diff --git a/favicon.svg b/favicon.svg
new file mode 100644
index 0000000..3f4b7f3
--- /dev/null
+++ b/favicon.svg
@@ -0,0 +1,6 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="41 34 18 18">
+  <g fill="#0078d4" stroke="none">
+    <path d="m 52.218,50.524 c 0,0.313 0.25,0.567 0.559,0.567 0.311,0 0.559,-0.254 0.559,-0.567 v -1.883 h 1.318 c 0.836,0 1.516,-0.693 1.516,-1.546 v -1.338 h 1.85 c 0.31,0 0.56,-0.256 0.56,-0.567 0,-0.314 -0.25,-0.57 -0.56,-0.57 h -1.85 v -1.281 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.566 0,-0.312 -0.25,-0.567 -0.56,-0.567 h -1.85 v -1.282 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.568 0,-0.312 -0.25,-0.565 -0.56,-0.565 h -1.85 v -1.272 c 0,-0.853 -0.68,-1.543 -1.516,-1.543 H 53.336 V 35.09 c 0,-0.313 -0.249,-0.567 -0.559,-0.567 -0.309,0 -0.559,0.254 -0.559,0.567 v 1.884 H 50.959 V 35.09 c 0,-0.313 -0.25,-0.567 -0.559,-0.567 -0.309,0 -0.557,0.254 -0.557,0.567 v 1.884 H 48.584 V 35.09 c 0,-0.313 -0.251,-0.567 -0.559,-0.567 -0.31,0 -0.56,0.254 -0.56,0.567 v 1.884 H 46.15 c -0.838,0 -1.518,0.692 -1.518,1.545 v 1.58 h -1.85 c -0.309,0 -0.559,0.256 -0.559,0.569 0,0.312 0.25,0.567 0.559,0.567 h 1.85 v 1.279 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.568 0,0.314 0.25,0.568 0.559,0.568 h 1.85 v 1.281 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.567 0,0.312 0.25,0.565 0.559,0.565 h 1.85 v 1.029 c 0,0.852 0.68,1.545 1.518,1.545 h 1.316 v 1.883 c 0,0.312 0.25,0.568 0.56,0.568 0.308,0 0.559,-0.256 0.559,-0.568 v -1.88 h 1.259 v 1.883 c 0,0.314 0.248,0.568 0.557,0.568 0.309,0 0.559,-0.254 0.559,-0.568 V 48.64 h 1.259 v 1.884 z m -6.067,-3.019 c -0.222,0 -0.401,-0.184 -0.401,-0.408 v -8.582 c 0,-0.225 0.18,-0.408 0.401,-0.408 h 8.501 c 0.221,0 0.399,0.185 0.399,0.408 v 8.582 c 0,0.225 -0.18,0.408 -0.399,0.408 z"/>
+    <path d="m 53.591,39.054 h -6.378 c -0.31,0 -0.559,0.254 -0.559,0.566 v 6.494 c 0,0.312 0.249,0.568 0.559,0.568 h 6.378 c 0.31,0 0.558,-0.257 0.558,-0.568 V 39.62 c -0.002,-0.312 -0.25,-0.566 -0.558,-0.566 z m -0.559,6.492 H 47.77 v -5.357 h 5.263 v 5.357 z"/>
+  </g>
+</svg>
diff --git a/index.html b/index.html
index 8ae2ac5..ccbdfe1 100644
--- a/index.html
+++ b/index.html
@@ -13,6 +13,7 @@
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
   <link rel="stylesheet" href="style.css">
+  <link rel="icon" type="image/svg+xml" href="favicon.svg">
 </head>
 <body>
 
@@ -20,7 +21,9 @@
   <nav class="nav">
     <div class="nav-inner">
       <a href="#" class="nav-logo">
-        <span class="logo-icon">◈</span>
+        <span class="logo-icon" aria-hidden="true">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="41 34 18 18" width="22" height="22"><g fill="currentColor" stroke="none"><path d="m 52.218,50.524 c 0,0.313 0.25,0.567 0.559,0.567 0.311,0 0.559,-0.254 0.559,-0.567 v -1.883 h 1.318 c 0.836,0 1.516,-0.693 1.516,-1.546 v -1.338 h 1.85 c 0.31,0 0.56,-0.256 0.56,-0.567 0,-0.314 -0.25,-0.57 -0.56,-0.57 h -1.85 v -1.281 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.566 0,-0.312 -0.25,-0.567 -0.56,-0.567 h -1.85 v -1.282 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.568 0,-0.312 -0.25,-0.565 -0.56,-0.565 h -1.85 v -1.272 c 0,-0.853 -0.68,-1.543 -1.516,-1.543 H 53.336 V 35.09 c 0,-0.313 -0.249,-0.567 -0.559,-0.567 -0.309,0 -0.559,0.254 -0.559,0.567 v 1.884 H 50.959 V 35.09 c 0,-0.313 -0.25,-0.567 -0.559,-0.567 -0.309,0 -0.557,0.254 -0.557,0.567 v 1.884 H 48.584 V 35.09 c 0,-0.313 -0.251,-0.567 -0.559,-0.567 -0.31,0 -0.56,0.254 -0.56,0.567 v 1.884 H 46.15 c -0.838,0 -1.518,0.692 -1.518,1.545 v 1.58 h -1.85 c -0.309,0 -0.559,0.256 -0.559,0.569 0,0.312 0.25,0.567 0.559,0.567 h 1.85 v 1.279 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.568 0,0.314 0.25,0.568 0.559,0.568 h 1.85 v 1.281 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.567 0,0.312 0.25,0.565 0.559,0.565 h 1.85 v 1.029 c 0,0.852 0.68,1.545 1.518,1.545 h 1.316 v 1.883 c 0,0.312 0.25,0.568 0.56,0.568 0.308,0 0.559,-0.256 0.559,-0.568 v -1.88 h 1.259 v 1.883 c 0,0.314 0.248,0.568 0.557,0.568 0.309,0 0.559,-0.254 0.559,-0.568 V 48.64 h 1.259 v 1.884 z m -6.067,-3.019 c -0.222,0 -0.401,-0.184 -0.401,-0.408 v -8.582 c 0,-0.225 0.18,-0.408 0.401,-0.408 h 8.501 c 0.221,0 0.399,0.185 0.399,0.408 v 8.582 c 0,0.225 -0.18,0.408 -0.399,0.408 z"/><path d="m 53.591,39.054 h -6.378 c -0.31,0 -0.559,0.254 -0.559,0.566 v 6.494 c 0,0.312 0.249,0.568 0.559,0.568 h 6.378 c 0.31,0 0.558,-0.257 0.558,-0.568 V 39.62 c -0.002,-0.312 -0.25,-0.566 -0.558,-0.566 z m -0.559,6.492 H 47.77 v -5.357 h 5.263 v 5.357 z"/></g></svg>
+        </span>
         <span>mind-map</span>
       </a>
       <button class="nav-toggle" onclick="document.querySelector('.nav-links').classList.toggle('open')" aria-label="Menu">
@@ -285,7 +288,10 @@ <h2 class="section-title">10 MCP tools</h2>
   <footer class="footer">
     <div class="footer-inner">
       <div class="footer-left">
-        <span class="logo-icon">◈</span> mind-map
+        <span class="logo-icon" aria-hidden="true">
+          <svg xmlns="http://www.w3.org/2000/svg" viewBox="41 34 18 18" width="20" height="20"><g fill="currentColor" stroke="none"><path d="m 52.218,50.524 c 0,0.313 0.25,0.567 0.559,0.567 0.311,0 0.559,-0.254 0.559,-0.567 v -1.883 h 1.318 c 0.836,0 1.516,-0.693 1.516,-1.546 v -1.338 h 1.85 c 0.31,0 0.56,-0.256 0.56,-0.567 0,-0.314 -0.25,-0.57 -0.56,-0.57 h -1.85 v -1.281 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.566 0,-0.312 -0.25,-0.567 -0.56,-0.567 h -1.85 v -1.282 h 1.85 c 0.31,0 0.56,-0.254 0.56,-0.568 0,-0.312 -0.25,-0.565 -0.56,-0.565 h -1.85 v -1.272 c 0,-0.853 -0.68,-1.543 -1.516,-1.543 H 53.336 V 35.09 c 0,-0.313 -0.249,-0.567 -0.559,-0.567 -0.309,0 -0.559,0.254 -0.559,0.567 v 1.884 H 50.959 V 35.09 c 0,-0.313 -0.25,-0.567 -0.559,-0.567 -0.309,0 -0.557,0.254 -0.557,0.567 v 1.884 H 48.584 V 35.09 c 0,-0.313 -0.251,-0.567 -0.559,-0.567 -0.31,0 -0.56,0.254 -0.56,0.567 v 1.884 H 46.15 c -0.838,0 -1.518,0.692 -1.518,1.545 v 1.58 h -1.85 c -0.309,0 -0.559,0.256 -0.559,0.569 0,0.312 0.25,0.567 0.559,0.567 h 1.85 v 1.279 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.568 0,0.314 0.25,0.568 0.559,0.568 h 1.85 v 1.281 h -1.85 c -0.309,0 -0.559,0.254 -0.559,0.567 0,0.312 0.25,0.565 0.559,0.565 h 1.85 v 1.029 c 0,0.852 0.68,1.545 1.518,1.545 h 1.316 v 1.883 c 0,0.312 0.25,0.568 0.56,0.568 0.308,0 0.559,-0.256 0.559,-0.568 v -1.88 h 1.259 v 1.883 c 0,0.314 0.248,0.568 0.557,0.568 0.309,0 0.559,-0.254 0.559,-0.568 V 48.64 h 1.259 v 1.884 z m -6.067,-3.019 c -0.222,0 -0.401,-0.184 -0.401,-0.408 v -8.582 c 0,-0.225 0.18,-0.408 0.401,-0.408 h 8.501 c 0.221,0 0.399,0.185 0.399,0.408 v 8.582 c 0,0.225 -0.18,0.408 -0.399,0.408 z"/><path d="m 53.591,39.054 h -6.378 c -0.31,0 -0.559,0.254 -0.559,0.566 v 6.494 c 0,0.312 0.249,0.568 0.559,0.568 h 6.378 c 0.31,0 0.558,-0.257 0.558,-0.568 V 39.62 c -0.002,-0.312 -0.25,-0.566 -0.558,-0.566 z m -0.559,6.492 H 47.77 v -5.357 h 5.263 v 5.357 z"/></g></svg>
+        </span>
+        mind-map
         <span class="footer-sep">·</span>
         MIT License
       </div>
diff --git a/style.css b/style.css
index 3a81087..ad9454c 100644
--- a/style.css
+++ b/style.css
@@ -52,7 +52,12 @@ code { font-family: var(--mono); font-size: 0.875em; }
   display: flex; align-items: center; gap: 0.5rem;
   font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none;
 }
-.logo-icon { font-size: 1.4rem; color: var(--accent); }
+.logo-icon {
+  color: var(--accent);
+  display: inline-flex;
+  align-items: center;
+}
+.logo-icon svg { display: block; }
 .nav-links { display: flex; gap: 1.5rem; align-items: center; }
 .nav-links a { color: var(--text-dim); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
 .nav-links a:hover { color: var(--text); text-decoration: none; }
