Art style: 3D Pixar.
A montage sequence. Billy and Filka sit together, laughing and talking. The sky behind them slowly changes from deep night to the soft colors of dawn. In the background, a beautiful oak tree with shimmering silver leaves is now visible. Style: 3D Pixar animation.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "3D Pixar" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "3D Pixar".
Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "3D Pixar" idiom, not in any other medium.
