nav {
    height: 120px;
    line-height: 120px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 99;
    transition: transform 0.5s, background-color var(--scrollColorFadeSpeed) ease;
}

nav > .container {
    margin: 0 auto;
}

nav.scrollUp {
    transform: translateY(-120px);
}

nav #logo {
    height: 22px;
    width: 111px;
    transition: fill var(--scrollColorFadeSpeed) ease;
}

nav ul.navbar-menu {
    margin: 0;
    padding: 0;
    float: right;
}

nav ul.navbar-menu>li {
    display: inline-block;
    margin-right: 20px;
}

nav ul.navbar-menu>li:last-child {
    margin-right: 0;
}

nav ul.navbar-menu>li>a {
    font-size: 16px;
    letter-spacing: -0.02em;
    font-weight: 600;
    line-height: 25px;
    transition: all var(--colorChangeSpeed) linear;
}

nav ul.navbar-menu>li>a:hover {
    text-decoration-line: underline;
}

nav button {
    background: none;
    width: 30px;
    height: 40px;
    margin-top: 20px;
    border: none;
    float: right;
    cursor: pointer;
    display: none;
}

nav button span {
    width: 30px;
    height: 40px;
    height: 2px;
    background: red;
    display: block;
    margin: 5px 0;
}

@media (max-width: 768px) {
    nav ul.navbar-menu {
        display: none;
    }
    nav button {
        display: block;
    }
}