@charset "UTF-8";
:root{--ink:#151763;--body:#50566b;--green:#202396;--mint:#edf0fb;--paper:#f8f9fc;--line:#dce0ed;--gold:#b57437;--white:#fff;--radius:14px;font-family:Inter,"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:hover{color:#353ac0}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b57437;outline-offset:5px}::selection{background:#dde2ff}p{line-height:1.75;color:var(--body)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.04em}h1{font-size:clamp(42px,4.8vw,68px);line-height:1.08;margin-bottom:24px}h2{font-size:38px;line-height:1.16;margin-bottom:16px}h3{font-size:20px;letter-spacing:-.025em;line-height:1.4}svg{display:block;max-width:100%}.wrap{max-width:1248px;padding:0 40px;margin:auto}.skip{position:fixed;left:20px;top:-80px;z-index:9;padding:12px;background:white}.skip:focus{top:12px}
.header{background:var(--paper);border-bottom:1px solid var(--line)}.masthead{min-height:93px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:flex;align-items:center;gap:13px}.brand svg{width:43px;height:43px}.brand strong{font-weight:650;font-size:23px;letter-spacing:-1px;display:block}.brand small{display:block;font-size:10px;text-transform:uppercase;letter-spacing:2px;margin-top:5px;color:var(--body)}.header-note{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--body)}.dot{width:6px;height:6px;border-radius:50%;background:#7077d6;display:inline-block}.nav{display:flex;gap:31px}.nav a{font-size:12px;font-weight:600;white-space:nowrap;text-decoration:none;padding:18px 0 19px;border-bottom:2px solid transparent}.nav a[aria-current=page]{border-color:var(--green);color:var(--green)}.nav a:hover{border-color:#a6add3}.menu-toggle{display:none;border:1px solid var(--line);border-radius:6px;background:none;padding:10px 14px}.eyebrow{text-transform:uppercase;font-size:10px;letter-spacing:2px;font-weight:650;color:var(--green);margin-bottom:22px;display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";height:1px;width:24px;background:currentColor}.hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding-top:68px;padding-bottom:66px}.hero h1 em{font-weight:400;color:#5259a9}.hero .intro{font-size:16px;max-width:460px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 21px;font-size:12px;font-weight:600;text-decoration:none;background:var(--green);color:white;border:1px solid var(--green);border-radius:5px;min-height:46px}.button:hover{background:#151763;color:white}.button.secondary{background:transparent;color:var(--ink);border-color:#c8cde0}.button.secondary:hover{background:var(--mint)}.arrow{font-size:19px;line-height:1}.quiet-note{font-size:11px;margin:21px 0 0;color:#626983;display:flex;gap:8px;align-items:center}.hero-figure{position:relative;background:#edf0fa;padding:25px 25px 21px;border-radius:18px;overflow:hidden;border:1px solid #dfe4f2}.figure-top{display:flex;align-items:center;justify-content:space-between;font-size:10px;text-transform:uppercase;letter-spacing:1.7px;font-weight:650;margin-bottom:24px}.figure-top span:last-child{font-size:9px;letter-spacing:1px;color:#626c86}.chart-card{background:#fcfcff;border:1px solid #d5daeb;border-radius:8px;padding:18px 12px 9px;box-shadow:0 8px 25px #20239608}.chart-caption{font-size:10px;display:flex;justify-content:space-between;gap:10px;padding:0 9px 10px;color:#596380}.chart-legend{display:flex;gap:15px;font-size:9px}.chart-legend i{display:inline-block;width:12px;height:2px;background:var(--green);vertical-align:middle;margin-right:5px}.chart-legend span:last-child i{background:var(--gold)}.figure-bottom{display:flex;justify-content:space-between;font-size:10px;margin-top:18px;color:#596380}.figure-bottom strong{font-weight:500;color:var(--green)}.principles{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(3,1fr);padding:24px 0;gap:25px}.principle{display:flex;align-items:center;gap:13px;font-size:12px}.principle svg{width:22px;height:22px;flex-shrink:0}.principle small{display:block;color:var(--body);font-size:11px;margin-top:4px}.section{padding-top:57px;padding-bottom:57px}.section-top{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:28px}.section-top h2{margin:0}.section-top p{margin:0;font-size:13px;max-width:360px}.section-top .eyebrow{margin-bottom:13px}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}.tool-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.tool-art{height:176px;background:#eef1fa;padding:22px 34px;border-bottom:1px solid var(--line);overflow:hidden}.tool-art.sand{background:#f1f3f9}.tool-art svg{width:100%;height:100%}.tool-copy{padding:26px 30px;flex:1;display:flex;flex-direction:column}.tool-copy h3{margin:15px 0 10px;font-size:24px;font-weight:500}.tool-copy p{font-size:13px;max-width:450px;margin-bottom:22px}.tag{font-size:9px;letter-spacing:1.1px;text-transform:uppercase;font-weight:600}.tag span{color:#6c7385;margin-left:10px;font-weight:400}.text-link{display:inline-flex;gap:13px;align-items:center;font-size:12px;font-weight:650;text-decoration:none;align-self:start;margin-top:auto}.text-link:hover{text-decoration:underline}.learning-band{border-radius:var(--radius);padding:35px 39px;background:var(--mint);display:grid;grid-template-columns:60px 1fr auto;gap:24px;align-items:center;margin-bottom:58px}.learning-band h2{font-size:29px;margin:0 0 8px}.learning-band p{font-size:13px;margin:0;max-width:590px}.book-icon{width:45px;height:45px}.footer{border-top:1px solid var(--line);padding:34px 0 23px}.footer-top{display:flex;justify-content:space-between;gap:30px}.footer-brand{font-size:16px;font-weight:600;letter-spacing:-.5px}.footer p{font-size:11px;max-width:390px;margin-top:9px}.footer-links{display:flex;gap:26px;font-size:11px;padding-top:4px}.footer-links a{text-decoration:none}.footer-bottom{border-top:1px solid var(--line);margin-top:20px;padding-top:20px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:#646d80}.footer-bottom a{text-decoration:none}
.page-heading{padding:55px 0 35px;max-width:790px}.page-heading h1{font-size:52px;margin-bottom:18px}.page-heading p{font-size:16px;max-width:670px}.page-heading .eyebrow{margin-bottom:18px}.notice{border:1px solid #d6daea;border-radius:8px;background:#eef1fc;padding:17px 22px;display:flex;gap:13px;align-items:start;margin-bottom:28px;font-size:13px;line-height:1.7}.notice svg{flex-shrink:0;margin-top:3px}.notice p{margin:0}.notice strong{color:var(--ink)}.split{display:grid;grid-template-columns:1.35fr 1fr;gap:35px;align-items:start;margin-bottom:50px}.panel{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:29px}.panel h2{font-size:28px}.panel p,.panel li{font-size:13px;color:var(--body);line-height:1.8}.panel ul{padding-left:20px}.panel li{margin-bottom:9px}.large-art{background:#edf1fa;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:20px}.large-art svg{width:100%}.art-label{font-size:10px;text-align:center;margin:15px 0 0;letter-spacing:.2px;color:#596582}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin:25px 0 45px}.step{border-top:1px solid var(--line);padding-top:22px}.step-number{color:#7d86ab;font-family:Georgia,serif;font-size:30px;display:block;margin-bottom:15px}.step h3{font-size:16px;margin-bottom:10px}.step p{font-size:13px}.subheading{font-size:30px;margin-top:40px}.resource-tools{display:flex;justify-content:space-between;gap:18px;margin-bottom:22px;align-items:center;flex-wrap:wrap}.filters{display:flex;gap:5px;flex-wrap:wrap}.filter{border:1px solid transparent;background:none;padding:10px 15px;border-radius:5px;color:var(--body);font-size:12px;min-height:42px}.filter[aria-pressed=true]{background:var(--green);color:white}.search{border:1px solid #ccd1e1;background:white;border-radius:5px;min-height:43px;padding:10px 15px;width:270px;max-width:100%}.resource-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:20px}.resource-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:25px;display:flex;flex-direction:column}.resource-card .tag{color:#565e8b;margin-bottom:17px}.resource-card h2{font-family:inherit;letter-spacing:-.4px;font-size:20px;font-weight:500;margin-bottom:10px}.resource-card p{font-size:13px;margin:0 0 12px}.resource-meta{font-size:11px;color:#626c82;display:block;margin-bottom:21px}.resource-card a{padding-top:16px;border-top:1px solid var(--line);width:100%;justify-content:space-between;margin-top:auto}.resource-count{font-size:11px;color:var(--body);margin:14px 0 25px}.empty{padding:35px;border:1px dashed var(--line);border-radius:10px;grid-column:1/-1}.download-list{list-style:none;padding:0!important;margin:15px 0 0}.download-list li{margin:0;border-top:1px solid var(--line)}.download-list a{display:flex;justify-content:space-between;gap:20px;padding:15px 0;text-decoration:none;font-size:12px}.download-list small{white-space:nowrap;color:#636c80}.details{border-top:1px solid var(--line);padding:20px 0}.details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-size:14px;font-weight:600;padding:4px 0}.details p{font-size:13px;margin:14px 0 0}.content-bottom{padding-bottom:55px}.people{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0}.person{border-top:1px solid var(--line);padding-top:23px}.person h3{margin-bottom:5px;font-size:17px}.person p{font-size:12px;margin-bottom:10px}.support{font-size:12px;padding:24px;background:#edf0fa;border-radius:8px;margin-top:30px;line-height:1.8;color:var(--body)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:45px}.contact-card{padding:32px;background:white;border:1px solid var(--line);border-radius:12px}.initials{width:48px;height:48px;display:grid;place-items:center;background:var(--mint);border-radius:50%;font-family:Georgia,serif;font-size:18px;margin-bottom:23px}.contact-card h2{font-size:30px}.contact-card p{font-size:13px}.email{font-size:14px}.preview-badge{display:inline-flex;align-items:center;gap:7px;color:#596182;background:#eff2fb;border:1px solid #d7ddef;padding:6px 9px;border-radius:4px;font-size:10px;letter-spacing:.3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}
@media(min-width:1500px){.hero{padding-top:85px;padding-bottom:80px}}
@media(max-width:1050px){.nav{gap:22px}.nav a{font-size:11px}.hero{gap:28px}.wrap{padding:0 28px}.hero h1{font-size:53px}.hero-figure{padding:20px}.learning-band{padding:30px;grid-template-columns:45px 1fr}.learning-band>.button{grid-column:2;justify-self:start}.hero .intro{font-size:14px}.section-top p{max-width:300px}}
@media(max-width:780px){.wrap{padding:0 22px}.masthead{min-height:80px}.header-note{display:none}.menu-toggle{display:block}.nav{display:none;padding:5px 0 15px;gap:0;grid-template-columns:1fr 1fr}.nav.open{display:grid}.nav a{padding:13px 9px;white-space:normal;font-size:12px}.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:35px;gap:35px}.hero h1{font-size:clamp(43px,8vw,61px);max-width:550px}.hero .intro{font-size:15px;max-width:530px}.hero-figure{max-width:580px;width:100%}.principles{gap:15px;padding:22px 0}.principle{align-items:start;gap:8px;font-size:11px}.principle small{font-size:10px;line-height:1.5}.principle svg{width:18px}.section{padding:38px 0}.section-top{align-items:start;flex-direction:column;gap:14px}.section-top p{max-width:100%}h2{font-size:33px}.tool-art{padding:20px;height:145px}.tool-copy{padding:23px}.tool-copy h3{font-size:21px}.tag span{display:block;margin:5px 0 0}.learning-band{margin-bottom:38px}.footer-top{flex-direction:column;gap:10px}.footer-bottom{flex-direction:column;gap:10px}.page-heading{padding-top:36px}.page-heading h1{font-size:43px}.split{grid-template-columns:1fr;gap:20px}.steps{gap:20px}.people{grid-template-columns:1fr}.resource-tools{align-items:stretch}.search{width:100%}.contact-card{padding:23px}.email{font-size:12px}}
@media(max-width:520px){.brand strong{font-size:21px}.brand small{font-size:8px;letter-spacing:1.7px}.brand svg{width:35px}.masthead{gap:10px}.menu-toggle{font-size:11px;padding:10px}.tool-grid,.resource-grid,.contact-grid,.steps{grid-template-columns:1fr}.principles{grid-template-columns:1fr;gap:17px}.principle{align-items:center;font-size:12px;gap:13px}.principle small{display:inline;margin-left:8px;font-size:11px}.principle svg{width:21px}.hero-figure{padding:17px 12px}.figure-top{padding:0 6px;font-size:9px}.figure-top span:last-child{font-size:8px}.hero .actions{gap:9px}.button{padding:13px 16px;gap:15px}.learning-band{grid-template-columns:1fr;padding:26px;gap:16px}.learning-band>.button{grid-column:1}.book-icon{width:34px;height:34px}.footer-links{gap:22px;flex-wrap:wrap}.panel{padding:23px}.page-heading h1{font-size:39px}.steps{gap:10px}.step{padding-top:18px}.step-number{margin-bottom:7px}.large-art{padding:15px}.filters{gap:0}.filter{padding:10px 12px}.resource-card{padding:22px}.section-top h2{font-size:31px}}
.hero>*,.split>*,.resource-grid>*,.contact-grid>*{min-width:0}
@media(max-width:780px){.resource-tools>label{width:100%}}
@media(max-width:380px){.wrap{padding:0 18px}.brand{gap:9px}.brand strong{font-size:19px}.brand small{font-size:6px;letter-spacing:1.2px}.brand svg{width:31px}.hero h1{font-size:35px}.eyebrow{font-size:9px;letter-spacing:1.4px}.figure-top{gap:8px;flex-wrap:wrap}.figure-bottom{gap:12px;font-size:9px}.chart-caption{font-size:9px}.hero-figure{padding:17px 9px}.page-heading h1{font-size:35px}.footer-links{gap:15px}}
@media(prefers-reduced-motion:no-preference){a,button{transition:background .15s,color .15s,border-color .15s}.tool-card{transition:transform .2s,box-shadow .2s}.tool-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #15176308}}

/* Original site identity: indigo masthead (#151763), royal blue (#202396), white navigation. */
.header{background:#151763;border-top:6px solid #202396}
.masthead{color:#fff}
.brand:hover{color:#fff}
.brand small,.header-note{color:#cbd0f2}
.header-note .dot{background:#a7b3ff}
.nav-band{background:#fff;color:var(--ink)}
.menu-toggle{color:#fff;border-color:#6568a0}
.menu-toggle:hover{background:#292c80}
.brand{min-width:0}.brand>span{min-width:0}.brand svg,.menu-toggle{flex-shrink:0}
.brand small{font-size:13px;letter-spacing:.2px;text-transform:none;white-space:normal;line-height:1.4}
@media(max-width:520px){.masthead{gap:12px}.brand small{font-size:11px;letter-spacing:0;max-width:230px}}

#contact-form label{display:block;font-size:16px;font-weight:600;margin:18px 0 7px}#contact-form input,#contact-form textarea{display:block;width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1px solid #aab3ce;border-radius:5px;background:white;color:var(--ink)}#contact-form textarea{resize:vertical;min-height:160px}#contact-form textarea:focus-visible{outline:3px solid #b57437;outline-offset:3px}#contact-form .button{font:inherit;border:0;margin-top:8px}#contact-form .button:disabled{opacity:.65;cursor:wait}#contact-form .contact-note,#contact-status{font-size:15px;margin:15px 0 0}#contact-status[data-error=true]{color:#9b2929}.contact-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}

.funding-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.funding-card{padding:25px;background:white;border:1px solid var(--line);border-radius:10px}.funding-logo{display:flex;align-items:center;height:100px;margin-bottom:20px;width:fit-content;max-width:100%}.funding-logo img{display:block;object-fit:contain;object-position:left center;max-width:100%;height:83px}.funding-card h3{font-size:18px;margin-bottom:9px}.funding-card p{font-size:14px;margin:0;overflow-wrap:anywhere}@media(max-width:780px){.funding-grid{grid-template-columns:1fr}}

/* Actual gradient chromatogram from the simulator. */
.hero-figure.simulator-preview{margin:0;padding:18px 8px;background:#fff;border:1px solid #d5daeb;border-radius:10px;box-shadow:0 8px 28px #20239608}
.preview-image-link{display:block}.preview-image-link img{display:block;width:100%;height:auto}.preview-image-link:focus-visible{outline:3px solid #202396;outline-offset:2px}