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In this checkout flow, a sticky floating 'Review' button is anchored at the bottom of the screen to guide the user downward. As the user scrolls to the bottom of the page, the floating button dynamically shrinks in width and fades out, handing over the primary call-to-action to the inline 'Continue to Razorpay' button. This scroll-linked animation prevents visual clutter by ensuring only one primary action button is prominent at any given time, creating a smooth contextual handoff.










