.nav-indicator {
    position: absolute;
    bottom: 0;
    height: 4px;
    width: 0;
    background-color: #ffc107; /* yellow highlight */
    border-radius: 4px 4px 0 0;
    transition: all 0.3s ease;
  }

  .navbar-nav .nav-link {
    position: relative;
    padding: 8px 16px;
    color: #fff !important;
    transition: color 0.3s ease;
  }

  .navbar-nav .nav-link.active {
    color: #ffc107 !important; /* matches indicator */
  }