:root {
    --primary: #3a1c71;
    --secondary: #5d26ce;
    --accent: #00d4ff;
    --text-dark: #333333;
    --text-light: #ffffff;
    --background-light: #f5f5f7;
    --background-dark: #1e1e2a;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --transition: all 0.3s ease;
  }

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

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

  /* General Styles */
  section {
    padding: var(--spacing-lg) var(--spacing-sm);
    position: relative;
    overflow: hidden;
  }

  .content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.1;
  }

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

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

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

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

  .cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    color: var(--text-light);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(93, 38, 206, 0.4);
    transition: var(--transition);
    border: none;
    cursor: pointer;
  }

  .cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(93, 38, 206, 0.5);
  }

  /* Hero Section */
  .hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--background-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .hero-section .bg-image {
    opacity: 0.3;
  }

  .hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(to right, var(--accent), #ff8a00);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  }

  .hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Collection Section */
  .collection-section {
    background-color: var(--background-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .product-categories {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
  }

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

  .category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  }

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

  .category-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: var(--spacing-sm) var(--spacing-sm) 0.5rem;
  }

  .category-card p {
    color: var(--text-dark);
    margin: 0 var(--spacing-sm) var(--spacing-sm);
    line-height: 1.6;
  }

  .category-link {
    display: inline-block;
    margin: 0 var(--spacing-sm) var(--spacing-sm);
    color: var(--secondary);
    font-weight: 600;
    text-decoration: none;
    position: relative;
  }

  .category-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
  }

  .category-link:hover::after {
    width: 100%;
  }

  /* Featured Section */
  .featured-section {
    background-color: var(--background-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .featured-section .section-header h2 {
    color: var(--text-light);
  }

  .featured-section .section-header p {
    color: var(--text-light);
    opacity: 0.8;
  }

  .featured-product {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
  }

  .product-image {
    flex: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

  .product-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
  }

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

  .product-info {
    flex: 1;
    padding: var(--spacing-md);
  }

  .product-info h3 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent);
  }

  .product-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
  }

  .features-list {
    list-style: none;
    margin-bottom: var(--spacing-md);
  }

  .features-list li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
  }

  .features-list i {
    color: var(--accent);
    margin-right: 10px;
  }

  .product-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .product-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-light);
  }

  /* Technology Section */
  .technology-section {
    background-color: var(--background-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .tech-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
  }

  .tech-item {
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
  }

  .tech-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  }

  .tech-item i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .tech-item h3 {
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
  }

  .tech-item p {
    color: var(--text-dark);
    line-height: 1.6;
  }

  .tech-item a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
  }

  /* Testimonials Section */
  .testimonials-section {
    background-color: var(--background-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .testimonials-section .section-header h2 {
    color: var(--text-light);
  }

  .testimonials-section .section-header p {
    color: var(--text-light);
    opacity: 0.8;
  }

  .testimonials-slider {
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    position: relative;
    overflow: hidden;
  }

  .testimonial-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: 0 auto;
    max-width: 800px;
  }

  .quote {
    margin-bottom: var(--spacing-md);
    position: relative;
  }

  .quote i {
    font-size: 1.5rem;
    color: var(--accent);
    opacity: 0.5;
    position: absolute;
    top: -10px;
    left: -10px;
  }

  .quote p {
    font-size: 1.1rem;
    line-height: 1.7;
    font-style: italic;
    margin-left: 20px;
  }

  .author {
    display: flex;
    align-items: center;
  }

  .author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 15px;
    border: 2px solid var(--accent);
  }

  .author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
  }

  .author-info p {
    font-size: 0.9rem;
    opacity: 0.7;
  }

  .slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
  }

  .prev-btn, .next-btn {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
  }

  .prev-btn:hover, .next-btn:hover {
    color: var(--accent);
  }

  .slider-dots {
    display: flex;
    gap: 8px;
  }

  .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
  }

  .dot.active {
    background-color: var(--accent);
  }

  /* Newsletter Section */
  .newsletter-section {
    background-color: var(--background-light);
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .newsletter-section .content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
  }

  .newsletter-text h2 {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
  }

  .newsletter-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .form-group {
    width: 100%;
  }

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

  .form-group input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
  }

  .form-group input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(93, 38, 206, 0.2);
  }

  /* Responsive Styles */
  @media (min-width: 768px) {
    .product-categories {
      grid-template-columns: repeat(2, 1fr);
    }

    .tech-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .newsletter-form {
      flex-direction: row;
    }

    .newsletter-form .form-group {
      flex: 1;
    }

    .newsletter-form .cta-button {
      align-self: flex-end;
    }
  }

  @media (min-width: 1024px) {
    section {
      padding: var(--spacing-lg) var(--spacing-lg);
    }

    .hero-section h1 {
      font-size: 4.5rem;
    }

    .hero-subtitle {
      font-size: 1.8rem;
    }

    .product-categories {
      grid-template-columns: repeat(4, 1fr);
    }

    .featured-product {
      flex-direction: row;
      align-items: stretch;
    }

    .tech-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }