diff --git a/branding/index.html b/branding/index.html
index 953d453..9574376 100644
--- a/branding/index.html
+++ b/branding/index.html
@@ -101,8 +101,8 @@
   </div>
 
   <div class="dl-row">
-    <a href="../assets/mark.svg" download>⬇️ mark.svg (standard, 3 trails)</a>
-    <a href="../assets/mark-stroke.svg" download>⬇️ mark-stroke.svg (16–20 px variant)</a>
+    <a href="../assets/mark.webp" download>⬇️ mark.webp (main — the signin / top-bar icon)</a>
+    <a href="../assets/mark-wings-both.webp" download>⬇️ mark-wings-both.webp (variant — full upper + lower wings)</a>
   </div>
 
   <table class="tbl">
diff --git a/index.html b/index.html
index 4ba73c8..49fe4dd 100644
--- a/index.html
+++ b/index.html
@@ -12,7 +12,7 @@
 <meta property="og:title" content="hermes.x — message anyone by their on-chain name">
 <meta property="og:description" content="End-to-end encrypted DMs over Nostr, addressed by your on-chain registered name. No email, no phone, no server that can delete your account.">
 <meta property="og:url" content="https://hermes.x/">
-<meta property="og:image" content="https://hermes.x/assets/mark.svg">
+<meta property="og:image" content="https://hermes.x/assets/mark.webp">
 <meta name="twitter:card" content="summary">
 <meta name="twitter:title" content="hermes.x — message anyone by their on-chain name">
 <meta name="twitter:description" content="Sealed-sender DMs over Nostr, addressed by on-chain registered name.">