Strength & Focus — Couple Fitness Portrait

Create a cinematic, photorealistic fitness portrait based on the reference image. Keep both subjects’ facial identity, natural facial features, hairstyles, skin tones, and realistic expressions unchanged. The woman is positioned in the foreground, confidently performing a dumbbell shoulder exercise while looking directly at the camera. The man stands behind her, also holding dumbbells, with a focused natural expression. Both wear simple black athletic tank tops. Preserve the warm, moody indoor gym atmosphere with deep brown walls, soft amber lamp light, subtle background decor, and dramatic low-key lighting. Add realistic muscle definition without exaggeration, natural skin texture, authentic sweat highlights, shallow depth of field, cinematic composition, soft background bokeh, detailed dumbbells, realistic shadows, professional fitness photography, high detail, 4K, vertical portrait. 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.