Free Trial form in features grid: 2x3 layout, email + location + send

- features-grid changed to repeat(3, 1fr) for 2x3 layout
- 6th cell is a Free Trial card with midnight bg, brass border
- Email input, location dropdown (preselected to best ping server),
  brass Send button
- POST to webhook as JSON {email, location}
- On success: form hides, success message shown
- Responsive: 3col -> 2col -> 1col

script.js

@@ -527,6 +527,18 @@ var si = 0,
               /* Ping all servers, pick best, animate hero */
               var results = [];
               var pending = SERVERS.length;
+
+              /* Populate trial form location dropdown */
+              var trialLoc = document.getElementById('trialLocation');
+              if (trialLoc) {
+                SERVERS.forEach(function(s) {
+                  var opt = document.createElement('option');
+                  opt.value = s.host;
+                  opt.textContent = s.city;
+                  trialLoc.appendChild(opt);
+                });
+              }
+
               SERVERS.forEach(function(s) {
                 pingServer(s.host).then(function(r) {
                   results.push(r);
@@ -537,6 +549,15 @@ var si = 0,
                     valid.sort(function(a, b) { return a.time - b.time; });
                     var best = valid[0];
                     var bestServer = SERVERS.filter(function(s) { return s.host === best.host; })[0];
+                    /* Preselect best server in trial form */
+                    if (trialLoc && bestServer) {
+                      for (var i = 0; i < trialLoc.options.length; i++) {
+                        if (trialLoc.options[i].value === bestServer.host) {
+                          trialLoc.selectedIndex = i;
+                          break;
+                        }
+                      }
+                    }
                     if (bestServer && heroImages[best.host]) {
                       /* Highlight the matching server card */
                       var cards = document.querySelectorAll('.server-card');
@@ -554,6 +575,32 @@ var si = 0,
                   }
                 });
               });
+
+              /* Trial form submission */
+              var trialForm = document.getElementById('trialForm');
+              if (trialForm) {
+                trialForm.addEventListener('submit', function(e) {
+                  e.preventDefault();
+                  var email = document.getElementById('trialEmail').value.trim();
+                  var location = trialLoc.value;
+                  if (!email) return;
+                  var btn = trialForm.querySelector('.btn-brass');
+                  btn.textContent = 'Sending...';
+                  btn.disabled = true;
+                  fetch('https://002-001-5dd6e535-4d1c-46bc-9bd9-42ad4bc5f082.odoo4projects.com/webhook/c25169c6-4234-4b47-8e74-612b9539da0a', {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify({ email: email, location: location })
+                  }).then(function() {
+                    trialForm.style.display = 'none';
+                    document.getElementById('trialSuccess').classList.add('visible');
+                  }).catch(function() {
+                    btn.textContent = 'Send';
+                    btn.disabled = false;
+                    alert('Something went wrong. Please try again.');
+                  });
+                });
+              }
             })();
 
             fetch("blog/index.json?_=" + Date.now())