transform my preliminary rendering into a clean architectural site plan illustration style it as a high end competition presentation board with a soft desaturated palette and refined linework requirements true top down orthographic view no perspective distortion thin black and dark grey linework for buildings and hardscape light beige cream base tone background muted sage green landscaping with layered tree canopies soft shadowing under trees only subtle not dramatic minimalistic graphic style no photorealism remove realistic textures and replace with flat material hatches add light grey street outlines and simplified vehicles clean curved pathways with thin contour like paving lines use simple diagrammatic symbols for trees and planting beds include subtle hierarchy in line weights thicker for building perimeter thinner for interior walls add small human scaled details like benches or site furniture in a minimal icon style maintain a balanced white margin around the site like a presentation board layout mood calm refined architectural diagrammatic landscape forward reference style contemporary competition site plan scandinavian minimal soft watercolor landscape overlay editorial architecture board
