/* Hamburger icon styling */
.navbar-toggler {
  border: none;
  background: transparent;
  padding: 9px 10px;
  cursor: pointer;
}
.navbar-toggler .icon-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: #555;
  border-radius: 1px;
  margin: 4px 0;
}

/* Responsive mobile menu */
@media (max-width: 991px) {
  .navbar-collapse {
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: #fff !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1) !important;
    z-index: 1000 !important;
    padding: 10px 0 !important;
    max-height: 80vh;
    overflow-y: auto;
  }
  .navbar-collapse.show .nav-item {
    padding: 5px 15px;
  }
  .navbar-collapse.show .nav-link {
    color: #333 !important;
    padding: 10px 15px !important;
    display: block;
  }
  .navbar-collapse.show .nav-link:hover {
    background-color: #f5f5f5;
  }
  .navbar-collapse.show .dropdown-menu {
    position: static !important;
    float: none !important;
    box-shadow: none !important;
  }
}