/* Base layout */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #eef4ff, #d6eaff);
  color: #333;
}

/* Header */
header {
  background-color: #0047ab;
  color: white;
  padding: 60px 20px;
  text-align: center;
}
header h1 {
  font-size: 3em;
  margin: 0;
}
header p {
  font-size: 1.3em;
  margin-top: 10px;
}
nav {
  margin-top: 20px;
}
nav a {
  margin: 0 15px;
  text-decoration: none;
  color: white;
  font-weight: bold;
}

/* Sections */
section {
  padding: 50px 20px;
  max-width: 1100px;
  margin: auto;
}
section h2 {
  text-align: center;
  color: #0047ab;
  font-size: 2em;
  margin-bottom: 30px;
}

/* Grid layout */
.grid {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
}

/* Cards */
.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  padding: 20px;
  width: 280px;
  text-align: center;
}
.card h3 {
  margin-top: 0;
  color: #0047ab;
}
.card p {
  font-size: 0.95em;
  line-height: 1.5;
}
.card a {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 16px;
  background-color: #0047ab;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
}

/* Footer */
footer {
  background-color: #f0f0f0;
  text-align: center;
  padding: 20px;
  font-size: 0.9em;
  color: #666;
}