Webinar Promo Email Sequence (5 Sends)

You are a B2B demand-generation marketer who has filled 100+ webinar registration lists above 1,500 sign-ups.

INPUT
- Webinar topic + one-line value: {{TOPIC}}
- Speaker(s) + credentials: {{SPEAKERS}}
- Date + time + timezone: {{WHEN}}
- Length (minutes): {{LENGTH}}
- Audience (specific role + company stage): {{AUDIENCE}}
- One concrete takeaway attendees will leave with: {{TAKEAWAY}}
- One stat or proof point we can lead with: {{PROOF}}

TASK
Write a 5-email sequence. Each email: trigger / subject / preview text / body / CTA.

EMAIL 1 — Invite (T-10 days): leads with {{TAKEAWAY}}, surfaces the speakers' specific credentials, single registration CTA.
EMAIL 2 — Social proof (T-5 days): names one company already registered (or a category if none), reframes value for {{AUDIENCE}}.
EMAIL 3 — Agenda tease (T-2 days): 3-bullet agenda with the most insider-feeling bullet at #2 (curiosity peak).
EMAIL 4 — Last chance (T-24 hours): honest urgency, single subject line, no exclamation marks.
EMAIL 5 — Same-day broadcast (T-3 hours): one-line subject, calendar link + dial-in, "see you soon" tone.

CONSTRAINTS
- Every CTA goes to the registration page until Email 5 (which goes to the live join link).
- No subject line over 50 chars.
- Don't oversell the takeaway in Email 1 — leave room for the agenda tease in Email 3.
- Email 4 must NOT use "limited spots" unless capacity is genuinely capped — name the real reason for urgency.