Keep a bright white, warm canvas with a warm near-black ink — light is primary.
Use one orange (#FC5200) for logo, CTAs, links and the active flow path.
Set marketing display headings in Newsreader (serif); keep UI & body in Inter.
Make lifecycle loops literal — Trigger → Timer → Send → Filter → Exit, a contact flowing through.
Treat amber / violet / green / slate as functional signals only.