.navbar {
  background-color: var(--primary-color);
  padding: 0 10px !important;
}

.navbar-nav {
  margin: auto;
}

.navbar-nav .nav-item a{
  position: relative;
  color: #fff !important;
  padding: 20px 0;
  margin: 0 10px;
}

.navbar-nav .nav-item a:hover {
  color: var(--secondary-color) !important;
}
.navbar-nav .dropdown a:hover i {
      transform: rotate(180deg);
    transition: transform .3s;
    -webkit-transform: rotate(180deg);
    -webkit-transition: -webkit-transform .3s
}

/* Hiệu ứng gạch chân khi hover */
.navbar-nav .nav-item > a::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: currentColor;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Khi hover */
.navbar-nav .nav-item:hover > a::after {
  opacity: 1;
  transform: translateY(0);
}

.dropdown-toggle::after {
  display: none;
}

/* Mega menu */
.mega-menu-wrapper {
  position: absolute;
  left: 0;
  top: 100%;
  background-color: var(--primary-color);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  z-index: 999;
  display: none;
  width: 100%;
}

.mega-menu-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10px 50px;
}

.mega-menu-inner a {
  display: block;
  margin-bottom: 0.5rem;
  color: #333;
  text-decoration: none;
}

.mega-menu-inner a:hover {
  color: var(--secondary-color);
}

/* Hiện submenu khi hover trên desktop */
@media (min-width: 992px) {
  .nav-item.dropdown:hover .mega-menu-wrapper {
    display: block;
  }
}

/* Mobile: Ẩn mega menu mặc định */
@media (max-width: 991px) {
  .mega-menu-wrapper {
    position: static;
    display: none;
    width: 100%;
  }

  .mega-menu-wrapper.show {
    display: block;
  }
}

/* Chỉ hiển thị trên PC */
.desktop-only {
  display: block;
}

.mobile-only {
  display: none !important;
}

@media (max-width: 991px) {
  .desktop-only {
    display: none;
  }

  .mobile-only {
    display: block !important;
  }
}
.mega-menu {
  background: var(--primary-color);
  font-family: sans-serif;
  padding-left: 20px;
}

.mega-menu .menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

.mega-menu .menu > .menu-item {
  position: relative;
}

.mega-menu .menu > .menu-item > a {
  position: relative;
  display: inline-block;
  padding: 20px 0;
  margin: 0 20px;
  text-decoration: none;
  color: #fff;
}

/* Hiệu ứng gạch chân khi hover */
.mega-menu .menu > .menu-item > a::after {
  content: "";
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: currentColor;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Khi hover */
.mega-menu .menu > .menu-item:hover > a::after {
  opacity: 1;
  transform: translateY(0);
}

.mega-menu .has-submenu > a::after {
  content: " ▼";
  font-size: 0.7em;
  margin-left: 4px;
}

.has-megamenu a:hover i {
      transform: rotate(180deg);
    transition: transform .3s;
    -webkit-transform: rotate(180deg);
    -webkit-transition: -webkit-transform .3s
}
.has-megamenu:hover .mega-dropdown {
  display: block;
}

.mega-dropdown {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  width: 700px;
  background: var(--primary-color);
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  z-index: 1000;
  gap: 30px;
}

.mega-group {
  margin-bottom: 30px;
}

.mega-group h4 {
  margin: 0 0 10px;
  border-bottom: 1px solid #fff;
  padding-bottom: 5px;
}

.mega-group h4 a {
  color: #fff;
  font-size: 85%;
  text-decoration: none;
  font-weight: 500;
}

.mega-group h4 a:hover {
  color: var(--secondary-color);
}

.mega-columns {
  display: flex;
  gap: 40px;
}

.mega-columns ul {
  list-style: square;
  padding-left: 10px;
  margin: 0;
  flex: 1;
  color: #fff;
}

.mega-columns li {
  margin-bottom: 8px;
}

.mega-columns a {
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

.mega-columns a:hover {
  text-decoration: underline;
  color: var(--secondary-color);
}

.has-submenu .sub-menu {
  display: none;
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 250px;
  background: var(--primary-color);
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.has-submenu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.has-submenu .sub-menu li a {
  text-decoration: none;
  display: block;
  padding: 6px 0;
  color: #fff;
  font-size: 90%;
  font-weight: 400;
}

.mega-menu .sub-menu li a:hover {
  text-decoration: underline;
  color: var(--secondary-color);
}

.mega-menu .menu-item:hover .sub-menu {
  display: block;
}

/* Mobile Menu */
/* Slide-in menu */
    .mobile-menu {
      position: fixed;
      top: 0;
      left: -100%;
      width: 80%;
      height: 100%;
      background-color: var(--primary-color);
      z-index: 1050;
      transition: left 0.3s ease;
      overflow-y: auto;
      padding-top: 60px;
    }

    .mobile-menu.open {
      left: 0;
    }

    .menu-toggle-btn {
      position: fixed;
      right: 10px;
      z-index: 1100;
      border: 2px solid var(--primary-color) !important;
    }

    .mobile-menu .menu-label {
      color: #fff;
    }

    .mobile-menu a {
      text-decoration: none;
    }

    .submenu {
      display: none;
      padding-left: 1rem;
    }

    .submenu a {
      color: #fff;
      padding: 5px 0;
    }

    .submenu.show {
      display: block;
    }

    .menu-label {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 0.5rem 1rem;
    }

    .menu-label:hover {
      background-color: var(--secondary-color);
    }

    .menu-label i {
      transition: transform 0.3s;
    }

    .menu-label.collapsed i {
      transform: rotate(-90deg);
    }

    .close-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      font-size: 24px;
      cursor: pointer;
    }

    a.nav-link {
      padding-left: 2rem;
    }