Ultra-photorealistic, breathtaking coral reef scene with vibrant, diverse corals in neon blues, pinks, and oranges. Crystal-clear turquoise water with sun rays piercing through, illuminating schools of exotic fish in electric colors—yellow tangs, clownfish, parrotfish. A majestic sea turtle glides gracefully, details on its shell ultra-sharp. Hyper-detailed textures, cinematic lighting, depth of field, underwater caustics. 8K, HDR, National Geographic style, awe-inspiring beauty