Engain: The Brand Book.
Engain is the AI-powered Reddit marketing software: it finds the threads where buyers decide, places comments that read like people, and upvotes them to the top, where 90% of demand and every LLM citation lives. This book gives that machine its brand: Celestial Orange on real design tokens, Inter at documented scales, and a cluster mark drawn like replies branching from a thread. All 38 pages.

01 · Introduction
What Engain is, the mission in six words, four values and a voice built to survive comment sections.






02 · Logo System
Three nodes joined like replies branching from a thread: construction, clear space, sizes, colors and misuse.








03 · Typography
Inter at the system's real scales, Display 2xl down to Text 2xs, four weights each, with the shipped spec pages embedded.






04 · Color Tokens
Not moods, tokens: the Celestial Orange ramp, the neutral scale, three semantic ramps, every value contrast-rated in the shipped spec.





05 · The Motion
The product's three-step story as a brand asset: find the thread, say it like a human, rise and own.




06 · Data Stories
The evidence engine: Reddit dominates AI citations, zero-click is real, distribution beats domain.



07 · Applications
The site, the entry points, why it wins, and the back cover.





08 · In the Wild: The Site
The live landing running the system. Scroll it inside the frame.

09 · In the Wild: Data Stories
The evidence engine in production: AI search, Reddit demographics and the zero-click reality, each on-brand down to the last data point.









Real tokens, a documented type system, a mark that draws the product, and an evidence engine arguing the thesis. Five brand books in, this is what the factory does.
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