:root {
  --primary-color: #2c5f2d;
  --primary-hover: #1e4620;
  --secondary-color: #97b498;
  --accent-color: #d4a574;
  --text-dark: #1a1a1a;
  --text-light: #6b6b6b;
  --text-white: #ffffff;
  --bg-light: #f8f9fa;
  --bg-white: #ffffff;
  --border-color: #e0e0e0;
  --error-color: #dc3545;
  --success-color: #28a745;
  --spacing-unit: 8px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 3);
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

.header {
  background-color: var(--bg-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
}

.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 2);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.logo svg {
  color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: calc(var(--spacing-unit) * 4);
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  position: relative;
  padding: calc(var(--spacing-unit) * 1) 0;
  transition: color 0.3s ease;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

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

.cart-link {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
}

.cart-count {
  background-color: var(--primary-color);
  color: var(--text-white);
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
}

.btn {
  display: inline-block;
  padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 4);
  border-radius: 6px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(44, 95, 45, 0.3);
}

.btn-secondary {
  background-color: var(--bg-light);
  color: var(--text-dark);
  border: 2px solid var(--border-color);
}

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

.btn-full {
  width: 100%;
}

.btn-small {
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  font-size: 0.875rem;
}

.hero {
  padding: calc(var(--spacing-unit) * 10) 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
}

.hero-content h1 {
  font-size: 3rem;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--text-dark);
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
  line-height: 1.8;
}

.hero-image img {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.features {
  padding: calc(var(--spacing-unit) * 10) 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
}

.feature-card {
  text-align: center;
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--text-dark);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
}

.about {
  padding: calc(var(--spacing-unit) * 10) 0;
  background-color: var(--bg-light);
}

.about-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: calc(var(--spacing-unit) * 6);
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--text-dark);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 3);
  line-height: 1.8;
  font-size: 1.1rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 4);
  list-style: none;
}

.about-stats li {
  text-align: center;
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-white);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.about-stats strong {
  display: block;
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.about-stats span {
  color: var(--text-light);
  font-size: 0.9rem;
}

.about-image img {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta {
  padding: calc(var(--spacing-unit) * 10) 0;
  text-align: center;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  color: var(--text-white);
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: calc(var(--spacing-unit) * 4);
  opacity: 0.95;
}

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

.cta .btn-primary:hover {
  background-color: var(--bg-light);
}

.catalog-header {
  padding: calc(var(--spacing-unit) * 6) 0;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
  text-align: center;
}

.catalog-header h1 {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.catalog-header p {
  font-size: 1.1rem;
  color: var(--text-light);
}

.catalog-content {
  padding: calc(var(--spacing-unit) * 6) 0;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: calc(var(--spacing-unit) * 4);
}

.catalog-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.filter-section {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.filter-section h3 {
  font-size: 1.1rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--text-dark);
}

.category-filters {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1);
}

.category-btn {
  padding: calc(var(--spacing-unit) * 1.5);
  background-color: var(--bg-light);
  border: 2px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

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

.category-btn.active {
  background-color: var(--primary-color);
  color: var(--text-white);
  border-color: var(--primary-color);
}

.price-filter {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
}

.price-filter input {
  flex: 1;
  padding: calc(var(--spacing-unit) * 1);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
}

.sort-select {
  width: 100%;
  padding: calc(var(--spacing-unit) * 1.5);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
}

.catalog-results {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.result-count {
  color: var(--text-light);
  font-size: 0.95rem;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: calc(var(--spacing-unit) * 3);
}

.product-card {
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-color: var(--primary-color);
}

.product-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
  background-color: var(--bg-light);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.product-info {
  padding: calc(var(--spacing-unit) * 2);
}

.product-category {
  font-size: 0.8rem;
  color: var(--primary-color);
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.product-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 1);
  color: var(--text-dark);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-author {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

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

.rating-value {
  font-size: 0.85rem;
  color: var(--text-light);
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: calc(var(--spacing-unit) * 2);
  border-top: 1px solid var(--border-color);
}

.product-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
}

.add-to-cart-btn {
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  background-color: var(--primary-color);
  color: var(--text-white);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
}

.add-to-cart-btn:hover {
  background-color: var(--primary-hover);
  transform: scale(1.05);
}

.no-results {
  text-align: center;
  padding: calc(var(--spacing-unit) * 8) 0;
  color: var(--text-light);
}

.no-results svg {
  margin: 0 auto calc(var(--spacing-unit) * 2);
  color: var(--border-color);
}

.no-results h3 {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 3);
  transition: color 0.3s ease;
}

.back-link:hover {
  color: var(--primary-color);
}

.product-detail {
  padding: calc(var(--spacing-unit) * 6) 0;
}

.product-detail-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: calc(var(--spacing-unit) * 6);
  margin-top: calc(var(--spacing-unit) * 3);
}

.product-detail-image {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.product-detail-image img {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.product-detail-info h1 {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.product-meta {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1);
  margin-bottom: calc(var(--spacing-unit) * 3);
  color: var(--text-light);
}

.product-meta-item {
  display: flex;
  gap: calc(var(--spacing-unit) * 1);
}

.product-meta-item strong {
  color: var(--text-dark);
}

.product-description {
  line-height: 1.8;
  margin-bottom: calc(var(--spacing-unit) * 4);
  color: var(--text-light);
  font-size: 1.05rem;
}

.product-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-light);
  border-radius: 8px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 0.5);
}

.detail-label {
  font-size: 0.85rem;
  color: var(--text-light);
}

.detail-value {
  font-weight: 600;
  color: var(--text-dark);
}

.product-purchase {
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-light);
  border-radius: 12px;
}

.product-purchase .product-price {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.product-purchase .btn {
  font-size: 1.1rem;
}

.stock-status {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
  margin-bottom: calc(var(--spacing-unit) * 2);
  color: var(--success-color);
  font-weight: 600;
}

.product-reviews {
  padding: calc(var(--spacing-unit) * 6) 0;
  background-color: var(--bg-light);
}

.product-reviews h2 {
  font-size: 2rem;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.reviews-summary {
  display: flex;
  gap: calc(var(--spacing-unit) * 4);
  padding: calc(var(--spacing-unit) * 4);
  background-color: var(--bg-white);
  border-radius: 12px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

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

.rating-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.rating-stars {
  font-size: 1.5rem;
  color: var(--accent-color);
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.rating-count {
  color: var(--text-light);
  font-size: 0.9rem;
}

.add-review {
  background-color: var(--bg-white);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.add-review h3 {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.review-form .form-group {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.review-form label {
  display: block;
  margin-bottom: calc(var(--spacing-unit) * 1);
  font-weight: 600;
  color: var(--text-dark);
}

.review-form input,
.review-form textarea {
  width: 100%;
  padding: calc(var(--spacing-unit) * 1.5);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

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

.rating-input {
  display: flex;
  gap: calc(var(--spacing-unit) * 1);
}

.rating-input .star {
  font-size: 2rem;
  cursor: pointer;
  color: var(--border-color);
  transition: color 0.3s ease;
}

.rating-input .star:hover,
.rating-input .star.active {
  color: var(--accent-color);
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 3);
}

.review-card {
  background-color: var(--bg-white);
  padding: calc(var(--spacing-unit) * 3);
  border-radius: 12px;
  border: 2px solid var(--border-color);
}

.review-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.review-author {
  font-weight: 600;
  color: var(--text-dark);
}

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

.review-rating {
  color: var(--accent-color);
  margin-bottom: calc(var(--spacing-unit) * 1);
}

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

.cart-page {
  padding: calc(var(--spacing-unit) * 6) 0;
  min-height: 60vh;
}

.cart-page h1 {
  font-size: 2.5rem;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.empty-cart {
  text-align: center;
  padding: calc(var(--spacing-unit) * 8) 0;
}

.empty-cart svg {
  color: var(--border-color);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.empty-cart h2 {
  font-size: 2rem;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.empty-cart p {
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
  font-size: 1.1rem;
}

.cart-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: calc(var(--spacing-unit) * 4);
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 3);
}

.cart-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: calc(var(--spacing-unit) * 3);
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 12px;
  align-items: center;
}

.cart-item-image img {
  width: 120px;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
}

.cart-item-details h3 {
  font-size: 1.2rem;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.cart-item-author {
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.cart-item-price {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-color);
}

.cart-item-actions {
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 2);
  align-items: flex-end;
}

.quantity-controls {
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
  border: 2px solid var(--border-color);
  border-radius: 6px;
}

.quantity-controls button {
  padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
  background-color: transparent;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  color: var(--primary-color);
  transition: background-color 0.3s ease;
}

.quantity-controls button:hover {
  background-color: var(--bg-light);
}

.quantity-controls span {
  padding: 0 calc(var(--spacing-unit) * 2);
  font-weight: 600;
}

.remove-btn {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
  font-size: 0.9rem;
  transition: opacity 0.3s ease;
}

.remove-btn:hover {
  opacity: 0.7;
}

.cart-summary {
  background-color: var(--bg-light);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
  height: fit-content;
  position: sticky;
  top: 100px;
}

.cart-summary h2 {
  font-size: 1.5rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: calc(var(--spacing-unit) * 2);
  font-size: 1.05rem;
}

.summary-row.total {
  padding-top: calc(var(--spacing-unit) * 2);
  border-top: 2px solid var(--border-color);
  margin-top: calc(var(--spacing-unit) * 2);
  font-size: 1.3rem;
  font-weight: 700;
}

.free-shipping {
  color: var(--success-color);
  font-weight: 600;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--bg-white);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: calc(var(--spacing-unit) * 2);
  right: calc(var(--spacing-unit) * 2);
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-light);
  transition: color 0.3s ease;
}

.modal-close:hover {
  color: var(--text-dark);
}

.checkout-form .form-group {
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.checkout-form label {
  display: block;
  margin-bottom: calc(var(--spacing-unit) * 1);
  font-weight: 600;
}

.checkout-form input,
.checkout-form textarea {
  width: 100%;
  padding: calc(var(--spacing-unit) * 1.5);
  border: 2px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

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

.order-total {
  display: flex;
  justify-content: space-between;
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-light);
  border-radius: 8px;
  margin-bottom: calc(var(--spacing-unit) * 3);
  font-size: 1.3rem;
  font-weight: 700;
}

.thank-you-page {
  padding: calc(var(--spacing-unit) * 8) 0;
  min-height: 60vh;
}

.thank-you-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.success-icon {
  color: var(--success-color);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.thank-you-content h1 {
  font-size: 2.5rem;
  color: var(--text-dark);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.thank-you-message {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: calc(var(--spacing-unit) * 4);
  line-height: 1.8;
}

.order-info {
  background-color: var(--bg-light);
  padding: calc(var(--spacing-unit) * 4);
  border-radius: 12px;
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.order-info h2 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.order-details {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 1);
}

.order-details p {
  display: flex;
  justify-content: space-between;
  padding: calc(var(--spacing-unit) * 1) 0;
  border-bottom: 1px solid var(--border-color);
}

.next-steps {
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.next-steps h2 {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 3);
  text-align: center;
}

.step {
  padding: calc(var(--spacing-unit) * 3);
  background-color: var(--bg-light);
  border-radius: 12px;
}

.step-number {
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto calc(var(--spacing-unit) * 2);
}

.step h3 {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.step p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

.thank-you-actions {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  justify-content: center;
  margin-bottom: calc(var(--spacing-unit) * 6);
}

.contact-info {
  background-color: var(--bg-light);
  padding: calc(var(--spacing-unit) * 3);
  border-radius: 12px;
  color: var(--text-light);
}

.footer {
  background-color: var(--text-dark);
  color: var(--text-white);
  padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 3);
  margin-top: calc(var(--spacing-unit) * 8);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

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

.footer-section ul li {
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.footer-section ul li a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-unit) * 1);
}

.footer-section ul li a:hover {
  color: var(--text-white);
}

.footer-bottom {
  text-align: center;
  padding-top: calc(var(--spacing-unit) * 3);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-white);
    flex-direction: column;
    padding: calc(var(--spacing-unit) * 4);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: left 0.3s ease;
    align-items: flex-start;
  }

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

  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

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

  .about-stats {
    grid-template-columns: 1fr;
  }

  .catalog-layout {
    grid-template-columns: 1fr;
  }

  .catalog-sidebar {
    position: static;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

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

  .product-detail-image {
    position: static;
  }

  .product-detail-info h1 {
    font-size: 2rem;
  }

  .product-details-grid {
    grid-template-columns: 1fr;
  }

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

  .cart-summary {
    position: static;
  }

  .cart-item {
    grid-template-columns: 1fr;
  }

  .cart-item-actions {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

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

  .thank-you-actions {
    flex-direction: column;
  }
}