* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: Arial, sans-serif;
  display: flex;
  min-height: 100vh;
}
/* Sidebar Styles */
nav {
  width: 250px;
  background-color: #CD7F32;
  color: #fff;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 20px;
}
nav h2 {
  margin-bottom: 20px;
  font-size: 20px;
  border-bottom: 2px solid #fff;
  padding-bottom: 10px;
}
nav a {
  display: block;
  color: #ddd;
  text-decoration: none;
  margin: 10px 0;
  transition: color 0.2s ease-in-out;
}
nav a:hover {
  color: #00bcd4;
}
/* Main Content Styles */
main {
  flex: 1;
  padding: 40px;
  background-color: #f4f4f9;
}
main section {
  margin-bottom: 50px;
}
main h2 {
  color: #333;
  margin-bottom: 10px;
}
main p {
  line-height: 1.6;
  color: #555;
}
main ul, main li {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #555;
  margin-left: 10px;
}
main p.code {
  padding-left: 10px;
  border-left: 1px solid #000;
  white-space: pre;
  line-height: 1.1;
}
/* Responsive Design */
@media (max-width: 768px) {
  body {
    flex-direction: column;
  }
  nav {
    width: 100%;
    height: auto;
    position: relative;
  }
  main {
    padding: 20px;
  }
}