Design systems: scaling a product without the chaos
A design system is not a Figma library — it is a contract between design and engineering. Here is how we build one that survives real product growth.
By Lakat Team
Every product that ships fast eventually hits the same wall: three buttons that should be identical are subtly different, spacing drifts page by page, and a “quick” redesign turns into a two-month archaeology dig. A design system is how you stop paying that tax. But most teams treat it as a folder of components and wonder why nothing improves.
A real design system is a contract. It says: this is what a button is, this is the only blue we use, this is what “medium spacing” means — and both the designer’s canvas and the engineer’s code agree on it. When that contract holds, scaling a product stops being risky.
Start with tokens, not components
The instinct is to design a beautiful button first. The discipline is to define the values first — colour, spacing, radius, type scale — as named tokens. Components are just tokens arranged in a pattern.
When --space-4 means 16px everywhere, a designer nudging a card and an engineer
writing CSS are speaking the same language. Change the token once and every
surface updates. This is the difference between a system that compounds and a
sticker sheet that rots.
One source of truth, two audiences
The hardest part is not building the components — it is keeping design and code in sync as the product grows. We wire tokens into both Figma variables and the codebase from a single definition, so a change can’t silently exist in one place and not the other.
We also resist the urge to systematise everything on day one. A design system earns its complexity. Start with the fifteen components you actually use on every screen — buttons, inputs, cards, navigation — document their states, and stop. The moment a pattern appears a third time, promote it. Anything rarer stays a one-off.
Governance is the real product
Tooling gets the credit, but governance keeps a system alive. Someone has to own it, review additions, and say “no” to a bespoke variant that a single page wants. Without that role, entropy wins within two quarters.
For the teams we work with, the payoff is measured in shipping speed: a new feature reuses proven, accessible, tested building blocks instead of reinventing them. Consistency stops being a design goal and becomes a side-effect of how the product is built.
