15-second, 16:9 cinematic luxury fashion commercial. Concept: FROM EVERYDAY TO ICON. Use the FIRST

15-second, 16:9 cinematic luxury fashion commercial. Concept: FROM EVERYDAY TO ICON. Use the FIRST FRAME and FINAL FRAME as strict visual anchors. Keep the EXACT SAME GIRL throughout: identical face, hair color, hair length, facial features, body proportions and identity. One continuous forward walk, one continuous shot, no cuts, no teleportation, no sudden camera changes. 0–4s — EVERYDAY: Start from the first-frame reference. A young woman stands in a bright modern apartment wearing a white T-shirt, blue straight-leg jeans and white low-top sneakers. Natural daylight enters through floor-to-ceiling windows. She naturally begins walking forward with calm confidence. Camera follows smoothly using a cinematic 35mm lens, maintaining a full-body or near-full-body composition. Natural expression, no exaggerated smile. 4–8s — MATERIAL TRANSFORMATION: As she continues walking through a bright beam of sunlight, the transformation begins gradually. The cotton texture of her white T-shirt becomes progressively finer and more luxurious, naturally evolving toward a silky premium fabric. Her blue jeans gradually develop richer texture and a more sophisticated appearance. The transformation must happen continuously during her movement, never as an instant outfit change. 8–11s — COUTURE EVOLUTION: While she keeps walking, the white T-shirt progressively transforms into an elegant black couture top, while the jeans naturally evolve into a flowing black couture skirt. Her white sneakers gradually transform into refined black high heels. Fabric must maintain realistic weight, folds, tension and movement. No flickering, disappearing clothing, clipping or extra limbs. 11–13s — ENVIRONMENT TRANSFORMATION: Without cutting, the bright apartment environment gradually evolves around her. Walls, furniture and windows subtly darken and fade into a sophisticated dark fashion studio with soft cinematic lights and delicate atmospheric haze. It should feel like the space is being transformed around her, NOT like she has been teleported. 13–15s — ICONIC HERO: She is now fully dressed in a stunning black couture gown and black heels. She reaches the center of the luxury fashion studio and slows to a stop. Camera transitions naturally from tracking to a subtle elegant arc as the gown flows around her. She turns slightly toward camera with a calm, confident fashion-editorial expression. End with a premium hero composition matching the final-frame reference: dark studio, elegant rim lighting outlining her hair, shoulders and couture silhouette. Camera slowly pulls back and settles into a refined luxury fashion campaign shot. STYLE: Photorealistic luxury fashion campaign, cinematic 35mm photography, premium editorial lighting, realistic skin and fabric texture, sophisticated black-and-white visual evolution, subtle atmospheric haze, shallow depth of field, physically accurate fabric movement, elegant restrained camera choreography. STRICT CONSISTENCY: Same girl, same face, same hair, same body proportions, same identity. One continuous forward walk. Clothing transformation must be gradual and physically believable. Environment transformation must be gradual and seamless. Correct anatomy, two arms, two hands, two legs and realistic feet.