:root {
    --primary: #6A5ACD;
    --secondary: #4B0082;
    --accent: #FFD700;
    --light: rgba(255,255,255,0.8);
    --dark: #1A1A2E;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    font-family: 'Montserrat', system-ui, -apple-system, sans-serif;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
  }

  .wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 60px;
  }

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

  .header::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: var(--accent);
    margin: 30px auto;
    border-radius: 2px;
  }

  h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(90deg, #fff, #FFD700);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 40px 0 20px;
    color: var(--light);
    position: relative;
    padding-left: 20px;
  }

  h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 80%;
    background: var(--accent);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 30px 0 15px;
    color: var(--light);
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.9);
  }

  .notice {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    z-index: 1000;
    backdrop-filter: blur(5px);
  }

  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
  }

  .card {
    background: rgba(255,255,255,0.1);
    border-radius: 15px;
    padding: 30px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: var(--transition);
  }

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

  .card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
  }

  .card-img:hover {
    transform: scale(1.03);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow-x: auto;
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    border-left: 3px solid var(--accent);
  }

  code {
    font-family: 'Fira Code', monospace;
    background: rgba(0,0,0,0.2);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9rem;
  }

  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.3);
    backdrop-filter: blur(10px);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
  }

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

  .nav-link {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
  }

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

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
  }

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

  .logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
  }

  .logo span {
    color: var(--accent);
  }

  .button {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    margin: 10px 0;
    box-shadow: 0 5px 15px rgba(106, 90, 205, 0.4);
    transition: var(--transition);
    border: none;
    cursor: pointer;
  }

  .button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(106, 90, 205, 0.6);
  }

  .divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    margin: 60px 0;
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 2.2rem;
    }
    
    h2 {
      font-size: 1.8rem;
    }
    
    .grid {
      grid-template-columns: 1fr;
    }
    
    .nav-links {
      gap: 15px;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 1.8rem;
    }
    
    .navbar {
      padding: 15px 20px;
    }
    
    .nav-links {
      display: none;
    }
  }