"Preserve facial identity, realistic skin texture, smartphone camera quality, natural lighting, authentic colors, candid body language and believable environments. Avoid luxury lifestyles, studio photography, excessive retouching and unrealistic edits. Create a realistic casual smartphone photo of a young man standing inside a busy nightclub or bar, upper body shot from approximately chest height upward, one hand raised naturally running through his hair in the completely instinctive self-grooming gesture that people make unconsciously in social environments — fingers loosely spread pushing back through the hair from the front, elbow raised naturally from the arm position, the gesture looking completely uncontrived and automatic rather than posed. His expression is completely natural and slightly serious — not smiling for a camera, just a relaxed neutral expression with direct forward gaze slightly downward as if looking at something or someone just below the camera frame, the authentic unbothered confident expression of someone completely comfortable in a social nightlife environment. This image must look exactly like a real unedited iPhone photo taken by a friend standing directly in front of him who quickly raised their phone and captured this moment without him knowing. Absolutely no bokeh anywhere in this image. No blurred background. No shallow depth of field. No portrait mode blur. No artificial background separation. Everything in the entire frame must be completely sharp and in focus the way a real iPhone photo actually looks. The nightclub crowd visible behind him must be completely sharp with individual people clearly visible — their faces, clothing, raised arms and movement all sharp and realistic. The nightclub ceiling and lighting infrastructure above must be sharp and clearly visible. Every light fixture must be sharp. Everything in focus because this is how a real iPhone photo looks in this environment. Wearing a dark button up shirt — either a simple black satin or dark navy shirt with two or three buttons casually undone at the collar creating a relaxed open neck look, the shirt slightly damp from the heat of the club creating realistic fabric texture changes, the collar slightly disheveled from an evening of movement and dancing. The nightclub environment surrounding him is rich with completely authentic detail — a dense crowd of people behind and around him with realistic nightclub energy, people dancing, talking and laughing with natural social movement, the crowd showing realistic nightlife clothing — dresses, shirts, various outfits all clearly visible and sharp. The nightclub lighting creates the characteristic complex multi-source light environment of a real club — warm amber and pink light from above stage or bar lighting creating warm highlights on his face, forehead and the top of his raised hand, cool blue and purple light from club lighting rigs creating colored shadows and ambient fill from the sides, distant colored spotlights and LED lighting visible in the background crowd creating realistic depth of colored light sources, a slight haze or atmospheric smoke in the upper portion of the background from fog machines creating the authentic nightclub air texture visible around the background lights. His face catches the warm amber overhead club light creating realistic highlights on his forehead, nose bridge and cheekbones with the colored club ambient filling the shadow areas with subtle warm pink or purple tones rather than dark neutral shadows, the raised hand catching warm light on the back of the hand and fingers. Flat realistic iPhone exposure handling the complex low light nightclub environment the way a real iPhone actually captures clubs — slightly higher ISO creating natural grain throughout the image especially in the darker areas, the bright light sources like spotlights and LED fixtures naturally slightly overexposed as they would be in a real club photo, the faces of background crowd members lit by the club lighting in a realistic natural way. Slightly imperfect framing with the subject positioned slightly left of center, very subtle frame movement suggesting the friend raised their phone quickly in a crowded environment. Looks exactly like a completely genuine candid photo taken by a friend in a crowded nightclub who noticed this naturally perfect moment and raised their iPhone before it passed."