html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #333;
}

main.container {
  flex: 1;
}

/* Navbar */
.site-title {
  font-size: 2rem;
  font-weight: bold;
  color: #000;
  letter-spacing: 1px;
}

.navbar-brand img {
  height: 70px;
}

.nav-link {
  font-size: 1.1rem;
  font-weight: 500;
  margin-left: 10px;
}

/* Hero */
.jumbotron {
  background: linear-gradient(to right, #f8f9fa, #e9ecef);
  padding: 4rem 2rem;
  border-radius: 0.5rem;
}

.jumbotron h1 {
  font-size: 2.5rem;
  font-weight: bold;
  color: #222;
}

.jumbotron .lead {
  font-size: 1.25rem;
  color: #555;
}

/* Footer */
footer {
  font-size: 0.9rem;
}

footer a {
  text-decoration: none;
}

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