site 1.4.4: background at 30 % of its speed

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

script.js

@@ -90,7 +90,7 @@
 // mids amber, highs white) running along the bottom at 128 BPM; --beat pulses
 // with it. Quiet when the system asks for reduced motion or the tab is hidden.
 (function () {
-  var BPM = 128, COL = 4, still = window.matchMedia && matchMedia('(prefers-reduced-motion: reduce)').matches;
+  var BPM = 128, COL = 4, SPEED = 0.3, still = window.matchMedia && matchMedia('(prefers-reduced-motion: reduce)').matches;
   function rnd(k) { var x = Math.sin(k * 127.1 + 311.7) * 43758.5453; return x - Math.floor(x); }
   // one column of the waveform: k counts columns, 16 to a beat
   function band(k) {
@@ -115,7 +115,7 @@
     size(); addEventListener('resize', size);
     function draw(now) {
       var light = document.documentElement.getAttribute('data-theme') === 'light', a = light ? 0.5 : 1;
-      var t = (now - t0) / 1000, beats = t * BPM / 60;
+      var t = (now - t0) / 1000 * SPEED, beats = t * BPM / 60;   // slowed down: calm, not a real 128 BPM
       x.setTransform(dpr, 0, 0, dpr, 0, 0);
       x.clearRect(0, 0, w, h);
       // the record