:root {
    --primary: #0f2027;
    --secondary: #203a43;
    --accent: #8a2be2;
    --highlight: #00ffcc;
    --text: #ffffff;
    --card-bg: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
  }

  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
  }

  body {
    background: linear-gradient(135deg, var(--primary), var(--secondary), #2c5364);
    color: var(--text);
    line-height: 1.6;
    min-height: 100%;
    overflow-x: hidden;
  }

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

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    padding: 20px 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
  }

  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--highlight);
    text-decoration: none;
    letter-spacing: 1px;
  }

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

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

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

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

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

  .hero {
    padding: 180px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(138, 43, 226, 0.1) 0%, transparent 70%);
    z-index: -1;
  }

  .hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--highlight), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(138, 43, 226, 0.3);
  }

  .hero-subtitle {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto 40px;
    color: rgba(255, 255, 255, 0.8);
  }

  .hero-image {
    width: 100%;
    max-width: 800px;
    margin: 40px auto 0;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
  }

  .hero-image:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6);
  }

  .section {
    padding: 100px 0;
    position: relative;
  }

  .section-title {
    font-size: 2.5rem;
    margin-bottom: 60px;
    text-align: center;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
  }

  .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
  }

  .card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    transition: var(--transition);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  .card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(138, 43, 226, 0.3);
  }

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

  .card-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--highlight);
  }

  .card-text {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
  }

  .article {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .article h2 {
    font-size: 2rem;
    margin: 40px 0 20px;
    color: var(--highlight);
  }

  .article h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--accent);
  }

  .article p {
    margin-bottom: 20px;
    line-height: 1.8;
  }

  pre {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border-left: 3px solid var(--accent);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--highlight);
  }

  .footer {
    text-align: center;
    padding: 30px 0;
    background: rgba(0, 0, 0, 0.5);
    margin-top: 100px;
  }

  .footer-text {
    color: rgba(255, 255, 255, 0.6);
  }

  .reference {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.7);
    padding: 10px 15px;
    border-radius: 50px;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    z-index: 1000;
  }

  @media (max-width: 768px) {
    .hero-title {
      font-size: 2.5rem;
    }
    
    .hero-subtitle {
      font-size: 1rem;
    }
    
    .nav {
      display: none;
    }
    
    .section-title {
      font-size: 2rem;
    }
    
    .article {
      padding: 20px;
    }
  }

  /* Particle animation */
  .particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
  }

  .particle {
    position: absolute;
    background: rgba(255, 255, 255, 0.8);
    width: 2px;
    height: 2px;
    border-radius: 50%;
    animation: moveParticle 20s linear infinite;
  }

  @keyframes moveParticle {
    from {
      transform: translateY(0) translateX(0);
      opacity: 1;
    }
    to {
      transform: translateY(-100vh) translateX(100vw);
      opacity: 0;
    }
  }

  /* Floating elements */
  .floating {
    animation: floating 6s ease-in-out infinite;
  }

  @keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
  }

  /* Glow effect */
  .glow {
    text-shadow: 0 0 10px var(--accent);
  }

  /* Button styles */
  .btn {
    display: inline-block;
    padding: 12px 30px;
    background: linear-gradient(45deg, var(--accent), var(--highlight));
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(138, 43, 226, 0.3);
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(138, 43, 226, 0.4);
  }