.demo-formulario {
  background: linear-gradient(135deg, #ffffff, #f7f9fc);
  padding: 30px;
  margin: 40px auto;
  max-width: 500px;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
  animation: fadeIn 0.4s ease;
  border: 1px solid #e0e0e0;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.demo-formulario:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.12);
}

.demo-formulario h2 {
  text-align: center;
  color: #2c3e50;
  font-size: 24px;
  margin-bottom: 25px;
}

.demo-formulario form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.demo-formulario input,
.demo-formulario select,
.demo-formulario textarea {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 10px;
  font-size: 16px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.demo-formulario input:focus,
.demo-formulario select:focus,
.demo-formulario textarea:focus {
  outline: none;
  border-color: #1abc9c;
  box-shadow: 0 0 0 4px rgba(26, 188, 156, 0.2);
}

.demo-formulario .phone-group {
  display: flex;
  gap: 10px;
}

.demo-formulario .phone-group select,
.demo-formulario .phone-group input {
  flex: 1;
}

.demo-formulario button[type="submit"] {
  background-color: #25D366;
  color: white;
  border: none;
  padding: 14px;
  font-size: 17px;
  font-weight: bold;
  border-radius: 10px;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.3s, transform 0.2s ease;
}

.demo-formulario button[type="submit"]:hover {
  background-color: #1da851;
  transform: scale(1.03);
}

/* telefono internacional */

.iti__country-list {
  max-height: 300px;
  overflow-y: auto;
  z-index: 9999;
  position: absolute;
}

.iti__country-list::-webkit-scrollbar {
  width: 6px;
}

.iti__country-list::-webkit-scrollbar-thumb {
  background-color: #ccc;
  border-radius: 3px;
}

.iti__search-input {
  display: block !important;
  padding: 10px;
  margin: 10px;
  width: calc(100% - 20px);
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}