turn my hand drawn landscape sketch into a clean refined landscape architecture master plan in the style of an elegant pacific northwest preserve all details geometry scale add tree positions from reference images pass and layouts exactly as in my sketch do not change the design render it soft watercolor textures like gray and green toe shading thin vector style outlines and gentle shadows trees should appear as semi transparent circular canopies with subtle gradient and white center points pathways and plaza should use light strip textures and a pastel color fields add clear architectural annotation simple labels color hints contour hints and reference lines in a sub technical drawing style maintain the elegant european composition board aesthetic minimal area precise and professional
