Out of stock does not hide

Hello,

Can you please help with out of stock appearance issue?
I have selected Hide out of stock but they are still showing up with a message “Sorry, no products matched your selection. Please choose a different combination.”.

Here is a link to the product page:
https://mykanthaka.com/sales-page/

example: Professional trainer should is out of stock for in-person training in Chicago but I’m still able to select it.