.header-inner{display:flex;justify-content:space-between;align-items:center}
.menu{list-style:none;display:flex;}
.menu li{position:relative}
.menu li ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#180036+0,180036+79,4f0aa8+100 */
background: linear-gradient(135deg,  #180036 0%,#180036 70%,#4f0aa8 100%); /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */

    min-width: 280px;
    padding: 16px;
    list-style: none;
    border-radius: 8px;
}
.menu li:hover>ul{display:block}
.menu li ul li ul{left:100%;top:0}
.menu-toggle{display:none;font-size:24px;background:none;border:none}
.main-nav {
    z-index: 999;
}
.menu-close {
    background: none;
    border: none;
    font-size: 28px;
    color: #fff;
    margin: 16px;
    align-self: flex-end;
}
.main-nav.active {
    right: 0;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media(max-width:768px){
.menu-toggle{display:block}
.main-nav{position:fixed;right:-100%;top:0;height:100%;width:260px;background:#111;transition:.3s}
.main-nav.active{right:0}
.menu{flex-direction:column;padding:10px 0}
.menu li ul{position:static}

    .main-nav {
        display: flex;
        flex-direction: column;
    }
}
.menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: .3s;
    z-index: 998;
}