Build: Arhitectura României — interactive 3D scrollytelling

Astro 6 + Tailwind 4 + Three.js + GSAP/Lenis stack.

- Hero with animated procedural 3D Maramures house silhouette
- Six typology sections (Maramures, cula, sasesc, interbelic, comunist, contemporan), each with a low-poly Three.js model and interactive drag-to-rotate
- 5-question quiz that recommends a typology, with native + social share
- Beletage backlinks throughout: footer, header CTA, dedicated section, quiz result, share strip
- Full SEO: dynamic OG image, JSON-LD WebSite/Organization/Article, sitemap (i18n), robots, canonical, hreflang
- RO primary, EN landing variant
- Romanian-warm palette (terra/wood/sky-mist/bone), Fraunces + Inter fonts
- Lazy-init Three scenes via IntersectionObserver, prefers-reduced-motion respected

Static output, ready for Cloudflare Pages.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

astro.config.mjs

@@ -0,0 +1,29 @@
+// @ts-check
+import { defineConfig } from 'astro/config';
+import sitemap from '@astrojs/sitemap';
+import tailwindcss from '@tailwindcss/vite';
+
+export default defineConfig({
+  site: 'https://2d3d.ro',
+  integrations: [
+    sitemap({
+      i18n: {
+        defaultLocale: 'ro',
+        locales: { ro: 'ro-RO', en: 'en-US' },
+      },
+    }),
+  ],
+  vite: {
+    plugins: [tailwindcss()],
+    build: {
+      cssCodeSplit: true,
+    },
+  },
+  build: {
+    inlineStylesheets: 'auto',
+  },
+  prefetch: {
+    prefetchAll: true,
+    defaultStrategy: 'viewport',
+  },
+});