diff --git a/src/components/Nav.astro b/src/components/Nav.astro
index 7f918b3..6156331 100644
--- a/src/components/Nav.astro
+++ b/src/components/Nav.astro
@@ -5,7 +5,7 @@ export interface Props {
 const { variant = 'full' } = Astro.props;
 ---
 
-<nav aria-label="Navigazione principale">
+<nav class="site-nav" aria-label="Navigazione principale">
   <a href="/" class="nav-logo" aria-label="Smart Roots — Home">
     <img src="/assets/logo.png" alt="Smart Roots" width="32" height="32" />
     <span class="nav-logo-text">Smart Roots</span>
diff --git a/src/styles/global.css b/src/styles/global.css
index 1c09dc2..a70ccdd 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -49,7 +49,7 @@ section          { padding: 100px 2.5rem; }
 .btn-ghost:hover { border-color: var(--txt2); color: var(--txt); }
 
 /* ── NAV ── */
-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 2.5rem; height: 68px; background: rgba(11,15,28,0.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
+nav.site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 0 2.5rem; height: 68px; background: rgba(11,15,28,0.88); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
 .nav-logo      { display: flex; align-items: center; gap: 10px; }
 .nav-logo img  { width: 32px; height: 32px; object-fit: contain; }
 .nav-logo-text { font-family: var(--serif); font-size: 1.4rem; font-weight: normal; letter-spacing: 0.04em; color: var(--txt); }
@@ -92,7 +92,7 @@ footer { border-top: 1px solid var(--border); padding: 2rem 2.5rem; }
   .smartdb-inner, .diff-grid, .trust-grid,
   .founders-inner { grid-template-columns: 1fr !important; }
   .pipe-arrow { transform: rotate(90deg); }
-  nav .nav-links { display: none; }
+  nav.site-nav .nav-links { display: none; }
   .pipeline-flow { grid-template-columns: 1fr !important; }
   .hero-inner { grid-template-columns: 1fr !important; gap: 3rem; }
   .hero-right { order: -1; }