arrow and timeline steps highlight

style.css

@@ -171,7 +171,7 @@ header p { margin: 0; color: var(--muted); }
 /* flow buttons */
 .flow {
   position: fixed; left: 50%; transform: translateX(-50%); bottom: 16px;
-  width: min(960px, 92vw); background: #39629b;
+  width: min(960px, 92vw); background: #1f3859;
   border: 1px solid rgba(255,255,255,0.14); border-radius: 14px; padding: 10px 12px;
   box-shadow: 0 10px 30px rgba(0,0,0,0.35);
 }
@@ -268,3 +268,45 @@ header p { margin: 0; color: var(--muted); }
     padding-left: 14px;
   }
 }
+
+
+/* Highlight the step that's currently linked to the flow bar */
+.step.current {
+  background: #142235 !important;         /* same color as .flow */
+  border-color: rgba(255,255,255,0.28) !important;
+  box-shadow: 0 12px 40px rgba(0,0,0,0.45);
+}
+.step.current .num {
+  background: rgba(255,255,255,0.18);
+  border-color: rgba(255,255,255,0.22);
+}
+.step.current .badge {
+  background: rgba(255,255,255,0.12);
+  border-color: rgba(255,255,255,0.22);
+  color: #fff;
+}
+/* Don't let hover override the 'current' highlight */
+.step.current:hover,
+.step.current:focus-within {
+  background: #1f3859 !important;
+  /* border-color: rgba(255,255,255,0.28) !important;*/
+  /* transform: translateY(-2px);*/
+  /*box-shadow: 0 12px 40px rgba(0,0,0,0.45);*/
+}
+
+/* Full-screen overlay SVG for the bent arrow */
+.linksvg {
+  position: fixed;
+  inset: 0;
+  width: 100vw;
+  height: 100vh;
+  pointer-events: none;      /* clicks go through */
+  z-index: 20;               /* above content, below modal if you use it */
+}
+.linksvg path {
+  stroke: #98a1b2;           /* soft ink color; tweak if you like */
+  stroke-width: 3;
+  fill: none;
+  filter: drop-shadow(0 2px 6px rgba(0,0,0,0.35));
+  opacity: 0.9;
+}