When the Great Recession took a bite out of business, many higher-priced Seattle restaurants had to cut corners to reduce costs. Fine dining took a hit. But one little restaurant on Capitol Hill went the other way. Chef Nathan Lockwood and his wife and managing partner, Rebecca Lockwood, opened Altura in October 2011 with a focus on seasonal Italian cuisine with the best possible ingredients and first-class service. Despite high prices, the place has thrived. “We’re partly the beneficiary…