Thanks to everyone who commented. I ended up using Material for MkDocs (https://squidfunk.github.io/mkdocs-material/ https://squidfunk.github.io/mkdocs-material

Thanks to everyone who commented. I ended up using Material for MkDocs (https://squidfunk.github.io/mkdocs-material/ https://squidfunk.github.io/mkdocs-material/). Fits all my requirements nicely.