/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Body */
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
  }
  
  /* Header */
  header {
    background-color: #005f73;
    color: white;
    padding: 2rem;
    text-align: center;
  }
  
  header a {
    color: #a8dadc;
    text-decoration: none;
  }
  
  header .btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background-color: #94d2bd;
    color: #005f73;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s;
  }
  
  header .btn:hover {
    background-color: #ee9b00;
    color: white;
  }
  
  /* Navigation */
  nav {
    background: #0a9396;
    padding: 1rem;
    text-align: center;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  nav ul li {
    margin: 0 15px;
  }
  
  nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
  }
  
  nav ul li a:hover {
    text-decoration: underline;
  }
  
  /* Main Sections */
  main {
    padding: 2rem;
    max-width: 1000px;
    margin: auto;
  }
  
  section {
    margin-bottom: 2rem;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-in-out;
  }
  
  section.show {
    opacity: 1;
    transform: translateY(0);
  }
  
  section h2 {
    color: #005f73;
    margin-bottom: 1rem;
  }
  
  ul {
    margin-left: 20px;
  }
  
  /* Footer */
  footer {
    text-align: center;
    padding: 1rem;
    background: #005f73;
    color: white;
    margin-top: 2rem;
  }