- More Meaningful Typography from List Apart, https://alistapart.com/article/more-meaningful-typography/
- Responsive typography with Modular Scale: Create meaningful proportions in your design using SASS, https://www.bugsnag.com/blog/responsive-typography-with-modu...
- How to Establish a Modular Typographic Scale, https://webdesign.tutsplus.com/articles/how-to-establish-a-m...
- https://www.modularscale.com is a tool to define your scale
- The Cicada Principle, revisited with CSS variables from an industry Design + Engineering guru/goddess, https://lea.verou.me/2020/07/the-cicada-principle-revisited-...
- https://utopia.fyi/blog have some good articles, more modern and relevant to the new CSS such as Clamps.
I had fun with Cicada - beautiful background patterns, which you yourself cannot predict. I was looking for my presentation on "Design with Mathematics, and Patterns" (or something in that line) but I think I may have lost it like many other open source files from before Github.
Do you have some links? Because the first DDG result for all those concepts together is your comment on this page.