function App(){
  const [booking,setBooking]=React.useState(false);
  const open=()=>setBooking(true);
  return (<React.Fragment>
    <Nav onBook={open}/>
    <main>
      <Hero onBook={open}/>
      <Programs/>
      <Membership onBook={open}/>
      <Coach onBook={open}/>
    </main>
    <Footer/>
    <BookingFlow open={booking} onClose={()=>setBooking(false)}/>
  </React.Fragment>);
}
window.App=App;