.nosotros {
  margin: 40px auto;
  padding: 30px;
  background: rgba(255, 255, 255, 0.9);
  background-image: url("../images/img/logo_fondo.jpg");
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  font-family: 'Segoe UI', sans-serif;
  color: #222;
  text-align: justify;
  line-height: 1.7;
}

.nosotros h2 {
  text-align: center;
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: #005f5f;
}

.nosotros h3 {
  font-size: 1.5rem;
  margin-top: 25px;
  color: #007070;
}

.card-nosotros {
  margin-top: 30px;
  width: 100%;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-image: url("../images/img/imagen-que-es-el-medio-ambiente.webp");
  background-size: cover;
  background-position: center;
  border-radius: 10px;
  box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.2);
  color: white;
}

.description-nosotros {
  width: 90%;
  height: 90%;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.description-nosotros h3 {
  margin-bottom: 15px;
  font-size: 1.8rem;
  color: #fff;
}

.description-nosotros p {
  font-size: 1rem;
  color: #f0f0f0;
}