/* Sova Wear LLC - Premium E-commerce Styles */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@600;700&display=swap');

/* CSS Variables - Design System */
:root {
  /* Colors */
  --primary-dark: #1a1a1a;
  --primary-gold: #c9a868;
  --primary-white: #ffffff;
  --bg-cream: #f8f7f4;
  --text-dark: #2c2c2c;
  --text-gray: #6b6b6b;
  --border-light: #e5e5e5;
  --accent-teal: #2c5f5f;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2c5f5f 0%, #1a4444 100%);
  --gradient-gold: linear-gradient(135deg, #c9a868 0%, #b8955a 100%);
  --gradient-overlay: linear-gradient(to bottom, rgba(0,0,0,0.3), rgba(0,0,0,0.6));
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Playfair Display', serif;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.2);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

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

body {
  font-family: var(--font-primary);
  color: var(--text-dark);
  background-color: var(--bg-cream);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: var(--transition-base);
}

/* Header Styles */
.header {
  background: var(--primary-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: var(--transition-base);
}

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

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo-img {
  height: 50px;
  width: auto;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.nav {
  display: flex;
  gap: var(--spacing-xl);
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: var(--spacing-xs) 0;
}

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

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

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

.icon-btn {
  background: transparent;
  font-size: 1.3rem;
  color: var(--text-dark);
  position: relative;
  padding: var(--spacing-xs);
}

.icon-btn:hover {
  color: var(--primary-gold);
  transform: translateY(-2px);
}

.cart-count {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--primary-gold);
  color: var(--primary-white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 600;
}

/* Mobile Menu Toggle */
.mobile-menu-btn {
  display: none;
  background: transparent;
  font-size: 1.5rem;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  position: relative;
  height: 80vh;
  min-height: 600px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--primary-white);
  max-width: 800px;
  padding: var(--spacing-lg);
  animation: fadeInUp 1s ease;
}

.hero-subtitle {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary-gold);
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-white);
  border: 2px solid var(--primary-white);
  margin-left: var(--spacing-md);
}

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

/* Section Styles */
.section {
  padding: var(--spacing-xxl) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.product-card {
  background: var(--primary-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  animation: fadeIn 0.6s ease;
}

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

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

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

.product-card:hover .product-image {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  background: var(--primary-gold);
  color: var(--primary-white);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

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

.product-category {
  font-size: 0.85rem;
  color: var(--text-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.3rem;
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--spacing-xs);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-bottom: var(--spacing-sm);
}

.stars {
  color: var(--primary-gold);
  font-size: 0.9rem;
}

.review-count {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.product-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

.product-colors {
  display: flex;
  gap: 0.4rem;
  margin-bottom: var(--spacing-sm);
}

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-light);
  cursor: pointer;
  transition: var(--transition-fast);
}

.color-swatch:hover {
  transform: scale(1.15);
  border-color: var(--primary-dark);
}

.quick-add-btn {
  width: 100%;
  padding: 0.8rem;
  background: var(--primary-dark);
  color: var(--primary-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

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

.quick-add-btn:hover {
  background: var(--primary-gold);
}

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md);
  background: var(--primary-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-cream);
  padding: 0.7rem 1.2rem;
  border-radius: var(--radius-sm);
  flex: 1;
  min-width: 250px;
}

.search-icon {
  color: var(--text-gray);
  margin-right: var(--spacing-xs);
}

.search-input {
  border: none;
  background: transparent;
  outline: none;
  width: 100%;
  font-size: 0.95rem;
}

.filter-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.7rem 1.2rem;
  background: var(--bg-cream);
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
}

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

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

/* Cart Sidebar */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: -450px;
  width: 450px;
  height: 100vh;
  background: var(--primary-white);
  box-shadow: var(--shadow-lg);
  transition: var(--transition-base);
  z-index: 2000;
  display: flex;
  flex-direction: column;
}

.cart-sidebar.open {
  right: 0;
}

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

.cart-title {
  font-size: 1.5rem;
  font-weight: 700;
}

.close-cart {
  background: transparent;
  font-size: 1.5rem;
  color: var(--text-dark);
}

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

.cart-item {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-light);
}

.cart-item-image {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

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

.cart-item-title {
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.cart-item-variant {
  font-size: 0.85rem;
  color: var(--text-gray);
  margin-bottom: 0.5rem;
}

.cart-item-price {
  font-weight: 700;
  color: var(--primary-dark);
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.qty-btn {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--bg-cream);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}

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

.cart-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-light);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.2rem;
  font-weight: 700;
}

.checkout-btn {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: var(--primary-white);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.checkout-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Product Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3000;
  backdrop-filter: blur(4px);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--primary-white);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: scaleIn 0.3s ease;
}

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

.close-modal {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: var(--primary-white);
  box-shadow: var(--shadow-sm);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--text-dark);
  z-index: 10;
}

.modal-image-wrapper {
  position: sticky;
  top: 0;
}

.modal-image {
  width: 100%;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

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

.thumbnail {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  opacity: 0.6;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}

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

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

.variant-label {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.size-options,
.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.size-option,
.color-option {
  padding: 0.6rem 1.2rem;
  border: 2px solid var(--border-light);
  background: var(--primary-white);
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
}

.size-option:hover,
.color-option:hover {
  border-color: var(--primary-dark);
}

.size-option.active,
.color-option.active {
  background: var(--primary-dark);
  color: var(--primary-white);
  border-color: var(--primary-dark);
}

.add-to-cart-btn {
  width: 100%;
  padding: 1.2rem;
  background: var(--gradient-primary);
  color: var(--primary-white);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
}

.add-to-cart-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Reviews Section */
.reviews-section {
  background: var(--primary-white);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.review-card {
  padding: var(--spacing-lg);
  background: var(--bg-cream);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

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

.reviewer-name {
  font-weight: 600;
}

.review-date {
  font-size: 0.85rem;
  color: var(--text-gray);
}

.review-stars {
  color: var(--primary-gold);
  margin-bottom: var(--spacing-sm);
}

.review-text {
  color: var(--text-dark);
  line-height: 1.6;
}

/* Checkout Page */
.checkout-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-xl);
}

.checkout-form {
  background: var(--primary-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.form-section {
  margin-bottom: var(--spacing-xl);
}

.form-section-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--border-light);
}

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

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.form-input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-gold);
}

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

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.payment-option {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

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

.payment-option.active {
  border-color: var(--primary-gold);
  background: rgba(201, 168, 104, 0.05);
}

.payment-radio {
  margin-right: var(--spacing-md);
  width: 20px;
  height: 20px;
  accent-color: var(--primary-gold);
}

.payment-label {
  flex: 1;
  font-weight: 600;
}

.card-details {
  display: none;
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-cream);
  border-radius: var(--radius-sm);
}

.card-details.active {
  display: block;
}

.order-summary {
  background: var(--primary-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  height: fit-content;
  position: sticky;
  top: 100px;
}

.summary-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.summary-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-light);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  font-size: 1.3rem;
  font-weight: 700;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--primary-dark);
}

.place-order-btn {
  width: 100%;
  padding: 1.2rem;
  background: var(--gradient-primary);
  color: var(--primary-white);
  font-weight: 700;
  font-size: 1.1rem;
  border-radius: var(--radius-sm);
  margin-top: var(--spacing-md);
}

.place-order-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Order Confirmation */
.confirmation-container {
  max-width: 700px;
  margin: var(--spacing-xxl) auto;
  padding: var(--spacing-xl);
  text-align: center;
  background: var(--primary-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.confirmation-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: 2.5rem;
  color: var(--primary-white);
}

.confirmation-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.order-number {
  color: var(--text-gray);
  margin-bottom: var(--spacing-md);
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--primary-white);
  padding: var(--spacing-xxl) var(--spacing-lg) var(--spacing-lg);
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-gold);
  padding-left: 5px;
}

.contact-info {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

.contact-info strong {
  color: var(--primary-white);
}

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

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.social-icon:hover {
  background: var(--primary-gold);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: var(--primary-dark);
  color: var(--primary-white);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: none;
  align-items: center;
  gap: var(--spacing-md);
  z-index: 4000;
  animation: slideInRight 0.3s ease;
}

.toast.show {
  display: flex;
}

.toast-icon {
  font-size: 1.5rem;
}

/* Loading Spinner */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-light);
  border-radius: 50%;
  border-top-color: var(--primary-gold);
  animation: spin 0.8s linear infinite;
}

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

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

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

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

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

/* Responsive Design */
@media (max-width: 968px) {
  .nav {
    display: none;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
  
  .modal-content {
    grid-template-columns: 1fr;
  }
  
  .checkout-container {
    grid-template-columns: 1fr;
  }
  
  .cart-sidebar {
    width: 100%;
    right: -100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .btn-secondary {
    margin-left: 0;
    margin-top: var(--spacing-sm);
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    min-width: 100%;
  }
  
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* Print Styles */
@media print {
  .header,
  .footer,
  .cart-sidebar,
  .filter-bar {
    display: none;
  }
}