body {
  font-family: 'Georgia', serif;
  background-color: #f8f9f6;
  color: #2e2e2e;
  margin: 0;
  padding: 0;
}
.site-header {
  background-color: #e5ede6;
  padding: 1.5rem 2rem;
  text-align: center;
  border-bottom: 1px solid #ccc;
}
.site-header h1 {
  margin: 0;
  font-size: 2.2rem;
  color: #425c4e;
}
.site-nav {
  margin-top: 0.5rem;
}
.site-nav a {
  color: #5a7d6c;
  margin: 0 12px;
  text-decoration: none;
  font-weight: bold;
}
.site-subtitle {
  background-color: #f1f5f2;
  text-align: center;
  padding: 1.25rem;
  font-size: 1.1rem;
  color: #4a4a4a;
}
.content {
  max-width: 880px;
  margin: auto;
  padding: 2rem;
  line-height: 1.7;
}
.download-btn, .cta-card-btn {
  display: inline-block;
  background-color: #6ca087;
  color: #fff;
  padding: 0.75rem 1.2rem;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  margin: 0.75rem 0;
  transition: background-color 0.3s ease;
}
.download-btn:hover, .cta-card-btn:hover {
  background-color: #578f73;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  background: #fff;
  padding: 1.5rem;
  border: 1px solid #ddd;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.card h3 {
  margin-top: 0;
  color: #3d5246;
}
.card blockquote {
  color: #777;
  font-style: italic;
  font-size: 0.9rem;
}
.site-footer {
  text-align: center;
  font-size: 0.95rem;
  background-color: #edf1ec;
  color: #555;
  padding: 2rem 1rem;
  margin-top: 3rem;
}