section {
  position: relative;
  overflow: hidden;
}

/* Base reusable background layer */

.section-bg {
  position: absolute;
  inset: 0;

  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;

  opacity: 0.10;

  z-index: 0;
}

/* Page-specific variants */

.section-bg-home {
  background-image: url('../images/deal.jpg');
}

.section-bg-process {
  background-image: url('../images/process.jpg');
}

.section-bg-philosophy {
  background-image: url('../images/philosophy.jpg');
}

.section-bg-team {
  background-image: url('../images/team.jpg');
}