/*
 * Homepage Process section.
 * Calm structured path; no cards, imagery, JavaScript, icons, or animation.
 */

.osm-process {
  background:
    linear-gradient(180deg, var(--osm-color-surface) 0%, var(--osm-color-bg) 100%);
  color: var(--osm-color-text-primary);
  padding-block: var(--osm-section-space);
}

.osm-process__header {
  display: grid;
  gap: var(--osm-space-4);
  grid-template-columns: minmax(0, 0.78fr) minmax(18rem, 0.62fr);
}

.osm-process__title {
  color: var(--osm-color-text-primary);
  font-size: var(--osm-text-h2);
  max-width: 13ch;
}

.osm-process__intro {
  align-self: end;
  color: var(--osm-color-text-secondary);
  max-width: var(--osm-measure-narrow);
}

.osm-process__steps {
  display: grid;
  gap: var(--osm-space-4);
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-block-start: var(--osm-space-8);
  position: relative;
}

.osm-process__steps::before {
  background: var(--osm-color-border);
  content: "";
  height: 1px;
  inset-inline: 0;
  position: absolute;
  top: calc(var(--osm-space-2) - 1px);
}

.osm-process-step {
  min-width: 0;
  padding-block-start: var(--osm-space-5);
  position: relative;
}

.osm-process-step__marker {
  background: var(--osm-color-bg);
  border: 1px solid var(--osm-color-accent);
  border-radius: var(--osm-radius-pill);
  box-shadow: 0 0 0 0.5rem var(--osm-color-surface);
  display: block;
  height: var(--osm-space-2);
  inset-block-start: calc(var(--osm-space-2) / 2);
  inset-inline-start: 0;
  position: absolute;
  width: var(--osm-space-2);
  z-index: var(--osm-z-raised);
}

.osm-process-step__content {
  border-top: 1px solid var(--osm-color-border);
  padding-block-start: var(--osm-space-4);
}

.osm-process-step__title {
  color: var(--osm-color-text-primary);
  font-family: var(--osm-font-display);
  font-size: var(--osm-text-h4);
  font-weight: 400;
  line-height: var(--osm-line-heading);
  margin: 0;
  max-width: 12ch;
}

.osm-process-step__description {
  color: var(--osm-color-text-secondary);
  margin-block-start: var(--osm-space-3);
}

@media (max-width: 980px) {
  .osm-process__header {
    grid-template-columns: 1fr;
  }

  .osm-process__title {
    max-width: 14ch;
  }

  .osm-process__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 781px) {
  .osm-process {
    padding-block: var(--osm-section-space-sm);
  }

  .osm-process__steps {
    gap: 0;
    grid-template-columns: 1fr;
    margin-block-start: var(--osm-space-6);
  }

  .osm-process__steps::before {
    height: auto;
    inset-block: var(--osm-space-2) 0;
    inset-inline: calc(var(--osm-space-1) - 1px) auto;
    width: 1px;
  }

  .osm-process-step {
    padding-block: 0 var(--osm-space-5);
    padding-inline-start: var(--osm-space-4);
  }

  .osm-process-step:last-child {
    padding-block-end: 0;
  }

  .osm-process-step__marker {
    box-shadow: 0 0 0 0.375rem var(--osm-color-surface);
    inset-block-start: calc(var(--osm-space-1) / 2);
  }

  .osm-process-step__content {
    border-top: 0;
    padding-block-start: 0;
  }
}