/* CSS Variables */
:root {
  /* Colors */
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --dark-color: #0b1220;
  --accent-color: #22d3ee;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-light: #64748b;
  --background: #f8fafc;
  --background-secondary: #ffffff;
  --border-color: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);

  /* Dark mode colors */
  --dark-bg: #0b1220;
  --dark-bg-secondary: #1e293b;
  --dark-text-primary: #f8fafc;
  --dark-text-secondary: #cbd5e1;
  --dark-border: #374151;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
}

/* Dark mode variables */
[data-theme="dark"] {
  --background: var(--dark-bg);
  --background-secondary: var(--dark-bg-secondary);
  --text-primary: var(--dark-text-primary);
  --text-secondary: var(--dark-text-secondary);
  --border-color: var(--dark-border);
  --text-light: #94a3b8;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

[data-theme="dark"] .header {
  background: rgba(11, 18, 32, 0.95);
}

.navbar {
  height: 70px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.5em;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background-color: rgba(37, 99, 235, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.theme-toggle,
.cart-button {
  background: none;
  border: none;
  font-size: 1.2em;
  padding: var(--spacing-sm);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.theme-toggle:hover,
.cart-button:hover {
  background-color: var(--border-color);
  transform: scale(1.1);
}

.cart-button {
  position: relative;
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--primary-color);
  color: white;
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  border-radius: 50%;
  min-width: 18px;
  text-align: center;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  margin: 3px 0;
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero {
  padding: calc(70px + var(--spacing-3xl)) 0 var(--spacing-3xl);
  background: linear-gradient(135deg, var(--background) 0%, rgba(37, 99, 235, 0.05) 100%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.highlight {
  color: var(--primary-color);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.5;
}

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

.btn {
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  min-width: 140px;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

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

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

.hero-image {
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

/* Features Section */
.features {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-2xl);
  background: var(--background);
  border-radius: 12px;
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

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

.feature-icon {
  font-size: 2.5em;
  margin-bottom: var(--spacing-md);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Section Styling */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
}

/* Products Section */
.products-section {
  padding: var(--spacing-3xl) 0;
}

.product-controls {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
  align-items: center;
}

.search-container {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.search-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-2xl) var(--spacing-md) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: var(--font-size-base);
  background: var(--background-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.filters {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-select {
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--background-secondary);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  min-width: 150px;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.product-card {
  background: var(--background-secondary);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition-normal);
  border: 1px solid var(--border-color);
}

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

.product-image {
  position: relative;
  aspect-ratio: 16 / 12;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-badge {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary-color);
  color: white;
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: 4px;
  text-transform: uppercase;
}

.product-badge.promo {
  background: #ef4444;
}

.product-badge.best {
  background: #10b981;
}

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

.product-brand {
  font-size: var(--font-size-sm);
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  line-height: 1.3;
}

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

.stars {
  color: #f59e0b;
  font-size: var(--font-size-sm);
}

.rating-text {
  font-size: var(--font-size-sm);
  color: var(--text-light);
}

.product-price {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
}

.product-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.btn-small {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  flex: 1;
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
}

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

/* Promo Section */
.promo-section {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.promo-slider {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

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

.promo-item {
  min-width: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  padding: var(--spacing-3xl);
  text-align: center;
  border-radius: 12px;
}

.promo-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.promo-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.promo-price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.9);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.5em;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.slider-btn:hover {
  background: white;
  box-shadow: var(--shadow);
}

.slider-btn.prev {
  left: var(--spacing-lg);
}

.slider-btn.next {
  right: var(--spacing-lg);
}

/* Compare Section */
.compare-section {
  padding: var(--spacing-3xl) 0;
}

.compare-table-container {
  overflow-x: auto;
  background: var(--background-secondary);
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
}

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

.compare-table th,
.compare-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.compare-table th {
  background: var(--background);
  font-weight: 600;
  color: var(--text-primary);
}

.compare-table td {
  color: var(--text-secondary);
}

.price {
  color: var(--primary-color);
  font-weight: 600;
}

/* Testimonials */
.testimonials-section {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background: var(--background);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-color);
  text-align: center;
}

.testimonial-card .stars {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.testimonial-card p {
  font-style: italic;
  margin-bottom: var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.author-avatar {
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

/* FAQ Section */
.faq-section {
  padding: var(--spacing-3xl) 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: var(--spacing-md);
  background: var(--background-secondary);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

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

.faq-question:hover {
  background: var(--background);
}

.faq-icon {
  font-size: 1.2em;
  font-weight: 300;
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-answer p {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-3xl) 0;
  background: var(--background-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
}

.contact-info h3,
.contact-form h3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
}

.contact-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.contact-icon {
  font-size: 1.5em;
  margin-top: 2px;
}

.contact-item p {
  color: var(--text-secondary);
  line-height: 1.5;
}

.contact-form {
  background: var(--background);
  padding: var(--spacing-2xl);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: var(--font-size-base);
  background: var(--background-secondary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
.footer {
  background: var(--dark-color);
  color: var(--dark-text-secondary);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

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

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

.footer-links a {
  color: var(--dark-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.social-links a {
  font-size: 1.5em;
  transition: transform var(--transition-fast);
}

.social-links a:hover {
  transform: scale(1.2);
}

.newsletter-form {
  display: flex;
  margin-top: var(--spacing-md);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--dark-border);
  border-radius: 6px 0 0 6px;
  background: var(--dark-bg-secondary);
  color: white;
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
  font-weight: 600;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--dark-border);
  color: var(--dark-text-secondary);
}

.footer-bottom a {
  color: var(--accent-color);
  text-decoration: none;
}

/* Cart Sidebar */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  background: var(--background-secondary);
  z-index: 2000;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.cart-sidebar.active {
  transform: translateX(0);
}

.cart-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-close {
  background: none;
  border: none;
  font-size: 1.5em;
  cursor: pointer;
  color: var(--text-light);
  padding: var(--spacing-sm);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.cart-close:hover {
  background: var(--border-color);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.cart-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.cart-item-image {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 6px;
}

.cart-item-info {
  flex: 1;
}

.cart-item-name {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.cart-item-price {
  color: var(--primary-color);
  font-weight: 600;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.qty-btn {
  background: var(--border-color);
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.qty-btn:hover {
  background: var(--primary-color);
  color: white;
}

.qty-display {
  font-weight: 600;
  min-width: 30px;
  text-align: center;
}

.remove-btn {
  background: #ef4444;
  color: white;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  cursor: pointer;
  font-size: var(--font-size-xs);
}

.cart-empty {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-light);
}

.cart-footer {
  padding: var(--spacing-xl);
  border-top: 1px solid var(--border-color);
  background: var(--background);
}

.cart-total {
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  text-align: center;
}

/* Product Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

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

.product-modal {
  background: var(--background-secondary);
  border-radius: 12px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow: hidden;
  transform: scale(0.8);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .product-modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5em;
  cursor: pointer;
  color: var(--text-light);
  padding: var(--spacing-sm);
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--border-color);
}

.modal-content {
  padding: var(--spacing-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  overflow-y: auto;
  max-height: calc(90vh - 140px);
}

.modal-gallery img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.modal-thumbnails {
  display: flex;
  gap: var(--spacing-sm);
}

.modal-thumbnail {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
  border: 2px solid transparent;
}

.modal-thumbnail.active,
.modal-thumbnail:hover {
  opacity: 1;
  border-color: var(--primary-color);
}

.modal-brand {
  color: var(--text-light);
  margin-bottom: var(--spacing-xs);
}

.modal-info h4 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.modal-rating {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.modal-price {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xl);
}

.modal-specs {
  margin-bottom: var(--spacing-xl);
}

.modal-specs h5 {
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.specs-list {
  list-style: none;
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.specs-list li:last-child {
  border-bottom: none;
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-2xl);
  right: var(--spacing-2xl);
  background: var(--primary-color);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.2em;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 1000;
  box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

/* Toast Notification */
.toast {
  position: fixed;
  top: 100px;
  right: var(--spacing-lg);
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 8px;
  transform: translateX(400px);
  transition: transform var(--transition-normal);
  z-index: 3000;
  box-shadow: var(--shadow-lg);
}

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

/* Loading State */
.loading {
  display: flex;
  justify-content: center;
  padding: var(--spacing-3xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.no-results {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .contact-content {
    grid-template-columns: 1fr;
  }

  .modal-content {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: var(--background-secondary);
    flex-direction: column;
    padding: var(--spacing-xl);
    transition: left var(--transition-normal);
    box-shadow: var(--shadow-lg);
    border-right: 1px solid var(--border-color);
  }

  .nav-menu.active {
    left: 0;
  }

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

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

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

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }

  .hero {
    padding: calc(70px + var(--spacing-2xl)) 0 var(--spacing-2xl);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .product-controls {
    flex-direction: column;
  }

  .filters {
    width: 100%;
    justify-content: space-between;
  }

  .filter-select {
    flex: 1;
    min-width: auto;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
  }

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

  .cart-sidebar {
    width: 100%;
  }

  .compare-table-container {
    overflow-x: scroll;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2em;
  }

  .slider-btn.prev {
    left: var(--spacing-md);
  }

  .slider-btn.next {
    right: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

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

  .feature-card {
    padding: var(--spacing-xl);
  }

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

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

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}

/* Selection Color */
::selection {
  background: rgba(37, 99, 235, 0.2);
}

/* Focus States */
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Print Styles */
@media print {
  .header,
  .cart-sidebar,
  .modal-overlay,
  .back-to-top,
  .toast {
    display: none !important;
  }
}