sm);
  line-height: 1.4;
}

.toast__close {
  background: none;
  border: none;
  color: var(--gray-400);
  cursor: pointer;
  padding: 0;
  margin-left: var(--space-2);
  font-size: var(--text-lg);
  line-height: 1;
  transition: color var(--transition-fast);
}

.toast__close:hover {
  color: var(--gray-600);
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast.info {
  border-left: 4px solid var(--info);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.loading-overlay.show {
  opacity: 1;
  visibility: visible;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--gray-200);
  border-radius: var(--radius-full);
  border-top-color: var(--secondary);
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-4);
}

.loading-text {
  font-size: var(--text-lg);
  color: var(--gray-700);
  font-weight: 500;
}

/* Responsive Design */
@media (max-width: 767px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .section {
    padding: var(--space-16) 0;
  }
  
  .section__header {
    margin-bottom: var(--space-12);
  }
  
  .hero__content {
    padding: var(--space-6);
  }
  
  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
  
  .nav {
    gap: var(--space-3);
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .toast-container {
    left: var(--space-3);
    right: var(--space-3);
    max-width: none;
  }
}

@media (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .newsletter__container {
    grid-template-columns: 1fr 200px;
    text-align: left;
  }
  
  .footer__content {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .carousel__item {
    width: 33.333%;
  }
  
  .footer__content {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1280px) {
  .grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .carousel__item {
    width: 25%;
  }
}

/* Print Styles */
@media print {
  .header, .footer, .btn, .carousel__controls, .toast-container {
    display: none !important;
  }
  
  .section {
    padding: var(--space-4) 0;
  }
  
  * {
    color: black !important;
    background: white !important;
    box-shadow: none !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --gray-100: #e5e5e5;
    --gray-200: #cccccc;
    --gray-300: #b3b3b3;
    --gray-400: #999999;
    --gray-500: #808080;
    --gray-600: #666666;
    --gray-700: #4d4d4d;
    --gray-800: #333333;
    --gray-900: #1a1a1a;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .scroll-reveal {
    opacity: 1;
    transform: none;
  }
}

/* Enhanced Mobile Performance & UX */
@media (max-width: 480px) {
  .container { padding: 0 var(--space-3); }
  .hero { padding: var(--space-8) 0; min-height: 70vh; }
  .hero__title { font-size: var(--text-xl); }
  .hero__subtitle { font-size: var(--text-sm); }
  .section { padding: var(--space-6) 0; }
  .product-card__img { height: 200px; }
  .grid { gap: var(--space-3); }
  .text-3xl { font-size: var(--text-lg); }
  .text-2xl { font-size: var(--text-base); }
  .text-xl { font-size: var(--text-sm); }
}

/* Touch-friendly improvements */
@media (max-width: 767px) {
  /* Touch-friendly sizing */
  button, .btn, a, input, select, textarea { 
    min-height: 44px;
  }
  
  /* Prevent zoom on input focus */
  .form-input, .form-select, .form-textarea { 
    font-size: 16px;
    -webkit-appearance: none;
    border-radius: 8px;
  }
  
  /* Touch optimization */
  * { 
    -webkit-overflow-scrolling: touch;
    -webkit-tap-highlight-color: transparent;
  }
  
  /* Reduce animations on mobile for performance */
  .scroll-reveal, .scroll-reveal-left, .scroll-reveal-right, .scroll-reveal-scale { 
    transition-duration: 0.4s;
  }
  
  /* Remove parallax on mobile */
  .parallax { transform: none !important; }
  
  /* Better tap targets */
  .nav__link, .dropdown-toggle, .cart {
    min-height: 48px;
    display: flex;
    align-items: center;
    padding: 12px 16px;
  }
  
  /* Mobile navigation improvements */
  .header {
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
  }
  
  .mobile-menu-toggle {
    width: 44px;
    height: 44px;
    border-radius: 8px;
  }
  
  /* Mobile cards and content */
  .product-card {
    border-radius: 12px;
    margin-bottom: 1rem;
  }
  
  .product-card__img {
    height: 220px;
  }
  
  /* Mobile forms */
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .input-group {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  /* Mobile typography improvements */
  .section__title {
    font-size: 1.875rem;
    line-height: 1.3;
  }
  
  .section__subtitle {
    font-size: 1rem;
    line-height: 1.6;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  img { image-rendering: -webkit-optimize-contrast; }
  .hero__media video, .hero__media img { transform: scale(1.01); }
}