body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: #f5f7fa;
  color: #0b1f3a;
}

.header {
  background: #0b1f3a;
  color: white;
  padding: 16px 0;
}

.container {
  width: min(1100px, 90%);
  margin: auto;
}

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

.section {
  padding: 50px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

.footer {
  background: #0b1f3a;
  color: white;
  text-align: center;
  padding: 20px 0;
}