@charset "UTF-8";
:root{--paper:#f6f5ef;--white:#fff;--ink:#142d2b;--muted:#50635e;--line:#d7ded6;--green:#155746;--mint:#e6eee3;--gold:#e5b964;--serif:Georgia,'Times New Roman',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--paper);font:17px/1.7 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:var(--green);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input{font:inherit}button,a.button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #bf7c11;outline-offset:4px}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{line-height:1.15;letter-spacing:-.025em}h1,h2{font-family:var(--serif);font-weight:500}h1{font-size:clamp(2.4rem,5.8vw,5rem);margin-bottom:24px}h2{font-size:clamp(1.9rem,3vw,2.7rem);margin-bottom:20px}h3{font-size:1.23rem;line-height:1.4}p{margin-bottom:1.1em}img{max-width:100%;height:auto;display:block}.wrap{width:min(1180px,calc(100% - 64px));margin:auto}.skip-link{position:absolute;top:-100px;left:10px;background:white;padding:12px;z-index:9}.skip-link:focus{top:10px}.site-header{border-bottom:1px solid var(--line)}.header-row{min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}.brand-mark{width:48px;height:48px;background:var(--green);color:white;display:grid;place-items:center;font-size:19px;font-weight:750;border-radius:12px}.brand-name{display:block;font-weight:700;letter-spacing:-.02em}.brand-sub{display:block;font-size:11px;letter-spacing:.16em;text-transform:uppercase}.main-nav{display:flex;gap:29px;flex-wrap:wrap;font-size:14px;font-weight:600}.main-nav a{color:var(--ink);text-decoration:none}.main-nav a:hover,.main-nav 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img{width:100%;aspect-ratio:1/1;object-fit:cover}.photo-credit{font-size:10px;color:var(--muted);line-height:1.5;margin-top:12px;padding-right:4px}.photo-credit a{color:inherit}.photo-note{background:var(--white);border:1px solid var(--line);border-radius:9px;box-shadow:0 10px 24px #1634280b;padding:17px 22px;position:absolute;bottom:66px;left:-30px;max-width:270px;font-size:13px}.photo-note strong{display:block;font-family:var(--serif);font-size:23px;margin-bottom:5px}.section{padding:58px 0;border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:30px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:400px;color:var(--muted);font-size:15px;margin-bottom:0}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:28px;display:flex;flex-direction:column}.card .number{width:37px;height:37px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;margin-bottom:24px;color:var(--green);font:18px var(--serif)}.card h3{margin-bottom:12px}.card h3 a{color:var(--ink);text-decoration:none}.card h3 a:hover{text-decoration:underline}.card p{font-size:14px;color:var(--muted)}.card .card-link{margin-top:auto;font-size:13px;font-weight:700}.feature-band{border-radius:12px;background:var(--green);color:white;display:grid;grid-template-columns:1fr 1.1fr;gap:50px;padding:40px;margin-top:28px}.feature-band h2{font-size:2rem}.feature-band p{font-size:15px;color:#d7e5d9}.feature-band a{color:white}.feature-band .eyebrow{color:#e5cb8b}.evidence-list{margin:0;padding-left:22px;font-size:14px}.evidence-list li{padding:7px}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}.guide-link{border-top:1px solid var(--line);padding:27px 0;display:block;text-decoration:none;color:var(--ink)}.guide-link h3{font:26px/1.23 var(--serif);margin:8px 0 12px}.guide-link:hover h3{text-decoration:underline}.guide-link p{font-size:14px;color:var(--muted);margin:0}.guide-link .eyebrow{font-size:10px}.site-footer{background:#e9ede5;border-top:1px solid var(--line);margin-top:40px;padding:36px 0}.footer-row{display:flex;justify-content:space-between;gap:24px;font-size:12px}.footer-links{display:flex;gap:20px;flex-wrap:wrap}.footer-links a{color:var(--ink)}.footer-tagline{margin:9px 0 0;color:var(--muted);font-size:12px}.page-head{max-width:850px;padding:56px 0 32px}.page-head h1{font-size:clamp(2.4rem,4.6vw,3.8rem)}.crumbs{font-size:12px;color:var(--muted);margin-bottom:30px}.meta{font-size:12px;color:var(--muted)}.reading-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:70px;align-items:start}.toc{border-top:2px solid var(--green);padding-top:18px;font-size:13px;position:sticky;top:28px}.toc ol{padding-left:18px}.toc li{margin:0 0 12px}.toc a{color:var(--muted);text-decoration:none}.toc a:hover{text-decoration:underline}.prose{max-width:790px}.prose section{margin-bottom:48px}.prose h2{font-size:2rem;padding-top:8px}.prose h3{margin-top:24px}.prose li{margin-bottom:11px}.prose ul,.prose ol{padding-left:25px}.notice{background:var(--mint);border-left:3px solid var(--green);padding:20px 24px;font-size:15px;margin:25px 0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;margin:24px 0;background:white}table{width:100%;border-collapse:collapse;text-align:left;font-size:14px;line-height:1.6}th,td{padding:16px;vertical-align:top;border-bottom:1px solid var(--line)}thead{background:var(--mint)}tbody tr:last-child>*{border:0}caption{caption-side:bottom;font-size:12px;text-align:left;padding:13px;color:var(--muted)}.formula{padding:22px;background:var(--ink);color:white;border-radius:8px;font-family:ui-monospace,monospace;font-size:14px;line-height:2;margin:24px 0;overflow-wrap:anywhere}.fingerprint{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-all;font:13px/1.8 ui-monospace,monospace;background:var(--mint);padding:18px;border-radius:6px}.copy-map{display:flex;align-items:center;gap:8px;margin:24px 0;flex-wrap:wrap;background:white;padding:24px 16px;border:1px solid var(--line);border-radius:9px}.copy-map>div{flex:1;min-width:120px;text-align:center}.copy-map span:not(.map-arrow){display:block;font-size:11px;color:var(--muted)}.map-arrow{font-size:28px;text-align:center;color:var(--green)}.map-arrow small{display:block;font:10px system-ui}.sources,.author-box{border-top:1px solid var(--line);padding-top:25px;font-size:13px;color:var(--muted)}.sources h2,.author-box h2{font:24px var(--serif)}.sources li{margin-bottom:10px}.worksheet{background:white;padding:26px;border:1px dashed var(--muted);font-size:14px;overflow-wrap:anywhere}.tool-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:35px;align-items:start}.tool-panel{background:white;border:1px solid var(--line);border-radius:12px;padding:30px}.tool-panel h2{font-size:1.7rem}.tool-note{font-size:15px}.tool-note h2{font-size:1.7rem}.tool-panel label:not(.check){display:block;font-size:13px;font-weight:650;margin-bottom:7px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:22px}input:not([type=checkbox]){width:100%;min-width:0;padding:12px;border:1px solid #8d9e92;border-radius:6px;color:var(--ink);background:#fcfdf9}input[type=file]{font-size:13px;margin-bottom:22px}input[type=file]::file-selector-button{border:0;background:var(--mint);padding:8px;border-radius:4px;margin-right:10px;cursor:pointer}.hint{font-size:11px;color:var(--muted);display:block;font-weight:400;margin-top:6px}.check{display:flex;gap:13px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.6;align-items:start}.check input{margin-top:5px;width:19px;height:19px;flex-shrink:0;accent-color:var(--green)}fieldset{border:0;padding:0;margin:0}legend{font-weight:650;font-size:14px;margin-bottom:10px}.result{background:var(--mint);padding:25px;border-radius:9px;margin-top:24px;font-size:14px}.result h2{font:24px/1.3 var(--serif)}.result .total{font:42px var(--serif);margin:12px 0}.status{font-size:14px;line-height:1.6;margin:15px 0;min-height:1.6em}.error{color:#922910}.inline-form{display:flex;align-items:end;gap:12px}.inline-form>div{flex:1}.inline-form button{flex-shrink:0}.method{margin:45px 0 0;padding:30px 0;border-top:1px solid var(--line)}.method h2{font-size:1.8rem}.method p{font-size:15px}.text-page{max-width:790px;margin:0 auto;padding-top:55px}.text-page h1{font-size:3rem}.text-page h2{font-size:1.9rem;margin-top:38px}.text-page .eyebrow{margin-top:0}noscript{display:block;background:#fff0d6;padding:20px;border:1px solid #aa761e}code{font-size:.9em}[hidden]{display:none!important}
@media(max-width:950px){.hero{gap:40px}.photo-note{left:-12px}.reading-layout{grid-template-columns:180px minmax(0,1fr);gap:35px}.tool-layout{gap:22px}.card{padding:22px}.feature-band{gap:28px}.tool-panel{padding:24px}}
@media(max-width:720px){.wrap{width:calc(100% - 36px)}.header-row{align-items:start;flex-direction:column;gap:18px;padding:20px 0}.main-nav{gap:23px;font-size:13px;width:100%}.brand-sub{font-size:9px}.hero{grid-template-columns:1fr;padding:40px 0 30px;gap:30px}.hero h1{font-size:3.3rem}.hero-visual{max-width:500px;width:100%}.photo{border-radius:75px 75px 8px 8px}.photo img{aspect-ratio:4/3}.photo-note{left:12px;bottom:64px}.section{padding:34px 0}.section-heading{display:block}.section-heading>p{margin-top:15px}.cards,.feature-band,.guide-list,.reading-layout,.tool-layout{grid-template-columns:1fr}.cards{gap:13px}.card{padding:25px}.card .number{margin-bottom:18px}.feature-band{padding:26px;gap:12px}.footer-row{display:block}.footer-links{margin-top:20px;gap:16px}.page-head{padding:35px 0 18px}.page-head h1{font-size:2.6rem}.toc{position:static;font-size:13px}.toc ol{display:grid;grid-template-columns:1fr 1fr;gap:10px 25px}.toc li{margin:0}.reading-layout{gap:24px}.prose h2{font-size:1.8rem}.prose{font-size:16px}.prose section{margin-bottom:35px}.tool-panel{padding:21px}.fields{gap:18px 14px}.tool-panel .actions button{font-size:13px;padding:11px 13px}.text-page{padding-top:35px}.text-page h1{font-size:2.5rem}th,td{padding:12px;min-width:130px}.copy-map{gap:10px}.copy-map>div{min-width:85px}.copy-map strong{font-size:12px}.copy-map span:not(.map-arrow){font-size:10px}.map-arrow{font-size:17px}.map-arrow small{font-size:8px}.inline-form{flex-wrap:wrap}}
.hero h1{font-size:clamp(2.8rem,4.2vw,3.8rem)}
.prose,.toc,.tool-note{min-width:0}
.fixture-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.fixture-grid figure{margin:0;min-width:0}.fixture-grid img{width:100%;border:1px solid var(--line);border-radius:8px}.fixture-grid figcaption{font-size:12px;margin-top:8px}details{margin:18px 0}summary{cursor:pointer;font-weight:650;font-size:14px}.evidence-image{border:1px solid var(--line);border-radius:8px}.evidence-caption{font-size:12px;color:var(--muted);margin-top:10px}
@media(max-width:540px){.fixture-grid{grid-template-columns:1fr}.fixture-grid img{max-height:210px;object-fit:contain}.fixture-grid figcaption{margin-bottom:10px}}
.report-panel{margin-top:30px}.report-panel textarea{width:100%;resize:vertical;font:13px/1.6 ui-monospace,monospace;padding:15px;border:1px solid var(--line);border-radius:6px}.report-panel textarea:focus-visible{outline:3px solid #bf7c11;outline-offset:3px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;color:black;font-size:12pt}.site-header,.site-footer,.toc,.actions,.skip-link,.crumbs,#print-sheet{display:none}.wrap,.prose,.text-page{width:100%;max-width:none;padding:0}.reading-layout,.tool-layout{display:block}.page-head{padding:0}h1{font-size:28pt!important}h2{font-size:19pt!important}.table-wrap{overflow:visible}.worksheet{break-inside:avoid}.tool-panel{border:0;padding:0}.result{border:1px solid #777}a{color:black}.hero{display:block}.hero-visual{display:none}}