diff --git a/README.md b/README.md
index a766fbc..b2af629 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,15 @@
 <p align="center">
-  <img src="assets/islandflow-logo.png" alt="Islandflow logo" width="520" />
+  <img src="assets/islandflow-logo.svg" alt="Islandflow logo" width="720" />
+</p>
+
+<p align="center">
+  <img src="https://img.shields.io/badge/status-pre--alpha-b91c1c?style=for-the-badge" alt="Status: pre-alpha" />
 </p>
 
 # Real-Time Options Flow & Off-Exchange Analysis
 
-<div align="center" style="padding: 12px; border-radius: 8px; border: 2px solid #b91c1c; background: #fee2e2; color: #7f1d1d; font-weight: 700; margin: 12px 0;">
-  PRE-ALPHA: This project is in an early pre-alpha state. It will not perform consistently or as expected, and APIs, behavior, and data contracts may change without notice.
-</div>
+> **Pre-alpha warning**
+> This project is in an early pre-alpha state. It will not perform consistently or as expected, and APIs, behavior, and data contracts may change without notice.
 
 This repository contains a Bun + TypeScript monorepo for a personal-use, event-sourced market microstructure research platform focused on:
 
diff --git a/assets/islandflow-logo.svg b/assets/islandflow-logo.svg
new file mode 100644
index 0000000..37e2489
--- /dev/null
+++ b/assets/islandflow-logo.svg
@@ -0,0 +1,64 @@
+<svg width="1600" height="520" viewBox="0 0 1600 520" fill="none" xmlns="http://www.w3.org/2000/svg" role="img" aria-labelledby="title desc">
+  <title id="title">Islandflow logo</title>
+  <desc id="desc">Islandflow wordmark with a small palm tree and waterline.</desc>
+  <defs>
+    <filter id="glowGreen" x="-20%" y="-20%" width="140%" height="140%">
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+      <feMerge>
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+        <feMergeNode in="SourceGraphic"/>
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+    </filter>
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+    </filter>
+    <filter id="glowBlue" x="-20%" y="-20%" width="140%" height="140%">
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+      <feColorMatrix in="blur" type="matrix" values="0 0 0 0 0.48 0 0 0 0 0.72 0 0 0 0 1 0 0 0 1 0" result="glow"/>
+      <feMerge>
+        <feMergeNode in="glow"/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
+    <style>
+      .bg { fill: #05070b; }
+      .word { font: 700 118px "Menlo", "Consolas", "Liberation Mono", monospace; letter-spacing: 1px; fill: #d2ffc1; }
+      .outline { fill: none; stroke: #d2ffc1; stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; }
+      .trunk { fill: none; stroke: #f2d39a; stroke-width: 12; stroke-linecap: round; stroke-linejoin: round; }
+      .water { fill: none; stroke: #7cb7ff; stroke-width: 10; stroke-linecap: round; }
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+  </defs>
+
+  <rect class="bg" x="8" y="8" width="1584" height="504" rx="24"/>
+
+  <g filter="url(#glowGreen)">
+    <text class="word" x="130" y="330">islandflow</text>
+  </g>
+
+  <g transform="translate(1210 116)">
+    <g filter="url(#glowGreen)">
+      <path class="outline" d="M79 132C65 100 39 88 8 94"/>
+      <path class="outline" d="M83 129C99 98 130 86 159 96"/>
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+      <path class="outline" d="M82 128C93 101 88 78 74 55"/>
+      <path class="outline" d="M85 124C70 105 49 101 26 106"/>
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+</svg>