feat(en-pages): build remaining 14 pages (Editorial / Forms / Hubs / Legal)

Brings the EN site to 34 live pages, completing the original sitemap
from PDF Strategie & Contenu Partie C.1.

Editorial section (5 pages, page-editorial-detail.php template)
- /why-asterion/, /about/, /customers/, /trust/, /partners/
- inc/editorial-data.php centralizes the copy from D.18-D.21, D.28
- Reuses the industry-detail partial (same section schema)

Conversion section (4 pages, page-conversion-form.php template)
- /request-demo/, /request-te-kit/, /request-quote/, /contact/
- inc/forms-data.php declares fields per page (text/email/select/textarea)
- template-parts/conversion-form.php renders two-column layout
  (form left, promise right), eligibility list (T&E), FAQ (Demo)
- inc/form-handler.php: nonce-protected POST handler with honeypot,
  per-field sanitizer, wp_mail to AV_LEADS_RECIPIENT (defaults to
  jerome.foucher@asterionvr.com, override via wp-config.php define),
  redirect-back-with-status pattern.

Insights & Resources (page-insights-hub.php, page-resources.php)
- /insights/ queries `post`, falls back to placeholder when empty
- /resources/ lists 4 resource groups (datasheets, whitepapers,
  videos, brochures) per D.23

Legal (page-legal.php template, parent + 4 children)
- /legal/, /legal/privacy/, /legal/terms/, /legal/cookies/, /legal/notice/
- Renders page content if filled, falls back to slug-driven section
  skeleton (per D.29) for counsel to draft against.

All 16 new URLs verified HTTP 200, sizes 49-66 KB each. Mu-plugin
asterion-seed-rest.php in LocalWP self-deleted after seeding.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

wp-content/themes/asterion-bricks/templates/page-insights-hub.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * Template Name: Insights Hub
+ *
+ * /insights/ — blog hub. Lists native `post` items as blog cards.
+ *
+ * @package AsterionBricks
+ */
+defined('ABSPATH') || exit;
+
+get_header();
+$home_url = home_url('/');
+?>
+
+<section class="av-hero" aria-labelledby="insights-headline">
+  <div class="av-hero__media" aria-hidden="true">
+    <div style="width:100%;height:100%;background:
+        radial-gradient(ellipse at 60% 40%, rgba(201,164,90,0.12), transparent 60%),
+        linear-gradient(135deg, #081427 0%, #0B1F3A 70%, #13294B 100%);"></div>
+  </div>
+  <div class="av-container">
+    <div class="av-hero__inner">
+      <p class="av-hero__eyebrow"><?php esc_html_e('Insights', 'asterion-bricks'); ?></p>
+      <h1 id="insights-headline" class="av-hero__headline">Notes from the front of immersive training.</h1>
+      <p class="av-hero__sub">
+        Doctrine. Training science. Instructor stories. AAR data. Comparisons of VR vs live training. Found something useful? It probably came from a customer conversation. We publish what we learn.
+      </p>
+    </div>
+  </div>
+</section>
+
+<section class="av-section" data-av-reveal>
+  <div class="av-container">
+    <?php
+    // Categories filter chips (placeholders — wired to native `category` taxonomy if used).
+    $categories = ['Doctrine', 'Technology', 'Case Studies', 'Industry News', "Founder's Notes"];
+    ?>
+    <div style="display:flex;flex-wrap:wrap;gap:var(--space-3);margin-bottom:var(--space-10);">
+      <?php foreach ($categories as $cat) : ?>
+        <span class="av-btn av-btn--ghost av-btn--sm" style="border:1px solid var(--color-border-default);"><?php echo esc_html($cat); ?></span>
+      <?php endforeach; ?>
+    </div>
+
+    <?php $posts = get_posts(['numberposts' => 12, 'post_status' => 'publish']); ?>
+    <?php if (! empty($posts)) : ?>
+      <div class="av-grid-3">
+        <?php foreach ($posts as $post) : setup_postdata($post); ?>
+          <article class="av-card av-card--blog">
+            <a href="<?php the_permalink(); ?>" class="av-card__media" aria-hidden="true" tabindex="-1" style="background:linear-gradient(135deg,#CCD3DC,#E5E9EE);"></a>
+            <div class="av-card__body">
+              <span class="av-card__eyebrow"><?php echo esc_html(get_the_date('M j, Y')); ?></span>
+              <h2 class="av-card__title"><a href="<?php the_permalink(); ?>" style="color:inherit;text-decoration:none;"><?php the_title(); ?></a></h2>
+              <p class="av-card__excerpt"><?php echo esc_html(wp_trim_words(get_the_excerpt(), 22)); ?></p>
+              <div class="av-card__cta"><a href="<?php the_permalink(); ?>" class="av-link av-link--with-arrow"><?php esc_html_e('Read more', 'asterion-bricks'); ?></a></div>
+            </div>
+          </article>
+        <?php endforeach; wp_reset_postdata(); ?>
+      </div>
+    <?php else : ?>
+      <p style="color:var(--color-text-muted);max-width:64ch;">
+        <?php esc_html_e('Editorial blog launches with the site go-live. The 12-month content calendar is in the Strategy & Content brief, section B.4. New articles will appear here as soon as they ship.', 'asterion-bricks'); ?>
+      </p>
+    <?php endif; ?>
+  </div>
+</section>
+
+<section class="av-section av-section--dark" data-av-reveal>
+  <div class="av-container">
+    <div style="display:grid;grid-template-columns:1fr;gap:var(--space-8);align-items:center;" class="av-newsletter-row">
+      <div>
+        <span class="av-eyebrow av-eyebrow--gold"><?php esc_html_e('Newsletter', 'asterion-bricks'); ?></span>
+        <h2 style="font-family:var(--font-display);font-size:var(--text-h1);line-height:var(--leading-h1);color:var(--color-text-on-dark);margin:var(--space-3) 0;">Subscribe — one article per month.</h2>
+        <p style="color:var(--color-text-on-dark-muted);max-width:60ch;">
+          Insights from the front of immersive training. One email per month. No spam. Unsubscribe in one click.
+        </p>
+      </div>
+      <form method="post" action="#" style="display:flex;gap:var(--space-3);flex-wrap:wrap;align-items:flex-start;" aria-label="<?php esc_attr_e('Newsletter signup', 'asterion-bricks'); ?>">
+        <label for="av-insights-newsletter" class="av-sr-only"><?php esc_html_e('Your email', 'asterion-bricks'); ?></label>
+        <input type="email" id="av-insights-newsletter" name="email" class="av-input" placeholder="<?php esc_attr_e('your@email.com', 'asterion-bricks'); ?>" required style="flex:1;min-width:200px;">
+        <button type="submit" class="av-btn av-btn--primary av-btn--md"><?php esc_html_e('Subscribe', 'asterion-bricks'); ?></button>
+      </form>
+    </div>
+    <style>@media (min-width: 768px) { .av-newsletter-row { grid-template-columns: 2fr 1.5fr !important; } }</style>
+  </div>
+</section>
+
+<?php get_footer(); ?>