Art style: Pixar-like 3D.
Full-length view, the entire figure visible from head to feet, lying upright on his back as a four-month-old infant held gently propped against a soft cushion, oriented head-up. A chubby baby boy, Vanya's son, with soft pale-peach skin, round full cheeks, a tiny button nose and large bright curious eyes. Sparse fine wispy light-brown hair across a smooth round head, small dimpled hands and plump bare feet with tiny curled toes — no footwear. He wears a pale sky-blue cotton onesie with a small cloud print and snap buttons, a soft white bib, and a knitted cream cardigan. Calm, contented expression with a gentle open-mouthed smile, one little fist near his chin. Set in a warm cozy nursery with a wooden crib, soft blankets and a hanging mobile filling the background.
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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 in the following art style:
Stylized cinematic 3D, expressive animated characters, soft rounded forms, polished materials, warm cinematic lighting, charming facial expressions, high-end animated film look.
Every surface, skin, fabric, material, and environmental element must be rendered in this idiom.
