Remote-first is not the same as remote-friendly. A truly remote-first culture designs every process, tool, and norm around distributed work rather than retrofitting office practices. This article draws on lessons from GitLab, Automattic, Basecamp, and Zapier to cover the pillars of remote-first culture: documentation as a default, asynchronous communication norms, intentional relationship building, equitable meeting practices, and transparent decision-making. It also addresses the challenges: isolation, career progression, timezone management, and maintaining culture without physical proximity.