Serene man in white outfit by the boat

Preserve face details based on reference photo, medium shot capturing the upper body, a man, wearing a crisp white button-down shirt with the sleeves rolled up, paired with tailored white trousers, standing with a relaxed posture, one hand in the pocket and the other resting on the side of a boat, head slightly turned to the left, gaze directed forward, wearing sunglasses, a well-maintained boat with polished wood surfaces occupies the foreground, and a chain bracelet visible, distant mountains in the background with a partly cloudy sky, creating layers of depth, soft natural lighting from the left, casting gentle shadows, the mood is sophisticated and serene, camera angle is eye level, photorealistic, 8k resolution, with shallow depth of field to blur the background slightly.