body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    background-color: #f7f9fb;
    color: #333;
  }
  
  /* HEADER STYLING */
  header {
    background-color: #002244;
    color: white;
    padding: 1rem 2rem;
  }
  
  .header-container.compact {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    max-width: 1000px;
    margin: auto;
  }
  
  .profile-pic-small {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
  }
  
  .header-text h1 {
    font-size: 1.75rem;
    margin: 0;
  }
  
  .header-text p {
    margin: 0;
    font-size: 0.95rem;
  }
  
  .course-meta {
    font-size: 0.85rem;
    color: #ccc;
  }
  
  /* FOOTER */
  footer {
    background-color: #002244;
    color: white;
    text-align: center;
    padding: 1rem;
  }
  
  /* MAIN CONTENT */
  section {
    padding: 2rem;
    max-width: 800px;
    margin: auto;
  }
  
  h2 {
    border-bottom: 2px solid #ccc;
    padding-bottom: 0.5rem;
  }
  
  /* VIDEO GRID */
  .video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
  }
  
  iframe {
    width: 100%;
    height: 200px;
    border: none;
  }
  
  /* LIST STYLES */
  ul {
    list-style-type: none;
    padding: 0;
  }
  
  ul li {
    margin: 0.5rem 0;
  }
  
  /* LINKS */
  a {
    color: #0056b3;
    text-decoration: none;
  }