:root {
    --primary: #1a1a2e;
    --secondary: #16213e;
    --accent: #0f3460;
    --highlight: #e94560;
    --text: #f1f1f1;
    --gradient: linear-gradient(135deg, #0f3460 0%, #533483 100%);
  }

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

  body {
    font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }

  .design-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    z-index: 1000;
    backdrop-filter: blur(5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  }

  .hero {
    height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0.7;
    z-index: -1;
  }

  .hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    width: 100%;
  }

  .hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
    background: linear-gradient(to right, #fff, #e94560);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeIn 1.5s ease;
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin-bottom: 2rem;
    opacity: 0.9;
  }

  .decorative-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 40px;
  }

  .image-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    aspect-ratio: 1/1;
  }

  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
  }

  .image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

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

  .image-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  }

  .content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 80px;
  }

  article {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 60px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-top: -100px;
    position: relative;
    z-index: 2;
  }

  article h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #fff;
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 4px;
    background: var(--highlight);
    border-radius: 2px;
  }

  article h3 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    color: #fff;
  }

  article p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 2rem 0;
    overflow: auto;
    border-left: 4px solid var(--highlight);
  }

  code {
    font-family: 'Fira Code', monospace;
    color: #f8f8f2;
  }

  .nav-tabs {
    position: sticky;
    top: 0;
    background: rgba(22,33,62,0.9);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    display: flex;
    gap: 30px;
    z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }

  .nav-tabs a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    opacity: 0.8;
    transition: opacity 0.3s ease;
  }

  .nav-tabs a:hover {
    opacity: 1;
  }

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

  .nav-tabs a:hover::after {
    width: 100%;
  }

  @keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @media (max-width: 768px) {
    .hero h1 {
      font-size: 2.5rem;
    }
    
    .hero p {
      font-size: 1rem;
    }
    
    .content-container, .hero-content {
      padding: 0 20px;
    }
    
    article {
      padding: 30px;
    }
    
    .decorative-images {
      grid-template-columns: 1fr;
      padding: 30px 20px;
    }
    
    .nav-tabs {
      padding: 15px 20px;
      gap: 15px;
      justify-content: space-between;
    }
  }