/* Base Styles */
:root {
  --primary-color: #7b68ee;
  --primary-dark: #5a46d6;
  --primary-light: #9f91f2;
  --secondary-color: #ff4500;
  --secondary-dark: #e03d00;
  --secondary-light: #ff6c33;
  --accent-color: #00c2ff;
  --text-color: #333333;
  --text-light: #666666;
  --text-lighter: #999999;
  --bg-color: #ffffff;
  --bg-dark: #f5f5f5;
  --bg-darker: #eeeeee;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --border-color: #dddddd;
  --border-radius: 8px;
  --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --max-width: 1200px;
  --header-height: 80px;
  --footer-bg: #2a2a2a;
  --footer-text: #f5f5f5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: var(--bg-color);
}

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

a:hover {
  color: var(--primary-dark);
}

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 20px;
  line-height: 1.3;
  font-weight: 700;
  color: var(--text-color);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 20px;
}

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

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

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

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

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

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

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

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

.btn-full {
  width: 100%;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.form-col {
  flex: 1;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(123, 104, 238, 0.2);
}

.checkbox-container {
  display: flex;
  align-items: center;
  position: relative;
  padding-left: 35px;
  cursor: pointer;
  font-weight: normal;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 20px;
  width: 20px;
  background-color: #eee;
  border-radius: 4px;
}

.checkbox-container:hover input ~ .checkmark {
  background-color: #ccc;
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--primary-color);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 7px;
  top: 3px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.required {
  color: var(--danger-color);
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  height: var(--header-height);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.main-nav {
  display: flex;
  list-style: none;
}

.main-nav li {
  margin-left: 30px;
}

.main-nav a {
  color: var(--text-color);
  font-weight: 600;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary-color);
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

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

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
}

#cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--secondary-color);
  color: white;
  font-size: 0.7rem;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
}

.mobile-nav-toggle span {
  height: 2px;
  width: 100%;
  background-color: var(--text-color);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #7b68ee 0%, #5a46d6 100%);
  color: white;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,128L60,149.3C120,171,240,213,360,229.3C480,245,600,235,720,213.3C840,192,960,160,1080,149.3C1200,139,1320,149,1380,154.7L1440,160L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-size: cover;
  background-position: center;
  opacity: 0.8;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: white;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

/* Advantages Section */
.advantages {
  padding: 80px 0;
  background-color: var(--bg-color);
}

.advantages h2 {
  text-align: center;
  margin-bottom: 50px;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.advantage-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: 30px;
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: var(--transition);
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.advantage-icon {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.advantage-card h3 {
  margin-bottom: 15px;
}

.advantage-card p {
  color: var(--text-light);
  margin-bottom: 0;
}

.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin: 60px 0;
  text-align: center;
}

.stat h4 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.stat p {
  color: var(--text-light);
  font-weight: 600;
}

.cta {
  text-align: center;
  margin-top: 50px;
}

.cta p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

/* About Products Section */
.about-products {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.about-products h2 {
  margin-bottom: 30px;
}

.about-products p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.quality-assurance {
  background-color: rgba(123, 104, 238, 0.1);
  border-radius: var(--border-radius);
  padding: 30px;
  margin: 40px 0;
}

.quality-assurance h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

.certifications {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.certifications span {
  background-color: rgba(123, 104, 238, 0.2);
  color: var(--primary-dark);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 20px;
  font-style: italic;
  margin: 30px 0;
  color: var(--text-light);
}

blockquote cite {
  display: block;
  margin-top: 10px;
  font-weight: 600;
  color: var(--text-color);
  font-style: normal;
}

/* Products Section */
.products {
  padding: 80px 0;
}

.products h2 {
  text-align: center;
  margin-bottom: 50px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

.product-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.product-image {
  position: relative;
  overflow: hidden;
  height: 250px;
}

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

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

.product-info {
  padding: 20px;
}

.product-info h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.product-info h3 a {
  color: var(--text-color);
}

.product-info h3 a:hover {
  color: var(--primary-color);
}

.product-description {
  color: var(--text-light);
  margin-bottom: 15px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.product-actions {
  display: flex;
  gap: 10px;
}

.btn-add-to-cart {
  flex: 1;
  padding: 10px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.btn-add-to-cart:hover {
  background-color: var(--primary-dark);
}

.btn-view {
  padding: 10px;
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--primary-color);
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
}

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

/* Product Detail */
.breadcrumb {
  background-color: var(--bg-dark);
  padding: 15px 0;
}

.breadcrumb ul {
  display: flex;
  list-style: none;
}

.breadcrumb li {
  margin-right: 5px;
}

.breadcrumb li:not(:last-child)::after {
  content: '/';
  margin-left: 5px;
  color: var(--text-lighter);
}

.breadcrumb a {
  color: var(--text-light);
}

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

.breadcrumb li:last-child {
  color: var(--text-color);
  font-weight: 600;
}

.product-detail {
  padding: 60px 0;
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.product-images {
  position: relative;
}

.main-image {
  margin-bottom: 20px;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.main-image img {
  width: 100%;
  height: auto;
  display: block;
}

.image-thumbnails {
  display: flex;
  gap: 10px;
}

.thumbnail {
  width: 80px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  opacity: 0.7;
  transition: var(--transition);
  border: 2px solid transparent;
}

.thumbnail:hover {
  opacity: 1;
}

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

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

.product-info h1 {
  margin-bottom: 15px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.product-rating {
  display: flex;
  align-items: center;
}

.stars {
  color: #ffc107;
  margin-right: 5px;
}

.rating-count {
  color: var(--text-light);
}

.product-sku, .product-availability {
  color: var(--text-light);
}

.product-availability {
  display: flex;
  align-items: center;
  color: var(--success-color);
}

.product-availability svg {
  margin-right: 5px;
}

.product-price {
  margin-bottom: 20px;
}

.current-price {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-right: 10px;
}

.old-price {
  font-size: 1.2rem;
  color: var(--text-lighter);
  text-decoration: line-through;
  margin-right: 10px;
}

.discount {
  background-color: var(--secondary-color);
  color: white;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.9rem;
  font-weight: 600;
}

.product-short-description {
  margin-bottom: 20px;
  line-height: 1.6;
}

.product-options {
  margin-bottom: 20px;
}

.option-group {
  margin-bottom: 15px;
}

.option-group label {
  margin-bottom: 10px;
}

.color-options, .switch-options, .layout-options, .connection-options, .size-options, .edge-options {
  display: flex;
  gap: 10px;
}

.color-option {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
}

.color-option.active {
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.switch-option, .layout-option, .connection-option, .size-option, .edge-option {
  padding: 8px 15px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  background-color: white;
}

.switch-option.active, .layout-option.active, .connection-option.active, .size-option.active, .edge-option.active {
  border-color: var(--primary-color);
  background-color: rgba(123, 104, 238, 0.1);
  color: var(--primary-color);
}

.product-quantity {
  margin-bottom: 20px;
}

.quantity-selector {
  display: flex;
  align-items: center;
}

.quantity-btn {
  width: 40px;
  height: 40px;
  background-color: var(--bg-darker);
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.quantity-btn.minus {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
}

.quantity-btn.plus {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.quantity-btn:hover {
  background-color: var(--border-color);
}

#quantity {
  width: 60px;
  height: 40px;
  text-align: center;
  border: 1px solid var(--bg-darker);
  border-left: none;
  border-right: none;
  font-size: 1rem;
}

.product-actions {
  display: flex;
  gap: 15px;
  margin-bottom: 30px;
}

.product-actions .btn {
  flex: 1;
}

.btn-wishlist {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.btn-wishlist:hover {
  background-color: var(--bg-darker);
}

.product-extras {
  margin-top: 30px;
  border-top: 1px solid var(--border-color);
  padding-top: 20px;
}

.product-extra {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  color: var(--text-light);
}

.product-extra svg {
  margin-right: 10px;
  color: var(--primary-color);
}

/* Product Tabs */
.product-tabs {
  padding: 60px 0;
  background-color: var(--bg-dark);
}

.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.tab-btn {
  padding: 15px 30px;
  border: none;
  background-color: transparent;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  position: relative;
}

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

.tab-btn::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -1px;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

.tab-btn.active::after {
  width: 100%;
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.tab-pane h2 {
  margin-bottom: 30px;
}

.tab-pane p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.tab-pane h3 {
  margin: 30px 0 15px;
  color: var(--primary-dark);
}

.tab-pane ul, .tab-pane ol {
  margin-bottom: 20px;
  padding-left: 20px;
}

.tab-pane li {
  margin-bottom: 10px;
}

.product-callout {
  background-color: rgba(123, 104, 238, 0.1);
  border-left: 4px solid var(--primary-color);
  padding: 20px;
  margin: 30px 0;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.product-callout h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-callout p {
  margin-bottom: 0;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 30px;
}

.specs-table th, .specs-table td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.specs-table th {
  width: 35%;
  font-weight: 600;
  color: var(--text-color);
  background-color: rgba(123, 104, 238, 0.05);
}

.review-summary {
  display: flex;
  gap: 40px;
  margin-bottom: 50px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.review-average {
  flex: 1;
  text-align: center;
}

.big-rating {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.review-average .rating-stars {
  margin-bottom: 10px;
}

.review-count {
  color: var(--text-light);
}

.rating-bars {
  flex: 2;
}

.rating-bar {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}

.rating-level {
  width: 80px;
  text-align: right;
  padding-right: 10px;
  font-size: 0.9rem;
  color: var(--text-light);
}

.rating-bar-container {
  flex: 1;
  height: 12px;
  background-color: var(--bg-darker);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 15px;
}

.rating-bar-fill {
  height: 100%;
  background-color: var(--primary-color);
  border-radius: 10px;
}

.rating-count {
  width: 40px;
  text-align: left;
  font-size: 0.9rem;
  color: var(--text-light);
}

.customer-reviews {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.review {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

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

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.reviewer-name {
  font-weight: 600;
  margin-bottom: 5px;
}

.verified-badge {
  font-size: 0.8rem;
  color: var(--success-color);
}

.review-date {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 5px;
}

.review-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.review-content {
  line-height: 1.7;
}

/* Related Products */
.related-products {
  padding: 80px 0;
}

.related-products h2 {
  text-align: center;
  margin-bottom: 50px;
}

.product-slider {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 30px;
}

/* Interesting Facts Section */
.interesting-facts {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.interesting-facts h2 {
  text-align: center;
  margin-bottom: 50px;
}

.fact-item {
  display: flex;
  align-items: flex-start;
  gap: 30px;
  margin-bottom: 40px;
  background-color: white;
  padding: 30px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.fact-item img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.fact-text h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
}

.fact-text p {
  margin-bottom: 0;
  line-height: 1.7;
}

/* Cart Page */
.page-header {
  padding: 60px 0;
  background-color: var(--primary-color);
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,128L60,149.3C120,171,240,213,360,229.3C480,245,600,235,720,213.3C840,192,960,160,1080,149.3C1200,139,1320,149,1380,154.7L1440,160L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-size: cover;
  background-position: center;
  opacity: 0.8;
}

.page-header h1, .page-header p {
  position: relative;
  z-index: 1;
  color: white;
}

.page-header h1 {
  margin-bottom: 10px;
}

.page-header p {
  margin-bottom: 0;
  font-size: 1.2rem;
}

.cart-section {
  padding: 60px 0;
}

.cart-container {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.cart-empty {
  padding: 80px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.cart-empty svg {
  color: var(--text-lighter);
  margin-bottom: 20px;
}

.cart-empty h2 {
  margin-bottom: 10px;
}

.cart-empty p {
  color: var(--text-light);
  margin-bottom: 30px;
}

.cart-header {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
  padding: 20px;
  background-color: var(--bg-dark);
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
}

.cart-item {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr 0.5fr;
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
}

.cart-product-info {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cart-product-info img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.cart-product-info h3 {
  margin-bottom: 5px;
  font-size: 1.1rem;
}

.cart-product-info p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

.cart-quantity-col .quantity-selector {
  justify-content: center;
}

.cart-total-col {
  font-weight: 600;
  color: var(--primary-color);
}

.btn-remove {
  background-color: transparent;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  transition: var(--transition);
}

.btn-remove:hover {
  color: var(--danger-color);
  transform: scale(1.1);
}

.cart-summary {
  padding: 30px;
  background-color: var(--bg-dark);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
}

.cart-coupon {
  display: flex;
}

.cart-coupon input {
  border-radius: var(--border-radius) 0 0 var(--border-radius);
  border-right: none;
}

.cart-coupon button {
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
}

.cart-totals {
  background-color: white;
  padding: 20px;
  border-radius: var(--border-radius);
  min-width: 300px;
}

.cart-subtotal, .cart-shipping, .cart-total {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
}

.cart-subtotal, .cart-shipping {
  border-bottom: 1px solid var(--border-color);
}

.cart-total {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.cart-actions {
  margin-top: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Checkout Page */
.checkout-section {
  padding: 60px 0;
}

.checkout-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
}

.checkout-form-container, .order-summary {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 30px;
}

.checkout-form-container h2, .order-summary h2 {
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
}

#order-items {
  margin-bottom: 30px;
}

.order-item {
  display: flex;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.order-item-image {
  width: 70px;
  height: 70px;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-right: 15px;
}

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

.order-item-details {
  flex: 1;
}

.order-item-details h3 {
  margin-bottom: 5px;
  font-size: 1rem;
}

.order-item-details p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

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

.order-totals {
  background-color: var(--bg-dark);
  padding: 20px;
  border-radius: var(--border-radius);
  margin-bottom: 30px;
}

.order-subtotal, .order-shipping, .order-tax, .order-total {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
}

.order-subtotal, .order-shipping, .order-tax {
  border-bottom: 1px solid var(--border-color);
}

.order-total {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--primary-color);
}

.order-security {
  display: flex;
  justify-content: space-around;
  margin-top: 30px;
}

.security-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.security-info svg {
  color: var(--success-color);
  margin-bottom: 10px;
}

.security-info p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 0;
}

/* Success Page */
.success-section {
  padding: 80px 0;
}

.success-container {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 60px 30px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.success-icon {
  color: var(--success-color);
  margin-bottom: 30px;
}

.success-container h1 {
  margin-bottom: 20px;
}

.success-container p {
  color: var(--text-light);
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.success-actions {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.post-purchase {
  padding: 60px 0;
  background-color: var(--bg-dark);
}

.post-purchase h2 {
  text-align: center;
  margin-bottom: 50px;
}

.post-purchase-steps {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}

.step {
  position: relative;
  background-color: white;
  border-radius: var(--border-radius);
  padding: 40px 30px 30px;
  text-align: center;
  box-shadow: var(--box-shadow);
  flex: 1;
  min-width: 250px;
}

.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 40px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step-icon {
  color: var(--primary-color);
  margin-bottom: 20px;
}

.step h3 {
  margin-bottom: 15px;
}

.step p {
  color: var(--text-light);
  margin-bottom: 0;
}

.recommendations {
  padding: 80px 0;
}

.recommendations h2 {
  text-align: center;
  margin-bottom: 50px;
}

/* Footer */
footer {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  padding: 60px 0 0;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 40px;
}

.footer-column h3 {
  color: white;
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-column p {
  color: var(--footer-text);
  opacity: 0.8;
  margin-bottom: 10px;
}

.footer-column ul {
  list-style: none;
}

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul li a {
  color: var(--footer-text);
  opacity: 0.8;
  transition: var(--transition);
}

.footer-column ul li a:hover {
  opacity: 1;
  color: var(--primary-light);
}

.footer-column address {
  font-style: normal;
  color: var(--footer-text);
  opacity: 0.8;
  line-height: 1.8;
}

.footer-column address a {
  color: var(--footer-text);
  transition: var(--transition);
}

.footer-column address a:hover {
  color: var(--primary-light);
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-icons a {
  color: var(--footer-text);
  opacity: 0.8;
  transition: var(--transition);
}

.social-icons a:hover {
  opacity: 1;
  color: var(--primary-light);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: var(--footer-text);
  opacity: 0.6;
  margin-bottom: 0;
}

/* Cookie Notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  color: white;
  z-index: 9999;
  padding: 20px;
  display: none;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.cookie-content p {
  margin-bottom: 15px;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.cookie-buttons button {
  padding: 8px 15px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

#cookie-accept {
  background-color: var(--primary-color);
  color: white;
}

#cookie-accept:hover {
  background-color: var(--primary-dark);
}

#cookie-customize, #cookie-reject {
  background-color: transparent;
  border: 1px solid white;
  color: white;
}

#cookie-customize:hover, #cookie-reject:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.cookie-content a {
  color: var(--primary-light);
}

.cookie-content a:hover {
  text-decoration: underline;
}

/* Notification */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background-color: var(--success-color);
  color: white;
  padding: 15px 25px;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 9999;
  transform: translateY(-100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.notification.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 1200px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .checkout-container {
    grid-template-columns: 1fr;
  }
  
  .order-summary {
    order: -1;
  }
}

@media (max-width: 992px) {
  .advantage-card, .mission-card {
    padding: 20px;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .tabs {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 10px;
  }
  
  .tab-btn {
    padding: 15px 20px;
  }
  
  .cart-header, .cart-item {
    grid-template-columns: 2fr 1fr 1fr 1fr 0.5fr;
  }
  
  .cart-product-info {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
  }
  
  .cart-summary {
    flex-direction: column;
  }
  
  .cart-coupon, .cart-totals {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: white;
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .main-nav li {
    margin: 10px 0;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .advantages-grid, .mission-grid {
    grid-template-columns: 1fr;
  }
  
  .stat {
    flex-basis: 50%;
    margin-bottom: 30px;
  }
  
  .product-grid {
    grid-template-columns: 1fr;
  }
  
  .cart-header, .cart-item {
    grid-template-columns: 3fr 2fr;
    row-gap: 15px;
  }
  
  .cart-product-col {
    grid-column: 1 / 3;
  }
  
  .cart-price-col, .cart-quantity-col, .cart-total-col {
    display: flex;
    align-items: center;
  }
  
  .cart-price-col::before, .cart-quantity-col::before, .cart-total-col::before {
    content: attr(data-label);
    font-weight: 600;
    margin-right: 10px;
  }
  
  .cart-action-col {
    justify-self: end;
  }
  
  .fact-item {
    flex-direction: column;
  }
  
  .fact-item img {
    width: 100%;
    height: auto;
    max-height: 250px;
  }
}

@media (max-width: 576px) {
  .form-row {
    flex-direction: column;
    gap: 0;
  }
  
  .hero h1 {
    font-size: 1.8rem;
  }
  
  .product-actions {
    flex-direction: column;
  }
  
  .cart-actions {
    grid-template-columns: 1fr;
  }
  
  .cart-coupon {
    flex-direction: column;
  }
  
  .cart-coupon input, .cart-coupon button {
    border-radius: var(--border-radius);
    width: 100%;
  }
  
  .cart-coupon input {
    margin-bottom: 10px;
    border-right: 1px solid var(--border-color);
  }
  
  .success-actions {
    flex-direction: column;
  }
  
  .post-purchase-steps {
    flex-direction: column;
  }
  
  .step-number {
    position: static;
    margin: -40px auto 20px;
    transform: none;
  }
}