/* Claude-design site header (utility bar + mega-menu) */
.lsib-site-chrome {
  --lsib-hdr-ink: #0b2545;
  --lsib-hdr-blue: #0b6cb8;
  --lsib-hdr-blue-soft: #eaf3fb;
  --lsib-hdr-crimson: #c8102e;
  --lsib-hdr-crimson-deep: #a10d25;
  --lsib-hdr-line: #dde4ee;
  --lsib-hdr-muted: #5a6a82;
  --lsib-hdr-text: #13233d;
  --lsib-hdr-wrap: 1240px;
  --lsib-hdr-gut: clamp(16px, 4vw, 40px);
  --lsib-hdr-sans: "Figtree", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --lsib-hdr-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  /* Claude artifact header logo (img + 3px white pad on link) */
  --lsib-hdr-logo: 101px;
  --lsib-hdr-logo-pad: 3px;
}

.lsib-hdr-wrap {
  max-width: var(--lsib-hdr-wrap);
  margin-inline: auto;
  padding-inline: var(--lsib-hdr-gut);
}

.lsib-hdr-util {
  background: var(--lsib-hdr-blue);
  color: #fff;
  font-size: 13px;
  font-family: var(--lsib-hdr-sans);
}

.lsib-hdr-util .lsib-hdr-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 36px;
}

.lsib-hdr-util nav {
  display: flex;
  gap: 6px 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  padding-block: 6px;
}

.lsib-hdr-util nav span {
  opacity: 0.5;
}

.lsib-hdr-util a {
  color: inherit;
  text-decoration: none;
}

.lsib-hdr-util a:hover {
  text-decoration: underline;
}

.lsib-hdr-util__ic {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.lsib-hdr-util__icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.lsib-hdr-util__247 {
  font-weight: 700;
}

.lsib-hdr-site {
  position: relative;
  z-index: 50;
  background: #fff;
  color: var(--lsib-hdr-ink);
  border-bottom: 1px solid var(--lsib-hdr-line);
  box-shadow: 0 6px 20px -14px rgba(11, 37, 69, 0.35);
  font-family: var(--lsib-hdr-sans);
}

.lsib-hdr-site__bar {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100px;
  position: relative;
}

.lsib-hdr-site__logo-spacer {
  flex: 0 0 calc(var(--lsib-hdr-logo) + (2 * var(--lsib-hdr-logo-pad)));
  width: calc(var(--lsib-hdr-logo) + (2 * var(--lsib-hdr-logo-pad)));
  height: 1px;
  pointer-events: none;
}

.lsib-hdr-site__navcluster {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  min-width: 0;
  flex: 1 1 auto;
  justify-content: flex-end;
}

.lsib-hdr-site__logo {
  display: block;
  flex-shrink: 0;
  line-height: 0;
  position: absolute;
  left: var(--lsib-hdr-gut);
  top: 14px;
  z-index: 4;
  padding: var(--lsib-hdr-logo-pad);
  border: 0;
  background: #fff;
  box-shadow: 0 22px 40px -18px rgba(11, 37, 69, 0.45);
  transition: transform 0.25s;
}

.lsib-hdr-site__logo-img,
.lsib-hdr-site .lsib-logo {
  display: block;
  width: var(--lsib-hdr-logo);
  height: var(--lsib-hdr-logo);
  max-width: var(--lsib-hdr-logo);
  border: 0;
  vertical-align: top;
  transition: width 0.25s, height 0.25s;
}

.lsib-hdr-mainnav {
  display: flex;
  gap: 2px;
  align-items: center;
  height: 100%;
  min-width: 0;
  flex-shrink: 1;
}

.lsib-hdr-mainnav__item {
  height: 100%;
  display: flex;
  align-items: center;
}

.lsib-hdr-nav-btn {
  background: none;
  border: 0;
  color: inherit;
  padding: 0 12px;
  white-space: nowrap;
  font: 600 15px var(--lsib-hdr-sans);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 3px solid transparent;
  border-top: 3px solid transparent;
  cursor: pointer;
}

.lsib-hdr-nav-btn:hover,
.lsib-hdr-nav-btn[aria-expanded="true"] {
  border-bottom-color: var(--lsib-hdr-crimson);
  color: var(--lsib-hdr-blue);
}

.lsib-hdr-nav-btn__chev {
  width: 10px;
  height: 10px;
  opacity: 0.7;
  transition: transform 0.2s;
}

.lsib-hdr-nav-btn[aria-expanded="true"] .lsib-hdr-nav-btn__chev {
  transform: rotate(180deg);
}

.lsib-hdr-site__actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-shrink: 0;
}

.lsib-hdr-site__cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.lsib-hdr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 42px;
  padding: 0 18px;
  border-radius: 2px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.lsib-hdr-btn:focus-visible {
  outline: 2px solid var(--lsib-hdr-blue);
  outline-offset: 2px;
}

.lsib-hdr-btn--red,
.lsib-hdr-btn--red:visited {
  background: var(--lsib-hdr-crimson);
  color: #fff;
}

.lsib-hdr-btn--red:hover,
.lsib-hdr-btn--red:active,
.lsib-hdr-btn--red:focus-visible {
  background: var(--lsib-hdr-crimson-deep);
  color: #fff;
  text-decoration: none;
}

.lsib-hdr-btn--line {
  border-color: var(--lsib-hdr-blue);
  color: var(--lsib-hdr-blue);
  background: #fff;
}

.lsib-hdr-btn--line:hover {
  background: var(--lsib-hdr-blue);
  color: #fff;
}

.lsib-hdr-mega {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #fff;
  color: var(--lsib-hdr-text);
  border-top: 3px solid var(--lsib-hdr-crimson);
  box-shadow: 0 30px 60px -20px rgba(11, 37, 69, 0.3);
  z-index: 5;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s, transform 0.18s, visibility 0s 0.18s;
}

.lsib-hdr-mega.is-open {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: opacity 0.18s, transform 0.18s;
}

.lsib-hdr-mega__in {
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  gap: 48px;
  padding-block: 40px;
  align-items: start;
}

.lsib-hdr-mega__title {
  font-size: 28px;
  font-weight: 500;
  margin: 0 0 10px;
  color: var(--lsib-hdr-ink);
}

.lsib-hdr-mega__lead {
  color: var(--lsib-hdr-muted);
  font-size: 14px;
  margin: 0;
}

.lsib-hdr-mega__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 32px;
}

.lsib-hdr-mega__list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--lsib-hdr-line);
  font-size: 15px;
  font-weight: 500;
  color: inherit;
  text-decoration: none;
}

.lsib-hdr-mega__list a:hover {
  color: var(--lsib-hdr-crimson);
}

.lsib-hdr-mega__list a span {
  font: 12px var(--lsib-hdr-mono);
  color: var(--lsib-hdr-muted);
}

.lsib-hdr-mega__promo {
  background: var(--lsib-hdr-blue-soft);
  border-left: 3px solid var(--lsib-hdr-blue);
  padding: 26px;
}

.lsib-hdr-mega__promo-eyebrow {
  font: 500 12px/1 var(--lsib-hdr-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lsib-hdr-crimson);
}

.lsib-hdr-mega__promo p {
  color: var(--lsib-hdr-text);
  margin: 10px 0 0;
  font-size: 14px;
}

.lsib-hdr-mega__promo .lsib-hdr-link-arrow {
  margin-top: 18px;
}

.lsib-hdr-link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 14px;
  color: var(--lsib-hdr-crimson);
  text-decoration: none;
}

.lsib-hdr-link-arrow svg {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

.lsib-hdr-link-arrow:hover svg {
  transform: translateX(4px);
}

.lsib-hdr-burger {
  display: none;
  background: #fff;
  border: 1px solid var(--lsib-hdr-line);
  color: var(--lsib-hdr-ink);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
}

.lsib-hdr-drawer {
  position: relative;
  z-index: 6;
  background: #fff;
  border-top: 1px solid var(--lsib-hdr-line);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

body.lsib-hdr-drawer-open {
  overflow: hidden;
}

.lsib-hdr-drawer .lsib-hdr-wrap {
  display: flex;
  flex-direction: column;
  padding-block: 12px 24px;
}

.lsib-hdr-drawer__util {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-bottom: 16px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--lsib-hdr-line);
}

.lsib-hdr-drawer__util a {
  font-size: 14px;
  font-weight: 600;
  color: var(--lsib-hdr-blue);
  text-decoration: none;
}

.lsib-hdr-drawer__util a:hover {
  color: var(--lsib-hdr-crimson);
}

.lsib-hdr-drawer summary {
  display: flex;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--lsib-hdr-line);
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  color: var(--lsib-hdr-ink);
}

.lsib-hdr-drawer summary::-webkit-details-marker {
  display: none;
}

.lsib-hdr-drawer summary::after {
  content: "+";
  font-weight: 400;
  color: var(--lsib-hdr-crimson);
}

.lsib-hdr-drawer details[open] summary::after {
  content: "–";
}

.lsib-hdr-drawer details a {
  display: block;
  padding: 11px 0 11px 14px;
  color: var(--lsib-hdr-muted);
  border-left: 2px solid var(--lsib-hdr-crimson);
  text-decoration: none;
}

.lsib-hdr-drawer details a:hover {
  color: var(--lsib-hdr-blue);
}

.lsib-hdr-drawer__cta {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.lsib-hdr-drawer__cta .lsib-hdr-btn {
  flex: 1;
  justify-content: center;
}

@media (max-width: 1320px) {
  .lsib-hdr-site__cta .lsib-hdr-btn--line {
    display: none;
  }
}

@media (max-width: 1220px) {
  .lsib-hdr-mainnav,
  .lsib-hdr-site__cta .lsib-hdr-btn--line {
    display: none;
  }

  .lsib-hdr-burger {
    display: inline-flex;
  }

  .lsib-hdr-site__bar {
    height: 88px;
    justify-content: flex-end;
  }

  .lsib-hdr-site__navcluster {
    gap: 10px;
  }

  .lsib-hdr-site__logo {
    top: 10px;
  }

  .lsib-hdr-site__cta .lsib-hdr-btn--red {
    height: 44px;
    padding: 0 16px;
    font-size: 14px;
  }
}


@media (max-width: 860px) {
  .lsib-hdr-mega__in {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 560px) {
  .lsib-hdr-site {
    --lsib-hdr-logo: 67px;
    --lsib-hdr-logo-pad: 2px;
  }

  .lsib-hdr-util .lsib-hdr-wrap {
    justify-content: center;
  }

  .lsib-hdr-util nav {
    justify-content: center;
    font-size: 12px;
    gap: 4px 12px;
  }

  .lsib-hdr-util nav span {
    display: none;
  }

  .lsib-hdr-site__logo {
    top: 8px;
    left: max(12px, var(--lsib-hdr-gut));
  }

  .lsib-hdr-site__logo-spacer {
    flex-basis: calc(var(--lsib-hdr-logo) + (2 * var(--lsib-hdr-logo-pad)));
    width: calc(var(--lsib-hdr-logo) + (2 * var(--lsib-hdr-logo-pad)));
  }

  .lsib-hdr-site__bar {
    gap: 10px;
    height: 80px;
  }

  .lsib-hdr-site__actions {
    gap: 8px;
  }

  .lsib-hdr-site__cta .lsib-hdr-btn--red {
    padding: 0 14px;
    font-size: 13px;
  }

  .lsib-hdr-burger {
    width: 42px;
    height: 42px;
  }
}

/* Keep header CTAs flat (artifact) — not premium gradient / lift */
html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn {
  text-transform: none;
  letter-spacing: normal;
  transform: none;
  box-shadow: none;
  opacity: 1;
}

html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn:hover,
html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn:focus-visible {
  transform: none;
  opacity: 1;
  box-shadow: none;
}

html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn--red {
  background: var(--lsib-hdr-crimson);
  border-color: transparent;
  color: #fff;
}

html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn--red:hover,
html.lsib-brand-premium .lsib-hdr-site .lsib-hdr-btn--red:active {
  background: var(--lsib-hdr-crimson-deep);
  color: #fff;
}