:root {
  --primary-color: #2c3e50;
  --secondary-color: #e74c3c;
  --accent-color: #3498db;
  --text-color: #333;
  --light-bg: #ecf0f1;
  --dark-bg: #34495e;
  --success-color: #27ae60;
  --warning-color: #f39c12;
  --border-color: #bdc3c7;
  --retro-cyan: #00d9ff;
  --retro-purple: #9b59b6;
  --retro-pink: #ff006e;
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

* {
  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-color);
  background: #f8f9fa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.summary-banner {
  background: var(--gradient-1);
  color: white;
  padding: 12px 0;
  text-align: center;
  font-size: 14px;
}

.summary-banner i {
  margin-right: 8px;
}

header {
  background: var(--primary-color);
  color: white;
  padding: 20px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  color: white;
}

.logo img {
  border-radius: 8px;
  border: 2px solid var(--retro-cyan);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
  align-items: center;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

nav a:hover,
nav a.active {
  color: var(--retro-cyan);
}

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
}

.cart-count {
  background: var(--secondary-color);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: bold;
}

.hero {
  background: var(--gradient-2);
  color: white;
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 20px;
  margin-bottom: 30px;
}

.cta-button {
  display: inline-block;
  background: white;
  color: var(--primary-color);
  padding: 15px 40px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

.features {
  padding: 80px 0;
  background: white;
}

.features h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
  color: var(--primary-color);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.feature-card {
  background: var(--light-bg);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-card i {
  font-size: 48px;
  color: var(--accent-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 50px;
  padding: 40px;
  background: var(--gradient-3);
  border-radius: 15px;
  color: white;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 42px;
  font-weight: bold;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 16px;
  opacity: 0.9;
}

.about-products {
  padding: 80px 0;
  background: var(--light-bg);
}

.about-products h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.about-content {
  max-width: 900px;
  margin: 0 auto;
}

.about-content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
}

.quality-badges {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 40px;
}

.badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: white;
  padding: 15px 25px;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.badge i {
  font-size: 24px;
  color: var(--success-color);
}

.products {
  padding: 80px 0;
  background: white;
}

.products h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
  color: var(--primary-color);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.product-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

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

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

.product-badge {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--secondary-color);
  color: white;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.product-info p {
  font-size: 14px;
  color: #666;
  margin-bottom: 15px;
  line-height: 1.6;
}

.product-price {
  font-size: 28px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.btn-primary {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
  text-align: center;
}

.btn-primary:hover {
  background: #2980b9;
}

.cta-section {
  padding: 80px 0;
  background: var(--gradient-1);
  color: white;
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 30px;
}

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

.product-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.product-image-large {
  position: relative;
}

.product-image-large img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.product-badge-large {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--secondary-color);
  color: white;
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: bold;
}

.product-details h1 {
  font-size: 32px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.product-rating {
  margin-bottom: 20px;
  color: var(--warning-color);
}

.product-rating span {
  color: #666;
  margin-left: 10px;
}

.product-price-large {
  font-size: 36px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.product-description {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 30px;
  color: #555;
}

.product-features h3,
.product-specs h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.product-features ul {
  list-style: none;
  margin-bottom: 30px;
}

.product-features li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.product-features li i {
  color: var(--success-color);
  margin-right: 10px;
}

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

.product-specs td {
  padding: 10px;
  border-bottom: 1px solid var(--border-color);
}

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

.btn-add-cart,
.btn-buy-now {
  flex: 1;
  padding: 15px 30px;
  border: none;
  border-radius: 25px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-add-cart {
  background: var(--accent-color);
  color: white;
}

.btn-add-cart:hover {
  background: #2980b9;
  transform: translateY(-2px);
}

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

.btn-buy-now:hover {
  background: #c0392b;
  transform: translateY(-2px);
}

.related-products {
  padding: 60px 0;
  background: var(--light-bg);
}

.related-products h2 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.cart-section {
  padding: 60px 0;
  min-height: 500px;
}

.cart-section h1 {
  font-size: 36px;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.empty-cart {
  text-align: center;
  padding: 80px 20px;
}

.empty-cart i {
  font-size: 80px;
  color: var(--border-color);
  margin-bottom: 20px;
}

.empty-cart h2 {
  font-size: 28px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.cart-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 30px;
}

.cart-items {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.cart-item {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
  border-bottom: none;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  object-fit: cover;
}

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

.cart-item-details h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.cart-item-price {
  font-size: 20px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.quantity-control {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border-color);
  border-radius: 25px;
  padding: 5px 15px;
}

.quantity-control button {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--primary-color);
}

.quantity-control span {
  min-width: 30px;
  text-align: center;
  font-weight: bold;
}

.remove-item {
  background: var(--secondary-color);
  color: white;
  border: none;
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.3s;
}

.remove-item:hover {
  background: #c0392b;
}

.cart-summary {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  height: fit-content;
  position: sticky;
  top: 120px;
}

.cart-summary h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 15px 0;
  border-bottom: 1px solid var(--border-color);
}

.summary-row.total {
  font-size: 20px;
  font-weight: bold;
  border-top: 2px solid var(--primary-color);
  border-bottom: none;
  margin-top: 10px;
}

.btn-checkout {
  width: 100%;
  background: var(--success-color);
  color: white;
  padding: 15px;
  border: none;
  border-radius: 25px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  margin-top: 20px;
  transition: background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-checkout:hover {
  background: #229954;
}

.btn-continue {
  display: block;
  text-align: center;
  margin-top: 15px;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
}

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

.checkout-section h1 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.checkout-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 40px;
}

.checkout-form {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.checkout-form h2 {
  font-size: 24px;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
}

.btn-submit {
  width: 100%;
  background: var(--success-color);
  color: white;
  padding: 15px;
  border: none;
  border-radius: 25px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-submit:hover {
  background: #229954;
}

.order-summary {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  height: fit-content;
  position: sticky;
  top: 120px;
}

.order-summary h3 {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.checkout-items {
  margin-bottom: 20px;
}

.checkout-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
}

.summary-totals {
  margin-top: 20px;
}

.secure-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
  padding: 15px;
  background: var(--light-bg);
  border-radius: 10px;
  color: var(--success-color);
  font-weight: 600;
}

.success-section {
  padding: 80px 0;
  background: white;
}

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

.success-icon {
  font-size: 80px;
  color: var(--success-color);
  margin-bottom: 30px;
}

.success-content h1 {
  font-size: 36px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.success-message {
  font-size: 18px;
  margin-bottom: 40px;
  color: #666;
}

.success-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.info-box {
  padding: 30px;
  background: var(--light-bg);
  border-radius: 15px;
}

.info-box i {
  font-size: 40px;
  color: var(--accent-color);
  margin-bottom: 15px;
}

.info-box h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--primary-color);
}

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

.btn-secondary {
  display: inline-block;
  background: white;
  color: var(--accent-color);
  padding: 15px 30px;
  border: 2px solid var(--accent-color);
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
}

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

.success-note {
  background: var(--light-bg);
  padding: 30px;
  border-radius: 15px;
  text-align: left;
}

.success-note ul {
  margin-top: 15px;
  padding-left: 20px;
}

.success-note li {
  margin-bottom: 10px;
}

.contact-hero {
  background: var(--gradient-3);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.contact-hero h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

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

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

.contact-form-wrapper,
.contact-info-wrapper {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
  font-size: 28px;
  margin-bottom: 30px;
  color: var(--primary-color);
}

.contact-info {
  margin-bottom: 30px;
}

.info-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.info-item i {
  font-size: 24px;
  color: var(--accent-color);
  margin-top: 5px;
}

.info-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--primary-color);
}

.info-item p {
  color: #666;
  line-height: 1.6;
}

.social-connect {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
}

.social-connect h3 {
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.social-links-large {
  display: flex;
  gap: 15px;
}

.social-links-large a {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-color);
  color: white;
  border-radius: 50%;
  font-size: 24px;
  transition: all 0.3s;
}

.social-links-large a:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.about-hero {
  background: var(--gradient-1);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.about-hero h1 {
  font-size: 42px;
  margin-bottom: 15px;
}

.about-story {
  padding: 80px 0;
  background: white;
}

.story-content h2 {
  font-size: 36px;
  margin-bottom: 30px;
  color: var(--primary-color);
  text-align: center;
}

.story-content p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 20px;
  text-align: justify;
}

.mission-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 60px;
}

.value-card {
  background: var(--light-bg);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s;
}

.value-card:hover {
  transform: translateY(-10px);
}

.value-card i {
  font-size: 48px;
  color: var(--accent-color);
  margin-bottom: 20px;
}

.value-card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.team-section {
  padding: 80px 0;
  background: var(--light-bg);
}

.team-section h2 {
  text-align: center;
  font-size: 36px;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.team-intro {
  text-align: center;
  font-size: 18px;
  color: #666;
  margin-bottom: 50px;
}

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

.team-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s;
  text-align: center;
}

.team-card:hover {
  transform: translateY(-10px);
}

.team-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.team-card h3 {
  font-size: 22px;
  margin: 20px 0 10px;
  color: var(--primary-color);
}

.team-card .role {
  color: var(--accent-color);
  font-weight: bold;
  margin-bottom: 15px;
}

.team-card .bio {
  padding: 0 20px 20px;
  color: #666;
  line-height: 1.6;
}

footer {
  background: var(--dark-bg);
  color: white;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-column h4 {
  font-size: 20px;
  margin-bottom: 20px;
  color: var(--retro-cyan);
}

.footer-column p {
  line-height: 1.8;
  margin-bottom: 15px;
}

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

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

.footer-column ul li a {
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-column ul li a:hover {
  color: var(--retro-cyan);
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: white;
  border-radius: 50%;
  transition: all 0.3s;
  text-decoration: none;
}

.social-links a:hover {
  background: var(--retro-cyan);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
}

.notification {
  position: fixed;
  top: 100px;
  right: 20px;
  background: var(--success-color);
  color: white;
  padding: 15px 25px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  z-index: 2000;
  display: none;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.cookie-consent {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-color);
  color: white;
  padding: 25px;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
  z-index: 10000;
  display: none;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
}

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

.cookie-buttons {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-accept,
.btn-decline {
  padding: 10px 25px;
  border: none;
  border-radius: 25px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
}

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

.btn-accept:hover {
  background: #229954;
}

.btn-decline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

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

.cookie-link {
  color: var(--retro-cyan);
  text-decoration: none;
  font-weight: 500;
}

.cookie-link:hover {
  text-decoration: underline;
}

[data-tooltip] {
  position: relative;
}

[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1000;
  margin-bottom: 5px;
}

[data-tooltip]:hover::before {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: rgba(0,0,0,0.9);
  z-index: 1000;
}

@media (max-width: 768px) {
  .product-layout,
  .cart-content,
  .checkout-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .hero h1 {
    font-size: 32px;
  }
  
  .features-grid,
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  nav ul {
    flex-direction: column;
    gap: 15px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .stats {
    flex-direction: column;
  }
}