You need an embassy visa for Italy if you have a Russian passport
Visa options for Italy
Visitor visa
Travellers need a visa to visit Italy for Business or Tourism. A paper or embassy visa is the only visa available for travellers visiting Italy. The visa is typically a stamp or sticker added to the passport. Travellers must obtain this visa from a local embassy, consulate, or visa center before travelling.
This is not offered by sherpa°.
Apply on the government site.