body {
  background-color: #344C64;
  color: #F9F7F7;
  font-family: 'Arial', sans-serif;
  transition: background-color 0.3s, color 0.3s;
}

body.light-mode {
  background-color: #F9F7F7;
  color: #344C64;
}

.header, .footer {
  background-color: #112D4E;
  color: #F9F7F7;
  transition: background-color 0.3s, color 0.3s;
}

body.light-mode .header, body.light-mode .footer {
  background-color: #F9F7F7;
  color: #344C64;
}

.header .navbar-brand, .header .nav-link {
  color: #F9F7F7;
}

body.light-mode .header .navbar-brand, body.light-mode .header .nav-link {
  color: #344C64;
}

.header .nav-link:hover {
  color: #DBE2EF;
}

body.light-mode .header .nav-link:hover {
  color: #3F72AF;
}

.container h1, .container p {
  text-align: center;
}

.card {
  background-color: #DBE2EF;
  color: #112D4E;
  transition: background-color 0.3s, color 0.3s;
  border-radius: 10px;
}

.card:hover {
  background-color: #3F72AF;
  color: #F9F7F7;
}

body.light-mode .card {
  background-color: #344C64;
  color: #F9F7F7;
}

body.light-mode .card:hover {
  background-color: #112D4E;
  color: #DBE2EF;
}

body.light-mode .card .card-title,
body.light-mode .card .card-text {
  color: #344C64;
}

.card .card-img-top {
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.card .card-body {
  padding: 20px;
}

.card .card-title {
  font-weight: bold;
}

.card .card-text {
  margin-bottom: 15px;
}

.footer {
  padding: 10px 0;
}

.footer p {
  margin: 0;
}