Fantasy castle kingdom nested in mountainous landscape

3D rendered fantastical kingdom featuring densely layered architectural structures built across cliff terrain. Central grand castle with multiple spires positioned on elevated plateau. Terrain comprises stacked stone cliffs, cascading waterfalls, bridges, wooden platforms. Architectural palette shifts through red-brick fortifications, brown stone ramparts, white spired towers. Water elements include turquoise river channels, coastal waterways meeting cliff edges. Vegetation density increases across foreground, with bright green foliage softening terrain transitions. Atmospheric conditions include layered white cumulus clouds, light diffusion creating volumetric depth. Sky displays graduated blue tonality from horizon upward. No photographic characteristics visible; entirely procedurally generated environment.