@FUSS:
You can not use normal parenthesis in a Kirby tag!
Parenthesis insite kirbytags are not working.
Look at https://forum.getkirby.com/t/parenthesis-in-a-link-produces-a-wrong-link/1832/5,
look there for the different coding, e.g. “ %28 ” and “ ( ” for the “(”.