Mountain modern is a luxury residential style that pairs natural materials (wood beams, stone, brick, vertical siding) with clean contemporary lines and an intentional connection to the surrounding landscape. It originated in Park City and Heber Valley luxury residential and works anywhere with strong mountain or natural-view orientation. Hallmarks include exposed beam ceilings, floor-to-ceiling fireplaces in stone or brick, vertical siding profiles like Hardie board-and-batten, and large-format sliders or windows oriented to capture views. Ruby Estate is a Las Vegas example of the style.