transform this clean 3d line render into a photorealistic finished reception desk and arch structure in a white pearl sandstone material palette bar front lower curved section apply a subtle flat decal style wavy pattern across the entire front face soft organic wavy lines suggesting a sand dune ripple appearing as a tonal surface variation not raised or sculpted relief keep the surface smooth add a single continuous strip of downlighting recessed under the top rim of the bar washing warm light down across the surface arch structure upper section apply an irregular flowing wavy line pattern across the entire arch structure as one unified continuous pattern soft organic meandering lines that shift direction and spacing naturally not straight or diagonal not confined to separate panels same subtle flat decal style treatment as the bar tonal variation only no raised texture no embedded lighting within the pattern keep the arch s smooth dome silhouette exactly as shown in the wireframe internal arch opening drape soft white pearl fabric across the entire internal opening of the arch covering it fully like a curtain with soft natural vertical folds in a warm white pearl tone not stark white add a single downlight recessed into the underside of the arch s internal curve inner top edge of the opening lighting downward onto the fabric no other lighting on the arch surface materials finish overall palette of white pearl soft sandstone and warm coastal neutrals throughout no other colors smooth matte to soft sheen material finish softly lit studio setting photorealistic render quality subtle ambient shadow beneath the structure on a plain neutral background