@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700&family=Roboto:wght@300;400;500&display=swap');
  
  :root {
    --primary-dark: #0f2027;
    --primary-mid: #203a43;
    --primary-light: #2c5364;
    --accent-cyan: #00ffff;
    --accent-purple: #8a2be2;
    --accent-pink: #ff00ff;
    --text-light: #ffffff;
    --text-muted: #cccccc;
    --card-bg: rgba(255, 255, 255, 0.05);
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Roboto', sans-serif;
    color: var(--text-muted);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid), var(--primary-light));
    background-size: 400% 400%;
    animation: gradientAnimation 15s ease infinite;
    line-height: 1.6;
    padding: 0;
    overflow-x: hidden;
  }
  
  @keyframes gradientAnimation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
  }
  
  .header {
    text-align: center;
    padding: 3rem 0;
    position: relative;
  }
  
  .header::after {
    content: "";
    display: block;
    width: 150px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
    margin: 1.5rem auto;
    opacity: 0.7;
  }
  
  h1, h2, h3 {
    font-family: 'Orbitron', sans-serif;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
  }
  
  h1 {
    font-size: 2.8rem;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: textGlow 3s ease-in-out infinite alternate;
  }
  
  h2 {
    font-size: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
  }
  
  h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--accent-cyan);
  }
  
  h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
  }
  
  p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
  }
  
  .grid-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin: 3rem 0;
  }
  
  .main-content {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: floatEffect 6s ease infinite;
  }
  
  .sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
  }
  
  .card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
  }
  
  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
  }
  
  .image-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
  }
  
  .decorative-img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    filter: brightness(0.9);
  }
  
  .decorative-img:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.3);
    filter: brightness(1.1);
  }
  
  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    overflow: auto;
    border-left: 3px solid var(--accent-cyan);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
  }
  
  code {
    color: var(--accent-cyan);
    font-family: 'Roboto Mono', monospace;
  }
  
  .notice {
    background: rgba(0, 255, 255, 0.1);
    border-left: 4px solid var(--accent-cyan);
    padding: 1rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
  }
  
  .notice p {
    margin: 0;
    color: var(--text-light);
  }
  
  @keyframes floatEffect {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
  }
  
  @keyframes textGlow {
    0% { text-shadow: 0 0 10px rgba(0, 255, 255, 0.3); }
    100% { text-shadow: 0 0 20px rgba(0, 255, 255, 0.7); }
  }
  
  @media (max-width: 768px) {
    .grid-layout {
      grid-template-columns: 1fr;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
    
    .image-grid {
      grid-template-columns: 1fr;
    }
  }
  
  .nav-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
  }
  
  .nav-link {
    color: var(--text-light);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
    position: relative;
    font-family: 'Orbitron', sans-serif;
  }
  
  .nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s;
  }
  
  .nav-link:hover::after {
    width: 100%;
  }
  
  .nav-link:hover {
    color: var(--accent-cyan);
  }