:root {
    --menu: #E4572E;
    --menu-bg: #ECEFF1;
}

/* Hamburger menu lines */

#menu-toggle {
    position: absolute;
    top: 30px;
    right: 23px;
    opacity: 0;
    width: 26px;
    height: 20px;
    cursor: pointer;
}

#menu-toggle:checked + .button-menu > span {
    transform: rotate(45deg);
}
  
#menu-toggle:checked + .button-menu > span::before {
    top: 0;
    transform: rotate(0deg);
}

#menu-toggle:checked + .button-menu > span::after {
    top: 0;
    transform: rotate(90deg);
}

#menu-toggle:checked ~ .menu {
    right: 0;
}

/* Hamburger menu */

.button-menu {
    display: none;
    position: fixed;
    top: 42px;
    right: 26px;
    width: 26px;
    height: 20px;
    cursor: pointer;
}

.button-menu > span, .button-menu > span::before, .button-menu > span::after {
    position: absolute;
    width: 100%;
    height: 2px;
    transition-duration: 0.25s;
    background-color: var(--menu);
}

.button-menu > span::before {
    content: '';
    top: -8px;
}

.button-menu > span::after {
    content: '';
    top: 8px;
}

/* Mobile */

@media only screen and (max-width: 768px) {
    .button-menu {
        display: block;
        z-index: 10;
    }

    .menu {
        display: block;
        position: fixed;
        z-index: 9;
        top: 0;
        right: -100%;
        max-width: 300px;
        height: 100%;
        padding: 5rem 0;
        transition-duration: 0.25s;
        background-color: var(--menu-bg);
        list-style: none;
    }

    li {
        width: 50vw;
        padding-top: 0.6rem;
        padding-bottom: 1.2rem;
        font-size: 20px;
        color: #111111;
    }
}