* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, Helvetica, sans-serif;
  color: #222;
  background: #fff;
}
header {
  min-height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #e7e7e7;
}
.brand {
  font-size: 34px;
  font-weight: 400;
  letter-spacing: 3px;
}
nav {
  display: flex;
  justify-content: center;
  gap: 34px;
  padding: 20px;
  border-bottom: 1px solid #eee;
}
nav a {
  color: #222;
  text-decoration: none;
}
nav a:hover { text-decoration: underline; }
main {
  min-height: 480px;
  max-width: 1050px;
  margin: 0 auto;
  padding: 50px 24px;
}
footer {
  min-height: 100px;
  border-top: 1px solid #eee;
}