redesign(homepage): elegant editorial redesign with scroll animations

- HeroSection: full-viewport split layout with staggered entrance animations,
  editorial typography, tech stack tags, animated scroll indicator
- WorksSection: refined header with section label, scroll-reveal on entry
- ProjectCard: per-card IntersectionObserver reveal, numbered projects,
  enhanced hover states (scale + brightness), improved CTA
- FeatureSection: card grid with border/glass treatment and staggered reveals
- AboutSection: animated timeline progress line, scroll-triggered card entrances
- FeatureColumn: icon container with hover treatment
- globals.css: fadeUp/lineGrow/arrowBounce keyframes, .reveal utility,
  prefers-reduced-motion support, brand-accent color token
- lib/useReveal.ts: IntersectionObserver hook for scroll reveals

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

app/[locale]/page.tsx

@@ -16,11 +16,13 @@ export default async function Home({ params }: props) {
 	const projects = getAllProjects().filter((item) => item.ready);
 
 	return (
-		<main className=" bg-brand-beige text-brand-black flex flex-col items-center justify-center">
+		<main className="bg-brand-beige text-brand-brown flex flex-col">
 			<HeroSection />
-			<WorksSection projects={projects} locale={locale} />
-			<FeatureSection />
-			<TimelineSection />
+			<div className="px-8 md:px-14 lg:px-20">
+				<WorksSection projects={projects} locale={locale} />
+				<FeatureSection />
+				<TimelineSection />
+			</div>
 		</main>
 	);
 }