header .header-main .header-inner {
    display: flex; /* Giữ Flexbox */
    align-items: center; /* Căn giữa theo chiều dọc */
    min-width: 100%;
}

header .header.transparent .header-bg-color,
header .header.transparent .header-bg-image,
header .header.transparent .header-bottom,
header .header.transparent .header-wrapper {
    background-color: transparent;
    background-image: none !important;
    box-shadow: none;
}

header .header.transparent.scrolled .header-bg-color,
header .header.transparent.scrolled .header-bg-image,
header .header.transparent.scrolled .header-bottom,
header .header.transparent.scrolled .header-wrapper {
    background-color: #fff !important;
    animation: menu-scroll 0.5s ease-in-out;
    background-image: none !important;
}
@keyframes menu-scroll {
    0% {
        transform: translateY(-100px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Đảm bảo header ở trạng thái fixed */
header .header.has-transparent,
header .header.show-on-scroll,
header .header.transparent {
    position: fixed;    
    width: 100%;
    top: 0;
    z-index: 30;
}
/*  */
header .flex-col.logo {
    display: flex;
    align-items: center;
    /* Bỏ justify-content: center để logo không bị căn giữa trong khu vực của nó */
}

header .flex-col.hide-for-medium.flex-right {
    display: flex;
    align-items: center;
    margin-left: auto; /* Đẩy menu về phía bên phải */
}
header .header {
    background-color: transparent !important;
}

header .header-bg-container,
header .header-bg-image,
header .header-bg-color {
    background: none !important;
}
header .transparent .header-main {
    padding: 20px 0;
}
header .header-main {
    position: relative;
    z-index: 10;
}
header .header .flex-row {
    height: 100%;
    justify-content: space-between;
    align-items: center;
}
header .flex-row {
    align-items: center;
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    width: 100%;
}

header .header-bg-color, .header-bg-image {
    background-position: 50% 0;
    transition: background .4s;
}
header .header .header-nav-main.nav-left {
    margin-left: auto;
    margin-right: auto;
    display: flex;
    justify-content: center;
}
header .header .header-nav-main.nav-right {
    display: flex;
    align-items: center;
}

header .button.secondary.is-gloss.is-large {
    background-image: linear-gradient(to left, #00c853, #00bfa5, #00acc1, #3c78d8) !important;
    color: #fff !important;
    font-weight: bold;
    border: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 10px 28px;
    border-radius: 99px;
    transition: background 0.3s;
    margin-top: 20px;
}

header .button.secondary.is-gloss.is-large:hover {
    background-image: linear-gradient(to right, #00c853, #00bfa5, #00acc1, #3c78d8) !important;
    color: #fff !important;
}
header .transparent #logo img {
    max-height: 55px;
    max-width: 200px;
}
header .nav > li > a, .links > li > a {
    text-transform: none;
}
header .nav > li > a, .links > li > a {
    text-decoration: none;
}
header .nav, .links {
    list-style-type: none;
}
a.button {
    text-decoration: none;
}
header .nav-size-large>li>a {
    font-size: 1em;
}
header .nav>li>a {
    align-items: center;
    display: inline-flex;
    flex-wrap: wrap;
}
header .nav>li .nav-top-link{
    padding: 10px;
}
header .header-main .nav > li > a {
    line-height: 16px;
    color: black;
}
header .header-main .nav > li > a:hover {
    color: #3c78d8;
}
header .nav-size-large>li>a {
    font-size: 1em;
}
header .nav > li > a, .mobile-sidebar-levels-2 .nav > li > ul > li > a {
    font-weight: 600;
    font-style: normal;
}

/* mobile */

header .mobile-nav .nav-icon svg {
    width: 30px;
    height: 30px;
    transition: color 0.2s;
}
header .mobile-nav .nav-icon:hover svg {
    color: #00c6fb;
}
header .mobile-nav{
    display: none;
}

header .mobile-nav .nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 0;
}
header .header-button{
    width: 110%;
}
header .mobile-menu-overlay{
    display: none;
}



@media (max-width: 900px) {
    header .header .header-nav-main.nav-right{
        display: none;
    }
    header .mobile-nav{
        display: flex;
        justify-content: flex-end;
        align-items: center;
    }
    header .mobile-nav {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        width: 100%;
        background: transparent;
    }
    header .mobile-menu-overlay {
        position: fixed;
        top: 0; left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0,0,0,0.4);
        z-index: 9999;
        display: none;
        transition: opacity 0.3s;
    }
    header .mobile-menu-overlay.active {
        display: block;
    }
    header .mobile-menu-content {
        background: #fff;
        width: 320px;
        max-width: 90vw;
        height: 100vh;
        padding: 32px 0px 0px 0px;
        box-shadow: 2px 0 8px rgba(0,0,0,0.1);
        position: relative;
        overflow-y: auto;
    }
    header .mobile-menu-content ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    header .mobile-menu-content ul li:l    t-child {
        margin-bottom: 0;
    }
    header .mobile-menu-content .button {
        width: 100%;
        display: block;
        text-align: center;
    }
    header .close-mobile-menu {
        position: absolute;
        top: 16px;
        right: 16px;
        font-size: 2rem;
        cursor: pointer;
        color: #333;
    }
    header .mobile-menu-overlay .mobile-menu-content ul li a {
        text-decoration: none;
        color: hsla(0, 0%, 40%, .85);
        transition: all .2s;
        padding-bottom: 20px;
        padding-top: 20px;
    }
    header .mobile-menu-overlay .mobile-menu-content ul li a {
        display: block;
        border-bottom: 1px solid #eee;
        /* margin-bottom: 10px; */
        padding: 15px 20px;
        color: black;
        text-decoration: none;
        transition: all .2s;
        font-weight: 600;
        font-style: normal;
    }
    header .mobile-menu-overlay .mobile-menu-content > ul > li > a:hover {
        color: #3c78d8;
    }
    
    header .mobile-menu-overlay .mobile-menu-content > ul > li:hover {
        background: rgba(0, 0, 0, .05);
    }
     .mobile-menu-content li.has-submenu.open > .submenu > li:hover {
        background: rgba(0, 0, 0, 0.05); /* hiệu ứng hover cấp 2 */
    }
    header .mobile-menu-overlay .mobile-menu-content > ul .type-submit{
        background: none !important;
    }
    /* Đảm bảo submenu không bị ảnh hưởng bởi hover */
    header .mobile-menu-overlay .mobile-menu-content .submenu,
    header .mobile-menu-overlay .mobile-menu-content .submenu li,
    header .mobile-menu-overlay .mobile-menu-content .submenu li a {
        background: none;
    }
    header .mobile-menu-overlay .mobile-menu-content ul li:last-child a {
        border-bottom: none;
        margin-bottom: 0;
    }
    header .mobile-menu-overlay .mobile-menu-content ul li .btn-mobile {
        width: 100%;
        max-width: 220px;
        margin: 0 auto;
    }
    header .mobile-menu-overlay .close-mobile-menu{
        opacity: .6;
        transform: translateY(0) translateZ(1px);
        color: #fff;
        font-size: 40px;
        margin-top: 0px;
        margin-right: 20px;
    }

    /* menu cấp */
    header .mobile-menu-content ul .submenu {
        display: none;
        padding-left: 18px;
        color: rgba(0, 0, 0, .05);
        margin-top: 6px;    
    }
    header .mobile-menu-content ul .submenu li a {
        border-bottom: none;
        margin-bottom: 0;
        padding: 15px 0 10px 10px;
        font-size: 0.97em;
        color: black;
        margin-top: 7px;
    }
    header .mobile-menu-content ul .submenu li a:hover {
        color: #3c78d8;
    }
    header .mobile-menu-content ul .has-submenu.open > .submenu {
        display: block;
        animation: fadeInDown 0header .25s;
        background: white;
    }
    .mobile-menu-content ul .submenu-toggle {
        font-size: 0.9em;
        margin-left: 150px;
        cursor: pointer;
        user-select: none;
    }
    
    @keyframes fadeInDown {
        from { opacity: 0; transform: translateY(-10px);}
        to { opacity: 1; transform: translateY(0);}
    }
    header .btn-desktop{
        display: none;
    }

}
@media (max-width: 680px) {
    header .transparent #logo img {
        max-height: 45px;
        max-width: 169px;
    }
}