.brand-seal {
  position: absolute;
  z-index: 3;
  width: clamp(75px, 9vw, 130px);
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
  left: 3%;
  bottom: 11%;
  opacity: .76;
  mix-blend-mode: screen;
  filter: saturate(.86) contrast(1.08);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .42);
  transition: opacity .35s, transform .35s;
}

.brand-seal:hover { opacity: 1; transform: scale(1.06); }

@media (max-width: 820px) {
  .brand-seal { width: 74px; bottom: 9%; left: 5%; }
}