.contact {
  background: var(--bg-primary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-modern);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contact-details {
  flex: 1;
}

.contact-details h3 {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 1.125rem;
}

.contact-details h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.contact-details p {
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.contact-details a {
  color: var(--primary);
  transition: var(--transition);
  text-decoration: none;
}

.contact-details a:hover {
  color: var(--primary-dark);
}

.contact-form {
  background: var(--card-bg);
  padding: var(--space-2xl);
  border-radius: var(--radius-elegant);
  box-shadow: var(--shadow-lg);
  position: relative;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.contact-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-flowing);
}

.contact-form:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.form-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.form-header h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.form-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-group label {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  font-size: 0.875rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea,
.form-group select,
.form-input,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-asymmetric);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
  font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

.form-note {
  display: block;
  margin-top: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-flowing);
  text-align: left;
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
}

.form-note i {
  color: var(--primary);
  display: block;
  margin-bottom: var(--space-xs);
  font-size: 1.1rem;
  margin-left: 0;
}

.form-note p {
  margin: 0;
  text-align: left;
  font-size: 0.9rem;
  line-height: 1.4;
  margin-left: 0;
  padding-left: 0;
}

.footer {
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--black) 100%);
  color: var(--gray-300);
  padding: var(--space-2xl) 0 var(--space-md) 0;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
}

[data-theme="dark"] .footer {
  background: linear-gradient(135deg, var(--black) 0%, var(--gray-900) 100%);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  align-items: start;
  text-align: center;
}

.footer-section {
  display: flex;
  flex-direction: column;
}

.footer-brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-lg);
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.footer-logo .logo-text {
  color: var(--white);
}

[data-theme="light"] .footer-logo .logo-text {
  color: var(--black);
}

.footer-logo .logo-accent {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
  font-size: 0.95rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.footer-section h3 {
  color: var(--white);
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-social {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.footer-social .social-link {
  width: 40px;
  height: 40px;
  background: var(--gray-800);
  border: 2px solid var(--gray-700);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.footer-social-link {
  width: 48px;
  height: 48px;
  background: var(--gray-800);
  color: var(--gray-400);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.footer-social .social-link:hover,
.footer-social-link:hover {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  align-items: flex-start;
  text-align: left;
  margin: 0 auto;
  width: fit-content;
}

.footer-contact .contact-item {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--gray-400);
  font-size: 1rem;
  font-weight: 500;
  width: 100%;
  margin-bottom: 0.125rem;
}

.footer-contact .contact-item i {
  width: 20px;
  min-width: 20px;
  text-align: center;
  color: var(--primary);
  font-size: 1.1em;
  flex-shrink: 0;
}

.footer-contact .contact-item a {
  color: var(--gray-400);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 600;
  flex: 1;
}

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

[data-theme="light"] .footer-contact .contact-item,
[data-theme="light"] .footer-contact .contact-item a {
  color: #333;
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--space-md);
  margin-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  position: relative;
  text-align: center;
}

.footer-copyright {
  color: var(--gray-500);
  font-size: 0.875rem;
  font-weight: 500;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: var(--z-fixed);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.checkbox-group {
  margin: var(--space-lg) 0;
}

.checkbox-label {
  display: block;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.4;
  text-align: left;
  margin-bottom: var(--space-xs);
  position: relative;
  padding-left: 0;
}

.checkbox-label input[type="checkbox"] {
  position: relative;
  width: 18px;
  height: 18px;
  margin: 0 0 var(--space-xs) 0;
  display: block;
  appearance: none;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

.checkbox-label input[type="checkbox"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.2);
}

.checkbox-label:hover input[type="checkbox"] {
  border-color: var(--primary);
}

.checkmark {
  display: none;
}