body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  background: #f5f5f5;
  color: #333;
}

header {
  background: #222;
  color: white;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 1.5em;
}

nav a {
  color: #ccc;
  margin: 0 10px;
  text-decoration: none;
}

nav a:hover, nav a.active {
  color: white;
  border-bottom: 2px solid #4CAF50;
}

main {
  max-width: 800px;
  margin: 30px auto;
  padding: 20px;
  background: white;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.profile-photo {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 20px;
}

.intro {
  display: flex;
  align-items: center;
  gap: 20px;
}

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

.highlights li {
  margin: 10px 0;
}

footer {
  text-align: center;
  padding: 15px;
  font-size: 0.9em;
  color: #777;
}