* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f2f6fa;
  color: #1b1f23;
  line-height: 1.6;
}

nav {
  background: #0055a5;
  text-align: center;
  padding: 14px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  margin: 0 14px;
}

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

.hero {
  background: #003b77;
  color: #fff;
  text-align: center;
  padding: 60px 20px;
}

.hero .cta {
  margin-top: 20px;
  display: inline-block;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 30px 20px;
}

h1, h2, h3 {
  color: #003b77;
}

.cta {
  background: #007aff;
  padding: 14px 24px;
  color: white;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
}

.cta:hover {
  background: #005ecb;
}

.card-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #d6ddea;
}

footer {
  background: #002b55;
  color: white;
  padding: 25px;
  text-align: center;
  font-size: 14px;
}

footer a {
  color: #fff;
  text-decoration: underline;
}

ul {
  margin-left: 20px;
}

iframe {
  width: 100%;
  height: 400px;
  border: none;
  border-radius: 10px;
}

@media (max-width: 600px) {
  nav a { margin: 0 8px; font-size: 14px; }
  .hero h1 { font-size: 24px; }
}