:root {
  --iot-sticky-cta-height: 0px;
}

.iot-sticky-cta-sentinel {
  display: block;
  width: 1px;
  height: 1px;
  margin: 0;
  pointer-events: none;
}

.iot-sticky-cta {
  position: fixed;
  z-index: 80;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  left: max(16px, env(safe-area-inset-left));
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity var(--iot-ease), transform var(--iot-ease);
}

.iot-sticky-cta[hidden] {
  display: none !important;
}

.iot-sticky-cta.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.iot-sticky-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 42px;
  align-items: center;
  width: min(100%, 920px);
  min-height: 72px;
  padding: 9px;
  gap: 12px;
  margin-inline: auto;
  border: 1px solid var(--iot-border-red);
  border-radius: var(--iot-radius);
  background: #111;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.52);
}

.iot-sticky-cta__info {
  min-width: 0;
  margin: 0;
  padding-inline: 14px 4px;
  line-height: 1.35;
}

.iot-sticky-cta__info span,
.iot-sticky-cta__info strong {
  display: block;
}

.iot-sticky-cta__info span {
  margin-bottom: 4px;
  color: var(--iot-accent-bright);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.iot-sticky-cta__info strong {
  overflow: hidden;
  color: var(--iot-text);
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.iot-sticky-cta__button {
  display: inline-flex;
  min-width: min(36vw, 330px);
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 11px 22px;
  border: 1px solid var(--iot-accent-bright);
  border-radius: var(--iot-radius-small);
  background: var(--iot-accent-dark);
  color: var(--iot-text) !important;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  transition: background var(--iot-ease), border-color var(--iot-ease), transform var(--iot-ease);
}

.iot-sticky-cta__button:hover {
  border-color: var(--iot-accent-bright);
  background: var(--iot-accent);
  transform: translateY(-1px);
}

.iot-sticky-cta__close {
  display: inline-grid;
  width: 42px;
  height: 42px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--iot-border-strong);
  border-radius: 50%;
  background: #191919;
  color: var(--iot-text-muted);
  cursor: pointer;
  font-size: 24px;
  line-height: 1;
  transition: border-color var(--iot-ease), color var(--iot-ease), background var(--iot-ease);
}

.iot-sticky-cta__close:hover {
  border-color: var(--iot-border-red);
  background: #211719;
  color: var(--iot-text);
}

@media (max-width: 899px) {
  .iot-sticky-cta {
    right: max(10px, env(safe-area-inset-right));
    bottom: max(10px, env(safe-area-inset-bottom));
    left: max(10px, env(safe-area-inset-left));
  }

  .iot-sticky-cta__inner {
    grid-template-columns: minmax(0, 1fr) 42px;
    min-height: 62px;
    gap: 8px;
    padding: 7px;
  }

  .iot-sticky-cta__info {
    display: none;
  }

  .iot-sticky-cta__button {
    width: 100%;
    min-width: 0;
    min-height: 48px;
    padding: 9px 14px;
    font-size: 13px;
  }

  .iot-sticky-cta__close {
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 374px) {
  .iot-sticky-cta__button {
    gap: 7px;
    padding-inline: 10px;
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .iot-sticky-cta,
  .iot-sticky-cta__button,
  .iot-sticky-cta__close {
    transition: none;
  }
}