Add Deeper Engagement service tier (from re-captured services page)

The services/pricing page has a second tier beyond the four starting points:
Team Coaching, Team Facilitation, Effectiveness & Skills, Multi-Stakeholder
Support, Offsites & Retreats, 1:1 Leadership Coaching. Added to the page and
the content source. No public prices except the Low Bono range.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

index.html

@@ -165,6 +165,17 @@
 
       </div>
 
+      <h3 style="margin-top:2.6rem">Deeper engagement</h3>
+      <p class="section-intro">When a team needs more than a focused starting point, longer arcs of coaching and facilitation meet you where the work is.</p>
+      <div class="principles" style="margin-top:1.4rem">
+        <div class="principle"><h3>Team Coaching</h3><p>Coaching alongside your team during real meetings and working sessions — typically over a 4–8 month arc.</p></div>
+        <div class="principle"><h3>Team Facilitation</h3><p>Holding the conversations that matter most, through skilled, neutral facilitation.</p></div>
+        <div class="principle"><h3>Effectiveness &amp; Skills</h3><p>Building practical skills for working together well under pressure.</p></div>
+        <div class="principle"><h3>Multi-Stakeholder Support</h3><p>For teams working across boundaries, roles, and organizations.</p></div>
+        <div class="principle"><h3>Offsites &amp; Retreats</h3><p>Space for reflection, alignment, and renewed direction.</p></div>
+        <div class="principle"><h3>1:1 Leadership Coaching</h3><p>Supporting leaders to develop inner capacity and outer effectiveness.</p></div>
+      </div>
+
       <div class="callout">
         <p class="eyebrow" style="color:var(--accent)">Social impact &amp; low bono</p>
         <h3>Supporting teams doing essential work in the world.</h3>