.book-session-lightbox {
  align-items: center;
  display: flex;
  inset: 0;
  justify-content: center;
  padding: 1.5rem;
  position: fixed;
  z-index: 9999;
}

.book-session-lightbox[hidden] {
  display: none;
}

.book-session-lightbox__backdrop {
  background: rgba(0, 0, 0, 0.55);
  inset: 0;
  position: absolute;
}

.book-session-lightbox__dialog {
  background: #fff;
  border-radius: 1.25rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  max-width: 32rem;
  padding: 3rem 2.5rem;
  position: relative;
  text-align: center;
  width: 100%;
}

.book-session-lightbox__close {
  background: transparent;
  border: 0;
  color: #404d66;
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
  padding: 0.25rem 0.5rem;
  position: absolute;
  right: 1rem;
  top: 0.75rem;
}

.book-session-lightbox__title {
  color: #404d66;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 1.5rem;
}

.book-session-lightbox__phone {
  color: #c67d48;
  display: block;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.book-session-lightbox__phone:hover {
  text-decoration: underline;
}