* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #222;
    background-color: #f9f9f9;
    
  }
  
  h1 {
      font-family: 'Poppins', sans-serif; 
      font-size: 2.25rem; 
      font-weight: 700; 
      margin-bottom: 1rem; 
  }
  
  h2 { 
      font-family: 'Poppins', sans-serif; 
      font-size: 1.875rem; 
      font-weight: 600; 
      margin-bottom: 0.75rem; 
  }
  
  h3 { 
      font-family: 'Poppins', sans-serif; 
      font-size: 1.5rem; 
      font-weight: 500; 
      margin-bottom: 0.5rem; 
  }
  
  p, li { font-size: 1rem; }

  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #0077cc;
    color: white;
  }
  
  .navbar-items {
    list-style: none;
    display: flex;
    gap: 1rem;
  }
  
  .navbar-items a {
    color: white;
    text-decoration: none;
    font-weight: 600;
  }
  
  .navbar-items a:hover {
    color: #ffcc00;
  }

.hero {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 40px 0;
  }
  .hero-text { 
      flex: 1; 
  }
  
  .hero-image img {
    max-width: 100%;
    border-radius: 8px;
  }
  .button {
    background: #0077cc;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }
  
  aside {
    background: #fff;
    padding: 20px;
    border: 1px solid #888;
    border-radius: 8px;
    margin-bottom: 40px;
  }
  aside ul { 
      list-style: disc;
      padding-left: 20px; 
  }
  
  footer {
    background: #0077cc;
    padding: 20px;
    margin-top: 40px;
  }
  .footer-columns {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
  }
  footer h3 { 
      margin-bottom: 10px;
  }
  
  footer ul { 
      list-style: none; 
  }
  
  footer li { 
      margin-bottom: 5px; 
  }
  
  footer a { 
      color: white; 
      text-decoration: none; 
  }
  
  footer a:hover { 
      color: #8ebada; 
  }
  
  footer .copyright {
    text-align: center;
    margin-top: 20px;
    font-size: 0.875rem;
    color: #888;
  }
  
  @media (min-width: 768px) {
    .hero { 
  
      flex-direction: row; 
      }
    .hero-text, .hero-image { 
      flex: 1; 
      }
  }