diff --git a/CHANGELOG.md b/CHANGELOG.md
index 427c9d2..14db7df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,7 @@
 - Website: Add dedicated contact section with email and GitHub links.
 - Docs: Consolidate feature list in README (single "Features" section).
 - Website: Mirror unified feature list on the marketing page.
+- Brand: Refresh GopherPost logo and favicon with updated gopher-and-envelope concept.
 
 ## v0.4.0
 - Added subscription-based audit fan-out so `/healthz` can stream live debug logs when `SMTP_DEBUG=true`.
diff --git a/docs/assets/favicon.svg b/docs/assets/favicon.svg
index b1fe1e3..042f38c 100644
--- a/docs/assets/favicon.svg
+++ b/docs/assets/favicon.svg
@@ -1,11 +1,24 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
   <defs>
-    <linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%">
+    <linearGradient id="fg" x1="0%" y1="0%" x2="100%" y2="100%">
       <stop offset="0%" stop-color="#2d7ff9"/>
       <stop offset="100%" stop-color="#1555c0"/>
     </linearGradient>
   </defs>
-  <rect width="64" height="64" rx="14" fill="url(#g)"/>
-  <path d="M16 20h32a4 4 0 0 1 4 4v22a4 4 0 0 1-4 4H16a4 4 0 0 1-4-4V24a4 4 0 0 1 4-4z" fill="#fff" opacity="0.95"/>
-  <path d="M16 22l16 12L48 22" fill="none" stroke="#2d7ff9" stroke-width="5" stroke-linecap="round" stroke-linejoin="round" opacity="0.6"/>
+  <rect width="64" height="64" rx="14" fill="url(#fg)"/>
+  <g stroke="#0f2f6f" stroke-width="2" stroke-linejoin="round" stroke-linecap="round">
+    <circle cx="20" cy="20" r="8" fill="#fbe1c6"/>
+    <circle cx="44" cy="20" r="8" fill="#fbe1c6"/>
+    <path d="M14 26c0-11 9-20 18-20h0c9 0 18 9 18 20v10c0 11-9 20-18 20s-18-9-18-20z" fill="#fbe1c6"/>
+    <ellipse cx="32" cy="36" rx="12" ry="10" fill="#fff4e4"/>
+    <g fill="#0f2f6f" stroke-width="0">
+      <circle cx="26" cy="30" r="3"/>
+      <circle cx="38" cy="30" r="3"/>
+      <circle cx="32" cy="37" r="3.2"/>
+    </g>
+  </g>
+  <g stroke="#1fa841" stroke-width="2" stroke-linejoin="round" stroke-linecap="round">
+    <path d="M14 40h36a6 6 0 0 1 6 6v8a6 6 0 0 1-6 6H14a6 6 0 0 1-6-6v-8a6 6 0 0 1 6-6z" fill="#ffffff" fill-opacity="0.96"/>
+    <path d="M10 42l22 16 22-16" fill="none"/>
+  </g>
 </svg>
diff --git a/docs/assets/logo.svg b/docs/assets/logo.svg
index 92f27e1..191c9b7 100644
--- a/docs/assets/logo.svg
+++ b/docs/assets/logo.svg
@@ -1,14 +1,37 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128" role="img" aria-labelledby="title desc">
   <title id="title">GopherPost Logo</title>
-  <desc id="desc">Simplified envelope with gopher ears on a circular gradient</desc>
+  <desc id="desc">Gopher character holding an envelope on a blue gradient badge</desc>
   <defs>
-    <linearGradient id="bg" x1="0%" y1="0%" x2="100%" y2="100%">
+    <linearGradient id="gp-bg" x1="0%" y1="0%" x2="100%" y2="100%">
       <stop offset="0%" stop-color="#2d7ff9"/>
       <stop offset="100%" stop-color="#1555c0"/>
     </linearGradient>
+    <linearGradient id="gp-env" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#ffffff" stop-opacity="0.95"/>
+      <stop offset="100%" stop-color="#eef3ff"/>
+    </linearGradient>
   </defs>
-  <circle cx="64" cy="64" r="60" fill="url(#bg)"/>
-  <path d="M36 36c3.8-7 10.3-12 18-12s14.2 5 18 12c1.7-6 6.2-10 11.5-10 6.6 0 12 6.3 12 14.1 0 1.4-.2 2.7-.5 3.9L64 96 24 44c-.3-1.2-.5-2.5-.5-3.9C23.5 40.3 29 34 35.5 34 40.8 34 45.3 38 47 44c3.8-7 10.3-12 18-12-7.7 0-14.2 5-18 12z" fill="#fff" fill-opacity="0.85"/>
-  <path d="M40 52l24 18 24-18v30a10 10 0 0 1-10 10H50a10 10 0 0 1-10-10V52z" fill="#fff"/>
-  <path d="M38 48l26 20 26-20" fill="none" stroke="#2d7ff9" stroke-width="6" stroke-linecap="round" stroke-linejoin="round" opacity="0.35"/>
+  <circle cx="64" cy="64" r="60" fill="url(#gp-bg)"/>
+  <g stroke="#0f2f6f" stroke-width="2.4" stroke-linejoin="round" stroke-linecap="round">
+    <g fill="#fbe1c6">
+      <circle cx="44" cy="39" r="11"/>
+      <circle cx="84" cy="39" r="11"/>
+      <path d="M38 50c0-15 12-26 26-26s26 11 26 26v14c0 15-12 26-26 26S38 79 38 64z"/>
+    </g>
+    <ellipse cx="64" cy="70" rx="19" ry="15" fill="#fff4e4"/>
+    <g fill="#0f2f6f" stroke-width="0">
+      <circle cx="54" cy="60" r="4"/>
+      <circle cx="74" cy="60" r="4"/>
+      <circle cx="64" cy="72" r="4.5"/>
+    </g>
+    <g fill="#ffffff" stroke-width="0">
+      <circle cx="53" cy="59" r="1.4"/>
+      <circle cx="73" cy="59" r="1.4"/>
+    </g>
+    <path d="M56 83h16" stroke="#0f2f6f" stroke-width="2" stroke-linecap="round"/>
+  </g>
+  <g stroke="#1fa841" stroke-width="2.4" stroke-linejoin="round" stroke-linecap="round">
+    <path d="M40 78h48a8 8 0 0 1 8 8v14a8 8 0 0 1-8 8H40a8 8 0 0 1-8-8V86a8 8 0 0 1 8-8z" fill="url(#gp-env)"/>
+    <path d="M33 82l32 22 30-22" fill="none"/>
+  </g>
 </svg>