body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #333;
}

/* Cabeçalho */
header {
  background-color: #003366;
  color: white;
  padding: 1rem 0 0.5rem 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.logo {
  display: flex;
  align-items: center;
  padding: 0 1rem;
}

.logo img {
  height: 60px;
  margin-right: 15px;
}

nav {
  background-color: #002244;
  padding: 0.5rem 1rem;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: center;
}

.nav-center {
  display: inline-flex;
  gap: 20px;
  min-width: auto;
  justify-content: center;
}

nav a {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: white;
  text-decoration: none;
  font-weight: 500;
  border-radius: 20px;
  transition: background-color 0.3s ease;
  font-size: 0.95rem;
  min-width: max-content;
}

nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

nav::-webkit-scrollbar {
  display: none;
}

/* Banner ajustado */
.banner img {
  display: block;
  margin: 0 auto;
  padding: 1rem;
  background-color: #e6f0ff;
  max-width: 45%;
}

/* Conteúdo principal */
main {
  padding: 2rem;
  text-align: center;
}

.introducao h2 {
  font-size: 1.8rem;
  color: #003366;
}

.introducao p {
  font-size: 1rem;
  margin-top: 0.5rem;
}

.chamada {
  margin-top: 2rem;
}

.concursos-destaque {
  margin-top: 2rem;
}

.cards {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 20px;
}

.card {
  background-color: white;
  padding: 1rem;
  border: 1px solid #ccc;
  border-radius: 10px;
  text-align: left;
  max-width: 300px;
  width: 100%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  transform: scale(1.05);
}

.card h3 {
  color: #003366;
  margin-bottom: 1rem;
}

.card p {
  font-size: 1rem;
  color: #555;
}

.card strong {
  color: #003366;
}

/* Rodapé */
footer {
  background: #ddd;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

/* Ajuste para dispositivos móveis */
@media (max-width: 768px) {
  nav {
    justify-content: flex-start;
  }

  .nav-center {
    flex-wrap: nowrap;
    padding-right: 20px;
  }

  nav a {
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
  }

  .banner img {
    max-width: 80%;
  }
}

/* Menu de Estados */
.menu-estados {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px;
  background-color: #f3f3f3;
  border-radius: 5px;
  justify-content: center;
  margin-top: 10px;
  margin-bottom: 20px;
}

.menu-estados a {
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #0077cc;
  font-weight: bold;
  font-size: 14px;
  transition: background-color 0.3s, color 0.3s;
}

.menu-estados a:hover {
  background-color: #0077cc;
  color: white;
}