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

/* Corpo da página */
body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  font-size: 16px;
  background-color: #f8f9fa;
  color: #333;
  padding: 20px;
  max-width: 860px;
  margin: 0 auto;
}

/* Cabeçalho */
header {
  margin-bottom: 40px;
  text-align: center;
}

header h1 {
  font-size: 2.5em;
  margin-bottom: 0.3em;
  color: #0d6efd;
}

header p {
  font-size: 1.2em;
  color: #6c757d;
}

/* Artigo */
article {
  background-color: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Títulos */
article h2 {
  font-size: 1.8em;
  margin-top: 30px;
  margin-bottom: 10px;
  color: #0d6efd;
}

article h3 {
  font-size: 1.4em;
  margin-top: 25px;
  margin-bottom: 8px;
  color: #0d6efd;
}

/* Parágrafos */
article p {
  margin-bottom: 16px;
}

/* Links */
a {
  color: #0d6efd;
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

/* Rodapé */
footer {
  text-align: center;
  margin-top: 40px;
  padding: 20px 0;
  font-size: 0.9em;
  color: #6c757d;
}