.contact-container {
  max-width: 600px;
  margin: 30px auto;
  padding: 30px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-container h1 {
  color: #2c3e50;
  text-align: center;
  margin-bottom: 25px;
  font-size: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #2c3e50;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #3498db;
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  margin-top: 10px;
}

.submit-btn:hover {
  background-color: #2980b9;
}

.error-message {
  color: #e74c3c;
  font-size: 14px;
  margin-top: 5px;
  display: none;
}

.back-link {
  display: inline-block;
  margin-top: 25px;
  color: #3498db;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: #2980b9;
  text-decoration: underline;
}

body.dark-mode {
  background-color: #2c3e50;
  color: #ecf0f1;
}

body.dark-mode .contact-container {
  background-color: #34495e;
  border: 1px solid #4a6278;
}

body.dark-mode h1,
body.dark-mode label {
  color: #ecf0f1;
}

body.dark-mode input,
body.dark-mode textarea {
  background-color: #2c3e50;
  color: #ecf0f1;
  border-color: #4a6278;
}

@media (max-width: 768px) {
  .contact-container {
    padding: 20px;
    margin: 15px;
  }

  body {
    padding: 10px;
  }
}