A majestic castle combining medieval grandeur with futuristic technology, perched atop a massive floating rock hovering in a sea of glowing clouds. The castle’s architecture features towering spires and fortified walls crafted from sleek metallic alloys, seamlessly blended with traditional stonework and ornate carvings. Neon-lit crests and holographic banners flutter in the air, while shimmering force fields protect its exterior. Lush bio-luminescent greenery spills over the battlements, glowing softly against the high-tech materials. Advanced hovercrafts, sleek drones, and glowing airships buzz around the castle, their lights leaving vibrant trails in the air.The sky above is a digital masterpiece, featuring holographic constellations, floating platforms, and glowing distant cities. Futuristic towers and medieval-style bridges extend from the castle, connecting it to other floating islands. A radiant artificial sun casts dynamic beams of light, highlighting intricate details and the perfect harmony of high-tech innovation with ancient craftsmanship. Rendered in ultra-detailed 8K resolution with cinematic lighting, the scene is both breathtaking and surreal.