body {
  margin: 0;
  font-family: system-ui, Arial, sans-serif;
  background: #f7f7f7;
  color: #222;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

.site-header {
  background: #004f6e;
  padding: 15px 0;
}

.logo a {
  color: #fff;
  text-decoration: none;
  font-size: 22px;
  font-weight: bold;
}

.main-nav a {
  color: #fff;
  margin-left: 15px;
  text-decoration: none;
}

.hero {
  background: #e0f2f8;
  padding: 60px 0;
  text-align: center;
}

.hero h2 {
  margin-bottom: 10px;
}

.subtitle {
  color: #555;
}

.content {
  padding: 40px 0;
  background: #fff;
}

.site-footer {
  background: #eee;
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
}