body {
  font-family: 'Libre Franklin', sans-serif;
  background-color: #f8f8f8;
  margin: 0;
  color: #222;
  line-height: 1.6;
}

/* HEADER */
header {
  background: white;
  text-align: center;
  padding: 1rem 1rem 0.5rem;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 1000;
}
header img.signature {
  max-width: 420px;
  width: 100%;
  height: auto;
}

nav {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 0.5rem 0 0.5rem;
  background: #f2f5fa;
  padding: 0.4rem 0;
  border-top: 1px solid #ddd;
  border-bottom: 1px solid #ddd;
}
nav a {
  text-decoration: none;
  font-weight: 600;
  color: #003366;
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  transition: background 0.2s;
}
nav a:hover {
  background: #e6eefc;
 }
  

/* MAIN CONTENT */
main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.05);
}
main p {
  margin-bottom: 1.2rem;
}
main a {
  color: #003366;
  text-decoration: none;
  border-bottom: 1px dotted #003366;
}
main a:hover {
  color: #0055aa;
  border-bottom: 1px solid #0055aa;
}



/* FOOTER */
footer {
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  margin: 3rem 0 1rem;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  header img.signature {
    max-width: 80%;
  }
  main {
    margin: 1rem;
  }
}