.contact-form-wrapper {
  margin: 2rem auto;
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.form-group {
  flex: 1;
  position: relative;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--bg);
  border-radius: 4px;
  font-size: 16px;
  line-height: 1.5;
  transition: all .3s ease-in-out;
  background-color: var(--bg);
  font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--turchese);
}

.form-group input::placeholder, .form-group textarea::placeholder {
  color: #999;
  transition: opacity 0.3s ease;
}

.form-group input:focus::placeholder, .form-group textarea:focus::placeholder {
  opacity: 0.7;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.checkbox-group {
  margin: 1.5rem 0;
}

.privacy-checkbox {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  font-size: 15px;
  gap: 5px;
}

.privacy-checkbox input[type="checkbox"] {
  width: auto;
  margin: 4px 0 0;
  transform: scale(1.2);
  accent-color: var(--turchese);
}

.privacy-checkbox a {
  color: var(--blu);
  text-decoration: none;
  transition: all .3s ease-in-out;
}

.privacy-checkbox a:hover {
  text-decoration: underline;
}

.btn-submit {
  padding: 12px 14px;
  border: none;
  border-radius: 4px;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: .5px;
  transition: all 0.3s ease-in-out;
  min-width: 180px;
  position: relative;
  overflow: hidden;
}

.contact-success-message, .contact-error-message {
  padding: 1rem 1.5rem;
  border-radius: 6px;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.contact-success-message {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
}

.contact-error-message {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  color: #721c24;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.form-group input:invalid:not(:focus):not(:placeholder-shown), .form-group textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #dc3545;
  background-color: #fff5f5;
}

.form-group input:valid:not(:focus):not(:placeholder-shown), .form-group textarea:valid:not(:focus):not(:placeholder-shown) {
  border-color: #28a745;
  background-color: #f8fff9;
}

@media (max-width: 767px) {
  
  .form-row {
    flex-direction: column;
    gap: 0;
    margin-bottom: 1rem;
  }
  
  .form-group {
    margin-bottom: 1rem;
  }
  
  .form-group input, .form-group textarea {
    padding: 10px;
    font-size: 16px;
  }
  
  .btn-submit {
    width: 100%;
    padding: 1rem;
  }

}

@media (max-width: 576px) {

  .contact-form-wrapper {
    margin: 1rem auto;
    padding: 0 0.5rem;
  }

  .form {
    font-size: 18px;
  }

}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.form-group.error input, .form-group.error textarea {
  animation: shake 0.3s ease-in-out;
  border-color: #dc3545;
}

.btn-submit.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-submit.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid transparent;
  border-top: 2px solid #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}