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

/* Corpo da página */
body {
  background-color: #121212;
  color: #f0f0f0;
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* Cabeçalho */
header {
  background-color: #1f1f1f;
  padding: 20px;
  text-align: center;
}

header h1 {
  font-size: 1.8em;
  margin-bottom: 10px;
}

/* Navegação */
nav {
  margin-top: 10px;
}

nav a {
  margin: 0 12px;
  color: #f58220;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #ffffff;
}

/* Conteúdo principal */
main {
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Blocos de conteúdo */
.bloco {
  width: 100%;
  max-width: 800px;
  background-color: #1a1a1a;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 40px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

/* Títulos */
h1,
h2,
h3,
.centralizado {
  text-align: center;
}

h2,
h3 {
  color: #4a90e2;
  margin-bottom: 15px;
}

/* Listas */
ul {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 10px;
}

li {
  margin-bottom: 6px;
}

/* Tabelas */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th,
td {
  padding: 12px;
  border-bottom: 1px solid #333;
  text-align: left;
}

th {
  background-color: #2a2a2a;
  color: #f58220;
}

/* Imagens */
img {
  max-width: 100%;
  border-radius: 8px;
  margin-top: 10px;
}

/* Links padrão */
a {
  color: #4a90e2;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Botão de download */
.download-btn {
  display: block;
  margin: 30px auto;
  padding: 12px 24px;
  background-color: #f58220;
  color: white;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  transition: background-color 0.3s ease;
  width: fit-content;
  text-align: center;
}

.download-btn:hover {
  background-color: #d96e1a;
}

/* Rodapé */
footer {
  background-color: #1f1f1f;
  padding: 20px;
  text-align: center;
  font-size: 0.9em;
  color: #999;
}