/* Quiet engineering drawings: decorative, static and limited to landing sections.
   The mask keeps the reading area clear; no script, animation or hit target. */
.page > :is(.journal,.agha-learning,.templates-chapter,.about-chapter),
main.agha-catalog.cc-hub {
  background-image:url('engineering-background.svg');
  background-size:100% auto;
  background-position:center top;
  background-repeat:no-repeat;
}
.page > .templates-chapter{background-position:center bottom}
.page > .about-chapter{background-position:center 60%}
@media(max-width:767px){
  .page > :is(.journal,.agha-learning,.templates-chapter,.about-chapter),main.agha-catalog.cc-hub {
    background-size:800px auto;
    background-position:left -90px top;
  }
}
@media print, (forced-colors:active){
  .page > :is(.journal,.agha-learning,.templates-chapter,.about-chapter),main.agha-catalog.cc-hub{background-image:none}
}