:root {
    --primary: #0f0c29;
    --secondary: #302b63;
    --accent: #00d2ff;
    --accent2: #3a7bd5;
    --text: rgba(255,255,255,0.9);
    --card-bg: rgba(255,255,255,0.05);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--text);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    padding-top: 80px;
  }

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

  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 12, 41, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(58, 123, 213, 0.2);
  }

  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.3);
  }

  .nav-links {
    display: flex;
    gap: 25px;
  }

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

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    transition: var(--transition);
  }

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

  .hero {
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(58, 123, 213, 0.1) 0%, transparent 70%);
    z-index: -1;
    animation: pulse 15s infinite alternate;
  }

  @keyframes pulse {
    0% {
      transform: translate(0, 0);
    }
    50% {
      transform: translate(50px, 50px);
    }
    100% {
      transform: translate(0, 0);
    }
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--accent), var(--accent2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
  }

  .reference-banner {
    background: rgba(0, 210, 255, 0.1);
    border: 1px solid rgba(0, 210, 255, 0.3);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 40px;
    text-align: center;
    font-size: 0.9rem;
  }

  .content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    margin-bottom: 80px;
  }

  article {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(58, 123, 213, 0.1);
    transition: var(--transition);
  }

  article:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
  }

  article h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--accent);
    position: relative;
    padding-bottom: 15px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
  }

  article h3 {
    font-size: 1.5rem;
    margin: 30px 0 20px;
    color: var(--accent2);
  }

  article p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
  }

  article strong {
    color: var(--accent);
  }

  .image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
  }

  .gallery-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    position: relative;
  }

  .gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  }

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

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

  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border-left: 4px solid var(--accent);
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    position: relative;
  }

  pre::before {
    content: 'CSS';
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent);
    color: white;
    padding: 2px 10px;
    font-size: 0.8rem;
    border-bottom-left-radius: 4px;
  }

  code {
    font-family: 'Fira Code', monospace;
    background: rgba(0, 210, 255, 0.1);
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 0.9rem;
  }

  footer {
    background: rgba(15, 12, 41, 0.9);
    padding: 30px 0;
    text-align: center;
    margin-top: 80px;
    border-top: 1px solid rgba(58, 123, 213, 0.2);
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
  }

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

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

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

  @media (max-width: 768px) {
    .hero h1 {
      font-size: 2.5rem;
    }
    
    .nav-links {
      gap: 15px;
    }
    
    article {
      padding: 30px;
    }
  }

  @media (max-width: 480px) {
    .hero h1 {
      font-size: 2rem;
    }
    
    .nav-links {
      display: none;
    }
    
    article {
      padding: 20px;
    }
  }