24 unique anthropomorphic cats, Duolingo mascot style, flat design with subtle 3D shading, super cute, exaggerated facial expressions, bright pastel colors, round and soft shapes, big eyes, clean vector-like outlines, each cat in different themes, actions, and moods (happy, sad, surprised, angry, excited, sleepy, etc.), various outfits and props, arranged in a perfect 4x6 grid, white background, kawaii, high detail
