Euro looks all about clean, low, deep alloys, smooth bodies. first thing i'd look at doing is getting a good set of alloys (probably only 14-15 inch) and slam it into the weeds. after that, don't put a kit on, just nip and tuck what you've got so its smooootth.
this is a great example of what to do, although it is a golf.
good luck, a mk1 punto will look sweet if done properly