ultra-realistic cinematic portrait, 9:16, medium full shot, a young woman sitting relaxed on wet sand inside a rocky sea cave opening toward the ocean, calm happy expression looking slightly sideways, face lock: preserve exact facial features, skin tone and hairstyle from reference, skin: ultra-clean bright skin with soft glow and smooth tonal transitions, hair: natural styled hair slightly damp with soft texture, clothing: black sports bra, blue distressed shorts, open loose white shirt, environment: cave interior framing a bright ocean view with turquoise water and rocky formations outside, wet sand reflecting light, lighting: natural sunlight entering from cave opening creating strong contrast between shadowed cave and bright exterior with soft reflections on water and sand, color: balanced cool ocean blues with warm natural skin tones and high clarity, lens: 50mm shallow depth of field with subject sharp and background softly blended
