:root {
    --primary: linear-gradient(135deg, #0F52BA, #4A90E2);
    --secondary: #8B00FF;
    --accent: #4A90E2;
    --text: #ffffff;
    --glass: rgba(255, 255, 255, 0.2);
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --border: 1px solid rgba(255, 255, 255, 0.18);
  }

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

  body {
    font-family: 'Montserrat', 'Segoe UI', sans-serif;
    background: var(--primary);
    color: var(--text);
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
  }

  .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
  }

  .hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 600px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 4rem;
    border-radius: 20px;
    background: var(--glass);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    border: var(--border);
    padding: 3rem;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139,0,255,0.1) 0%, rgba(0,0,0,0) 70%);
    animation: rotate 20s linear infinite;
    z-index: -1;
  }

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

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

  h1 {
    font-size: 3.5rem;
    background: linear-gradient(to right, #fff, #8B00FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(139,0,255,0.3);
  }

  h2 {
    font-size: 2.5rem;
    margin-top: 3rem;
    position: relative;
    display: inline-block;
  }

  h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--accent), var(--secondary));
    border-radius: 3px;
  }

  h3 {
    font-size: 1.8rem;
    margin-top: 2.5rem;
    color: #e6e6e6;
  }

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

  .glass-card {
    background: var(--glass);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    border: var(--border);
    padding: 2rem;
    margin-bottom: 3rem;
    transition: all 0.3s ease;
  }

  .glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
  }

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

  .tech-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
  }

  .tech-image:hover {
    transform: scale(1.03);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  }

  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem 0;
    overflow: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    position: relative;
  }

  pre::before {
    content: 'CSS';
    position: absolute;
    top: 0;
    right: 0;
    background: var(--secondary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 0 10px 0 10px;
    font-size: 0.8rem;
  }

  code {
    font-family: 'Courier New', monospace;
    background: rgba(0,0,0,0.2);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.95rem;
  }

  .btn {
    display: inline-block;
    background: linear-gradient(145deg, #ffffff, #e6e6e6);
    border: none;
    border-radius: 10px;
    box-shadow: 5px 5px 15px #bebebe, -5px -5px 15px #ffffff;
    padding: 12px 25px;
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 1rem 0;
    text-decoration: none;
  }

  .btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--secondary);
    color: var(--secondary);
  }

  .nav-links {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
    display: flex;
    gap: 1rem;
  }

  .nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
  }

  .nav-link:hover {
    background: rgba(255,255,255,0.2);
    color: var(--secondary);
  }

  .notice {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.7);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    backdrop-filter: blur(5px);
    z-index: 100;
  }

  ol, ul {
    margin-left: 2rem;
    margin-bottom: 2rem;
  }

  li {
    margin-bottom: 0.8rem;
  }

  em {
    font-style: italic;
    color: #e6e6e6;
  }

  @media (max-width: 768px) {
    .container {
      padding: 1rem;
    }
    
    h1 {
      font-size: 2.5rem;
    }
    
    h2 {
      font-size: 2rem;
    }
    
    .hero {
      min-height: 400px;
      padding: 2rem 1rem;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
    
    .nav-links {
      top: 1rem;
      right: 1rem;
    }
  }