/* Stage 2 — editorial header and navigation */
.bn-site-header {
  position: relative;
  z-index: var(--bn-z-header);
  background: var(--bn-color-surface);
}

.bn-topbar {
  border-bottom: 1px solid var(--bn-color-border);
  color: #384152;
  font-size: 14px;
}

.bn-topbar__inner {
  min-height: 42px;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 24px;
}

.bn-topbar__date {
  margin: 0;
  white-space: nowrap;
}

.bn-topbar__nav { justify-self: center; }
.bn-utility-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bn-utility-links a {
  text-decoration: none;
  transition: color var(--bn-transition-fast);
}
.bn-utility-links a:hover { color: var(--bn-color-accent-600); }

.bn-header-action {
  justify-self: end;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}
.bn-header-action svg { width: 18px; height: 18px; }

.bn-masthead {
  border-bottom: 1px solid var(--bn-color-border);
  background: #fff;
}
.bn-masthead__inner {
  min-height: 166px;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) minmax(300px, 520px) minmax(210px, 1fr);
  align-items: center;
  gap: 36px;
}
.bn-masthead__statement {
  display: grid;
  gap: 2px;
  max-width: 255px;
  color: var(--bn-color-primary-900);
}
.bn-masthead__statement strong {
  font-family: var(--bn-font-serif);
  font-size: 18px;
  line-height: 1.2;
}
.bn-masthead__statement > span {
  color: var(--bn-color-muted);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.bn-masthead__statement a {
  width: fit-content;
  margin-top: 9px;
  color: var(--bn-color-primary-900);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}
.bn-masthead__statement a:hover { color: var(--bn-color-accent-600); }

.bn-brand { min-width: 0; text-align: center; }
.bn-site-logo,
.custom-logo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.bn-site-logo img,
.custom-logo {
  display: block;
  width: auto;
  max-width: min(100%, 440px);
  max-height: 132px;
  object-fit: contain;
}

.bn-masthead__balance { min-width: 210px; }

.bn-mainnav-shell {
  position: relative;
  border-bottom: 1px solid var(--bn-color-border);
  background: #fff;
}
.bn-mainnav__inner {
  min-height: 58px;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.bn-mainnav { width: 100%; }
.bn-nav-list {
  height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: clamp(14px, 1.45vw, 26px);
  margin: 0;
  padding: 0;
  list-style: none;
}
.bn-nav-list > li {
  position: relative;
  display: flex;
  align-items: stretch;
}
.bn-nav-list > li > a,
.bn-more-toggle {
  min-height: 58px;
  display: inline-flex;
  align-items: center;
  border: 0;
  padding: 0;
  background: transparent;
  color: #182132;
  font-family: var(--bn-font-sans);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.bn-nav-list > li > a::after,
.bn-more-toggle::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 3px;
  background: var(--bn-color-accent-600);
  content: "";
  opacity: 0;
  transform: scaleX(.35);
  transition: opacity var(--bn-transition-fast), transform var(--bn-transition-fast);
}
.bn-nav-list > li > a:hover::after,
.bn-nav-list > li.current-menu-item > a::after,
.bn-nav-list > li.current-menu-ancestor > a::after,
.bn-more-item.is-open > .bn-more-toggle::after {
  opacity: 1;
  transform: scaleX(1);
}
.bn-more-toggle { gap: 5px; }
.bn-more-toggle svg { width: 16px; height: 16px; transition: transform var(--bn-transition-fast); }
.bn-more-item.is-open .bn-more-toggle svg { transform: rotate(180deg); }

.bn-nav-list .sub-menu,
.bn-mega-menu {
  position: absolute;
  top: calc(100% + 1px);
  right: -18px;
  z-index: 30;
  min-width: 230px;
  display: grid;
  gap: 2px;
  margin: 0;
  border: 1px solid var(--bn-color-border);
  border-top: 3px solid var(--bn-color-accent-600);
  padding: 12px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(16, 24, 39, .12);
  list-style: none;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--bn-transition-fast), transform var(--bn-transition-fast);
}
.bn-nav-list .menu-item-has-children:hover > .sub-menu,
.bn-nav-list .menu-item-has-children:focus-within > .sub-menu,
.bn-more-item.is-open > .bn-mega-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.bn-nav-list .sub-menu a {
  min-height: 42px;
  display: flex;
  align-items: center;
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}
.bn-nav-list .sub-menu a:hover { background: var(--bn-color-surface-soft); color: var(--bn-color-accent-600); }

.bn-mobile-menu-toggle,
.bn-mobile-search,
.bn-mobile-brand { display: none; }

.bn-breaking {
  border-bottom: 1px solid var(--bn-color-border);
  background: #fff;
}
.bn-breaking__inner {
  min-height: 48px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 20px;
}
.bn-breaking__label {
  display: inline-flex;
  align-items: center;
  align-self: stretch;
  padding-inline: 18px;
  background: var(--bn-color-accent-600);
  color: #fff;
  font-size: 12px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.bn-breaking__items {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 28px;
  overflow: hidden;
}
.bn-breaking__items a {
  position: relative;
  flex: 0 0 auto;
  max-width: 420px;
  overflow: hidden;
  color: #1c2535;
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.bn-breaking__items a + a::before {
  position: absolute;
  top: 50%;
  left: -16px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--bn-color-accent-600);
  content: "";
  transform: translateY(-50%);
}

.bn-ad-slot {
  width: min(100% - (2 * var(--bn-gutter)), var(--bn-container-wide));
  margin-inline: auto;
}
.bn-ad-slot--BN-G01 { padding-block: 18px; }

.bn-overlay-open { overflow: hidden; }
.bn-mobile-menu,
.bn-search-dialog {
  position: fixed;
  inset: 0;
  z-index: var(--bn-z-modal);
}
.bn-mobile-menu[hidden],
.bn-search-dialog[hidden] { display: none; }
.bn-mobile-menu__backdrop,
.bn-search-dialog__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 13, 27, .58);
  opacity: 0;
  transition: opacity 180ms ease;
}
.bn-mobile-menu.is-open .bn-mobile-menu__backdrop,
.bn-search-dialog.is-open .bn-search-dialog__backdrop { opacity: 1; }

.bn-mobile-menu__panel {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: min(90vw, 390px);
  overflow-y: auto;
  padding: 22px 20px 32px;
  background: #fff;
  transform: translateX(-100%);
  transition: transform 180ms ease;
}
.bn-mobile-menu.is-open .bn-mobile-menu__panel { transform: translateX(0); }
.bn-mobile-menu__head,
.bn-search-dialog__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.bn-mobile-menu__head strong { font-size: 22px; }
.bn-icon-button {
  width: 44px;
  height: 44px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 44px;
  border: 1px solid var(--bn-color-border);
  border-radius: 50%;
  background: #fff;
  color: var(--bn-color-ink);
  cursor: pointer;
}
.bn-icon-button svg { width: 22px; height: 22px; }
.bn-mobile-menu__search {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 24px 0 26px;
  border: 1px solid var(--bn-color-border);
}
.bn-mobile-menu__search input {
  min-width: 0;
  min-height: 48px;
  border: 0;
  padding: 0 13px;
  outline: none;
}
.bn-mobile-menu__search button {
  min-height: 48px;
  border: 0;
  padding-inline: 16px;
  background: var(--bn-color-primary-900);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.bn-mobile-nav-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.bn-mobile-nav-list li { border-bottom: 1px solid var(--bn-color-border); }
.bn-mobile-nav-list .sub-menu { grid-column: 1 / -1; margin: 0 0 8px; padding: 0 0 0 14px; list-style: none; }
.bn-mobile-nav-list .sub-menu li { border-bottom: 0; }
.bn-mobile-nav-list .sub-menu a { min-height: 42px; color: var(--bn-color-muted); font-size: 14px; }
.bn-mobile-nav-list a {
  min-height: 50px;
  display: flex;
  align-items: center;
  font-weight: 700;
  text-decoration: none;
}

.bn-search-dialog {
  display: grid;
  place-items: start center;
  padding: clamp(72px, 12vh, 140px) var(--bn-gutter) 32px;
}
.bn-search-dialog__panel {
  position: relative;
  z-index: 2;
  width: min(100%, 760px);
  border-top: 4px solid var(--bn-color-accent-600);
  padding: clamp(24px, 4vw, 42px);
  background: #fff;
  box-shadow: 0 24px 80px rgba(5, 13, 27, .22);
  opacity: 0;
  transform: translateY(-14px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.bn-search-dialog.is-open .bn-search-dialog__panel { opacity: 1; transform: translateY(0); }
.bn-search-dialog__eyebrow {
  margin: 0 0 4px;
  color: var(--bn-color-accent-600);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.bn-search-dialog h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
}
.bn-search-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0;
  margin-top: 34px;
  border-bottom: 2px solid var(--bn-color-ink);
}
.bn-search-form input {
  min-width: 0;
  min-height: 62px;
  border: 0;
  padding: 0 4px;
  background: transparent;
  color: var(--bn-color-ink);
  font-size: clamp(18px, 3vw, 28px);
  outline: 0;
}
.bn-search-form button {
  min-height: 62px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 0 4px 0 18px;
  background: transparent;
  color: var(--bn-color-primary-900);
  font-weight: 800;
  cursor: pointer;
}
.bn-search-form button svg { width: 22px; height: 22px; }

@media (max-width: 1180px) {
  .bn-nav-list { gap: 14px; }
  .bn-nav-list > li > a,
  .bn-more-toggle { font-size: 13px; }
  .bn-masthead__inner { grid-template-columns: minmax(190px, 1fr) minmax(280px, 420px) minmax(190px, 1fr); }
}

@media (max-width: 1099px) {
  .bn-topbar,
  .bn-masthead,
  .bn-mainnav { display: none; }

  .bn-mainnav-shell { border-bottom-color: var(--bn-color-border); }
  .bn-mainnav__inner {
    min-height: 78px;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr) 48px;
    align-items: center;
    gap: 12px;
  }
  .bn-mobile-menu-toggle,
  .bn-mobile-search {
    width: 44px;
    height: 44px;
    display: inline-grid;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--bn-color-primary-900);
    cursor: pointer;
  }
  .bn-menu-bars { width: 23px; display: grid; gap: 5px; }
  .bn-menu-bars span { height: 2px; background: currentColor; }
  .bn-mobile-search svg { width: 23px; height: 23px; }
  .bn-mobile-brand {
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .bn-mobile-brand .bn-site-logo img,
  .bn-mobile-brand .custom-logo {
    max-width: min(100%, 230px);
    max-height: 64px;
  }
  .bn-breaking__items { overflow-x: auto; scrollbar-width: none; }
  .bn-breaking__items::-webkit-scrollbar { display: none; }
}

@media (max-width: 639px) {
  .bn-mainnav__inner { min-height: 68px; grid-template-columns: 44px minmax(0, 1fr) 44px; gap: 8px; }
  .bn-mobile-brand .bn-site-logo img,
  .bn-mobile-brand .custom-logo { max-width: min(100%, 185px); max-height: 54px; }
  .bn-breaking__inner {
    width: 100%;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
    padding-right: 14px;
  }
  .bn-breaking__label { padding-inline: 12px; }
  .bn-breaking__items { gap: 24px; }
  .bn-breaking__items a { max-width: 78vw; }
  .bn-mobile-nav-list { grid-template-columns: 1fr; }
  .bn-search-dialog { padding-top: 34px; }
  .bn-search-dialog__panel { padding: 24px 20px; }
  .bn-search-form { grid-template-columns: 1fr; border-bottom: 0; gap: 12px; }
  .bn-search-form input { border-bottom: 2px solid var(--bn-color-ink); font-size: 18px; }
  .bn-search-form button {
    min-height: 48px;
    justify-content: center;
    border-radius: 4px;
    background: var(--bn-color-primary-900);
    color: #fff;
    padding-inline: 16px;
  }
}