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Best way to approach multi-functional collection templates

I have a collection called “Templates”.

I have another collection called “Services” that references “Templates” in a dropdown.

I would like to design the “Services” collection page with content specific to the “Template” dropdown item selected in the collection item. Is there a way to conditionally show/hide elements based on that dropdown value? Also, will they be completely removed when rending on the live site? I don’t want any elements to show up (even with a display: none).

Any thoughts?