.leeftijd-card {
    --_scale-fg: 1.5;
    --_transl-y-fg: 14px;
    --_sepia-fg: 0%;
    --_brightness-fg: 1;
    --_opacity-fg: 1;
    --_line-scale: 1;

    --_duration: 400ms;
    --_duration-y: 600ms;
    --_ease: cubic-bezier(0.22, 1, 0.36, 1);

    background-color: var(--ejk-secondary-l-9);
    align-items: center;
    padding: var(--at-space--m);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: background 0.25s;

    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: var(--ejk-secondary);
        transform: scaleX(var(--_line-scale));
        transform-origin: left;
        transition: transform 0.3s;
    }

    .leeftijd-fg-image {
        width: 100%;
        max-width: 12rem;
        aspect-ratio: 4 / 3;
        margin-inline: auto;
        margin-block-end: var(--at-space--m);
        display: flex;
        justify-content: center;
        align-items: center;

        & img {
            width: 100%;
            height: auto;
            object-fit: contain;
            scale: var(--_scale-fg);
            translate: 0 var(--_transl-y-fg);
            filter: sepia(var(--_sepia-fg)) opacity(var(--_opacity-fg)) brightness(var(--_brightness-fg));

            transition: scale var(--_duration) var(--_ease),
            translate var(--_duration-y) var(--_ease),
            filter var(--_duration) var(--_ease);
        }
    }
}

@media (hover: hover) {
    .leeftijd-card:not(:hover, :focus-within) {
        --_scale-fg: 1;
        --_transl-y-fg: 0px;
        --_sepia-fg: 60%;
        --_brightness-fg: 0.7;
        --_opacity-fg: 0.9;
        --_line-scale: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .leeftijd-card .leeftijd-fg-image img {
        transition-duration: 1ms;
    }
}