Refining the online store on 1C-Bitrix

You need to make some improvements in the online store:

- make the accompanying goods at the card
- tweak the mobile version
- insert another script on the opening photo
- et al.

Site engine: 1C-Bitrix.

Ideally, you need someone who is well versed in Beatrix.

To save time, most importantly, my and your request to firms, agencies do not apply.