body {
  font-family: "Pretendard", sans-serif;
  background: #f9fafc;
  color: #333;
  text-align: center;
  margin: 0;
  padding: 0;
}

header {
  background: linear-gradient(135deg, #2b6cb0, #63b3ed);
  color: white;
  padding: 60px 20px;
}

h1 {
  margin: 0;
  font-size: 2.5rem;
}

p {
  font-size: 1.1rem;
  line-height: 1.6;
}

.profile {
  width: 150px;
  border-radius: 50%;
  margin: 20px 0;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

.links a {
  display: inline-block;
  background: #2b6cb0;
  color: white;
  text-decoration: none;
  margin: 10px;
  padding: 12px 20px;
  border-radius: 8px;
  transition: 0.3s;
}

.links a:hover {
  background: #1a436b;
}

footer {
  background: #edf2f7;
  padding: 20px 0;
  font-size: 0.9rem;
  color: #666;
}