:root {
    --primary: #1a3c5a;
    --secondary: #e74c3c;
    --accent: #f39c12;
    --light: #f5f5f5;
    --dark: #333;
    --gray: #777;
    --light-gray: #eee;
    --box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    --transition: all 0.3s ease;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
  }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
  }

  /* Hero Section */
  .hero-section {
    position: relative;
    height: 80vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
  }

  .bg-image {
    position: absolute;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
  }

  .hero-section .content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
  }

  .hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
  }

  .hero-subtitle {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 2rem;
  }

  .cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--secondary);
    color: white;
    font-size: 1.2rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--box-shadow);
  }

  /* Sale Categories */
  .sale-categories {
    padding: 5rem 2rem;
    background-color: white;
  }

  .section-header {
    text-align: center;
    margin-bottom: 3rem;
  }

  .section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
  }

  .section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary);
  }

  .section-header p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
  }

  .category-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  @media (min-width: 768px) {
    .category-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .category-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .category-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
  }

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

  .category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
  }

  .category-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    padding: 1rem 1.5rem 0.5rem;
  }

  .category-card p {
    color: var(--secondary);
    font-weight: 600;
    padding: 0 1.5rem 1rem;
  }

  .category-link {
    display: block;
    text-align: center;
    padding: 1rem;
    background-color: var(--light-gray);
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
  }

  .category-link:hover {
    background-color: var(--primary);
    color: white;
  }

  /* Featured Products */
  .featured-products {
    padding: 5rem 2rem;
    position: relative;
  }

  .products-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }

  @media (min-width: 768px) {
    .products-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .products-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .product-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    position: relative;
    padding-bottom: 1rem;
  }

  .discount-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: var(--secondary);
    color: white;
    padding: 0.5rem 1rem;
    font-weight: 700;
    border-radius: 50px;
    z-index: 2;
  }

  .product-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
  }

  .product-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    padding: 1rem 1.5rem 0.5rem;
  }

  .price-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
  }

  .old-price {
    color: var(--gray);
    text-decoration: line-through;
    font-size: 1rem;
  }

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

  .product-description {
    padding: 0.5rem 1.5rem;
    color: var(--dark);
    font-size: 0.9rem;
  }

  .product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 1.5rem;
    margin-bottom: 1rem;
  }

  .product-features span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--gray);
    background-color: var(--light-gray);
    padding: 0.3rem 0.7rem;
    border-radius: 50px;
  }

  .product-button {
    display: block;
    width: 80%;
    margin: 0 auto;
    padding: 0.8rem;
    background-color: var(--primary);
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    transition: var(--transition);
  }

  .product-button:hover {
    background-color: var(--secondary);
  }

  /* Limited Offer */
  .limited-offer {
    padding: 5rem 2rem;
    background-color: #f9f9f9;
  }

  .limited-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    border-radius: 15px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
  }

  @media (min-width: 768px) {
    .limited-content {
      flex-direction: row;
    }
  }

  .limited-text {
    padding: 2rem;
    flex: 1;
  }

  .limited-text h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
  }

  .limited-subtitle {
    font-size: 1.5rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
    font-weight: 600;
  }

  .limited-description {
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.7;
  }

  .limited-description a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
  }

  .countdown-container {
    margin-bottom: 2rem;
  }

  .countdown-container p {
    font-weight: 600;
    margin-bottom: 0.5rem;
  }

  .countdown {
    display: flex;
    gap: 1rem;
  }

  .countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--primary);
    color: white;
    padding: 0.8rem;
    border-radius: 5px;
    min-width: 60px;
  }

  .countdown-item span:first-child {
    font-size: 1.5rem;
    font-weight: 700;
  }

  .countdown-item span:last-child {
    font-size: 0.8rem;
    text-transform: uppercase;
  }

  .limited-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 5px;
    margin-top: 1rem;
    transition: var(--transition);
  }

  .limited-button:hover {
    background-color: var(--secondary);
  }

  .limited-image {
    flex: 1;
    max-height: 500px;
    overflow: hidden;
  }

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

  /* Benefits */
  .benefits {
    padding: 5rem 2rem;
    background-color: white;
  }

  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
  }

  @media (min-width: 768px) {
    .benefits-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .benefits-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .benefit-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--light);
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
  }

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

  .benefit-card i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
  }

  .benefit-card h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 1rem;
  }

  .benefit-card p {
    color: var(--gray);
    font-size: 0.9rem;
  }

  /* Newsletter */
  .newsletter {
    padding: 5rem 2rem;
    background-color: var(--primary);
    color: white;
  }

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

  .newsletter h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
  }

  .newsletter p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
  }

  .newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 500px;
    margin: 0 auto;
  }

  .form-group {
    text-align: left;
  }

  .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  .form-group input[type="email"] {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
  }

  .form-group.checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .form-group.checkbox input {
    margin-top: 0.3rem;
  }

  .form-group.checkbox label {
    font-size: 0.9rem;
    font-weight: 400;
  }

  .newsletter-button {
    padding: 1rem;
    background-color: var(--secondary);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
  }

  .newsletter-button:hover {
    background-color: var(--accent);
  }