Win-back email for lapsed customers (90+ days)

I want to win back customers who haven't bought from {{store}} in 90+ days. Help me write the email — designed to drop into Klaviyo / Mailerlite / Shopify Email.

Brand: {{brand}}
What I sell: {{product_category}}
Average order value: {{aov}}
Customer's last order (segment-merged variable): {{last_product}} — {{last_order_date}}
What's new since they last shopped: {{whats_new}} (e.g. '3 new colourways', '10 new SKUs', 'we've fixed the thing 4 customers complained about')
Win-back offer: {{offer}} (e.g. '20% off any order until {{offer_expiry}}', 'free shipping + a free gift')
Offer expiry: {{offer_expiry}}
Voice / vibe: {{voice}}

Write the email with these sections — labelled clearly so I can paste into the editor:

1) SUBJECT LINE (3 options, each ≤45 chars). One curiosity, one personalised, one direct.
2) PREVIEW TEXT (one line, ≤90 chars).
3) HEADER (≤8 words).
4) BODY (130–180 words):
   - Open with a personalised line — name them, reference their last buy.
   - 1 line on what's new.
   - The offer + expiry, plainly.
   - 1 link CTA. No 6 buttons.
5) PS LINE (≤25 words) — soft "if you're not into it anymore, no worries — unsubscribe link is here" style.

AU English. No "we miss you!" subject lines. No emojis at the start. Max 1 emoji in body.