Connect form email.

plushealthtech/Pages/Shared/_Layout.cshtml

@@ -100,10 +100,14 @@
             <div>
                 <h5 class="text-white text-sm font-semibold mb-4">Connect</h5>
                 <p class="text-xs text-slate-500 mb-4">Subscribe to our technical updates and newsletter.</p>
-                <div class="flex gap-2">
-                    <input type="email" placeholder="Enter email" class="bg-slate-900 border border-slate-800 text-xs px-3 py-2 rounded-lg text-white focus:outline-none focus:border-brand w-full">
-                    <button class="bg-[#1c8098] hover:bg-[#145f72] text-white text-xs px-4 py-2 rounded-lg font-semibold transition-colors">Join</button>
-                </div>
+                <form id="newsletter-form" action="/Subscribe" method="post">
+                    @Html.AntiForgeryToken()
+                    <div class="flex gap-2">
+                        <input type="email" name="Email" required aria-label="Email address" placeholder="Enter email" class="bg-slate-900 border border-slate-800 text-xs px-3 py-2 rounded-lg text-white focus:outline-none focus:border-brand w-full">
+                        <button type="submit" class="bg-[#1c8098] hover:bg-[#145f72] text-white text-xs px-4 py-2 rounded-lg font-semibold transition-colors">Join</button>
+                    </div>
+                    <p id="newsletter-message" class="mt-2 text-xs" hidden></p>
+                </form>
             </div>
         </div>
         <div class="max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 mt-12 pt-8 border-t border-slate-900 text-center text-xs text-slate-600">
@@ -140,6 +144,57 @@
         })();
     </script>
 
+    <script>
+        // Footer "Connect" newsletter form — posts to /Subscribe and shows
+        // the result inline instead of navigating away.
+        (function () {
+            var form = document.getElementById('newsletter-form');
+            if (!form) return;
+            var input = form.querySelector('input[type="email"]');
+            var button = form.querySelector('button[type="submit"]');
+            var message = document.getElementById('newsletter-message');
+
+            function show(ok, text) {
+                message.textContent = text;
+                message.classList.toggle('text-emerald-400', ok);
+                message.classList.toggle('text-red-400', !ok);
+                message.hidden = false;
+            }
+
+            form.addEventListener('submit', async function (event) {
+                event.preventDefault();
+                var email = input.value.trim();
+                if (!email) {
+                    show(false, 'Please enter your email address.');
+                    return;
+                }
+
+                button.disabled = true;
+                try {
+                    var response = await fetch(form.action, {
+                        method: 'POST',
+                        // FormData picks up the Email input plus the antiforgery token.
+                        body: new URLSearchParams(new FormData(form)),
+                        headers: { 'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8' }
+                    });
+                    var payload = null;
+                    try { payload = await response.json(); } catch (e) { /* non-JSON response */ }
+
+                    if (response.ok && payload && payload.success) {
+                        input.value = '';
+                        show(true, payload.message || "You're on the list — thanks for subscribing!");
+                    } else {
+                        show(false, (payload && payload.message) || "We couldn't sign you up right now. Please try again later.");
+                    }
+                } catch (err) {
+                    show(false, 'Something went wrong. Please try again later.');
+                } finally {
+                    button.disabled = false;
+                }
+            });
+        })();
+    </script>
+
     @await RenderSectionAsync("Scripts", required: false)
 </body>
 </html>

plushealthtech/Pages/Subscribe.cshtml

@@ -0,0 +1,10 @@
+@page
+@model SubscribeModel
+@{
+    ViewData["Title"] = "Subscribe";
+}
+
+@* No markup: POST /Subscribe is handled by SubscribeModel.OnPostAsync and
+   always returns JSON to the footer "Connect" form. This view exists so
+   Razor Pages discovers and routes the page model (a page model without a
+   .cshtml is not registered). *@

plushealthtech/Pages/Subscribe.cshtml.cs

@@ -0,0 +1,64 @@
+using System.ComponentModel.DataAnnotations;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using plushealthtech.Mail;
+
+namespace plushealthtech.Pages
+{
+    /// <summary>
+    /// Handles the footer "Connect" newsletter form (POST /Subscribe).
+    /// An API-style page handler: success and failure come back as JSON to
+    /// the layout's inline script; Subscribe.cshtml is an empty view that
+    /// exists only so the page model is routed.
+    /// </summary>
+    public class SubscribeModel : PageModel
+    {
+        private readonly MailSender _mailSender;
+        private readonly ILogger<SubscribeModel> _logger;
+
+        public SubscribeModel(MailSender mailSender, ILogger<SubscribeModel> logger)
+        {
+            _mailSender = mailSender;
+            _logger = logger;
+        }
+
+        [BindProperty]
+        [Required]
+        [EmailAddress]
+        [StringLength(320)]
+        public string Email { get; set; } = string.Empty;
+
+        public async Task<IActionResult> OnPostAsync()
+        {
+            if (!ModelState.IsValid)
+            {
+                return new JsonResult(new { success = false, message = "Please enter a valid email address." })
+                {
+                    StatusCode = StatusCodes.Status400BadRequest
+                };
+            }
+
+            var body = string.Join("\n", new List<string>
+            {
+                $"Email: {Email}",
+                string.Empty,
+                "Subscribed from the footer newsletter form (Connect) on the Plus Health Tech website."
+            });
+
+            try
+            {
+                await _mailSender.SendAsync($"New newsletter subscription — {Email}", body);
+                return new JsonResult(new { success = true, message = "You're on the list — thanks for subscribing!" });
+            }
+            catch (Exception ex)
+            {
+                // Log the full exception; never surface SMTP details to the user.
+                _logger.LogError(ex, "Failed to send newsletter subscription for {Email}", Email);
+                return new JsonResult(new { success = false, message = "We couldn't sign you up right now. Please try again later." })
+                {
+                    StatusCode = StatusCodes.Status500InternalServerError
+                };
+            }
+        }
+    }
+}