/* ── Promo popup (7th anniversary) ── */
.promo-popup {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1100;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(15, 6, 36, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.28s ease;
}

.promo-popup.is-visible {
  display: flex;
  opacity: 1;
}

.promo-popup__dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  width: min(92vw, 520px);
  max-height: calc(100vh - 32px);
  transform: scale(0.92) translateY(12px);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

.promo-popup.is-visible .promo-popup__dialog {
  transform: scale(1) translateY(0);
}

.promo-popup__link {
  display: block;
  width: 100%;
  line-height: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(46, 16, 101, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.promo-popup__link:hover {
  transform: translateY(-2px);
  box-shadow:
    0 26px 56px rgba(46, 16, 101, 0.52),
    0 0 0 1px rgba(255, 213, 74, 0.35);
}

.promo-popup__link img {
  display: block;
  width: 100%;
  height: auto;
  max-height: calc(100vh - 120px);
  object-fit: contain;
}

.promo-popup__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 132px;
  min-height: 44px;
  padding: 0 22px;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 999px;
  background: linear-gradient(180deg, #7c3aed 0%, #5b21b6 100%);
  color: #fff;
  font-family: "Kanit", sans-serif;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(76, 29, 149, 0.4);
  transition: transform 0.18s ease, filter 0.18s ease, box-shadow 0.18s ease;
}

.promo-popup__close i {
  font-size: 14px;
}

.promo-popup__close:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 12px 26px rgba(76, 29, 149, 0.48);
}

.promo-popup__close:active {
  transform: translateY(0);
}

@media (max-width: 420px) {
  .promo-popup {
    padding: 12px;
  }

  .promo-popup__dialog {
    width: min(94vw, 420px);
    gap: 12px;
  }

  .promo-popup__close {
    min-height: 40px;
    font-size: 14px;
  }
}