/* Reset and base styles */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    color: #f0f0f0;
    line-height: 1.6;
    font-size: 16px;
    padding: 20px;
  }

  a {
    color: #ffa500;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  a:hover {
    color: #ff6347;
  }

  header {
    text-align: center;
    padding: 50px 0;
    position: relative;
  }

  header h1 {
    font-size: 2.5em;
    color: #ffa500;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    animation: fadeInDown 1s ease-out forwards;
  }

  @keyframes fadeInDown {
    from {
      opacity: 0;
      transform: translateY(-50px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .section {
    padding: 60px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .section:last-child {
    border-bottom: none;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
  }

  .left-panel, .right-panel {
    background: rgba(0, 0, 0, 0.6);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .left-panel:hover, .right-panel:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  }

  .left-panel {
    flex: 0 0 68%;
    margin-right: 2%;
    background: linear-gradient(135deg, #16213e, #1a1a2e);
  }

  .right-panel {
    flex: 0 0 30%;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
  }

  h2, h3, h4 {
    color: #ffa500;
    margin-bottom: 20px;
    position: relative;
  }

  h2::after, h3::after, h4::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: #ff6347;
    margin-top: 10px;
    border-radius: 2px;
  }

  p, ul {
    margin-bottom: 20px;
  }

  ul li {
    margin-left: 20px;
    list-style: disc;
  }

  pre {
    background: #333333;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
  }

  code {
    color: #ff6347;
    font-family: 'Courier New', Courier, monospace;
  }

  .decorative-line {
    height: 2px;
    background: linear-gradient(90deg, #0074D9, #FFA500);
    margin: 40px 0;
    border: none;
  }

  .image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
  }

  .image-gallery img {
    width: calc(33.333% - 10px);
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .image-gallery img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0,0,0,0.7);
  }

  .note {
    background: rgba(255, 165, 0, 0.1);
    padding: 15px;
    border-left: 5px solid #ffa500;
    border-radius: 5px;
    margin-top: 30px;
    font-style: italic;
    color: #ffefd5;
  }

  footer {
    text-align: center;
    padding: 30px 0;
    color: #888;
  }

  @media (max-width: 992px) {
    .left-panel, .right-panel {
      flex: 0 0 100%;
      margin-right: 0;
    }

    .image-gallery img {
      width: calc(50% - 10px);
    }
  }

  @media (max-width: 768px) {
    body {
      padding: 10px;
    }

    header h1 {
      font-size: 2em;
    }

    .container {
      flex-direction: column;
    }

    .image-gallery img {
      width: 100%;
    }
  }

  @media (max-width: 480px) {
    h2 {
      font-size: 1.5em;
    }

    h3 {
      font-size: 1.3em;
    }

    p, ul {
      font-size: 14px;
    }

    .image-gallery img {
      width: 100%;
    }
  }