Where projects go wrong
The gap between a polished Figma prototype and a production-ready component is where most projects lose their quality. The design team produces something that looks exceptional in a static frame. The engineering team builds something that looks approximately like it but behaves differently at edge cases, doesn't quite implement the spacing correctly, and misses the interaction details that made the design feel premium.
This isn't an engineering problem or a design problem. It's a collaboration problem, one that gets worse as teams scale and as the distance between design and engineering disciplines increases. The handoff moment, where a design is 'finished' and 'thrown over the fence', is where quality goes to die.
The handoff moment, where design is 'finished' and thrown over the fence, is where quality dies.
Designing with implementation in mind
The solution starts before the handoff. Designers who understand how their work will be implemented make different design decisions, and better ones. Not because they constrain themselves to what's easy to build, but because they understand the difference between decisions that are hard to build for good reasons (complex interactions that justify the investment) and decisions that are hard to build for no reason (arbitrary dimensions that aren't on the spacing scale).
Design tokens are the bridge between design intent and implementation reality. When both design and engineering work from a shared set of named values, spacing, colour, type, radius, shadow, the implementation fidelity is structurally enforced rather than individually negotiated. A component that uses `--space-4` in Figma maps directly to `var(--space-4)` in CSS. There's no interpretation required.
FROM THE STUDIO
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Closing the gap in practice
In practice, closing the handoff gap requires three things: annotated designs that document interaction states and edge cases (not just the happy path), a shared vocabulary of components that both disciplines recognise by the same names, and a review process where engineers can flag implementation questions before they become production surprises.
The teams we've worked with who have the best handoff quality share one practice: designers attend at least one engineering review per sprint. Not to make decisions, but to see the questions that arise during implementation. Those questions are a direct map of the gaps in the design documentation. Fill the gaps with better documentation, and the questions stop.