Naïve Designer-Poster Illustration from a Photo

Transform the provided photo into a contemporary, original naïve illustration in the style of a premium designer poster. Use a minimalist hand-drawn aesthetic, amusingly exaggerated proportions, lively irregular outlines, and simple geometric forms. Use flat, high-contrast colors with no gradients, shadows, highlights, or 3D effects. Add delicate decorative marks and textures that evoke hand printing or gouache on paper. Preserve the photo’s composition, pose, clothing, and key details while heavily stylizing them. Keep the face recognizable, with large expressive eyes, rosy cheeks, and minimal features. Aim for the feel of contemporary children’s illustration by an independent illustrator: a warm natural palette and a cozy, simple, high-design look. Use a vertical format, detailed textures, and no photorealism.