1.1 First Principles

Guide attention with clear entry points and scan lines.

Use distance to show what belongs together fast.

Use size, weight, and tone to rank attention.

Use shared lines and grids to make layouts feel intentional.

Repeat key patterns so users learn your interface faster.

Use empty space as structure, not leftovers.

Use color meaning and contrast to guide decisions quickly.

Use a small type system to keep pages readable and ordered.