:root {
    --primary: #1A237E;
    --primary-light: #0D47A1;
    --accent: #4FC3F7;
    --secondary: #69F0AE;
    --highlight: #FFC107;
    --text-light: #F5F5F5;
    --text-dark: #212121;
    --gradient-blue: linear-gradient(135deg, #1A237E, #0D47A1);
    --gradient-tech: linear-gradient(45deg, #0D47A1, #4FC3F7);
  }

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

  body {
    font-family: 'Lato', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: #FAFAFA;
    overflow-x: hidden;
  }

  .header {
    position: relative;
    height: 600px;
    background: var(--gradient-blue);
    clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-bottom: 80px;
  }

  .header::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: 0.15;
    z-index: 0;
  }

  .header-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 0 20px;
  }

  .header h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
  }

  .header p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
  }

  .tech-badge {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    padding: 10px 25px;
    border-radius: 50px;
    border: 1px solid rgba(255,255,255,0.2);
    font-size: 0.9rem;
    margin: 10px;
    transition: all 0.3s ease;
  }

  .tech-badge:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-3px);
  }

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

  .section {
    margin-bottom: 100px;
    position: relative;
  }

  .section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--highlight);
    border-radius: 2px;
  }

  .split-layout {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
  }

  .split-layout.reverse {
    flex-direction: row-reverse;
  }

  .split-layout > div {
    flex: 1;
  }

  .visual-area {
    position: relative;
    min-height: 400px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  }

  .visual-area img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

  .visual-area:hover img {
    transform: scale(1.05);
  }

  .content-area {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .content-area h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    color: var(--primary-light);
    margin-bottom: 20px;
  }

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

  .tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 60px 0;
  }

  .tech-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
  }

  .tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
  }

  .tech-card-img {
    height: 200px;
    overflow: hidden;
  }

  .tech-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }

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

  .tech-card-content {
    padding: 25px;
  }

  .tech-card h4 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.3rem;
    color: var(--primary);
    margin-bottom: 15px;
  }

  .tech-card p {
    color: var(--text-dark);
    opacity: 0.8;
    margin-bottom: 20px;
  }

  .code-block {
    background: #1A237E;
    color: white;
    border-radius: 8px;
    padding: 25px;
    margin: 30px 0;
    overflow-x: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    position: relative;
  }

  .code-block::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 15px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #FF5F56;
    box-shadow: 20px 0 0 #FFBD2E, 40px 0 0 #27C93F;
  }

  .code-block pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.5;
    tab-size: 2;
  }

  .code-block code {
    display: block;
    white-space: pre;
  }

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

  .accent-text {
    color: var(--accent);
  }

  .secondary-text {
    color: var(--secondary);
  }

  .btn {
    display: inline-block;
    background: var(--gradient-tech);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(79, 195, 247, 0.3);
    border: none;
    cursor: pointer;
  }

  .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(79, 195, 247, 0.4);
  }

  .footer {
    background: var(--gradient-blue);
    color: white;
    padding: 60px 0;
    text-align: center;
    margin-top: 100px;
    clip-path: polygon(0 15%, 100% 0, 100% 100%, 0 100%);
  }

  .footer p {
    opacity: 0.8;
    margin-bottom: 20px;
  }

  .footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
  }

  .footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .footer-links a:hover {
    color: var(--highlight);
  }

  .reference-note {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 30px;
    display: inline-block;
  }

  .particle-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
  }

  .particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: moveParticles 10s linear infinite;
  }

  @keyframes moveParticles {
    0% {
      transform: translateY(0) translateX(0);
      opacity: 0;
    }
    10% {
      opacity: 0.8;
    }
    90% {
      opacity: 0.8;
    }
    100% {
      transform: translateY(-1000px) translateX(1000px);
      opacity: 0;
    }
  }

  @media (max-width: 992px) {
    .split-layout {
      flex-direction: column;
    }
    
    .visual-area {
      min-height: 300px;
    }
    
    .header h1 {
      font-size: 2.5rem;
    }
  }

  @media (max-width: 768px) {
    .header {
      height: 500px;
    }
    
    .tech-grid {
      grid-template-columns: 1fr;
    }
    
    .section-title {
      font-size: 2rem;
    }
  }