@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&family=Open+Sans:wght@400;600&family=Roboto:wght@700&display=swap');

  :root {
    --primary-dark: #1E272E;
    --primary-purple: #6C5CE7;
    --accent-blue: #00B894;
    --accent-pink: #FF7F50;
    --accent-green: #2EDD83;
    --highlight-orange: #FFA500;
    --text-light: #FFFFFF;
    --text-gray: #E0E0E0;
  }

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

  body {
    font-family: 'Open Sans', sans-serif;
    background: radial-gradient(circle at 10% 20%, var(--primary-dark) 0%, #0F1721 100%);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
  }

  .design-notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.2);
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 30px;
  }

  header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
  }

  header::after {
    content: '';
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-purple), var(--accent-blue));
    border-radius: 3px;
  }

  h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 20px;
    line-height: 1.3;
  }

  h1 {
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--primary-purple), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 15px;
  }

  h2 {
    font-size: 2rem;
    color: var(--accent-green);
    margin-top: 50px;
    position: relative;
    padding-bottom: 10px;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--highlight-orange), transparent);
  }

  h3 {
    font-size: 1.5rem;
    color: var(--accent-blue);
    margin-top: 40px;
  }

  p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-gray);
  }

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

  article {
    background: rgba(30, 39, 46, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    position: relative;
    overflow: hidden;
  }

  article::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
    z-index: -1;
    animation: rotate 60s linear infinite;
  }

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

  .grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .grid-item {
    background: linear-gradient(145deg, rgba(46, 221, 131, 0.1), rgba(0, 184, 148, 0.15));
    border: 1px solid rgba(46, 221, 131, 0.2);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.4s ease;
    backdrop-filter: blur(5px);
  }

  .grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 184, 148, 0.2);
    border-color: rgba(46, 221, 131, 0.4);
  }

  .image-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 40px 0;
    justify-content: center;
  }

  .image-container {
    width: 320px;
    height: 320px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    position: relative;
  }

  .image-container:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 184, 148, 0.3);
  }

  .image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .image-container:hover img {
    transform: scale(1.1);
  }

  pre {
    background: rgba(20, 25, 30, 0.8);
    border-left: 4px solid var(--accent-blue);
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
  }

  pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(to right, var(--primary-purple), var(--accent-blue));
    border-radius: 8px 8px 0 0;
    opacity: 0.2;
  }

  code {
    color: var(--accent-green);
    font-family: 'Courier New', monospace;
    background: rgba(46, 221, 131, 0.1);
    padding: 2px 5px;
    border-radius: 3px;
  }

  .nav-links {
    position: fixed;
    top: 50%;
    right: 30px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
  }

  .nav-link {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
  }

  .nav-link:hover, .nav-link.active {
    background: var(--accent-blue);
    transform: scale(1.3);
  }

  .nav-link::after {
    content: attr(data-title);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(30, 39, 46, 0.9);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
  }

  .nav-link:hover::after {
    opacity: 1;
  }

  @media (max-width: 768px) {
    .container {
      padding: 60px 20px;
    }

    article {
      padding: 30px;
    }

    h1 {
      font-size: 2.2rem;
    }

    h2 {
      font-size: 1.8rem;
    }

    h3 {
      font-size: 1.3rem;
    }

    .grid-container {
      grid-template-columns: 1fr;
    }

    .nav-links {
      display: none;
    }
  }

  @media (max-width: 480px) {
    .container {
      padding: 40px 15px;
    }

    article {
      padding: 20px;
    }
  }