body {
  font-family: 'Segoe UI', sans-serif;
  background-color: #f8f9fa;
  color: #0A2540;
  margin: 0;
  padding: 0;
}

h1, h3, h4, h5 {
  color: #0A2540;
}

a {
  color: #D49B20;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn-primary {
  background-color: #0A2540;
  border-color: #0A2540;
}

.btn-primary:hover {
  background-color: #D49B20;
  border-color: #D49B20;
  color: #fff;
}

.navbar, .footer {
  background-color: #0A2540;
  color: white;
}

/* ↑ all unchanged above this line ↑ */

/* increase logo size */
header.d-flex img {
  max-width: 120px;   /* was 80px */
  margin-right: 1rem;
}

/* center text block and enlarge title & tagline */
header.d-flex > div {
  flex: 1 1 auto;
  text-align: center;
}

header.d-flex > div h1 {
  font-size: 3rem; /* up from default h4 (~1.25rem) */
  line-height: 1.2;
  margin-bottom: 0.25rem;
}

.tagline {
  color: #D49B20;
  font-style: italic;
  font-size: 1.5rem;  /* bumped up */
}

/* section subtitles */
.section-subtitle {
  font-size: 1.5rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid #00509e;
  display: inline-block;
  padding-bottom: 0.25rem;
}

/* Hero padding (unchanged) */
.hero {
  padding-top: 2rem;
  padding-bottom: 2rem;
}