/* Shared navigation aligns to the bounded page container. */
.site-header { position: sticky; top: 0; z-index: 50; width: 100%; height: var(--header-height, 75px); color: #f3f3f3; background: #0c0d0e; font-family: var(--font-family-base, sans-serif); font-size: var(--font-size-nav, 16px); line-height: 1.5; }
.site-header [hidden] { display: none !important; }
.site-header button, .site-header a { -webkit-tap-highlight-color: transparent; }
.site-header a { text-decoration: none; color: inherit; }
.site-header button { border: 0; font: inherit; cursor: pointer; }
.site-header .header-inner { display: flex; align-items: center; width: calc(100% - 2 * var(--page-gutter, 40px)); max-width: var(--content-width, 1200px); height: 100%; margin-inline: auto; padding-right: 6px; }
.site-header .brand { display: flex; align-items: center; flex: none; gap: 5px; white-space: nowrap; }
.site-header .brand > img { display: block; flex: none; width: 116px; height: auto; object-fit: contain; }
.site-header .brand-caption { margin-left: 8px; font-size: 14px; font-weight: 600; letter-spacing: .3px; }
.site-header .desktop-nav { display: flex; align-self: stretch; align-items: stretch; gap: 24px; margin-left: 38px; white-space: nowrap; }
.site-header .desktop-nav > a, .site-header .desktop-nav > button { position: relative; display: inline-flex; align-items: center; padding: 0; background: none; color: #e3e3e3; font-size: var(--font-size-nav, 16px); font-weight: 600; }
.site-header .desktop-nav > .is-current::after { position: absolute; content: ''; height: 2px; background: var(--orange, #FF7500); bottom: 15px; left: 0; right: 0; }
.site-header .desktop-nav > a:hover, .site-header .desktop-nav > button:hover { color: var(--orange, #FF7500); }
.site-header .header-external-link { gap: 5px; }
.site-header .header-external-link > svg { flex: none; width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .16s ease; }
.site-header .header-external-link:hover > svg { transform: translate(1px, -1px); }
.site-header .header-actions { display: flex; align-items: center; gap: 16px; margin-left: auto; padding-left: 24px; }
.site-header .header-search { display: flex; align-items: center; gap: 12px; width: 220px; height: 40px; padding: 0 15px; border: 1px solid #444; border-radius: 24px; background: #272829; color: #b6b6b6; text-align: left; font-size: var(--font-size-caption, 14px); white-space: nowrap; }
.site-header .header-search > span { overflow: hidden; text-overflow: ellipsis; }
.site-header .header-search svg { flex: none; width: 20px; height: 20px; color: #eee; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.site-header .header-search:hover { border-color: #868686; }
.site-header .header-login { flex: none; height: 39px; padding: 0 15px; border-radius: 24px; background: var(--orange, #FF7500); color: #fff; font-size: 14px; font-weight: 700; white-space: nowrap; transition: background .2s; }
.site-header .header-login:hover { background: #FF7500; color: #fff; }
.site-header .header-disclosure { position: relative; }
.site-header .account-trigger { display: flex; align-items: center; gap: 8px; min-height: 40px; padding: 0; background: transparent; color: #fff; }
.site-header .account-avatar { width: 32px; height: 32px; object-fit: cover; object-position: center 22%; border-radius: 50%; }
.site-header .account-trigger > [data-user-name] { max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.site-header .header-chevron { width: 13px; height: 13px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: rotate .2s; }
.site-header [aria-expanded="true"] > .header-chevron { rotate: 180deg; }
.site-header .header-dropdown { position: absolute; top: calc(100% + 14px); right: 0; min-width: 192px; padding: 10px; border: 1px solid #37393b; border-radius: 10px; background: #181a1b; box-shadow: 0 16px 45px #0005; }
.site-header .header-dropdown > :is(a, button) { display: block; width: 100%; min-height: 42px; padding: 10px; border-radius: 5px; background: transparent; color: #ddd; text-align: left; font-size: var(--font-size-small, 16px); }
.site-header .header-dropdown > :is(a, button):hover { background: #30221b; color: var(--orange, #FF7500); }
.site-header .account-summary { display: grid; gap: 3px; padding: 10px 10px 13px; margin-bottom: 5px; border-bottom: 1px solid #37393b; }
.site-header .account-summary > strong { overflow: hidden; text-overflow: ellipsis; font-size: var(--font-size-body, 18px); }
.site-header .account-summary > span { color: #999; font-size: var(--font-size-small, 16px); }
.site-header .header-dropdown .signout-button { margin-top: 5px; border-top: 1px solid #37393b; }
.site-header .menu-toggle { display: none; flex: none; place-items: center; width: 36px; height: 40px; padding: 6px; background: none; color: #fff; }
.site-header .menu-toggle svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; }
.site-header .mobile-nav { position: absolute; top: 100%; left: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; width: 100%; max-height: calc(100dvh - var(--header-height, 75px)); padding: 16px 5% 22px; overflow-y: auto; background: #121415; border-block: 1px solid #303234; box-shadow: 0 20px 25px #0003; }
.site-header .mobile-nav > a, .site-header .mobile-nav > button { display: flex; align-items: center; min-height: 44px; padding: 10px 15px; border-radius: 6px; background: transparent; color: #eee; text-align: left; }
.site-header .mobile-nav > .is-current, .site-header .mobile-nav > a:hover, .site-header .mobile-nav > button:hover { color: var(--orange, #FF7500); background: #2d1c12; }
.site-header :focus-visible { outline: 2px solid var(--orange, #FF7500); outline-offset: 4px; }
@media (max-width: 1280px) and (min-width: 1221px) {
  .site-header .header-inner { width: calc(100% - 64px); }
  .site-header .desktop-nav { gap: 20px; margin-left: 28px; }
  .site-header .header-actions { gap: 18px; padding-left: 24px; }
  .site-header .header-search { width: 200px; }
  .site-header .brand-caption { margin-left: 8px; }
  .site-header .brand > img { width: 112px; }
}
@media (max-width: 1220px) {
  .site-header .header-inner { padding-right: 0; }
  .site-header .desktop-nav { display: none; }
  .site-header .header-actions { gap: 20px; }
  .site-header .menu-toggle { display: grid; }
  .site-header .header-search { width: min(32vw, 302px); }
}
@media (max-width: 680px) {
  .site-header .header-inner { width: calc(100% - 32px); }
  .site-header .brand > img { width: 104px; }
  .site-header .brand-caption { display: none; }
  .site-header .header-actions { gap: 8px; padding-left: 10px; }
  .site-header .header-search { flex: none; justify-content: center; width: 32px; height: 38px; padding: 5px; border: 0; background: transparent; }
  .site-header .header-search > span { display: none; }
  .site-header .header-login { height: 34px; padding-inline: 13px; }
  .site-header .account-trigger > [data-user-name], .site-header .account-trigger > .header-chevron { display: none; }
  .site-header .header-dropdown { right: -44px; }
  .site-header .mobile-nav { grid-template-columns: repeat(2, 1fr); padding-inline: 16px; }
}
@media (max-width: 360px) {
  .site-header .header-inner { width: calc(100% - 24px); }
  .site-header .header-actions { gap: 3px; }
  .site-header .header-login { padding-inline: 10px; }
  .site-header .brand { gap: 3px; }
  .site-header .brand > img { width: 96px; }
}
@media (prefers-reduced-motion: reduce) { .site-header * { transition: none !important; } }

.site-header [data-message-count] { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; margin-left: 8px; padding: 0 5px; border-radius: 10px; background: var(--orange, #FF7500); color: #fff; font-size: 12px; line-height: 1; }

.site-header .header-login { display: inline-flex; align-items: center; justify-content: center; }
.site-header .header-actions > a { min-height: 44px; }
.site-header .menu-toggle, .site-header .account-trigger { min-width: 44px; min-height: 44px; }
.site-header .header-dropdown > :is(a, button) { min-height: 44px; }

/* The learning mega menu follows the reference site's full-width grouped dropdown. */
.site-header .learning-disclosure { display: flex; align-items: stretch; }
.site-header .header-learning-toggle { display: flex; align-items: stretch; }
.site-header .header-learning-toggle > a { position: relative; display: flex; align-items: center; color: #e3e3e3; font-weight: 600; transition: color .16s; }
.site-header .learning-menu-trigger { display: grid; place-items: center; width: 24px; padding: 0 0 0 6px; background: transparent; color: #e3e3e3; }
.site-header .learning-menu-trigger .header-chevron { width: 13px; height: 13px; }
.site-header .learning-disclosure:hover .header-learning-toggle > a,
.site-header .learning-disclosure:has([aria-expanded="true"]) .header-learning-toggle > a,
.site-header .learning-disclosure:has([aria-expanded="true"]) .learning-menu-trigger { color: var(--orange); }
.site-header .learning-disclosure .header-dropdown { position: fixed; top: var(--header-height, 75px); left: 0; right: 0; width: 100%; min-width: 0; max-height: calc(100dvh - var(--header-height, 75px)); overflow-y: auto; padding: 0; border: 0; border-top: 1px solid #ececec; border-radius: 0; background: #fff; color: #17191b; white-space: normal; box-shadow: 0 20px 45px #17202b1f; }
.site-header .learning-menu-panel::before { display: none; }
.site-header .learning-menu-content { width: calc(100% - 80px); max-width: var(--content-width, 1200px); margin: 0 auto; padding: 36px 0 42px; display: grid; grid-template-columns: minmax(250px, .72fr) minmax(0, 2fr); gap: 64px; align-items: stretch; }
.site-header .learning-menu-overview { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; padding: 26px 28px; border-radius: 2px; background: #101112; color: #fff; }
.site-header .learning-menu-overview > p { margin: 0 0 12px; color: var(--orange); font-size: 12px; font-weight: 750; letter-spacing: .14em; }
.site-header .learning-menu-overview > h2 { margin: 0; font-size: 26px; line-height: 1.3; letter-spacing: -.02em; }
.site-header .learning-menu-overview > h2 em { color: var(--orange); font-style: normal; }
.site-header .learning-menu-overview > span { width: 100%; margin-top: 14px; color: #b8b8b8; font-size: 14px; line-height: 1.7; }
.site-header .learning-menu-home { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; margin-top: auto; padding-top: 18px; color: #fff; font-size: 14px; font-weight: 650; }
.site-header .learning-menu-home > svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; transition: transform .16s; }
.site-header .learning-menu-home:hover { color: var(--orange); }
.site-header .learning-menu-home:hover > svg { transform: translateX(3px); }
.site-header .learning-menu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 38px; align-content: center; }
.site-header .learning-menu-item { display: grid; grid-template-columns: 44px minmax(0, 1fr) 20px; align-items: center; gap: 15px; min-height: 105px; padding: 17px 10px 17px 0; border-top: 1px solid #dedede; color: #1d1f21; transition: color .18s, padding-left .18s, background .18s; }
.site-header .learning-menu-item:nth-last-child(-n+2) { border-bottom: 1px solid #dedede; }
.site-header .learning-menu-icon { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #f1f1f1; color: #444; transition: background .18s, color .18s; }
.site-header .learning-menu-icon > svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.site-header .learning-menu-copy { display: grid; gap: 5px; min-width: 0; }
.site-header .learning-menu-copy > strong { font-size: 17px; line-height: 1.4; }
.site-header .learning-menu-copy > small { color: #777b80; font-size: 13px; line-height: 1.55; }
.site-header .learning-menu-arrow { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .18s; }
.site-header .learning-menu-item:hover,
.site-header .learning-menu-item:focus-visible { padding-left: 8px; background: #FF75000C; color: var(--orange); }
.site-header .learning-menu-item:hover .learning-menu-icon,
.site-header .learning-menu-item:focus-visible .learning-menu-icon { background: var(--orange); color: #fff; }
.site-header .learning-menu-item:hover .learning-menu-arrow,
.site-header .learning-menu-item:focus-visible .learning-menu-arrow { transform: translateX(3px); }
.site-header .mobile-learning-links { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; border-top: 1px solid #363636; margin-top: 8px; padding-top: 16px; }
.site-header .mobile-learning-links > span { grid-column: 1 / -1; color: #aaa; font-size: 14px; padding-inline: 16px; }
.site-header .mobile-learning-links a { min-height: 44px; display: flex; align-items: center; padding: 8px 16px; border-radius: 8px; background: #232323; }
.site-header .mobile-learning-links a:hover { color: var(--orange); }
@media (min-width: 1221px) { .site-header .desktop-nav { gap: 20px; margin-left: 32px; } .site-header .header-search { width: 196px; } }
@media (max-width: 1100px) { .site-header .learning-menu-content { width: calc(100% - 64px); grid-template-columns: 230px minmax(0, 1fr); gap: 36px; } .site-header .learning-menu-grid { gap-inline: 24px; } }
@media (max-width: 680px) { .site-header .mobile-learning-links { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.site-header .header-level { display: inline-flex; align-items: center; justify-content: center; min-width: 26px; padding: 1px 6px; border: 1px solid #FF7500; border-radius: 4px; color: #FF7500; font-size: 11px; font-weight: 650; line-height: 18px; }
.site-header .header-level[hidden] { display: none; }
@media(max-width:1220px) { .site-header .account-trigger > .header-level { display: none; } }

/* Keep the pointer path continuous from each trigger into its submenu. */
.site-header .header-dropdown::before { content: ''; position: absolute; left: 0; right: 0; top: -16px; height: 16px; }
.site-header .header-dropdown:not([hidden]) { animation: header-dropdown-enter .16s ease-out; transform-origin: top; }
.site-header .learning-disclosure:hover > a { color: var(--orange); }
.site-header .header-navigation-disclosure { display: flex; align-items: stretch; }
.site-header .header-navigation-toggle { display: flex; align-items: center; gap: 5px; }
.site-header .header-navigation-toggle > a,
.site-header .header-nav-label { position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0; border: 0; background: transparent; color: #e3e3e3; font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; }
.site-header .header-navigation-toggle > a:hover,
.site-header .header-navigation-toggle > a.is-current,
.site-header .header-nav-label:hover { color: var(--orange, #FF7500); }
.site-header .header-navigation-toggle > a.is-current::after { position: absolute; right: 0; bottom: 12px; left: 0; height: 2px; background: var(--orange, #FF7500); content: ''; }
.site-header .header-configured-dropdown { display: grid; gap: 3px; }
.site-header .header-configured-dropdown > a { display: flex; align-items: center; min-height: 42px; padding: 9px 12px; border-radius: 5px; color: #333; text-decoration: none; }
.site-header .header-configured-dropdown > a:hover,
.site-header .header-configured-dropdown > a:focus-visible { background: #FF75000C; color: var(--orange, #FF7500); }
.site-header .header-navigation-disclosure:not(.learning-disclosure) .header-dropdown { top: calc(100% + 1px); right: auto; left: -12px; min-width: 220px; border-color: #ececec; border-radius: 0 0 8px 8px; background: #fff; box-shadow: 0 20px 45px #17202b1f; }
.site-header .header-navigation-disclosure:not(.learning-disclosure) .header-dropdown::before { top: -10px; height: 10px; }
.site-header .mobile-nav .mobile-learning-links { grid-column: 1 / -1; }
.site-header .footer-column a[target="_blank"] { white-space: nowrap; }
@keyframes header-dropdown-enter { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .site-header .header-dropdown:not([hidden]) { animation: none; } }