Ultra-Realistic 3D Storefront & Office Branding Mockup

use the uploaded original logo and supplied brand colours as strict brand references. create an ultra-realistic modern storefront and office-signage mockup for [business type]. design architecture that feels contemporary, commercially believable and appropriate for the specified business without introducing unrelated themes. place the uploaded logo prominently above the entrance as a professionally manufactured [3d acrylic/metal/backlit] sign. reproduce accurate sign thickness, mounting hardware, stand-off spacing, edge construction, material finish and realistic light behaviour. add one smaller application of the unchanged logo on the glass entrance using a subtle vinyl decal, etched-glass effect or approved printed treatment. preserve the exact logo spelling, typography, icon, colours, spacing, alignment, negative space and proportions in both placements. use the supplied brand palette only for restrained architectural or signage accents. show realistic glass reflections, doorway scale, exterior materials, natural daylight and believable shadows. keep the entrance, windows and safety elements functional and unobstructed. treat the uploaded logo as the strict master reference. do not redesign the logo, replace fonts, change letters, invent slogans or add unsupported business information. no fake phone numbers, websites, opening hours, secondary logos, pedestrians blocking the sign, unrelated decorations, watermark or misspelled signage. premium storefront brand-identity mockup, ultra-realistic commercial 8k quality, horizontal 16:9 aspect ratio.