Elegant Couple Portrait at Twilight Beach

Photorealistic ultra-detailed 4:5 medium couple portrait at twilight, using the provided reference image as the exact identity source for both subjects; preserve facial structure, proportions, skin tone, hair and natural features without alteration. Couple stands closely on a beach, both making direct eye contact. Woman: long flowing hair, form-fitting navy-blue off-shoulder evening dress, diamond drop earrings, diamond necklace, tennis bracelet, silver ring, warm radiant smile. Man: natural hair, crisp white linen button-down with rolled sleeves, navy dress pants, brown leather belt, silver steel watch, subtle confident smile; right arm around her waist, left hand in pocket. Background: dark blue ocean with gentle waves, creamy bokeh from distant coastal city lights beneath a deep-blue evening sky. Soft flattering diffused light on faces, cinematic atmosphere, 85mm, f/1.8, shallow DOF, realistic skin texture, 8K, masterpiece, premium cinematic portrait photography.