I wrote a blog post once about how my CSS workflow is often just iterative trial-and-error. I don't really understand what I'm doing. Perhaps you could springboard off that.
binyam.in/p/writing-cs...

planning - like how you write pseudocode before you write JS logic.

documentation (when, how, where)

writing maintainable CSS - especially when you come back after a few years.

Lol. In the 2013 docudrama "An Adventure in Space and Time", they show how the set designer for the show was lazy and just poked a bunch of holes in a piece of paper. And it worked!

Fanatics are often the more vocal factions