/* Shared stylesheet for MBS Sensors site */
:root { --brand:#003366; --accent:#0066cc; --accent-hover:#004999; --highlight:#ffcc00; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
}

header {
  background: var(--brand);
  color: #fff;
  padding: 20px;
  text-align: center;
}
nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}
nav a.active {
  text-decoration: underline;
  color: var(--highlight);
}
main, section {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}
h1, h2 {
  color: var(--brand);
}
footer {
  background: var(--brand);
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 20px;
}
.button {
  display: inline-block;
  padding: 10px 20px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 10px;
}
.button:hover, .button:focus {
  background: var(--accent-hover);
}
/* Small-screen tweaks */
@media (max-width: 560px) {
  header { padding: 16px; }
  nav a { display: inline-block; margin: 6px; }
  main, section { padding: 24px 16px; }
}