body {
  font-family: system-ui, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #111;
}

header {
  padding: 2rem;
  background: #f4f4f4;
  border-bottom: 1px solid #ddd;
  text-align: center;
}

.logo {
  max-width: 180px;
  margin-bottom: 1rem;
}

main {
  max-width: 900px;
  margin: auto;
  padding: 2rem;
}

h1, h2 {
  line-height: 1.25;
}

.subtitle {
  color: #555;
}

section {
  margin-bottom: 2.5rem;
}

.doc-list {
  list-style: none;
  padding-left: 0;
}

.doc-list li {
  margin-bottom: 0.5rem;
}

.doc-list a {
  text-decoration: none;
  color: #1f2937;
}

.doc-list a:hover {
  text-decoration: underline;
}

.placeholder {
  color: #666;
  font-style: italic;
}

footer {
  border-top: 1px solid #ddd;
  padding: 1rem 2rem;
  font-size: 0.9rem;
  color: #555;
}