diff --git a/apps/marketing/public/harnesses/antigravity.png b/apps/marketing/public/harnesses/antigravity.png
deleted file mode 100644
index df1e22dbbd21d36bd16ebac43ddaba343e860418..0000000000000000000000000000000000000000
Binary files a/apps/marketing/public/harnesses/antigravity.png and /dev/null differ
diff --git a/apps/marketing/public/harnesses/antigravity.svg b/apps/marketing/public/harnesses/antigravity.svg
new file mode 100644
index 0000000000000000000000000000000000000000..13e1ec9e984980ee25dc72230ce38b40d45cb98a
--- /dev/null
+++ b/apps/marketing/public/harnesses/antigravity.svg
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/apps/marketing/public/harnesses/opencode-dark.svg b/apps/marketing/public/harnesses/opencode-dark.svg
index fc467bf84407d155b85dac72fceb294716fdf7d6..8c5e734ece6c7c5ad0e9485cd21ce3ec2eba9e92 100644
--- a/apps/marketing/public/harnesses/opencode-dark.svg
+++ b/apps/marketing/public/harnesses/opencode-dark.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="512" height="512"><svg width="512" height="512" viewBox="0 0 512 512" fill="none" xmlns="http://www.w3.org/2000/svg"><rect width="512" height="512" fill="#131010"></rect><path d="M320 224V352H192V224H320Z" fill="#5A5858"></path><path fill-rule="evenodd" clip-rule="evenodd" d="M384 416H128V96H384V416ZM320 160H192V352H320V160Z" fill="white"></path></svg></svg>
\ No newline at end of file
+<svg width='375' height='375' viewBox='-67.5 -37.5 375 375' fill='none' xmlns='http://www.w3.org/2000/svg'><g clip-path='url(#clip0_1401_86283)'><mask id='mask0_1401_86283' style='mask-type:luminance' maskUnits='userSpaceOnUse' x='0' y='0' width='240' height='300'><path d='M240 0H0V300H240V0Z' fill='white'/></mask><g mask='url(#mask0_1401_86283)'><path d='M180 240H60V120H180V240Z' fill='#4B4646'/><path d='M180 60H60V240H180V60ZM240 300H0V0H240V300Z' fill='#F1ECEC'/></g></g><defs><clipPath id='clip0_1401_86283'><rect width='240' height='300' fill='white'/></clipPath></defs></svg>
\ No newline at end of file
diff --git a/apps/marketing/src/pages/index.astro b/apps/marketing/src/pages/index.astro
index 669bdce8a72d8af2a7ff233ae9efe4725494f189..15a175e0317e050d3cf8d49a726144070e545e38 100644
--- a/apps/marketing/src/pages/index.astro
+++ b/apps/marketing/src/pages/index.astro
@@ -37,7 +37,7 @@ const mobileEndorsementRows = [
     <div class="hero-float" aria-hidden="true">
       {[
         { key: "opencode", icon: "/harnesses/opencode-dark.svg", cls: "hf-opencode" },
-        { key: "antigravity", icon: "/harnesses/antigravity.png", cls: "hf-antigravity" },
+        { key: "antigravity", icon: "/harnesses/antigravity.svg", cls: "hf-antigravity" },
         { key: "claude", icon: "/harnesses/claude-ai-icon.svg", cls: "hf-claude" },
         { key: "codex", icon: "/harnesses/openai_dark.svg", cls: "hf-codex" },
         { key: "grok", icon: "/harnesses/grok-dark.svg", cls: "hf-grok" },
@@ -247,7 +247,7 @@ const mobileEndorsementRows = [
           </div>
         </div>
         <div class="harness">
-          <div class="harness-mark"><img src="/harnesses/antigravity.png" alt="" /></div>
+          <div class="harness-mark"><img src="/harnesses/antigravity.svg" alt="" /></div>
           <div class="harness-meta">
             <div class="harness-name">Antigravity</div>
             <div class="harness-tag">Google sign-in</div>
@@ -709,11 +709,6 @@ const mobileEndorsementRows = [
     object-fit: contain;
   }
 
-  /* The Antigravity icon ships with its own rounded dark tile, so it fills the
-     card edge to edge instead of sitting inside it. */
-  .hf-antigravity .hero-float-card { background: #0d0d10; border-color: rgba(255, 255, 255, 0.1); }
-  .hf-antigravity .hero-float-card img { width: 100%; height: 100%; border-radius: inherit; object-fit: cover; }
-
   @keyframes mark-in {
     from { opacity: 0; transform: translate(var(--fx), var(--fy)) rotate(calc(var(--rot) + 24deg)) scale(0.6); }
     to { opacity: 1; transform: translate(0, 0) rotate(var(--rot)) scale(1); }
@@ -829,7 +824,7 @@ const mobileEndorsementRows = [
     flex-shrink: 0; width: 28px; height: 28px;
     display: grid; place-items: center;
   }
-  .harness-mark img { width: 22px; height: 22px; object-fit: contain; border-radius: 5px; }
+  .harness-mark img { width: 22px; height: 22px; object-fit: contain; }
 
   .harness-meta { flex: 1; min-width: 0; }
   .harness-name {