Ultra-Realistic Cinematic Portrait in Magical Lagoon

ultra-realistic cinematic portrait, 9:16, a young woman standing waist-deep in crystal-clear blue water inside a fantasy-like lagoon or cave pool, body facing slightly toward camera with one leg subtly forward and arms relaxed naturally, calm serious expression, face lock: preserve exact facial features and identity if reference is used, do not alter face or hairstyle, natural proportions, skin: soft natural skin with visible pores and smooth tonal transitions, light freckles retained, hair: red hair tied in a high ponytail with soft natural texture and a few decorative strands or feather accents, clothing: deep black one-piece swimsuit, same minimalist halter style and same fitted fabric as the original, smooth stretch material, clean silhouette, no design change except the color changed fully to black, environment: glowing aqua-blue water with visible underwater plants, rocks and crystal formations, icy-cave or magical lagoon atmosphere, waterline cutting across the torso with realistic refraction and gentle ripples, location, style, fabric feel, scene composition and overall mood all kept the same, lighting: cool soft ambient light with subtle highlights on water and skin, cinematic contrast, color: rich turquoise and cyan water tones with cool atmospheric depth and strong black swimsuit contrast, lens: 85mm portrait feel with shallow depth of field, subject sharp and background softly blurred, realism: DSLR-quality, ultra detailed, photorealistic, no stylization, negative prompt: swimsuit color other than black, outfit redesign, cartoon, painting, CGI look, plastic skin, over-smooth face, distorted anatomy, extra limbs, bad water physics, blur, noise, text, watermark