.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(4px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 99999;
}

.modal-box {
  background: #ffffff;
  border-radius: 18px;
  padding: 30px;
  width: 100%;
  max-width: 550px;
  border: 4px solid #00cfff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
  position: relative;
}

.modal-close {
  position: absolute;
  right: 18px;
  top: 10px;
  font-size: 34px;
  cursor: pointer;
  color: #333;
}

.modal-box .estimate-title {
  color: #2172c9;
  font-size: 34px;
  font-weight: 900;
  text-align: center;
  margin-bottom: 20px;
}

#estimateFormModal input,
#estimateFormModal textarea {
  width: 100%;
  padding: 14px;
  margin-bottom: 14px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 16px;
}

#estimateFormModal textarea {
  height: 120px;
  resize: vertical;
}

#estimateFormModal .estimate-btn {
  width: 100%;
  padding: 14px;
  background: #00cfff;
  font-size: 18px;
  font-weight: 700;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

#estimateFormModal .estimate-btn:hover {
  background: #00b5e6;
}

.success-message {
  text-align: center;
  color: #0c9a00;
  margin-top: 10px;
}