.promo-popup{
  position: fixed;
  inset: 0;
  padding: 0 12px;
  background: rgba(0,0,0,0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 99999;
}

.promo-popup.open{
  display: flex;
}

.promo-box{
  background: #fff;
  width: 100%;
  max-width: 340px;
  padding: 16px 18px 18px;
  border-radius: 18px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.20);
  text-align: center;
  position: relative;
  animation: popupFade .25s ease;

  /* 👇 IMPORTANTE: que nunca se vuelva una rayita */
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

@keyframes popupFade{
  from{ transform: scale(.85); opacity: 0; }
  to{ transform: scale(1); opacity: 1; }
}

.promo-close{
  position: absolute;
  top: 8px;
  right: 10px;
  background: none;
  border: 0;
  font-size: 22px;
  cursor: pointer;
  opacity: .7;
}

/* Imagen */
.promo-img{
  width: 100%;
  border-radius: 12px;
  margin-bottom: 10px;
  object-fit: cover;
}

/* Título y texto */
#promoTitle{
  font-size: 1.15rem;
  margin: 4px 0 6px;
}

#promoBody{
  font-size: 0.95rem;
  margin: 0;
}

/* Botón */
.promo-btn{
  display: inline-block;
  margin-top: 10px;
  background: #0E8F6E;
  padding: 8px 18px;
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
}

/* ====== MÓVIL ====== */
@media (max-width: 768px){
  .promo-box{
    max-width: 320px;
    padding: 14px 14px 16px;
    min-height: 210px;
  }

  #promoTitle{
    font-size: 1.05rem;
  }

  #promoBody{
    font-size: 0.9rem;
  }

  .promo-btn{
    padding: 8px 16px;
    font-size: 0.9rem;
  }
}

@media (max-width: 400px){
  .promo-box{
    max-width: 300px;
  }
}