/* Workbook business hierarchy, using the site's existing brown and cream palette. */
/* Header is transparent over the banner and turns brown on scroll, as on the other pages. */
.bk-business-page {
  background: #fff;
  overflow: visible;
  overflow-x: clip;
}
.bk-business-page header.transparent {
  position: fixed;
  top: 0;
}
.bk-business-page main {
  overflow: visible;
}
.bk-business-page header.smaller {
  position: fixed;
}
.bk-business-banner {
  position: relative;
  padding: 80px 0 0;
  height: calc(clamp(280px, 30vw, 520px) + 80px);
  display: flex;
  align-items: center;
  isolation: isolate;
  overflow: hidden;
}
.bk-business-banner > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 48%;
  z-index: -2;
}
.bk-business-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0) 200px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.72), rgba(0, 0, 0, 0.05));
  z-index: -1;
}
.bk-business-banner p {
  font-size: clamp(28px, 3.5vw, 58px);
  font-weight: 700;
  line-height: 1.13;
  color: #fff;
  margin: 0;
}
.bk-business-banner p span {
  color: #e3c49c;
}
.bk-business-breadcrumb {
  padding-top: 20px;
  padding-bottom: 20px;
  font-size: 12px;
  color: #777;
}
.bk-business-breadcrumb a {
  color: inherit;
}
.bk-business-page .bk-business-introduction {
  padding: 40px 0 36px;
  text-align: center;
}
.bk-business-introduction > .container {
  max-width: 960px;
  height: auto;
}
.bk-business-introduction h2 {
  font-size: 32px;
  margin: 0 auto 16px;
  line-height: 1.3;
}
.bk-business-introduction p {
  margin: 0 auto;
  max-width: 820px;
  font-size: 15px;
  line-height: 1.7;
}
.bk-business-nav {
  position: sticky;
  float: none;
  height: auto;
  width: 100%;
  top: 80px;
  z-index: 99;
  background: #fff;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #ddd;
}
.bk-business-nav > .container {
  display: flex;
  align-items: center;
  gap: 15px;
}
.bk-business-nav-links {
  display: flex;
  flex: 1;
  min-width: 0;
  justify-content: space-around;
  overflow-x: auto;
  scrollbar-width: none;
}
.bk-category-arrow {
  display: none;
}
.bk-business-nav a {
  flex-shrink: 0;
  color: #666;
  font-size: 14px;
  padding: 19px 22px 16px;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}
.bk-business-nav a:hover,
.bk-business-nav a[aria-current] {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}
.bk-business-page .bk-business-section {
  padding: 36px 0 48px;
  background: #fff;
  scroll-margin-top: 155px;
}
.bk-business-section > .container > h2 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 14px;
}
.bk-business-section > .container > .bk-capability-section-title {
  grid-column: 1 / -1;
  width: 100%;
  margin: 0 auto 40px;
  text-align: center;
  color: #352419;
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: normal;
  text-transform: none;
}
.bk-capability-section-title::after {
  content: "";
  display: block;
  width: 52px;
  height: 3px;
  margin: 16px auto 0;
  background: #a36a3e;
  border-radius: 2px;
}
@media (max-width: 767px) {
  .bk-business-section > .container > .bk-capability-section-title {
    font-size: 28px;
    margin-bottom: 32px;
  }
}
.bk-business-description {
  text-align: center;
  font-size: 15px;
  max-width: 1050px;
  margin: 0 auto 28px;
  line-height: 1.65;
}
.bk-business-tiles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.bk-business-tiles-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.bk-business-tile {
  display: block;
  position: relative;
  overflow: hidden;
  min-width: 0;
  aspect-ratio: 4 / 3;
  background: #333;
  color: #fff;
}
.bk-business-tile::after {
  content: "";
  position: absolute;
  inset: 35% 0 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
  pointer-events: none;
}
.bk-business-tile img {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s;
}
.bk-business-tile:hover img {
  transform: scale(1.04);
}
.bk-business-tile h3 {
  position: absolute;
  left: 22px;
  bottom: 22px;
  right: 55px;
  z-index: 1;
  font-size: 19px;
  font-weight: 500;
  color: #fff;
  margin: 0;
}
.bk-tile-arrow {
  position: absolute;
  bottom: 22px;
  right: 18px;
  z-index: 1;
  border-radius: 50%;
  background: #fff;
  color: #333;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  line-height: 1;
}
.bk-business-details {
  margin-top: 22px;
  font-size: 14px;
}
.bk-business-details summary {
  cursor: pointer;
  color: var(--primary-color);
  padding: 8px 0;
}
.bk-business-details .bk-area-scope {
  margin-top: 18px;
}
.bk-business-page .bk-business-feature {
  background: #f1f1f1;
  padding: 52px 0 70px;
}
.bk-business-feature > .container {
  display: block;
}
.bk-mep-copy > p {
  max-width: 1050px;
  margin: 0 auto 24px;
  text-align: center;
}
.bk-mep-action {
  margin-top: 24px;
  text-align: center;
}
.bk-business-feature h2 {
  font-size: 28px;
}
.bk-business-feature p {
  font-size: 15px;
}
.bk-mep-scope,
.bk-infrastructure-scope {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.65;
}
.bk-mep-scope li,
.bk-infrastructure-scope li {
  padding: 9px 0;
  border-top: 1px solid rgba(var(--primary-color-rgb), 0.15);
}
.bk-mep-scope strong,
.bk-infrastructure-scope strong {
  color: var(--heading-font-color);
  font-weight: 600;
}
#specialist-services .bk-specialist-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 420px;
  padding: 0;
  background: #352419;
  border: 0;
  color: #fff;
}
.bk-specialist-photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}
.bk-specialist-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    180deg,
    rgba(32, 21, 15, 0.45),
    rgba(32, 21, 15, 0.8)
  );
  transition: opacity 0.3s ease;
}
.bk-specialist-image-link {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.bk-specialist-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 26px;
  transition: opacity 0.3s ease;
}
#specialist-services .bk-specialist-copy :is(.bk-eyebrow, h3, p, a) {
  color: #fff;
}
.bk-specialist-copy .bk-text-link {
  border-color: rgba(255, 255, 255, 0.65);
}
.bk-specialist-copy .bk-stacked-links {
  margin-top: auto;
  padding-top: 16px;
}
.bk-specialist-copy > .bk-text-link {
  margin-top: auto;
}
.bk-specialist-card:focus-within::before {
  opacity: 1;
}
.bk-specialist-card:focus-within .bk-specialist-copy {
  opacity: 1;
}
@media (hover: hover) and (pointer: fine) {
  .bk-specialist-card:hover .bk-specialist-photo {
    opacity: 1;
  }
  .bk-specialist-card:hover:not(:focus-within)::before,
  .bk-specialist-card:hover:not(:focus-within) .bk-specialist-copy {
    opacity: 0;
  }
  .bk-specialist-card:hover:not(:focus-within) .bk-specialist-copy {
    pointer-events: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .bk-specialist-photo,
  .bk-specialist-card::before,
  .bk-specialist-copy {
    transition: none;
  }
}
.bk-business-page #specialist-services,
.bk-business-page #quality-safety {
  padding: 44px 0 60px;
}
.bk-business-page #specialist-services {
  background: #fff;
}
.bk-business-page #quality-safety {
  background: #f1f1f1;
}
.bk-business-page :is(a, button, summary):focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}
@media (max-width: 992px) {
  .bk-business-banner {
    padding-top: 70px;
    height: calc(clamp(280px, 30vw, 520px) + 70px);
  }
  .bk-business-nav {
    top: 74px;
  }
  .bk-business-nav a {
    padding-left: 16px;
    padding-right: 16px;
  }
  .bk-business-nav > .container {
    gap: 6px;
  }
  .bk-business-nav-overflow .bk-category-arrow {
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border: 0;
    padding: 7px;
    background: transparent;
    cursor: pointer;
  }
  .bk-category-arrow > span {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--primary-color);
    color: #fff;
    font-size: 20px;
    line-height: 1;
  }
  .bk-category-arrow:disabled {
    opacity: 0.35;
    cursor: default;
  }
  .bk-business-tile h3 {
    left: 16px;
    bottom: 18px;
    font-size: 17px;
  }
  .bk-business-tiles,
  .bk-business-tiles-three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .bk-business-tiles > .bk-business-tile:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: calc((100% - 14px) / 2);
    justify-self: center;
  }
  .bk-mep-scope,
  .bk-infrastructure-scope {
    grid-template-columns: 1fr;
    gap: 0;
  }
}
@media (max-width: 575px) {
  .bk-business-nav {
    top: 70px;
  }
  .bk-business-nav > .container {
    gap: 5px;
  }
  .bk-business-introduction h2 {
    font-size: 27px;
  }
  .bk-business-page .bk-business-introduction {
    padding: 28px 0;
  }
  .bk-business-page .bk-business-section {
    padding: 24px 0 32px;
  }
  .bk-business-tiles,
  .bk-business-tiles-three {
    grid-template-columns: 1fr;
  }
  .bk-business-tiles > .bk-business-tile:last-child:nth-child(odd) {
    grid-column: auto;
    width: 100%;
  }
}
#mainmenu a:focus-visible,
#mainmenu button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 3px;
}
.bk-business-section {
  scroll-margin-top: 25px;
}
.bk-area-scope:empty {
  display: none;
}
.bk-area-scope {
  margin-top: 36px;
}
.bk-scope-item {
  border-top: 1px solid rgba(var(--primary-color-rgb), 0.2);
  padding-top: 22px;
  scroll-margin-top: 120px;
}
.bk-scope-item h3 {
  font-size: 1.3rem;
}
.bk-scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.bk-scope-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 22px;
}
.bk-scope-links a,
.bk-stacked-links a {
  color: var(--primary-color);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 0.9rem;
}
.bk-furniture-links {
  margin-top: 36px;
}
.bk-furniture-links h3 {
  font-size: 1.35rem;
}
.bk-furniture-links p {
  margin-bottom: 0;
}
.bk-stacked-links {
  display: grid;
  gap: 12px;
  margin-top: auto;
}
@media (min-width: 992px) {
  #our-capabilities .bk-work-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  #our-capabilities .bk-work-grid > a {
    grid-column: span 2;
  }
  #our-capabilities .bk-work-grid > a:nth-child(4) {
    grid-column: 2 / span 2;
  }
}
.bk-detail-figure {
  margin: 0;
}
.bk-detail-figure figcaption {
  padding-top: 12px;
  font-size: 0.8rem;
}
.bk-detail-figure figcaption a {
  display: block;
  margin-top: 7px;
  color: var(--primary-color);
}
.bk-detail-list li[id],
.bk-furniture-type,
.bk-gallery-alias {
  scroll-margin-top: 120px;
}
.bk-gallery-alias {
  display: block;
}
.bk-furniture-type h3 {
  font-size: 1.25rem;
}
@media (min-width: 993px) {
  header > .container {
    position: relative;
  }
  header .header-col-mid,
  #mainmenu {
    position: static;
  }
}
@media (max-width: 992px) {
  .bk-scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 575px) {
  .bk-scope-grid {
    grid-template-columns: 1fr;
  }
}