.tt4ph-hero{
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  min-height: 450px;
  max-height: 450px;
  height: 70%;
  background-color: #fff;
  background-size: 50% auto;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center; /* ok */
  justify-content: center;
}

/* Hacer que el overlay cubra todo el hero */
.tt4ph-hero__inner{
  position: absolute;
  inset: 0;                /* top/right/bottom/left: 0 */
  z-index: 2;
  display: flex;
  align-items: center;     /* centra vertical */
  justify-content: center; /* centra horizontal */
  background: rgba(0,0,0,0.4);
}

.tt4ph-hero__overlay{ display:none; } /* como ya tenías */

.tt4ph-title{
  margin: 8px 0 0;
  font-size: clamp(22px, 3.2vw, 40px);
  line-height:1.2;
  color:#fff;
  display:inline-block;
  padding:6px 12px;
  border-radius:4px;
}