/* Base Typography */
body {
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 16px;        /* desktop default */
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
  color: #333;
}

/* Header */
header {
  background: linear-gradient(135deg, #004080, #0066cc);
  color: #fff;
  padding: 2rem;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: 1px;
}
header p {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Main content */
main {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1rem;
}
h2 {
  color: #004080;
  font-size: 1.6rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  border: none;            /* reset any default borders */
  text-decoration: none;   /* reset any default underlines */
}

/* Divider for desktop only */
@media (min-width: 601px) {
  h2 {
    border-bottom: 1px solid #ddd;
    padding-bottom: 0.3rem;
  }
}

/* Footer */
footer {
  background: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
  margin-top: 3rem;
}
footer a {
  color: #004080;
  text-decoration: none;
  margin: 0 0.5rem;
}
footer a:hover {
  text-decoration: underline;
}

/* Responsive adjustments for mobile */
@media (max-width: 600px) {
  body {
    font-size: 18px;       /* larger text for phones */
    line-height: 1.8;      /* more breathing room */
  }
  header {
    padding: 1.5rem;       /* reduce banner size */
  }
  header h1 {
    font-size: 2rem;
  }
  header p {
    font-size: 1.2rem;
  }
  h2 {
    font-size: 1.4rem;
    border: none;          /* no divider on phones */
    padding-bottom: 0;
  }
  footer {
    font-size: 1rem;
    padding: 0.8rem;
  }
}