:root {
    --primary: #001f3f;
    --secondary: #003366;
    --accent-green: #39FF14;
    --accent-orange: #FF851B;
    --text-light: #FFFFFF;
    --text-dark: #333333;
    --bg-gradient: linear-gradient(135deg, #001f3f 0%, #003366 100%);
  }

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

  body {
    background: var(--primary);
    color: var(--text-light);
    font-family: 'Montserrat', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
  }

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

  .hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    position: relative;
    overflow: hidden;
    margin-bottom: 80px;
  }

  .hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(57, 255, 20, 0.1) 0%, transparent 50%);
  }

  .hero-content {
    text-align: center;
    z-index: 2;
    padding: 0 20px;
    max-width: 800px;
  }

  h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
  }

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

  .scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
  }

  @keyframes bounce {
    0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
    40% {transform: translateY(-20px);}
    60% {transform: translateY(-10px);}
  }

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

  article {
    background: rgba(0, 31, 63, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    margin-bottom: 80px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border: 1px solid rgba(57, 255, 20, 0.2);
  }

  h2 {
    font-size: 2.2rem;
    margin-bottom: 25px;
    color: var(--accent-green);
    position: relative;
    padding-bottom: 10px;
  }

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

  h3 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    color: var(--accent-orange);
  }

  p {
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.7;
  }

  strong {
    color: var(--accent-green);
  }

  pre {
    background: rgba(0, 43, 91, 0.7);
    border-radius: 8px;
    padding: 20px;
    margin: 25px 0;
    overflow-x: auto;
    border-left: 3px solid var(--accent-green);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.2);
  }

  code {
    font-family: 'Courier New', monospace;
    color: var(--accent-green);
    font-size: 0.9rem;
  }

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

  .gallery img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .gallery img:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(57, 255, 20, 0.2);
  }

  .nav-links {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    z-index: 100;
  }

  .nav-links a {
    width: 50px;
    height: 50px;
    background: rgba(0, 31, 63, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
    color: var(--accent-green);
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
    transition: all 0.3s ease;
  }

  .nav-links a:hover {
    background: var(--accent-green);
    color: var(--primary);
    transform: scale(1.1);
  }

  @media (max-width: 768px) {
    h1 {
      font-size: 2.5rem;
    }
    
    .hero {
      height: 70vh;
    }
    
    article {
      padding: 30px 20px;
    }
    
    .nav-links {
      display: none;
    }
    
    .gallery {
      grid-template-columns: 1fr;
    }
  }

  @media (max-width: 480px) {
    h1 {
      font-size: 2rem;
    }
    
    h2 {
      font-size: 1.8rem;
    }
    
    h3 {
      font-size: 1.5rem;
    }
    
    .hero p {
      font-size: 1rem;
    }
  }