Regal amethyst-inspired public administration building, majestic columns, grand entrance, polished marble floors, intricate stonework, vibrant purple accents, creamy white walls, rich wood tones, elegant furnishings, sophisticated chandeliers, spacious atriums, abundant natural light, soft warm glow, shallow depth of field, 1/1 composition, symmetrical architecture, ornate details, realistic textures, ambient occlusion.