Fix homepage player controls and remove jump cue

[mikeylong]

Summary

• make the round homepage player buttons use light- and dark-aware surfaces, borders, icons, hover states, and focus treatment
• remove the homepage down-arrow jump control and its retired target, animation, responsive placement, and contrast branches
• retain the live film before the existing homepage hero and preserve the established scrubber rendering

Why

The round controls were pinned to the dark-film palette even when the site used light appearance. The jump control also competed with the live demo and could obscure its content. The homepage now keeps only the three player controls and lets the story continue naturally below the film.

Validation

• npm run test:site
• npm run site:build
• node --check site/build-site.mjs
• node --check tests/site.test.mjs
• node --check tests/site-local-server.test.mjs
• focused browser QA at 390x844, 844x390, 891x998, 1280x720, and 1440x900 in light and dark appearance
• focused diff review: no High, Medium, or Low findings

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Project	Deployment	Actions	Updated (UTC)
judgmentkit-ai	Ready	Preview	Aug 16, 2026 8:35pm