diff --git a/README.de.md b/README.de.md
index 1aa8766b..f4fc2a45 100644
--- a/README.de.md
+++ b/README.de.md
@@ -1,3 +1,5 @@
+<img src="docs/assets/ogar-logo.svg" alt="OGAR" height="64"/>
+
 # OGAR — Open Graph of Active Record
 
 > [English](README.md) · **Deutsch** · [Philosophie](docs/PHILOSOPHIE.md)
diff --git a/README.md b/README.md
index 7d076e6a..c9f12c09 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+<img src="docs/assets/ogar-logo.svg" alt="OGAR" height="64"/>
+
 # OGAR — Open Graph of Active Record
 
 > **English** · [Deutsch](README.de.md) · [Philosophy](docs/PHILOSOPHY.md)
diff --git a/docs/assets/ogar-favicon.svg b/docs/assets/ogar-favicon.svg
new file mode 100644
index 00000000..1287deba
--- /dev/null
+++ b/docs/assets/ogar-favicon.svg
@@ -0,0 +1,14 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64" fill="currentColor" role="img" aria-label="OGAR">
+  <title>OGAR</title>
+
+  <!-- Bisected node: the O glyph alone, sized for favicon use (16-64px).
+       Outer radius 28, inner radius 16, centered at (32, 32).
+       Bisector sits 1u above geometric center; lower half is slightly
+       heavier to read at small sizes. -->
+
+  <path d="M 32,4 a 28,28 0 1,0 0.001,0 z
+           M 32,16 a 16,16 0 1,1 -0.001,0 z"
+        fill-rule="evenodd"/>
+
+  <rect x="15" y="30" width="34" height="3"/>
+</svg>
diff --git a/docs/assets/ogar-logo.svg b/docs/assets/ogar-logo.svg
new file mode 100644
index 00000000..7e0e9779
--- /dev/null
+++ b/docs/assets/ogar-logo.svg
@@ -0,0 +1,30 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 320 150" fill="currentColor" role="img" aria-label="OGAR — Open Graph of Active Record">
+  <title>OGAR — Open Graph of Active Record</title>
+
+  <!-- O glyph: bisected node with outgoing edge to a leaf.
+       Outer radius 45, inner radius 27, centered at (60, 60).
+       The bisector sits 2u above geometric center so the lower half
+       (the canonical concept) reads slightly heavier than the upper
+       half (the per-app render lens). -->
+
+  <!-- Outer ring (annulus via even-odd fill) -->
+  <path d="M 60,15 a 45,45 0 1,0 0.001,0 z
+           M 60,33 a 27,27 0 1,1 -0.001,0 z"
+        fill-rule="evenodd"/>
+
+  <!-- Bisector: horizontal bar across the inner hole -->
+  <rect x="34" y="56" width="52" height="4"/>
+
+  <!-- Outgoing edge -->
+  <rect x="58" y="105" width="4" height="22"/>
+
+  <!-- Leaf dot -->
+  <circle cx="60" cy="133" r="6"/>
+
+  <!-- "GAR" wordmark, geometric sans with system-stack fallback -->
+  <text x="120" y="92"
+        font-family="Inter, 'IBM Plex Sans', 'Helvetica Neue', Arial, system-ui, -apple-system, sans-serif"
+        font-weight="700"
+        font-size="92"
+        letter-spacing="-3">GAR</text>
+</svg>