html, body {
  font-family: 'Segoe UI', Roboto, sans-serif;
  color: #333;
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

.navbar-brand i {
  font-size: 1.4rem;
}

header {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
}

footer {
  font-size: 0.9rem;
}

.nav-link:hover {
  color: #0d6efd !important;
}