/* Minimal, readable defaults */
main, header, footer { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
.navbar { border-bottom: 1px solid #e5e7eb; }
.quarto-title-banner { display: none; }
.btn-primary, a.btn, .btn {
  border-radius: 9999px;
  padding: 0.5rem 1rem;
}
.hero {
  padding: 3rem 0;
}
.hero h1 { font-size: 2.2rem; margin-bottom: .5rem; }
.hero p { font-size: 1.1rem; color: #444; }
.card {
  border: 1px solid #eee; border-radius: 12px; padding: 1rem; margin-bottom: 1rem;
}