Add Nini Naderi Persian RTL homepage.

Build the kids clothing store landing page with sample content, placeholders, and the purple-cyan-red light theme.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/components/FeaturedCategories.tsx

@@ -0,0 +1,30 @@
+import { categories } from "@/data/content";
+import { toFaDigits } from "@/lib/format";
+import { Placeholder } from "./Placeholder";
+import { SectionHeading } from "./SectionHeading";
+
+export function FeaturedCategories() {
+  return (
+    <section id="categories" className="container-nn py-8">
+      <SectionHeading english="Little Wardrobe" title="دسته‌بندی‌های محبوب" />
+      <div className="grid grid-cols-2 gap-3 sm:grid-cols-4 lg:grid-cols-8">
+        {categories.map((category) => (
+          <a
+            key={category.id}
+            href="#"
+            className="glass-box group rounded-3xl p-3 text-center shadow-soft transition hover:-translate-y-1"
+          >
+            <Placeholder
+              width={160}
+              height={160}
+              tone={category.tone}
+              rounded="rounded-2xl"
+            />
+            <h3 className="mt-3 text-sm font-bold text-ink">{category.title}</h3>
+            <p className="text-xs text-muted">{toFaDigits(category.count)} مدل</p>
+          </a>
+        ))}
+      </div>
+    </section>
+  );
+}