body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #333;
}
header {
  background: #222;
  color: white;
  padding: 2rem;
  text-align: center;
}
header h1 {
  margin: 0;
}
nav {
  margin-top: 1rem;
}
nav a {
  color: #00bcd4;
  margin: 0 10px;
  text-decoration: none;
}
section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}
.skills, .projects {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.card {
  flex: 1 1 200px;
  background: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
footer {
  text-align: center;
  padding: 1rem;
  background: #222;
  color: white;
  margin-top: 2rem;
}