Interface Lab
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Visual Foundations

Section Rhythm Variation

Section Rhythm Variation turns a frequent interface judgment into an executable constraint before generation.

Design Principle

Long pages need variation in density, alignment, media ratio, and whitespace without changing the design system.

Principle

Long pages need variation in density, alignment, media ratio, and whitespace without changing the design system.

Design action

Plan opening, proof, detail, and action rhythms; vary width, columns, and media ratio instead of changing brand tokens.

Examples

Positive example: Landing pages, portfolios, docs, and resource pages have multiple consecutive sections. Counterexample: Several consecutive sections use centered heading plus three cards.

Apply when

Landing pages, portfolios, docs, and resource pages have multiple consecutive sections. Users need to judge state, scope, risk, or next action quickly.

Source notes

Source note: Synthesized from Apple HIG, Material Design, NN/g usability principles, and layout/hierarchy practices in mature design systems. Apple HIG Layout: https://developer.apple.com/design/human-interface-guidelines/layout Material Design Layout: https://m3.material.io/foundations/layout/applying-layout NN/g Visual Design Principles: https://www.nngroup.com/articles/principles-visual-design/

Agent Directive

Plan opening, proof, detail, and action rhythms; vary width, columns, and media ratio instead of changing brand tokens.