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CSS-Only Hover-Reveal Pattern Surfaces Technical Specs Without JavaScript

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A web developer built a CSS-only hover-reveal component to display detailed product specifications on a maritime client's Gate Seal page without cluttering the layout. The pattern uses nested content layers inside each spec row, keeping a summary always visible while hiding extra detail until the user hovers or focuses. Keyboard accessibility is handled by mirroring the hover behavior on :focus-visible, ensuring no information is exclusively mouse-dependent. On touch devices, the interaction degrades gracefully to a tap-to-focus mechanism that reveals the hidden detail. For stricter screen reader control, the author notes that aria-expanded attributes can be added with minimal JavaScript, though the base pattern requires none.

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