Explore a technical approach to building scalable and flexible design systems from scratch in this conference talk. Learn how utilizing type systems like TypeScript can address common pain points in design system development. Discover strategies for creating type-safe utilities that enhance style implementation consistency while reducing human error in large enterprise applications. Gain insights into the history of web development, the components of effective design systems, and concepts like atomic design. Examine a case study demonstrating how to achieve ease of use and maintainability in design system creation. Understand the implementation of primitive and composite types, value and property utilities, and responsive design techniques to create robust and user-friendly design systems.