:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --background-color: #ecf0f1;
  --warning-color: #e74c3c;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--background-color);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.container {
  background-color: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 600px;
}

h1, h2 {
  color: var(--secondary-color);
  text-align: center;
  margin-bottom: 1.5rem;
}

.signup-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: 0.5rem;
  color: var(--secondary-color);
  font-weight: bold;
}

input, select, textarea {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

textarea {
  height: 100px;
}

.radio-group {
  display: flex;
  gap: 1rem;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: normal;
}

.warning {
  color: var(--warning-color);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

button {
  background-color: var(--primary-color);
  color: white;
  padding: 0.75rem;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2980b9;
}

button:disabled {
  background-color: #bdc3c7;
  cursor: not-allowed;
}

.company-info {
  border-top: 1px solid #ccc;
  margin-top: 1rem;
  padding-top: 1rem;
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.full-width {
  grid-column: 1 / -1;
}

.additional-links {
  display: flex;
  justify-content: space-between;
  margin-top: 1rem;
}

.additional-links a {
  color: var(--primary-color);
  text-decoration: none;
  font-size: 0.9rem;
}

.additional-links a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  input, select, textarea, button {
    font-size: 0.9rem;
  }

  .company-grid {
    grid-template-columns: 1fr;
  }
}