nav{
    padding: 1.1em;

    font-family: "Roboto Mono", monospace;

    position: -webkit-sticky;
    position: sticky;
    top: 0; /* required */

    transition: top 1s ease-in-out, border-radius 1s ease-in-out;

   

    z-index: 5;
    padding-left: 2em;
    padding-right: 2em;
    width: max-content;

    background: var(--c-boxes);
    /*background: -moz-linear-gradient(117deg, rgba(34,34,34,1) 0%, rgba(59,54,54,1) 100%);
    background: -webkit-linear-gradient(117deg, rgba(34,34,34,1) 0%, rgba(59,54,54,1) 100%);
    background: linear-gradient(117deg, rgba(34,34,34,1) 0%, rgba(59,54,54,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#222222",endColorstr="#3b3636",GradientType=1);*/

    color: #fff;
    text-align: center;

    margin: auto;
    
    border-radius: 2em;
}
nav.isSticky-nav{
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}
nav ul #nav-logo{
    border-right: 0.2em solid var(--c-lines);
}
nav ul #nav-logo span{
    line-height: 0.75;
    font-size: 1.5em;
}
nav a{
    color: #fff;
    transition: color 1s;

    position: relative;
    text-decoration: none;
}

nav a:hover{
    color: #fff;
}

nav a::before {
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: #fff;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
nav a:hover::before {
    transform: scaleX(1);
}


nav ul {
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    padding: 0 3em;
}

nav ul li a {
    text-decoration: none;
}
#toggle-nav{
    display: none;

    -webkit-transition: transform 0.5s ease;
    -moz-transition: transform 0.5s ease;
    -o-transition: transform 0.5s ease;
    -ms-transition: transform 0.5s ease;
    transition: transform 0.5s ease;
}
.toggle-nav-rotated {
    transform: rotate(360deg);
}
.nav-open{
    max-height: 20em;
}
@media only screen and (max-width: 990px){
    #toggle-nav{
        margin-top: 0.25em;
        margin-left: 0.75em;
        position: absolute;
        left: 0;
        display: block;
        font-size: 2em;
    }
    nav{
        width: 100%;
        padding: 0;
        border-top-right-radius: 0;
        border-top-left-radius: 0;
        border-bottom-left-radius: 1em;
        border-bottom-right-radius: 1em;
        overflow: hidden;
    }
    nav ul {
        margin-top: 1em;
        gap: 2em;
        display: flex;
        flex-direction: column;

        -webkit-transition: max-height 1s ease;
        -moz-transition: max-height 1s ease;
        -o-transition: max-height 1s ease;
        -ms-transition: max-height 1s ease;
        transition: max-height 1s ease;

        max-height: 2em;
    }
    nav ul:last-child{
        padding-bottom: 1em;
    }
    nav ul #nav-logo {
        margin: auto;
        padding-bottom: 0.5em;
        margin-bottom: -1em;
        border-bottom: 0.2em solid var(--c-lines);
        border-right: none;
    }
  }