nanobanana prompt: Hyper-realistic Sauna Portrait with Cinematic Lighting

{
  "project_configuration": {
    "title": "Cinematic Wellness: The Sauna Portrait",
    "version": "2.0_High_Fidelity",
    "output_parameters": {
      "aspect_ratio": "9:16",
      "resolution": "8K UHD",
      "color_space": "DCI-P3",
      "style_preset": "Hyper-realistic Photorealism",
      "rendering_engine": "Octane Render / Unreal Engine 5.4 Path Tracing"
    }
  },
  "subject_composition": {
    "identity": {
      "resemblance": "Sydney Sweeney",
      "age_range": "Early 20s",
      "expression": "Serene, introspective, captivating, direct eye contact",
      "skin_tone": "Fair, ivory, dewy complexion"
    },
    "anatomical_precision": {
      "micro_details": "Visible skin pores, fine vellus hair, realistic skin texture, subcutaneous scattering (SSS), tiny crystalline water droplets on collarbones and forehead.",
      "eyes": "Deep hazel, intricate iris patterns, sharp catchlights reflecting the warm sauna interior.",
      "lips": "Soft pink, moist, slightly parted, high-gloss finish from the humidity.",
      "hair": "Long blonde hair, wet-look styling, damp strands clinging to the skin, dark-blonde roots, high-specularity sheen."
    },
    "attire_and_fabric": {
      "primary_garment": "High-texture white cotton bath towel",
      "fabric_details": "Visible terry cloth loops, heavy fabric weight, damp patches showing darker white tones, intricate weaving patterns, soft frayed edges."
    },
    "pose_and_dynamics": {
      "position": "Seated elegantly on a mid-level cedar bench, legs crossed at the ankles.",
      "body_language": "Leaning slightly forward to create depth, relaxed shoulders, natural posture, hands resting softly on the wood."
    }
  },
  "environment_design": {
    "setting": "Ultra-luxury traditional Finnish sauna",
    "interior_materials": {
      "wood": "Polished Western Red Cedar, horizontal slats, visible grain, knots, and heat-induced oil sheen.",
      "elements": "Hot sauna stones in a stainless steel heater (background), rising heat haze."
    },
    "atmospheric_effects": {
      "steam": "Ethereal swirling mist, volumetric fog, thick humidity, moisture-laden air.",
      "haze": "Soft-focus background, golden-hour glow filtered through steam particles."
    }
  },
  "lighting_and_optics": {
    "lighting_setup": {
      "type": "Warm diffused ambient lighting",
      "primary_source": "Hidden LED strips beneath benches creating a soft under-glow.",
      "secondary_source": "Top-down warm spotlighting (3200K temperature).",
      "shadows": "Soft, diffused, zero harsh edges."
    },
    "optical_settings": {
      "lens": "35mm prime lens, wide angle with minimal distortion.",
      "aperture": "f/1.8 for shallow depth of field (bokeh background).",
      "focus": "Sharp focus on the subject's eyes, gradual fall-off on the shoulders and environment."
    }
  },
  "technical_post_processing": {
    "quality_enhancements": [
      "Photorealistic masterpiece",
      "Ray-traced reflections",
      "Global illumination",
      "Anamorphic lens flares (subtle)",
      "High Dynamic Range (HDR10+)",
      "16-bit color depth"
    ],
    "color_grading": {
      "palette": "Warm ambers, deep browns, clean whites, soft skin tones.",
      "vibe": "Cinematic, intimate, luxury spa, high-end editorial."
    }
  }
}