/* Mobile Header Styles */
  .mobile_header {
    display: none;
    position: relative;
  }

  .hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
    z-index: 1000;
  }

  .hamburger__line {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
    display: block;
  }

  .hamburger[aria-expanded="true"] .hamburger__line:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
  }

  .hamburger[aria-expanded="true"] .hamburger__line:nth-child(2) {
    opacity: 0;
  }

  .hamburger[aria-expanded="true"] .hamburger__line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .mobile_menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    border-top: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }

  .mobile_menu.active {
    display: block;
  }

  .mobile_nav {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mobile_nav li {
    border-bottom: 1px solid #eee;
  }

  .mobile_nav li:last-child {
    border-bottom: none;
  }

  .mobile_nav a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: #333;
    transition: background-color 0.2s ease;
  }

  .mobile_nav a:hover {
    background-color: #f5f5f5;
  }

  /* Show mobile header on small screens */
  @media (max-width: 767px) {
    .mobile_header {
      display: block;
    }

    .nav-collapse {
      display: none !important;
    }
  }