.fb-group-popup {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 1035;
  display: flex;
  justify-content: center;
  pointer-events: none;
  transform: translateY(0);
  transition:
    transform 0.52s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.42s ease;
  will-change: transform, opacity;
}

.fb-group-popup.is-offscreen {
  transform: translateY(calc(100% + 32px));
  opacity: 0;
  visibility: hidden;
}

.fb-group-popup:not(.is-offscreen) {
  pointer-events: auto;
}

.fb-group-popup__card {
  position: relative;
  width: min(970px, 100%);
  padding: 20px 20px 18px;
  background: rgba(18, 22, 28, 0.97);
  color: #f5f7fa;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.38);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.fb-group-popup__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border: none;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #f5f7fa;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.15s ease;
}

.fb-group-popup__close:hover {
  background: rgba(255, 255, 255, 0.18);
}

.fb-group-popup__close:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.fb-group-popup__eyebrow {
  margin: 0 0 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #8ab4f8;
}

.fb-group-popup__title {
  margin: 0 0 8px;
  padding-right: 36px;
  font-size: 1.08rem;
  line-height: 1.35;
  font-weight: 700;
}

.fb-group-popup__text {
  margin: 0 0 16px;
  font-size: 0.94rem;
  line-height: 1.5;
  color: rgba(245, 247, 250, 0.88);
}

.fb-group-popup__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 11px 18px;
  border-radius: 999px;
  background: #1877f2;
  color: #fff;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.fb-group-popup__cta:hover {
  background: #166fe5;
  color: #fff;
  transform: translateY(-1px);
}

.fb-group-popup__cta:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .fb-group-popup {
    transition: none;
  }
}