@font-face{font-family:THSans;src:url(/fonts/thlabs-sans-regular.woff2)format("woff2");font-weight:400;font-display:swap}@font-face{font-family:THSans;src:url(/fonts/thlabs-sans-semibold.woff2)format("woff2");font-weight:600;font-display:swap}@font-face{font-family:THMono;src:url(/fonts/thlabs-mono-regular.woff2)format("woff2");font-weight:400;font-display:swap}:root{color-scheme:light;--surface:#fff;--surface-alt:#f1f4ed;--surface-raised:#fff;--text:#111716;--muted:#50604d;--accent:#b6f36a;--accent-ink:#295b24;--accent-soft:#e2efcf;--border:#77866e;--rule:#c8d0c2;--graphic-line:#63715c;--header-bg:#ffffffed;--content:1240px;--gutter:clamp(20px,5vw,72px);--sans:THSans,system-ui,sans-serif;--mono:THMono,ui-monospace,monospace}:root[data-theme=dark]{color-scheme:dark;--surface:#111716;--surface-alt:#1b2520;--surface-raised:#233027;--text:#eaede3;--muted:#abb8a3;--accent:#b6f36a;--accent-ink:#b6f36a;--accent-soft:#2e4127;--border:#738269;--rule:#3e4c3b;--graphic-line:#9daa9c;--header-bg:#111716f0}:root[data-theme=oled]{color-scheme:dark;--surface:#000;--surface-alt:#080d09;--surface-raised:#111a12;--text:#e8efdf;--muted:#a9b79f;--accent:#b6f36a;--accent-ink:#b6f36a;--accent-soft:#182714;--border:#728568;--rule:#35472d;--graphic-line:#96a68b;--header-bg:#000000f0}@media (prefers-color-scheme:dark){:root:not([data-theme]){color-scheme:dark;--surface:#111716;--surface-alt:#1b2520;--surface-raised:#233027;--text:#eaede3;--muted:#abb8a3;--accent-ink:#b6f36a;--accent-soft:#2e4127;--border:#738269;--rule:#3e4c3b;--graphic-line:#9daa9c;--header-bg:#111716f0}}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{background:var(--surface);color:var(--text);font:18px/1.72 var(--sans);-webkit-font-smoothing:antialiased;margin:0}::selection{background:var(--accent);color:#111716}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--accent-ink)}button,input,select,textarea{font:inherit}button,a,summary,input,select{-webkit-tap-highlight-color:transparent}button,summary,select{cursor:pointer}button{color:inherit}button:disabled{cursor:default;opacity:.55}a,button,summary,select,input{touch-action:manipulation}:focus-visible{outline:3px solid var(--accent-ink);outline-offset:5px}button:focus-visible{outline-offset:4px}p{text-align:justify;text-align-last:start;hyphens:auto;hyphenate-limit-chars:6 3 3;overflow-wrap:break-word;margin:0 0 1.2em}h1,h2,h3,h4{letter-spacing:-.035em;text-wrap:balance;hyphens:none;margin:0 0 .65em;font-weight:600;line-height:1.1}h1{max-width:17ch;font-size:clamp(42px,5.3vw,78px)}h2{font-size:clamp(30px,3.2vw,48px)}h3{font-size:clamp(22px,2.1vw,29px)}h4{font-size:20px}strong,b{font-weight:600}img,svg{vertical-align:middle;max-width:100%}img{height:auto}figure{margin:0}ul,ol{padding-inline-start:1.3em}li{margin-bottom:.5em}hr{border:0;border-top:1px solid var(--rule);margin:36px 0}[hidden]{display:none!important}.container{width:min(calc(100% - var(--gutter)*2),var(--content));margin-inline:auto}.measure{max-width:68ch}.eyebrow,.small-label{font:12px/1.7 var(--mono);letter-spacing:.045em;color:var(--accent-ink)}.eyebrow{margin-bottom:22px;display:block}.meta{font:12px/1.8 var(--mono);color:var(--muted)}.muted{color:var(--muted)}.sr-only{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.skip{z-index:100;background:var(--accent);color:#111716;padding:12px 18px;position:fixed;top:12px;left:16px;transform:translateY(-200%)}.skip:focus{transform:none}.site-header{z-index:20;border-bottom:1px solid var(--rule);background:var(--header-bg);position:relative}.header-inner{flex-wrap:wrap;align-items:center;gap:28px;min-height:100px;display:flex}.brand{flex:none;align-self:center;width:224px;height:64px;margin-left:-12px;display:block;position:relative}.brand img{width:224px;height:64px;position:absolute;inset:0}.logo-dark{display:none}.logo-light,[data-theme=dark] .logo-dark,[data-theme=oled] .logo-dark{display:block}[data-theme=dark] .logo-light,[data-theme=oled] .logo-light{display:none}@media (prefers-color-scheme:dark){html:not([data-theme]) .logo-dark{display:block}html:not([data-theme]) .logo-light{display:none}}.site-nav{font:13px/1.5 var(--mono);align-items:center;gap:24px;margin-inline-start:auto;display:flex}.site-nav a{align-items:center;min-height:44px;text-decoration:none;display:flex;position:relative}.site-nav a[aria-current=page]:after{content:"";background:var(--accent-ink);height:2px;position:absolute;bottom:3px;left:0;right:0}.menu-toggle{border:1px solid var(--border);min-height:44px;font:12px var(--mono);background:0 0;padding:8px 14px;display:none}.preferences{font:12px/1.5 var(--mono);position:relative}.preferences>summary{border-inline-start:1px solid var(--rule);align-items:center;gap:9px;min-height:44px;padding:9px 0 9px 16px;list-style:none;display:flex}.preferences>summary::-webkit-details-marker{display:none}.preferences>summary:after{content:"+";font-size:19px}.preferences[open]>summary:after{content:"−"}.preference-panel{background:var(--surface-raised);border:1px solid var(--border);width:310px;max-width:calc(100vw - 40px);padding:24px;position:absolute;top:calc(100% + 18px);right:0;box-shadow:0 15px 40px #0002}.preference-panel fieldset{border:0;min-width:0;margin:0 0 20px;padding:0}.preference-panel legend{color:var(--muted);margin:0 0 10px;padding:0}.theme-options{gap:6px;display:flex}.theme-options button{background:var(--surface);border:1px solid var(--border);font:12px var(--mono);flex:1;min-height:44px;padding:10px 7px}.theme-options button[aria-pressed=true]{background:var(--accent);color:#111716;border-color:#111716}.language-options{gap:4px;display:grid}.language-options a{justify-content:space-between;align-items:center;min-height:40px;padding:8px 10px;text-decoration:none;display:flex}.language-options a[aria-current=true]{background:var(--accent-soft)}.preference-panel p{font:12px/1.65 var(--sans);color:var(--muted);margin:0}.preference-status{min-height:0}.hero{padding-block:clamp(54px,7vw,100px) 60px}.hero-grid{grid-template-columns:minmax(0,1.35fr) minmax(0,.9fr);align-items:center;gap:48px;display:grid}.hero-copy{min-width:0}.hero h1{max-width:16ch}.hero-lead{max-width:59ch;color:var(--muted);font-size:clamp(18px,1.7vw,21px);line-height:1.65}.actions{flex-wrap:wrap;align-items:center;gap:20px;margin-top:30px;display:flex}.button{background:var(--accent);color:#111716;min-height:48px;font:13px/1.5 var(--mono);letter-spacing:-.025em;text-align:start;border:1px solid #0000;justify-content:center;align-items:center;gap:22px;padding:14px 21px;text-decoration:none;display:inline-flex}.button:hover{background:var(--text);color:var(--surface);border-color:var(--text)}.text-link{min-height:44px;font:13px/1.5 var(--mono);border-bottom:1px solid var(--muted);align-items:center;gap:16px;padding-block:9px;text-decoration:none;display:inline-flex}.arrow{font-family:var(--mono);font-size:18px;line-height:1}.cutline{border-bottom:1px solid var(--rule);height:38px;margin-top:44px;display:block;position:relative;overflow:visible}.cutline:before{content:"";background:var(--accent-ink);height:3px;position:absolute;inset:auto 22% -1px 0}.cutline:after{content:"";background:var(--accent-ink);width:45px;height:1px;position:absolute;bottom:15px;right:26%;transform:rotate(-45deg)}.method-strip{font:11px/1.7 var(--mono);color:var(--muted);justify-content:space-between;gap:14px;margin:14px 0 0;padding:0;list-style:none;display:flex}.method-strip li{margin:0}.graphic{width:100%;min-width:0;max-width:540px;margin-inline:auto}.graphic svg{width:100%;height:auto;display:block}.graphic figcaption{margin-top:14px}.graphic figcaption p{font:11px/1.65 var(--mono);color:var(--muted);margin:0}.section{border-top:1px solid var(--rule);padding-block:clamp(48px,7vw,92px)}.section-heading{grid-template-columns:1fr 1fr;align-items:start;gap:52px;margin-bottom:38px;display:grid}.section-heading h2{max-width:19ch}.section-heading p{max-width:58ch;color:var(--muted);margin:0}.service-list{border-top:1px solid var(--rule)}.service-row{border-bottom:1px solid var(--rule);grid-template-columns:40px minmax(0,1.1fr) minmax(0,1fr) 24px;align-items:start;gap:25px;padding:30px 0;display:grid}.service-number{font:12px/1.5 var(--mono);color:var(--accent-ink);padding-top:4px}.service-row h3{max-width:22ch;margin:0;font-size:clamp(21px,2vw,28px)}.service-row h3 a{text-decoration:none}.service-row p{color:var(--muted);margin:0;font-size:16px;line-height:1.65}.service-row>a{min-height:44px;color:var(--accent-ink);align-items:center;text-decoration:none;display:flex}.photo-section{background:var(--surface-alt);border-block:1px solid var(--rule);grid-template-columns:1.2fr 1fr;align-items:center;margin-block:30px 0;display:grid}.photo-section picture,.photo-section img{width:100%;display:block}.photo-section img{aspect-ratio:3/2;object-fit:cover}.photo-copy{padding:clamp(28px,4vw,60px)}.photo-copy p{color:var(--muted);font-size:18px}.method-grid{grid-template-columns:repeat(3,1fr);gap:30px;display:grid}.method-step{border-top:1px solid var(--rule);padding-top:24px}.method-step .small-label{margin-bottom:18px;display:block}.method-step h3{font-size:24px}.method-step p{color:var(--muted);font-size:16px}.notes-list{grid-template-columns:1fr 1fr;gap:48px;display:grid}.note-entry{border-top:1px solid var(--border);padding-top:26px}.note-entry h3{max-width:27ch;margin-block:15px 20px;font-size:clamp(25px,2.5vw,35px)}.note-entry h3 a{text-decoration:none}.note-entry p{color:var(--muted);font-size:17px}.contact-band{border-block:1px solid var(--rule);background:var(--surface-alt);padding-block:clamp(55px,6vw,90px)}.contact-band .container{grid-template-columns:1fr 1fr;align-items:start;gap:60px;display:grid}.contact-band h2{max-width:14ch}.contact-band p{color:var(--muted);max-width:58ch}.site-footer{padding-block:48px 26px}.footer-main{justify-content:space-between;align-items:start;gap:30px;margin-bottom:38px;display:flex}.footer-brand .brand{margin-top:-14px}.footer-brand .signature{font:12px/1.8 var(--mono);text-align:start;hyphens:none;margin:8px 0 0}.footer-links{font:12px var(--mono);flex-wrap:wrap;align-items:center;gap:20px;display:flex}.footer-links a{align-items:center;min-height:44px;display:inline-flex}.footer-bottom{border-top:1px solid var(--rule);font:11px/1.6 var(--mono);color:var(--muted);justify-content:space-between;gap:20px;padding-top:22px;display:flex}.page-top{padding-block:clamp(40px,6vw,80px) 48px}.breadcrumbs{font:12px var(--mono);color:var(--muted);flex-wrap:wrap;gap:12px;margin-bottom:32px;display:flex}.breadcrumbs a{align-items:center;min-height:36px;display:inline-flex}.breadcrumbs span{align-items:center;display:inline-flex}.page-top h1{max-width:22ch}.page-lead{max-width:68ch;color:var(--muted);font-size:clamp(19px,2vw,23px)}.page-meta{flex-wrap:wrap;gap:18px;margin-top:22px;display:flex}.article-layout{grid-template-columns:220px minmax(0,1fr);align-items:start;gap:72px;display:grid}.contents{font:12px/1.6 var(--mono);border-top:2px solid var(--accent-ink);padding-top:20px;position:sticky;top:30px}.contents h2{font:12px/1.7 var(--mono);letter-spacing:0;color:var(--muted);margin-bottom:16px}.contents ol{margin:0;padding:0;list-style:none}.contents li{margin:0}.contents a{min-height:36px;padding-block:9px;text-decoration:none;display:block}.article-body{min-width:0;max-width:75ch;padding-bottom:65px}.content-section{margin-bottom:50px;scroll-margin-top:30px}.content-section h2{max-width:25ch;margin-bottom:25px;font-size:clamp(28px,2.9vw,39px)}.content-section p{margin-bottom:1.25em}.content-section .detail-items{grid-template-columns:1fr 1fr;gap:24px;margin:28px 0;display:grid}.detail-item{border-top:1px solid var(--rule);padding-top:19px}.detail-item h3{letter-spacing:-.02em;font-size:22px}.detail-item p{color:var(--muted);font-size:16px}.table-scroll{overscroll-behavior-x:contain;max-width:100%;margin-block:30px;overflow:auto}.table-scroll:focus-visible{outline-offset:2px}table{border-collapse:collapse;table-layout:fixed;width:100%;font-size:15px;line-height:1.55}th,td{border-bottom:1px solid var(--rule);text-align:start;vertical-align:top;overflow-wrap:anywhere;hyphens:auto;padding:15px 14px}th{background:var(--surface-alt);font-weight:600}th:first-child{width:25%}.sources{border-top:1px solid var(--rule);padding-top:30px;font-size:15px}.sources h2{font-size:25px}.related-section{padding-block:35px 65px}.related-links{flex-wrap:wrap;gap:24px;display:flex}.contact-page{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:70px;padding-bottom:65px;display:grid}.contact-card{border:1px solid var(--border);background:var(--surface-alt);align-self:start;padding:32px}.contact-card .email-address{font:clamp(17px,2vw,26px)/1.5 var(--mono);overflow-wrap:anywhere;padding-block:15px;text-decoration:none;display:block}.copy-button{border:1px solid var(--border);min-height:46px;font:12px/1.6 var(--mono);background:0 0;padding:12px 16px}.contact-card .copy-status{min-height:1.7em;margin:14px 0 0;font-size:14px}.contact-card .contact-expectation{color:var(--muted);margin:24px 0 0;font-size:16px}.error-actions{padding-bottom:90px}.nojs-note{padding:14px var(--gutter);background:var(--surface-alt);border-bottom:1px solid var(--rule);margin:0;font-size:14px}.article-diagram{max-width:600px;margin:12px auto 45px}.service-proof{grid-template-columns:1fr 1fr;align-items:center;gap:50px;padding-bottom:50px;display:grid}.service-proof .content-section{margin:0}.service-proof .graphic{max-width:410px}.diagram-labels{font:11px/1.6 var(--mono);color:var(--muted);flex-wrap:wrap;justify-content:center;gap:18px;margin:18px 0;padding:0;list-style:none;display:flex}.diagram-labels li{margin:0}.diagram-labels li:before{content:"›";color:var(--accent-ink);margin-inline-end:7px}.wide-copy{max-width:850px}.preferences-notice{margin-top:12px!important}@media (width>=1600px){h1{font-size:82px}}@media (width<=1100px){.header-inner{gap:18px}.brand,.brand img{width:192px;height:55px}.site-nav{gap:15px;font-size:12px}.hero-grid{grid-template-columns:1.3fr .85fr;gap:25px}.article-layout{grid-template-columns:185px minmax(0,1fr);gap:40px}.photo-copy p{font-size:17px}}@media (width<=900px){.header-inner{min-height:85px}.preferences{margin-inline-start:auto}:is(.enhanced,[data-ui=loading]) .menu-toggle{justify-content:center;align-items:center;margin-inline-start:auto;display:inline-flex}:is(.enhanced,[data-ui=loading]) .preferences{margin-inline-start:0}.site-nav{flex-wrap:wrap;order:4;gap:6px 22px;width:100%;margin:0;padding:5px 0 20px}:is(.enhanced,[data-ui=loading]) .site-nav[data-open=false]{display:none}.site-nav a{min-height:44px}.hero-grid{grid-template-columns:1fr;gap:38px}.hero h1{max-width:20ch}.hero .graphic{max-width:480px;margin-inline:auto}.hero-lead{max-width:65ch}.section-heading{grid-template-columns:1fr;gap:15px}.section-heading h2{max-width:24ch}.section-heading p{max-width:65ch}.service-row{grid-template-columns:30px 1fr 30px;gap:20px}.service-row p{grid-area:2/2}.service-row>a{grid-area:1/3}.photo-section{grid-template-columns:1fr 1fr}.photo-copy{padding:25px}.photo-copy h2{font-size:32px}.article-layout{grid-template-columns:1fr;gap:35px}.contents{position:static}.contents ol{flex-wrap:wrap;gap:4px 20px;display:flex}.contents a{min-height:40px}.article-body{max-width:100%}.contact-page{grid-template-columns:1fr;gap:25px}.contact-card{max-width:600px}.service-proof,.method-grid{gap:20px}.method-strip{flex-wrap:wrap;justify-content:flex-start;gap:10px 25px}.contact-band .container{gap:30px}.footer-main{flex-wrap:wrap}}@media (width<=650px){body{font-size:17px;line-height:1.72}.container{width:calc(100% - 40px)}.header-inner{gap:12px}.brand{width:176px;height:51px;margin-left:-9px}.brand img{width:176px;height:51px}.menu-toggle{padding:8px 10px;font-size:11px}.preferences>summary{gap:6px;padding-inline-start:12px;font-size:11px}.preference-panel{right:0}.hero{padding-top:44px;padding-bottom:45px}.hero-grid{gap:30px}.hero h1{font-size:clamp(40px,9.8vw,60px)}.hero .graphic{max-width:365px}.hero-lead{font-size:18px}.eyebrow{margin-bottom:18px;font-size:11px}.button{gap:16px;padding:14px 16px;font-size:12px}.text-link{font-size:12px}.actions{gap:12px 22px;margin-top:23px}.cutline{margin-top:28px}.service-row{grid-template-columns:22px 1fr 22px;gap:12px;padding-block:24px}.service-row h3{font-size:23px}.service-row p{font-size:16px}.section{padding-block:45px}.photo-section{display:block}.photo-section img{aspect-ratio:4/5;object-position:65% center}.photo-copy{padding:30px 24px}.photo-copy h2{max-width:18ch}.method-grid{grid-template-columns:1fr 1fr;gap:25px 20px}.method-step h3{font-size:22px}.method-step p{font-size:15px}.notes-list{grid-template-columns:1fr;gap:36px}.contact-band .container{grid-template-columns:1fr;gap:12px}.contact-band h2{max-width:18ch}.footer-main{display:block}.footer-links{gap:16px;margin-top:20px}.footer-bottom{font-size:10px;display:block}.footer-bottom span{margin-bottom:12px;display:block}.content-section{margin-bottom:38px}.content-section .detail-items{grid-template-columns:1fr;gap:15px}.contact-card{padding:24px}.page-top{padding-top:32px}.page-top h1{font-size:clamp(38px,9vw,55px)}.page-lead{font-size:19px}.breadcrumbs{margin-bottom:24px}.service-proof{grid-template-columns:1fr;gap:20px}.table-scroll{font-size:14px}th,td{padding:12px 8px;font-size:14px}.article-body{padding-bottom:30px}.article-diagram{margin-bottom:30px}}@media (width<=380px){.header-inner{gap:8px}.brand,.brand img{width:151px;height:44px}.preferences>summary{padding-left:9px}.menu-toggle{padding:7px 8px}.hero h1{font-size:40px}.method-grid{grid-template-columns:1fr}.hero .graphic{max-width:285px}.contact-card .email-address{font-size:16px}.preferences-panel{width:280px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}}@media (forced-colors:active){.button,.theme-options button[aria-pressed=true]{border:2px solid buttontext}.cutline:before{background:canvastext}.graphic{forced-color-adjust:auto}}@media print{.site-header,.site-footer,.contact-band,.contents,.preferences,.actions{display:none!important}body{color:#000;background:#fff;font-size:11pt}.container{width:100%;max-width:none}.article-layout,.hero-grid{display:block}.graphic{max-width:300px}.section,.page-top{padding-block:20px}a{color:#000}.content-section{break-inside:auto}h1,h2,h3{break-after:avoid}}.menu-toggle{flex:none;width:66px;padding-inline:6px}.table-scroll table{min-width:680px}.article-body td{text-align:justify;text-align-last:start;hyphens:auto;overflow-wrap:normal}.table-hint{font:12px/1.6 var(--mono);color:var(--muted);margin-top:26px;margin-bottom:-14px;display:none}@media (width<=1100px){.table-hint{display:block}}:root{--surface-alt:#e8eddf;--surface-band:#dce5d1;--surface-raised:#fff;--muted:#41523b;--border:#627454;--rule:#9aab89;--stripe:#8eaa70;--motion-fast:.16s;--motion-base:.24s;--motion-enter:.64s;--motion-ease:cubic-bezier(.22, 1, .36, 1)}:root[data-theme=dark]{--surface-alt:#202f25;--surface-band:#293e2c;--surface-raised:#142019;--muted:#becbb4;--border:#879b76;--rule:#5e7751;--stripe:#779857}:root[data-theme=oled]{--surface-alt:#0c190e;--surface-band:#172c18;--surface-raised:#030904;--muted:#bbcab0;--border:#7e966b;--rule:#4e693e;--stripe:#628744}@media (prefers-color-scheme:dark){:root:not([data-theme]){--surface-alt:#202f25;--surface-band:#293e2c;--surface-raised:#142019;--muted:#becbb4;--border:#879b76;--rule:#5e7751;--stripe:#779857}}.section--band,.page-top-shell,.contact-band{background:var(--surface-band)}.section{border-color:var(--rule);position:relative}.section--band:before,.contact-band:before{content:"";background:repeating-linear-gradient(120deg, var(--stripe) 0 1px, transparent 1px 10px);pointer-events:none;height:7px;display:block;position:absolute;top:0;left:0;right:0}.page-top-shell{border-bottom:1px solid var(--rule);margin-bottom:clamp(40px,5vw,64px)}.page-top .cutline{margin-top:18px}.page-top{padding-bottom:38px}.contact-band{position:relative}.service-list{border:0;gap:12px;display:grid}.service-row{border:1px solid var(--rule);border-inline-start:3px solid var(--rule);background:var(--surface-alt);padding:28px 22px}.section--band .service-row{background:var(--surface-raised)}.service-row:hover,.service-row:focus-within{border-inline-start-color:var(--accent-ink)}.service-row:hover h3 a,.service-row:focus-within h3 a{color:var(--accent-ink)}.note-entry{background:var(--surface-alt);border-top:3px solid var(--accent-ink);padding:28px}.detail-item{background:var(--surface-alt);border:1px solid var(--rule);padding:22px}.detail-item p:last-child{margin-bottom:0}.contact-card{background:var(--surface-band);border-color:var(--border)}.art-top{color:var(--text)}.method-step{border-top:2px solid var(--accent-ink)}.method-step .small-label{color:var(--text)}.photo-section{background:var(--surface-raised);border-color:var(--border);margin:0}.photo-section picture{align-self:stretch}.photo-section img{object-fit:cover;object-position:50% center;height:100%;min-height:340px}.photo-copy{border:0}.table-scroll{border:1px solid var(--rule)}thead th{background:var(--surface-band)}tbody th,tbody tr:nth-child(2n) td{background:var(--surface-alt)}.content-section+.content-section{border-top:1px solid var(--rule);padding-top:40px}.contents{border-inline-start:1px solid var(--rule);padding-inline-start:16px}.site-footer{background:var(--surface-raised);border-top:1px solid var(--rule)}.preference-panel{background:var(--surface);border-color:var(--border)}.site-nav{gap:clamp(13px,1.5vw,24px);font-size:12px}.site-nav a{white-space:nowrap}.site-nav a:after{content:"";background:var(--accent-ink);transform-origin:0;height:2px;position:absolute;bottom:3px;left:0;right:0;transform:scaleX(0)}.site-nav a[aria-current=page]:after,.site-nav a:hover:after,.site-nav a:focus-visible:after{transform:scaleX(1)}.reading-progress{z-index:50;pointer-events:none;height:3px;display:none;position:fixed;inset:0 0 auto}.reading-progress span{background:var(--accent-ink);transform-origin:0;height:100%;display:block;transform:scaleX(0)}@media (prefers-reduced-motion:no-preference){:root[data-motion=full] .reading-progress{display:block}:root[data-motion=full] .is-entering{animation:flow-enter var(--motion-enter) var(--motion-ease)}:root[data-motion=full] .cutline.is-entering{animation:none}:root[data-motion=full] .cutline.is-entering:before{animation:flow-line var(--motion-enter) var(--motion-ease);transform-origin:0}:root[data-motion=full] :is(.button,.text-link,.copy-button,.menu-toggle,.theme-options button,.service-row){transition:background-color var(--motion-fast) ease, color var(--motion-fast) ease, border-color var(--motion-fast) ease}:root[data-motion=full] :is(.button,.text-link,.service-row>a)>[aria-hidden=true]{transition:transform var(--motion-base) var(--motion-ease);display:inline-block}:root[data-motion=full] :is(.button,.text-link,.service-row>a):is(:hover,:focus-visible)>[aria-hidden=true]{transform:translate(3px,-3px)}:root[data-motion=full] .site-nav a:after{transition:transform var(--motion-base) var(--motion-ease)}:root[data-motion=full] .preferences[open] .preference-panel{animation:panel-enter var(--motion-base) var(--motion-ease)}}@keyframes flow-enter{0%{transform:translateY(14px)}to{transform:translateY(0)}}@keyframes flow-line{0%{transform:scaleX(.08)}to{transform:scaleX(1)}}@keyframes panel-enter{0%{transform:translateY(-6px)}to{transform:translateY(0)}}@media (width<=1120px){.header-inner{gap:16px}.site-nav{flex-wrap:wrap;order:4;gap:6px 22px;width:100%;margin:0;padding:5px 0 20px}:is(.enhanced,[data-ui=loading]) .site-nav[data-open=false]{display:none}:is(.enhanced,[data-ui=loading]) .menu-toggle{justify-content:center;align-items:center;margin-inline-start:auto;display:inline-flex}.preferences{margin-inline-start:auto}:is(.enhanced,[data-ui=loading]) .preferences{margin-inline-start:0}}@media (width<=650px){.header-inner{gap:12px}.service-row{padding:22px 15px}.note-entry{padding:24px 20px}.detail-item{padding:20px}.photo-section img{aspect-ratio:3/2;object-fit:cover;height:auto;min-height:0}.photo-copy{border:0}.page-top{padding-bottom:28px}.content-section+.content-section{padding-top:30px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition:none!important;animation:none!important}.reading-progress{display:none!important}}@media print{.reading-progress{display:none!important}.is-entering{animation:none!important;transform:none!important}.page-top-shell,.section--band,.note-entry,.detail-item{background:#fff}.section--band:before,.contact-band:before{display:none}}@media (width<=380px){.header-inner{gap:8px}}@media (width<=900px){.photo-section{grid-template-columns:1fr}.photo-section img{aspect-ratio:3/2;object-fit:cover;height:auto;min-height:0}.photo-copy{border:0}}.photo-copy p:last-child{margin-bottom:0}html{scrollbar-gutter:stable both-edges}.photo-section{width:min(calc(100% - var(--gutter) * 2), var(--content));margin-inline:auto}.photo-art{align-self:stretch;min-width:0;display:none;-webkit-mask-image:linear-gradient(90deg,#0000 0,#000 7% 93%,#0000 100%);mask-image:linear-gradient(90deg,#0000 0,#000 7% 93%,#0000 100%)}.photo-art--light{display:block}:root[data-theme=dark] .photo-art--light,:root[data-theme=oled] .photo-art--light{display:none}:root[data-theme=dark] .photo-art--dark,:root[data-theme=oled] .photo-art--oled{display:block}.photo-art picture,.photo-art img{width:100%;height:100%}@media (prefers-color-scheme:dark){:root:not([data-theme]) .photo-art--light{display:none}:root:not([data-theme]) .photo-art--dark{display:block}}:root{--photo-wash:#f5f7eff7;--photo-copy-shadow:#f5f7efd1}:root[data-theme=dark]{--photo-wash:#142019f7;--photo-copy-shadow:#142019d6}:root[data-theme=oled]{--photo-wash:#000000fa;--photo-copy-shadow:#000000e0}@media (prefers-color-scheme:dark){:root:not([data-theme]){--photo-wash:#142019f7;--photo-copy-shadow:#142019d6}}.photo-section{isolation:isolate;border:1px solid var(--border);grid-template-columns:minmax(0,1fr);align-items:stretch;min-height:clamp(540px,49vw,650px);display:grid;position:relative;overflow:hidden}.photo-section:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg, transparent 0 43%, var(--photo-copy-shadow) 68%, var(--photo-wash) 100%);position:absolute;inset:0}.photo-art{z-index:0;min-width:0;position:absolute;inset:0;-webkit-mask-image:none;mask-image:none}.photo-art picture,.photo-art img{width:100%;height:100%;display:block}.photo-section .photo-art img{aspect-ratio:auto;object-fit:cover;object-position:22% center;min-height:0}.photo-copy{z-index:2;align-self:center;width:min(48%,590px);margin-inline-start:auto;padding:clamp(38px,5vw,72px) clamp(30px,5vw,72px) clamp(38px,5vw,72px) clamp(48px,6vw,86px);position:relative}.photo-copy h2{max-width:13ch}.photo-copy p{max-width:46ch;color:var(--text);font-size:clamp(16px,1.4vw,19px)}.photo-signals{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;margin:28px 0 0;padding:0;list-style:none;display:grid}.photo-signals li{border-top:1px solid var(--rule);font:11px/1.45 var(--mono);color:var(--text);margin:0;padding:10px 0}.photo-signals li:before{content:"[ + ]";color:var(--accent-ink);margin-inline-end:8px}.contact-page{grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:start;gap:clamp(36px,5vw,72px)}.contact-context .contact-expectation{border-top:1px solid var(--rule);color:var(--muted);margin-top:32px;padding-top:24px;font-size:16px}.contact-form-panel{border:1px solid var(--border);border-top:4px solid var(--accent-ink);background:var(--surface-raised);padding:clamp(24px,3.5vw,44px)}.contact-form-heading{gap:10px;margin-bottom:22px;display:grid}.contact-form-heading .small-label{margin:0}.contact-form-heading h2{max-width:none;margin:0;font-size:clamp(28px,3vw,40px)}.contact-form-heading p{color:var(--muted);margin:0;font-size:16px}#contact-form fieldset{border:0;min-width:0;margin:0;padding:0}.contact-fields{grid-template-columns:repeat(2,minmax(0,1fr));align-items:end;gap:20px;display:grid}.contact-field--full{grid-column:1/-1}.contact-field{align-content:start;gap:8px;min-width:0;margin:0;display:grid}.contact-field label{font:12px/1.4 var(--mono);color:var(--text);margin:0}.contact-field label span{color:var(--accent-ink)}.contact-field :is(input,textarea){box-sizing:border-box;border:1px solid var(--border);background:var(--surface);width:100%;color:var(--text);caret-color:var(--accent-ink);border-radius:0}.contact-field input:not([type=file]){height:48px;font:16px/1.4 var(--sans);padding:0 13px}.contact-field textarea{resize:vertical;min-height:168px;font:16px/1.55 var(--sans);padding:12px 13px}.contact-field input[type=file]{height:48px;font:13px/1.3 var(--mono);padding:10px 12px}.contact-field input[type=file]::file-selector-button{border:1px solid var(--border);background:var(--surface-alt);height:28px;color:var(--text);font:11px/28px var(--mono);cursor:pointer;vertical-align:middle;border-radius:0;margin-inline-end:12px;padding:0 11px}.contact-field :is(input,textarea):focus-visible{outline:3px solid var(--accent-ink);outline-offset:2px;border-color:var(--accent-ink)}.contact-help{color:var(--muted);margin:0;font-size:13px;line-height:1.45}.contact-actions{flex-wrap:wrap;align-items:center;gap:16px;margin:0;display:flex}.contact-actions .button{cursor:pointer}.contact-clear{border:1px solid var(--border);min-height:48px;font:12px/1.5 var(--mono);background:0 0;border-radius:0;padding:12px 18px}.contact-clear:hover{border-color:var(--accent-ink);color:var(--accent-ink)}.error-recovery{flex-wrap:wrap;align-items:center;gap:16px 28px;margin-top:8px;display:flex}.contact-status{min-height:1.7em;color:var(--muted);font:13px/1.7 var(--mono);margin:20px 0 0;padding:0}.contact-status[data-state=success]{color:var(--accent-ink)}.contact-status[data-state=error],.contact-status.is-error{color:#a3443e}:root[data-theme=dark] .contact-status[data-state=error],:root[data-theme=oled] .contact-status[data-state=error]{color:#ff9b91}.contact-security{border-top:1px solid var(--rule);color:var(--muted);margin:20px 0 0;padding-top:18px;font-size:13px}.contact-security span{color:var(--accent-ink);font-family:var(--mono)}.contact-noscript{color:var(--muted);margin-top:18px;font-size:14px}@media (width<=900px){.photo-section{min-height:0;display:block}.photo-section:after{display:none}.photo-art{height:auto;position:relative;inset:auto}.photo-section .photo-art img{aspect-ratio:16/9;object-fit:cover;object-position:28% center;height:auto;min-height:0}.photo-copy{background:var(--surface);align-self:stretch;width:100%;margin:0;padding:32px clamp(22px,6vw,48px) 40px}.photo-copy p{max-width:62ch}.contact-page{grid-template-columns:1fr}}@media (width<=650px){.photo-section .photo-art img{aspect-ratio:4/3;object-position:24% center}.photo-copy{padding:28px 22px 32px}.photo-signals,.contact-fields{grid-template-columns:1fr}.contact-form-panel{padding:24px 19px}}h1,h2,h3,h4{text-wrap:pretty}h1,.hero h1,.page-top h1,.section-heading h2,.service-row h3,.photo-copy h2,.note-entry h3,.contact-band h2,.content-section h2,.detail-item h3,.contact-form-heading h2{max-width:none}.section-heading{grid-template-columns:1fr;gap:16px}.section-heading h2,.contact-band h2,.note-entry h3,.detail-item h3,.content-section h2{text-wrap:pretty}.note-entry h3{font-size:clamp(24px,2.1vw,32px)}.photo-copy h2{font-size:clamp(28px,2.4vw,36px)}.detail-item h3{font-size:clamp(18px,1.5vw,22px)}.section-links{flex-direction:column;align-items:flex-start;gap:2px;margin-top:8px;display:flex}.section-heading .section-links{margin-top:18px}.service-row{align-items:center}.hero-grid{align-items:stretch}.hero .graphic{flex-direction:column;max-width:none;height:100%;margin:0;display:flex}.hero .graphic>div{flex:auto;align-items:center;min-height:0;display:flex}.hero .graphic svg{width:100%;height:auto}.hero .graphic figcaption{margin-top:18px}.graphic figcaption p{text-wrap:pretty}.section-heading--split{grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);align-items:center;gap:16px clamp(32px,4vw,64px)}.section-heading--split .split-copy{gap:16px;min-width:0;display:grid}.section-heading--split h2,.section-heading--split p{margin:0}.section-heading--split p{max-width:none}.section-heading--split .section-links{margin-top:0}.section-heading--split .graphic{grid-area:1/2;align-self:center;max-width:none;margin:0}.section-heading--row{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:24px}.section-heading--row h2{margin-bottom:0}.contents a{text-wrap:pretty}@media (width>=901px){.hero .method-strip{grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;display:grid}}@media (width<=900px){.hero .graphic{max-width:480px;height:auto}.section-heading--split,.section-heading--row{grid-template-columns:1fr;align-items:start}.section-heading--split .graphic{grid-area:auto/1;max-width:460px}}.site-nav{gap:clamp(7px,.7vw,11px);position:relative}.site-nav a{border:1px solid var(--border);background:var(--surface-alt);min-height:44px;color:var(--text);box-shadow:inset 1px 1px var(--surface-raised), inset -1px -1px var(--rule);border-radius:0;padding:10px 12px;position:relative}.site-nav a:after,.site-nav a[aria-current=page]:after{content:none}.site-nav a:before{content:"";background:var(--accent-ink);opacity:0;pointer-events:none;width:4px;height:4px;position:absolute;top:4px;right:4px}.site-nav a:is([aria-current=page],[data-active-section=true]){background:var(--surface-band);border-color:var(--accent-ink);box-shadow:inset 3px 0 var(--accent-ink), inset 0 -2px var(--rule)}.site-nav a:is(:hover,:focus-visible){background:var(--surface-raised);border-color:var(--accent-ink);color:var(--accent-ink)}.site-nav a:is(:hover,:focus-visible,[aria-current=page],[data-active-section=true]):before{opacity:1}.site-nav a:active{background:var(--surface-band);color:var(--text);box-shadow:inset 1px 1px var(--border), inset -1px -1px var(--surface-raised)}.site-nav a:focus-visible{outline-offset:3px;z-index:1}.menu-toggle{background:var(--surface-alt);box-shadow:inset 1px 1px var(--surface-raised), inset -1px -1px var(--rule);border-radius:0}.menu-toggle:is(:hover,:focus-visible){background:var(--surface-raised);border-color:var(--accent-ink)}.menu-toggle[aria-expanded=true]{background:var(--surface-band);border-color:var(--accent-ink)}.menu-icon{flex:0 0 11px;width:11px;height:12px;position:relative}.menu-icon:before,.menu-icon:after{content:"";inset-inline:0;transform-origin:50%;background:currentColor;height:1px;position:absolute;top:3px}.menu-icon:after{top:8px}.menu-toggle[aria-expanded=true] .menu-icon:before{transform:translateY(2.5px)rotate(45deg)}.menu-toggle[aria-expanded=true] .menu-icon:after{transform:translateY(-2.5px)rotate(-45deg)}.menu-label{white-space:nowrap}@media (width<=1120px){.header-inner{row-gap:0;min-height:0;padding-block:16px}.site-nav{order:4;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;width:100%;margin:16px 0 0;padding:0;display:grid}.site-nav a{white-space:normal;min-height:52px;padding:12px 16px}.site-nav a:focus-visible{outline-offset:-4px}:is(.enhanced,[data-ui=loading]) .site-nav[data-open=false]{display:none}:is(.enhanced,[data-ui=loading]) .site-nav[data-closing=true]{pointer-events:none;display:grid}:is(.enhanced,[data-ui=loading]) .menu-toggle{gap:5px;padding-inline:4px;font-size:11px;display:inline-flex}:root[data-ui=fallback] .menu-toggle{visibility:hidden;pointer-events:none;gap:5px;padding-inline:4px;font-size:11px;display:inline-flex}:root[data-ui=fallback] .preferences{margin-inline-start:0}}@media (width<=480px){.site-nav{grid-template-columns:minmax(0,1fr)}.site-nav a{min-height:48px;padding-block:10px}}@media (prefers-reduced-motion:no-preference){:root[data-motion=full] .menu-icon:before,:root[data-motion=full] .menu-icon:after{transition:transform var(--motion-base) var(--motion-ease)}:root[data-motion=full] .site-nav a{transition:background-color var(--motion-fast) ease, color var(--motion-fast) ease, border-color var(--motion-fast) ease}:root[data-motion=full] .site-nav a:before{transition:opacity var(--motion-fast) ease}}@media (prefers-reduced-motion:reduce){.menu-icon:before,.menu-icon:after,.site-nav a,.site-nav a:before{transition:none!important}}@media (forced-colors:active){.site-nav a:before,.menu-icon:before,.menu-icon:after{background:canvastext}.site-nav a:is([aria-current=page],[data-active-section=true]){text-decoration:underline}}:root{--opening-space:clamp(40px, 5vw, 72px);--opening-detail-gap:24px}.hero,.page-top{padding-block:var(--opening-space)}.hero .eyebrow{min-height:36px;margin-bottom:var(--opening-detail-gap);align-items:center;display:flex}.page-top .breadcrumbs,.page-top>.eyebrow{margin-bottom:var(--opening-detail-gap)}.page-top .page-lead{margin-bottom:0}.page-top .page-meta{margin-top:var(--opening-detail-gap)}.hero .cutline,.page-top .cutline{margin-top:32px}.hero>.container>:last-child,.page-top>:last-child{margin-bottom:0}.hero,.page-top-shell{isolation:isolate;position:relative}.hero>.container,.page-top-shell>.container{z-index:1;position:relative}.hero-field{opacity:.72;pointer-events:none;color:var(--accent-ink);position:absolute;inset:0;overflow:hidden}.hero-field svg{width:100%;height:100%;display:block}.field-register{opacity:.14}.hero-contours{stroke:currentColor;stroke-width:1px;opacity:.1}.field-hatching{opacity:.07}.hero-field-cuts{stroke:currentColor;stroke-width:2px;opacity:.18}.hero-field-cuts path{stroke-dasharray:1}.hero-field{mask-image:linear-gradient(110deg,#000 0%,#0005 24%,#0004 45%,#000b 72%,#000 100%)}:root[data-theme=dark] .hero-contours{opacity:.09}:root[data-theme=dark] .hero-field-cuts{opacity:.2}:root[data-theme=oled] .hero-contours{opacity:.12}:root[data-theme=oled] .hero-field-cuts{opacity:.24}@media (prefers-color-scheme:dark){:root:not([data-theme]) .hero-contours{opacity:.09}:root:not([data-theme]) .hero-field-cuts{opacity:.2}}@media (prefers-reduced-motion:no-preference){:root[data-motion=full] .hero-field.is-entering{animation:none}:root[data-motion=full] .hero-field.is-entering .hero-field-cuts path{animation:hero-field-trace var(--motion-enter) var(--motion-ease)}}@keyframes hero-field-trace{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@media (width<=900px){.hero-field{mask-image:linear-gradient(90deg,#0008,#0004 35%,#0006 65%,#000b)}}@media print{.hero-field{display:none}}
