futuristic stadium 3d model

Futuristic football stadium, 70,000 seats, elliptical bowl. Retractable petal-shaped roof with 12 curved metallic panels, central oculus opening. Sculptural exoskeleton of triangulated steel ribs, diamond-pattern aluminum cladding, brushed silver and anthracite finish. Floor-to-ceiling curved glass curtain walls with warm interior lighting. Grand arched entrance portals with cantilevered canopies, V-shaped steel columns, pedestrian plazas. Lower facade in polished dark granite with illuminated lettering. Four tapered corner towers with perforated metal mesh. PBR materials: anodized aluminum, tempered glass, weathered concrete, structural steel. Ultra-high-detail photorealistic architectural style, clean quad topology, neutral overcast lighting. Structurally plausible, real-world construction ready. No floating geometry.