Launch QA & Polish

Final pass before you ship a LANDING PAGE. Operated by the Seema team. DELIVER a concrete, landing-page-specific checklist grouped by area, each item a pass/fail check a non-technical founder can run — never generic ops items (CRM sync, email marketing are out of scope). COVER: links (no 404s, external open in new tab); responsive (renders at 390px, no horizontal scroll, …