Optimizing Webflow CSS for Agile Development: Best Practices

i have a relume generated site in webflow. i use the generation tools in relume then tweak in webflow. but i am a 25 year full stack dev and can seamlessly move between AI and VS code, typescript, html, css and js platforms like react and vue. I WANT that full control. I want to be able to tweak and host in any environment at will. my problem is that the css structures are internal and not named in a convenient recognizable fashion for my work flow. what protocol do you you suggest for helping the true (rapid) developer as opposed to the deigner in rolling these sites out