:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border-color: #e2e8f0;
  --success-bg: #dcfce7;
  --success-text: #166534;
  --error-bg: #fee2e2;
  --error-text: #991b1b;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  margin: 0;
  padding: 2rem 1rem;
}

.container {
  max-width: 680px;
  margin: 0 auto;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.badge {
  display: inline-block;
  background-color: #e0e7ff;
  color: #3730a3;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.85rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.benefits-list {
  padding-left: 1.25rem;
  margin: 1.5rem 0;
}

.benefits-list li {
  margin-bottom: 0.75rem;
}

.cta-section {
  background-color: #f1f5f9;
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  margin: 2rem 0;
}

.btn {
  display: inline-block;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
}

.btn-secondary {
  background-color: #334155;
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #1e293b;
}

.divider {
  border: 0;
  height: 1px;
  background: var(--border-color);
  margin: 2rem 0;
}

.form-group {
  margin-bottom: 1rem;
}

input[type="email"] {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  box-sizing: border-box;
}

.consent-group {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.feedback-msg {
  margin-top: 1rem;
  padding: 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
}

.feedback-msg.success {
  background-color: var(--success-bg);
  color: var(--success-text);
}

.feedback-msg.error {
  background-color: var(--error-bg);
  color: var(--error-text);
}

.footer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2rem;
  padding: 1rem 0;
}

.footer a {
  color: var(--primary);
}