.Sbxnva_page{--history-blue:#1860a8;--history-ink:#2a2a2a;--history-paper:#f4ebd9;--history-line:#d9d1c1;color:var(--history-ink);background:var(--history-paper);font-family:Segoe UI,system-ui,sans-serif}.Sbxnva_page:before{content:"";top:0;background:var(--history-paper);z-index:19;pointer-events:none;height:82px;position:fixed;inset-inline:0}.Sbxnva_page a,.Sbxnva_page button,.Sbxnva_page select{-webkit-tap-highlight-color:transparent}.Sbxnva_page a:focus-visible,.Sbxnva_page button:focus-visible,.Sbxnva_page select:focus-visible,.Sbxnva_tabPanel:focus-visible{outline:3px solid var(--history-blue);outline-offset:5px}.Sbxnva_hero{padding:108px 32px 0}.Sbxnva_heroInner,.Sbxnva_tabsInner,.Sbxnva_milestones,.Sbxnva_reader,.Sbxnva_references{width:min(100%,1240px);margin-inline:auto}.Sbxnva_breadcrumb{color:#625c50;align-items:center;gap:12px;font-size:12px;display:flex}.Sbxnva_breadcrumb a{text-underline-offset:4px;padding-block:10px;text-decoration:underline}.Sbxnva_heroGrid{grid-template-columns:1.08fr 1fr;align-items:center;gap:60px;padding:30px 0 44px;display:grid}.Sbxnva_eyebrow{color:var(--history-blue);letter-spacing:.11em;text-transform:uppercase;font-size:11px;font-weight:700;line-height:1.7}.Sbxnva_heroTitle{letter-spacing:-.045em;margin:22px 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(54px,6.3vw,88px);font-weight:400;line-height:1.02}.Sbxnva_heroTitle em{color:var(--history-blue);font-weight:400}.Sbxnva_heroDescription{color:#554f44;max-width:370px;font-size:17px;line-height:1.75}.Sbxnva_heroActions{flex-wrap:wrap;align-items:center;gap:16px 26px;margin-top:28px;display:flex}.Sbxnva_readLink{min-height:46px;color:var(--history-blue);border-bottom:1px solid var(--history-blue);align-items:center;gap:20px;padding:11px 0;font-size:14px;font-weight:700;display:inline-flex}.Sbxnva_readLink svg{transition:transform .2s}.Sbxnva_readLink:hover svg{transform:translateY(3px)}.Sbxnva_readTime{color:#625c50;font-size:12px}.Sbxnva_heroFigure{min-width:0;margin:0}.Sbxnva_photoFrame{aspect-ratio:1.23;background:#c6d1d6;border-radius:70px 4px 4px;position:relative;overflow:hidden}.Sbxnva_heroPhoto{object-fit:cover;object-position:center}.Sbxnva_photoLabel{background:var(--history-blue);color:#fff;justify-content:space-between;align-items:center;gap:12px;padding:18px 24px;font-size:12px;font-weight:600;display:flex;position:absolute;bottom:0;left:0;right:0}.Sbxnva_photoCaption{color:#625c50;justify-content:space-between;gap:12px;margin-top:14px;font-size:10px;line-height:1.6;display:flex}.Sbxnva_heroFoot{border-top:1px solid var(--history-line);letter-spacing:.03em;color:#625c50;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;font-size:11px;line-height:1.6;display:flex}.Sbxnva_readingArea{scroll-margin-top:90px}.Sbxnva_tabsBar{z-index:20;background:var(--history-paper);border-block:1px solid var(--history-line);padding-inline:32px;position:sticky;top:82px}.Sbxnva_tabsInner{justify-content:space-between;align-items:center;display:flex}.Sbxnva_tabs{gap:30px;display:flex}.Sbxnva_tab{color:#625c50;cursor:pointer;align-items:center;gap:10px;min-height:66px;padding:16px 0;font-size:14px;font-weight:600;display:inline-flex;position:relative}.Sbxnva_tab[aria-selected=true]{color:var(--history-blue)}.Sbxnva_tab[aria-selected=true]:after{content:"";background:var(--history-blue);bottom:-1px;height:3px;position:absolute;inset-inline:0}.Sbxnva_tabCount{text-align:center;color:#625c50;background:#e6ddcb;border-radius:4px;min-width:24px;padding:2px 5px;font-size:11px}.Sbxnva_tabsNote{color:#625c50;font-size:11px}.Sbxnva_tabPanel{min-width:0}.Sbxnva_milestones{padding:42px 32px 48px}.Sbxnva_milestoneLine{border-top:1px solid #b1a899;grid-template-columns:repeat(6,minmax(0,1fr));margin-top:25px;display:grid}.Sbxnva_milestoneLine a{flex-direction:column;gap:5px;min-height:70px;padding:16px 0 6px;display:flex;position:relative}.Sbxnva_milestoneLine a:before{content:"";background:var(--history-blue);width:1px;height:9px;position:absolute;top:-4px;left:0}.Sbxnva_milestoneYear{color:var(--history-blue);font-family:Georgia,Times New Roman,serif;font-size:25px}.Sbxnva_milestoneName{color:#625c50;font-size:11px}.Sbxnva_milestoneLine a:hover .Sbxnva_milestoneName{text-underline-offset:4px;text-decoration:underline}.Sbxnva_reader{grid-template-columns:235px minmax(0,720px);align-items:start;column-gap:100px;padding:20px 32px 100px;display:grid}.Sbxnva_index{min-width:0;position:sticky;top:175px}.Sbxnva_indexLabel{letter-spacing:.1em;text-transform:uppercase;color:var(--history-blue);font-size:11px;font-weight:700}.Sbxnva_indexCount{color:#625c50;margin:9px 0 22px;font-size:11px}.Sbxnva_indexLinks{scrollbar-width:thin;scrollbar-color:#b9ae9c transparent;overscroll-behavior:contain;max-height:calc(100dvh - 265px);padding-right:14px;overflow-y:auto}.Sbxnva_indexLinks a{color:#625c50;border-left:1px solid #c7bcaa;padding:10px 0 10px 17px;font-size:12px;line-height:1.6;transition:color .15s;display:block}.Sbxnva_indexLinks a span{color:#625c50;letter-spacing:.03em;margin-bottom:2px;font-size:10px;display:block}.Sbxnva_indexLinks a[aria-current=location]{border-left:2px solid var(--history-blue);color:var(--history-blue);font-weight:600}.Sbxnva_indexLinks a:hover{color:var(--history-blue)}.Sbxnva_mobileIndex{display:none}.Sbxnva_article{min-width:0}.Sbxnva_article section{scroll-margin-top:180px}.Sbxnva_article h2{letter-spacing:-.025em;text-wrap:balance;margin-bottom:28px;font-family:Georgia,Times New Roman,serif;font-size:clamp(30px,3vw,40px);font-weight:400;line-height:1.15}.Sbxnva_introduction .Sbxnva_eyebrow{margin-bottom:18px}.Sbxnva_lead{color:var(--history-blue);margin-bottom:30px;font-size:20px;line-height:1.75}.Sbxnva_prose{color:#48443d;font-size:18px;line-height:1.85}.Sbxnva_prose p+p{margin-top:20px}.Sbxnva_chapter{border-top:1px solid var(--history-line);margin-top:54px;padding-top:45px}.Sbxnva_chapterMeta{letter-spacing:.06em;text-transform:uppercase;color:#625c50;justify-content:space-between;gap:16px;margin-bottom:18px;font-size:11px;display:flex}.Sbxnva_chapterMeta span:last-child{color:var(--history-blue);font-weight:700}.Sbxnva_ending{border-top:3px solid var(--history-blue);margin-top:70px;padding-top:40px}.Sbxnva_ending .Sbxnva_eyebrow{margin-bottom:20px}.Sbxnva_endingLink{color:var(--history-blue);border-bottom:1px solid var(--history-blue);align-items:center;gap:14px;min-height:48px;margin-top:32px;padding-block:10px;font-size:14px;font-weight:700;display:inline-flex}.Sbxnva_references{padding:60px 32px 100px}.Sbxnva_referencesHeader{max-width:670px;margin-bottom:56px}.Sbxnva_referencesHeader h2{letter-spacing:-.035em;margin-block:20px 24px;font-family:Georgia,Times New Roman,serif;font-size:clamp(36px,4.2vw,56px);font-weight:400;line-height:1.08}.Sbxnva_referencesHeader>p:last-child{color:#554f44;font-size:16px;line-height:1.85}.Sbxnva_referenceGroup{border-top:1px solid #c7bcaa;grid-template-columns:235px minmax(0,720px);gap:100px;margin-top:46px;padding-top:32px;display:grid}.Sbxnva_groupHeading>span{color:var(--history-blue);margin-bottom:12px;font-family:Georgia,Times New Roman,serif;font-size:30px;display:block}.Sbxnva_groupHeading h3{max-width:200px;font-size:16px;font-weight:600;line-height:1.6}.Sbxnva_referenceList{margin:0;padding:0;list-style:none}.Sbxnva_referenceList li{padding:0 0 25px}.Sbxnva_referenceList li+li{border-top:1px solid var(--history-line);padding-top:25px}.Sbxnva_referenceInstitution{letter-spacing:.055em;text-transform:uppercase;color:#625c50;margin-bottom:8px;font-size:10px;line-height:1.7}.Sbxnva_referenceLink,.Sbxnva_referenceTitle{overflow-wrap:anywhere;font-size:18px;font-weight:600;line-height:1.6}.Sbxnva_referenceLink{min-height:44px;color:var(--history-blue);justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.Sbxnva_referenceLink svg{flex-shrink:0;margin-top:5px}.Sbxnva_referenceLink:hover{text-underline-offset:4px;text-decoration:underline}.Sbxnva_referenceDescription{color:#625c50;margin-top:8px;font-size:13px;line-height:1.75}.Sbxnva_documentNote{color:#625c50;align-items:center;gap:7px;margin-top:10px;font-size:11px;display:inline-flex}@media (min-width:1500px){.Sbxnva_hero{padding-top:130px}.Sbxnva_heroGrid{padding-block:40px 55px}}@media (max-width:1100px){.Sbxnva_heroGrid{gap:35px}.Sbxnva_heroTitle{font-size:64px}.Sbxnva_reader,.Sbxnva_referenceGroup{grid-template-columns:195px minmax(0,1fr);gap:55px}.Sbxnva_tabsNote{display:none}}@media (max-width:900px){.Sbxnva_hero{padding:100px 24px 0}.Sbxnva_heroGrid{grid-template-columns:minmax(0,1fr);gap:32px;padding:20px 0 26px}.Sbxnva_eyebrow{font-size:10px}.Sbxnva_heroTitle{margin-block:18px;font-size:clamp(45px,10.8vw,76px)}.Sbxnva_heroDescription{max-width:440px;font-size:16px}.Sbxnva_heroActions{gap:18px;margin-top:18px}.Sbxnva_photoFrame{aspect-ratio:1.45;border-top-left-radius:48px}.Sbxnva_photoLabel{padding:13px 17px;font-size:10px}.Sbxnva_photoCaption{gap:14px;font-size:9px}.Sbxnva_heroFoot{align-items:flex-start;gap:15px;font-size:10px}.Sbxnva_heroFoot span{max-width:46%}.Sbxnva_tabsBar{padding-inline:24px;top:78px}.Sbxnva_page:before{height:78px}.Sbxnva_tabs{gap:25px;width:100%}.Sbxnva_tab{gap:8px;min-height:60px;font-size:13px}.Sbxnva_milestones{padding:30px 24px}.Sbxnva_milestoneLine{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:14px}.Sbxnva_milestoneLine a:nth-child(n+4){border-top:1px solid #b1a899}.Sbxnva_milestoneYear{font-size:23px}.Sbxnva_milestoneName{font-size:10px}.Sbxnva_reader{padding:18px 24px 60px;display:block}.Sbxnva_index{z-index:10;background:var(--history-paper);border-bottom:1px solid var(--history-line);margin-bottom:30px;padding-block:12px;position:sticky;top:140px}.Sbxnva_desktopIndex{display:none}.Sbxnva_mobileIndex{display:block}.Sbxnva_mobileIndex label{color:var(--history-blue);letter-spacing:.03em;margin-bottom:10px;font-size:11px;font-weight:700;display:block}.Sbxnva_mobileIndex select{width:100%;min-height:48px;color:var(--history-ink);text-overflow:ellipsis;background:#faf5eb;border:1px solid #b9ae9c;border-radius:4px;padding:12px 35px 12px 12px;font-size:13px}.Sbxnva_article h2{margin-bottom:24px;font-size:32px}.Sbxnva_article section{scroll-margin-top:250px}.Sbxnva_lead{font-size:18px}.Sbxnva_prose{font-size:17px;line-height:1.85}.Sbxnva_prose p+p{margin-top:18px}.Sbxnva_chapter{margin-top:38px;padding-top:30px}.Sbxnva_chapterMeta{font-size:10px}.Sbxnva_ending{margin-top:45px}.Sbxnva_references{padding:38px 24px 60px}.Sbxnva_referencesHeader{margin-bottom:30px}.Sbxnva_referencesHeader h2{font-size:38px}.Sbxnva_referenceGroup{grid-template-columns:minmax(0,1fr);gap:26px;margin-top:30px;padding-top:25px}.Sbxnva_groupHeading{align-items:baseline;gap:20px;display:flex}.Sbxnva_groupHeading>span{margin:0;font-size:24px}.Sbxnva_groupHeading h3{max-width:none;font-size:15px}.Sbxnva_referenceLink,.Sbxnva_referenceTitle{font-size:16px}}@media (max-width:360px){.Sbxnva_heroTitle{font-size:39px}.Sbxnva_tabs{gap:20px}}@media (prefers-reduced-motion:reduce){html:has(.Sbxnva_page){scroll-behavior:auto}.Sbxnva_readLink svg,.Sbxnva_indexLinks a{transition:none}}