:root {
  --blue: #3478F6;
  --blue-light: rgba(52, 120, 246, 0.08);
  --text: #1a1a1a;
  --text-secondary: #6b6b6b;
  --bg: #ffffff;
  --card-bg: #f5f5f7;
  --border: rgba(0, 0, 0, 0.06);
  --radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

/* Nav */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.nav-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--blue);
}

.nav-cta {
  text-decoration: none;
  transition: opacity 0.15s;
}

.nav-link {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-cta:hover {
  opacity: 0.8;
}

.nav-badge {
  height: 32px;
}

/* Hero */

.hero {
  text-align: center;
  padding: 80px 24px 60px;
  max-width: 600px;
  margin: 0 auto;
}

.hero-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 32px;
  position: relative;
}

.hero-icon img {
  width: 100%;
  height: 100%;
  border-radius: 22px;
}

.hero-icon.small {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
}

.hero-icon.small img {
  border-radius: 18px;
}

.dot {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  background: #FF9500;
  border-radius: 50%;
  border: 3px solid var(--bg);
}

.card-final .dot {
  border-color: var(--card-bg);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.accent {
  color: var(--blue);
}

.hero-sub {
  margin-top: 16px;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.cta {
  display: inline-block;
  margin-top: 32px;
  text-decoration: none;
  transition: opacity 0.15s;
}

.cta:hover {
  opacity: 0.8;
}

.app-store-badge {
  height: 48px;
}

/* Features */

.features {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.features-header {
  text-align: center;
  margin-bottom: 40px;
}

.features-header h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.features-header p {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
}

.feature-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--blue-light);
  border-radius: 12px;
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Final CTA */

.final-cta {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px;
}

.card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.card-final {
  text-align: center;
  padding: 48px 32px;
}

.card-final h2 {
  font-size: 2rem;
}

/* Policy */

.policy {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 80px;
}

.policy-header {
  margin-bottom: 48px;
}

.policy-kicker {
  color: var(--blue);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.policy-updated {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 16px;
}

.policy-section {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.policy-section h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.policy-section p,
.policy-section li {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

.policy-section p + p {
  margin-top: 12px;
}

.policy-section ul {
  margin: 8px 0 0 20px;
}

.policy-section li + li {
  margin-top: 6px;
}

/* Footer */

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 40px;
}

.footer a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

/* Mobile */

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }

  .hero {
    padding: 60px 20px 48px;
  }

  .hero-sub br {
    display: none;
  }

  .features {
    padding: 0 16px 60px;
  }

  .card {
    padding: 24px;
  }

  .card-final {
    padding: 36px 24px;
  }

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

  .features-header h2 {
    font-size: 1.6rem;
  }

  .policy {
    padding: 48px 20px 64px;
  }

  .policy-header {
    margin-bottom: 36px;
  }

  .card h2 {
    font-size: 1.3rem;
  }

  .card-final h2 {
    font-size: 1.7rem;
  }
}