body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2937;
}

.container {
  width: min(1200px, 92%);
  margin: 0 auto;
}

.site-header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
  padding: 18px 0;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-nav ul {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  color: #0d346b;
  font-weight: 600;
}

.site-footer {
  padding: 30px 0;
  background: #f9fafb;
  margin-top: 60px;
}