nav {
    background: #333;
    color: #fff;
    padding: 1rem 2rem;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 100;
  }

  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
  }

  nav ul li {
    font-size: 1.1rem;
  }

  nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
  }

  nav ul li a:hover {
    color: #ff6347;
  }