Captions Intro Text Fade Typing Emoji Pop Animation

The onboarding sequence begins with a series of smooth text crossfades that introduce the app's value proposition. A keyboard slides up, and simulated typing populates the prompt input. Tapping the action button triggers a blurred video card with a circular loading spinner that smoothly resolves into a sharp video preview. After customizing the environment and editing styles, a playful burst of heart emojis pops up from the bottom of the video frame with bouncy, staggered scaling.