Patrick Clair of Elastic (www.elastic.tv) has created some of the most startling credit sequences in recent years, including both seasons of “True Detective” (HBO) and 2015 Emmy nominees “Halt and Catch Fire” (AMC) and “Daredevil” (Netflix). Clair explains the thinking behind his work and why a great title sequence ­­ long or short ­­ can still be a vital part of TV storytelling.