/* BK Infra content components: inherit the existing Intrio theme tokens. */
/* Keep the main navigation visible while scrolling on every page. */
header,
header.autoshow,
header.autoshow.scrollOff,
header.autoshow.scrollOn {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  transform: none;
  margin-top: 0 !important;
  z-index: 1001;
}
header.smaller,
header.autoshow {
  background: var(--bg-dark-1, #181818);
  box-shadow: 0 3px 16px rgba(0, 0, 0, .12);
}
header #logo .bk-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  white-space: nowrap;
  line-height: 1.2;
  vertical-align: middle;
}
header #logo { line-height: 0; }
header .de-flex { min-height: 80px; }
.bk-logo-wordmark {
  width: 210px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  background: transparent;
  padding: 8px 10px;
  border-radius: 3px;
  box-sizing: border-box;
}
footer .bk-logo-wordmark { width: 250px; }
.bk-logo-wordmark.bk-logo-inline { width: 130px; padding: 3px 5px; }
header #logo img.bk-brand-logo {
  display: block;
  width: 200px;
  height: 64px;
  max-width: none;
  object-fit: contain;
  flex-shrink: 0;
  background: transparent;
  padding: 5px 8px;
}
header.header-light #logo .bk-brand,
header.header-mobile #logo .bk-brand,
header.smaller.scroll-light #logo .bk-brand { color: var(--heading-font-color); }
@media (max-width: 1199.98px) {
  header #logo .bk-brand { gap: 8px; }
  header #logo img.bk-brand-logo { width: 180px; height: 56px; }
}
@media (max-width: 992px) {
  header .de-flex.sm-pt10 { min-height: 60px; padding-top: 0; }
  header #logo img.bk-brand-logo { width: 180px; height: 50px; }
}
@media (max-width: 575.98px) {
  header #logo img.bk-brand-logo { width: 160px; height: 50px; }
  header .menu_side_area { margin-left: 8px; }
  header .menu_side_area > .btn-main { display: none; }
}
.bk-image-composition { position: relative; padding: 0 48px 68px 0; }
.bk-image-main { display: block; width: 100%; aspect-ratio: 5 / 6; height: auto; object-fit: cover; }
.bk-image-inset { position: absolute; width: 57%; right: 0; bottom: 0; padding: 10px; background: #fff; box-shadow: 0 16px 45px rgba(52,31,22,.12); }
.bk-image-inset img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.bk-image-inset span { display: block; padding: 8px 2px 0; font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.bk-card-index { display: block; font-size: .75rem; font-weight: 400; line-height: 1.6; letter-spacing: .12em; text-transform: uppercase; }
.bk-purpose-card { position: relative; isolation: isolate; overflow: hidden; height: 100%; padding: clamp(28px,4vw,52px); background: var(--bg-dark-1); color: rgba(255,255,255,.88); border: 0; border-radius: var(--rounded-1); }
.bk-purpose-card .bk-card-index { padding-right: 40px; margin-bottom: 64px; color: rgba(255,255,255,.8); }
.bk-purpose-icon { position: absolute; top: 36px; right: 36px; font-size: 1.7rem; color: #fff; }
.bk-purpose-card h3 { font-size: clamp(1.5rem,2.7vw,2.2rem); line-height: 1.2; max-width: 390px; color: #fff; }
.bk-purpose-card p { margin-bottom: 0; }
.bk-purpose-card-dark { background: var(--bg-dark-1); }
.bk-purpose-card-dark h3, .bk-purpose-card-dark .bk-purpose-icon { color: #fff; }
.bk-strength-card { position: relative; isolation: isolate; overflow: hidden; display: flex; flex-direction: column; height: 100%; min-height: 370px; padding: 30px 24px; background: var(--bg-dark-1); color: rgba(255,255,255,.88); }
.bk-strength-card:hover .bk-card-photo { transform: scale(1.06); }
.bk-strength-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 72px; color: #fff; }
.bk-strength-top i { font-size: 1.8rem; }
.bk-strength-top span { font-size: .8rem; letter-spacing: .1em; }
.bk-strength-card h3 { margin-top: auto; font-size: 1.3rem; color: #fff; }
.bk-strength-card p { margin: 0; }
.bk-trades-image { display: block; width: 100%; height: auto; aspect-ratio: 16 / 10; object-fit: cover; margin: 28px 0 20px; }
.bk-text-link { display: inline-flex; align-items: center; gap: 18px; color: var(--heading-font-color); border-bottom: 1px solid var(--primary-color); padding-bottom: 4px; }
.bk-text-link:hover { color: var(--primary-color); }
.bk-trade-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1px; background: rgba(var(--primary-color-rgb),.15); border: 1px solid rgba(var(--primary-color-rgb),.15); }
.bk-trade-grid li { background: var(--bg-default); min-height: 148px; padding: 22px 18px; transition: background .2s ease, color .2s ease; }
.bk-trade-grid li:hover { background: var(--primary-color); color: #fff; }
.bk-trade-grid li:hover h3, .bk-trade-grid li:hover > span { color: #fff; }
.bk-trade-grid li > span { display: block; color: var(--primary-color); font-size: .75rem; margin-bottom: 30px; }
.bk-trade-grid h3 { font-size: .95rem; line-height: 1.45; margin: 0; overflow-wrap: anywhere; }
.bk-detail-panel { height: 100%; padding: clamp(24px,3.5vw,42px); border: 1px solid rgba(var(--primary-color-rgb),.2); border-radius: var(--rounded-1); }
.bk-detail-panel-tint { background: rgba(var(--primary-color-rgb),.055); }
.bk-panel-heading { display: flex; align-items: center; gap: 20px; margin-bottom: 28px; }
.bk-panel-heading h3 { margin: 6px 0 0; font-size: 1.6rem; }
.bk-panel-icon { flex: 0 0 54px; width: 54px; height: 54px; display: grid; place-items: center; background: var(--primary-color); color: #fff; font-size: 1.4rem; border-radius: 50%; }
.bk-expertise-list, .bk-values-list { list-style: none; padding: 0; margin: 0; }
.bk-expertise-list li { border-bottom: 1px solid rgba(var(--primary-color-rgb),.14); padding: 11px 0; }
.bk-expertise-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.bk-values-list { display: grid; grid-template-columns: 1fr; gap: 0; }
.bk-values-list li { display: flex; align-items: baseline; gap: 12px; padding: 11px 0; border-bottom: 1px solid rgba(var(--primary-color-rgb),.14); line-height: var(--body-font-line-height); }
.bk-values-list li::before { content: "\2713"; color: var(--primary-color); }
.bk-values-list li:last-child { border-bottom: 0; }
.bk-cta-panel { position: relative; overflow: hidden; background: var(--heading-font-color); border-radius: var(--rounded-1); }
.bk-cta-panel > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.bk-cta-copy { position: relative; z-index: 1; padding: clamp(32px,6vw,80px); max-width: 780px; color: rgba(255,255,255,.85); }
.bk-cta-copy h2, .bk-cta-copy .subtitle { color: #fff; }
.bk-about-cta .bk-cta-copy p { max-width: 520px; }
@media (max-width: 991.98px) {
  .bk-image-composition { max-width: 580px; margin: 0 auto 16px; }
  .bk-trade-grid li { min-height: 130px; }
}
@media (max-width: 575.98px) {
  .bk-image-composition { padding: 0 24px 48px 0; }
  .bk-image-inset { padding: 7px; width: 60%; }
  .bk-image-inset span { font-size: .65rem; }
  .bk-trade-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .bk-trade-grid li:last-child { grid-column: 1 / -1; min-height: auto; }
  .bk-trade-grid li:last-child > span { margin-bottom: 12px; }
  .bk-panel-heading { gap: 14px; }
  .bk-panel-heading h3 { font-size: 1.3rem; }
}


/* Keep the title clear of the fixed mobile header. */
@media (max-width: 767.98px) {
  .bk-about-hero { padding-top: 128px; padding-bottom: 56px; }
  .bk-about-hero h1 { font-size: clamp(2.4rem, 10vw, 3.5rem); }
}

/* Photograph panels follow the homepage service-card and testimonial treatment. */
.bk-card-photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.bk-purpose-card::before, .bk-strength-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(var(--bg-dark-1-rgb),.48), rgba(var(--bg-dark-1-rgb),.94));
}
.bk-purpose-card::before {
  background: linear-gradient(150deg, rgba(var(--bg-dark-1-rgb),.65), rgba(var(--bg-dark-1-rgb),.94));
}
.bk-about-hero .sw-overlay { background: var(--bg-dark-1); }
.bk-founder-section { scroll-margin-top: 25px; }
.bk-founder-intro { margin-bottom: 36px; }
.bk-founder-portrait { margin: 0; }
.bk-founder-portrait img { display: block; width: 100%; height: auto; border-radius: var(--rounded-1); }
.bk-founder-facts { margin: 24px 0 0; }
.bk-founder-facts > div { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 12px 0; border-top: 1px solid rgba(var(--primary-color-rgb),.18); }
.bk-founder-facts dt { font-weight: 400; font-size: .8rem; }
.bk-founder-facts dd { margin: 0; color: var(--heading-font-color); text-align: right; font-size: .9rem; }
.bk-founder-name { font-size: clamp(1.7rem,3vw,2.5rem); margin-bottom: 8px; }
.bk-founder-role { color: var(--primary-color); margin-bottom: 22px; }
.bk-founder-note { margin: 44px 0 0; padding: clamp(26px,4vw,48px); background: var(--bg-dark-1); color: rgba(255,255,255,.9); border: 0; border-radius: var(--rounded-1); }
.bk-founder-note h3 { color: rgba(255,255,255,.75); font-size: .8rem; letter-spacing: .1em; margin: 0 0 24px; }
.bk-founder-note > p { font-size: clamp(1.1rem,1.7vw,1.45rem); font-weight: 400; line-height: 1.7; margin-bottom: 24px; }
.bk-founder-note cite { display: block; color: #fff; font-size: .95rem; font-style: normal; }
.bk-founder-note cite span { display: block; color: rgba(255,255,255,.7); font-size: .8rem; margin-top: 4px; }
@media (max-width: 575.98px) {
  .bk-strength-card { min-height: 330px; }
  .bk-strength-top { margin-bottom: 56px; }
}

/* Inline SVG icons (Font Awesome Free 6.4.2 shapes, CC BY 4.0) replacing the icon fonts. */
.bk-icon { display: inline-flex; align-items: center; justify-content: center; line-height: 1; vertical-align: -.125em; }
.bk-icon > svg { width: 1em; height: 1em; fill: currentColor; display: block; }