conditional logic doesn't hide field

hi
i have a form with a text field
if i write the value 1234 it has to show some fields and other no
if i don't write anything no fileds have to be showed
if you go on https://www.scandiccifiera.it/bform you can check it

the hide field it doesn't function but i have set in the logical condition... why?

best regards uca

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