diff --git a/assets/keysat-social.png b/assets/keysat-social.png
new file mode 100644
index 0000000..dc3b26d
Binary files /dev/null and b/assets/keysat-social.png differ
diff --git a/assets/keysat-social.svg b/assets/keysat-social.svg
new file mode 100644
index 0000000..1082942
--- /dev/null
+++ b/assets/keysat-social.svg
@@ -0,0 +1,39 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 1200" fill="none">
+  <!-- Cream brand background. Same #FBF9F2 used everywhere on the
+       landing page; keeps the social card visually consistent with
+       the site a visitor lands on after clicking. -->
+  <rect width="1200" height="1200" fill="#FBF9F2"/>
+
+  <!-- Scroll-style brand mark, centered horizontally, sitting in the
+       upper third so the wordmark below reads as the focal pairing.
+       The mark is the same construction as keysat-mark.svg, just
+       translated + scaled so its 100x100 source viewBox occupies a
+       420x420 area starting at x=390, y=260. -->
+  <g transform="translate(390,260) scale(4.2)">
+    <ellipse cx="50" cy="22" rx="28" ry="5" fill="#1E3A5F"/>
+    <rect x="22" y="22" width="56" height="56" fill="#FBF9F2" stroke="#1E3A5F" stroke-width="3"/>
+    <ellipse cx="50" cy="78" rx="28" ry="5" fill="#1E3A5F"/>
+    <line x1="32" y1="36" x2="68" y2="36" stroke="#1E3A5F" stroke-width="1.5" stroke-linecap="round"/>
+    <line x1="32" y1="44" x2="62" y2="44" stroke="#1E3A5F" stroke-width="1.5" stroke-linecap="round"/>
+    <circle cx="42" cy="60" r="6" fill="none" stroke="#BFA068" stroke-width="2.5"/>
+    <rect x="48" y="58.5" width="14" height="3" fill="#BFA068"/>
+    <rect x="58" y="61.5" width="2" height="4" fill="#BFA068"/>
+    <rect x="62" y="61.5" width="2" height="3" fill="#BFA068"/>
+  </g>
+
+  <!-- "KEYSAT" wordmark in Manrope (with sans-serif fallbacks for
+       renderers that lack the typeface). Letter-spacing tuned to
+       match the lockup's wide tracking; size sized so the wordmark
+       is the second focal element, balanced against the mark above. -->
+  <text x="600" y="900" text-anchor="middle"
+        font-family="Manrope, Inter, system-ui, sans-serif"
+        font-weight="500" font-size="140" letter-spacing="34"
+        fill="#1E3A5F">KEYSAT</text>
+
+  <!-- Tagline beneath the wordmark, a touch of gold to echo the
+       brand accent without competing with the wordmark itself. -->
+  <text x="600" y="970" text-anchor="middle"
+        font-family="Manrope, Inter, system-ui, sans-serif"
+        font-weight="500" font-size="28" letter-spacing="6"
+        fill="#BFA068">SELF-HOSTED LICENSING SERVER</text>
+</svg>
diff --git a/index.html b/index.html
index a47855a..a3f2eb8 100644
--- a/index.html
+++ b/index.html
@@ -15,14 +15,14 @@
 <meta property="og:title" content="Keysat: Bitcoin-native self-hosted licensing service for software creators">
 <meta property="og:description" content="Keysat is a self-hosted licensing server. Buyers pay you for the software you create, and their license can be verified offline. Your licensing key, customer list, and payment rails all live on your hardware. No SaaS, no middleman, no platform risk.">
 <meta property="og:url" content="https://keysat.xyz/">
-<meta property="og:image" content="https://keysat.xyz/assets/keysat-thumbnail.png">
-<meta property="og:image:width" content="1024">
-<meta property="og:image:height" content="1024">
-<meta property="og:image:alt" content="Keysat">
+<meta property="og:image" content="https://keysat.xyz/assets/keysat-social.png">
+<meta property="og:image:width" content="1200">
+<meta property="og:image:height" content="1200">
+<meta property="og:image:alt" content="Keysat — self-hosted licensing server">
 <meta name="twitter:card" content="summary_large_image">
 <meta name="twitter:title" content="Keysat: Bitcoin-native self-hosted licensing service for software creators">
 <meta name="twitter:description" content="Self-hosted licensing for software creators. Buyers pay you for the software you create; licenses verify offline. You own the signing key, the customer list, and the payment rails.">
-<meta name="twitter:image" content="https://keysat.xyz/assets/keysat-thumbnail.png">
+<meta name="twitter:image" content="https://keysat.xyz/assets/keysat-social.png">
 <link rel="icon" type="image/svg+xml" href="assets/favicon.svg">
 
 <link rel="preconnect" href="https://fonts.googleapis.com">
diff --git a/support.html b/support.html
index 63594f2..141b499 100644
--- a/support.html
+++ b/support.html
@@ -12,14 +12,14 @@
 <meta property="og:title" content="Support Keysat development">
 <meta property="og:description" content="Fund Keysat development directly: Lightning, on-chain Bitcoin, a Patron license, or via OpenSats. Pick whichever fits.">
 <meta property="og:url" content="https://keysat.xyz/support.html">
-<meta property="og:image" content="https://keysat.xyz/assets/keysat-thumbnail.png">
-<meta property="og:image:width" content="1024">
-<meta property="og:image:height" content="1024">
-<meta property="og:image:alt" content="Keysat">
+<meta property="og:image" content="https://keysat.xyz/assets/keysat-social.png">
+<meta property="og:image:width" content="1200">
+<meta property="og:image:height" content="1200">
+<meta property="og:image:alt" content="Keysat — self-hosted licensing server">
 <meta name="twitter:card" content="summary_large_image">
 <meta name="twitter:title" content="Support Keysat development">
 <meta name="twitter:description" content="Fund Keysat development directly: Lightning, on-chain Bitcoin, a Patron license, or via OpenSats.">
-<meta name="twitter:image" content="https://keysat.xyz/assets/keysat-thumbnail.png">
+<meta name="twitter:image" content="https://keysat.xyz/assets/keysat-social.png">
 <link rel="icon" type="image/svg+xml" href="assets/favicon.svg">
 <link href="https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;900&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
 <style>