Deepen homepage visual system

public/script.js

@@ -40,9 +40,12 @@
   var reduceMotion = window.matchMedia &&
     window.matchMedia("(prefers-reduced-motion: reduce)").matches;
   var revealEls = Array.prototype.slice.call(document.querySelectorAll([
+    ".signal-inner > *",
     ".hero-copy > *",
     ".hero-visual",
     ".trust-strip span",
+    ".mission-head",
+    ".mission-step",
     ".product-copy > *",
     ".product-ui",
     ".section-head",