form composition order product to improve oscommerce customized

https://pofin.novara.org/2022 oscommerce customized door sales - working requires improvement of product order composition form, for example compraporte.it the single product has many options that can be selected with a drop-down menu, the options must appear in steps and be displayed only and exclusively if they are actually possible for that product. Therefore in administration the possibility of flagging only the possible combinations must be created