new background asset

src/app/hero/hero.component.html

@@ -1,7 +1,7 @@
 <section class="hero">
   <!-- Mountain background layer -->
   <div class="hero-mountains" aria-hidden="true">
-    <img src="svg/mountain-silhouette.svg" alt="">
+    <img src="svg/mountain-landscape.svg" alt="">
   </div>
 
   <!-- Gradient overlay -->