feat(ui): brighten portfolio and replay scroll reveals

src/App.tsx

@@ -131,11 +131,12 @@ function App() {
         entries.forEach((entry) => {
           if (entry.isIntersecting) {
             entry.target.classList.add('is-visible')
-            observer.unobserve(entry.target)
+          } else {
+            entry.target.classList.remove('is-visible')
           }
         })
       },
-      { threshold: 0.18 },
+      { rootMargin: '0px 0px -12% 0px', threshold: 0.16 },
     )
 
     revealItems.forEach((item) => observer.observe(item))