Life after InfoPath - seeking advice

So we currently have a SP2010 environment where we have made extensive use of InfoPath forms. Some basic, some are centrally published with lots of code. Our new Director is hot on SharePoint Online and wants us to investigate moving to the cloud. Hoping to get some direction/advice here.

1. If we were to ignore that InfoPath is going away, and keep using it while we can, forms with code cannot be published to SharePoint online, right?
2. If we decide to do everything in aspx, will our devs who have worked primarily in InfoPath need to ramp up on asp.net, html, css, javascript, all without the benefit of a visual editor?
3. Can we use asp.net technologies like webforms or mvc in SharePoint 2013 Apps?
4. Am I missing other options?

Thanks