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Proximity index

A plain list of links that leans toward the pointer: nearby rows brighten, slide and lengthen their marker on a smooth falloff.

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Where it earns its place

Long indexes that need to feel alive without decoration: a lab or blog index, documentation sidebars, a table of contents.

What we changed

  • At rest the list keeps a soft bend around the current page, so the idea shows before anyone points and leaving the list never flattens it.
  • Rows are real buttons with aria-current, arrow, Home and End keys, and keyboard focus lights the list exactly as a pointer would.
  • Reduced motion drops the slide and keeps only the instant colour change.
  • Kept the original's engine: one frame loop easing a single effect value per row (a CSS custom property) that colour, shift and marker all read from, and it parks when settled.
  • Rewritten from scratch in the studio palette with fewer knobs: radius, shift and easing are fixed and explained.