fantasy castle, Hogwarts School of Witchcraft and Wizardry, ancient stone architecture, magical atmosphere, enchanted forest surrounding, flying broomsticks, students in wizard robes, house banners, floating candles, grand hall, PC game, launch screen, detailed textures, interactive environment, dynamic lighting, 3D rendering, immersive experience, high-resolution graphics, magical creatures, spell casting, potion brewing, adventure, mystery, full moon, starry night sky, ambient occlusion, real-time shadows, volumetric fog, particle effects, seamless transitions, user interface design, fantasy soundtrack, ambient sound effects.