.flash-ad {
  position: fixed;
  z-index: 9000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: clamp(16px, 3vw, 32px);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, visibility 0s linear 200ms;
}

.flash-ad__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.flash-ad__dialog {
  position: relative;
  z-index: 1;
  width: min(90vw, 620px);
  max-height: calc(100vh - 64px);
  max-height: calc(100dvh - 64px);
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 220ms ease, transform 220ms cubic-bezier(.22, 1, .36, 1);
  outline: 0;
}

.flash-ad__link,
.flash-ad__image {
  display: block;
  width: 100%;
}

.flash-ad__link {
  cursor: pointer;
}

.flash-ad__image {
  height: auto;
  max-height: calc(100vh - 64px);
  max-height: calc(100dvh - 64px);
  object-fit: contain;
}

.flash-ad__close {
  position: absolute;
  z-index: 2;
  top: 10px;
  right: 10px;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 50%;
  padding: 0;
  color: #111;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
  font: 400 28px/1 Arial, sans-serif;
  cursor: pointer;
}

.flash-ad__close:hover {
  color: #111;
  background: #fff;
}

.flash-ad__close:focus-visible,
.flash-ad__link:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.flash-ad.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0s;
}

.flash-ad.is-open .flash-ad__dialog {
  opacity: 1;
  transform: scale(1);
}

.flash-ad.is-closing .flash-ad__dialog {
  opacity: 0;
  transform: scale(0.98);
  transition-duration: 170ms;
}

@media (max-width: 767px) {
  .flash-ad {
    padding: 16px;
  }

  .flash-ad__dialog {
    width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
  }

  .flash-ad__image {
    max-height: calc(100vh - 32px);
    max-height: calc(100dvh - 32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .flash-ad,
  .flash-ad__dialog {
    transition-duration: 1ms;
  }

  .flash-ad__dialog,
  .flash-ad.is-closing .flash-ad__dialog {
    transform: none;
  }
}