pulse

click to feel

/* sub-bass (20-80Hz) drives everything */

const sub = avgBand(20, 80);  // 0-255
const rms = getRMS();          // 0-1

// bass → weight + scale
word.style.fontVariationSettings =
  "'wght' " + lerp(200, 900, sub/255);
word.style.transform =
  "scale(" + lerp(1, 1.5, sub/255) + ")";

// rms → background color shift
body.style.background =
  oklch(lerp(0.08, 0.25, rms), ...);

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