body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  background-color: #f9f9f9;
}
header {
  text-align: center;
  margin-bottom: 3rem;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: #111;
}
.bio {
  font-size: 1.2rem;
  color: #555;
}
section {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  margin-bottom: 2rem;
}
h2 {
  border-bottom: 2px solid #eee;
  padding-bottom: 0.5rem;
  margin-top: 0;
}
ul {
  padding-left: 20px;
}
li {
  margin-bottom: 0.5rem;
}
a {
  color: #0366d6;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
.project-card {
  margin-bottom: 1.5rem;
}
.project-card h3 {
  margin: 0 0 0.5rem 0;
}
.project-card p {
  margin: 0;
  color: #666;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.tag {
  background: #eee;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #333;
}
.tag:hover {
  background: #ddd;
  text-decoration: none;
}