Requirements:
Easy maintenance
Git/file system support
Allows for easy migration
Doesn't require me to have internet access
Markdown support
Easy styling
Static
Pros:
Nice UI
Decent free Basic plan
Includes one free private book
No need to always use command line
Works well on iPad through Safari
Custom domains
Google Analytics support
I don't mind:
Single style
Other static site generators: https://www.staticgen.com
Previously using Phenomic. Fully manual.