html, body {
  margin: 0;
  padding: 0;
  background: transparent;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

#stage {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 512px;
  height: 512px;
  perspective: 1200px;
}

#speaker {
  position: absolute;
  inset: 0;
  opacity: var(--hidden-opacity, 0);
  transform: var(--hidden-transform, scale(0.6) translateY(40px));
  transition: opacity var(--move-ms, 260ms) ease-out,
              transform var(--move-ms, 260ms) var(--move-ease, cubic-bezier(.2, 1.4, .4, 1));
  will-change: opacity, transform;
}
#speaker.visible {
  opacity: 1;
  transform: none;
}

#bob {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.half {
  position: absolute;
  left: 0;
  width: 100%;
  background-repeat: no-repeat;
  background-position: 0 0;
}

#top    { top: 0; }
#bottom { transform-origin: 50% 0%; will-change: transform; }

#name {
  position: absolute;
  left: 50%;
  bottom: 0;   /* overridden from JS via NAME_BOTTOM_PX */
  transform: translateX(-50%);
  font: 700 28px/1.2 "Segoe UI", system-ui, sans-serif;
  color: #fff;
  -webkit-text-stroke: var(--name-outline, 5px) #000;
  paint-order: stroke fill;
  text-shadow: 0 0 8px rgba(0, 0, 0, 0.85);
  white-space: nowrap;
  pointer-events: none;
}