/* style.css */
:root {
    --primary-color: #0056b3;
    --accent-color: #f39c12;
    --bg-color: #f9f9f9;
    --text-color: #2f3640;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }
  
  body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
  }
  
  header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  
  header h1 {
    margin: 0;
    font-size: 1.8rem;
  }
  
  nav {
    margin-top: 1rem;
  }
  
  nav a {
    color: var(--white);
    text-decoration: none;
    margin-right: 2rem;
    font-weight: bold;
    transition: color 0.3s ease;
  }
  
  nav a:hover {
    color: var(--accent-color);
  }
  
  .hero {
    background: url('https://images.unsplash.com/photo-1595433562696-3d50a6a91e46?auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: 2rem;
  }
  
  .hero h2 {
    font-size: 2.8rem;
    background: rgba(10, 61, 98, 0.75);
    padding: 1rem 2rem;
    border-radius: 12px;
  }
  
  section {
    padding: 3rem 2rem;
  }
  
  section h3 {
    color: var(--primary-color);
    margin-bottom: 1.2rem;
    font-size: 2rem;
  }
  
  .card {
    background: var(--white);
    box-shadow: var(--shadow);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 4rem;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    nav a {
      display: block;
      margin: 0.5rem 0;
    }
  
    .hero h2 {
      font-size: 2rem;
    }
  }