diff --git a/docs-site/assets/bitscope-mark.svg b/docs-site/assets/bitscope-mark.svg
new file mode 100644
index 0000000..8461919
--- /dev/null
+++ b/docs-site/assets/bitscope-mark.svg
@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" role="img" aria-label="BitScope radar mark">
+  <rect width="64" height="64" rx="14" fill="#0e1211"/>
+  <svg x="8" y="8" width="48" height="48" viewBox="0 -960 960 960" fill="#43a787" aria-hidden="true">
+    <path d="M324-111.5Q251-143 197-197t-85.5-127Q80-397 80-480t31.5-156Q143-709 197-763t127-85.5Q397-880 480-880t156 31.5Q709-817 763-763t85.5 127Q880-563 880-480t-31.5 156Q817-251 763-197t-127 85.5Q563-80 480-80t-156-31.5ZM480-140q63 0 118.5-20.5T699-219l-72-71q-31 23-68 36.5T480-240q-100 0-170-70t-70-170q0-100 70-170t170-70q100 0 170 70t70 170q0 42-13.5 79T670-333l71 71q37-45 58-100t21-118q0-142-99-241t-241-99q-142 0-241 99t-99 241q0 142 99 241t241 99Zm0-160q29 0 55.5-8.5T584-333l-74-73q-7 3-14.5 4.5T480-400q-33 0-56.5-23.5T400-480q0-33 23.5-56.5T480-560q33 0 56.5 23.5T560-480q0 8-2 16t-5 16l74 72q16-22 24.5-48.5T660-480q0-75-52.5-127.5T480-660q-75 0-127.5 52.5T300-480q0 75 52.5 127.5T480-300Z"/>
+    <circle cx="310" cy="-620" r="30" fill="#f7931a"/>
+    <circle cx="680" cy="-320" r="38" fill="#f7931a"/>
+  </svg>
+</svg>
diff --git a/docs-site/index.html b/docs-site/index.html
index c233582..6706c5c 100644
--- a/docs-site/index.html
+++ b/docs-site/index.html
@@ -8,12 +8,16 @@
       name="description"
       content="BitScope is a local-first Bitcoin Core learning laboratory with a guided regtest demo, command explanations, and Bitcoin Core RPC workflows."
     />
+    <link rel="icon" href="assets/bitscope-mark.svg" type="image/svg+xml" />
     <link rel="stylesheet" href="styles.css" />
   </head>
   <body>
     <header class="hero">
       <nav class="nav" aria-label="Primary">
-        <a class="brand" href="./">BitScope</a>
+        <a class="brand" href="./" aria-label="BitScope home">
+          <img src="assets/bitscope-mark.svg" alt="" width="40" height="40" />
+          <span>BitScope</span>
+        </a>
         <div class="nav-links">
           <a href="#screenshots">Screenshots</a>
           <a href="#architecture">Architecture</a>
diff --git a/docs-site/styles.css b/docs-site/styles.css
index 61c325a..9c823d3 100644
--- a/docs-site/styles.css
+++ b/docs-site/styles.css
@@ -52,11 +52,21 @@ img {
 }
 
 .brand {
+  display: inline-flex;
+  align-items: center;
+  gap: 10px;
   font-size: 1.3rem;
   font-weight: 800;
   text-decoration: none;
 }
 
+.brand img {
+  display: block;
+  width: 40px;
+  height: 40px;
+  flex: 0 0 auto;
+}
+
 .nav-links {
   display: flex;
   flex-wrap: wrap;
