:root {
    --primary-dark: #001f3f;
    --primary-light: #5a2a83;
    --accent-orange: #FF7F50;
    --accent-green: #32CD32;
    --text-light: rgba(255,255,255,0.9);
    --text-muted: rgba(255,255,255,0.7);
    --section-padding: 80px 0;
  }

  * {
    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: 'Montserrat', 'Arial', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(0,15,40,0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 5px 30px rgba(0,0,0,0.2);
  }

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

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

  .nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
  }

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

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

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

  .hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(90,42,131,0.3), transparent 70%);
  }

  .hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
  }

  .hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 600px;
  }

  .hero-image {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    overflow: hidden;
    opacity: 0.8;
  }

  .hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .section {
    padding: var(--section-padding);
    position: relative;
  }

  .section-title {
    font-size: 2.5rem;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
  }

  .section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-orange), transparent);
  }

  .section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
  }

  .section-text {
    font-size: 1.1rem;
    line-height: 1.8;
  }

  .section-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
  }

  .section-image:hover {
    transform: translateY(-10px);
  }

  .section-image img {
    width: 100%;
    height: auto;
    display: block;
  }

  .code-block {
    background: rgba(0,0,0,0.3);
    border-radius: 10px;
    padding: 20px;
    margin: 30px 0;
    overflow: hidden;
    border-left: 4px solid var(--accent-orange);
  }

  .code-block pre {
    margin: 0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
    color: #f8f8f2;
    overflow-x: auto;
  }

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

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

  .feature-card {
    background: rgba(255,255,255,0.05);
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
  }

  .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    background: rgba(255,255,255,0.1);
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-orange), #FF4500);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
  }

  .feature-title {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #fff;
  }

  .feature-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
  }

  .footer {
    background: rgba(0,15,40,0.9);
    padding: 50px 0;
    text-align: center;
  }

  .footer-text {
    color: var(--text-muted);
    font-size: 0.9rem;
  }

  .reference-note {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0,0,0,0.5);
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 0.8rem;
    color: var(--text-muted);
    z-index: 1000;
  }

  @media (max-width: 1024px) {
    .hero-image {
      width: 400px;
      height: 400px;
      right: -50px;
    }

    .hero-title {
      font-size: 2.8rem;
    }
  }

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

    .hero-image {
      position: relative;
      right: auto;
      top: auto;
      transform: none;
      width: 100%;
      height: 300px;
      margin-top: 40px;
    }

    .hero {
      padding-top: 150px;
      text-align: center;
    }

    .hero-content {
      max-width: 100%;
    }

    .hero-title {
      font-size: 2.2rem;
    }

    .nav-links {
      display: none;
    }

    .section-title {
      font-size: 2rem;
    }
  }

  @media (max-width: 480px) {
    .hero-title {
      font-size: 1.8rem;
    }

    .section-title {
      font-size: 1.6rem;
    }

    .feature-grid {
      grid-template-columns: 1fr;
    }
  }