body {
  margin: 0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background: #fff;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  overflow: hidden;
  padding: 20px;
}

.site-header {
  background: #222;
  color: #fff;
  padding: 15px 0;
}

.site-header .brand {
  display: flex;
  align-items: center;
}

.site-header .brand img.logo {
  height: 50px;
  margin-right: 10px;
}

.site-header nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 15px;
}

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

.site-header nav a.active {
  font-weight: bold;
  border-bottom: 2px solid #f4b400;
}

.hero {
  background: url('banner.jpg') no-repeat center center/cover;
  color: #fff;
  padding: 80px 20px;
  text-align: center;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin: 60px 0;
}

.about-image img {
  max-width: 100%;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.leaders {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card {
  background: #f9f9f9;
  padding: 20px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.site-footer {
  background: #222;
  color: #fff;
  text-align: center;
  padding: 20px;
  margin-top: 40px;
}