The flagship newsletter / marketing template — an editorial-dark, premium membership campaign. Big Instrument-Serif display over brand video, with the real email marketing footer (Open Club OS · WhatsApp · why-line · Amsterdam address · GDPR) carried through.
quantum-landing → /newsletter-preview); its video heroes and motion can't render in an
inbox. To actually send it as a marketing email it must be adapted to an email-safe body (table
layout, static hero, web-font-with-fallback). Saved here so the marketing surface lives alongside
the transactional emails.