Acquia Cohesion renames to Site Studio from version 6.2. Tell me more.
Yes, you can build mega menus using Cohesion. Building mega menus requires advanced knowledge of jQuery in Acquia Cohesion and CSS.
There is no known SVG module that can be used with Acquia Cohesion.
Yes, the generated templates can be saved to the database.
Opacity is set using a decimal where 0 is transparent, 0.5 is 50% and 1 is solid.