:root {
    --primary-dark: #0B2447;
    --primary-light: #651FFF;
    --accent-pink: #FFC0CB;
    --accent-green: #32CD32;
    --text-light: #FFFFFF;
    --text-dark: #1A1A1A;
    --card-bg: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 20px rgba(0,0,0,0.2);
  }

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

  body {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    color: var(--text-light);
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    padding-top: 80px;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

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

  .header::after {
    content: "";
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-green));
    margin: 20px auto;
    border-radius: 2px;
  }

  h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    margin-bottom: 20px;
  }

  h1 {
    font-size: 2.5rem;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
  }

  h2 {
    font-size: 1.8rem;
    color: var(--text-light);
    position: relative;
    padding-bottom: 10px;
    margin-top: 40px;
  }

  h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-green);
    border-radius: 3px;
  }

  h3 {
    font-size: 1.4rem;
    color: var(--accent-pink);
    margin-top: 30px;
  }

  p {
    margin-bottom: 20px;
    font-size: 1.1rem;
  }

  .highlight {
    color: var(--accent-pink);
    font-weight: 500;
  }

  .accent {
    color: var(--accent-green);
    font-weight: 500;
  }

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

  .card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  }

  .image-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin: 30px 0;
  }

  .decorative-img {
    width: 150px;
    height: 150px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
  }

  .decorative-img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
  }

  pre {
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border-left: 4px solid var(--accent-green);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent-pink);
    font-size: 0.9rem;
  }

  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(11, 36, 71, 0.9);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
  }

  .navbar .logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--text-light);
    text-decoration: none;
  }

  .navbar .menu {
    display: flex;
    gap: 25px;
  }

  .navbar .menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
  }

  .navbar .menu a:hover {
    color: var(--accent-pink);
  }

  .navbar .menu a::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-pink);
    transition: width 0.3s ease;
  }

  .navbar .menu a:hover::after {
    width: 100%;
  }

  .hamburger {
    display: none;
    cursor: pointer;
  }

  .footer {
    text-align: center;
    padding: 30px;
    margin-top: 60px;
    background: rgba(0,0,0,0.2);
    font-size: 0.9rem;
  }

  .reference {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 10px;
    margin: 30px 0;
    text-align: center;
    font-style: italic;
  }

  @keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
  }

  @keyframes slideIn {
    from { transform: translateX(-100px); }
    to { transform: translateX(0); }
  }

  .fade-in {
    animation: fadeIn 1s ease-in-out;
  }

  .slide-in {
    animation: slideIn 1s ease-in-out;
  }

  @media (max-width: 768px) {
    .grid {
      grid-template-columns: 1fr;
    }
    
    .navbar .menu {
      display: none;
    }
    
    .hamburger {
      display: block;
    }
    
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.5rem;
    }
  }