.banner-principal {
  position: relative;
  /* margin-top removido: agora usamos padding-top no body para compensar o header fixo */
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0;
}

.banner-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  object-position: center;
  max-width: 100%;
}

/* Responsivo */
@media (max-width: 1024px) {
  .banner-principal {
    padding: 20px 0;
  }
}

@media (max-width: 768px) {
  .banner-principal {
    width: 100%;
    padding: 15px 0;
    margin-bottom: 0;
  }

  .banner-image {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 480px) {
  .banner-principal {
    width: 100%;
    padding: 10px 0;
    margin-bottom: 0;
  }

  .banner-image {
    width: 100%;
    height: auto;
  }
}