body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #1f2937;
  background: #ffffff;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.top-header {
  background: #0b3c75;
  color: white;
  padding: 20px 0;
}

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

.logo-area {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo {
  width: 70px;
  height: auto;
}

.motto {
  font-style: italic;
  font-size: 0.9rem;
}

.main-nav {
  background: #123f7a;
}

.main-nav a {
  color: white;
  text-decoration: none;
  margin-right: 18px;
  padding: 12px 0;
  display: inline-block;
  font-weight: 500;
}

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

.banner {
  background: #f3f6fb;
  padding: 50px 0;
}

.section {
  padding: 50px 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  border: 1px solid #e5e7eb;
  padding: 25px;
  background: white;
}

.clean-list {
  list-style: square;
  padding-left: 20px;
}

.simple-nav {
  background: #f3f6fb;
  padding: 10px 20px;
}

.simple-nav a {
  text-decoration: none;
  color: #0b3c75;
  font-weight: bold;
}

footer {
  background: #0b3c75;
  color: white;
  text-align: center;
  padding: 15px 0;
}