Aggiorna la favicon con la O quantum del logo NexStudio.

Co-authored-by: Cursor <cursoragent@cursor.com>

public/favicon.svg

@@ -1,10 +1,5 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" fill="none">
-  <rect width="32" height="32" rx="8" fill="url(#g)"/>
-  <path fill="#fff" d="M8 22V10h3.2l4.1 6.1h.1L19.4 10H22.8v12h-3.1V15.5l-3.4 4.7h-1.8L11.1 15.5V22H8Z"/>
-  <defs>
-    <linearGradient id="g" x1="6" y1="4" x2="28" y2="28" gradientUnits="userSpaceOnUse">
-      <stop stop-color="#38bdf8"/>
-      <stop offset="1" stop-color="#a78bfa"/>
-    </linearGradient>
-  </defs>
+  <!-- O quantum: anello + nucleo (dal wordmark NexStudio) -->
+  <circle cx="16" cy="16" r="11.5" stroke="#B380FF" stroke-width="5" />
+  <circle cx="16" cy="16" r="3.2" fill="#B380FF" />
 </svg>

public/logos/nexstudio.svg

@@ -0,0 +1,28 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 140" fill="none" role="img" aria-label="NexStudio">
+  <!-- Wordmark allineato al render di riferimento: Nex (grigio) + Studi (viola) + O quantum -->
+  <g transform="translate(12, 8)">
+    <text
+      x="0"
+      y="102"
+      font-family="system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif"
+      font-weight="600"
+      font-size="100"
+      letter-spacing="-0.03em"
+      fill="#E6E6E6"
+    >Nex</text>
+    <text
+      x="178"
+      y="102"
+      font-family="system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif"
+      font-weight="500"
+      font-size="100"
+      letter-spacing="-0.03em"
+      fill="#B380FF"
+    >Studi</text>
+    <!-- O = anello + nucleo, integrata come lettera finale -->
+    <g transform="translate(448, 52)">
+      <circle cx="40" cy="22" r="34" fill="none" stroke="#B380FF" stroke-width="14" />
+      <circle cx="40" cy="22" r="9" fill="#B380FF" />
+    </g>
+  </g>
+</svg>

src/pages/index.astro

@@ -78,11 +78,15 @@ const langMeta = {
       <div
         class="mx-auto flex max-w-6xl items-center justify-between gap-4 px-4 py-3 sm:px-6"
       >
-        <a href={localize('/')} class="group no-underline">
-          <span
-            class="text-2xl font-semibold tracking-tight text-nx-fg group-hover:text-white sm:text-3xl"
-            >{navigation.brandName}</span
-          >
+        <a href={localize('/')} class="group no-underline" aria-label={navigation.brandName}>
+          <img
+            src="/logos/nexstudio.png"
+            alt={navigation.brandName}
+            class="h-7 w-auto sm:h-8"
+            width="168"
+            height="30"
+            decoding="async"
+          />
         </a>
 
         <nav