Add page-intro partial for centered narrow intro section

views/partials/page-intro.php

@@ -0,0 +1,26 @@
+<?php
+/**
+ * Page Intro Partial
+ *
+ * Renders the centered narrow intro section beneath the page hero.
+ * Loaded by page.php when the `intro` ACF field is non-empty.
+ *
+ * @package CWC
+ */
+
+namespace CWC;
+
+$intro = get_field( 'intro' );
+
+if ( ! $intro ) {
+    return;
+}
+?>
+
+<section class="page-intro py-12 lg:py-20 text-center" aria-label="<?php echo esc_attr__( 'Page introduction' ); ?>">
+    <div class="container mx-auto max-w-3xl content-wrapper">
+        <p class="page-intro__text text-lg lg:text-xl leading-relaxed text-dark">
+            <?php echo wp_kses_post( $intro ); ?>
+        </p>
+    </div>
+</section>