.seccion-pmo {
  min-height: 345px;
  background:
    linear-gradient(
      90deg,
      rgba(240, 255, 255, 0.72) 0%,
      rgba(240, 255, 255, 0.58) 42%,
      rgba(240, 255, 255, 0.35) 100%
    ),
    url("../img/tubos.jpg") center / cover no-repeat;
  display: flex;
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem) 0;
}

.caja-pmo {
  width: min(620px, 100%);
  margin-left: clamp(1rem, 7vw, 5rem);
  text-align: left;
}

.caja-pmo h1 {
  margin: 0 0 1.25rem;
  font-family: "Oswald", sans-serif;
  color: var(--color-primary-3);
  font-size: clamp(1rem, 5vw, 2.5rem);
  line-height: 1.05;
}

.caja-pmo p {
  max-width: 620px;
  margin: 0 0 2rem;
  color: var(--color-primary-3);
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  line-height: 1.55;
  font-weight: 700;
}

.boton-pmo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 1.05rem;
  border-radius: 999px;
  background: var(--color-primary-3);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 8px 18px rgba(0, 74, 153, 0.2);
}

.boton-pmo:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

@media (max-width: 640px) {
  .seccion-pmo {
    min-height: 420px;
    align-items: flex-start;
    padding-top: 2.25rem;
    background-position: center;
  }

  .caja-pmo {
    margin: 0;
    padding: 0 1rem;
    text-align: center;
  }

  .caja-pmo p {
    margin-bottom: 1.5rem;
  }

  .boton-pmo {
    width: 100%;
  }
}