body {
  font: 17px '-apple-system', BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  letter-spacing: 0.015rem;
  color: #222;
  margin: 0;
  padding: 0;
  background: #fff;
}

header {
  background: #f8f8f8;
  padding: 1em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.logo {
  display: flex;
  align-items: center;
  font-size: 1.5em;
  font-weight: bold;
  color: #222;
  text-decoration: none;
}

.logo svg {
  height: 32px;
  width: 32px;
  margin-right: 0.5em;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1em;
}

nav a {
  text-decoration: none;
  color: #222;
  font-weight: bold;
}

nav a:hover {
  text-decoration: underline;
}

main {
  padding: 2em;
}

footer {
  background: #f8f8f8;
  padding: 1em;
  text-align: center;
  font-size: 0.9em;
  color: #555;
  border-top: 1px solid #e0e0e0;
  margin-top: 2em;
}

.faq {
  margin-top: 2em;
}

.faq details {
  margin-bottom: 0.75em;
  padding: 0.5em 1em;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  background: #f9f9f9;
}

.faq summary {
  font-weight: bold;
  cursor: pointer;
}

code {
  font-family: "Courier New", Courier, monospace;
  color: #0f0;
  background: #000;
  padding: 0.2em 0.4em;
  border-radius: 4px;
}

pre code {
  display: block;
  padding: 1em;
}