/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Typography */
body {
  font-family: 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
}
h1, h2 {
  color: #212529;
  margin-bottom: 0.5em;
}
p {
  margin-bottom: 1em;
  color: #495057;
}
ul {
  margin: 1em 0;
  padding-left: 1.2em;
}
ul li.list {
  margin-bottom: 0.5em;
  list-style-type: disc;
}

/* Layout Container */
.container {
  max-width: 960px;
  width: 90%;
  margin: 0 auto;
  padding: 20px 0;
}

/* Header */
header.container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  background-color: #fff;
  border-bottom: 1px solid #dee2e6;
}
header .logo {
  font-size: 1.8rem;
  font-weight: bold;
  color: #007bff;
}
header nav a {
  margin-left: 20px;
  font-size: 1rem;
  color: #007bff;
  text-decoration: none;
  transition: color 0.2s ease;
}
header nav a:hover {
  color: #0056b3;
}

/* Main Content */
main.container {
  background-color: #fff;
  padding: 40px 20px;
  margin: 20px auto;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
section#content h1 {
  font-size: 2rem;
  margin-bottom: 0.75em;
}
section#content h2 {
  font-size: 1.4rem;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  color: #343a40;
}

/* Footer */
footer.container {
  text-align: center;
  padding: 20px 0;
  font-size: 0.9rem;
  color: #6c757d;
}
footer .footer-links a {
  color: #6c757d;
  text-decoration: none;
  margin: 0 5px;
  transition: color 0.2s ease;
}
footer .footer-links a:hover {
  color: #343a40;
}

/* Responsive */
@media (max-width: 768px) {
  header.container {
    flex-direction: column;
    text-align: center;
  }
  header nav {
    margin-top: 10px;
  }
  header nav a {
    margin: 0 10px;
  }
}