/* style.css */

body {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  max-width: 850px;
  margin: 0 auto;
  padding: 2em;
  background-color: #fdfdfd;
  color: #333;
  line-height: 1.6;
}

header {
  border-bottom: 3px solid #007acc;
  margin-bottom: 2em;
  padding-bottom: 0.1em;
}

h1 {
  margin-top: 1rem;
  color: #003366; /* Deep navy */
  font-family: 'Georgia', serif;
}

h2 {
  color: #007acc;
  font-family: 'Georgia', serif;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  margin: 0.25em 0 0.25em 0;
}

nav a {
  text-decoration: none;
  color: #007acc;
  font-weight: bold;
  font-size: 1.1em;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.2s;
}

nav a:hover {
  background-color: #e6f4ff;
}

section {
  margin-bottom: 2em;
  background-color: #ffffff;
  padding: 0.5em 1.5em 0.5em 1.5em;
  border-left: 5px solid #007acc;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

ul li {
  margin-bottom: 0.5em;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Code block (for BibTeX) */
pre {
  background: #f8f8f8;
  padding: 1em;
  border-left: 4px solid #007acc;
  overflow-x: auto;
  font-family: Consolas, Monaco, 'Courier New', monospace;
  font-size: 0.9em;
}

.button {
  display: inline-block;
  background-color: #007acc;
  color: white;
  padding: 10px 16px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.2s;
}

.button:hover {
  background-color: #005f99;
}

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

ul.icon-list li {
  margin-bottom: 0.5em;
}

/* Responsive design */
@media (max-width: 600px) {
  nav ul {
    flex-direction: column;
  }

  body {
    padding: 1em;
  }

  img {
    float: none !important;
    display: block;
    margin: 0 auto 1em auto;
  }
}