:root {
    --primary: #1A237E;
    --accent1: #03A9F4;
    --accent2: #8BC34A;
    --bg-gradient: linear-gradient(135deg, #1E1E1E 0%, #3C1651 100%);
    --card-bg: rgba(255, 255, 255, 0.1);
    --text-light: #FFFFFF;
    --text-muted: rgba(255, 255, 255, 0.7);
    --border-radius: 15px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  }

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

  body {
    background: var(--bg-gradient);
    color: var(--text-light);
    font-family: 'Montserrat', 'Arial', sans-serif;
    line-height: 1.6;
    padding: 0;
    margin: 0;
    min-height: 100%;
    overflow-x: hidden;
  }

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

  .hero {
    position: relative;
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(3, 169, 244, 0.2) 0%, transparent 70%);
    z-index: -1;
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--accent1), var(--accent2));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 20px rgba(3, 169, 244, 0.3);
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--text-muted);
  }

  .notice {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 15px;
    border-radius: var(--border-radius);
    margin: 20px 0;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
  }

  .grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
    margin: 50px 0;
  }

  article {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  article h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent1);
    position: relative;
    padding-bottom: 10px;
  }

  article h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent1), transparent);
  }

  article h3 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--accent2);
  }

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

  pre {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    overflow: auto;
    margin: 20px 0;
    border-left: 4px solid var(--accent1);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent2);
  }

  .image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
  }

  .gallery-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
  }

  .gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  }

  .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
  }

  .gallery-item:hover img {
    transform: scale(1.05);
  }

  .card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin: 40px 0;
  }

  .card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
  }

  .card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.2);
  }

  .card h4 {
    color: var(--accent1);
    margin-bottom: 15px;
    font-size: 1.3rem;
  }

  .card p {
    color: var(--text-muted);
    margin-bottom: 10px;
  }

  .card .highlight {
    color: var(--accent2);
    font-weight: bold;
  }

  .nav-links {
    position: sticky;
    top: 0;
    background: rgba(26, 35, 126, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  }

  .nav-links ul {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 30px;
  }

  .nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 15px;
    border-radius: 5px;
    transition: var(--transition);
    position: relative;
  }

  .nav-links a:hover {
    color: var(--accent1);
  }

  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--accent1);
    transition: var(--transition);
  }

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

  @media (max-width: 768px) {
    .grid-layout {
      grid-template-columns: 1fr;
    }
    
    .hero h1 {
      font-size: 2.5rem;
    }
    
    .nav-links ul {
      flex-wrap: wrap;
      gap: 15px;
    }
  }

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

  .floating {
    animation: float 6s ease-in-out infinite;
  }