Luxury Mobile App Hero Visual — Minimalist App Screen as Tactile Physical Object

MODEL: FEMALE. Use exactly one female model reference for this image. A cinematic 4:5 portrait-oriented hero image for a luxury technology brand. Two adult fashion models — one male, one female — stand inside a vast minimalist showroom with 5-meter ceilings clad in polished micro-cement the color of wet ash. Between them, floating at chest height with no visible support, is a physical manifestation of a mobile app screen: a razor-thin 18cm × 9cm slab of frosted borosilicate glass with softly glowing UI elements etched into its surface — a navigation bar at top, three card components with rounded corners, a floating action button pulsing faint electric-blue light. The glass slab catches controlled specular highlights along its beveled edges, throwing tiny caustic light patterns onto the models' clothing. The male model stands camera-left at a relaxed three-quarter angle, his left hand raised with fingers gently hovering 2cm from the glass slab's surface as if about to interact, his expression composed and quietly confident. The female model stands camera-right, body angled slightly inward, her right hand at her side with fingers naturally curled, her gaze directed at the floating interface with an expression of focused appraisal. Floor: seamless poured resin in warm concrete tone reflecting both figures as soft ghosts. Background wall: a single recessed horizontal LED strip at waist height emitting diffused cool-white light that wraps around the room. Overhead: a large rectangular architectural softbox recessed into the ceiling casting even, shadowless key light with Kelvin temperature 5200K. Fill light from floor reflection lifts shadows under jawlines. One accent light from camera-right at 15 degrees creates a subtle edge rim on the female model's blazer shoulder and t