/* Fonte padrão e cores principais */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background-color: #f8f9fc;
  color: #222;
  margin: 0;
  padding: 0;
}

/* Cabeçalho */
header {
  background-color: #004080;
  color: white;
  padding: 20px;
  text-align: center;
}

.logo {
  max-width: 140px;
}

/* Menu de navegação */
nav ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
  background-color: #0055aa;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 10px;
}

nav ul li a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  padding: 12px;
  display: inline-block;
}

nav ul li a.active, nav ul li a:hover {
  background-color: #003366;
  border-radius: 5px;
}

/* Conteúdo principal */
main, section {
  padding: 20px;
}

/* Botões institucionais */
.botao {
  background-color: #0077cc;
  color: white;
  border: none;
  padding: 12px 20px;
  text-decoration: none;
  font-weight: bold;
  margin: 10px;
  display: inline-block;
  border-radius: 5px;
}

.botao:hover {
  background-color: #005fa3;
}

/* Destaques e matérias */
.destaque, .materia, .publicar, .redes {
  background-color: white;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  margin: 20px auto;
  max-width: 900px;
  padding: 20px;
}

.materia h2 {
  margin-top: 0;
}

/* Formulários */
form {
  background-color: #ffffff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 8px rgba(0,0,0,0.05);
  max-width: 600px;
  margin-top: 20px;
}

input[type="text"],
input[type="email"],
input[type="url"],
textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  margin-bottom: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

input[type="submit"],
input[type="reset"] {
  background-color: #004080;
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 5px;
  cursor: pointer;
}

input[type="submit"]:hover,
input[type="reset"]:hover {
  background-color: #002f5f;
}

/* Rodapé */
footer {
  background-color: #004080;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}