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

:root {
  --primary: #5B6EF5;
  --primary-dark: #4A5AE0;
  --bg: #F5F6FA;
  --surface: #FFFFFF;
  --text: #1A1A2E;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --border: #E5E7EB;
  --radius: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Navigation */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 24px;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
}

/* Main Content */
main {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 80px 0 60px;
}

.hero-badge {
  display: inline-block;
  background: rgba(91, 110, 245, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(91, 110, 245, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(91, 110, 245, 0.45);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

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

/* Features */
.features {
  padding: 60px 0;
}

.features h2,
.how-it-works h2,
.cta h2 {
  font-size: 32px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--surface);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.feature-icon {
  font-size: 32px;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* How It Works */
.how-it-works {
  padding: 60px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.step {
  text-align: center;
  padding: 32px 24px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.step-number {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: white;
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* CTA */
.cta {
  text-align: center;
  padding: 60px 0 80px;
}

.cta p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 28px;
}

/* Page Content (Privacy, Support) */
.page-content {
  padding: 48px 0 80px;
}

.page-content h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.last-updated,
.page-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 36px;
}

.page-content section {
  background: var(--surface);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.page-content section h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
}

.page-content section h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 16px 0 6px;
}

.page-content section h3:first-of-type {
  margin-top: 0;
}

.page-content section p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-content section ul {
  padding-left: 20px;
  margin-top: 8px;
}

.page-content section li {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.page-content a {
  color: var(--primary);
  text-decoration: none;
}

.page-content a:hover {
  text-decoration: underline;
}

.email-link {
  font-size: 18px;
  font-weight: 600;
}

/* FAQ items */
.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-item:first-child {
  padding-top: 0;
}

.faq-item h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.faq-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 28px 24px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  margin-bottom: 14px;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13px;
}

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

.copyright {
  font-size: 12px;
  color: var(--text-muted);
}

/* Mobile */
@media (max-width: 640px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .features h2,
  .how-it-works h2,
  .cta h2 {
    font-size: 26px;
  }

  .page-content h1 {
    font-size: 28px;
  }
}