main{
  max-width: 1000px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

section{
  background-color: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

section h2{
  margin-bottom: 1rem;
  color: #1d5b8a;
}

header{
  background-color: #1d5b8a;
  color: #000000;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body{
  font-family: 'Segoe UI', Arial, sans-serif;
  color: #2b2b2b;
  background-color: #f5f6f8;
  line-height: 1.5;
}

a{
  color: #0d263a;
  text-decoration: none;
}

a:hover{
  text-decoration: underline;
}

header nav ul{
  list-style: none;
  display: flex;
  gap: 1.25rem;
}

header nav a{
  color: #fff;
}

main section:nth-of-type(2) div{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

main section:nth-of-type(2) article{
  background-color: #eef4fa;
  border-radius: 8px;
  padding: 1.25rem;
  text-align: center;
}

main section:nth-of-type(2) article h3{
  font-size: 0.95rem;
  color: #55677a;
  margin-bottom: 0.5rem;
}

main section:nth-of-type(2) article p{
  font-size: 1.8rem;
  font-weight: 700;
  color: #1d5b8a;
}

table{
  width: 100%;
  border-collapse: collapse;
}

th, td{
  text-align: left;
  padding: .65rem .75rem;
  border-bottom: 1px solid #e2e6ea;
}

thead{
  background-color: #1d5b8a;
  color: #fff;
}

tbody tr:nth-child(even){
  background-color: #f7f9fb;
}

tbody tr:hover{
  background-color: #eef4fa;
}

td button{
  padding: .35rem .7rem;
  margin-right: .35rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: .85rem;
}

td button:first-of-type{
  background-color: #f0ad4e;
  color: #fff;
}

td button:last-of-type{
  background-color: #d9534f;
  color: #fff;
}

form p{
  margin-bottom: 1rem;
}

form label{
  display: block;
  margin-bottom: .1rem;
  font-weight: 600;
  color: #444;
}

form input,
form select{
  width: 100%;
  max-width: 400px;
  padding: .55rem, .7rem;
  border: 1px solid #cdd4da;
  border-radius: 4px;
  font-size: 1rem;
}

form button[type="submit"]{
  background-color: #1d5b8a;
  color: #fff;
  border: none;
  padding: .6rem 1.5rem;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

form button[type="submit"]:hover{
  background-color: #164869;
}

footer{
  text-align: center;
  padding: 1.25rem;
  color: #7a8794;
  font-size: .9rem;
}