:root {
    --primary: linear-gradient(135deg, #2c3e50, #8e44ad);
    --secondary: rgba(44, 62, 80, 0.8);
    --accent: #00FF7F;
    --text: #f8f9fa;
    --card-bg: #1a1a2e;
    --highlight: #FFD700;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--primary);
    background-attachment: fixed;
    padding-top: 80px;
  }

  .disclaimer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 14px;
    z-index: 1000;
  }

  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--secondary);
    padding: 15px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
  }

  .navbar:hover {
    background: rgba(142, 68, 173, 0.9);
  }

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

  .nav-links a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
  }

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

  .nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--accent);
    transition: width 0.3s;
  }

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

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

  .hero {
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 50px;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.gptkong.com/demo/sample1.png') center/cover no-repeat;
    opacity: 0.2;
    z-index: -1;
  }

  .hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin-bottom: 30px;
  }

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

  .grid-item {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
  }

  .grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
  }

  .grid-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--accent);
  }

  .grid-item h2 {
    margin-bottom: 20px;
    color: var(--accent);
    font-size: 1.8rem;
  }

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

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

  .image-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
  }

  .image-card:hover {
    transform: scale(1.03);
  }

  .image-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
  }

  .image-card:hover img {
    transform: scale(1.1);
  }

  pre {
    background: #0f0f1a;
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    position: relative;
    border-left: 4px solid var(--accent);
  }

  pre::before {
    content: 'CSS';
    position: absolute;
    top: 0;
    right: 0;
    background: var(--accent);
    color: #000;
    padding: 2px 10px;
    font-size: 12px;
    border-bottom-left-radius: 5px;
  }

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

  .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 30px 0;
  }

  .tag {
    background: rgba(0, 255, 127, 0.1);
    color: var(--accent);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--accent);
  }

  @media (max-width: 768px) {
    .grid-container {
      grid-template-columns: 1fr;
    }

    .hero h1 {
      font-size: 2.5rem;
    }

    .navbar {
      padding: 15px 20px;
    }

    .nav-links {
      gap: 15px;
    }
  }

  @keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
  }

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