/* Shared floating back-to-top control. Positioned below the Tawk launcher. */
#ast-scroll-top,
.ast-scroll-to-top-left,
.ast-scroll-to-top-right {
  display: none !important;
}

.scroll-to-top {
  --iris-back-to-top-size: 50px;
  position: fixed;
  right: 30px;
  bottom: 18px;
  z-index: 2900;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--iris-back-to-top-size);
  height: var(--iris-back-to-top-size);
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: rgba(43, 47, 45, 0.94);
  color: #21f223;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: opacity 0.24s ease, visibility 0.24s ease,
              color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease,
              box-shadow 0.2s ease;
}

.scroll-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.scroll-to-top svg {
  display: block;
  width: 22px;
  height: 22px;
}

.scroll-to-top:hover {
  border-color: rgba(33, 242, 35, 0.72);
  background: #383d3a;
  color: #21f223;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.32), 0 0 18px rgba(33, 242, 35, 0.18);
}

.scroll-to-top:focus-visible {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

.scroll-to-top:active {
  border-color: rgba(33, 242, 35, 0.5);
  background: #303532;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28), 0 0 12px rgba(33, 242, 35, 0.14);
}

@media (max-width: 600px) {
  .scroll-to-top {
    --iris-back-to-top-size: 48px;
    right: 20px;
    bottom: 14px;
  }

  .scroll-to-top svg {
    width: 20px;
    height: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-to-top {
    transition: none;
  }
}