/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-outline-style:solid;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.collapse{visibility:collapse}.visible{visibility:visible}.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.contents{display:contents}.table{display:table}.lowercase{text-transform:lowercase}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.invert{--tw-invert:invert(100%);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--navy-950:#051426;--navy-900:#071b33;--navy-800:#0b2748;--navy-700:#12375f;--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-500:#3b82f6;--blue-100:#dbeafe;--blue-50:#eff6ff;--petroleum:var(--blue-500);--teal:var(--blue-600);--blue:var(--blue-600);--amber:#b7791f;--red:#b42318;--green:#52745b;--ink:#122033;--muted:#58687b;--line:#d7e0ea;--soft-line:#e5eaf1;--paper:#f7f9fc;--ice:#eef5ff;--blue-soft:var(--blue-100);--white:#fff;--shadow-sm:0 8px 24px #071b3314;--shadow-lg:0 28px 70px #05142638;--max:1440px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:120px}body{color:var(--ink);background:var(--white);font-family:var(--font-sans), "Segoe UI", Arial, sans-serif;text-rendering:optimizelegibility;margin:0;font-size:16px;line-height:1.65}body.nav-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline-offset:3px;outline:3px solid #70a4ff}.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-link{z-index:200;color:var(--navy-900);background:#fff;padding:12px 16px;font-weight:750;transition:top .15s;position:fixed;top:-80px;left:16px}.skip-link:focus{top:12px}.reference-strip{background:var(--navy-950);color:#bfccda;min-height:36px;font:500 10px/1.5 var(--font-mono);letter-spacing:.055em;justify-content:space-between;align-items:center;gap:20px;padding:7px clamp(20px,4.5vw,76px);display:flex}.reference-strip a{color:#9fc0ff;white-space:nowrap}.reference-strip a:hover{color:#fff}.reference-strip b{margin-left:4px}.site-header{z-index:100;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffffff5;align-items:center;gap:34px;height:80px;padding:0 clamp(20px,4.5vw,76px);display:flex;position:sticky;top:0}.atlas-brand{color:var(--navy-900);letter-spacing:.105em;white-space:nowrap;align-items:center;gap:12px;margin-right:auto;font-size:13px;font-weight:760;display:flex}.atlas-brand small{color:#718096;font:8px var(--font-mono);letter-spacing:.03em;margin-top:3px;display:block}.atlas-mark{grid-template-columns:repeat(3,5px);align-items:end;gap:2px;width:22px;height:27px;display:grid}.atlas-mark i{background:var(--teal);display:block}.atlas-mark i:first-child{height:13px}.atlas-mark i:nth-child(2){height:25px}.atlas-mark i:nth-child(3){height:18px}.desktop-nav{color:#344054;letter-spacing:.01em;align-items:center;gap:26px;height:100%;font-size:13px;font-weight:650;display:flex}.desktop-nav>a,.mega>a{border-bottom:3px solid #0000;align-items:center;height:100%;display:flex}.desktop-nav>a:hover,.desktop-nav>a.active,.mega:hover>a,.mega>a.active{color:var(--teal);border-color:var(--teal)}.mega{height:100%;position:static}.mega-panel{visibility:hidden;opacity:0;border-top:3px solid var(--teal);background:#fff;grid-template-columns:300px 1fr;width:min(1080px,94vw);transition:all .16s;display:grid;position:absolute;top:80px;left:50%;transform:translate(-50%,10px);box-shadow:0 24px 70px #071b3340}.mega:hover .mega-panel,.mega:focus-within .mega-panel{visibility:visible;opacity:1;transform:translate(-50%)}.mega-intro{background:var(--navy-900);color:#bfccda;padding:34px}.mega-intro span{color:#78a8f6;font:9px var(--font-mono);letter-spacing:.12em;text-transform:uppercase}.mega-intro strong{color:#fff;margin:12px 0;font-size:25px;display:block}.mega-intro p{margin:0;font-size:14px}.mega-links{grid-template-columns:1fr 1fr;gap:0 30px;padding:24px;display:grid}.mega-links a{border-bottom:1px solid var(--soft-line);justify-content:space-between;align-items:center;min-height:58px;font-size:13px;display:flex}.mega-links a:hover,.mega-links a.active,.mega-links b{color:var(--teal)}.header-cta{border:1px solid var(--teal);min-height:44px;color:var(--teal);letter-spacing:.035em;text-transform:uppercase;white-space:nowrap;justify-content:center;align-items:center;gap:7px;padding:0 18px;font-size:11px;font-weight:750;display:inline-flex}.header-cta:hover{background:var(--teal);color:#fff}.menu-button,.mobile-nav{display:none}.kicker{color:var(--teal);font:600 11px/1.5 var(--font-mono);letter-spacing:.105em;text-transform:uppercase;display:block}.kicker.light{color:#78a8f6}.button{letter-spacing:.015em;border:1px solid #0000;justify-content:center;align-items:center;min-height:52px;padding:0 23px;font-size:13px;font-weight:700;transition:all .15s;display:inline-flex}.button.primary{background:var(--teal);color:#fff}.button.primary:hover{background:#174fca;transform:translateY(-1px)}.button.secondary{color:#fff;border-color:#7099d1}.button.secondary:hover{background:#ffffff12;border-color:#fff}.button.outline{border-color:var(--teal);color:var(--teal);background:#fff}.button.outline:hover{background:var(--ice);transform:translateY(-1px)}.text-link{color:var(--teal);border-bottom:1px solid;font-size:14px;font-weight:700}.section{padding:104px clamp(24px,6vw,98px)}.section-heading{margin-bottom:54px}.section-heading h2,.split-heading h2{letter-spacing:-.04em;max-width:880px;margin:16px 0 0;font-size:clamp(36px,4.1vw,60px);font-weight:560;line-height:1.05}.split-heading{grid-template-columns:1.25fr .75fr;align-items:end;gap:9vw;display:grid}.split-heading>p{color:var(--muted);margin:0;font-size:14px}.home-hero{background:var(--navy-900);color:#fff;grid-template-columns:1.2fr .8fr;gap:5vw;min-height:770px;padding:96px clamp(24px,6vw,98px) 0;display:grid;position:relative;overflow:hidden}.hero-grid-pattern{background-image:linear-gradient(#ffffff08 1px,#0000 1px),linear-gradient(90deg,#ffffff08 1px,#0000 1px);background-size:72px 72px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(90deg,#000,#0000 90%);mask-image:linear-gradient(90deg,#000,#0000 90%)}.home-hero:after{content:"";border:1px solid #4b7bbb33;border-radius:50%;width:620px;height:620px;position:absolute;top:-220px;right:-210px;box-shadow:0 0 0 120px #4b7bbb10,0 0 0 240px #4b7bbb0b}.hero-content,.hero-search,.hero-index{z-index:2;position:relative}.hero-content h1{letter-spacing:-.052em;max-width:880px;margin:24px 0;font-size:clamp(54px,5.8vw,88px);font-weight:560;line-height:.98}.hero-content>p{color:#c6d3e3;max-width:760px;font-size:17px;line-height:1.75}.hero-actions{gap:12px;margin-top:32px;display:flex}.hero-search{align-self:center}.atlas-search{position:relative}.atlas-search>label{color:#bdccde;font:9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:10px;display:block}.search-control{height:66px;color:var(--ink);background:#fff;border:1px solid #a9c2e6;align-items:center;padding:0 18px;display:flex}.search-control>span{color:var(--teal);font-size:27px}.search-control input{min-width:0;height:100%;color:var(--ink);background:0 0;border:0;outline:0;flex:1;padding:0 14px;font-size:13px}.search-control kbd{border:1px solid var(--line);background:var(--paper);color:#6e7d8c;font:10px var(--font-mono);padding:3px 7px}.search-results{z-index:80;max-height:460px;color:var(--ink);border:1px solid var(--line);background:#fff;position:absolute;top:89px;left:0;right:0;overflow:auto;box-shadow:0 20px 50px #06142640}.search-results-head{background:var(--ice);height:42px;font:9px var(--font-mono);text-transform:uppercase;justify-content:space-between;align-items:center;padding:0 14px;display:flex}.search-results-head button{color:var(--teal);cursor:pointer;background:0 0;border:0}.search-results>a{border-top:1px solid var(--soft-line);grid-template-columns:85px 1fr;gap:2px 12px;padding:13px 15px;display:grid}.search-results>a:hover{background:#f7faff}.search-results small{color:var(--teal);font:8px var(--font-mono);text-transform:uppercase;grid-row:span 2}.search-results p{color:var(--muted);margin:2px 0 0;font-size:10px;line-height:1.4}.no-results{color:var(--ink);background:#fff;padding:24px}.no-results p{color:var(--muted);margin-bottom:0}.suggested-searches{color:#91a4ba;flex-wrap:wrap;gap:7px;margin-top:13px;font-size:9px;display:flex}.suggested-searches a{color:#b9c8da;border:1px solid #48617e;padding:5px 8px}.hero-index{border-top:1px solid #49617d;grid-column:1/-1;grid-template-columns:1.2fr repeat(5,1fr);align-self:end;min-height:120px;display:grid}.hero-index>span{color:#78a8f6;font:9px var(--font-mono);letter-spacing:.12em;padding:25px 0}.hero-index div{border-left:1px solid #49617d;padding:22px 24px}.hero-index strong{font-size:30px;font-weight:420;display:block}.hero-index small{color:#aebfcd;font:8px var(--font-mono);text-transform:uppercase}.explore-section{background:#fff}.explore-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.explore-grid>a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;min-height:250px;padding:28px;transition:all .15s;display:flex}.explore-grid>a:hover{background:var(--ice)}.explore-grid span{color:var(--teal);font:9px var(--font-mono)}.explore-grid h3{color:var(--navy-900);margin:50px 0 10px;font-size:25px;font-weight:520}.explore-grid p{color:var(--muted);margin:0;font-size:13px}.explore-grid b{color:var(--teal);margin-top:auto;font-size:10px}.domain-section,.dimension-section{background:var(--navy-900);color:#fff}.domain-grid{border-top:1px solid #4a637b;border-left:1px solid #4a637b;grid-template-columns:repeat(4,1fr);display:grid}.domain-grid article{border-bottom:1px solid #4a637b;border-right:1px solid #4a637b;flex-direction:column;min-height:450px;padding:30px;display:flex}.domain-grid article>div{color:#78cbd0;font:9px var(--font-mono);text-transform:uppercase;justify-content:space-between;display:flex}.domain-grid h3{margin:80px 0 18px;font-size:30px;font-weight:420;line-height:1.1}.domain-grid p{color:#b8c8d5;font-size:12px}.domain-grid ul{margin:18px 0;padding:0;list-style:none}.domain-grid li{color:#dbe6ed;border-top:1px solid #375169;padding:6px 0;font-size:10px}.domain-grid a{color:#79ccd0;margin-top:auto;font-size:11px}.pathway-preview{background:var(--paper)}.pathway-list{border-top:2px solid var(--navy-900);margin-bottom:32px}.pathway-list a{border-bottom:1px solid var(--line);grid-template-columns:70px 1fr 1fr 70px;align-items:center;gap:20px;min-height:78px;padding:0 18px;display:grid}.pathway-list a:hover{background:#fff}.pathway-list span{color:var(--teal);font:9px var(--font-mono)}.pathway-list strong{color:var(--navy-900);font-size:16px}.pathway-list small{color:var(--muted)}.pathway-list b{color:var(--teal)}.card-section{background:#fff}.card-grid{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.entity-card{border:1px solid var(--line);background:#fff;flex-direction:column;min-height:330px;padding:26px;display:flex}.entity-card:hover{border-top-color:var(--teal);box-shadow:0 12px 35px #0614260e}.entity-card>div{color:var(--teal);font:8px var(--font-mono);text-transform:uppercase;justify-content:space-between;display:flex}.entity-card h3{color:var(--navy-900);margin:45px 0 14px;font-size:23px;font-weight:520;line-height:1.15}.entity-card p{color:var(--muted);margin:0;font-size:12px}.entity-card ul{flex-wrap:wrap;gap:6px;padding:0;list-style:none;display:flex}.entity-card li{background:var(--ice);color:#4a5f70;font:8px var(--font-mono);padding:3px 7px}.card-link{color:var(--teal);justify-content:space-between;margin-top:auto;font-size:10px;font-weight:700;display:flex}.test-feature{background:var(--navy-800);color:#fff}.popular-tests{border-top:1px solid #557088;border-left:1px solid #557088;grid-template-columns:repeat(4,1fr);display:grid}.popular-tests a{border-bottom:1px solid #557088;border-right:1px solid #557088;grid-template-columns:1fr auto;min-height:150px;padding:22px;display:grid}.popular-tests small{color:#78a8f6;font:9px var(--font-mono)}.popular-tests strong{grid-column:1/-1;align-self:end;font-size:16px}.popular-tests span{color:#aebfcd;font-size:9px}.popular-tests b{color:#78a8f6}.sampling-banner{background:var(--ice);grid-template-columns:1fr 1fr;align-items:center;gap:8vw;display:grid}.sampling-banner h2{letter-spacing:-.04em;margin:18px 0;font-size:clamp(38px,4vw,62px);font-weight:420;line-height:1.04}.sampling-banner p{max-width:680px;color:var(--muted)}.sampling-banner .button{margin-top:20px}.sampling-diagram{justify-content:center;align-items:center;display:flex}.sampling-diagram span{border:1px solid var(--teal);width:105px;height:105px;color:var(--teal);font:9px var(--font-mono);border-radius:50%;place-items:center;display:grid}.sampling-diagram span b{color:var(--navy-900);font-size:11px;display:block}.sampling-diagram i{background:var(--teal);width:35px;height:1px}.credibility{background:var(--teal);color:#fff;font:9px var(--font-mono);text-transform:uppercase;letter-spacing:.06em;grid-template-columns:repeat(4,1fr);padding:32px clamp(24px,6vw,98px);display:grid}.credibility span{border-left:1px solid #fff6;padding-left:22px}.breadcrumbs{border-bottom:1px solid var(--line);background:#fff;padding:14px clamp(24px,6vw,98px)}.breadcrumbs ol{max-width:var(--max);color:#6e7d8c;flex-wrap:wrap;gap:8px;margin:0 auto;padding:0;font-size:10px;list-style:none;display:flex}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:8px}.breadcrumbs a{color:var(--teal)}.library-hero{background:var(--paper);border-bottom:1px solid var(--line);padding:86px clamp(24px,8vw,128px)}.library-hero h1{max-width:1000px;color:var(--navy-900);letter-spacing:-.055em;margin:18px 0 20px;font-size:clamp(52px,7vw,96px);font-weight:370;line-height:.96}.library-hero>p{max-width:840px;color:var(--muted);margin:0;font-size:17px}.library-hero .atlas-search{max-width:790px;margin-top:34px}.library-hero .atlas-search>label{color:var(--muted)}.library-count{grid-template-columns:auto 1fr 2fr;align-items:center;gap:14px 20px;margin-bottom:34px;display:grid}.library-count strong{color:var(--navy-900);font-size:48px;font-weight:430}.library-count span{font:9px var(--font-mono);text-transform:uppercase}.library-count p{max-width:500px;color:var(--muted);justify-self:end;font-size:12px}.guidance-strip{background:var(--teal);color:#fff;justify-content:space-between;align-items:center;gap:30px;padding:60px clamp(24px,6vw,98px);display:flex}.guidance-strip h2{margin:10px 0 0;font-size:clamp(30px,4vw,50px);font-weight:420}.article-hero{background:var(--navy-900);color:#fff;grid-template-columns:1fr 330px;align-items:center;gap:8vw;min-height:470px;padding:80px clamp(24px,6vw,98px);display:grid}.article-hero h1{letter-spacing:-.055em;max-width:980px;margin:20px 0;font-size:clamp(52px,6vw,88px);font-weight:370;line-height:.98}.article-hero>div>p{color:#c2d1dd;max-width:820px;font-size:16px}.reviewed-badge{color:#b7c9d5;font:8px var(--font-mono);text-transform:uppercase;border:1px solid #4f7286;margin-top:16px;padding:6px 9px;display:inline-block}.article-facts{color:var(--ink);border-top:3px solid var(--teal);background:#fff;padding:28px;box-shadow:0 24px 60px #0003}.article-facts>span{color:var(--teal);font:8px var(--font-mono);text-transform:uppercase}.article-facts div{border-bottom:1px solid var(--line);padding:15px 0}.article-facts small,.article-facts strong{display:block}.article-facts small{color:#728191;font:8px var(--font-mono);text-transform:uppercase}.article-facts strong{margin-top:4px;font-size:11px;line-height:1.45}.article-progress{z-index:90;background:linear-gradient(90deg,var(--teal) 32%,#d8e2e8 32%);height:3px;position:sticky;top:80px}.article-layout{max-width:var(--max);grid-template-columns:220px minmax(0,820px) 270px;align-items:start;gap:50px;margin:0 auto;padding:76px 28px 110px;display:grid}.article-toc,.knowledge-sidebar{position:sticky;top:120px}.article-toc>strong,.knowledge-sidebar>strong{color:var(--navy-900);font:9px var(--font-mono);text-transform:uppercase;margin-bottom:14px;display:block}.article-toc nav{border-top:1px solid var(--line);flex-direction:column;display:flex}.article-toc a{border-bottom:1px solid var(--line);color:var(--muted);padding:9px 0;font-size:10px}.article-toc a:hover{color:var(--teal)}.print-link{color:var(--teal);background:0 0;border:0;margin-top:20px;padding:0;font-size:10px}.article-body{min-width:0}.article-body section{margin-bottom:70px}.article-body h2{color:var(--navy-900);letter-spacing:-.035em;margin:0 0 22px;font-size:clamp(30px,3vw,43px);font-weight:470;line-height:1.08}.article-body h3{color:var(--navy-900);margin:30px 0 12px;font-size:20px}.article-body p{color:#374a5c}.article-body .lead{color:var(--navy-900);font-size:20px;line-height:1.65}.prose-list{color:#374a5c;padding-left:20px}.prose-list li{margin:8px 0}.knowledge-sidebar{border:1px solid var(--line);background:var(--paper);padding:22px}.knowledge-sidebar ul{margin:0 0 22px;padding:0;list-style:none}.knowledge-sidebar li{border-bottom:1px solid var(--line);color:var(--muted);padding:9px 0;font-size:10px}.table-scroll{border:1px solid var(--line);margin:28px 0;overflow-x:auto}table{border-collapse:collapse;background:#fff;width:100%;min-width:720px;font-size:11px}caption{background:var(--navy-900);color:#fff;text-align:left;font:9px var(--font-mono);text-transform:uppercase;padding:12px 14px}th,td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:14px}thead th{background:var(--ice);color:#45586b;font:8px var(--font-mono);text-transform:uppercase;position:sticky;top:0}tbody th{color:var(--navy-900);font-weight:700}.callout{border-left:4px solid var(--teal);background:var(--ice);grid-template-columns:180px 1fr;gap:22px;margin:30px 0;padding:22px;display:grid}.callout>strong{color:var(--navy-900);font-size:12px}.callout>div{color:#405467;font-size:12px}.callout.warning{border-color:var(--amber);background:#fff7e8}.callout.critical{border-color:var(--red);background:#fff0ee}.reference-list a{color:var(--teal);text-decoration:underline}.signal-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.signal-grid div{border:1px solid var(--line);padding:20px}.signal-grid span{color:var(--teal);font:8px var(--font-mono);text-transform:uppercase}.signal-grid strong{color:var(--navy-900);margin:12px 0;display:block}.signal-grid p{margin:0;font-size:11px}.two-column{grid-template-columns:1fr 1fr;gap:30px;display:grid}.action-list{border-top:1px solid var(--line);padding:0;list-style:none}.action-list li{border-bottom:1px solid var(--line);grid-template-columns:55px 1fr;padding:16px 0;display:grid}.action-list span{color:var(--teal);font:9px var(--font-mono)}.article-body details,.faq-records details{border-top:1px solid var(--line)}.article-body summary,.faq-records summary{cursor:pointer;color:var(--navy-900);justify-content:space-between;gap:20px;padding:18px 0;font-weight:650;list-style:none;display:flex}.article-body summary::-webkit-details-marker{display:none}.faq-records summary::-webkit-details-marker{display:none}.article-body details>p{margin:0 0 20px}.related-section{background:var(--paper);padding:80px clamp(24px,6vw,98px)}.related-section h2{margin:12px 0 42px;font-size:45px;font-weight:430}.pathway-hero{background:var(--navy-900);color:#fff;padding:80px clamp(24px,7vw,110px)}.pathway-hero h1{letter-spacing:-.055em;max-width:1000px;margin:18px 0;font-size:clamp(52px,7vw,90px);font-weight:370;line-height:.95}.pathway-hero p{color:#c4d3de;max-width:800px}.pathway-workspace{grid-template-columns:.65fr 1.35fr;align-items:start;gap:7vw;display:grid}.pathway-workspace>div:first-child h2{color:var(--navy-900);margin:16px 0;font-size:40px;font-weight:450;line-height:1.1}.pathway-workspace>div:first-child p,.pathway-workspace>div:first-child li{color:var(--muted);font-size:12px}.pathway-engine{border:1px solid var(--line);box-shadow:0 20px 60px #06142612}.pathway-toolbar{background:var(--navy-900);color:#fff;min-height:56px;font:8px var(--font-mono);text-transform:uppercase;grid-template-columns:120px 1fr 40px;align-items:center;gap:16px;padding:0 20px;display:grid}.pathway-progress{background:#375068;height:5px}.pathway-progress i{background:#78a8f6;height:100%;display:block}.pathway-engine>section{min-height:420px;padding:42px}.step-label{color:var(--teal);font:9px var(--font-mono);text-transform:uppercase}.pathway-engine h2{max-width:700px;color:var(--navy-900);margin:18px 0;font-size:35px;line-height:1.15}.pathway-engine>section>p{color:var(--muted)}.pathway-options{gap:10px;margin-top:30px;display:grid}.pathway-options button{border:1px solid var(--line);text-align:left;cursor:pointer;background:#fff;grid-template-columns:1fr 1.6fr 30px;align-items:center;gap:18px;padding:18px;display:grid}.pathway-options button:hover{border-color:var(--teal);background:#edf4ff}.pathway-options span{color:var(--muted);font-size:10px}.pathway-options b{color:var(--teal)}.pathway-controls{border-top:1px solid var(--line);justify-content:space-between;padding:15px 20px;display:flex}.pathway-controls button,.outcome-actions>*{border:1px solid var(--teal);min-height:40px;color:var(--teal);cursor:pointer;background:#fff;padding:0 14px}.pathway-controls button:disabled{opacity:.4}.pathway-warning{background:#fff7e8;border-top:1px solid #e6c98f;grid-template-columns:100px 1fr;padding:20px;display:grid}.pathway-warning p{margin:0;font-size:10px}.evidence-trail{margin:24px 0}.evidence-trail>div{border-top:1px solid var(--line);grid-template-columns:35px 1fr;gap:12px;padding:10px 0;display:grid}.evidence-trail span{color:var(--teal);font:9px var(--font-mono)}.evidence-trail p,.evidence-trail strong{margin:0;font-size:10px;display:block}.outcome-actions{gap:10px;display:flex}.pillar-hero{background:var(--navy-900);color:#fff;grid-template-columns:1fr 300px;align-items:center;gap:8vw;min-height:520px;padding:80px clamp(24px,7vw,110px);display:grid}.pillar-hero h1{letter-spacing:-.055em;max-width:1000px;margin:20px 0;font-size:clamp(56px,7vw,96px);font-weight:370;line-height:.95}.pillar-hero>div>p{color:#c1d0dc;max-width:780px;font-size:17px}.pillar-hero aside{border:1px solid #49647c;padding:25px}.pillar-hero aside span{color:#78a8f6;font:8px var(--font-mono);text-transform:uppercase;margin-bottom:12px;display:block}.pillar-hero aside strong{border-top:1px solid #3c566d;padding:9px 0;font-size:11px;display:block}.pillar-intro{grid-template-columns:.8fr 1.2fr;gap:9vw;display:grid}.pillar-intro h2{letter-spacing:-.045em;margin:15px 0;font-size:clamp(40px,5vw,68px);font-weight:410;line-height:1}.pillar-intro .lead{color:var(--navy-900);font-size:20px}.dimension-grid{border-top:1px solid #49647c;border-left:1px solid #49647c;grid-template-columns:repeat(3,1fr);display:grid}.dimension-grid article{border-bottom:1px solid #49647c;border-right:1px solid #49647c;min-height:350px;padding:28px}.dimension-grid span{color:#78a8f6;font:9px var(--font-mono)}.dimension-grid h3{margin:55px 0 14px;font-size:27px;font-weight:450}.dimension-grid p{color:#b7c8d4;font-size:12px}.dimension-grid ul{padding:0;list-style:none}.dimension-grid li{color:#dfe8ee;border-top:1px solid #3c566d;padding:7px 0;font-size:10px}.topic-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.topic-grid div{border-top:3px solid var(--teal);background:var(--paper);padding:24px}.topic-grid span{color:var(--teal);font:9px var(--font-mono)}.topic-grid strong{color:var(--navy-900);margin:28px 0 10px;font-size:18px;display:block}.topic-grid p{color:var(--muted);margin:0;font-size:11px}.sampling-knowledge{background:var(--ice);grid-template-columns:.8fr 1.2fr;align-items:center;gap:8vw;display:grid}.sampling-knowledge h2{margin:15px 0;font-size:48px;font-weight:430;line-height:1.05}.technical-disclaimer{background:#fff7e8;border-top:1px solid #e5c987;grid-template-columns:200px 1fr;gap:30px;padding:28px clamp(24px,6vw,98px);display:grid}.technical-disclaimer p{margin:0;font-size:11px}.fluid-directory article{border-top:1px solid var(--line);grid-template-columns:70px 1fr 170px;gap:30px;min-height:220px;padding:28px 0;display:grid}.fluid-directory>article>span{color:var(--teal);font:9px var(--font-mono)}.fluid-directory h2{color:var(--navy-900);margin:0 0 10px;font-size:32px;font-weight:450}.fluid-directory p{color:var(--muted)}.fluid-directory ul{flex-wrap:wrap;gap:6px;padding:0;list-style:none;display:flex}.fluid-directory li{background:var(--ice);font:8px var(--font-mono);padding:4px 7px}.fluid-directory a{color:var(--teal);font-size:11px}.standard-grid{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px;display:grid}.standard-grid article{border:1px solid var(--line);flex-direction:column;padding:25px;display:flex}.standard-grid article>span{color:var(--teal);font:9px var(--font-mono)}.standard-grid h2{color:var(--navy-900);margin:25px 0 0;font-size:26px}.standard-grid h3{font-size:14px}.standard-grid p,.standard-grid li{color:var(--muted);font-size:10px}.standard-grid ul{padding-left:18px}.standard-grid a{color:var(--teal);margin-top:auto;font-size:10px}.standard-grid small{color:var(--amber);font:8px var(--font-mono);margin-top:10px}.glossary-tools,.filter-bar{grid-template-columns:1fr 1fr;gap:24px;margin-bottom:40px;display:grid}.glossary-tools label,.filter-bar label{color:var(--navy-900);font-size:10px;font-weight:700}.glossary-tools input,.filter-bar input,.filter-bar select{background:#fff;border:1px solid #9aaaba;width:100%;height:52px;margin-top:8px;padding:0 14px}.glossary-tools nav{flex-wrap:wrap;align-items:end;gap:5px;display:flex}.glossary-tools nav a{border:1px solid var(--line);width:32px;height:32px;color:var(--teal);font:9px var(--font-mono);place-items:center;display:grid}.glossary-records article{border-top:1px solid var(--line);grid-template-columns:60px 1fr;padding:25px 0;display:grid}.glossary-records>article>span{color:var(--teal);font:10px var(--font-mono)}.glossary-records h2{color:var(--navy-900);margin:0;font-size:24px}.glossary-records p{color:var(--muted)}.glossary-records a{color:var(--teal);font-size:10px}.faq-records{max-width:1000px}.faq-records summary{grid-template-columns:50px 1fr 20px;font-size:17px;display:grid}.faq-records summary span{color:var(--teal);font:9px var(--font-mono)}.faq-records details>div{color:var(--muted);padding:0 50px 25px}.faq-concise{color:var(--navy-900);font-weight:700}.faq-records a{color:var(--teal);font-size:10px}.article-directory{background:var(--paper);grid-template-columns:repeat(3,1fr);gap:22px;display:grid}.article-directory article{border-top:3px solid var(--teal);background:#fff;flex-direction:column;min-height:360px;padding:28px;display:flex}.article-directory article>div{color:var(--teal);font:8px var(--font-mono);text-transform:uppercase;justify-content:space-between;display:flex}.article-directory h2{color:var(--navy-900);margin:60px 0 15px;font-size:26px;font-weight:470;line-height:1.15}.article-directory p{color:var(--muted);font-size:12px}.article-directory a{color:var(--teal);margin-top:auto;font-size:10px}.technical-article{max-width:var(--max);margin:0 auto;padding:74px 28px 120px}.technical-article>header{border-bottom:1px solid var(--line);max-width:980px;padding-bottom:54px}.technical-article>header h1{color:var(--navy-900);letter-spacing:-.052em;margin:18px 0 22px;font-size:clamp(48px,6vw,82px);font-weight:390;line-height:1}.technical-article>header>p{color:#405466;max-width:800px;font-size:18px;line-height:1.65}.technical-article-layout{grid-template-columns:230px minmax(0,820px);align-items:start;gap:70px;padding-top:62px;display:grid}.technical-article-layout>aside{border-top:1px solid var(--line);flex-direction:column;display:flex;position:sticky;top:120px}.technical-article-layout>aside strong{color:var(--navy-900);font:9px var(--font-mono);text-transform:uppercase;padding:0 0 14px}.technical-article-layout>aside a{border-bottom:1px solid var(--line);color:var(--muted);padding:10px 0;font-size:10px}.article-prose>section{margin:65px 0}.article-prose h2{color:var(--navy-900);letter-spacing:-.035em;margin:0 0 22px;font-size:clamp(30px,3vw,43px);font-weight:470;line-height:1.08}.article-prose p{color:#374a5c}.article-prose .lead{color:var(--navy-900);margin-top:0;font-size:20px;line-height:1.65}.related-links{flex-wrap:wrap;gap:10px;display:flex}.related-links a{color:var(--teal);border:1px solid var(--line);padding:11px 14px;font-size:10px}.policy-article{max-width:900px;margin:0 auto;padding:80px 24px 120px}.policy-article section{margin-bottom:65px}.policy-article h2{color:var(--navy-900);margin:0 0 20px;font-size:36px;font-weight:470}.policy-article p,.policy-article li{color:#3e5264}.policy-article li{margin:8px 0}.intake-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.intake-grid div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:15px}.intake-grid span{color:var(--green);margin-right:10px}.not-found{background:var(--paper);min-height:650px;padding:100px clamp(24px,8vw,130px)}.not-found h1{max-width:900px;color:var(--navy-900);margin:20px 0;font-size:clamp(50px,7vw,90px);font-weight:370;line-height:.98}.not-found>p{max-width:700px;color:var(--muted)}.not-found .atlas-search{max-width:750px;margin:40px 0}.not-found .atlas-search>label{color:var(--muted)}.not-found>div:last-child{flex-wrap:wrap;gap:10px;display:flex}.not-found>div:last-child a{border:1px solid var(--teal);color:var(--teal);padding:10px 14px;font-size:10px}.route-loading{background:var(--paper);min-height:500px;color:var(--navy-900);align-content:center;place-items:center;gap:14px;display:grid}.route-loading span{border:3px solid var(--line);border-top-color:var(--teal);border-radius:50%;width:38px;height:38px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.perspective-split{border-bottom:1px solid var(--line);background:#fff;grid-template-columns:1fr 1fr;display:grid}.perspective-split>a{border-right:1px solid var(--line);flex-direction:column;min-height:360px;padding:58px clamp(24px,6vw,98px);transition:background .16s,color .16s;display:flex}.perspective-split>a:last-child{background:var(--ice);border-right:0}.perspective-split>a:hover{background:#edf4ff}.perspective-split span{color:var(--teal);font:600 11px/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase}.perspective-split h2{max-width:660px;color:var(--navy-900);letter-spacing:-.035em;margin:32px 0 16px;font-size:clamp(32px,3.2vw,48px);line-height:1.08}.perspective-split p{max-width:690px;color:var(--muted);margin:0;font-size:15px}.perspective-split b{color:var(--teal);margin-top:auto;padding-top:30px;font-size:13px}.product-library-hero{background:linear-gradient(120deg,#f4f7fb 0%,#dce9ff 100%)}.perspective-intro{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.perspective-intro>div{border-right:1px solid var(--line);grid-template-columns:42px 1fr;gap:2px 18px;padding:28px clamp(24px,6vw,98px);display:grid}.perspective-intro>div:last-child{border-right:0}.perspective-intro span{color:var(--teal);font:600 11px var(--font-mono);grid-row:span 2}.perspective-intro strong{color:var(--navy-900);font-size:15px}.perspective-intro p{color:var(--muted);margin:4px 0 0;font-size:13px}.product-directory{background:#fff}.product-family-index{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:0 0 76px;display:grid}.product-family-index a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:112px;color:var(--navy-900);flex-direction:column;justify-content:space-between;padding:22px;transition:all .16s;display:flex}.product-family-index a:hover{background:var(--ice);box-shadow:inset 0 3px var(--teal)}.product-family-index strong{font-size:17px}.product-family-index span{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase}.priority-fluid-heading{grid-template-columns:minmax(240px,.85fr) 1.15fr;align-items:end;gap:12px 60px;margin-top:56px;display:grid}.priority-fluid-heading>span{grid-column:1/-1}.priority-fluid-heading h2{color:var(--navy-900);letter-spacing:-.035em;margin:0;font-size:clamp(34px,4vw,52px);line-height:1.05}.priority-fluid-heading p{color:var(--muted);margin:0;font-size:14px;line-height:1.7}.priority-fluid-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:28px 0 58px;display:grid}.priority-fluid-grid a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:linear-gradient(145deg, #fff, var(--ice));grid-template-columns:1fr auto;align-content:start;min-height:280px;padding:28px;transition:all .16s;display:grid}.priority-fluid-grid a:hover{box-shadow:inset 0 4px var(--teal);background:#fff}.priority-fluid-grid span,.priority-fluid-grid small{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase}.priority-fluid-grid h3,.priority-fluid-grid p,.priority-fluid-grid b{grid-column:1/-1}.priority-fluid-grid h3{color:var(--navy-900);margin:52px 0 12px;font-size:28px}.priority-fluid-grid p{color:var(--muted);margin:0;font-size:13px;line-height:1.65}.priority-fluid-grid b{color:var(--teal);align-self:end;margin-top:24px;font-size:12px}.product-family-section{padding:0 0 92px;scroll-margin-top:120px}.product-family-section:last-child{padding-bottom:0}.product-family-heading{grid-template-columns:1fr minmax(280px,560px);align-items:end;gap:40px;margin:0 0 28px;display:grid}.product-family-heading h2{color:var(--navy-900);letter-spacing:-.04em;margin:8px 0 0;font-size:clamp(36px,4vw,58px);line-height:1}.product-family-heading>p{color:var(--muted);margin:0}.product-card-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.product-card-grid>a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;min-height:430px;padding:32px;transition:all .16s;display:flex}.product-card-grid>a:hover{background:var(--ice);box-shadow:inset 0 4px var(--teal)}.product-card-grid>a>div{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase;justify-content:space-between;display:flex}.product-card-grid h2{color:var(--navy-900);margin:62px 0 16px;font-size:31px;line-height:1.08}.product-card-grid p{color:var(--muted);margin:0;font-size:14px}.product-card-grid ul{margin:24px 0;padding:0;list-style:none}.product-card-grid li{border-top:1px solid var(--soft-line);color:#405466;padding:8px 0;font-size:12px}.product-card-grid b{color:var(--teal);margin-top:auto;font-size:12px}.condition-monitoring-bridge{background:var(--navy-900);color:#fff;justify-content:space-between;align-items:end;gap:50px;padding:70px clamp(24px,6vw,98px);display:flex}.condition-monitoring-bridge h2{max-width:850px;margin:14px 0;font-size:clamp(36px,4vw,58px);line-height:1.05}.condition-monitoring-bridge p{color:#b9c9d6;max-width:740px}.condition-monitoring-bridge>div:last-child{flex-wrap:wrap;gap:10px;display:flex}.product-hero{background:var(--navy-900);color:#fff;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);align-items:center;gap:8vw;min-height:520px;padding:74px clamp(24px,7vw,112px);display:grid}.product-hero h1{letter-spacing:-.055em;max-width:960px;margin:20px 0;font-size:clamp(58px,7vw,100px);line-height:.95}.product-hero p{color:#c4d2df;max-width:820px;font-size:18px}.product-hero aside{background:#0a213c;border:1px solid #39566e;padding:26px}.product-hero aside>span{color:#78a8f6;font:600 10px var(--font-mono);text-transform:uppercase;margin-bottom:12px;display:block}.product-hero aside strong{border-top:1px solid #39566e;padding:11px 0;font-size:13px;display:block}.product-anchor-nav{z-index:50;border-bottom:1px solid var(--line);background:#fff;padding:0 clamp(24px,6vw,98px);display:flex;position:sticky;top:80px;overflow-x:auto}.product-anchor-nav a{white-space:nowrap;color:#405466;align-items:center;min-height:50px;padding:0 16px;font-size:11px;font-weight:650;display:flex}.product-anchor-nav a:hover{color:var(--teal);background:var(--ice)}.product-article>section{padding:90px clamp(24px,7vw,112px);scroll-margin-top:145px}.product-article>section:nth-child(2n){background:var(--paper)}.product-overview .lead{max-width:1050px;color:var(--navy-900);font-size:23px;line-height:1.65}.product-type-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.product-type-grid>div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;min-height:270px;padding:26px}.product-type-grid span{color:var(--teal);font:600 10px var(--font-mono)}.product-type-grid h3{color:var(--navy-900);margin:62px 0 14px;font-size:22px;line-height:1.15}.product-type-grid p{color:var(--muted);font-size:13px}.purpose-list{border-top:1px solid var(--line);max-width:1050px;margin:0;padding:0;list-style:none}.purpose-list li{border-bottom:1px solid var(--line);grid-template-columns:70px 1fr;align-items:center;display:grid}.purpose-list span{color:var(--teal);font:600 11px var(--font-mono)}.purpose-list p{color:#334558;margin:0;padding:20px 0;font-size:16px}#test-matrix table{min-width:1380px}.product-condition-section{color:#fff;grid-template-columns:1fr 1fr;gap:8vw;display:grid;background:var(--navy-900)!important}.product-condition-section h2{margin:16px 0;font-size:clamp(38px,4vw,58px);line-height:1.05}.product-condition-section p{color:#becdd9;font-size:16px}.product-condition-section ol{margin:0;padding:0;list-style:none}.product-condition-section li{color:#dbe6ed;border-top:1px solid #3b566d;grid-template-columns:44px 1fr;padding:16px 0;font-size:14px;display:grid}.product-condition-section li span{color:#78a8f6;font:600 10px var(--font-mono)}.condition-sampling-link{color:#a9c6ff;border-bottom:1px solid;margin-top:18px;font-size:12px;font-weight:700;display:inline-flex}.product-test-links{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.product-test-links a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;grid-template-columns:1fr auto;gap:8px;min-height:145px;padding:22px;display:grid}.product-test-links a:hover{background:var(--ice)}.product-test-links small{color:var(--teal);font:600 10px var(--font-mono)}.product-test-links strong{color:var(--navy-900);grid-column:1/-1;align-self:end;font-size:16px}.product-test-links span{color:var(--muted);font-size:11px}.product-test-links b{color:var(--teal)}.product-sources{grid-template-columns:.75fr 1.25fr;gap:8vw;display:grid;background:var(--ice)!important}.product-sources h2{color:var(--navy-900);margin:16px 0;font-size:42px}.product-sources>div:last-child{border-top:1px solid var(--line)}.product-sources a{border-bottom:1px solid var(--line);min-height:76px;color:var(--navy-900);justify-content:space-between;align-items:center;gap:20px;padding:16px 0;font-size:14px;font-weight:650;display:flex}.product-sources a span{color:var(--teal);white-space:nowrap;font-size:11px}.site-footer{background:var(--navy-950);color:#b9c9d6;grid-template-columns:1.7fr .8fr 1.45fr .9fr .7fr;gap:42px;padding:70px clamp(24px,6vw,98px) 24px;display:grid}.footer-lead p{max-width:500px;font-size:11px}.site-footer>div:not(.footer-lead):not(.footer-bottom){flex-direction:column;gap:8px;font-size:10px;display:flex}.site-footer>.footer-lubricants{grid-template-columns:1fr 1fr;align-content:start;column-gap:18px;display:grid}.site-footer>.footer-lubricants strong{grid-column:1/-1}.site-footer>.footer-lubricants a{line-height:1.45}.site-footer>div>strong{color:#78a8f6;font:8px var(--font-mono);text-transform:uppercase;margin-bottom:8px}.site-footer a:hover,.site-footer .atlas-brand{color:#fff}.footer-bottom{color:#7f94a6;font:8px var(--font-mono);text-transform:uppercase;border-top:1px solid #31485d;grid-column:1/-1;justify-content:space-between;padding-top:20px;display:flex}.footer-bottom a{color:#9fc0ff}.footer-cta{font-weight:600}:where(h1,h2,h3,strong){text-wrap:balance}:where(.hero-content h1,.section-heading h2,.split-heading h2,.library-hero h1,.article-hero h1,.pathway-hero h1,.pillar-hero h1,.technical-article>header h1,.policy-article h1){font-family:var(--font-sans), "Segoe UI", Arial, sans-serif}:where(.explore-grid p,.domain-grid p,.entity-card p,.article-directory p,.dimension-grid p,.topic-grid p,.library-count p){font-size:14px;line-height:1.7}:where(.domain-grid li,.dimension-grid li,.standard-grid p,.standard-grid li,.pathway-workspace>div:first-child p,.pathway-workspace>div:first-child li,.callout>div,.signal-grid p,.technical-disclaimer p){font-size:13px;line-height:1.65}:where(.domain-grid a,.card-link,.article-directory a,.standard-grid a,.glossary-records a,.faq-records a,.fluid-directory a,.technical-article-layout>aside a,.article-toc a,.related-links a){font-size:12px;font-weight:650}.article-body :where(p,li),.article-prose :where(p,li),.policy-article :where(p,li),.technical-article :where(p,li),.info-page :where(p,li){font-size:16px;line-height:1.78}.article-body .lead,.article-prose .lead,.pillar-intro .lead{font-size:21px;line-height:1.65}.breadcrumbs ol{font-size:12px}table{font-size:13px;line-height:1.55}.search-control input{font-size:15px}.search-results strong{font-size:13px}.search-results p{font-size:12px}.suggested-searches,.explore-grid b,.popular-tests span{font-size:11px}.pathway-list strong,.popular-tests strong{font-size:17px}.pathway-options span,.pathway-warning p,.evidence-trail p,.evidence-trail strong{font-size:12px;line-height:1.55}.glossary-tools label,.filter-bar label{font-size:12px}.footer-lead p{font-size:13px;line-height:1.7}.site-footer>div:not(.footer-lead):not(.footer-bottom){font-size:12px}.site-footer>div>strong{letter-spacing:.08em;font-size:10px}.footer-bottom{align-items:center;gap:24px;font-size:9px;line-height:1.6}.inline-external-link{color:var(--teal);border-bottom:1px solid;font-weight:650}.chemtech-contact-panel{border:1px solid var(--line);border-left:4px solid var(--teal);background:linear-gradient(135deg,#f4f7fb,#fff);padding:clamp(28px,4vw,48px)}.chemtech-contact-panel h2{max-width:800px}.chemtech-contact-panel p{max-width:860px}.contact-actions{flex-wrap:wrap;gap:12px;margin:26px 0 14px;display:flex}.chemtech-contact-panel small{color:var(--muted);font:500 10px/1.5 var(--font-mono)}.industry-library-hero,.maintenance-hero,.wear-metals-hero{background:radial-gradient(circle at 82% 20%, #2563eb40 0, transparent 30%), linear-gradient(135deg, var(--navy-950), var(--navy-800))}.industry-library-hero p,.maintenance-hero p,.wear-metals-hero p{max-width:940px}.industry-hero{background:linear-gradient(135deg, var(--navy-950), var(--navy-800))}.industry-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.industry-grid>a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:1fr auto;align-content:start;min-height:420px;padding:30px;transition:background .16s,box-shadow .16s;display:grid}.industry-grid>a:hover{background:var(--ice);box-shadow:inset 0 4px var(--teal)}.industry-grid>a>span,.industry-grid small{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase}.industry-grid small{text-align:right}.industry-grid h2,.industry-grid p,.industry-grid ul,.industry-grid b{grid-column:1/-1}.industry-grid h2{color:var(--navy-900);margin:54px 0 14px;font-size:29px;line-height:1.1}.industry-grid p{color:var(--muted);margin:0 0 18px;font-size:13px;line-height:1.7}.industry-grid ul{margin:0 0 24px;padding:0;list-style:none}.industry-grid li{border-top:1px solid var(--soft-line);color:#405466;padding:6px 0;font-size:12px}.industry-grid b{color:var(--teal);align-self:end;font-size:12px}.decision-chain{background:var(--navy-900);color:#fff;grid-template-columns:repeat(4,1fr);padding:0 clamp(24px,6vw,98px);display:grid}.decision-chain>div{border-right:1px solid #355066;min-height:220px;padding:34px 28px}.decision-chain>div:last-child{border-right:0}.decision-chain span{color:#78a8f6;font:600 10px var(--font-mono)}.decision-chain strong{margin:52px 0 10px;font-size:19px;display:block}.decision-chain p{color:#bdccd7;margin:0;font-size:13px;line-height:1.65}.industry-priorities{background:var(--ice)}.industry-priorities h2{color:var(--navy-900)}.maintenance-cycle{background:var(--navy-950);color:#fff}.maintenance-cycle>.decision-chain{border:1px solid #355066;padding:0}.maintenance-cycle .callout{margin-top:38px}.metal-action-links{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(5,1fr);margin-top:34px;display:grid}.metal-action-links a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;justify-content:space-between;min-height:118px;padding:18px;display:flex}.metal-action-links a:hover{background:var(--ice)}.metal-action-links strong{color:var(--navy-900);font-size:16px}.metal-action-links span{color:var(--teal);font-size:10px;font-weight:650}.reliability-entry{background:linear-gradient(135deg, var(--ice), #fff)}.reliability-entry-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.reliability-entry-grid a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);flex-direction:column;min-height:210px;padding:28px;display:flex}.reliability-entry-grid a:hover{box-shadow:inset 0 4px var(--teal);background:#fff}.reliability-entry-grid small{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase}.reliability-entry-grid strong{color:var(--navy-900);margin:46px 0 10px;font-size:21px}.reliability-entry-grid span{color:var(--muted);font-size:12px;line-height:1.6}.sampling-guide-hero{background:linear-gradient(120deg,#f7f9fc 0%,#e7f0ff 100%)}.sampling-guide-hero .hero-actions .secondary{border-color:var(--navy-900);color:var(--navy-900)}.sampling-download-section{background:#fff}.sampling-download-panel{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.sampling-download-panel article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);flex-direction:column;align-items:flex-start;min-height:300px;padding:32px;display:flex}.sampling-download-panel small,.sampling-family-heading span,.sampling-family-heading small,.sampling-procedure-card small,.sampling-procedure-card>div>span{color:var(--teal);font:600 10px var(--font-mono);text-transform:uppercase}.sampling-download-panel h3{color:var(--navy-900);margin:54px 0 12px;font-size:30px}.sampling-download-panel p{max-width:620px;color:var(--muted);margin:0 0 28px;font-size:14px;line-height:1.7}.sampling-download-panel .button{margin-top:auto}.sampling-procedure-library{background:var(--paper)}.sampling-family{margin-top:64px}.sampling-family-heading{border-bottom:1px solid var(--line);grid-template-columns:48px 1fr auto;align-items:end;padding-bottom:15px;display:grid}.sampling-family-heading h3{color:var(--navy-900);margin:0;font-size:28px}.sampling-procedure-grid{border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.sampling-procedure-card{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-height:370px;padding:26px;transition:background .16s,box-shadow .16s;display:flex}.sampling-procedure-card:hover{background:var(--ice);box-shadow:inset 0 4px var(--teal)}.sampling-procedure-card>div{justify-content:space-between;gap:18px;display:flex}.sampling-procedure-card>div>span{color:var(--muted);text-align:right}.sampling-procedure-card h4{color:var(--navy-900);margin:54px 0 14px;font-size:24px;line-height:1.15}.sampling-procedure-card p{color:var(--muted);margin:0 0 16px;font-size:13px;line-height:1.65}.sampling-procedure-card ul{margin:0 0 24px;padding:0;list-style:none}.sampling-procedure-card li{border-top:1px solid var(--soft-line);color:#405466;padding:6px 0;font-size:11px}.sampling-procedure-card b{color:var(--teal);margin-top:auto;font-size:12px}.sampling-location-section .callout{margin-top:34px}.procedure-hero{background:linear-gradient(135deg, var(--navy-950), var(--navy-800));color:#fff;grid-template-columns:1fr 320px;align-items:end;gap:7vw;min-height:520px;padding:84px clamp(24px,7vw,112px);display:grid}.procedure-hero h1{letter-spacing:-.05em;max-width:980px;margin:20px 0;font-size:clamp(54px,6.5vw,92px);line-height:.96}.procedure-hero p{color:#c4d2df;max-width:820px;font-size:18px;line-height:1.65}.procedure-hero aside{background:#0a213c;border:1px solid #39566e;padding:26px}.procedure-hero aside>span{color:#78a8f6;font:600 10px var(--font-mono);text-transform:uppercase}.procedure-hero aside strong{margin:18px 0;font-size:16px;display:block}.procedure-hero aside small{color:#b9c9d6;font-size:11px;line-height:1.65}.procedure-article>section{padding:90px clamp(24px,7vw,112px);scroll-margin-top:100px}.procedure-article>section:nth-child(2n){background:var(--paper)}.procedure-overview,.procedure-closeout{grid-template-columns:1fr 1fr;gap:8vw;display:grid}.procedure-overview h2,.procedure-closeout h2{color:var(--navy-900);margin:15px 0 25px;font-size:34px;line-height:1.12}.procedure-overview ul,.procedure-closeout ul{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.procedure-overview li,.procedure-closeout li{border-bottom:1px solid var(--line);color:#405466;padding:14px 0;font-size:14px;line-height:1.6}.procedure-materials>ul{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(4,1fr);margin:0 0 34px;padding:0;list-style:none;display:grid}.procedure-materials>ul li{border-right:1px solid var(--line);border-bottom:1px solid var(--line);color:#405466;background:#fff;flex-direction:column;justify-content:space-between;gap:18px;min-height:125px;padding:20px;font-size:13px;display:flex}.procedure-materials>ul span{color:var(--teal);font:600 10px var(--font-mono)}.procedure-steps{border-top:1px solid var(--line);margin:0;padding:0;list-style:none}.procedure-step{border-bottom:1px solid var(--line);grid-template-columns:64px minmax(0,1.25fr) minmax(260px,.75fr);gap:28px;padding:25px 0;display:grid}.procedure-step>span{color:var(--teal);font:600 11px var(--font-mono)}.procedure-step h3{color:var(--navy-900);margin:0 0 8px;font-size:20px}.procedure-step p{color:#405466;margin:0;font-size:14px;line-height:1.65}.procedure-step aside{border-left:2px solid var(--blue-100);padding-left:22px}.procedure-step aside small{color:var(--blue-700);font:600 9px var(--font-mono);text-transform:uppercase;margin-bottom:6px;display:block}.procedure-step aside p{color:var(--muted);font-size:12px}.procedure-downloads{border:1px solid var(--line);background:#fff;padding:32px}.procedure-downloads p{color:var(--muted)}.procedure-downloads .button,.procedure-downloads .text-link{margin-top:18px}.procedure-downloads .text-link{display:block}.procedure-related>div:last-child{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.procedure-related a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-height:165px;padding:22px;display:flex}.procedure-related a:hover{background:var(--ice)}.procedure-related small{color:var(--teal);font:600 10px var(--font-mono)}.procedure-related strong{color:var(--navy-900);margin:28px 0 12px;font-size:18px}.procedure-related span{color:var(--teal);margin-top:auto;font-size:11px;font-weight:700}.standards-library-hero{background:linear-gradient(120deg,#f7f9fc 0%,#e7f0ff 100%)}.standards-summary{border-top:1px solid var(--line);border-left:1px solid var(--line);flex-wrap:wrap;margin-top:38px;display:flex}.standards-summary a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-width:112px;padding:16px 18px;display:flex}.standards-summary a:hover{background:var(--ice)}.standards-summary strong{color:var(--navy-900);font-size:22px}.standards-summary span{color:var(--teal);font:600 9px var(--font-mono);text-transform:uppercase}.standards-governance{grid-template-columns:1fr 1fr;gap:24px;display:grid}.standards-governance .callout{margin:0}.product-standards-index{background:var(--paper)}.product-standards-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.product-standards-grid a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-height:210px;padding:24px;display:flex}.product-standards-grid a:hover{background:var(--ice);box-shadow:inset 0 4px var(--teal)}.product-standards-grid small{color:var(--teal);font:600 9px var(--font-mono);text-transform:uppercase}.product-standards-grid strong{color:var(--navy-900);margin:45px 0 9px;font-size:22px}.product-standards-grid span{color:var(--muted);font-size:11px}.product-standards-grid b{color:var(--teal);margin-top:auto;font-size:11px}.standards-master-table table{min-width:1450px}.standards-body-section{scroll-margin-top:90px}.standards-body-section:nth-of-type(2n){background:var(--paper)}.standards-record-grid{border-top:1px solid var(--line);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);display:grid}.standards-record-grid article{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;flex-direction:column;min-height:330px;padding:26px;display:flex}.standards-record-grid small{color:var(--teal);font:600 9px var(--font-mono);text-transform:uppercase}.standards-record-grid h3{color:var(--navy-900);margin:46px 0 9px;font-size:23px}.standards-record-grid strong{color:#334558;font-size:13px}.standards-record-grid p{color:var(--muted);font-size:12px;line-height:1.7}.standards-record-grid a{color:var(--teal);margin-top:auto;font-size:11px;font-weight:700}.standards-record-grid>article>span{border-top:1px solid var(--line);color:var(--muted);margin-top:16px;padding-top:13px;font-size:9px;line-height:1.55}.standards-product-hero h1{max-width:1050px}.standards-product-article>section:nth-child(2n),.standards-applicable-records{background:var(--paper)}.product-standard-link{margin-top:10px;display:inline-flex}.method-coverage-marker{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (width<=1180px){.desktop-nav,.site-header>.header-cta{display:none}.menu-button{cursor:pointer;background:0 0;border:0;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;display:flex}.menu-button i{background:var(--navy-900);width:26px;height:2px}.mobile-nav{border:1px solid var(--line);background:#fff;width:min(440px,100vw);max-height:calc(100vh - 80px);padding:18px;display:none;position:absolute;top:80px;right:0;overflow:auto;box-shadow:0 25px 60px #06142638}.mobile-nav.open{display:block}.mobile-nav>section>div:first-child{border-bottom:1px solid var(--line);grid-template-columns:1fr 45px;display:grid}.mobile-nav>section>div>a,.mobile-nav>a{align-items:center;min-height:50px;font-size:12px;font-weight:700;display:flex}.mobile-nav>section button{color:var(--teal);background:0 0;border:0;font-size:22px}.mobile-subnav{background:var(--paper);padding:8px 16px;display:none}.mobile-subnav.open{flex-direction:column;display:flex}.mobile-subnav a{color:var(--muted);padding:9px 0;font-size:11px}.mobile-nav .header-cta{margin-top:15px}.domain-grid,.popular-tests{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:180px minmax(0,1fr)}.knowledge-sidebar{display:none}.card-grid,.article-directory,.product-card-grid,.product-test-links,.product-family-index{grid-template-columns:1fr 1fr}.priority-fluid-grid{grid-template-columns:repeat(3,1fr)}.product-type-grid,.industry-grid{grid-template-columns:1fr 1fr}.metal-action-links{grid-template-columns:repeat(3,1fr)}.sampling-procedure-grid,.procedure-materials>ul,.product-standards-grid,.standards-record-grid{grid-template-columns:1fr 1fr}}@media (width<=800px){.reference-strip{text-align:center;justify-content:center;min-height:34px;font-size:8px}.reference-strip>span{display:none}.site-header{height:68px;padding:0 18px}.mobile-nav{max-height:calc(100vh - 68px);top:68px}.atlas-brand{font-size:12px}.home-hero{grid-template-columns:1fr;min-height:auto;padding:65px 22px 0}.hero-content h1{font-size:clamp(48px,14vw,70px)}.hero-content>p{font-size:16px}.hero-search{margin:20px 0 30px}.hero-index{grid-template-columns:1fr 1fr}.hero-index>span{grid-column:1/-1}.hero-index div{border-top:1px solid #45617a}.section{padding:72px 22px}.split-heading,.sampling-banner,.pillar-intro,.sampling-knowledge,.pathway-workspace{grid-template-columns:1fr;gap:25px}.explore-grid{grid-template-columns:1fr 1fr}.domain-grid,.dimension-grid{grid-template-columns:1fr}.domain-grid article{min-height:360px}.pathway-list a{grid-template-columns:45px 1fr 35px;padding:15px 8px}.pathway-list small{grid-column:2}.pathway-list b{grid-area:1/3/3}.card-grid{grid-template-columns:1fr}.sampling-diagram{justify-content:flex-start;padding:20px 0;overflow-x:auto}.sampling-diagram span{width:90px;min-width:90px;height:90px}.credibility{grid-template-columns:1fr 1fr;gap:20px}.library-hero{padding:65px 22px}.library-hero h1{font-size:54px}.library-count{grid-template-columns:auto 1fr}.library-count p{grid-column:1/-1;justify-self:start}.guidance-strip{flex-direction:column;align-items:flex-start}.article-hero,.pillar-hero{grid-template-columns:1fr;padding:60px 22px}.article-hero h1,.pillar-hero h1{font-size:54px}.article-progress{top:68px}.article-layout{grid-template-columns:1fr;padding:50px 22px 75px}.article-toc{background:var(--paper);padding:18px;position:static}.callout,.signal-grid,.two-column{grid-template-columns:1fr}.pathway-engine>section{min-height:auto;padding:25px}.pathway-options button{grid-template-columns:1fr 25px}.pathway-options span{grid-column:1}.pathway-options b{grid-area:1/2/3}.topic-grid{grid-template-columns:1fr 1fr}.fluid-directory article{grid-template-columns:45px 1fr}.fluid-directory article>a{grid-column:2}.standard-grid,.glossary-tools,.filter-bar,.article-directory{grid-template-columns:1fr}.technical-article{padding:50px 22px 75px}.technical-article-layout{grid-template-columns:1fr;gap:36px}.technical-article-layout>aside{background:var(--paper);padding:18px;position:static}.technical-disclaimer,.perspective-split,.perspective-intro,.product-hero,.product-condition-section,.product-sources{grid-template-columns:1fr}.product-family-heading,.priority-fluid-heading{grid-template-columns:1fr;gap:12px}.priority-fluid-heading>span{grid-column:1}.perspective-split>a{border-right:0;border-bottom:1px solid var(--line);min-height:320px}.condition-monitoring-bridge{flex-direction:column;align-items:flex-start}.product-anchor-nav{top:68px}.product-article>section{padding:68px 22px}.product-hero{min-height:auto;padding:60px 22px}.product-hero h1{font-size:58px}.sampling-download-panel,.procedure-hero,.procedure-overview,.procedure-closeout{grid-template-columns:1fr}.procedure-hero{min-height:auto;padding:60px 22px}.procedure-hero h1{font-size:54px}.procedure-article>section{padding:68px 22px}.procedure-step{grid-template-columns:42px 1fr;gap:18px}.procedure-step aside{grid-column:2}.procedure-related>div:last-child,.standards-governance{grid-template-columns:1fr}.decision-chain{grid-template-columns:1fr 1fr;padding:0 22px}.decision-chain>div:nth-child(2){border-right:0}.decision-chain>div{border-bottom:1px solid #355066;min-height:190px}.maintenance-cycle>.decision-chain{padding:0}.reliability-entry-grid{grid-template-columns:1fr}.site-footer{grid-template-columns:1fr 1fr}.footer-lead,.footer-bottom,.footer-lubricants{grid-column:1/-1}}@media (width<=480px){.hero-actions{flex-direction:column;align-items:stretch}.hero-index,.explore-grid,.popular-tests,.topic-grid,.credibility,.intake-grid{grid-template-columns:1fr}.popular-tests a{min-height:135px}.faq-records summary{grid-template-columns:35px 1fr 20px;font-size:14px}.faq-records details>div{padding-left:35px}.site-footer{grid-template-columns:1fr}.site-footer>div,.footer-lead,.footer-bottom{grid-column:1}.site-footer>.footer-lubricants{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column;gap:10px}.contact-actions{flex-direction:column;align-items:stretch}.product-card-grid,.product-type-grid,.product-test-links,.product-family-index,.priority-fluid-grid,.industry-grid,.metal-action-links,.decision-chain,.sampling-procedure-grid,.procedure-materials>ul,.product-standards-grid,.standards-record-grid{grid-template-columns:1fr}.decision-chain>div{border-right:0;min-height:160px}.decision-chain strong{margin-top:28px}.purpose-list li{grid-template-columns:44px 1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media print{.reference-strip,.site-header,.article-toc,.knowledge-sidebar,.technical-article-layout>aside,.site-footer,.guidance-strip,.hero-actions,.pathway-controls{display:none!important}body{color:#000;background:#fff;font-size:11pt}.article-hero,.pillar-hero,.pathway-hero{color:#000;background:#fff;border-bottom:2px solid #000;min-height:0;padding:20px 0}.article-hero h1,.pillar-hero h1,.pathway-hero h1{color:#000;font-size:32pt}.article-hero>div>p,.pillar-hero>div>p,.pathway-hero p{color:#000}.article-facts{box-shadow:none;border:1px solid #000}.article-layout{max-width:none;padding:20px 0;display:block}.article-body{max-width:none}table{page-break-inside:auto;font-size:8pt}tr{page-break-inside:avoid}a[href]:after{content:" (" attr(href) ")";font-size:8pt}.article-body section,.callout{page-break-inside:avoid}.technical-article{max-width:none;padding:20px 0}}:root{--chem-navy:#021a70;--chem-navy-dark:#04164f;--chem-red:#ea0000;--chem-blue-pale:#e8edf8;--chem-blue-soft:#dbe3f4;--chem-ink:#111827;--chem-muted:#566176;--chem-line:#d8dfeb;--navy-950:var(--chem-navy-dark);--navy-900:var(--chem-navy);--navy-800:#0d2c82;--navy-700:#244397;--blue-700:var(--chem-navy);--blue-600:#173a9e;--blue-500:#3156b4;--blue-100:var(--chem-blue-soft);--blue-50:#f3f6fc;--teal:var(--chem-navy);--blue:var(--chem-navy);--red:var(--chem-red);--ink:var(--chem-ink);--muted:var(--chem-muted);--line:var(--chem-line);--soft-line:#e8ecf3;--paper:#f7f9fc;--ice:#f0f3fa;--blue-soft:var(--chem-blue-soft);--max:1680px;--reading:1080px}body{color:var(--chem-ink);font-size:16px;font-weight:380;line-height:1.68}h1,h2,h3,h4{letter-spacing:-.035em;text-wrap:balance}p{text-wrap:pretty}.reference-strip,.site-header{display:none}.wiki-utility{background:var(--chem-navy-dark);color:#dce4f8;min-height:34px;font:600 10px/1.4 var(--font-mono);letter-spacing:.055em;text-transform:uppercase;justify-content:space-between;align-items:center;gap:24px;padding:0 clamp(24px,4vw,72px);display:flex}.wiki-utility nav{align-items:center;gap:25px;display:flex}.wiki-utility a{color:#fff;transition:color .15s}.wiki-utility a:last-child{color:#aebfe9}.wiki-utility a:hover{color:#fff;text-underline-offset:4px;text-decoration:underline}.wiki-header{z-index:120;border-bottom:1px solid var(--chem-line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#fffffff7;align-items:stretch;gap:34px;min-height:86px;padding:0 clamp(24px,4vw,72px);display:flex;position:sticky;top:0;box-shadow:0 5px 18px #021a700b}.wiki-brand{width:265px;min-width:265px;color:var(--chem-navy);align-items:center;gap:13px;display:flex}.wiki-brand>span:last-child{grid-template-columns:auto auto;align-items:end;column-gap:7px;display:grid}.wiki-brand strong{letter-spacing:.08em;font-size:12px;line-height:1}.wiki-brand>span>b{color:var(--chem-red);font:800 12px/1 var(--font-sans);letter-spacing:.08em}.wiki-brand small{color:#6a7486;font:500 8px/1.25 var(--font-mono);letter-spacing:.02em;grid-column:1/-1;margin-top:5px}.wiki-mark{border-left:1px solid var(--chem-blue-soft);flex:0 0 39px;grid-template-columns:7px 7px 7px;align-items:end;gap:4px;width:39px;height:43px;padding:5px 0 4px 4px;display:grid;position:relative}.wiki-mark i{background:var(--chem-navy);display:block}.wiki-mark i:first-child{height:17px}.wiki-mark i:nth-child(2){height:31px}.wiki-mark i:nth-child(3){height:23px}.wiki-mark b{background:var(--chem-red);width:6px;height:6px;position:absolute;top:1px;right:0}.wiki-desktop-nav{align-items:stretch;margin-left:auto;display:flex}.wiki-mega{align-items:stretch;display:flex}.wiki-mega>a{color:#273348;border-bottom:3px solid #0000;align-items:center;gap:7px;padding:0 17px;font-size:13px;font-weight:650;display:flex}.wiki-mega>a span{color:#8b94a5;font-size:12px;transition:transform .15s}.wiki-mega:hover>a,.wiki-mega:focus-within>a,.wiki-mega>a.active{color:var(--chem-navy);border-color:var(--chem-red)}.wiki-mega:hover>a span,.wiki-mega:focus-within>a span{transform:rotate(180deg)}.wiki-mega-panel{visibility:hidden;opacity:0;border:1px solid var(--chem-line);background:#fff;grid-template-columns:320px 1fr;width:min(1100px,100vw - 80px);transition:opacity .16s,transform .16s,visibility .16s;display:grid;position:absolute;top:calc(100% + 1px);right:clamp(24px,4vw,72px);transform:translateY(8px);box-shadow:0 28px 60px #04164f29}.wiki-mega:hover .wiki-mega-panel,.wiki-mega:focus-within .wiki-mega-panel{visibility:visible;opacity:1;transform:translateY(0)}.mega-summary{background:var(--chem-navy);color:#fff;padding:34px}.mega-summary small,.mega-columns strong{font:700 9px/1.3 var(--font-mono);letter-spacing:.11em;text-transform:uppercase;margin-bottom:18px;display:block}.mega-summary small{color:#aebfe9}.mega-summary h2{margin:0 0 13px;font-size:31px}.mega-summary p{color:#d7e0f6;margin:0 0 26px;font-size:13px}.mega-summary a{color:#fff;font-size:12px;font-weight:750}.mega-columns{grid-template-columns:1fr 1fr;gap:36px;padding:28px 32px 22px;display:grid}.mega-columns strong{color:var(--chem-navy)}.mega-columns section{flex-direction:column;display:flex}.mega-columns a{color:#344054;border-bottom:1px solid #edf0f5;justify-content:space-between;align-items:center;min-height:38px;padding:7px 0;font-size:12px;display:flex}.mega-columns a b{color:var(--chem-red);opacity:0;font-weight:500;transition:all .15s;transform:translate(-5px)}.mega-columns a:hover{color:var(--chem-navy)}.mega-columns a:hover b{opacity:1;transform:translate(0)}.mega-footer{border-top:1px solid var(--chem-line);color:#647087;background:#f5f7fb;grid-column:1/-1;justify-content:space-between;gap:24px;padding:13px 32px;font-size:10px;display:flex}.mega-footer a{color:var(--chem-navy);font-weight:750}.header-search-link{color:#445067;border-left:1px solid var(--chem-line);align-items:center;gap:7px;margin:auto 0;padding:8px 13px;font-size:11px;font-weight:650;display:flex}.header-search-link b{color:var(--chem-navy);font-size:19px;line-height:1}.wiki-header-cta{background:var(--chem-red);color:#fff;border:1px solid var(--chem-red);align-items:center;gap:8px;min-height:40px;margin:auto 0;padding:0 17px;font-size:11px;font-weight:750;display:inline-flex}.wiki-header-cta:hover{background:#c70000;border-color:#c70000}.wiki-header-cta span{font-size:14px}.wiki-mobile-nav,.wiki-header .menu-button{display:none}.wiki-home-hero{max-width:var(--max);border-inline:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);background:#f3f6fc;min-height:650px;margin:0 auto}.hero-tabs{border-bottom:1px solid var(--chem-line);background:#fff;grid-template-columns:repeat(4,1fr);min-height:76px;display:grid}.hero-tabs button{color:#58657a;border:0;border-right:1px solid var(--chem-line);cursor:pointer;text-align:left;background:0 0;align-items:center;gap:12px;padding:0 28px;font-size:12px;font-weight:700;display:flex;position:relative}.hero-tabs button:last-child{border-right:0}.hero-tabs button span{color:#8a95a7;font:650 9px var(--font-mono)}.hero-tabs button:after{background:var(--chem-red);content:"";transform-origin:0;height:3px;transition:transform .25s;position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}.hero-tabs button.active{color:var(--chem-navy);background:#f7f9fd}.hero-tabs button.active:after{transform:scaleX(1)}.hero-panel{grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);min-height:574px;display:grid}.hero-copy{flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(66px,7vw,105px) clamp(44px,6vw,96px);display:flex}.hero-copy .kicker{color:var(--chem-navy);margin-bottom:20px}.hero-copy h1{max-width:850px;color:var(--chem-ink);margin:0;font-size:clamp(50px,5vw,82px);font-weight:540;line-height:.99}.hero-copy>p{color:#4f5d72;max-width:690px;margin:27px 0 30px;font-size:17px;line-height:1.65}.hero-actions{align-items:center;gap:24px;display:flex}.button.primary{background:var(--chem-red);border-color:var(--chem-red);color:#fff}.button.primary:hover{background:#c70000;border-color:#c70000}.button.light{color:var(--chem-navy);background:#fff;border-color:#fff}.text-button{color:var(--chem-navy);align-items:center;gap:8px;font-size:12px;font-weight:750;display:inline-flex}.text-button span{color:var(--chem-red);transition:transform .15s}.text-button:hover span{transform:translate(4px)}.text-button.light{color:#fff}.hero-copy .atlas-search.compact{width:min(100%,660px);margin-top:40px}.hero-pathway{background:var(--chem-navy);color:#fff;grid-template-rows:42% 58%;min-height:490px;margin:42px 42px 42px 0;display:grid;position:relative;overflow:hidden;box-shadow:0 24px 52px #021a702e}.hero-pathway-art{background:linear-gradient(135deg,#ffffff1a,#0000 54%),repeating-linear-gradient(90deg,#0000 0 51px,#ffffff14 52px),repeating-linear-gradient(0deg,#0000 0 51px,#ffffff14 52px),#0d2c82;position:relative;overflow:hidden}.fluid-vessel{border:2px solid #ffffffb8;border-radius:6px 6px 24px 24px;width:90px;height:115px;position:absolute;bottom:17%;left:18%;transform:rotate(-7deg)}.fluid-vessel:before{content:"";border:2px solid #ffffffb8;border-bottom:0;width:34px;height:26px;position:absolute;top:-25px;left:25px}.fluid-vessel i{background:#ea0000cc;border-radius:0 0 18px 18px;height:48%;position:absolute;bottom:5px;left:5px;right:5px}.fluid-vessel b{background:#fff;border-radius:50%;width:11px;height:11px;position:absolute;top:30px;right:-80px;box-shadow:42px 33px 0 3px #ffffffb3,86px -8px 0 -2px #ffffffa6}.signal-line{border-bottom:1px solid #ffffff59;border-left:1px solid #ffffff59;width:40%;position:absolute;top:20%;bottom:18%;right:11%;transform:skewY(-17deg)}.signal-line i{border:2px solid var(--chem-red);background:#fff;border-radius:50%;width:9px;height:9px;position:absolute}.signal-line i:first-child{bottom:-5px;left:9%}.signal-line i:nth-child(2){bottom:23%;left:38%}.signal-line i:nth-child(3){bottom:35%;left:65%}.signal-line i:nth-child(4){top:0;right:-5px}.hero-pathway-content{color:var(--chem-ink);background:#fff;padding:28px 34px 30px}.hero-pathway-content small{color:var(--chem-red);font:700 9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase}.hero-pathway-content h2{margin:7px 0 18px;font-size:24px;line-height:1.12}.hero-pathway-content ol{margin:0;padding:0;list-style:none}.hero-pathway-content li{color:#4d5a6e;border-top:1px solid #e7ebf2;grid-template-columns:23px 1fr;align-items:center;min-height:30px;font-size:11px;display:grid}.hero-pathway-content li span{color:var(--chem-navy);font:700 8px var(--font-mono)}.wiki-section{max-width:var(--max);border-inline:1px solid var(--chem-line);margin:0 auto;padding:104px clamp(24px,5vw,84px)}.wiki-section-head{grid-template-columns:minmax(0,1.4fr) minmax(300px,.6fr);align-items:end;gap:80px;margin-bottom:45px;display:grid}.wiki-section-head>div{grid-template-columns:46px 1fr;display:grid}.section-index{color:#8490a5;font:650 9px/1.4 var(--font-mono);letter-spacing:.08em;grid-row:1/3}.section-index.light{color:#9eb0db}.wiki-section-head .kicker{align-self:end;margin:0 0 11px}.wiki-section-head h2{color:var(--chem-ink);grid-column:2;margin:0;font-size:clamp(36px,3.6vw,58px);font-weight:520;line-height:1.04}.wiki-section-head>p{color:#5b687c;margin:0;font-size:14px}.decision-section{background:#fff}.decision-grid{border-top:1px solid var(--chem-line);border-left:1px solid var(--chem-line);grid-template-columns:repeat(4,1fr);display:grid}.decision-grid>a{border-right:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);background:#fff;flex-direction:column;min-height:310px;padding:28px 27px;transition:background .18s,transform .18s;display:flex}.decision-grid>a:hover{z-index:1;box-shadow:inset 0 3px var(--chem-red);background:#f5f7fc;transform:translateY(-3px)}.decision-grid>a>span,.collection-meta>span,.sample-guide-grid>a>span{color:var(--chem-navy);font:700 9px var(--font-mono)}.decision-grid h3{margin:50px 0 15px;font-size:25px;font-weight:550}.decision-grid p{color:#5b687c;margin:0;font-size:13px}.decision-grid b{color:var(--chem-navy);margin-top:auto;font-size:11px}.collections-section{border-top:1px solid var(--chem-line);background:#f6f8fc}.wiki-collection-grid{border-top:1px solid var(--chem-line);border-left:1px solid var(--chem-line);grid-template-columns:repeat(2,1fr);display:grid}.wiki-collection-grid>article{border-right:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);background:#fff;flex-direction:column;min-height:485px;padding:38px 40px;display:flex}.collection-meta{justify-content:space-between;align-items:center;display:flex}.collection-meta small{color:#758095;font:650 9px var(--font-mono);letter-spacing:.07em;text-transform:uppercase}.wiki-collection-grid h3{margin:52px 0 15px;font-size:39px;font-weight:530}.wiki-collection-grid h3 a:hover{color:var(--chem-navy)}.wiki-collection-grid p{color:#5b687c;max-width:590px;margin:0 0 18px;font-size:14px}.wiki-collection-grid>article>strong{color:var(--chem-red);font:700 9px var(--font-mono);letter-spacing:.07em;text-transform:uppercase}.wiki-collection-grid nav{border-top:1px solid #e8ecf3;grid-template-columns:1fr 1fr;margin-top:26px;display:grid}.wiki-collection-grid nav a{color:#465268;border-bottom:1px solid #e8ecf3;justify-content:space-between;align-items:center;min-height:39px;font-size:11px;display:flex}.wiki-collection-grid nav a:nth-child(odd){border-right:1px solid #e8ecf3;padding-right:18px}.wiki-collection-grid nav a:nth-child(2n){padding-left:18px}.wiki-collection-grid nav span{color:var(--chem-red)}.collection-action{color:var(--chem-navy);margin-top:auto;padding-top:24px;font-size:11px;font-weight:750}.frequent-section{border-top:1px solid var(--chem-line);background:#fff}.sample-guide-grid{border-top:1px solid var(--chem-line);border-left:1px solid var(--chem-line);grid-template-columns:repeat(3,1fr);display:grid}.sample-guide-grid>a{border-right:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);background:#fff;grid-template-columns:31px 1fr 18px;gap:12px;min-height:150px;padding:24px;display:grid}.sample-guide-grid>a:hover{box-shadow:inset 3px 0 var(--chem-red);background:#f5f7fc}.sample-guide-grid h3{margin:0 0 7px;font-size:20px;font-weight:560}.sample-guide-grid p{color:#657186;margin:0;font-size:11px}.sample-guide-grid b{color:var(--chem-red);font-size:14px;font-weight:500}.method-band{max-width:var(--max);color:#fff;background:var(--chem-navy);border-inline:1px solid var(--chem-navy);grid-template-columns:minmax(0,1.15fr) minmax(400px,.85fr);gap:90px;margin:0 auto;padding:86px clamp(24px,5vw,84px);display:grid}.method-band>div{grid-template-columns:46px 1fr;display:grid}.method-band .section-index{grid-row:1/6}.method-band h2{max-width:800px;margin:8px 0 20px;font-size:clamp(38px,3.8vw,60px);font-weight:520;line-height:1.03}.method-band p{color:#d6def3;max-width:760px;margin:0 0 30px;font-size:14px}.method-band>div>:not(.section-index){grid-column:2}.method-band>div>div{align-items:center;gap:24px;display:flex}.method-band aside{background:#ffffff14;border:1px solid #fff3;padding:32px}.method-band aside>strong{color:#fff;margin-bottom:18px;font-size:13px;display:block}.method-band ol{margin:0;padding:0;list-style:none}.method-band li{color:#d7e0f4;border-top:1px solid #ffffff29;grid-template-columns:36px 1fr;align-items:center;min-height:48px;font-size:12px;display:grid}.method-band li span{color:#fff;font:700 9px var(--font-mono)}.lab-handoff{border-top:1px solid var(--chem-line);background:#eef2fa;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:80px;display:grid}.lab-handoff>div:first-child{grid-template-columns:46px 1fr;max-width:920px;display:grid}.lab-handoff .section-index{grid-row:1/4}.lab-handoff h2{margin:7px 0 17px;font-size:clamp(38px,4vw,62px);font-weight:520;line-height:1.03}.lab-handoff p{color:#58657a;max-width:760px;margin:0;font-size:14px}.lab-handoff>div:first-child>:not(.section-index){grid-column:2}.handoff-actions{flex-direction:column;align-items:flex-start;gap:18px;display:flex}.wiki-footer{max-width:var(--max);color:#d7e0f4;background:var(--chem-navy-dark);border-inline:1px solid var(--chem-navy-dark);grid-template-columns:minmax(310px,1.5fr) repeat(3,minmax(140px,.65fr)) minmax(170px,.65fr);gap:48px;margin:0 auto;padding:68px clamp(24px,5vw,84px) 22px;display:grid}.footer-intro{max-width:390px}.wiki-footer .wiki-brand{color:#fff;width:auto;min-width:0}.wiki-footer .wiki-brand strong{color:#fff}.wiki-footer .wiki-brand small{color:#aebada}.wiki-footer .wiki-mark{border-left-color:#ffffff2e}.wiki-footer .wiki-mark i{background:#fff}.footer-intro>p{color:#aebada;margin:25px 0;font-size:12px}.footer-lab-link{color:#fff;font-size:11px;font-weight:750}.footer-lab-link span{color:var(--chem-red)}.wiki-footer>nav{flex-direction:column;gap:10px;display:flex}.wiki-footer>nav strong{color:#fff;font:700 9px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}.wiki-footer>nav a{color:#aebada;font-size:11px}.wiki-footer>nav a:hover{color:#fff}.footer-endorsement{border-left:1px solid #ffffff26;padding-left:24px}.footer-endorsement>span{color:#8596c2;font:600 8px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px;display:block}.footer-endorsement>a{color:#fff;flex-direction:column;display:flex}.footer-endorsement>a strong{letter-spacing:.1em;font-size:16px}.footer-endorsement>a small{color:var(--chem-red);font:750 8px var(--font-mono);letter-spacing:.16em}.footer-endorsement p{color:#8596c2;font-size:9px}.footer-legal{color:#7f90bb;border-top:1px solid #ffffff21;grid-column:1/-1;justify-content:space-between;align-items:center;gap:24px;padding-top:19px;font-size:9px;display:flex}.breadcrumbs,.library-hero,.article-hero,.product-hero,.pillar-hero,.pathway-hero,.procedure-hero{max-width:var(--max);border-inline:1px solid var(--chem-line)}.library-hero{background:#f1f4fa}.library-hero .kicker,.article-hero .kicker{color:var(--chem-red)}.library-hero h1{color:var(--chem-ink);font-weight:520}.section,.article-layout,.product-article,.related-section,.technical-article,.policy-article{max-width:var(--max);border-inline:1px solid var(--chem-line)}.article-hero,.product-hero{background:var(--chem-navy)}.product-anchor-nav{border-color:var(--chem-line);background:#fff;box-shadow:0 6px 18px #021a700d}.product-anchor-nav a:hover{color:var(--chem-navy);border-color:var(--chem-red)}.article-toc{border-top:3px solid var(--chem-red)}.article-toc a:hover,.article-body a,.technical-article a,.product-article a{color:var(--chem-navy)}.entity-card:hover{box-shadow:inset 0 3px var(--chem-red)}.callout{border-left-color:var(--chem-navy)}.callout.warning,.callout.critical{border-left-color:var(--chem-red)}.technical-table th,.guidance-strip,.condition-monitoring-bridge{background:var(--chem-navy)}.site-footer{display:none}.wiki-visual{border:1px solid var(--chem-line);background:#eef2f8;margin:0;overflow:hidden}.wiki-visual picture{background:#e9edf5;min-width:0;display:block;overflow:hidden}.wiki-visual img{object-fit:cover;width:100%;height:100%;transition:transform .45s;display:block}.wiki-visual figcaption{color:#526077;border-top:1px solid var(--chem-line);background:#fff;grid-template-columns:minmax(105px,.24fr) 1fr;align-items:start;gap:22px;padding:18px 22px;display:grid}.wiki-visual figcaption span{color:var(--chem-red);font:750 8px var(--font-mono);letter-spacing:.1em;text-transform:uppercase;padding-top:2px}.wiki-visual figcaption p{color:#526077;max-width:860px;margin:0;font-size:11px;line-height:1.65}.collection-visual{border-inline:0;margin:24px -1px 0}.collection-visual picture{aspect-ratio:16/8.8}.collection-visual figcaption{border-top:0;grid-template-columns:1fr;gap:5px;padding:13px 0 0}.collection-visual figcaption p{font-size:10px}.wiki-collection-grid>article:hover .collection-visual img{transform:scale(1.025)}.product-visual-band,.article-visual-band,.sampling-visual-band{max-width:var(--max);border-top:0;grid-template-columns:minmax(0,1.45fr) minmax(310px,.55fr);margin:0 auto;display:grid}.product-visual-band picture,.article-visual-band picture,.sampling-visual-band picture{aspect-ratio:2.3}.product-visual-band figcaption,.article-visual-band figcaption,.sampling-visual-band figcaption{border-top:0;border-left:1px solid var(--chem-line);flex-direction:column;justify-content:flex-end;gap:13px;padding:clamp(28px,4vw,54px);display:flex}.product-visual-band figcaption p,.article-visual-band figcaption p,.sampling-visual-band figcaption p{color:#3f4e65;font-size:13px;line-height:1.7}.article-visual-band{border-bottom:0}.sampling-visual-band{margin-bottom:0}.technical-article-visual{border-inline:0;border-top:0;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);margin:0;display:grid}.technical-article-visual picture{aspect-ratio:2.15}.technical-article-visual figcaption{border-top:0;border-left:1px solid var(--chem-line);flex-direction:column;justify-content:flex-end;gap:10px;padding:30px;display:flex}.sampling-lifecycle-grid{border-top:1px solid var(--chem-line);border-left:1px solid var(--chem-line);grid-template-columns:repeat(3,minmax(0,1fr));margin:36px 0 0;padding:0;list-style:none;display:grid}.sampling-lifecycle-grid li{border-right:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);grid-template-columns:38px 1fr;gap:13px;min-height:180px;padding:27px;display:grid}.sampling-lifecycle-grid li>span{color:var(--chem-red);font:750 9px var(--font-mono)}.sampling-lifecycle-grid strong{color:var(--chem-ink);font-size:18px;font-weight:600}.sampling-lifecycle-grid p{color:#5c687c;margin:9px 0 0;font-size:11px;line-height:1.7}.sampling-source-note{border-left:3px solid var(--chem-navy);background:#eef2fa;margin-top:34px;padding:27px 30px}.sampling-source-note>strong{color:var(--chem-navy);font-size:13px}.sampling-source-note>p{color:#566176;max-width:920px;font-size:11px}.sampling-source-note>div{flex-wrap:wrap;gap:12px 24px;display:flex}.sampling-source-note a{color:var(--chem-navy);font-size:10px;font-weight:700}.research-source-section{background:#f5f7fb}.research-source-grid{border-top:1px solid var(--chem-line);border-left:1px solid var(--chem-line);grid-template-columns:1fr 1fr;margin-top:36px;display:grid}.research-source-grid>a{min-height:176px;color:var(--chem-ink);border-right:1px solid var(--chem-line);border-bottom:1px solid var(--chem-line);background:#fff;grid-template-rows:1fr auto;grid-template-columns:38px 1fr;gap:10px 14px;padding:28px;display:grid}.research-source-grid>a:hover{box-shadow:inset 3px 0 var(--chem-red);background:#eef2fa}.research-source-grid>a>span{color:var(--chem-red);font:750 9px var(--font-mono)}.research-source-grid strong{font-size:16px;font-weight:600}.research-source-grid p{color:#5a667a;margin:8px 0 0;font-size:11px;line-height:1.65}.research-source-grid b{color:var(--chem-navy);grid-column:2;font-size:10px}@media (width<=1240px){.wiki-header{gap:16px}.wiki-brand{width:225px;min-width:225px}.wiki-desktop-nav{display:none}.header-search-link{margin-left:auto}.wiki-header .menu-button{margin:auto 0;display:flex}.wiki-mobile-nav{visibility:hidden;opacity:0;border-bottom:1px solid var(--chem-line);background:#fff;max-height:calc(100vh - 120px);padding:20px clamp(24px,4vw,72px) 34px;transition:all .16s;display:block;position:absolute;top:100%;left:0;right:0;overflow-y:auto;transform:translateY(-8px);box-shadow:0 24px 46px #04164f26}.wiki-mobile-nav.open{visibility:visible;opacity:1;transform:translateY(0)}.mobile-search a{min-height:48px;color:var(--chem-navy);background:#f3f5fa;justify-content:space-between;align-items:center;padding:0 16px;font-size:12px;font-weight:700;display:flex}.wiki-mobile-nav>section{border-bottom:1px solid var(--chem-line)}.wiki-mobile-nav>section>div:first-child{grid-template-columns:1fr 45px;align-items:center;min-height:53px;display:grid}.wiki-mobile-nav>section>div:first-child>a{font-size:14px;font-weight:700}.wiki-mobile-nav>section button{height:45px;color:var(--chem-navy);background:0 0;border:0;font-size:23px}.wiki-mobile-nav .mobile-subnav{grid-template-columns:1fr 1fr;gap:0 24px;padding:0 0 18px;display:none}.wiki-mobile-nav .mobile-subnav.open{display:grid}.wiki-mobile-nav .mobile-subnav a{color:#556176;border-bottom:1px solid #edf0f5;min-height:38px;padding:8px 0;font-size:11px}.wiki-mobile-nav>.wiki-header-cta{margin-top:24px}.hero-panel{grid-template-columns:1fr minmax(390px,.72fr)}.hero-copy{padding-inline:48px}.hero-pathway{margin-right:28px}.decision-grid{grid-template-columns:1fr 1fr}.wiki-footer{grid-template-columns:1.2fr repeat(3,.65fr)}.footer-endorsement{border-top:1px solid #ffffff26;border-left:0;grid-column:1/-1;padding:24px 0 0}}@media (width<=900px){.wiki-utility>span{display:none}.wiki-utility{justify-content:flex-end}.wiki-utility nav{justify-content:space-between;width:100%}.wiki-home-hero{min-height:auto}.hero-tabs{min-height:62px}.hero-tabs button{justify-content:center;padding:0 15px}.hero-tabs button span{display:none}.hero-panel{grid-template-columns:1fr}.hero-copy{padding:62px 34px 45px}.hero-copy h1{font-size:clamp(44px,9vw,68px)}.hero-pathway{grid-template-rows:230px auto;margin:0 34px 42px}.wiki-section{padding:76px 34px}.wiki-section-head{grid-template-columns:1fr;gap:24px}.wiki-collection-grid{grid-template-columns:1fr}.sample-guide-grid{grid-template-columns:1fr 1fr}.method-band{grid-template-columns:1fr;gap:48px;padding:72px 34px}.lab-handoff{grid-template-columns:1fr;gap:38px}.wiki-footer{grid-template-columns:1fr 1fr;padding-inline:34px}.footer-intro{grid-column:1/-1;max-width:560px}.footer-endorsement{grid-column:1/-1}.product-visual-band,.article-visual-band,.sampling-visual-band{grid-template-columns:1fr}.product-visual-band picture,.article-visual-band picture,.sampling-visual-band picture{aspect-ratio:16/8.7}.product-visual-band figcaption,.article-visual-band figcaption,.sampling-visual-band figcaption{border-top:1px solid var(--chem-line);border-left:0;padding:23px 34px}.technical-article-visual{grid-template-columns:1fr}.technical-article-visual picture{aspect-ratio:16/8.7}.technical-article-visual figcaption{border-top:1px solid var(--chem-line);border-left:0}.sampling-lifecycle-grid{grid-template-columns:1fr 1fr}.research-source-grid{grid-template-columns:1fr}}@media (width<=640px){.wiki-utility{min-height:30px;padding-inline:18px}.wiki-utility nav{justify-content:flex-end;gap:18px}.wiki-utility nav a:not(:last-child){display:none}.wiki-header{gap:9px;min-height:72px;padding:0 18px}.wiki-brand{width:auto;min-width:0}.wiki-brand strong,.wiki-brand>span>b{font-size:10px}.wiki-brand small{font-size:7px}.wiki-mark{flex-basis:31px;grid-template-columns:5px 5px 5px;gap:3px;width:31px;height:36px}.wiki-mark i:first-child{height:13px}.wiki-mark i:nth-child(2){height:25px}.wiki-mark i:nth-child(3){height:18px}.header-search-link{border:0;margin-left:auto;padding-inline:8px}.header-search-link span,.wiki-header>.wiki-header-cta{display:none}.wiki-header .menu-button{width:42px;min-width:42px}.wiki-mobile-nav{max-height:calc(100vh - 102px);padding-inline:18px}.wiki-mobile-nav .mobile-subnav{grid-template-columns:1fr}.hero-tabs{grid-template-columns:repeat(4,minmax(0,1fr));overflow:hidden}.hero-tabs button{text-align:center;white-space:normal;justify-content:center;min-width:0;padding:6px 4px;font-size:9px;line-height:1.25}.hero-copy{padding:50px 22px 38px}.hero-copy h1{font-size:46px}.hero-copy>p{margin-block:22px 25px;font-size:15px}.hero-actions{flex-direction:column;align-items:flex-start;gap:17px;width:100%}.hero-copy .atlas-search.compact{margin-top:28px}.hero-pathway{grid-template-rows:190px auto;margin:0 22px 28px}.hero-pathway-content{padding:24px}.wiki-section{padding:64px 22px}.wiki-section-head>div{grid-template-columns:31px 1fr}.wiki-section-head h2{font-size:38px}.decision-grid{grid-template-columns:1fr}.decision-grid>a{min-height:250px}.wiki-collection-grid>article{min-height:450px;padding:29px 25px}.wiki-collection-grid h3{margin-top:38px;font-size:34px}.sample-guide-grid{grid-template-columns:1fr}.method-band{padding:64px 22px}.method-band>div{grid-template-columns:31px 1fr}.method-band h2{font-size:40px}.method-band>div>div{flex-direction:column;align-items:flex-start}.method-band aside{padding:25px}.lab-handoff>div:first-child{grid-template-columns:31px 1fr}.lab-handoff h2{font-size:41px}.wiki-footer{grid-template-columns:1fr 1fr;gap:38px 26px;padding:54px 22px 20px}.footer-intro,.footer-endorsement,.footer-legal{grid-column:1/-1}.footer-legal{flex-direction:column;align-items:flex-start}.product-hero h1{font-size:48px}.wiki-visual figcaption{grid-template-columns:1fr;gap:7px;padding:17px 20px}.collection-visual{margin-top:20px}.collection-visual figcaption{padding:12px 0 0}.product-visual-band figcaption,.article-visual-band figcaption,.sampling-visual-band figcaption,.technical-article-visual figcaption{padding:20px 22px}.sampling-lifecycle-grid{grid-template-columns:1fr}.sampling-lifecycle-grid li{min-height:0;padding:23px 20px}}@media print{.wiki-utility,.wiki-header,.wiki-footer,.hero-tabs,.hero-pathway{display:none!important}}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
