/* Base Reset and Layout */
* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, sans-serif;
  background-color: #fff;
  color: #111;
  height: 100%;
}

body {
  padding-bottom: 70px;
}

/* Main content */
main {
  padding: 2rem 1rem;
  max-width: 800px;
  margin: 0 auto;
}

/* Header Layout */
header {
  background-color: #0a2342;
  color: white;
  padding: 1rem 2rem 0;
}

header .header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
}

header img {
  height: 50px;
  margin-right: 1rem;
}

header .tagline {
  line-height: 1.4;
}

/* Navigation bar at the bottom of header */
nav {
  background-color: #0a2342;
  text-align: center;
  padding: 0.75rem 0 0.5rem;
  font-size: 1rem;
}

nav a {
  color: white;
  margin: 0 1rem;
  font-weight: bold;
  display: inline-block;
}

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

/* Footer */
footer {
  background-color: #0a2342;
  color: white;
  text-align: center;
  padding: 1rem 1rem 0.5rem;
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 70px;
  z-index: 100;
}

.footer-social {
  margin-bottom: 0.3rem;
}

.footer-social a img {
  height: 24px;
  margin: 0 0.5rem;
}

.footer-copy {
  font-size: 0.9rem;
}

/* Responsive Tweaks */
@media (max-width: 600px) {
  header .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    font-size: 0.95rem;
  }
}