:root {
    --primary: linear-gradient(135deg, #8e2de2, #4a00e0, #00c6ff, #3a7bd5);
    --secondary: rgba(255, 255, 255, 0.1);
    --accent: #00c6ff;
    --text: #f8f9fa;
    --dark: #121212;
    --light: #ffffff;
    --radius: 12px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }

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

  body {
    font-family: 'Roboto', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--dark);
    background-attachment: fixed;
    overflow-x: hidden;
  }

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

  /* Header Styles */
  .hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 80px;
  }

  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary);
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    z-index: -2;
  }

  .hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, transparent 0%, var(--dark) 70%);
    z-index: -1;
  }

  @keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  .hero-content {
    text-align: center;
    padding: 40px;
    max-width: 800px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #ffffff, #00c6ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }

  .hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
  }

  /* Navigation */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
  }

  .nav-links {
    display: flex;
    gap: 30px;
  }

  .nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
  }

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

  .nav-links a:hover {
    color: var(--accent);
  }

  /* Main Content */
  main {
    padding-top: 100px;
    padding-bottom: 100px;
  }

  article {
    background: rgba(30, 30, 30, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 50px;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
  }

  article h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--accent);
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
  }

  article h3 {
    font-size: 1.8rem;
    margin: 40px 0 20px;
    color: var(--light);
  }

  article p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
  }

  /* Code Blocks */
  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius);
    padding: 25px;
    margin: 30px 0;
    overflow: auto;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
    border-left: 4px solid var(--accent);
  }

  code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    color: #f8f8f2;
  }

  /* Image Gallery */
  .gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  .gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
  }

  .gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  }

  .gallery-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
    transition: var(--transition);
  }

  .gallery-item:hover img {
    transform: scale(1.05);
  }

  .gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    color: var(--light);
    opacity: 0;
    transition: var(--transition);
  }

  .gallery-item:hover .gallery-caption {
    opacity: 1;
  }

  /* Highlight Sections */
  .highlight {
    background: var(--primary);
    padding: 60px;
    border-radius: var(--radius);
    margin: 60px 0;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
  }

  .highlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    z-index: 0;
  }

  @keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }

  .highlight-content {
    position: relative;
    z-index: 1;
  }

  .highlight h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--light);
  }

  /* Footer */
  footer {
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    padding: 40px 0;
    text-align: center;
    margin-top: 100px;
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
  }

  .footer-links a {
    color: var(--light);
    text-decoration: none;
    transition: var(--transition);
  }

  .footer-links a:hover {
    color: var(--accent);
  }

  .copyright {
    opacity: 0.7;
    font-size: 0.9rem;
  }

  /* Responsive */
  @media (max-width: 992px) {
    .hero h1 {
      font-size: 2.8rem;
    }
    
    article {
      padding: 40px;
    }
  }

  @media (max-width: 768px) {
    .hero {
      height: 500px;
    }
    
    .hero h1 {
      font-size: 2.2rem;
    }
    
    .nav-links {
      gap: 20px;
    }
    
    article {
      padding: 30px;
    }
    
    .gallery {
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
  }

  @media (max-width: 576px) {
    .navbar {
      padding: 15px 20px;
    }
    
    .nav-links {
      gap: 15px;
    }
    
    .hero {
      height: 400px;
      margin-bottom: 50px;
    }
    
    .hero h1 {
      font-size: 1.8rem;
    }
    
    article {
      padding: 20px;
    }
    
    article h2 {
      font-size: 2rem;
    }
    
    .highlight {
      padding: 40px 20px;
    }
  }

  /* Utility Classes */
  .btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--accent);
    color: var(--dark);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 5px 15px rgba(0, 198, 255, 0.4);
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 198, 255, 0.6);
  }

  .text-center {
    text-align: center;
  }

  .mb-30 {
    margin-bottom: 30px;
  }

  .mt-50 {
    margin-top: 50px;
  }

  .reference-banner {
    background: rgba(0, 198, 255, 0.1);
    border-left: 4px solid var(--accent);
    padding: 15px;
    margin: 30px 0;
    font-size: 0.9rem;
    border-radius: 0 var(--radius) var(--radius) 0;
  }