diff --git a/src/account.el b/src/account.el
index 50f0240..e1268d1 100644
--- a/src/account.el
+++ b/src/account.el
@@ -513,7 +513,9 @@ fn account_css() -> String {
     .api-key-help-body a { color: var(--navy-65); text-decoration: underline; text-underline-offset: 2px; }
     .api-key-help-body a:hover { color: var(--navy); }
     .api-key-note { font-size: .75rem; font-weight: 300; color: var(--t3); margin-top: .625rem; line-height: 1.55; padding: .5rem .75rem; background: var(--bg2); border-left: 2px solid var(--navy-b); }
-    .api-key-note a { color: var(--navy-65); text-decoration: underline; text-underline-offset: 2px; }"
+    .api-key-note a { color: var(--navy-65); text-decoration: underline; text-underline-offset: 2px; }
+    .api-key-model-note { font-size: .8125rem; font-weight: 300; color: var(--t2); line-height: 1.65; padding: .75rem 1rem; background: var(--navy-d); border-left: 2px solid var(--navy); margin-bottom: 1.5rem; }
+    .api-key-model-note strong { font-weight: 600; color: var(--t1); }"
     "<style>" + css + "</style>"
 }
 
@@ -914,6 +916,10 @@ fn account_api_keys_section() -> String {
                     "Add your own AI provider keys. Neuron uses them directly &#8212; your keys, your models, your data."
                 )
             ) +
+            el_div(
+                "class=\"api-key-model-note\"",
+                "<strong>For best performance, use a reasoning model.</strong> o4-mini or o3 (OpenAI) &#183; Claude Sonnet 4 (Anthropic) &#183; Gemini 2.5 Pro (Google) &#183; Grok-3 (xAI). You choose the model in the app &#8212; any model works, reasoning models are where Neuron shines. <a href=\"#\" style=\"color:var(--navy-65);text-decoration:underline;text-underline-offset:2px\">Neuron Inference</a> &#8212; our own model layer, priced below the major APIs &#8212; launches Q3 2026 and becomes the default."
+            ) +
             providers +
             el_p("id=\"api-keys-msg\" style=\"display:none;font-size:.8rem;margin-top:.75rem\"", "")
         )
diff --git a/src/enterprise.el b/src/enterprise.el
index e902e90..4f143a1 100644
--- a/src/enterprise.el
+++ b/src/enterprise.el
@@ -189,6 +189,22 @@ fn enterprise() -> String {
         )
     )
 
+    let contact_block: String = el_div(
+        "class=\"ent-contact-block reveal\"",
+        el_div(
+            "class=\"ent-contact-card\"",
+            el_p("class=\"ent-contact-role\"", "Sales") +
+            el_a("mailto:enterprise@neurontechnologies.ai", "class=\"ent-contact-email\"", "enterprise@neurontechnologies.ai") +
+            el_p("class=\"ent-contact-desc\"", "Pricing, deployment options, and enterprise agreements.")
+        ) +
+        el_div(
+            "class=\"ent-contact-card\"",
+            el_p("class=\"ent-contact-role\"", "Security") +
+            el_a("mailto:security@neurontechnologies.ai", "class=\"ent-contact-email\"", "security@neurontechnologies.ai") +
+            el_p("class=\"ent-contact-desc\"", "Vulnerability disclosure, compliance review, and security documentation.")
+        )
+    )
+
     let enterprise_box: String = el_div(
         "class=\"enterprise-box reveal\"",
         el_p("class=\"ent-who-label\"", "Who I work with") +
@@ -203,7 +219,53 @@ fn enterprise() -> String {
         enterprise_inquiry_form()
     )
 
-    let style_css: String = ".ent-inquiry-form {
+    let style_css: String = ".ent-contact-block {
+    display: grid;
+    grid-template-columns: 1fr 1fr;
+    gap: 1rem;
+    margin-bottom: 2.5rem;
+  }
+  .ent-contact-card {
+    padding: 1.5rem;
+    border: 1px solid rgba(0,82,160,.18);
+    background: rgba(0,82,160,.03);
+    display: flex;
+    flex-direction: column;
+    gap: .4rem;
+  }
+  .ent-contact-role {
+    font-family: var(--body);
+    font-size: .65rem;
+    font-weight: 600;
+    letter-spacing: .16em;
+    text-transform: uppercase;
+    color: var(--navy);
+    margin-bottom: .1rem;
+  }
+  .ent-contact-email {
+    font-family: var(--body);
+    font-size: .9375rem;
+    font-weight: 500;
+    color: var(--t1);
+    text-decoration: none;
+    border-bottom: 1px solid rgba(0,82,160,.25);
+    padding-bottom: .1rem;
+    transition: border-color 200ms, color 200ms;
+    width: fit-content;
+  }
+  .ent-contact-email:hover { color: var(--navy); border-color: var(--navy); }
+  .ent-contact-desc {
+    font-family: var(--body);
+    font-size: .8125rem;
+    font-weight: 300;
+    color: var(--t3);
+    line-height: 1.55;
+    margin-top: .25rem;
+  }
+  @media (max-width: 600px) {
+    .ent-contact-block { grid-template-columns: 1fr; }
+  }
+  .ent-inquiry-form {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 1rem;
@@ -216,7 +278,7 @@ fn enterprise() -> String {
 
     el_section(
         "id=\"enterprise\" aria-label=\"Enterprise\"",
-        el_div("class=\"container\"", header + enterprise_cap_cards() + enterprise_box) +
+        el_div("class=\"container\"", header + enterprise_cap_cards() + contact_block + enterprise_box) +
         "<style>" + style_css + "</style>" +
         el_script_src("/js/enterprise.js", true)
     )