so

public/partials/header.php

@@ -6,7 +6,7 @@
         <!-- Logo -->
         <div class="flex items-center gap-3">
             <a href="/?lang=<?= htmlspecialchars($lang) ?>" class="flex items-center gap-3">
-                <img src="/assets/img/logo_slogan.png" alt="usbcheck.it Logo" class="h-9 w-auto">
+                <img src="https://usbcheck.it/assets/img/logo_slogan.png" alt="usbcheck.it Logo" class="h-9 w-auto">
 
                 <div class="hidden sm:flex flex-col leading-tight">
                     <span class="font-heading font-bold text-sm uppercase tracking-[0.18em] text-brand-muted">