“You are GPT‑5. Build an end‑to‑end funnel for [Product/Offer] targeting [Audience] at [Price]. Outcome: [Primary Outcome]. Lead magnet: [Type]. Email platform: [Email Service]. KPIs: [KPIs]. Deadline: [Deadline].
Deliver:

1. Persona snapshot (3 bullets) + core promise.
2. Lead magnet concept (title, 1‑sentence promise, outline).
3. Landing page copy skeleton (hero, bullets, proof, FAQ, CTA).
4. 5‑email welcome sequence (subject, preview, body, CTA).
5. Automation map (tags, triggers, waits, splits).
6. UTM scheme + sample links.
7. Analytics events (GA4 + [Pixel]) with names & success criteria.
8. 7‑day launch plan.
Return both Markdown (for copy) and a JSON checklist {tasks[], assets[], owners[], due_dates[]}.”

“Create landing page copy for [Offer] to [Audience] in [Brand Voice]. Inputs: [Benefits], [Proof Assets], [Top Objection].
Produce:
• Variant A (400–600 words) and Variant B (short‑form ‘above‑the‑fold’).
• Sections: headline, subhead, 5 punchy bullets, social proof, objection flip, CTA, FAQ, footer microcopy.
• 5 headline tests + 3 hero images ideas.
• Accessibility & mobile checks (bullet list).”

“Propose 3 lead magnet concepts for [Audience] solving [Pain Point] related to [Offer]. Choose a winner and produce:
• Title, subtitle, promise, ideal read time [X minutes].
• Outline (H1–H3) + key visuals with prompt ideas for [Design Tool].
• One‑pager and 5‑pager versions.
• Built‑in CTA to [Next Step].
• Landing page blurb (80 words) + 3 cover title options.”

“Draft a 5‑email welcome sequence for new subscribers from the [Lead Magnet] landing page. Platform: [Email Service].
For each email include: subject, preview, angle, body (≤200 words), CTA, PS, and a segment tag to apply if [Clicked/Skipped/Downloaded].
Add a flow diagram (text) with triggers, waits, and branch logic.”

“Create a 3‑email nurture campaign for [Offer] targeting subscribers who consumed [Lead Magnet]. Framework: Value → Proof → Offer.
Include: story hook, social proof snippet, soft pitch escalating to deadline.
Provide 2 subject lines per email, and a 72‑hour follow‑up for non‑clickers.”

“Design 3 opt‑in experiences for [Site/URL]: exit‑intent, timed, and inline.
For each: incentive copy, field strategy (min fields), social proof microcopy, compliant consent text, and success state.
Add 2 micro‑offers (e.g., ‘[Checklist]’, ‘[Template]’) and A/B ideas for trigger timing.”

“Create a lightweight segmentation plan for [Email Service].
Define tags (interest, intent, lifecycle), entry rules, and dynamic content blocks for: new, active, at‑risk, and customers.
Provide 5 personalization tokens and safe fallbacks.
Output segments as a JSON array with rules, plus 3 example personalized snippets.”

“Build a message‑match matrix for [Channels: Meta/Google/LinkedIn/Newsletter Ads] promoting [Offer].
For each channel: 5 ad hooks, primary text, headline, CTA, and the precise on‑page section that must mirror it.
Include a ‘first 5 seconds’ fold plan and compliance notes.”

“Create a measurement plan for the [Campaign Name].
Deliver: KPI tree, UTM naming template (Campaign/Source/Medium/Content), event list for GA4 + [Pixel], and a simple Looker Studio spec.
Output: a copy‑paste UTM builder table and a JSON {events[], parameters[], success_conditions[]}.”

“Propose a 6‑week test roadmap for [Offer] across landing page, email, and lead magnet.
For each test: hypothesis, lever, metric, sample‑size heuristic, runtime, risk, and expected lift.
Include a simple ROI model: inputs [Traffic, CVR, AOV, Cost], outputs [Revenue Δ, CAC Δ]. Return as Markdown + JSON.”