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Upon tapping a course card, the app transitions to a dark loading screen. The central focus is an animated illustration of the Duolingo mascot, Duo, reading a book. Duo gently bobs up and down in a looping idle animation, occasionally blinking, while the pages of the book subtly shift. Below the mascot, a loading text indicator pulses, accompanied by a helpful tip about the course standard. The transition into the loading state is a smooth fade, keeping the user engaged during the wait.
