/* Base styles */
body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background: #f4f4f4;
    color: #333;
  }
  
  /* Header styles */
  header {
    background: #003366;
    color: #fff;
    text-align: center;
    padding: 2em 1em;
  }
  
  header h1 {
    margin: 0.5em 0 0.2em;
    font-size: 2em;
  }
  
  header p {
    margin: 0;
    font-size: 1.1em;
  }
  
  /* Profile picture styling */
  .profile-pic {
    width: 170px;
    height: 170px;
    border-radius: 70%;
    display: block;
    margin: 0 auto 1em;
    object-fit: cover;
    object-position: center;
    border: 3px solid #fff;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
  }
  
  /* Navigation bar */
  nav {
    background: #e6e6e6;
    padding: 0.5em 0;
  }
  
  nav ul {
    display: flex;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
  }
  
  nav li {
    margin: 0 1em;
  }
  
  nav a {
    text-decoration: none;
    color: #003366;
    font-weight: bold;
    transition: color 0.2s;
  }
  
  nav a:hover {
    color: #0056b3;
  }
  
  /* Main content */
  main {
    padding: 2em;
    max-width: 900px;
    margin: auto;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,0.1);
  }
  
  section {
    margin-bottom: 2em;
  }
  
  h2 {
    color: #003366;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.25em;
  }
  
  /* Footer styles */
  footer {
    background: #003366;
    color: #fff;
    text-align: center;
    padding: 1em;
    font-size: 0.9em;
  }