A photorealistic fantasy concept art of a melting heart made of luminous light, set against a vibrant red-black gradient background, featuring dynamic lighting that enhances its ethereal glow. The scene boasts stunning visuals with a cinematic quality, inspired by the artistry of Artgerm, Greg Rutkowski, Peter Mohrbacher, and Guweiz. The heart, intricate in detail, appears almost alive with subtle pulsations of light, casting mesmerizing reflections and deep shadows that dance across the canvas, creating a breathtaking and immersive experience.