:root {
    --button-width: 3rem;
    --line-width: 3rem;
    --line-height: 0.3rem;
    --line-border-radius: calc(var(--line-height) / 2);
}

.mobile-nav-toggle {
    display: none;
    cursor: pointer;
    justify-content: center;
    align-items: center;
    width: var(--button-width);
    aspect-ratio: 1;
    cursor: pointer;
    transition: all 0.5s ease-in-out;
    position: absolute;
    z-index: 9999;
    border: 0;
    top: 1rem;
    right: 1rem;
    padding: 1rem;
}

.mobile-nav-toggle__line {
    width: var(--line-width);
    height: var(--line-height);
    background-color: var(--color-fg-default);
    border-radius: var(--line-border-radius);
    transition: all 0.5s ease-in-out;
}

.mobile-nav-toggle__line::before,
.mobile-nav-toggle__line::after {
    content: "";
    position: absolute;
    width: var(--line-width);
    height: var(--line-height);
    background-color: var(--color-fg-default);
    border-radius: var(--line-border-radius);
    transition: all 0.5s ease-in-out;
}

.mobile-nav-toggle__line::before {
    transform: translateY(-16px);
}

.mobile-nav-toggle__line::after {
    transform: translateY(16px);
}

.mobile-nav-toggle.open .mobile-nav-toggle__line {
    transform: translateX(-50px);
    background: transparent;
    box-shadow: none;
}

.mobile-nav-toggle.open .mobile-nav-toggle__line::before {
    transform: rotate(45deg) translate(35px, -35px);
}

.mobile-nav-toggle.open .mobile-nav-toggle__line::after {
    transform: rotate(-45deg) translate(35px, 35px);
}