.header-belltech{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 99;
    color: #292929;
    padding: 20px;
    font-family: "Raleway", serif;
    transition: 0.5s;
}
.header-belltech.scroll{
    background-color: #ff6418;
    padding: 0 20px;
}
.navbar.scroll{
    box-shadow: none;
    background-color: transparent;
}
.navbar{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 20px;
    box-shadow: 0px 3px 14px 0px #0000001A;
    transition: 0.3s;
    position: relative;
    max-width: 1217px;
    margin: 0 auto;
    /* overflow: hidden; */
}
.navbar.radius{
    border-radius: 60px;
}
.navbar .navbar-brand .white, .navbar.scroll .navbar-brand .orange-black{
    display: none;
}
.navbar.scroll .navbar-brand .white{
    display: block;
}
.navbar .navbar-brand{
    width: 72px;
}
.navbar .navbar-brand img{
    width: 100%;
}
.navbar, .menu{
    background-color: #fff;
}
.bck-to{
    position: absolute;
    top: 0;
    left: 0;
    font-size: 14px;
    width: 100%;
    max-width: 0;
    height: 100%;
    background-color: #F2F2F2;
    text-decoration: none;
    color: #292929;
    transition: 0.3s;
    display: flex;
    align-items: center;
    padding: 0;
    overflow: hidden;
    white-space: nowrap;
}
.navbar.scroll .bck-to{
    background-color: #FF6418;
    color: #fff;
}
.bck-to::before{
    content: "";
    background: url('../images/arrow-menu.svg') no-repeat;
    background-size: contain;
    transform: rotate(180deg);
    width: 8px;
    height: 12px;
    margin-right: 5px;
}
.bck-to-lv1.active, .bck-to-lv2.active{
    max-width: 100%;
    padding: 0 20px;
}
.bck-to-lv1{
    z-index: 1;
}
.bck-to-lv2{
    z-index: 2;
}
.btn-toggle-menu{
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px 6px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
}
.navbar.scroll .btn-toggle-menu span{
    background-color: #fff;
}
.btn-toggle-menu span{
    width: 100%;
    height: 2px;
    background-color: #4A4F54;
    transition: 0.3s;
    position: relative;
}
.btn-toggle-menu.expanded span:nth-child(2){
    opacity: 0;
}
.btn-toggle-menu.expanded span:nth-child(1){
    top: 11px;
    transform: rotate(45deg);
}
.btn-toggle-menu.expanded span:nth-child(3){
    transform: rotate(-45deg);
    bottom: 11px;
}
.menu{
    position: absolute;
    top: 50px;
    left: 0;
    z-index: 100;
    width: 100%;
    max-height: 0;
    transition: 0.5s;
    padding: 0 20px;
    margin: 0;
    overflow: hidden;
}
.menu.show{
    max-height: 700px;
    padding: 0 20px;
    overflow: visible;
}
.navbar.scroll .menu::before, .navbar.scroll .menu::after{
    content: "";
    position: absolute;
    top: 0;
    z-index: -1;
    width: 200%;
    height: 100%;
    background-color: #fff;
}
.navbar.scroll .menu::before{
    left: 0;
}
.navbar.scroll .menu::after{
    right: 0;
}
.menu > ul{
    margin: 0;
    padding: 10px 0;
    min-height: 320px;
}
.menu-item.hidden, .submenu-item.hidden{
    display: none;
}
.menu ul, .menu{
    list-style: none;
}
.menu .submenu, .menu .submenu-item-submenu{
    padding: 0;
}
.menu .submenu, .menu .submenu-item-submenu, .menu-title-desk {
    display: none;
    transition: 0.5s;
}
.menu .submenu.active, .menu .submenu-item-submenu.active, .link-page {
    display: block;
}
.bold{
    font-weight: 700;
}
.menu-item.active .menu-title-mob, .submenu-item.active .submenu-item-title{
    color: #FF6418;
    font-size: 18px;
    font-weight: 700;
}
.menu-item.active .menu-title-mob::after, .submenu-item.active .submenu-item-title::after, .menu-item.active .lang::after{
    content: none;
}
.menu-title-mob, .submenu-item-title, .submenu-item-submenu li, .link-page, .lang {
    cursor: pointer;
    padding: 10px 0;
    transition: 0.3s;
}
.menu-title-mob, .submenu-item-title, .lang{
    display: flex;
    align-items: center;
}
.menu-title-mob::after, .submenu-item-title::after, .lang::after, .menu-title-desk::after{
    content: "";
    background: url('../images/arrow-menu.svg') no-repeat;
    background-size: contain;
    width: 8px;
    height: 12px;
    margin-left: 5px;
}
.lang::before{
    content: "";
    background: url('../images/icon-lang.svg') no-repeat;
    background-size: contain;
    width: 25px;
    height: 25px;
    margin-right: 5px;
}
/* .menu-title-mob:hover, .submenu-item-title:hover {
    background: #ccc;
} */
.menu a{
    text-decoration: none;
}
.d-none, .show-all-desk{
    display: none;
}
@media (min-width: 768px) {
    .menu{
        padding: 0 60px;
    }
    .menu.show{
        padding: 0 60px;
    }
}
@media (min-width: 992px) {
    .header-belltech.scroll{
        padding: 5px 20px;
    }
    .navbar{
        padding: 0 20px;
    }
    .btn-toggle-menu, .back-to, .menu-title-mob{
        display: none;
    }
    .navbar.scroll .menu::before, .navbar.scroll .menu::after{
        content: none;
    }
    .menu{
        position: initial;
        width: auto;
        max-height: none;
        padding: 0;
        overflow: visible;
        background-color: transparent;
    }
    .menu > ul{
        display: flex;
        gap: 6px;
        padding: 0;
        min-height: auto;
    }
    .menu-title-desk{
        display: block;
        position: relative;
        transition: 0.3s;
    }
    .menu-title-desk.active{
        font-weight: 800;
        text-shadow: 0 0 1px #FF6418;
        color: #FF6418;
    }
    .navbar.scroll .menu-title-desk.active{
        color: #fff;
    }
    .menu-title-desk.active::after, .lang.active::after {
        transform: rotate(-90deg);
        margin-top: 0;
    }
    .menu-title-desk.active::before{
        content: "";
        position: absolute;
        left: 50%;
        bottom: -21px;
        width: 14px;
        height: 14px;
        transform: rotate(45deg) translateX(-50%);
        background-color: #fff;
    }
    .link-page{
        padding: 0;
    }
    .menu-title-desk, .link-page{
        font-size: 14px;
    }
    .link-page{
        padding: 10px 0;
    }
    .navbar.scroll .lang::before {
        background: url('../images/icon-lang-white.svg') no-repeat;
        background-size: contain;
    }
    .navbar.scroll .menu-title-desk::after, .navbar.scroll .lang::after {
        background: url('../images/arrow-menu-white.svg') no-repeat;
        background-size: contain;
    }
    .navbar.scroll .menu-title-desk, .navbar.scroll .menu-item > .link-page, .navbar.scroll .lang{
        color: #fff;
    }
    .navbar.scroll .link-page.bold{
        color: #292929;
    }
    .lang-option{
        padding: 0;
    }
    .link-page:hover, .menu .submenu-item-submenu a:hover{
        text-decoration: underline;
    }
    /* .menu-item{
        position: relative;
    } */
    .menu-item > a{
        height: 100%;
        display: flex;
        align-items: center;
    }
    .lang::after,.menu-title-desk::after {
        transition: 0.3s;
        transform: rotate(90deg);
        width: 8px;
        height: 8px;
        margin-top: 5px;
    }
    .menu .submenu:not(.menu .submenu-lang){
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
        gap: 10px;
        /* min-height: 350px; */
    }
    .menu .submenu-c{
        position: absolute;
        top: 45px;
        left: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: 0.3s ease-in;
    }
    .menu .submenu-c.show{
        z-index: 1;
        max-height: 700px;
    }
    .menu .submenu{
        padding: 20px;
    }
    .submenu-item-title{
        font-weight: 700;
        color: #FF6418;
        cursor: default;
    }
    .submenu-item-title::after{
        content: none;
    }
    .show-all-desk{
        display: flex;
        align-items: end;
    }
    .show-all-desk a{
        display: flex;
        align-items: center;
        font-size: 16px;
        font-weight: 700;
        color: #FF6418;
    }
    .show-all-desk a::after{
        content: "";
        background: url('../images/arrow-right-orange-link.svg') no-repeat;
        background-size: contain;
        width: 18px;
        height: 18px;
        margin-left: 5px;
    }
    .menu .submenu-item-submenu{
        display: block;
    }
    .menu .submenu-item-submenu li{
        padding: 0;
        margin-bottom: 10px;
        cursor: default;
    }
    .menu .submenu-item-submenu a{
        font-size: 14px;
    }
    .menu .submenu::before, .menu .submenu-lang.show::after{
        content: "";
        position: absolute;
        z-index: -1;
        background-color: #fff;
    }
    .menu .submenu::before{
        width: 100%;
        height: calc(100% - 10px);
        left: 0;
        bottom: 0;
        border-radius: 20px;
    }
    .menu .submenu::after{
        top: 8px;
        left: 50%;
        width: 14px;
        height: 14px;
        transform: rotate(45deg) translateX(-50%);
    }
    .menu .submenu-lang.show{
        position: absolute;
        display: block;
        right: 0;
        left: auto;
        width: 100px;
    }
    .menu .submenu-lang.show::before{
        bottom: 0;
        left: 0;
        width: 100%;
        height: calc(100% - 10px);
        border-radius: 20px;
    }
    .menu .submenu-lang.show::after{
        width: 14px;
        height: 14px;
        top: 8px;
        left: 50%;
        transform: rotate(45deg) translateX(-50%);
    }
    .menu .submenu-lang li:not(:last-child){
        margin-bottom: 8px;
    }
}
@media (min-width: 1200px) {
    .navbar .navbar-brand{
        width: 92px;
    }
    .menu > ul {
        gap: 15px;
    }
    .lang::after, .menu-title-desk::after {
        width: 10px;
        height: 10px;
    }
    .menu-title-desk.active::before, .menu .submenu-lang.show::after {
        bottom: -45px;
        width: 25px;
        height: 40px;
        clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
        transform: translateX(-50%);
    }
    .menu-title-desk, .link-page, .menu .submenu-item-submenu a {
        font-size: 16px;
    }
    .menu .submenu:not(.menu .submenu-lang){
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 10px 20px;
        padding: 50px 60px 40px;
    }
    .menu .submenu-lang.show{
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 130px;
        padding: 40px 10px 10px;
    }
    .menu .submenu::before, .menu .submenu-lang.show::before {
        height: calc(100% - 25px);
    }
    .submenu-item-title{
        font-size: 18px;
        margin-bottom: 10px;
    }
}
@media (min-width: 1400px) {
    .navbar{
        height: 60px;
    }
    .navbar {
        padding: 0 40px;
    }
    .menu, .menu > ul, .lang{
        height: 100%;
    }
    .menu > ul{
        gap: 18px;
    }
    .menu .submenu-c {
        top: 60px;
    }
    .menu-title-desk.active::before {
        bottom: -45px;
    }
    .menu .submenu:not(.menu .submenu-lang) {
        padding: 50px 80px 40px;
    }
}