body {
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  margin: 0;
  background: #f5f7fa;
  color: #222;
}
header {
  background: #23272f;
  color: #fff;
  text-align: center;
  padding: 2rem 1rem 1rem 1rem;
}
header .avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  margin-bottom: 1rem;
  border: 3px solid #4f8cff;
}
header nav {
  margin-top: 1rem;
}
header nav a {
  color: #aee1ff;
  margin: 0 1rem;
  text-decoration: none;
  font-weight: 600;
}
header nav a:hover {
  text-decoration: underline;
}
main {
  max-width: 880px;
  margin: 2rem auto;
  padding: 0 1rem;
}
h1, h2, h3 {
  font-weight: 700;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px,1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}
.project-card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  padding: 1.5rem 1.25rem;
  transition: transform 0.15s;
  border-left: 6px solid #4f8cff;
}
.project-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 8px 24px rgba(0,0,0,0.10);
}
.project-card h3 {
  margin-top: 0;
  margin-bottom: .5rem;
}
.project-card p {
  margin: .5rem 0 1rem 0;
  color: #444;
}
.tag {
  background: #4f8cff;
  color: #fff;
  border-radius: 8px;
  padding: 0.2em 0.8em;
  font-size: 0.95em;
  margin-right: 0.5em;
  display: inline-block;
}
.license {
  display: inline-block;
  background: #eaf2fa;
  color: #3672a0;
  border-radius: 8px;
  padding: 0.2em 0.8em;
  font-size: 0.93em;
  margin-top: 0.7em;
}
.tags {
  margin: 0.8em 0 0 0;
}
.topic {
  background: #e2eaff;
  color: #3b5ea7;
  border-radius: 8px;
  padding: 0.18em 0.7em;
  font-size: 0.88em;
  margin-right: 0.4em;
  margin-bottom: 0.3em;
  display: inline-block;
}
footer {
  text-align: center;
  color: #888;
  padding: 2rem 1rem 1rem 1rem;
  margin-top: 2rem;
}