/* Misión banner — vertical line texture overlay */
.st-mision { position: relative; overflow: hidden; }
.st-mision::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .4;
  background-image: linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.st-mision > * { position: relative; z-index: 1; }