#servicePopup {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

#popupContent {
  background: #fff;
  padding: 40px 32px;
  border-radius: 18px;
  max-width: 500px;
  width: 95%;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  animation: fadeIn 0.4s ease-out;
}

#popupContent p {
  margin-bottom: 24px;
  font-weight: 600;
  font-size: 20px;
}

#popupContent button {
  margin: 12px 10px;
  padding: 16px 30px;
  font-size: 18px;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  background: #800020; /* đỏ mận */
  color: #fff;
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(0,0,0,0.2);
  transition: background 0.3s, transform 0.2s;
}

#popupContent button:hover {
  background: #a6002c;
  transform: translateY(-2px);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@media (max-width: 600px) {
  #popupContent {
    padding: 28px 20px;
    max-width: 90%;
  }

  #popupContent button {
    display: block;
    width: 100%;
    margin: 12px 0;
    font-size: 16px;
  }
}