.campaign-popup {
  display: none;
  position: fixed;
  z-index: 9999;
  background: #000;
  border: 2px solid #0fb0b6;
  border-radius: 12px;
  padding: 20px;
  width: 90%;
  max-width: 340px;
  box-shadow: 0 0 20px rgba(0,255,255,0.1);
  color: white;
  font-family: 'Poppins', sans-serif;
  animation: slideUp 0.4s ease;
}

/* 🖥️ Masaüstü: Sol alt köşe */
@media (min-width: 601px) {
  .campaign-popup {
    bottom: 30px;
    left: 30px;
    right: auto;
    top: auto;
    transform: none;
  }
}

/* 📱 Mobil: Ortalanmış şekilde */
@media (max-width: 600px) {
  .campaign-popup {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    bottom: auto;
    right: auto;
  }
}

.campaign-popup .popup-content {
  text-align: center;
}

.campaign-popup h4 {
  font-size: 18px;
  color: #0fb0b6;
  margin-bottom: 10px;
}

.campaign-popup p {
  font-size: 15px;
  margin-bottom: 15px;
}

.campaign-popup .popup-btn {
  display: inline-block;
  background: #0fb0b6;
  color: #000;
  padding: 8px 16px;
  font-weight: bold;
  border-radius: 30px;
  text-decoration: none;
  transition: 0.3s;
}

.campaign-popup .popup-btn:hover {
  background: #0ae0e5;
}

.close-btn {
  position: absolute;
  top: 8px;
  right: 14px;
  font-size: 20px;
  color: #aaa;
  cursor: pointer;
  transition: color 0.3s;
}

.close-btn:hover {
  color: #fff;
}

@keyframes slideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}