body {
  margin: 0;
  font-family: Arial;
  scroll-behavior: smooth;
}

header {
  background: #1a1a1a;
  color: white;
  padding: 15px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
}

section {
  padding: 60px;
}

footer {
  background: #111;
  color: white;
  text-align: center;
  padding: 20px;
}