Anuncio comercial de gafas de sol de moda premium

15-second premium fashion sunglasses commercial for the US market. Use the uploaded sunglasses image as the fixed product reference. Keep the sunglasses exactly the same throughout the entire video, including the frame shape, lens tint, size, material, proportions, and all design details. The sunglasses are the hero product and must remain visually consistent in every shot. Show a sequence of stylish models changing continuously from shot to shot while wearing the same exact sunglasses. Feature a diverse cast with different genders, ethnicities, face shapes, hairstyles, and fashion styling. Each model should bring a different attitude, energy, and mood, while the sunglasses stay identical and recognizable. Luxury American fashion campaign aesthetic, cinematic lighting, premium product close-ups, smooth transitions, editorial styling, modern and stylish, photorealistic, ultra-detailed, glossy lens reflections, fashion commercial quality, no text, no watermark.