Hero + countdown to launch, urgency/scarcity messaging • Product cards for Basic vs. Premium Simulator with pricing and quantity selectors • A full 4-step checkout flow — tier/qty → shipping → payment (with deposit vs. pay-in-full options, like real pre-order sites do) → confirmation with order number and next steps • Persistent state across steps, live-updating order summary, form validation • A separate B2B lead-capture flow (not a checkout) for the Professional Model Architecture System, since that’s quote-based, not self-serve • FAQ tailored to pre-order concerns (ship date changes, cancellations, deposit vs. full payment) • Footer, newsletter signup, and an optional simple admin/orders view
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