:root {
    --background-dark: #121212;
    --background-secondary: #1E1E1E;
    --accent-orange: #F39C12;
    --accent-red: #E74C3C;
    --text-color: #FFFFFF;
    --text-secondary: #BDC3C7;
    --border-radius: 12px;
    --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background-color: var(--background-dark);
    color: var(--text-color);
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    line-height: 1.6;
    padding: 0;
    overflow-x: hidden;
  }

  body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 1px, transparent 1px),
                radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: twinkling 5s infinite ease-in-out;
    z-index: -1;
  }

  @keyframes twinkling {
    0% { opacity: 0.3; }
    50% { opacity: 0.7; }
    100% { opacity: 0.3; }
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }

  .header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    padding: 2rem 0;
  }

  .header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-red));
    border-radius: 2px;
  }

  h1, h2, h3, h4 {
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
  }

  h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-red));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
  }

  h2 {
    font-size: 1.8rem;
    color: var(--accent-orange);
    position: relative;
    padding-bottom: 0.5rem;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-red);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-top: 2rem;
  }

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

  .card {
    background-color: var(--background-secondary);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
  }

  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3);
  }

  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
  }

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

  .image-container:hover {
    transform: scale(1.02);
  }

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

  .image-container:hover img {
    transform: scale(1.05);
  }

  pre {
    background-color: rgba(30, 30, 30, 0.8);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin: 2rem 0;
    overflow: auto;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-orange);
  }

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

  .note {
    background: rgba(243, 156, 18, 0.1);
    border-left: 4px solid var(--accent-orange);
    padding: 1rem;
    margin: 2rem 0;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
  }

  .note p {
    margin: 0;
  }

  .footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  @media (max-width: 768px) {
    .container {
      padding: 1rem;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
  }