Smiling teenage girl 3D portrait with warm studio light

Pixar 3D animation ultra realistic. Teenage girl 15-17 years old with expressive large eyes, warm genuine smile, friendly confident expression. Photorealistic skin with subsurface scattering, natural rosy cheeks, subtle texture. Shoulder-length to long flowing hair with volumetric simulation - wavy, straight or curly in rich brown, chestnut, honey blonde or black with natural shine. Casual contemporary clothing - hoodie, graphic tee, denim jacket or cardigan with advanced cloth simulation. Simple accessories like earrings or necklace. Natural teenage proportions, relaxed casual pose. Simple gradient background in warm peachy tones, soft blues or neutral grays with subtle bokeh. Professional three-point studio lighting, warm and inviting, catchlights in eyes. 4K RenderMan rendering, realistic hair shader, cloth materials, global illumination. Eye level camera angle, shallow depth of field, rule of thirds composition. Optimistic warm relatable youthful energy.