/*styling for the server*/

body, h1, h2, h3, p, ul, li {
  margin: 0;
  padding: 0;
}

/*general body styling*/
body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
  padding: 20px;
}

/*header and navigation*/
header {
  text-align: center;
  background-color: #0073e6;
  color: #fff;
  padding: 20px;
  margin-bottom: 30px;
}

header h1 {
  margin-bottom: 10px;
}

header nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
  font-weight: bold;
}

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

/*center section titles*/
section h2 {
  text-align: center;
  margin-bottom: 20px;
}

/*PDF container layout*/
.pdf-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
}

/*PDF styling*/
.pdf-card {
  background-color: #fff;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
  min-width: 150px;
}

.pdf-card h3 {
  margin-bottom: 10px;
  font-size: 16px;
}

.pdf-card a {
  display: inline-block;
  padding: 5px 10px;
  background-color: #0073e6;
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
}

.pdf-card a:hover {
  background-color: #005bb5;
}

ul.pdf-list li a:hover {
  text-decoration: underline;
}

/*center text*/
.centered-text {
  text-align: center;
  font-size: 18px;
  margin-top: 20px;
}


/*footer styling*/
footer {
  text-align: center;
  margin-top: 40px;
  font-size: 14px;
  color: #666;
}

/*404 page*/
.error {
  text-align: center;
  margin-top: 50px;
}