.home-hero__collage img {
    position: absolute;
    inset: 0;
    opacity: 1;
    transition: transform .8s cubic-bezier(.2, .7, .2, 1), opacity .8s ease;
}

.home-hero__collage img.home-collage__incoming {
    opacity: 0;
    z-index: 1;
}

.home-hero__collage img.home-collage__incoming.is-visible {
    opacity: 1;
}

.home-hero__collage img.home-collage__outgoing {
    opacity: 0;
}

.home-collage__large {
    z-index: 0;
}

.home-collage__small {
    z-index: 1;
}