Nudge hero content up on mobile to clear scroll cue

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/routes/+page.svelte

@@ -187,7 +187,7 @@
   </video>
   <div class="absolute inset-0 bg-black/60"></div>
 
-  <div class="relative z-10 w-full max-w-[90rem] mx-auto px-5 sm:px-10 text-center">
+  <div class="relative z-10 w-full max-w-[90rem] mx-auto px-5 sm:px-10 text-center mb-16 sm:mb-0">
     <!-- Logo -->
     <img src="/logo.png" alt="Inkdigena" class="hero-logo {heroLoaded ? 'loaded' : ''}" style="filter: drop-shadow(0 4px 40px rgba(0,0,0,0.7));">