:root {
    --primary: #0f2027;
    --secondary: #203a43;
    --accent: #00c6ff;
    --text: #e0e0e0;
    --card-bg: #1e3c72;
    --highlight: #764ba2;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
  }

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
  }

  .design-notice {
    background: rgba(0,0,0,0.3);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 30px;
    text-align: center;
    font-size: 18px;
    border: 1px solid var(--accent);
  }

  article {
    background: rgba(32, 58, 67, 0.7);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    margin-bottom: 50px;
  }

  h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    margin: 25px 0 15px;
    color: white;
  }

  h2 {
    font-size: 32px;
    background: linear-gradient(90deg, var(--accent), #0072ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(0,198,255,0.3);
  }

  h3 {
    font-size: 24px;
    color: var(--accent);
  }

  p {
    margin-bottom: 20px;
    font-size: 17px;
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
  }

  .decor-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .decor-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,198,255,0.2);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 25px 0;
    overflow: auto;
    border-left: 4px solid var(--accent);
  }

  code {
    font-family: 'Fira Code', monospace;
    color: #f8f8f2;
    font-size: 14px;
  }

  .language-css {
    display: block;
    white-space: pre;
  }

  .nav-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
  }

  .nav-link {
    padding: 12px 25px;
    background: rgba(0,198,255,0.1);
    border-radius: 30px;
    color: var(--accent);
    text-decoration: none;
    border: 1px solid var(--accent);
    transition: all 0.3s ease;
    font-weight: 500;
  }

  .nav-link:hover {
    background: rgba(0,198,255,0.3);
    transform: translateY(-2px);
  }

  .card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .info-card {
    background: linear-gradient(135deg, var(--card-bg), #2a5298);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,198,255,0.2);
  }

  @media (max-width: 768px) {
    article {
      padding: 25px;
    }
    
    h2 {
      font-size: 28px;
    }
    
    h3 {
      font-size: 22px;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
  }

  /* Animation effects */
  @keyframes float {
    0%, 100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-10px);
    }
  }

  .floating {
    animation: float 4s ease-in-out infinite;
  }

  /* Particle background */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
  }

  /* Glow effect */
  .glow {
    text-shadow: 0 0 10px rgba(0,198,255,0.7);
  }