header.header {
    text-align: center;
    width: 100%;
    z-index: 999;
    padding: .4rem;
    position: absolute;
    background: var(--light-color);
    border-bottom: 0.1rem solid #d1d1d1;
}

header.header+main {
    padding-top: 6rem;
}

header.header input.navbar-toggle {
    display: none;
}

header nav {
    position: absolute;
    text-align: center;
    top: 100%;
    left: 0;
    background-color: var(--light-color);
    width: 100%;
    -webkit-transform: scale(1, 0);
    transform: scale(1, 0);
    -webkit-transition: -webkit-transform 400ms ease-in-out;
    transition: -webkit-transform 400ms ease-in-out;
    transition: transform 400ms ease-in-out;
    transition: transform 400ms ease-in-out, -webkit-transform 400ms ease-in-out;
    -webkit-transform-origin: top;
    transform-origin: top;
}

header nav ul {
    margin: 0;
    margin-top: 14%;
    padding: 0;
    height: 90vh;
}

header nav li {
    margin-left: 1rem;
    height: 10%;
    list-style: none;
}

header nav a {
    text-transform: uppercase;
    opacity: 0;
}

.nav-heading {
    font-size: 3rem;
}

.navbar-toggle:checked~nav {
    -webkit-transform: scale(1, 1);
    transform: scale(1, 1);
}

.navbar-toggle:checked~nav a {
    opacity: 1;
    -webkit-transition: opacity 200ms ease-in 100ms;
    transition: opacity 200ms ease-in 100ms;
}

.navbar-nav-toggle {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    margin-right: 2rem;
}

.navbar-nav-toggle:hover,
.navbar-nav-toggle:focus {
    cursor: pointer;
}

.navbar-nav-toggle span,
.navbar-nav-toggle span:before,
.navbar-nav-toggle span:after {
    display: block;
    background: #333;
    width: 2rem;
    border-radius: 0.125rem;
    position: relative;
    height: 0.25rem;
}

.navbar-nav-toggle span:before,
.navbar-nav-toggle span:after {
    content: '';
    position: absolute;
}

.navbar-nav-toggle span:before {
    top: 0.8rem;
}

.navbar-nav-toggle span:after {
    bottom: 0.8rem;
}

.nav-brand {
    margin-bottom: 0;
}

@media screen and (min-width: 50rem) {
    .navbar-nav-toggle {
        display: none;
    }

    header.header {
        display: -ms-grid;
        display: grid;
        -ms-grid-columns: 1fr auto minmax(37.5rem, 3fr) 1fr;
        grid-template-columns: 1fr auto minmax(37.5rem, 3fr) 1fr;
    }

    .nav-brand {
        -ms-grid-column: 2;
        -ms-grid-column-span: 1;
        grid-column: 2/3;
        margin: auto;
    }

    header nav {
        all: unset;
        -ms-grid-column: 3;
        -ms-grid-column-span: 1;
        grid-column: 3/4;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-pack: end;
        -ms-flex-pack: end;
        justify-content: flex-end;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
    }

    header nav ul {
        margin-top: 0;
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        height: auto;
    }

    header nav li {
        margin-bottom: 0;
        margin-left: 2rem;
        -webkit-box-align: center;
        -ms-flex-align: center;
        align-items: center;
        height: auto;
    }

    header nav li {
        margin-bottom: 0;
        margin-left: 2rem;
    }

    header nav a {
        opacity: 1;
    }
}