feat: design tokens (palette, Inter font, content + motion libs)

lib/motion.ts

@@ -0,0 +1,21 @@
+import type { Variants } from 'framer-motion';
+
+// EaseOutExpo — smooth editorial deceleration
+export const easeOutExpo = [0.22, 1, 0.36, 1] as const;
+
+export const fadeInUp: Variants = {
+  hidden: { opacity: 0, y: 20 },
+  visible: { opacity: 1, y: 0, transition: { duration: 0.5, ease: easeOutExpo } },
+};
+
+export const fadeIn: Variants = {
+  hidden: { opacity: 0 },
+  visible: { opacity: 1, transition: { duration: 0.4, ease: easeOutExpo } },
+};
+
+export const staggerContainer: Variants = {
+  hidden: {},
+  visible: { transition: { staggerChildren: 0.1 } },
+};
+
+export const viewportOnce = { once: true, amount: 0.3 } as const;