.tgtl-back-to-top {
  position: fixed;
  right: clamp(1rem, 2vw, 1.5rem);
  bottom: clamp(1rem, 2vw, 1.5rem);
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 0;
  border-radius: 999px;
  padding: 0.68rem 0.88rem;
  background: #28A745;
  color: #ffffff;
  font-family: "Poppins", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(40, 167, 69, 0.35);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px) scale(0.96);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.tgtl-back-to-top:hover {
  background: #1e8035;
  box-shadow: 0 12px 26px rgba(30, 128, 53, 0.4);
}

.tgtl-back-to-top:focus-visible {
  outline: 3px solid rgba(40, 167, 69, 0.35);
  outline-offset: 2px;
}

.tgtl-back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

@media (max-width: 640px) {
  .tgtl-back-to-top span {
    display: none;
  }
  .tgtl-back-to-top {
    padding: 0.72rem;
  }
}