I tried dozens in the space and it sounds like you have too. I settled on mkdocs for perfectmediaserver.com but hugo was up there too. mdbook is another great

I tried dozens in the space and it sounds like you have too. I settled on mkdocs for perfectmediaserver.com but hugo was up there too. mdbook is another great contender. There are lots of almost what I want options. In the end mkdocs-material was close enough and I needed to ship.