{!-- =====================================================================
     embed_global_signup_form
     PHP backend logic preserved verbatim from .bak file. Markup only
     restyled with Tailwind / gf-* classes.
     ===================================================================== --}
<section id="signup" class="gf-section">
  <div class="gf-container">
    <div class="gf-surface-container grid lg:grid-cols-3 gap-8 items-start">

      <div class="lg:col-span-1">
        <p class="gf-eyebrow mb-2">Newsletter</p>
        <h2 class="gf-heading-2">Sign up. Be inspired.<br/>Receive newsletter.</h2>
      </div>

      <div class="lg:col-span-2">
        <div id="form-output-global">
<!--Register Section form php  =========== -->
<?php
$error		= '';
$email		= '';
$subject	= '';
$verify		= '';
if(isset($_POST['signup'])) {
$email		= $_POST['email'];
$verify		= $_POST['verify'];
$subject	= $_POST['subject'];
if(trim($email) == '') {
          $error = '<div class="gf-form-error"><span>Attention! Please enter a valid email address.</span></div>';
} else if(trim($verify) == '') {
    $error = '<div class="gf-form-error"><span>Are you a human? Please enter the verification number.</span></div>';
} else if(!isEmail($email)) {
    $error = '<div class="gf-form-error"><span>Attention! You have entered an invalid e-mail address, try again.</span></div>';
} else if(trim($verify) != '8') {
    $error = '<div class="gf-form-error"><span>Are you a human? The verification number you entered is incorrect.</span></div>';
}
if($error == '') {
$address = "hello@ginsburgfoundation.org";
$e_subject = 'Ginsburg Foundation Registration Received ' . $email . '.';
$e_reply = "Registration email provided: $email.\r\n\n";
$e_footer = "This is an automated message from the ginsburgfoundation.org application.\r\n\n";
$msg = $e_reply . $e_footer;
if(mail($address, $e_subject, $msg, "From: $email\r\nReply-To: $email\r\nReturn-Path: $email\r\n"))
{
        echo "<div class='gf-form-success'>";
        echo " <h3 class='gf-heading-3 text-primary-700 dark:text-primary-300'>Registration Successful.</h3>";
        echo "<p>Thank you, <strong>$email</strong>. We'll keep you up to date.</p>";
        echo "</div>";
    } else echo "<div class='gf-form-error'>Error. Registration not sent.</div>";
}
}
if(!isset($_POST['signup']) || $error != '')
{
?>
<?php echo $error; ?>
<?php }
function isEmail($email) {
return(preg_match("/^[-_.[:alnum:]]+@((([[:alnum:]]|[[:alnum:]][[:alnum:]-]*[[:alnum:]])\.)+(ad|ae|aero|af|ag|ai|al|am|an|ao|aq|ar|arpa|as|at|au|aw|az|ba|bb|bd|be|bf|bg|bh|bi|biz|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|co|com|dev|coop|cr|cs|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|eh|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|in|info|int|io|iq|ir|is|it|jm|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|mg|mh|mil|mk|ml|mm|mn|mo|mp|mq|mr|ms|mt|mu|museum|mv|mw|mx|my|mz|na|name|nc|ne|net|nf|ng|ni|nl|no|np|nr|nt|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pr|pro|ps|pt|pw|py|qa|re|ro|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tf|tg|th|tj|tk|tm|tn|to|tp|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|ye|yt|yu|za|zm|zw)$|(([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5])\.){3}([0-9][0-9]?|[0-1][0-9][0-9]|[2][0-4][0-9]|[2][5][0-5]))$/i",$email));
}
?>
        </div>

        <form id="contactForm" method="post" action="" class="grid grid-cols-1 sm:grid-cols-6 gap-4">
          <input type="hidden" name="XID" value="{XID_HASH}" />
          <input type="hidden" name="site_id" value="1" />

          <div class="sm:col-span-6">
            <label for="email" class="gf-label">Email address</label>
            <input id="email" name="email" type="email" placeholder="you@example.com" class="gf-input w-full" value="<?php echo $email; ?>" />
          </div>

          <div class="sm:col-span-3">
            <label for="verify" class="gf-label">Are you human? <span class="text-gray-500">2 + 6 =</span></label>
            <input id="verify" name="verify" type="text" placeholder="Answer" class="gf-input w-full" value="<?php echo $verify; ?>" />
          </div>

          <div class="sm:col-span-3 flex items-end">
            <button name="signup" type="submit" id="signup" value="Send Message" class="gf-btn-primary w-full">
              Sign up
            </button>
          </div>
        </form>
      </div>
    </div>
  </div>
</section>