MK1 Punto's do not have clutch fluid... Unlike BMWs, Punto's clutch is controlled via cable...
http://www.fiatforum.com/punto-technical/112771-help-bleeding-clutch-2000-punto.html
I had to change the clutch at 120,000 kilometers.
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around 200 pound in a garage or you can buy clutch kit your self for around 60 pound!!
try www.fiatforum.com
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Could be the clutch is gone. If that is the problem, you can have just the clutch changed, but don't wait too long. If it is the bearing, then have to change the compressor. When it is running, you will see the clutch wobble. The clutch can be changed with the compressor on the car. There is room.
Punto head gasket change is quite an easy job to do. It is almost impossible to give step by step instructions on these pages. The best that I could suggest, is for you to get a Haynes manual for the Punto this will show the exact procedure to follow.