/* Fade the page without creating a containing block for viewport-fixed navigation. */
:root {
    --page-motion-ease: cubic-bezier(0.23, 1, 0.32, 1);
}

body {
    animation: page-enter 240ms var(--page-motion-ease) both;
}

html.page-leaving body {
    animation: page-leave 180ms ease-in both;
    pointer-events: none;
}

@keyframes page-enter {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes page-leave {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    body,
    html.page-leaving body {
        animation: none;
        transform: none;
        opacity: 1;
    }
}