transform the floor plan into a realistic architectural render while preserving the exact layout geometry dimensions furniture placement materials and design intent add realistic daylight entering through the windows creating natural light gradients and soft shadows across the spaces at the same time maintain the hotel s interior lighting concept with warm low intensity ambient lighting approximately 2700k 3000k consistent with the atmosphere established in the other renders balance natural and artificial light to create a realistic hospitality environment use subtle shadows realistic depth and accurate light behavior preserve all architectural elements exactly as designed do not modify the floor plan furniture layout materials finishes or room configurations additionally add a continuous handrail along the entire staircase run following the existing staircase geometry and wall edges where applicable the handrail should be clean minimal and realistic and must only be placed where a handrail would naturally be mounted for safety and usability do not add any additional railings balustrades or guardrails where they do not already exist in the original design the goal is to enhance realism through lighting shadows atmosphere and minimal safety detailing while maintaining the original hotel design unchanged