<div class="contact-form-container">
  <div class="form-header">
    <h2>Get In Touch</h2>
    <p>We'd love to hear from you. Send us a message and we'll respond as soon as possible.</p>
  </div>
  
  <form class="contact-form" id="contactForm">
    <div class="form-row">
      <div class="form-group">
        <input type="text" id="firstName" name="firstName" required>
        <label for="firstName">First Name</label>
        <span class="form-line"></span>
      </div>
      
      <div class="form-group">
        <input type="text" id="lastName" name="lastName" required>
        <label for="lastName">Last Name</label>
        <span class="form-line"></span>
      </div>
    </div>
    
    <div class="form-group">
      <input type="email" id="email" name="email" required>
      <label for="email">Email Address</label>
      <span class="form-line"></span>
      <span class="error-message" id="emailError"></span>
    </div>
    
    <div class="form-group">
      <input type="tel" id="phone" name="phone">
      <label for="phone">Phone Number (Optional)</label>
      <span class="form-line"></span>
    </div>
    
    <div class="form-group">
      <select id="subject" name="subject" required>
        <option value=""></option>
        <option value="general">General Inquiry</option>
        <option value="support">Support</option>
        <option value="business">Business Partnership</option>
        <option value="other">Other</option>
      </select>
      <label for="subject">Subject</label>
      <span class="form-line"></span>
    </div>
    
    <div class="form-group">
      <textarea id="message" name="message" rows="5" required></textarea>
      <label for="message">Message</label>
      <span class="form-line"></span>
    </div>
    
    <div class="form-group checkbox-group">
      <input type="checkbox" id="newsletter" name="newsletter">
      <label for="newsletter" class="checkbox-label">
        <span class="checkbox-custom"></span>
        Subscribe to our newsletter for updates
      </label>
    </div>
    
    <button type="submit" class="submit-btn">
      <span class="btn-text">Send Message</span>
      <span class="btn-loader">
        <span class="spinner"></span>
      </span>
    </button>
  </form>
</div>
     .contact-form-container {
  max-width: 600px;
  margin: 0 auto;
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}
.form-header {
  text-align: center;
  margin-bottom: 40px;
}
.form-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #333;
  margin: 0 0 15px 0;
}
.form-header p {
  color: #666;
  font-size: 1.1rem;
  line-height: 1.6;
  margin: 0;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  position: relative;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 15px 0 10px 0;
  border: none;
  border-bottom: 2px solid #e1e5e9;
  background: transparent;
  font-size: 16px;
  color: #333;
  transition: all 0.3s ease;
  outline: none;
  font-family: inherit;
}
.form-group label {
  position: absolute;
  top: 15px;
  left: 0;
  color: #999;
  font-size: 16px;
  pointer-events: none;
  transition: all 0.3s ease;
}
.form-group input:focus + label,
.form-group input:valid + label,
.form-group select:focus + label,
.form-group select:valid + label,
.form-group textarea:focus + label,
.form-group textarea:valid + label {
  top: -5px;
  font-size: 12px;
  color: #667eea;
  font-weight: 600;
}
.form-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  transition: width 0.3s ease;
}
.form-group input:focus ~ .form-line,
.form-group select:focus ~ .form-line,
.form-group textarea:focus ~ .form-line {
  width: 100%;
}
.form-group select {
  cursor: pointer;
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 15px;
}
.checkbox-group input[type="checkbox"] {
  display: none;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
  color: #666;
  position: static;
}
.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid #ddd;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
}
.checkbox-custom::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  color: white;
  font-size: 12px;
  font-weight: bold;
  transition: transform 0.2s ease;
}
.checkbox-group input[type="checkbox"]:checked + .checkbox-label .checkbox-custom {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: #667eea;
}
.checkbox-group input[type="checkbox"]:checked + .checkbox-label .checkbox-custom::after {
  transform: translate(-50%, -50%) scale(1);
}
.submit-btn {
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  padding: 18px 40px;
  border-radius: 50px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  overflow: hidden;
  margin-top: 20px;
}
.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}
.btn-text {
  transition: opacity 0.3s ease;
}
.btn-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.submit-btn.loading .btn-text {
  opacity: 0;
}
.submit-btn.loading .btn-loader {
  opacity: 1;
}
.error-message {
  position: absolute;
  bottom: -20px;
  left: 0;
  color: #e74c3c;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.form-group.error input {
  border-bottom-color: #e74c3c;
}
.form-group.error .error-message {
  opacity: 1;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
/* Success state */
.form-success {
  text-align: center;
  padding: 40px;
  color: #27ae60;
}
.form-success h3 {
  font-size: 1.5rem;
  margin: 0 0 15px 0;
}
.form-success p {
  color: #666;
  margin: 0;
}
/* Responsive */
@media (max-width: 768px) {
  .contact-form-container {
    padding: 30px 20px;
    margin: 20px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  
  .form-header h2 {
    font-size: 1.75rem;
  }
}
     document.addEventListener('DOMContentLoaded', function() {
  const form = document.getElementById('contactForm');
  const submitBtn = form.querySelector('.submit-btn');
  const inputs = form.querySelectorAll('input, select, textarea');
  
  // Form validation
  function validateEmail(email) {
    const re = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
    return re.test(email);
  }
  
  function showError(input, message) {
    const formGroup = input.closest('.form-group');
    const errorElement = formGroup.querySelector('.error-message');
    
    formGroup.classList.add('error');
    if (errorElement) {
      errorElement.textContent = message;
    }
  }
  
  function clearError(input) {
    const formGroup = input.closest('.form-group');
    formGroup.classList.remove('error');
  }
  
  // Real-time validation
  inputs.forEach(input => {
    input.addEventListener('blur', function() {
      validateField(this);
    });
    
    input.addEventListener('input', function() {
      clearError(this);
    });
  });
  
  function validateField(field) {
    const value = field.value.trim();
    
    if (field.hasAttribute('required') && !value) {
      showError(field, 'This field is required');
      return false;
    }
    
    if (field.type === 'email' && value && !validateEmail(value)) {
      showError(field, 'Please enter a valid email address');
      return false;
    }
    
    clearError(field);
    return true;
  }
  
  // Form submission
  form.addEventListener('submit', function(e) {
    e.preventDefault();
    
    // Validate all fields
    let isValid = true;
    inputs.forEach(input => {
      if (!validateField(input)) {
        isValid = false;
      }
    });
    
    if (!isValid) {
      return;
    }
    
    // Show loading state
    submitBtn.classList.add('loading');
    
    // Simulate form submission
    setTimeout(() => {
      submitBtn.classList.remove('loading');
      showSuccessMessage();
    }, 2000);
  });
  
  function showSuccessMessage() {
    const container = document.querySelector('.contact-form-container');
    container.innerHTML = `
      <div class="form-success">
        <div style="font-size: 4rem; margin-bottom: 20px;">✅</div>
        <h3>Message Sent Successfully!</h3>
        <p>Thank you for contacting us. We'll get back to you within 24 hours.</p>
        <button onclick="location.reload()" style="
          margin-top: 30px;
          background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
          color: white;
          border: none;
          padding: 12px 24px;
          border-radius: 25px;
          cursor: pointer;
          font-weight: 600;
        ">Send Another Message</button>
      </div>
    `;
  }
  
  // Enhanced interactions
  inputs.forEach(input => {
    // Add focus animations
    input.addEventListener('focus', function() {
      this.closest('.form-group').classList.add('focused');
    });
    
    input.addEventListener('blur', function() {
      this.closest('.form-group').classList.remove('focused');
    });
  });
  
  // Add some CSS for focus state
  const focusStyles = `
    .form-group.focused {
      transform: translateY(-2px);
    }
    
    .form-group {
      transition: transform 0.2s ease;
    }
  `;
  
  const styleSheet = document.createElement('style');
  styleSheet.textContent = focusStyles;
  document.head.appendChild(styleSheet);
});