@font-face{font-family:Barlow;font-weight:400;font-display:swap;src:url(/fonts/barlow-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:500;font-display:swap;src:url(/fonts/barlow-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:Barlow;font-weight:600;font-display:swap;src:url(/fonts/barlow-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-weight:600;font-display:swap;src:url(/fonts/barlow-semi-condensed-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Semi Condensed";font-weight:700;font-display:swap;src:url(/fonts/barlow-semi-condensed-latin-700-normal.woff2) format("woff2")}
:root{--green:#0a5c3c;--paint:#f2c230;--bg:#fff;--panel:#e8ebe8;--ink:#1f2a33;--muted:#52606a;--line:#cfd5d1;--link:#0a5c3c;color-scheme:light;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0);padding-bottom:env(safe-area-inset-bottom,0)}
html{scroll-padding-top:env(safe-area-inset-top,0)}
@media (prefers-color-scheme:dark){:root{--bg:#151b1f;--panel:#1e272c;--ink:#e6ebe8;--muted:#9fb0a8;--line:#33403f;--green:#12794f;--link:#4fd09a;color-scheme:dark}}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.65 Barlow,system-ui,sans-serif;font-variant-numeric:tabular-nums}
h1,h2,h3,.brand,nav a,.num,th,.sub strong{font-family:"Barlow Semi Condensed",Barlow,system-ui,sans-serif}
a{color:var(--link)}
:focus-visible{outline:3px solid var(--paint);outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:var(--paint);color:#1f2a33;padding:8px 12px;z-index:9}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-size:26px;font-weight:700;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.brand b{font-weight:600;color:var(--link)}
nav{display:flex;gap:22px;flex-wrap:wrap}
nav a{font-size:18px;font-weight:600;color:var(--ink);text-decoration:none;padding:6px 0;border-bottom:3px solid transparent}
nav a:hover,nav a[aria-current]{border-color:var(--paint)}
.crumbs{font-size:15px;color:var(--muted);padding-top:18px}.crumbs a{color:var(--muted)}
.hero{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;padding:28px 0 48px;align-items:start}
h1{font-size:clamp(40px,6vw,64px);line-height:1.02;margin:0 0 16px;font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(28px,4vw,36px);line-height:1.12;margin:48px 0 12px;font-weight:700}
h3{font-size:22px;margin:24px 0 6px}
.lede{color:var(--muted);max-width:44ch;margin:0 0 12px}
.sign{background:var(--green);color:#fff;border-radius:16px;padding:7px}
.sign-in{border:2px solid #fff;border-radius:11px;padding:26px 26px 22px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:600;font-size:16px;margin-bottom:6px}
select,input{width:100%;font:500 20px Barlow,sans-serif;padding:11px 12px;border:2px solid transparent;border-radius:8px;background:#fff;color:#1f2a33}
.result{margin-top:24px;padding-top:18px;border-top:2px dashed rgba(255,255,255,.55)}
.num{font-size:clamp(64px,11vw,104px);font-weight:700;line-height:.95;letter-spacing:-.02em}
.unit{font-size:20px;font-weight:500;margin-left:8px}
.bar{display:block;width:96px;height:7px;background:var(--paint);margin:14px 0}
.sub{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sub span{display:block;font-size:15px;opacity:.9}.sub strong{font-size:26px;font-weight:600}
#err{margin:12px 0 0;font-size:16px;min-height:1.2em}
details{margin-top:16px}summary{cursor:pointer;font-weight:600}
.prose{max-width:70ch}.prose p,.prose li{margin:0 0 14px}.prose ol{padding-left:22px}
.answer{border-left:6px solid var(--paint);padding:4px 0 4px 16px;font-size:20px;max-width:64ch;margin:0 0 8px}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:18px}
th,td{text-align:right;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
th:first-child,td:first-child{text-align:left}
thead th{background:var(--panel);font-weight:600}
.meta{color:var(--muted);font-size:16px;margin-top:40px;border-top:1px solid var(--line);padding-top:16px;max-width:70ch}
footer .foot{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:14px}footer .foot a{color:var(--muted);padding:4px 0}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:15px;margin-top:56px}
@media (max-width:820px){.hero{grid-template-columns:1fr;gap:28px}}
@media (max-width:480px){.row{grid-template-columns:1fr}.sub strong{font-size:22px}.sign-in{padding:20px 16px}}
@media print{header,footer,.sign,nav{display:none}body{font-size:12pt}}

.prose h2+p,.prose h2+ul{margin-top:0}.prose ul{padding-left:22px}.toollist{list-style:none;padding:0}.toollist li{border-top:1px solid var(--line);padding:14px 0}.toollist a{font:700 24px "Barlow Semi Condensed",sans-serif}.toollist p{margin:2px 0 0;color:var(--muted)}
.sub2{margin-top:12px}input[type=number]{-moz-appearance:textfield}

.hl td{background:var(--paint);color:#1f2a33}.group{font:700 28px "Barlow Semi Condensed",sans-serif;margin:32px 0 0}.msg{margin:10px 0 0;font-size:16px;min-height:1.2em}

.byline{color:var(--muted);font-size:16px;margin:0 0 20px}
.feature{margin:0 0 28px}.feature img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}
.toc{background:var(--panel);border-radius:10px;padding:16px 22px;margin:0 0 28px;max-width:70ch}.toc strong{font:700 20px "Barlow Semi Condensed",sans-serif}.toc ol{margin:8px 0 0;padding-left:22px}.toc li{margin:4px 0}
.cite{font-size:.75em;vertical-align:super;line-height:0}
.sources li{margin:0 0 10px}.authorbox{border-top:3px solid var(--paint);margin-top:36px;padding-top:14px;max-width:70ch}.authorbox p{margin:0 0 8px}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:12px}.related a{font:700 22px "Barlow Semi Condensed",sans-serif}
.glist{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}.glist img{width:100%;height:auto;border-radius:10px;border:1px solid var(--line);display:block}.glist a{font:700 26px "Barlow Semi Condensed",sans-serif;display:block;margin:10px 0 4px}.glist p{margin:0;color:var(--muted)}

.authorbox{display:flex;gap:16px;align-items:flex-start}.authorbox img,.bio img{border-radius:50%;object-fit:cover;flex:none;display:block}
.bio{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start;margin-bottom:8px}.bio img{border-radius:16px;width:100%;height:auto}
@media (max-width:640px){.bio{grid-template-columns:1fr}.bio img{max-width:200px}}
.chips{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}.chips li{border:1px solid var(--line);border-radius:999px;padding:4px 14px;margin:0;font-size:16px}

.crumbs a{font:inherit;font-weight:400;border:0;padding:0;color:var(--muted)}.crumbs{display:block}
@media (max-width:640px){header .wrap{gap:0;padding-top:8px;padding-bottom:6px}nav{gap:2px 16px}nav a{font-size:16px;padding:6px 0}.brand{font-size:24px}}
.sign table{font-size:17px}.sign thead th{background:rgba(255,255,255,.16);color:#fff}.sign td,.sign th{border-bottom-color:rgba(255,255,255,.3)}.sign .scroll{margin-top:4px}
.sign table{font-size:17px}.sign th{background:rgba(255,255,255,.16);color:#fff}.sign td,.sign th{border-color:rgba(255,255,255,.35)}.note2{font-size:15px;margin:10px 0 0;opacity:.92}
.toc strong{display:block}
.sign td,.sign th{padding:9px 6px;white-space:normal}.sign table{font-size:16px}.sign th:nth-child(2),.sign td:nth-child(2){font-size:14px}
.cite a{text-decoration:none}.cite a+a{margin-left:2px}
@media (max-width:480px){.sign table{font-size:14px}.sign td,.sign th{padding:8px 3px}.sign th:nth-child(2),.sign td:nth-child(2){font-size:12px}}

.cards{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cards li{margin:0}.card{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:12px;overflow:hidden;text-decoration:none;color:var(--ink);background:var(--bg);transition:border-color .15s,transform .15s}
.card:hover{border-color:var(--green);transform:translateY(-2px)}.card img{display:block;width:100%;height:auto;border-bottom:1px solid var(--line)}
.card-t{font:700 24px/1.15 "Barlow Semi Condensed",sans-serif;padding:14px 16px 4px}.card-d{padding:0 16px 16px;color:var(--muted);font-size:16px;line-height:1.5}
.chip{background:var(--green);color:#fff;padding:16px;display:flex;flex-direction:column;gap:2px;min-height:96px;justify-content:flex-end}.chip small{font-size:15px;opacity:.9}.chip b{font:700 36px/1 "Barlow Semi Condensed",sans-serif;letter-spacing:-.01em}
.sec{margin:56px 0 0}.sec>h2{margin-top:0}.wrap.learn{margin-top:56px}
@media (max-width:900px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:600px){.cards{grid-template-columns:1fr}}
@media print{.cards{display:none}}
.sign th{background:rgba(0,0,0,.24)}.scroll:focus-visible{outline:3px solid var(--paint);outline-offset:2px}
.sign thead th{background:rgba(0,0,0,.24);color:#fff}.sign .cite a{color:#fff;text-decoration:underline}
.prose h2+ul.cards,.prose .cards{margin-top:22px}.group{margin-bottom:0}
.prose .cards{padding-left:0}.chip b{font-size:32px}

.btn{font:700 20px "Barlow Semi Condensed",sans-serif;background:var(--paint);color:#1f2a33;border:0;border-radius:8px;padding:12px 16px;cursor:pointer;width:100%;min-height:50px}.btn:hover{filter:brightness(.95)}
.vh{position:absolute;left:-9999px}#band{display:none}
@media print{body.pb>*:not(#band){display:none!important}body.pb #band{display:block;padding:10mm;color:#000;background:#fff;font:12pt/1.3 Barlow,Arial,sans-serif}body.pb #band h2{font-size:15pt;margin:0 0 4px}body.pb #band p{margin:0 0 8px}body.pb #band .cols{column-count:3;column-gap:8mm}body.pb #band table{width:100%;border-collapse:collapse;break-inside:auto}body.pb #band th,body.pb #band td{border:1px solid #000;padding:1.5mm 2.5mm;text-align:left;font-size:11pt}body.pb #band th{background:#ddd}body.pb #band .bfoot{margin-top:8px;font-size:9pt}}