.site-popup {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(20, 17, 14, 0.48);
  opacity: 0;
  transition: opacity 180ms ease;
}

.site-popup.is-visible {
  opacity: 1;
}

.site-popup__dialog {
  position: relative;
  width: min(520px, 100%);
  padding: clamp(24px, 4vw, 38px);
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: #f5e4d3;
  background: color-mix(in srgb, var(--beige-light, #f5e4d3) 92%, white 8%);
  box-shadow: 0 24px 70px rgba(21, 17, 13, 0.28);
  color: var(--brown-dark, #2f221f);
}

.site-popup__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(47, 34, 31, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.62);
  color: var(--brown-dark, #2f221f);
  font: inherit;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.site-popup__title {
  margin: 0 44px 14px 0;
  font-family: var(--font-title, serif);
  font-size: clamp(1.65rem, 2.6vw, 2.35rem);
  line-height: 1.12;
}

.site-popup__message {
  display: grid;
  gap: 10px;
  font-size: 1rem;
  line-height: 1.58;
}

.site-popup__message p {
  margin: 0;
}

.site-popup__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 22px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--red-dark, #8d251f);
  color: #fff8f1;
  text-decoration: none;
  font-weight: 600;
}

@media (max-width: 640px) {
  .site-popup {
    align-items: end;
    padding: 12px;
  }

  .site-popup__dialog {
    border-radius: 16px;
  }
}