:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-active: #1e40af;
  --color-secondary: #3b82f6;
  --color-white: #ffffff;
  --color-gray-50: #f8fafc;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --radius: 8px;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-gray-700);
}

.cta-section {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  padding: var(--spacing-12) var(--spacing-4);
  text-align: center;
}

.cta-container {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.cta-title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-gray-700);
  margin-bottom: var(--spacing-4);
  line-height: 1.3;
}

.cta-description {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  margin-bottom: var(--spacing-8);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  justify-content: center;
  align-items: center;
  margin-bottom: var(--spacing-6);
}

@media (min-width: 640px) {
  .cta-actions {
    flex-direction: row;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  min-width: 200px;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active {
  background-color: var(--color-primary-active);
  border-color: var(--color-primary-active);
  transform: translateY(0);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-secondary:active {
  background-color: var(--color-primary-active);
  border-color: var(--color-primary-active);
}

.cta-note {
  color: var(--color-gray-600);
  font-size: 0.875rem;
}

.cta-note small {
  font-weight: 400;
}