body {
  font-family: Helvetica, sans-serif;
  background-color: #fefefe;
  color: #333;
  padding: 40px 20px;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: auto;
}

img.headshot {
  border-radius: 100px;
  margin-bottom: 20px;
}

a {
  color: #990000;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.navbar {
  position: sticky;
  top: 0;
  background: white;
  padding: 10px 0;
  text-align: center;
  border-bottom: 1px solid #ddd;
  z-index: 1000;
}

/* Collapsible Sections */
details {
  border: 1px solid #ccc;
  border-radius: 10px;
  padding: 10px 15px;
  margin-bottom: 20px;
  background-color: #f9f9f9;
  transition: all 0.3s ease;
}

summary {
  font-weight: bold;
  cursor: pointer;
  font-size: 1.2rem;
}

summary h2 {
  display: inline;
}

details[open] {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Back to Top Button */
#topBtn {
  display: none;
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
  font-size: 24px;
  background-color: #990000;
  color: white;
  border: none;
  border-radius: 50%;
  padding: 12px 16px;
  cursor: pointer;
  box-shadow: 0 4px 6px rgba(0,0,0,0.2);
  transition: opacity 0.3s ease;
}

#topBtn:hover {
  background-color: #cc0000;
}