3D Minimalist Construction Loading Icon

minimal 3D construction loading icon, glossy black rounded horizontal progress bar in the foreground with raised dark metallic rim, filled with alternating yellow and black diagonal hazard stripes, partial orange safety hard hat emerging behind the bar, centered on a clean light gray studio background, soft shadows beneath, smooth plastic and rubber materials, subtle reflections, isometric product-render feel, simple modern UI icon design, high quality 3D render, uncluttered composition