---
title: Presentation Builder Rule Categories
version: 1.0.0
---

# Rule Categories

## 1. Layout (layout) -- CRITICAL -- 2 rules

Viewport fitting and content density rules for slide presentations.

- `viewport-fitting.md` -- Lock slides to 100vh/100dvh, scroll-snap, clamp() typography, responsive breakpoints
- `content-density.md` -- Maximum content per slide type (bullets, cards, code lines), split strategies
