:root {
  --background: #faf8f5;
  --surface: #ffffff;
  --primary: #4a9c6d;
  --primary-dark: #3d8259;
  --accent: #eab308;
  --text-primary: #2d2d2d;
  --text-secondary: #6b6b6b;
  --text-tertiary: #9ca3af;
  --border: #e5e5e5;
  --divider: #f0eeeb;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--background);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--divider);
  background: var(--surface);
}

.site-header-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 17px;
}

.brand:hover {
  color: var(--text-primary);
  text-decoration: none;
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: block;
}

.site-nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.site-nav a {
  color: var(--text-secondary);
  font-weight: 500;
}

.site-nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

/* Main */
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.last-updated {
  font-size: 13px;
  color: var(--text-tertiary);
  margin: 0 0 12px;
}

.card {
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--border);
}

.card > * + * {
  margin-top: 12px;
}

.card h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 0;
  line-height: 1.3;
}

.card h2 {
  font-size: 16px;
  font-weight: 600;
  margin: 16px 0 0;
  line-height: 1.4;
}

.card p {
  font-size: 15px;
  line-height: 1.55;
  margin: 0;
  color: var(--text-primary);
}

.card ul {
  margin: 0;
  padding-left: 20px;
}

.card ul li {
  font-size: 15px;
  line-height: 1.55;
  margin: 4px 0;
}

.card ul li + li {
  margin-top: 6px;
}

/* Landing page */
.hero {
  text-align: center;
  padding: 48px 0 32px;
}

.hero-icon {
  width: 88px;
  height: 88px;
  border-radius: 20px;
  margin: 0 auto 20px;
  display: block;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.hero h1 {
  font-size: 40px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero .tagline {
  font-size: 18px;
  color: var(--text-secondary);
  margin: 0 auto;
  max-width: 520px;
  line-height: 1.5;
}

.store-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 28px 0 0;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 40px 0 0;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.feature h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
}

.feature p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--divider);
  background: var(--surface);
  margin-top: 48px;
}

.site-footer-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  justify-content: center;
}

.footer-links a {
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-links a:hover {
  color: var(--primary);
  text-decoration: none;
}

.footer-copy {
  color: var(--text-tertiary);
  font-size: 13px;
}

@media (max-width: 520px) {
  .site-nav {
    gap: 12px;
    font-size: 13px;
  }

  .hero {
    padding: 32px 0 24px;
  }

  .hero h1 {
    font-size: 32px;
  }

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

  .card {
    padding: 18px;
  }

  .card h1 {
    font-size: 22px;
  }
}