.smg-overlay {
  position: absolute;
  inset: 0;
  z-index: 2147483000;
  width: 100%;
  height: 100%;
  border: 0;
  margin: 0;
  padding: 20px;
  cursor: pointer;
  background: rgba(0,0,0,.42);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  font: inherit;
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
}
.smg-overlay:hover { background: rgba(0,0,0,.5); }
.smg-overlay:focus-visible { outline: 3px solid currentColor; outline-offset: -5px; }
.smg-overlay__main {
  display: inline-block;
  font-size: clamp(20px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.15;
  text-shadow: 0 2px 14px rgba(0,0,0,.75);
}
.smg-overlay__sub {
  margin-top: 8px;
  font-size: clamp(12px, 1.5vw, 16px);
  opacity: .92;
  text-shadow: 0 2px 10px rgba(0,0,0,.8);
}