.puzzle-hero{
  width: 100%;
  max-width: 900px;
  height: 320px;
  margin-top: 18px;
  position: relative;
}

.puzzle-hero svg{
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

/* bubbles */
.puzzle-bubble{
  cursor: pointer;
  mix-blend-mode: normal;
  opacity: 1;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.12));
  transition: filter .18s ease;
}

.puzzle-bubble,
.puzzle-transition{
  opacity: 1 !important;
  fill-opacity: 1 !important;
  mix-blend-mode: normal !important;
}

.puzzle-bubble.dim{
  opacity: 1;
  filter: brightness(0.92);
}


.puzzle-bubble.dim{ opacity: .55; }

.puzzle-bubble:hover{
  filter: drop-shadow(0 16px 26px rgba(0,0,0,.18));
}

.puzzle-bubble:focus-visible {
  outline: none;
  stroke: #000;
  stroke-width: 6px;
  filter: drop-shadow(0 0 4px rgba(255,255,255,.95));
}

.puzzle-ring-text {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: opacity 180ms ease-out;
}

@media (max-width: 600px) {
  .puzzle-hero {
    height: 260px;
  }
}