<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>US Invoicing · FireFlyOps360</title><style>body{margin:0;font-family:Inter,system-ui,sans-serif;background:#f4f6f9;color:#0f172a;display:flex;align-items:center;justify-content:center;min-height:100vh;text-align:center;padding:20px}.card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:40px 36px;max-width:420px;box-shadow:0 12px 32px rgba(15,23,42,.08)}.marca{font-size:12px;font-weight:800;letter-spacing:.18em;color:#1e40af;margin:0 0 6px}h1{font-size:20px;margin:0 0 10px}p{color:#64748b;font-size:14px;margin:0}</style></head><body><div class="card"><p class="marca">FIREFLY OPS360</p><h1>US Invoicing</h1><p>Invoices &middot; Receipts &middot; Sales Tax &mdash; coming soon.</p></div></body></html>