:root {
  --click-to-call-bg-color: #000000;
  --click-to-call-bg-hover-color: #ffffff;
  --click-to-call-icon-color: #ffffff;
  --click-to-call-icon-hover-color: #000000;
  --click-to-call-margin-x: 20px;
  --click-to-call-margin-y: 20px;
}

.click-to-call {
  position: fixed;
  bottom: var(--click-to-call-margin-y);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background-color: var(--click-to-call-bg-color);
  border-radius: 50%;
  transition: background-color 0.3s ease-in-out;
  z-index: 9999;
  text-decoration: none;
}

.click-to-call--right {
  right: var(--click-to-call-margin-x);
}

.click-to-call--left {
  left: var(--click-to-call-margin-x);
}

.click-to-call:hover {
  background-color: var(--click-to-call-bg-hover-color);
}

.click-to-call-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--click-to-call-icon-color);
  transition: color 0.3s ease-in-out;
  z-index: 2;
}

.click-to-call-svg {
  width: 24px;
  height: 24px;
  display: block;
}

.click-to-call:hover .click-to-call-icon {
  color: var(--click-to-call-icon-hover-color);
}

.click-to-call-icon-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: var(--click-to-call-bg-color);
  transition: background-color 0.3s ease-in-out;
  z-index: 1;
}

.click-to-call:hover .click-to-call-icon-bg {
  background-color: var(--click-to-call-bg-hover-color);
}

.click-to-call-tooltip {
  display: none;
  background-color: #000;
  color: #fff;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: 4px;
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  z-index: 9999;
}

.click-to-call:hover .click-to-call-tooltip {
  display: block;
}