apply realistic mediterranean materiality to the provided architectural render replace all beige yellow plastered wall surfaces with natural irregular stone masonry warm limestone tones light beige to sandy colors visible joints slightly rough texture traditional greek mediterranean style convert all grey structural elements pergola beams columns into natural wood medium to dark warm brown timber visible grain matte finish slightly weathered but well maintained transform all white elements balconies frames railings architectural details into smooth white mineral surfaces such as white plaster lime render or light stone resembling marble matte clean minimal mediterranean aesthetic keep the overall geometry unchanged enhance realism with natural lighting soft shadows and subtle material imperfections maintain a cohesive warm mediterranean palette high detail photorealistic output