/* Enhanced Contact Form Styles */

/* Modern Form Input Styling */
.form-input,
.form-textarea,
.form-select {
  padding: var(--spacing-lg);
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-normal);
  position: relative;
  backdrop-filter: blur(10px);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  background: var(--bg-primary);
  transform: translateY(-2px);
}

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--border-secondary);
  background: var(--bg-primary);
}

/* Enhanced Textarea Styling */
.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
  font-family: inherit;
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 2px solid var(--border-primary);
  transition: all var(--transition-normal);
  position: relative;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  background: var(--bg-primary);
  transform: translateY(-2px);
}

.form-textarea:hover {
  border-color: var(--border-secondary);
  background: var(--bg-primary);
}

/* Enhanced Select Dropdown Styling */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-md) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 3rem;
  cursor: pointer;
  position: relative;
}

.form-select:focus {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236366f1' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

.form-select option {
  padding: var(--spacing-md);
  background: var(--bg-card);
  color: var(--text-primary);
  border: none;
}

/* Form Label Enhancement */
.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
}

.form-label::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.form-group:focus-within .form-label::after {
  width: 100%;
}

/* Character Count Enhancement */
.character-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-primary);
  transition: var(--transition-fast);
}

.form-textarea:focus + .character-count {
  background: var(--bg-primary);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* Enhanced Checkbox Styling */
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1.6;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  transition: var(--transition-fast);
  position: relative;
}

.checkbox-label:hover {
  background: var(--bg-secondary);
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border-primary);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  position: relative;
  flex-shrink: 0;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--gradient-primary);
  border-color: var(--primary-color);
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 7px;
  top: 3px;
  width: 6px;
  height: 12px;
  border: solid var(--text-inverse);
  border-width: 0 3px 3px 0;
  transform: rotate(45deg);
  animation: checkmarkAppear 0.3s ease-out;
}

@keyframes checkmarkAppear {
  0% {
    opacity: 0;
    transform: rotate(45deg) scale(0);
  }
  50% {
    opacity: 1;
    transform: rotate(45deg) scale(1.2);
  }
  100% {
    opacity: 1;
    transform: rotate(45deg) scale(1);
  }
}

.checkbox-text {
  color: var(--text-secondary);
  flex: 1;
}

.checkbox-text a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition-fast);
}

.checkbox-text a:hover {
  text-decoration: underline;
  color: var(--primary-hover);
}

/* Form Group Enhancement */
.form-group {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.form-group::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-primary);
  opacity: 0;
  border-radius: var(--radius-xl);
  transition: opacity var(--transition-normal);
  z-index: -1;
}

.form-group:focus-within::before {
  opacity: 0.05;
}

/* Form Row Enhancement */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

/* Form Actions Enhancement */
.form-actions {
  margin-top: var(--spacing-2xl);
  text-align: center;
}

.form-actions .btn {
  position: relative;
  overflow: hidden;
  min-width: 200px;
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-actions .btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-normal);
}

.form-actions .btn:hover::before {
  left: 100%;
}

/* Error States */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error-color);
  background: rgba(239, 68, 68, 0.05);
  animation: shake 0.5s ease-in-out;
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

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

/* Success States */
.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--success-color);
  background: rgba(16, 185, 129, 0.05);
}

.form-input.success:focus,
.form-textarea.success:focus,
.form-select.success:focus {
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* Loading States */
.form-group.loading .form-input,
.form-group.loading .form-textarea,
.form-group.loading .form-select {
  position: relative;
  color: transparent;
}

.form-group.loading .form-input::after,
.form-group.loading .form-textarea::after,
.form-group.loading .form-select::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-primary);
  border-top: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .form-input,
  .form-textarea,
  .form-select {
    padding: var(--spacing-md);
    font-size: 16px; /* Prevent zoom on iOS */
  }
  
  .form-textarea {
    min-height: 120px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .form-label {
    font-size: 0.8rem;
  }
  
  .checkmark {
    width: 20px;
    height: 20px;
  }
  
  .checkbox-label {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .form-input,
  .form-textarea,
  .form-select {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .form-textarea {
    min-height: 100px;
  }
  
  .form-actions .btn {
    min-width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  .form-input,
  .form-textarea,
  .form-select {
    min-height: 44px;
    padding: var(--spacing-md);
  }
  
  .form-textarea {
    min-height: 120px;
  }
  
  .checkmark {
    min-width: 44px;
    min-height: 44px;
  }
  
  .checkbox-label {
    min-height: 44px;
    align-items: center;
  }
}

/* Dark theme enhancements */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-textarea,
[data-theme="dark"] .form-select {
  background: var(--bg-card);
  border-color: var(--border-primary);
}

[data-theme="dark"] .form-input:focus,
[data-theme="dark"] .form-textarea:focus,
[data-theme="dark"] .form-select:focus {
  background: var(--bg-primary);
  border-color: var(--primary-color);
}

[data-theme="dark"] .character-count {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
}

/* Form Error Messages */
.form-error {
  color: var(--error-color);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-sm);
  animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Success Messages */
.form-success {
  color: var(--success-color);
  font-size: 0.75rem;
  margin-top: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  animation: slideInDown 0.3s ease-out;
}

/* Enhanced Form Section */
.contact-form-section {
  position: relative;
  overflow: hidden;
}

.contact-form-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.contact-form-section:hover::before {
  opacity: 1;
}

/* Form Header Enhancement */
.form-header {
  position: relative;
  margin-bottom: var(--spacing-3xl);
}

.form-header::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* Enhanced Button Styling */
.form-actions .btn {
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  border: none;
  color: var(--text-inverse);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.form-actions .btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.form-actions .btn:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.form-actions .btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--shadow-md);
}

/* Spinner for loading state */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid var(--text-inverse);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-right: var(--spacing-sm);
}

.spinner-small {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

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

/* Animation for form elements */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-group {
  animation: slideInUp 0.6s ease-out;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }
.form-group:nth-child(6) { animation-delay: 0.6s; }

/* Floating Label Effect */
.form-group {
  position: relative;
}

.form-label {
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
}

.form-input:focus + .form-label,
.form-textarea:focus + .form-label,
.form-select:focus + .form-label {
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* Enhanced Placeholder Styling */
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.form-input:focus::placeholder,
.form-textarea:focus::placeholder {
  opacity: 0.5;
}

/* Form Validation States */
.form-group.valid .form-input,
.form-group.valid .form-textarea,
.form-group.valid .form-select {
  border-color: var(--success-color);
  background: rgba(16, 185, 129, 0.05);
}

.form-group.invalid .form-input,
.form-group.invalid .form-textarea,
.form-group.invalid .form-select {
  border-color: var(--error-color);
  background: rgba(239, 68, 68, 0.05);
  animation: shake 0.5s ease-in-out;
}

/* Enhanced Focus States */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  background: var(--bg-primary);
  transform: translateY(-2px);
}

/* Improved Mobile Experience */
@media (max-width: 768px) {
  .form-actions .btn {
    width: 100%;
    padding: var(--spacing-lg);
  }
  
  .form-error,
  .form-success {
    font-size: 0.7rem;
    padding: var(--spacing-xs);
  }
}

/* Accessibility Improvements */
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.checkbox-label:focus-within {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  border-radius: var(--radius-md);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .form-input,
  .form-textarea,
  .form-select {
    border-width: 3px;
  }
  
  .form-input:focus,
  .form-textarea:focus,
  .form-select:focus {
    border-width: 4px;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .form-group {
    animation: none;
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    transition: none;
  }
  
  .form-actions .btn {
    transition: none;
  }
}