Clara Jung, DesignerChristopher Stark For some, the office unwittingly becomes a home away from home. For Clara Jung, principal designer and founder of Banner Day Interiors, that was always the intention. In the early days of the pandemic, the California native purchased a three-bedroom cottage in Oakland that would soon serve as her firm’s headquarters. The 1,800-square-foot former residence was built in 1932, one of the final years of Art Deco’s reign, and still features the design era’s unique characteristics. “We needed a larger office space and readily found that an open-concept office wasn’t necessarily conducive to productivity,” Jung says. The home-turned-office quickly became a design laboratory of sorts, giving…