<!-- Walton Workspace Engagement Pixel -->
<script>
  (function() {
    var ENDPOINT = 'https://api.walton-control.com/v1/track';
    function sendEvent(type, extra) {
      var payload = {
        event: type, url: window.location.href,
        referrer: document.referrer || 'direct',
        timestamp: new Date().toISOString(), data: extra || {}
      };
      if (navigator.sendBeacon) {
        navigator.sendBeacon(ENDPOINT, JSON.stringify(payload));
      } else {
        fetch(ENDPOINT, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) });
      }
    }
    sendEvent('pageview');
    document.addEventListener('click', function(e) {
      var target = e.target.closest('a');
      if (target && (target.href.includes('wa.me') || target.href.includes('whatsapp.com'))) {
        sendEvent('whatsapp_click', { targetUrl: target.href });
      }
    });
  })();
</script>