We want to transfer boxing to the cloud canitel.com.ua

there are related questions, because box has not been updated for a long time 1. A website was attached to the box based on the templates of the box itself, is there now some kind of website template to which you can attach the box with the ability to edit it, or do you need to look for an engine that will work separately and integrate it with the box., if so, then the question 2. 2. which website engine for online stores is most fully and seamlessly integrated with boxing 3. what is the cost of transferring our box to the cloud (taking into account the options for the online store website (template, engine .. etc.). in box 1 business process, customers, orders, goods. Which of these will be transferred?