mengubah logo dan warna via WA

src/components/Navbar.vue

@@ -2,8 +2,12 @@
   <header class="sticky top-0 z-50 border-b border-slate-200 bg-white/90 backdrop-blur">
     <div class="container-page flex h-16 items-center justify-between">
       <RouterLink to="/" class="flex items-center gap-2">
-        <div class="flex h-9 w-9 items-center justify-center rounded-xl bg-brand-600 text-white">
-          <Cpu size="20" />
+        <div class="flex items-center justify-center">
+          <img 
+            src="/round-logo-sija.png" 
+            alt="SecondTech Logo" 
+            class="h-10 w-10 object-contain"
+          />
         </div>
         <span class="text-lg font-extrabold tracking-tight">SecondTech</span>
       </RouterLink>

src/views/ProductDetailView.vue

@@ -45,7 +45,7 @@
         </div>
 
         <div class="mt-8 flex flex-wrap gap-3">
-          <a :href="waLink" target="_blank" class="btn-primary">Hubungi via WhatsApp</a>
+          <a :href="waLink" target="_blank" class="btn-WA">Hubungi via WhatsApp</a>
           <button class="btn-secondary" @click="toggleSave">
             {{ saved ? "Hapus dari Tersimpan" : "Simpan Barang" }}
           </button>