:root {
    --primary: #2c3e50;
    --secondary: #e67e22;
    --light: #f5f5f5;
    --dark: #333333;
    --accent: #3498db;
    --text: #2c3e50;
    --text-light: #f5f5f5;
    --border: #dddddd;
    --shadow: rgba(0, 0, 0, 0.1);
  }

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

  body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text);
    line-height: 1.6;
  }

  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
  }

  section {
    padding: 5rem 0;
    position: relative;
  }

  h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--primary);
  }

  h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
  }

  h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
  }

  h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }

  h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
  }

  p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
  }

  a {
    text-decoration: none;
    color: var(--accent);
    transition: all 0.3s ease;
  }

  a:hover {
    color: var(--secondary);
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.15;
  }

  /* Hero Section */
  .hero-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    background-color: var(--primary);
    color: var(--light);
    overflow: hidden;
  }

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

  .hero-section h1, 
  .hero-section .hero-subtitle {
    color: var(--light);
    max-width: 800px;
  }

  .hero-subtitle {
    font-size: 1.4rem;
    margin-bottom: 2rem;
  }

  /* Collections Intro */
  .collections-intro {
    background-color: var(--light);
  }

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

  /* Collection Showcase */
  .collection-showcase {
    background-color: #fff;
  }

  .collection-item {
    display: flex;
    margin-bottom: 6rem;
    gap: 4rem;
    align-items: center;
  }

  .collection-item.reverse {
    flex-direction: row-reverse;
  }

  .collection-image {
    flex: 1;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 15px 30px var(--shadow);
  }

  .collection-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
  }

  .collection-image img:hover {
    transform: scale(1.03);
  }

  .collection-content {
    flex: 1;
  }

  .collection-tag {
    display: inline-block;
    background-color: var(--secondary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }

  .collection-features {
    list-style: none;
    margin-bottom: 2rem;
  }

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

  .collection-features i {
    color: var(--secondary);
    margin-right: 0.8rem;
  }

  .btn-collection {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all 0.3s ease;
  }

  .btn-collection:hover {
    background-color: var(--secondary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  /* Collection Highlight */
  .collection-highlight {
    background-color: var(--primary);
    color: var(--light);
    padding: 8rem 0;
    text-align: center;
  }

  .highlight-content {
    max-width: 700px;
    margin: 0 auto;
  }

  .collection-highlight h2,
  .collection-highlight h3 {
    color: var(--light);
  }

  .collection-highlight h3 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--secondary);
  }

  .btn-highlight {
    display: inline-block;
    background-color: var(--secondary);
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    margin-top: 2rem;
    transition: all 0.3s ease;
  }

  .btn-highlight:hover {
    background-color: #d35400;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  }

  /* Materials Section */
  .collection-materials {
    background-color: #f9f9f9;
    text-align: center;
  }

  .materials-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
  }

  .materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
  }

  .material-item {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 15px var(--shadow);
    transition: transform 0.3s ease;
  }

  .material-item:hover {
    transform: translateY(-10px);
  }

  .material-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
  }

  .materials-note {
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem;
    background-color: var(--light);
    border-radius: 8px;
    border-left: 4px solid var(--accent);
  }

  .materials-note p {
    margin-bottom: 0;
  }

  /* Customization Section */
  .collection-customization {
    background-color: white;
  }

  .customization-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }

  .customization-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 3rem 0;
  }

  .option-item {
    padding: 2rem 1.5rem;
    border-radius: 8px;
    background-color: var(--light);
    transition: all 0.3s ease;
  }

  .option-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--shadow);
  }

  .option-item i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 1rem;
  }

  .customization-cta {
    margin-top: 3rem;
    padding: 2rem;
    background-color: #f5f5f5;
    border-radius: 8px;
  }

  .btn-customize {
    display: inline-block;
    background-color: var(--secondary);
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 4px;
    font-weight: 600;
    margin-top: 1rem;
    transition: all 0.3s ease;
  }

  .btn-customize:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  /* Responsive Design */
  @media (max-width: 1024px) {
    h1 {
      font-size: 2.5rem;
    }
    
    h2 {
      font-size: 2rem;
    }
    
    .materials-grid,
    .customization-options {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 768px) {
    section {
      padding: 4rem 0;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.8rem;
    }
    
    .collection-item {
      flex-direction: column;
      gap: 2rem;
    }
    
    .collection-item.reverse {
      flex-direction: column;
    }
    
    .collection-image {
      margin-bottom: 1rem;
    }
    
    .materials-grid,
    .customization-options {
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 1.8rem;
    }
    
    .hero-subtitle {
      font-size: 1.1rem;
    }
    
    .collection-highlight h3 {
      font-size: 2rem;
    }
  }

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