→ headlines shrink like lines on a test chart and pull into focus as you scroll
→ every frame has its own CMS page: maker, shape, material, measurements, price, colour swatches
→ one page with every test, lens and repair, plus a monthly care plan
→ "Better one, or two?" in the hero: tap 1 and the chart blurs, tap 2 and it's sharp again, native variants, no code