create a picturesque architectural landscape showcasing a modern hillside retreat the main building should have walls of pristine white with soft gray accents use natural stone textures for retaining walls colored in earthy beige and light brown highlight the staircases in a subtle light gray the curved driveway should be deep charcoal complementing the lush vibrant green grass incorporate large glass windows with black frames for a sleek modern look set the atmosphere during a serene golden hour casting a warm welcoming glow over the entire scene architecture
