Ultra-realistic cinematic video of Valentina Ríos, a 27-year-old Colombian Latina AI Business Consultant. She has olive skin, long light brown hair tied in a high ponytail, expressive green eyes, athletic and elegant body proportions, natural makeup, confident smile, professional and approachable personality. She wears a modern business-casual outfit in white and navy blue, minimal jewelry, premium smartwatch. She speaks naturally to the camera with authentic facial expressions, subtle hand gestures, confident body language, and maintains direct eye contact. Luxury modern office environment with floor-to-ceiling windows overlooking the city skyline. Soft natural daylight mixed with cinematic lighting. Captured on Sony FX3, 85mm lens, ultra photorealistic skin texture, shallow depth of field, HDR, 4K, premium corporate aesthetic, highly detailed, realistic movement, smooth camera stabilization, authentic human behavior, no exaggerated gestures, no cartoon style, no uncanny valley, no visual artifacts. Scene: modern office. She looks directly at the camera, smiles, breathes naturally, and makes a small hand gesture while she says: "Hola, soy Valentina de LAIVTECH AI. Hoy quiero mostrarte cómo una empresa puede responder automáticamente todos sus mensajes de WhatsApp utilizando inteligencia artificial." Negative prompt: cartoon, anime, CGI, low quality, blurry, plastic skin, fake smile, extra fingers, distorted face, deformed hands, bad anatomy, duplicated limbs, unrealistic eyes, low resolution, oversaturated colors, text, watermark, logo, flickering, jitter, unstable motion, unnatural expressions.