.zintech-form {
  max-width: 500px;
  margin: 40px auto;
  padding: 25px 30px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  font-family: "Segoe UI", Arial, sans-serif;
  transition: all 0.3s ease;
}

.zintech-form:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.zintech-form label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: #333;
}

.zintech-form input[type="text"],
.zintech-form input[type="email"],
.zintech-form textarea {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 18px;
  border: 1px solid #ccc;
  border-radius: 6px;
  background-color: #fafafa;
  transition: border-color 0.3s, background-color 0.3s;
  font-size: 15px;
}

.zintech-form input:focus,
.zintech-form textarea:focus {
  border-color: #0073aa; /* Màu xanh WordPress */
  background-color: #fff;
  outline: none;
}

.zintech-form textarea {
  resize: vertical;
  min-height: 100px;
}

.zintech-form button {
  background-color: #0073aa;
  color: #fff;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s ease, transform 0.1s ease;
}

.zintech-form button:hover {
  background-color: #005f8a;
  transform: translateY(-2px);
}

.zintech-form p {
  text-align: center;
  font-weight: 500;
  color: #2e8b57;
}

/* Responsive cho mobile */
@media (max-width: 600px) {
  .zintech-form {
    padding: 20px;
    margin: 20px;
  }

  .zintech-form button {
    width: 100%;
  }
}

/* === Popup Modal === */
.zintech-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.4);
  justify-content: center;
  align-items: center;
}

.zintech-modal-content {
  background: #fff;
  padding: 30px 40px;
  border-radius: 10px;
  text-align: center;
  max-width: 400px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  animation: popupFade 0.4s ease;
}

.zintech-modal-content h2 {
  color: #0073aa;
  margin-bottom: 10px;
}

.zintech-modal-content p {
  color: #333;
  margin-bottom: 0;
}

.zintech-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 26px;
  font-weight: bold;
  color: #555;
  cursor: pointer;
}

.zintech-close:hover {
  color: #000;
}

/* Hiệu ứng hiện popup */
@keyframes popupFade {
  from {opacity: 0; transform: scale(0.9);}
  to {opacity: 1; transform: scale(1);}
}