/* Ensure header doesn't interfere with sticky behavior */
  .navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
    background-color: #ffffff;
    padding: 1rem 2rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  }