/**
 * Breadcrumb nav for About subpages (Mission Profile, Cost Bid, Marketing, SOW).
 * One crumb: About Speedfest XV → about.html.
 */

.tf-about-subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  align-self: flex-start;
  margin: 0;
  padding: 0;
}

.tf-about-subnav__crumb {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 24px;
  margin: 0;
  border: 1px solid rgb(255 255 255 / 0.4);
  background: rgb(0 0 0 / 0.2);
  color: var(--color-text-default);
  text-decoration: none;
  font-family: var(--font-family-body);
  font-weight: 500;
  font-size: var(--type-body-m);
  line-height: 25px;
  white-space: nowrap;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease;
}

.tf-about-subnav__crumb:hover {
  border-color: rgb(255 255 255 / 0.65);
  background: rgb(255 255 255 / 0.04);
}

.tf-about-subnav__crumb:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 2px;
}

/* 16×28px at 20px type → scales with crumb font-size on mobile. */
.tf-about-subnav__chevron {
  display: block;
  width: 0.8em;
  height: 1.4em;
  flex-shrink: 0;
  object-fit: contain;
}

.tf-about-subnav__label {
  display: inline-block;
}

@media (max-width: 640px) {
  .tf-about-subnav {
    gap: 8px;
  }

  .tf-about-subnav__crumb {
    padding: 13px;
    gap: 5px;
    font-size: 10.67px;
    line-height: 1.3;
    border-width: 1px;
    white-space: normal;
    max-width: 100%;
  }
}