@font-face{font-family:Barlow Semi Condensed;font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/barlow-semicondensed-500.woff2)format("woff2")}@font-face{font-family:Barlow Semi Condensed;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/barlow-semicondensed-600.woff2)format("woff2")}@font-face{font-family:Barlow Semi Condensed;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/barlow-semicondensed-700.woff2)format("woff2")}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/source-serif-4-400.woff2)format("woff2")}@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/source-serif-4-400-italic.woff2)format("woff2")}@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/source-serif-4-600.woff2)format("woff2")}:root{--ink:#101a26;--ink-soft:#2b3a4a;--paper:#fff;--paper-alt:#eef2f5;--line:#d4dde3;--line-strong:#b3c1cb;--gulf:#14608f;--gulf-deep:#0f4a70;--signal:#f4c20d;--signal-ink:#3a2f00;--danger:#b3261e;--display:"Barlow Semi Condensed", ui-sans-serif, system-ui, sans-serif;--body:"Source Serif 4", Georgia, "Times New Roman", serif;--sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3rem;--sp-8:4rem;--sp-9:6rem;--caption-color:var(--ink-soft);--measure:68ch;--wrap:76rem;--wrap-narrow:44rem;--radius:2px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;font-size:100%}body{background:var(--paper);color:var(--ink);font-family:var(--body);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;margin:0;font-size:1.0625rem;font-weight:400;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,.display{font-family:var(--display);letter-spacing:.005em;color:var(--ink);margin:0 0 var(--sp-4);font-weight:700;line-height:1.05}h1{font-size:clamp(2.1rem,5.2vw,3.6rem)}h2{margin-top:var(--sp-7);font-size:clamp(1.6rem,3.4vw,2.4rem)}h3{margin-top:var(--sp-5);font-size:clamp(1.2rem,2vw,1.45rem);font-weight:600}h4{text-transform:uppercase;letter-spacing:.06em;font-size:1.05rem;font-weight:600}p{margin:0 0 var(--sp-4);max-width:var(--measure)}a{color:var(--gulf);text-underline-offset:2px;text-decoration-thickness:1px}a:hover{color:var(--gulf-deep)}strong{font-weight:600}small{font-size:.85rem}ul,ol{max-width:var(--measure)}img{max-width:100%;height:auto;display:block}hr{border:0;border-top:1px solid var(--line);margin:var(--sp-6) 0}:focus-visible{outline:3px solid var(--signal);outline-offset:2px}.skip-link{background:var(--ink);color:#fff;padding:var(--sp-3) var(--sp-4);z-index:100;position:absolute;top:0;left:-999px}.skip-link:focus{left:var(--sp-3);top:var(--sp-3);color:#fff}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;position:absolute!important}.wrap{width:100%;max-width:var(--wrap);padding-inline:var(--sp-5);margin-inline:auto}.wrap-narrow{width:100%;max-width:var(--wrap-narrow);padding-inline:var(--sp-5);margin-inline:auto}.section{padding-block:var(--sp-8)}.section--alt{background:var(--paper-alt)}.section--ink{background:var(--ink);color:#e7edf2;--caption-color:#b8c7d2}.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}.section--ink .eyebrow,.section--ink a{color:#9ecbe8}.lede{color:var(--ink-soft);max-width:60ch;font-size:clamp(1.15rem,2.3vw,1.4rem);line-height:1.5}.eyebrow{font-family:var(--display);text-transform:uppercase;letter-spacing:.12em;color:var(--gulf);margin:0 0 var(--sp-2);font-size:.8rem;font-weight:600}.prose h2{margin-top:var(--sp-7)}.prose>*{max-width:var(--measure)}.prose figure{max-width:none}.prose ul li,.prose ol li{margin-bottom:var(--sp-2)}.sources{margin:var(--sp-5) 0;max-width:62ch;padding:0;list-style:none}.sources li{margin:0 0 var(--sp-3)}.source{border-left:4px solid var(--line-strong);padding:var(--sp-3) var(--sp-4);background:var(--paper-alt);color:var(--ink);text-decoration:none;display:block}.source:hover{color:var(--ink);background:#e3eaef}.source .source__kind{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;width:max-content;margin-bottom:4px;font-size:.72rem;font-weight:600;display:block}.source .source__title{color:var(--gulf);font-weight:600;display:block}.source .source__note{color:var(--ink-soft);font-size:.92rem;display:block}.source--official{border-left-color:var(--gulf)}.source--official .source__kind{color:var(--gulf)}.source--live{border-left-color:var(--signal)}.source--live .source__kind{color:var(--signal-ink);background:var(--signal);padding:0 6px}.safety-note{border:2px solid var(--ink);border-left-width:8px;border-left-color:var(--signal);padding:var(--sp-4) var(--sp-5);margin:var(--sp-6) 0;background:#fff;max-width:64ch}.safety-note p:last-child{margin-bottom:0}.safety-note .safety-note__label{font-family:var(--display);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--sp-2);font-size:.85rem;font-weight:700;display:block}.btn{font-family:var(--display);letter-spacing:.02em;padding:var(--sp-3) var(--sp-5);border:2px solid var(--ink);color:var(--ink);background:#fff;font-size:1.05rem;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{color:#fff;background:var(--ink)}.btn--signal{background:var(--signal);border-color:var(--signal);color:var(--signal-ink)}.btn--signal:hover{background:var(--signal-ink);border-color:var(--signal-ink);color:#fff}.independence{color:var(--ink-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:var(--sp-4) 0;font-size:.9rem}.clip-waterline>picture>img,.clip-waterline>img{clip-path:url(#bca-waterline)}.clip-liftspan>picture>img,.clip-liftspan>img{clip-path:url(#bca-liftspan)}.river-band{clip-path:url(#bca-riverbank);padding-block:var(--sp-9)!important}.figure--disc{margin:0}.figure--disc picture,.figure--disc img{aspect-ratio:1;object-fit:cover;border-radius:50%;width:100%;height:100%;display:block}.figure--disc img{border:3px solid var(--paper)}.wayfinder{background:var(--gulf);color:#fff;width:3rem;height:3rem;font-family:var(--display);box-shadow:0 0 0 6px var(--paper);border-radius:50%;flex:none;place-items:center;font-size:1.2rem;font-weight:700;display:grid}.wayfinder--signal{background:var(--signal);color:var(--signal-ink)}.turning-path{pointer-events:none;z-index:0;position:absolute;inset:0;overflow:visible}.turning-path path{fill:none;stroke:var(--line-strong);stroke-width:2px;stroke-linecap:round;vector-effect:non-scaling-stroke}.counterweight-arc{fill:none;stroke:var(--signal);stroke-width:10px;stroke-linecap:round}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}@media print{:root{--gulf:#000;--ink:#000}body{color:#000;background:#fff;font-size:11pt}.site-header,.site-footer,.mobile-menu-toggle,.lead-media,.hero__media,nav.primary-nav,.skip-link{display:none!important}a{color:#000;text-decoration:underline}a[href^=http]:after{content:" (" attr(href) ")";word-break:break-all;font-size:.8em}.section,.section--alt,.section--ink{padding-block:.5rem;color:#000!important;background:#fff!important}.river-band{clip-path:none!important;padding-block:.5rem!important}.clip-waterline>picture>img,.clip-waterline>img,.clip-liftspan>picture>img,.clip-liftspan>img{clip-path:none!important}.figure--disc img{aspect-ratio:auto!important;border:0!important;border-radius:0!important}.turning-path,.counterweight-arc{display:none!important}.source{background:#fff;border:1px solid #999}h2,h3{page-break-after:avoid}figure,.safety-note{page-break-inside:avoid}}.wordmark[data-astro-cid-qisgtjgl]{color:var(--ink);align-items:center;gap:.6rem;text-decoration:none;display:inline-flex}.wordmark--inverse[data-astro-cid-qisgtjgl]{color:#fff}.wordmark__mark[data-astro-cid-qisgtjgl]{flex:none;display:block}.wordmark__text[data-astro-cid-qisgtjgl]{flex-direction:column;line-height:1;display:flex}.wordmark__name[data-astro-cid-qisgtjgl]{font-family:var(--display);letter-spacing:.01em;text-transform:uppercase;font-size:1.35rem;font-weight:700}.wordmark__sub[data-astro-cid-qisgtjgl]{font-family:var(--display);letter-spacing:.24em;text-transform:uppercase;color:var(--gulf);margin-top:2px;font-size:.78rem;font-weight:500}.wordmark--inverse[data-astro-cid-qisgtjgl] .wordmark__sub[data-astro-cid-qisgtjgl]{color:var(--signal)}.site-header[data-astro-cid-nen7h5rs]{z-index:40;background:var(--paper);border-bottom:2px solid var(--ink);position:sticky;top:0}.site-header__inner[data-astro-cid-nen7h5rs]{justify-content:space-between;align-items:center;gap:var(--sp-4);min-height:4.25rem;display:flex}.primary-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{align-items:center;gap:var(--sp-5);margin:0;padding:0;list-style:none;display:flex}.primary-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{font-family:var(--display);text-transform:uppercase;letter-spacing:.04em;color:var(--ink);border-bottom:3px solid #0000;padding:.4rem 0;font-size:1.02rem;font-weight:600;text-decoration:none}.primary-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover{color:var(--gulf)}.primary-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{border-bottom-color:var(--signal)}.primary-nav__aside[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{color:var(--ink-soft);font-weight:500}.mobile-menu-toggle[data-astro-cid-nen7h5rs]{font-family:var(--display);text-transform:uppercase;letter-spacing:.05em;background:var(--ink);color:#fff;cursor:pointer;border:0;align-items:center;gap:.5rem;padding:.55rem .9rem;font-size:1rem;font-weight:600;display:none}.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs],.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:before,.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:after{background:var(--signal);width:18px;height:2px;display:block;position:relative}.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:before,.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:after{content:"";position:absolute;left:0}.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:before{top:-5px}.mobile-menu-toggle__bars[data-astro-cid-nen7h5rs]:after{top:5px}@media (width<=860px){.site-header__inner[data-astro-cid-nen7h5rs]{flex-wrap:wrap}.primary-nav[data-astro-cid-nen7h5rs]{width:100%;display:block}.js .mobile-menu-toggle[data-astro-cid-nen7h5rs]{display:inline-flex}.js .primary-nav[data-astro-cid-nen7h5rs]{background:var(--paper);border-bottom:2px solid var(--ink);width:auto;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 8px 20px #101a261f}.js .primary-nav[data-astro-cid-nen7h5rs].is-open{display:block}.primary-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{padding:var(--sp-3) var(--sp-5) var(--sp-5);flex-direction:column;align-items:stretch;gap:0}.primary-nav[data-astro-cid-nen7h5rs] li[data-astro-cid-nen7h5rs]{border-top:1px solid var(--line)}.primary-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{padding:var(--sp-4) 0;padding-left:var(--sp-3);border-bottom:0;border-left:4px solid #0000;display:block}.primary-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{border-left-color:var(--signal)}}.site-footer[data-astro-cid-jo6i4kqk]{background:var(--ink);color:#cdd8e0;padding-block:var(--sp-8) var(--sp-6);margin-top:var(--sp-9)}.site-footer__inner[data-astro-cid-jo6i4kqk]{gap:var(--sp-6);padding-bottom:var(--sp-6);border-bottom:1px solid #2a3a4b;grid-template-columns:1.6fr 1fr 1fr;display:grid}.site-footer__tagline[data-astro-cid-jo6i4kqk]{color:#9fb1bf;margin-top:var(--sp-3);max-width:34ch;font-size:.95rem}.site-footer__nav[data-astro-cid-jo6i4kqk] h2[data-astro-cid-jo6i4kqk]{text-transform:uppercase;letter-spacing:.12em;color:var(--signal);margin:0 0 var(--sp-3);font-size:.8rem}.site-footer__nav[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{margin:0;padding:0;list-style:none}.site-footer__nav[data-astro-cid-jo6i4kqk] li[data-astro-cid-jo6i4kqk]{margin-bottom:var(--sp-2)}.site-footer__nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:#e7edf2;font-family:var(--display);font-weight:500;text-decoration:none}.site-footer__nav[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:#fff;text-decoration:underline}.site-footer__independence[data-astro-cid-jo6i4kqk]{color:#cdd8e0;max-width:90ch;padding-top:var(--sp-5);font-size:.9rem}.site-footer__meta[data-astro-cid-jo6i4kqk]{color:#899cab;max-width:90ch;font-size:.82rem}@media (width<=720px){.site-footer__inner[data-astro-cid-jo6i4kqk]{gap:var(--sp-5);grid-template-columns:1fr}}.bca-defs[data-astro-cid-7xam2thu]{width:0;height:0;position:absolute;overflow:hidden}