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The interaction begins with a red scratch card overlay in the center of the screen. Dragging or scrubbing across the card simulates a physical scratching effect, masking out the red layer to reveal the reward underneath. Once a threshold is met, the remaining scratch layer fades out, triggering a vibrant burst of confetti. Immediately after, a bottom sheet containing the reward details and call-to-action buttons slides up smoothly from the bottom of the screen, settling with a subtle spring.
