#mobile-menu-button {
    width: 30px;
    height: 31px;
    display: none;
    flex-direction: column;
    justify-content: space-around;
    padding: 5px;
}

#mobile-menu-button span {
    width: 20px;
    background-color: var(--color-text);
    height: 3px;
    border-radius: 3px;
    transition: transform 250ms ease-in-out;
}

#mobile-menu-toggle {
    display: none;
}

#header ul#header-nav-language {
    margin-left: 50px;
}



#mobile-nav {
    position: fixed;

    left: 0;
    top: 70px;
    right: 0;
    bottom: 0;
    overflow: auto;
    justify-content: center;
    align-items: center;
    display: flex;
    flex-direction: column;
    z-index: 100;

    transition: all 500ms ease-in-out;
    opacity: 0;
    visibility: hidden;
}

#mobile-nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
}

#mobile-nav-main a:not(.button) {
    display: inline-block;
    text-decoration: none;
    color: var(--color-text);
    padding: 10px;
    font-size: 24px;
}

#mobile-nav-main a.button {
    font-size: 18px;
}

#mobile-nav-main li {
    margin-bottom: 20px;
    text-align: center;
}

#mobile-menu-toggle:checked ~ #wrap #mobile-menu-button span:nth-of-type(1) {
    transform: translateY(7px) rotate(-135deg);
}
#mobile-menu-toggle:checked ~ #wrap #mobile-menu-button span:nth-of-type(2) {
    transform: scaleX(0);
}
#mobile-menu-toggle:checked ~ #wrap #mobile-menu-button span:nth-of-type(3) {
    transform: translateY(-7px) rotate(135deg);
}

#mobile-nav-language {
    font-size: 18px;
}

@media only screen and (max-width: 1280px) {

    #mobile-menu-button {
        display: flex;
    }

    #header {
        transition-delay: 500ms;
    }

    #mobile-menu-toggle:checked ~ #wrap #header {
        height: calc(100vh + 50px);
        background-color: rgba(255, 255, 255, 0.5);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition-delay: 0ms;
    }

    #mobile-menu-toggle:checked ~ #mobile-nav {
        opacity: 1;
        visibility: visible;
        transition-delay: 250ms;
    }
}