body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #222;
  background: #fff;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  background: #111;
  color: #fff;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.25rem;
}

.main-nav ul {
  display: flex;
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #fff;
  text-decoration: none;
}

.main-nav a.is-active {
  text-decoration: underline;
}

.site-main {
  padding: 2rem 0;
}

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  background: #f5f5f5;
}