body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #222;
}

header {
  background: #0b3954;
  color: #fff;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  font-weight: bold;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

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

.hero {
  background: linear-gradient(135deg, #0b3954, #1f7a8c);
  color: #fff;
  padding: 80px 40px;
}

.btn {
  background: #ffb703;
  padding: 10px 20px;
  border-radius: 4px;
  color: #222;
  text-decoration: none;
  font-weight: bold;
}

.section {
  background: #fff;
  padding: 60px 40px;
  margin-bottom: 10px;
}

.grid, .contact-grid {
  display: grid;
  gap: 20px;
}

.grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.contact-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.card {
  background: #f9f9f9;
  padding: 20px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

footer {
  text-align: center;
  padding: 20px;
  background: #eee;
}