@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');
  
  :root {
    --primary-dark: #2c3e50;
    --primary-light: #4b0082;
    --accent: #1abc9c;
    --highlight: #16a085;
    --text-light: #ecf0f1;
    --card-bg: #34495e;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  * {
    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: 'Roboto', sans-serif;
    line-height: 1.6;
    padding-top: 80px;
  }
  
  .design-notice {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0,0,0,0.7);
    padding: 10px 15px;
    border-radius: 20px;
    font-size: 14px;
    z-index: 9999;
    backdrop-filter: blur(5px);
    animation: pulse 2s infinite;
  }
  
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(26, 188, 156, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(26, 188, 156, 0); }
    100% { box-shadow: 0 0 0 0 rgba(26, 188, 156, 0); }
  }
  
  .navbar {
    background: linear-gradient(to right, var(--primary-light), var(--primary-dark));
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 5%;
  }
  
  .navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
  }
  
  .logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }
  
  .nav-links {
    display: flex;
    gap: 30px;
  }
  
  .nav-links a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: all 0.3s ease;
  }
  
  .nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
  }
  
  .nav-links a:hover::after {
    width: 100%;
  }
  
  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
  }
  
  article {
    background: rgba(44, 62, 80, 0.7);
    border-radius: 15px;
    padding: 40px;
    margin: 40px 0;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
  }
  
  h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: var(--accent);
    position: relative;
    padding-bottom: 10px;
  }
  
  h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(to right, var(--accent), transparent);
  }
  
  p {
    margin-bottom: 20px;
    font-size: 1.1rem;
  }
  
  .image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
  }
  
  .image-card {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
  }
  
  .image-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
  }
  
  .image-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  
  .image-card:hover img {
    transform: scale(1.1);
  }
  
  pre {
    background: rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
    overflow-x: auto;
    border-left: 4px solid var(--accent);
  }
  
  code {
    font-family: 'Roboto Mono', monospace;
    color: var(--accent);
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    margin: 30px 0;
    background: rgba(0,0,0,0.2);
    border-radius: 10px;
    overflow: hidden;
  }
  
  th, td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  
  th {
    background: rgba(26, 188, 156, 0.2);
    color: var(--accent);
  }
  
  tr:hover {
    background: rgba(255,255,255,0.05);
  }
  
  .btn {
    display: inline-block;
    background-color: var(--accent);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    margin: 10px 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  
  .btn:hover {
    background-color: var(--highlight);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.2);
  }
  
  .section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(26, 188, 156, 0.5), transparent);
    margin: 50px 0;
  }
  
  @media (max-width: 768px) {
    .navbar-container {
      flex-direction: column;
      gap: 20px;
    }
    
    .nav-links {
      flex-direction: column;
      gap: 15px;
      align-items: center;
    }
    
    article {
      padding: 25px;
    }
    
    h2 {
      font-size: 1.5rem;
    }
  }