:root{color:#203044;font-synthesis:none;background:#f7f9fb;font-family:Inter,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-width:320px;margin:0}a{color:inherit}button,input{font:inherit}button{cursor:pointer}::selection{color:#173d43;background:#d8e9e6}:focus-visible{outline-offset:3px;outline:3px solid #2f827f}.skip-link{z-index:100;background:#fff;border-radius:8px;padding:12px 16px;position:absolute;top:-70px;left:16px}.skip-link:focus{top:12px}.site-header{z-index:30;background:#fff;border-bottom:1px solid #e3e9ef;justify-content:space-between;align-items:center;height:72px;padding:0 32px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;display:flex}.brand-mark{color:#fff;letter-spacing:-.07em;background:#173d43;border-radius:11px;place-items:center;width:36px;height:36px;font-size:20px;font-weight:800;text-decoration:none;display:grid}.brand-mark span{color:#6bc4b6}.brand-copy{flex-direction:column;gap:1px;line-height:1.15;display:flex}.brand-copy a{letter-spacing:-.03em;color:#18323b;font-size:15px;font-weight:800;text-decoration:none}.brand-copy a span{color:#56818a;font-weight:500}.brand-copy small{letter-spacing:.085em;text-transform:uppercase;color:#78909b;font-size:10px;font-weight:700}.header-right{align-items:center;gap:20px;display:flex}.header-context{color:#667a88;border-right:1px solid #dce5ea;padding-right:20px;font-size:12px}.status-pill{color:#245b46;letter-spacing:.025em;text-transform:uppercase;background:#eff9f2;border:1px solid #cde7da;border-radius:99px;align-items:center;gap:7px;padding:7px 11px;font-size:11px;font-weight:800;display:flex}.status-pill span{background:#3d9c68;border-radius:50%;width:7px;height:7px}.mobile-menu{color:#26414c;background:0 0;border:1px solid #dce5ea;border-radius:9px;justify-content:center;align-items:center;width:40px;height:40px;display:none}.shell{grid-template-columns:268px minmax(0,1fr) 236px;max-width:1800px;min-height:calc(100vh - 72px);margin:auto;display:grid}.sidebar{background:#fff;border-right:1px solid #e3e9ef;min-width:0}.sidebar-inner{scrollbar-width:thin;height:calc(100vh - 72px);padding:28px 17px 30px 20px;position:sticky;top:72px;overflow-y:auto}.search-wrap label{color:#75909b;text-transform:uppercase;letter-spacing:.12em;margin:0 0 9px 12px;font-size:10px;font-weight:800;display:block}.search-control{color:#8296a1;background:#f8fafb;border:1px solid #e0e8ed;border-radius:8px;align-items:center;gap:7px;height:38px;padding:0 10px;display:flex}.search-control:focus-within{border-color:#3b8c8a;box-shadow:0 0 0 3px #d9efec}.search-control input{color:#203044;background:0 0;border:0;outline:0;flex:1;min-width:0;font-size:12px}.search-control input::placeholder{color:#9aabb4}.search-control kbd{color:#91a4ad;background:#fff;border:1px solid #dce6ea;border-radius:4px;padding:1px 5px;font-size:11px}.sidebar nav{margin-top:27px}.nav-home{color:#526c7a;border-radius:7px;align-items:center;gap:10px;padding:10px 12px;font-size:13px;font-weight:700;text-decoration:none;display:flex}.nav-home:hover,.nav-group a:hover{color:#176863;background:#eff7f5}.nav-home.active,.nav-group a.active{color:#176863;background:#e8f4f1;font-weight:750}.nav-group{margin-top:27px}.nav-group h2{color:#8a9da8;letter-spacing:.12em;text-transform:uppercase;margin:0 0 8px 12px;font-size:10px;font-weight:850}.nav-group ul{margin:0;padding:0;list-style:none}.nav-group a{color:#58707e;border-radius:7px;padding:9px 12px;font-size:12px;line-height:1.35;text-decoration:none;transition:background .18s,color .18s;display:block}.nav-group li[hidden],.nav-group[hidden],.no-results[hidden]{display:none}.no-results{color:#647b87;padding:4px 12px;font-size:12px}.sidebar-note{color:#91a3ad;border-top:1px solid #e8edf0;margin:32px 0 0;padding:17px 10px 0;font-size:11px;line-height:1.55}.main-content{min-width:0}.content-wrap{max-width:960px;margin:0 auto;padding:50px clamp(26px,5vw,76px) 100px}.eyebrow{letter-spacing:.13em;text-transform:uppercase;color:#33807d;margin:0 0 19px;font-size:11px;font-weight:850}.outline{background:#f9fbfc;border-left:1px solid #e3e9ef;min-width:0}.outline-inner{max-height:calc(100vh - 72px);padding:47px 20px 28px;position:sticky;top:72px;overflow:auto}.outline h2{text-transform:uppercase;letter-spacing:.13em;color:#8197a2;margin:0 0 18px;font-size:10px;font-weight:850}.outline ul{border-left:1px solid #d9e4e8;margin:0;padding:0;list-style:none}.outline li a{color:#647b87;border-left:2px solid #0000;margin-left:-1px;padding:7px 0 7px 13px;font-size:11px;line-height:1.45;text-decoration:none;display:block}.outline li.nested a{padding-left:24px}.outline li a:hover{color:#166c67;border-color:#348c83}.source-label{border-top:1px solid #e0e9ed;margin-top:29px;padding-top:19px}.source-label span{color:#8a9fa9;text-transform:uppercase;letter-spacing:.1em;margin-bottom:9px;font-size:10px;font-weight:750;display:block}.source-label code{color:#6a7f89;overflow-wrap:anywhere;font-size:10px;line-height:1.5;display:block}.markdown-body{color:#344b5a;overflow-wrap:anywhere;font-size:15px;line-height:1.78}.markdown-body>:first-child{margin-top:0}.markdown-body h1,.landing-intro h1{color:#19313e;letter-spacing:-.045em;font-weight:780;line-height:1.16}.markdown-body h1{border-bottom:1px solid #dfe8ec;margin:0 0 27px;padding-bottom:25px;font-size:clamp(31px,4vw,45px)}.markdown-body h2,.markdown-body h3,.markdown-body h4{color:#1f3947;letter-spacing:-.025em;scroll-margin-top:100px;line-height:1.3}.markdown-body h2{margin:55px 0 18px;padding-top:4px;font-size:25px}.markdown-body h3{margin:34px 0 11px;font-size:19px}.markdown-body h4{margin:27px 0 9px;font-size:16px}.markdown-body p,.markdown-body ul,.markdown-body ol{margin:0 0 18px}.markdown-body li{margin:4px 0}.markdown-body ul,.markdown-body ol{padding-left:25px}.markdown-body a{color:#176e70;text-underline-offset:3px;text-decoration-thickness:1px}.markdown-body a:hover{color:#0d504f}.markdown-body strong{color:#213b47}.markdown-body code{color:#244f5e;background:#eaf0f3;border-radius:4px;padding:2px 5px;font:.88em ui-monospace,SFMono-Regular,Consolas,monospace}.markdown-body pre{border:1px solid #24404b;border-radius:11px;margin:22px 0 27px;padding:20px;line-height:1.5;overflow:auto;background:#172b36!important}.markdown-body pre code{color:inherit;background:0 0;padding:0;font-size:12px}.markdown-body blockquote{color:#5b7280;background:linear-gradient(90deg,#edf8f6,#0000);border-left:3px solid #55a79b;margin:25px 0;padding:3px 0 3px 19px}.markdown-body blockquote p:last-child{margin-bottom:0}.markdown-body table{border-collapse:collapse;max-width:100%;margin:25px 0 32px;font-size:13px;display:block;overflow-x:auto}.markdown-body th,.markdown-body td{vertical-align:top;border:1px solid #dce6eb;min-width:110px;padding:9px 12px}.markdown-body th{color:#27414d;text-align:left;background:#edf3f5;font-weight:750}.markdown-body tr:nth-child(2n) td{background:#fbfcfd}.markdown-body hr{border:0;border-top:1px solid #dce6eb;margin:40px 0}.markdown-body img{max-width:100%;height:auto}.markdown-body input[type=checkbox]{accent-color:#287e77}.page-switcher{border-top:1px solid #dfe8ec;grid-template-columns:1fr 1fr;gap:15px;margin-top:75px;padding-top:27px;display:grid}.page-switcher a{background:#fff;border:1px solid #dce6eb;border-radius:10px;min-height:81px;padding:16px 18px;text-decoration:none;transition:border-color .18s,transform .18s}.page-switcher a:hover{border-color:#66aaa0;transform:translateY(-2px)}.page-switcher a:last-child{text-align:right}.page-switcher a span{color:#8ca0aa;text-transform:uppercase;letter-spacing:.12em;margin-bottom:7px;font-size:10px;font-weight:800;display:block}.page-switcher a strong{color:#214b50;font-size:13px;line-height:1.4;display:block}.landing-intro{border-bottom:1px solid #dfe7ec;padding:37px 0 58px}.intro-kicker{letter-spacing:.17em;color:#287c77;align-items:center;gap:10px;margin-bottom:25px;font-size:10px;font-weight:850;display:flex}.kicker-line{background:#358b84;width:22px;height:2px}.landing-intro h1{max-width:700px;margin:0 0 23px;font-size:clamp(40px,5vw,66px)}.landing-intro h1 em{color:#348c84;font-style:normal}.landing-intro>p{color:#607785;max-width:570px;margin:0;font-size:17px;line-height:1.6}.intro-meta{color:#79909c;text-transform:uppercase;letter-spacing:.09em;align-items:center;gap:11px;margin-top:35px;font-size:11px;font-weight:700;display:flex}.landing-section{margin-top:60px}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section-index{letter-spacing:.16em;color:#39938a;font-size:10px;font-weight:850}.section-heading h2{color:#1d3743;letter-spacing:-.04em;margin:7px 0 0;font-size:28px}.section-heading p{color:#8095a0;margin:0 0 4px;font-size:12px}.featured-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.featured-card{background:#fff;border:1px solid #e0e8ec;border-radius:12px;flex-direction:column;min-height:216px;padding:20px;text-decoration:none;transition:transform .2s,border-color .2s,box-shadow .2s;display:flex;position:relative}.featured-card:hover{border-color:#9acbc3;transform:translateY(-3px);box-shadow:0 10px 25px #173e4310}.card-number{color:#7fa59f;letter-spacing:.13em;font-size:11px;font-weight:850}.card-arrow{color:#4d948b;font-size:20px;position:absolute;top:15px;right:20px}.featured-card h3{color:#193b45;letter-spacing:-.025em;margin:25px 0 7px;font-size:18px}.featured-card p{color:#738a96;margin:0 0 22px;font-size:12px;line-height:1.55}.card-cta{color:#247b74;margin-top:auto;font-size:11px;font-weight:800}.card-cta span{padding-left:4px}.category-section{margin-top:66px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;display:grid}.category-card{background:#fff;border:1px solid #e1e9ed;border-radius:11px;padding:19px 20px 15px}.category-top{color:#9aabb3;letter-spacing:.07em;text-transform:uppercase;justify-content:space-between;align-items:center;font-size:10px;font-weight:800;display:flex}.category-top span:first-child{color:#4d9b91}.category-card h3{color:#24404c;letter-spacing:-.02em;margin:13px 0 12px;font-size:17px}.category-card ul{margin:0;padding:0;list-style:none}.category-card li{border-top:1px solid #edf1f3}.category-card a{color:#5d7682;justify-content:space-between;align-items:center;gap:10px;padding:9px 0;font-size:12px;text-decoration:none;display:flex}.category-card a:hover{color:#16766f}.category-card a span{color:#9bb1b9}@media (width<=1250px){.shell{grid-template-columns:250px minmax(0,1fr)}.outline{display:none}.content-wrap{max-width:950px}}@media (width<=860px){.site-header{height:64px;padding:0 19px}.shell{min-height:calc(100vh - 64px);display:block}.sidebar{border-bottom:1px solid #e3e9ef;border-right:0;position:relative}.sidebar-inner{height:auto;padding:16px 21px 20px;position:static}.sidebar nav{margin-top:15px}.sidebar-note{display:none}.js .mobile-menu{display:flex}.js .sidebar:not(.open){display:none}.content-wrap{padding:32px 24px 75px}.header-context{display:none}}@media (width<=600px){.site-header{padding:0 14px}.brand-copy small{display:none}.status-pill{padding:6px 8px;font-size:9px}.header-right{gap:10px}.landing-intro{padding:23px 0 42px}.landing-intro h1{font-size:40px}.landing-intro>p{font-size:15px}.intro-meta{flex-wrap:wrap;line-height:1.8}.section-heading{flex-direction:column;align-items:start;gap:7px}.featured-grid,.category-grid{grid-template-columns:1fr}.featured-card{min-height:175px}.featured-card h3{margin-top:20px}.page-switcher{grid-template-columns:1fr}.page-switcher>span{display:none}.page-switcher a:last-child{text-align:left}.markdown-body{font-size:14px}.markdown-body h1{font-size:32px}.markdown-body h2{font-size:23px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}:root{color-scheme:light}.theme-toggle{color:#315761;background:#fff;border:1px solid #dce5ea;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;transition:background .2s,border-color .2s,color .2s;display:none}.js .theme-toggle{display:inline-flex}.theme-toggle:hover{color:#176863;background:#eff7f5;border-color:#86bbb1}.theme-toggle .icon-sun{display:none}:root[data-theme=dark] .theme-toggle .icon-sun{display:block}:root[data-theme=dark] .theme-toggle .icon-moon{display:none}@media (width<=380px){.status-pill{display:none}}:root[data-theme=dark]{color-scheme:dark;--night-bg:#101a20;--night-surface:#18272f;--night-raised:#20323b;--night-border:#344b55;--night-text:#d5e4e8;--night-heading:#f1f7f7;--night-muted:#a9bdc6;--night-accent:#8ad8c9;--night-hover:#24433f;color:var(--night-text);background:var(--night-bg)}:root[data-theme=dark] ::selection{color:#fff;background:#376960}:root[data-theme=dark] :focus-visible{outline-color:var(--night-accent)}:root[data-theme=dark] .skip-link{background:var(--night-raised);color:var(--night-heading)}:root[data-theme=dark] .site-header,:root[data-theme=dark] .sidebar,:root[data-theme=dark] .page-switcher a,:root[data-theme=dark] .featured-card,:root[data-theme=dark] .category-card{background:var(--night-surface);border-color:var(--night-border)}:root[data-theme=dark] .outline{border-color:var(--night-border);background:#142129}:root[data-theme=dark] .brand-mark{background:#24645f}:root[data-theme=dark] .brand-copy a,:root[data-theme=dark] .markdown-body h1,:root[data-theme=dark] .markdown-body h2,:root[data-theme=dark] .markdown-body h3,:root[data-theme=dark] .markdown-body h4,:root[data-theme=dark] .markdown-body strong,:root[data-theme=dark] .landing-intro h1,:root[data-theme=dark] .section-heading h2,:root[data-theme=dark] .featured-card h3,:root[data-theme=dark] .category-card h3,:root[data-theme=dark] .page-switcher a strong{color:var(--night-heading)}:root[data-theme=dark] .brand-copy a span,:root[data-theme=dark] .eyebrow,:root[data-theme=dark] .intro-kicker,:root[data-theme=dark] .section-index,:root[data-theme=dark] .landing-intro h1 em,:root[data-theme=dark] .card-cta,:root[data-theme=dark] .category-top span:first-child{color:var(--night-accent)}:root[data-theme=dark] .header-context,:root[data-theme=dark] .brand-copy small,:root[data-theme=dark] .search-wrap label,:root[data-theme=dark] .nav-group h2,:root[data-theme=dark] .sidebar-note,:root[data-theme=dark] .outline h2,:root[data-theme=dark] .source-label span,:root[data-theme=dark] .page-switcher a span,:root[data-theme=dark] .intro-meta,:root[data-theme=dark] .section-heading p,:root[data-theme=dark] .category-top{color:var(--night-muted)}:root[data-theme=dark] .header-context,:root[data-theme=dark] .sidebar-note,:root[data-theme=dark] .source-label,:root[data-theme=dark] .outline ul,:root[data-theme=dark] .outline li a,:root[data-theme=dark] .markdown-body h1,:root[data-theme=dark] .markdown-body hr,:root[data-theme=dark] .page-switcher,:root[data-theme=dark] .landing-intro,:root[data-theme=dark] .category-card li{border-color:var(--night-border)}:root[data-theme=dark] .status-pill{color:#c5f0d5;background:#1b392f;border-color:#396b54}:root[data-theme=dark] .status-pill span{background:#74d298}:root[data-theme=dark] .theme-toggle,:root[data-theme=dark] .mobile-menu{background:var(--night-raised);border-color:var(--night-border);color:var(--night-accent)}:root[data-theme=dark] .theme-toggle:hover,:root[data-theme=dark] .mobile-menu:hover{background:var(--night-hover);border-color:#6bb7a9}:root[data-theme=dark] .search-control{border-color:var(--night-border);color:var(--night-muted);background:#1e3039}:root[data-theme=dark] .search-control:focus-within{border-color:var(--night-accent);box-shadow:0 0 0 3px #326058}:root[data-theme=dark] .search-control input{color:var(--night-heading)}:root[data-theme=dark] .search-control input::placeholder{color:var(--night-muted)}:root[data-theme=dark] .search-control kbd{background:var(--night-surface);border-color:var(--night-border);color:var(--night-muted)}:root[data-theme=dark] .nav-home,:root[data-theme=dark] .nav-group a,:root[data-theme=dark] .outline li a,:root[data-theme=dark] .source-label code,:root[data-theme=dark] .no-results,:root[data-theme=dark] .markdown-body,:root[data-theme=dark] .landing-intro>p,:root[data-theme=dark] .featured-card p,:root[data-theme=dark] .category-card a{color:var(--night-text)}:root[data-theme=dark] .nav-home:hover,:root[data-theme=dark] .nav-group a:hover,:root[data-theme=dark] .nav-home.active,:root[data-theme=dark] .nav-group a.active{background:var(--night-hover);color:#b7f1e7}:root[data-theme=dark] .outline li a:hover{border-color:var(--night-accent);color:var(--night-accent)}:root[data-theme=dark] .markdown-body a,:root[data-theme=dark] .category-card a:hover{color:var(--night-accent)}:root[data-theme=dark] .markdown-body a:hover{color:#b7f1e7}:root[data-theme=dark] .markdown-body code{color:#c1ece8;background:#253c45}:root[data-theme=dark] .markdown-body pre{border-color:var(--night-border);background:#0c151c!important}:root[data-theme=dark] .markdown-body pre code{color:inherit;background:0 0}:root[data-theme=dark] .markdown-body blockquote{color:var(--night-text);background:linear-gradient(90deg,#1a3839,#0000);border-color:#76c9b9}:root[data-theme=dark] .markdown-body th,:root[data-theme=dark] .markdown-body td{border-color:var(--night-border)}:root[data-theme=dark] .markdown-body th{color:var(--night-heading);background:#253b44}:root[data-theme=dark] .markdown-body tr:nth-child(2n) td{background:#1a2b33}:root[data-theme=dark] .markdown-body input[type=checkbox]{accent-color:var(--night-accent)}:root[data-theme=dark] .page-switcher a:hover,:root[data-theme=dark] .featured-card:hover{border-color:#76c9b9;box-shadow:0 10px 25px #0004}:root[data-theme=dark] .kicker-line{background:var(--night-accent)}:root[data-theme=dark] .card-number,:root[data-theme=dark] .card-arrow,:root[data-theme=dark] .category-card a span{color:var(--night-accent)}