Initial Hugo gallery site with custom landing page

- Hugo site with nicokaiser/hugo-theme-gallery (git submodule)
- Full-viewport hero with parallax scrolling (bg at 70%, text at 85% speed)
- Entrance animations on hero title and subtitle
- Bouncing scroll arrow that fades out on scroll
- Header suppressed on homepage, shown on all other pages
- Intro text section between hero and album grid
- Cats placeholder album with 8 images
- .gitignore excludes public/, resources/, .hugo_build.lock, .idea/

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

layouts/_default/home.html

@@ -0,0 +1,36 @@
+{{ define "main" }}
+  {{ $heroImage := .Resources.GetMatch "hero*" }}
+  {{ if $heroImage }}
+    {{ $img := $heroImage.Filter (slice images.AutoOrient (images.Process "fit 1920x1080")) }}
+    <section class="hero">
+      <div class="hero-bg" style="background-image: url({{ $img.RelPermalink }})"></div>
+      <div class="hero-fg">
+        <div class="hero-content">
+          <h1>{{ .Title }}</h1>
+          {{ with .Params.tagline }}<p>{{ . }}</p>{{ end }}
+        </div>
+        <div class="hero-scroll" aria-hidden="true">
+          <span class="hero-scroll-icon">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round">
+              <path d="M6 9l6 6 6-6"/>
+            </svg>
+          </span>
+        </div>
+      </div>
+    </section>
+  {{ else }}
+    {{ partial "title.html" . }}
+  {{ end }}
+  {{ with .Content }}
+  <section class="home-intro">
+    <div class="prose">{{ . }}</div>
+  </section>
+  {{ end }}
+  {{ partial "categories.html" }}
+  {{ partial "featured.html" . }}
+  <section class="galleries">
+    {{ range where .Pages "Params.private" "ne" true }}
+      {{ partial "album-card.html" . }}
+    {{ end }}
+  </section>
+{{ end }}