/* Ajuste geral de títulos */
h1, h2, h3 {
  margin-top: 2rem;
}

/* Navbar espaçamento */
.navbar-nav .nav-link {
  margin-left: 1rem;
}

/* Footer */
footer {
  margin-top: 4rem;
}

/* Banner Hero */
.hero-banner {
  height: 250px;
  background-image: url('/errc2025/assets/img/banner.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  z-index: 0;
}

.hero-text {
  position: relative;
  z-index: 2;
}

.hero-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.3); /* sobreposição transparente */
  z-index: 1;
}