* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 2rem 1rem;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
}

main {
  padding: 2rem;
}

.success-message {
  background: #f0fdf4;
  border-left: 4px solid #22c55e;
  padding: 1.5rem;
  margin-bottom: 2rem;
  border-radius: 8px;
}

.success-message ul {
  margin-top: 1rem;
  margin-left: 1.5rem;
}

.success-message li {
  margin: 0.5rem 0;
  color: #166534;
}

.form-section h2 {
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.form-section > p {
  color: #6b7280;
  margin-bottom: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.5rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
}

.form-group input[type="file"] {
  width: 100%;
  padding: 0.5rem;
  border: 2px dashed #e5e7eb;
  border-radius: 8px;
  cursor: pointer;
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  color: #6b7280;
  font-size: 0.875rem;
}

.form-group input[type="checkbox"] {
  margin-right: 0.5rem;
}

.submit-btn {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.success-alert,
.error-alert {
  padding: 1.5rem;
  border-radius: 8px;
  margin-top: 2rem;
}

.success-alert {
  background: #f0fdf4;
  border: 2px solid #22c55e;
  color: #166534;
}

.error-alert {
  background: #fef2f2;
  border: 2px solid #ef4444;
  color: #991b1b;
}

.success-alert h3,
.error-alert h3 {
  margin-bottom: 0.5rem;
}

footer {
  background: #f9fafb;
  padding: 1.5rem;
  text-align: center;
  color: #6b7280;
  font-size: 0.875rem;
}

@media (max-width: 640px) {
  header h1 {
    font-size: 2rem;
  }
  
  main {
    padding: 1.5rem;
  }
}