/* General page setup */
body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  margin: 0;
  /* background: #fafafa; */
  background: #faffff;
  color: #555;
}

/* Header and footer styling */
header, footer {
  background: #003366;
  color: #fff;
  text-align: center;
  padding: 1em;
}

header h1 {
  margin: 0.2em 0;
  font-weight: 600;
  color: green;
}

/* Navigation links */
nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 0.5em;
}

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

/* Main content area */
main {
  max-width: 700px;
  margin: auto;
  padding: 1em;
}

/* Headings inside main */
main h2 {
  color: #003366;
}

/* Images */
img {
  display: block;
  margin: 1em auto;
  border-radius: 8px;
  max-width: 100%;
  height: auto;
}

/* Footer */
footer p {
  margin: 0;
  font-size: 0.9em;
}