update miletruth page and remove unwanted files

src/app/globals.css

@@ -10,6 +10,26 @@ html {
   scroll-behavior: smooth;
 }
 
+/* Lenis global smooth scroll (src/animations/SmoothScroll.tsx). These classes are
+   only present on routes/devices where Lenis is active; on /miletruth and touch
+   devices Lenis is off and native scroll-behavior:smooth (above) applies. */
+html.lenis,
+html.lenis body {
+  height: auto;
+}
+.lenis.lenis-smooth {
+  scroll-behavior: auto !important;
+}
+.lenis.lenis-smooth [data-lenis-prevent] {
+  overscroll-behavior: contain;
+}
+.lenis.lenis-stopped {
+  overflow: hidden;
+}
+.lenis.lenis-smooth iframe {
+  pointer-events: none;
+}
+
 *, *::before, *::after {
   font-family: var(--font-manrope), "Manrope", system-ui, -apple-system, sans-serif;
 }