Photorealistic Detailed Portrait

A photorealistic detailed portrait. Expression: neutral, wide-eyed, deadpan, vacant doll-like stare. Set in a sandy beach during the day. Lighting setup: source: bright natural coastal daylight + sand bounce, direction: overhead and omnidirectional fill, quality: soft, diffused but very bright, neutral daylight (5500K) color temp, fill: maximum fill from bright white sand reflection, distribution: even illumination, few shadows, flattering on skin texture, bright beach day intent. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.