diff --git a/site/index.html b/site/index.html
index 73efff5..a0eede8 100644
--- a/site/index.html
+++ b/site/index.html
@@ -383,11 +383,23 @@ <h2>Help build the fly-brain runtime.</h2>
     <div><h3>Ideas from</h3><p><a href="https://doi.org/10.1038/s41586-024-07558-y">FlyWire connectome</a>, <a href="https://arxiv.org/abs/2404.02258">Mixture-of-Depths</a>, <a href="https://github.com/facebookresearch/LayerSkip">LayerSkip</a>, <a href="https://arxiv.org/abs/2312.17238">MoE offloading</a>, <a href="https://arxiv.org/abs/2402.17764">BitNet b1.58</a>, <a href="https://arxiv.org/abs/2402.04291">BiLLM</a>, <a href="https://arxiv.org/abs/2306.03078">SpQR</a>, <a href="https://arxiv.org/abs/2502.13179">PTQ1.61</a>, <a href="https://arxiv.org/abs/2410.11305">QSpec</a>.</p></div>
   </div>
 </section>
+<section class="section" id="built-by">
+  <div class="wrap">
+    <div class="mc-band reveal">
+      <h2>Built by Managed Code</h2>
+      <p>Synapse is built by Managed Code - we build custom AI agents and AI automation on .NET that run in production, with tests, guardrails, and a human in the loop.</p>
+      <div class="cta">
+        <a class="btn btn-grad" href="https://managed-code.com/services/ai-agents" rel="noopener">.NET AI agent development team</a>
+        <a class="btn btn-glass" href="https://managed-code.com/blog-post/building-ai-agents-with-csharp-dotnet" rel="noopener">building AI agents with .NET</a>
+      </div>
+    </div>
+  </div>
+</section>
 <footer class="foot">
   <div class="wrap">
     <p class="foot-mark" aria-hidden="true">Synapse</p>
     <div class="foot-row">
-      <span>© 2026 <a href="https://www.managed-code.com">Managed Code</a> · <a href="https://github.com/managedcode/Synapse/blob/main/LICENSE">MIT License</a></span>
+      <span>© 2026 <a href="https://managed-code.com" rel="noopener">Managed Code</a> · <a href="https://github.com/managedcode/Synapse/blob/main/LICENSE">MIT License</a></span>
       <span class="foot-links"><a href="https://github.com/managedcode/Synapse">GitHub</a><a href="https://github.com/managedcode/Synapse/blob/main/docs/Architecture.md">Architecture</a><a href="https://github.com/managedcode/Synapse/blob/main/docs/Features/Benchmarking.md">Benchmarks</a></span>
     </div>
   </div>
diff --git a/site/styles.css b/site/styles.css
index 891a5b3..c9ec128 100644
--- a/site/styles.css
+++ b/site/styles.css
@@ -272,6 +272,13 @@ code, pre { font-family: var(--mono); }
 .credits p { font-size: 15px; line-height: 1.7; color: var(--ink-2); }
 .credits a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
 .credits a:hover { border-color: var(--ink); }
+.mc-band { position: relative; display: grid; justify-items: start; gap: 18px; padding: clamp(32px, 6vw, 80px); border-radius: 32px; overflow: hidden; isolation: isolate;
+  background: radial-gradient(60% 70% at 90% 20%, rgba(237, 115, 46, .14), transparent 70%), radial-gradient(50% 60% at 10% 90%, rgba(219, 50, 118, .12), transparent 70%), var(--night);
+  color: var(--snow); border: 1px solid var(--night-line); }
+.mc-band h2 { max-width: 14em; font-size: clamp(36px, 5.5vw, 76px); font-weight: 650; line-height: .96; letter-spacing: -.045em; color: var(--snow); }
+.mc-band p { max-width: 38em; font-size: 19px; line-height: 1.6; color: var(--snow-2); }
+.mc-band .cta { margin-top: 10px; }
+.mc-band .btn-grad { box-shadow: 0 10px 40px -10px rgba(219, 50, 118, .5); }
 .foot { margin-top: clamp(64px, 9vw, 120px); padding-bottom: 32px; overflow: hidden; }
 .foot-mark { margin-bottom: 10px; font-size: min(18.5vw, 252px); font-weight: 700; line-height: .9; letter-spacing: -.055em; text-transform: uppercase; text-align: center; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
 .foot-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; font-size: 14px; color: var(--ink-2); }
@@ -306,6 +313,7 @@ code, pre { font-family: var(--mono); }
   .bars li { grid-template-columns: 84px 1fr auto; gap: 8px; }
   .term pre { padding: 16px; font-size: 12.5px; }
   .sheet { border-radius: 28px 28px 0 0; }
+  .mc-band .btn { width: 100%; justify-content: center; text-align: center; }
 }
 @media (prefers-reduced-motion: reduce) {
   html { scroll-behavior: auto; }