How to hide titles if there’s no stock?

Hello,

Can you tell me how can I hide the titles in the filters with no stock? Right now, it’s shown as grayed out but I believe that’s not UX friendly.

If there’s no way to hide it, how can I automatically bring the titles to the top for the products that are in stock? I mean all the grayed-out titles should go to the bottom.

The page I need help with: [log in to see the link]

 

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