/* B's navigation is an instrument rail, with a full index drawer. */
.b-header{position:fixed;inset:0 auto 0 0;width:104px;height:100dvh;z-index:100;display:flex;flex-direction:column;align-items:center;gap:25px;padding:30px 0 22px;background:#171e27;color:#fff;border:0}
.b-header a{color:inherit}.bn-brand{display:flex;align-items:center;justify-content:center;min-height:128px;flex-shrink:0}.bn-brand strong{font:600 29px/1 var(--font-display);letter-spacing:.015em;writing-mode:vertical-rl;transform:rotate(180deg)}.bn-brand strong span{display:inline-block;width:5px;height:5px;background:#7d9dff;margin-top:8px}.bn-brand small{display:none}
.bn-quick{position:relative;display:flex;flex-direction:column;align-items:stretch;width:100%;counter-reset:nav;padding:4px 8px;gap:5px}.bn-nav-marker{position:absolute;left:9px;width:86px;border:1px solid #ffffff22;background:#ffffff0e;border-radius:11px;pointer-events:none;transition:transform .42s cubic-bezier(.2,.8,.2,1),height .3s;top:0}
.bn-quick a{counter-increment:nav;position:relative;z-index:1;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;min-height:62px;padding:9px 3px;text-align:center;font-size:11px;font-weight:400;color:#adb6c2;line-height:1.4;transition:color .25s}
.bn-quick a:before{content:'0'counter(nav);font:9px var(--font-mono);color:#738194}.bn-quick a[aria-current=page],.bn-quick a:hover{color:#fff}.bn-quick a[aria-current=page]:before{color:#a4bbff}
.bn-header-languages{display:none!important}.bn-trigger{margin-top:auto;flex-shrink:0;border:1px solid #ffffff40;background:transparent;border-radius:50%;width:57px;height:57px;display:flex;align-items:center;justify-content:center;color:white;transition:background .3s,transform .3s}.bn-trigger>span{display:none}.bn-trigger i{display:grid;gap:6px;width:20px}.bn-trigger i:before,.bn-trigger i:after{content:'';height:1px;background:currentColor;width:20px;transition:transform .3s}.bn-trigger:hover{background:var(--accent);border-color:var(--accent);transform:rotate(90deg)}.bn-progress{position:absolute;left:0;bottom:0;top:0;width:2px;background:#7d9dff;transform:scaleY(var(--read-progress,0));transform-origin:top;pointer-events:none}
.bn-dialog{position:fixed;inset:0 0 0 auto;margin:0;width:min(860px,calc(100vw - 104px));height:100dvh;max-height:100dvh;max-width:100%;border:0;padding:33px 55px;background:#171e27;color:#fff;overflow:auto}.bn-dialog a{color:inherit}.bn-dialog::backdrop{background:#171e2766;backdrop-filter:blur(12px)}
.bn-dialog-top{display:flex;justify-content:space-between;align-items:center;padding-bottom:24px;border-bottom:1px solid #ffffff30}.bn-menu-brand{font:600 34px var(--font-display);letter-spacing:.015em}.bn-close{display:flex;gap:15px;align-items:center;border:0;background:transparent;color:#fff;font-size:11px;min-height:44px}.bn-close span{font-size:34px;font-weight:300;transition:transform .3s}.bn-close:hover span{transform:rotate(90deg)}
.bn-dialog-body{padding:26px 0 30px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}.bn-link{display:flex;align-items:center;gap:20px;min-height:112px;border-bottom:1px solid #ffffff2b;overflow:hidden}.bn-link small{font:10px var(--font-mono);color:#98a6b8}.bn-link>span{font:300 clamp(28px,3.4vw,48px)/1.4 var(--font-sans);letter-spacing:-.06em;transition:transform .4s}.bn-link b{margin-left:auto;font-size:25px;font-weight:300;transition:transform .35s}.bn-link:hover>span{transform:translateX(9px)}.bn-link:hover b{transform:rotate(45deg)}.bn-link[aria-current=page]{color:#b9cbff}
.bn-product-links{padding-top:12px;display:grid}.bn-product-links>p{font:10px var(--font-mono);color:#98a6b8;margin:0 0 20px}.bn-product-links>a{font-size:13px;display:flex;gap:20px;align-items:center;justify-content:space-between;padding:16px 0;border-bottom:1px solid #ffffff25;line-height:1.6}
.bn-dialog-bottom{display:flex;flex-wrap:wrap;align-items:center;gap:24px;padding-top:24px;border-top:1px solid #ffffff30;font-size:11px}.bn-languages{display:flex;align-items:center;gap:20px}.bn-languages a{font-size:12px;color:#98a6b8;min-height:42px;display:flex;align-items:center}.bn-languages a[aria-current=true]{color:#fff;border-bottom:1px solid #fff}.bn-dialog-bottom>a{margin-left:auto}.bn-dialog-bottom>span{flex:0 0 100%;color:#98a6b8;font-size:10px}
.bn-footer{padding:62px 48px 25px;background:#171e27;color:#fff;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;border-top:1px solid #ffffff25}.bn-label{font:9px var(--font-mono);letter-spacing:.08em;color:#98a6b8}.bn-footer h2{font:300 clamp(30px,4vw,55px)/1.4 var(--font-sans);letter-spacing:-.055em;color:white;margin:20px 0}.bn-footer-heading p{font-size:12px;line-height:1.95;color:#aeb9ca;max-width:480px}.bn-footer-links{align-self:center}.bn-footer-links>a{display:grid;grid-template-columns:1fr 46px;gap:9px;border-bottom:1px solid #ffffff30;padding:20px 0}.bn-footer-links small{grid-column:1;font:9px var(--font-mono);color:#98a6b8}.bn-footer-links span{font-size:22px;font-weight:300;grid-column:1}.bn-footer-links b{font-size:24px;font-weight:300;grid-row:1/3;grid-column:2;align-self:center;width:46px;height:46px;border:1px solid #ffffff45;border-radius:50%;display:grid;place-items:center;transition:transform .35s,background .35s}.bn-footer a{color:white}.bn-footer-links>a:hover b{transform:rotate(45deg);background:var(--accent);border-color:var(--accent)}
.bn-footer-bottom{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:25px;padding-top:30px;border-top:1px solid #ffffff25;font-size:11px}.bn-footer-logo{font:600 clamp(45px,8vw,110px)/1 var(--font-display);letter-spacing:.01em;flex:0 0 100%;margin-bottom:20px}.bn-footer-bottom p{flex:1;color:#98a6b8;font-size:10px}.bn-footer-bottom>a{white-space:nowrap}
@media(max-width:1000px){.b-header{position:sticky;inset:0 0 auto;width:100%;height:68px;flex-direction:row;justify-content:space-between;padding:0 22px;gap:20px}.bn-brand{min-height:0}.bn-brand strong{writing-mode:horizontal-tb;transform:none;font-size:29px}.bn-brand strong span{margin:0 0 3px 7px}.bn-quick{display:none}.bn-trigger{margin:0;width:43px;height:43px}.bn-progress{top:auto;left:0;right:0;bottom:0;width:auto;height:2px;transform:scaleX(var(--read-progress,0));transform-origin:left}.bn-dialog{width:min(760px,100vw);padding:25px 35px}.bn-dialog-body{gap:30px}.bn-link{min-height:95px}.bn-link>span{font-size:33px}}
@media(max-width:600px){.bn-dialog{width:100%;padding:20px 24px}.bn-dialog-body{grid-template-columns:1fr;gap:28px;padding-top:15px}.bn-link{min-height:73px}.bn-link>span{font-size:31px}.bn-product-links{padding-top:0}.bn-product-links>p{margin-bottom:10px}.bn-product-links>a{padding:12px 0}.bn-footer{grid-template-columns:1fr;padding:45px 24px 24px;gap:30px}.bn-footer h2{font-size:34px}.bn-footer-links span{font-size:22px}.bn-footer-bottom{gap:15px}.bn-footer-logo{font-size:65px}.bn-footer-bottom p{flex:0 0 100%;order:4}.bn-languages{gap:17px}}
@media(prefers-reduced-motion:reduce){.bn-nav-marker,.bn-trigger,.bn-link>span,.bn-link b,.bn-footer-links b{transition:none}}