Build modifier classes from editor options. Aspect ratio: b-image-gallery--ar-{value} (--ar-auto has no CSS rule → natural dimensions) Hover effect: b-image-gallery--hover-{value} Caption mode: b-image-gallery--caption-{value}

{data.subheader}

Media wrapper — conditionally wrapped in lightbox anchor. The contains only the image so the caption stays outside the interactive area and is accessible independently.