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@media(max-width:1200px){.pathway-content{padding:24px 19px}.pathway p{font-size:.83rem}.pathway{min-height:420px}.pathway-cta{font-size:.59rem;gap:7px}.topic-panel{gap:30px;grid-template-columns:220px 1fr}.library-heading h2{font-size:3rem}.navigation{gap:13px}nav{gap:14px}nav a{font-size:.73rem}}
@media(max-width:1000px){.pathway-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.pathway{min-height:375px}.pathway h3{font-size:2.65rem}.pathway p{font-size:.92rem;max-width:260px}.pathway-content{padding:29px}.pathway-cta{font-size:.65rem}.pathways-heading>p{display:none}.topic-track{grid-auto-columns:170px}.topic-track.show-all{grid-template-columns:repeat(3,minmax(0,1fr))}.topic-panel-art{min-height:320px}.library-heading{align-items:start}.library-heading h2{font-size:2.7rem}.library-actions{padding-top:8px}.library-heading h2+p{font-size:.84rem}}
@media(max-width:680px){.pathways-section{padding:38px 0 24px}.pathways-heading{margin:0 9px 23px}.pathways-heading h2{font-size:2.45rem}.pathway{min-height:350px}.pathway-content{padding:22px 20px}.pathway h3{font-size:2.1rem}.pathway-number{font-size:1.15rem}.pathway-rule{margin:17px 0 20px;width:35px}.pathway p{font-size:.81rem;line-height:1.6}.pathway-cta{font-size:.57rem;line-height:1.5;padding-top:22px;gap:8px}.topic-library{padding:43px 0 30px}.library-heading{display:block;margin-bottom:20px}.library-heading h2{font-size:2.65rem}.library-heading h2+p{line-height:1.65;margin-top:14px;max-width:340px}.library-actions{flex-direction:row;justify-content:space-between;align-items:center;width:100%;margin-top:18px;gap:15px}.gallery-controls button{min-width:40px;min-height:40px}.topic-track{grid-auto-columns:154px;gap:10px;padding-bottom:12px}.topic-card{height:245px}.topic-track.show-all{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-track.show-all .topic-card{height:230px}.topic-card-label{font-size:.8rem;padding:16px 12px}.gallery-hint{font-size:.61rem;line-height:1.6;margin-bottom:23px}.gallery-hint span{padding:0 3px}.topic-panel{grid-template-columns:1fr;gap:22px}.topic-panel-art{min-height:180px;max-height:220px}.topic-panel-art img{object-position:center 42%}.topic-panel:first-child .topic-panel-art img{object-position:80% center;padding:0 35px;object-fit:contain}.topic-panel-art>span{font-size:1.5rem;max-width:170px;bottom:18px}.topic-panel-copy h3{font-size:1.9rem}.topic-panel-copy>p:not(.eyebrow){font-size:.83rem}.topic-panel-copy ul{font-size:.77rem;line-height:1.8}.topic-discuss{font-size:.73rem}.library-footnote{flex-direction:column;gap:12px;font-size:.64rem}.topic-panel-copy>.eyebrow{font-size:.57rem}.all-topics{font-size:.6rem}}
@media(max-width:390px){.pathway-grid{gap:8px}.pathway-content{padding:21px 13px}.pathway h3{font-size:1.78rem}.pathway p{font-size:.77rem}.pathway-cta{font-size:.52rem}.pathway-rule{margin-bottom:18px}.pathway{min-height:355px}}
@media(prefers-reduced-motion:reduce){.pathway img,.topic-card,.topic-card img{transition:none}.pathway:hover img,.topic-card:hover img{transform:none}.topic-card:hover{transform:none}}
@media(min-width:1100px){.pathway{aspect-ratio:1.13;min-height:0}.pathway-content{padding:clamp(20px,2vw,30px)}.pathway-number{font-size:1.2rem}.pathway h3{font-size:clamp(1.6rem,2.4vw,2.65rem)}.pathway-rule{margin:17px 0 20px}.pathway p{font-size:clamp(.78rem,.95vw,.94rem);line-height:1.55;max-width:80%}.pathway-cta{padding-top:22px;font-size:.6rem}}
.pathway-export .pathways-section{padding:0}.pathway-export .pathways-section .wrap{width:100%;max-width:none}.pathway-export .pathways-heading{display:none}.pathway-export .pathway-grid{gap:5px}

/* Finished topic artwork matching the supplied library reference. */
.topic-art-ready .topic-track{grid-auto-columns:clamp(145px,9vw,170px)}
.topic-art-ready .topic-card{height:auto;aspect-ratio:0.56}
.topic-art-ready .topic-card img{object-fit:cover;padding:0;filter:none}
.topic-art-ready .topic-card-shade,.topic-art-ready .topic-card-number{display:none}
.topic-art-ready .topic-card-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.topic-art-ready .topic-track.show-all{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:1000px){.topic-art-ready .topic-track.show-all{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:680px){.topic-art-ready .topic-track{grid-auto-columns:154px}.topic-art-ready .topic-track.show-all{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-art-ready .topic-track.show-all .topic-card{height:auto;aspect-ratio:0.56}}

.topic-art-ready .library-heading h2 span{color:inherit}

/* Approved final artwork: display the complete image without cropping or duplicate text. */
.final-pathways .pathway{display:block;min-height:0;height:auto;aspect-ratio:auto;background:#faf7f1}
.final-pathways .pathway>img{display:block;position:static;inset:auto;width:100%;height:auto;object-fit:contain;object-position:center;z-index:auto;transition:none;transform:none}
.final-pathways .pathway:hover>img{transform:none}
.final-pathways .pathway-shade{display:none}
.final-pathways .pathway-content{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.final-pathways .pathway:focus-visible{outline:3px solid #a67b3d;outline-offset:4px}
@media(max-width:600px){.final-pathways{grid-template-columns:minmax(0,1fr);gap:14px}}

/* Why Codon? replaces the former large brand-artwork banner. */
.why-codon{background:#f4efe5;padding:80px 0 40px;color:#24281e}
.why-codon-grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);align-items:center;gap:65px}
.why-codon-copy>.eyebrow{color:#8d713f;font-size:.66rem;letter-spacing:.2em;margin-bottom:15px}
.why-codon-copy h2{font-size:clamp(3.9rem,6vw,6rem);line-height:1;letter-spacing:-.055em}
.why-codon-copy .why-subtitle{font-family:Georgia,serif;font-size:clamp(1.55rem,2vw,2.05rem);line-height:1.25;color:#5c513f;margin:23px 0 26px;letter-spacing:-.02em}
.why-codon-copy>p:not(.eyebrow):not(.why-subtitle){font-size:.94rem;line-height:1.8;color:#625d50;max-width:520px;margin:0 0 16px}
.why-codon-copy strong{font-weight:600;color:#3d402f}
.why-community{display:inline-flex;align-items:center;gap:28px;border-bottom:1px solid #b19868;padding-bottom:5px;margin-top:10px;color:#695331;text-decoration:none;font-size:.83rem;font-weight:600}
.why-community span{font-size:1.3rem;font-weight:400}
.codon-science{margin:0;min-width:0}.codon-science picture{display:block}.codon-science img{display:block;width:100%;height:auto}.codon-science figcaption{font-size:.62rem;color:#8a7d66;margin:12px 0 0;text-align:center;letter-spacing:.025em}
.why-codon-footer{display:flex;justify-content:space-between;align-items:start;gap:40px;border-top:1px solid #d8cdb9;margin-top:50px;padding-top:27px}
.why-codon-footer>.eyebrow,.why-codon-footer .eyebrow{font-size:.55rem;color:#8d713f;margin-bottom:9px}
.why-codon-footer>div>p:last-child{font-family:Georgia,serif;font-size:1.5rem;line-height:1.4;letter-spacing:-.02em}.why-codon-footer>div>p:last-child span{color:#9d7b40}
.codon-sources{max-width:400px;padding:3px 0;border:0}.codon-sources:first-child{border:0}.codon-sources summary{font-weight:400;font-size:.7rem;color:#7d6d4f;line-height:1.8;cursor:pointer}.codon-sources ul{padding-left:16px;margin:12px 0 0;font-size:.67rem;line-height:1.9;color:#746851}.codon-sources a{text-underline-offset:3px}
.why-preview-back{background:#f4efe5;padding:20px 5% 0;font-size:12px;color:#8d713f}.why-preview-back a{text-decoration:none}
@media(max-width:1100px){.why-codon-grid{gap:35px;grid-template-columns:1fr 1fr}.why-codon-copy h2{font-size:4.2rem}.why-codon-copy>p:not(.eyebrow):not(.why-subtitle){font-size:.87rem}}
@media(max-width:850px){.why-codon-grid{grid-template-columns:1fr;gap:32px}.why-codon-copy{max-width:680px}.why-codon-copy>p:not(.eyebrow):not(.why-subtitle){max-width:650px}.codon-science{max-width:720px;width:100%;margin:auto}.why-codon{padding-top:50px}.why-codon-footer{margin-top:32px}}
@media(max-width:680px){.why-codon{padding:43px 0 30px}.why-codon-copy h2{font-size:4rem}.why-codon-copy .why-subtitle{font-size:1.7rem;margin:21px 0}.why-codon-copy>p:not(.eyebrow):not(.why-subtitle){font-size:.89rem;line-height:1.8}.why-codon-copy>.eyebrow{font-size:.6rem}.why-community{font-size:.8rem}.why-codon-footer{flex-direction:column;gap:21px;padding-top:24px}.why-codon-footer>div>p:last-child{font-size:1.4rem}.codon-sources{max-width:none}.codon-sources summary{font-size:.7rem}.codon-science figcaption{font-size:.6rem}.codon-science img{max-width:480px;margin:auto}}
/* Interactive homepage mini-calculator concept. */
.mini-calculator{background:#fffdf8;border:1px solid #ddceb2;border-radius:12px;padding:25px 27px;box-shadow:0 18px 45px #6c532112;min-width:0}
.mini-header{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid #e2d8c6;padding-bottom:18px;margin-bottom:20px}
.mini-header .eyebrow{font-size:.55rem;letter-spacing:.18em;margin-bottom:5px;color:#947546}
.mini-header h3{font:400 1.65rem/1.2 Georgia,serif;color:#302c23;letter-spacing:-.02em}
.mini-reset{font:inherit;font-size:.66rem;background:#f5eee2;border:1px solid #e2d5be;color:#8d713f;border-radius:20px;padding:7px 12px;min-height:36px;cursor:pointer}
.mini-workbench{display:grid;grid-template-columns:minmax(0,1fr) 150px;gap:20px;align-items:center}
.mini-inputs label{font-size:.7rem;font-weight:600;display:block;color:#3e3b30;margin-bottom:7px}
.mini-inputs label>span{display:block;color:#8d806a;font-size:.56rem;font-weight:400;margin-top:1px}
.mini-field{height:45px;display:flex;align-items:center;min-width:0;border:1px solid #ded3bf;border-radius:5px;background:#f8f4ec;margin-bottom:14px}
.mini-field input{width:100%;min-width:0;height:100%;background:none;border:0;padding:7px 11px;color:#24271f;font:400 1.3rem Arial,sans-serif}
.mini-field input[aria-invalid=true]{outline:2px solid #a35f47;outline-offset:-2px;border-radius:4px}
.mini-field>span,.mini-field select{font-family:inherit;font-size:.72rem;color:#8c7349;flex-shrink:0;padding:0 10px}
.mini-field select{height:100%;border:0;border-left:1px solid #e3dacb;background:none;min-width:58px}
.mini-presets{display:flex;gap:5px;margin-top:-7px;margin-bottom:16px}
.mini-presets button{background:none;border:1px solid #e2d8c6;border-radius:4px;color:#807052;font:inherit;font-size:.6rem;min-height:28px;flex:1;padding:4px;cursor:pointer}
.mini-presets button[aria-pressed=true]{border-color:#b99b62;background:#f0e6d3;color:#765e34}
.mini-vial-column{margin:0;min-width:0;text-align:center;align-self:center}
.mini-vial{position:relative;width:100%;max-width:150px;aspect-ratio:1000/1600;margin:auto;filter:drop-shadow(0 9px 9px #6d58351a)}
.mini-vial-image{display:block;width:100%;height:auto}
.mini-vial-label{position:absolute;left:14%;right:14%;top:36%;height:47%;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5px 0;line-height:1.3;overflow:hidden}
.mini-vial-label>img{width:83%;height:auto;display:block;margin-bottom:6px}
.mini-vial-label>strong{font-size:.6rem;letter-spacing:.11em;color:#4a402b}
.mini-vial-label>span{font-family:Georgia,serif;font-size:1.1rem;line-height:1.4;color:#8b6b35;margin:4px 0}
.mini-vial-label>small{font-size:.31rem;letter-spacing:.08em;color:#807156;line-height:1.5}
.mini-vial-column figcaption>span{display:block;font-size:.69rem;color:#967440;margin-top:9px}
.mini-vial-column figcaption>small{display:block;font-size:.5rem;color:#a0927a;margin-top:6px;line-height:1.6}
.mini-readout{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#1c211a;border:1px solid #b99a60;border-radius:6px;padding:17px 21px;margin-top:8px;color:#e3c98e}
.mini-readout>div>span{display:block;font-size:.49rem;letter-spacing:.12em;color:#bcbfae}
.mini-readout strong{font-family:Georgia,serif;font-size:2.25rem;font-weight:400;line-height:1.2;display:block;margin-top:5px}
.mini-readout strong small{font-family:Arial,sans-serif;font-size:.7rem;color:#ded4b9}
.mini-volume{text-align:right}.mini-volume strong{font-size:1.3rem}
.mini-scale-row{display:flex;justify-content:space-between;align-items:center;gap:15px;font-size:.64rem;color:#847456;margin-top:15px}
.mini-scale-row select{font-family:inherit;font-size:.64rem;border:1px solid #e2d6c0;border-radius:4px;padding:5px;background:#faf6ee;color:#736342;max-width:160px;min-height:30px}
.mini-syringe{display:block;width:100%;height:auto;max-height:65px;margin-top:5px;color:#7e735e}
.mini-concentration{display:flex;justify-content:space-between;align-items:center;gap:15px;border-top:1px solid #e4dbc9;padding-top:12px;margin-top:5px;font-size:.64rem;color:#8c7b5b}
.mini-concentration strong{font-weight:600;color:#564a31;font-size:.75rem}
.mini-message{font-size:.66rem;line-height:1.6;color:#9d5238;border-left:2px solid #bc8869;padding-left:10px;margin:13px 0 0}
.mini-note{font-size:.54rem;line-height:1.65;color:#8e8574;margin:14px 0 0}
@media(max-width:1200px){.calculator-grid{gap:50px;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.mini-workbench{grid-template-columns:minmax(0,1fr) 130px;gap:12px}.mini-calculator{padding:23px}.mini-header h3{font-size:1.45rem}}
@media(max-width:1000px){.calculator-grid{gap:30px;grid-template-columns:1fr}.calculator-grid>div:first-child{max-width:650px}.mini-calculator{width:100%;max-width:600px;margin:auto}.mini-workbench{grid-template-columns:minmax(0,1fr) 170px;gap:30px}.mini-vial{max-width:160px}.mini-header h3{font-size:1.7rem}.mini-inputs label{font-size:.78rem}.mini-inputs label>span{font-size:.6rem}}
@media(max-width:680px){.mini-calculator{padding:21px 17px}.mini-header{padding-bottom:14px;margin-bottom:16px}.mini-header h3{font-size:1.45rem}.mini-workbench{grid-template-columns:minmax(0,1fr) 116px;gap:11px}.mini-vial-label>strong{font-size:.48rem}.mini-vial-label>span{font-size:.9rem;margin:3px 0}.mini-vial-label>small{font-size:.25rem}.mini-vial-label>img{margin-bottom:4px}.mini-inputs label{font-size:.68rem}.mini-inputs label>span{font-size:.53rem}.mini-field{height:44px;margin-bottom:13px}.mini-field input{font-size:1.1rem;padding:6px 8px}.mini-field select{font-size:16px;min-width:62px;padding:0 3px}.mini-presets button{font-size:.57rem}.mini-readout{padding:15px 16px}.mini-readout strong{font-size:2rem}.mini-volume strong{font-size:1.2rem}.mini-reset{min-height:36px}.mini-note{font-size:.52rem}.mini-vial-column figcaption>span{font-size:.57rem}.mini-vial-column figcaption>small{font-size:.44rem}.mini-scale-row select{min-height:36px}.mini-presets button{min-height:32px}}
@media(max-width:360px){.mini-workbench{grid-template-columns:minmax(0,1fr) 95px;gap:8px}.mini-vial-label>strong{font-size:.4rem}.mini-vial-label>span{font-size:.75rem}.mini-vial-label>small{font-size:.21rem}.mini-presets{gap:3px}.mini-calculator{padding:19px 14px}.mini-field>span{padding:0 7px}.mini-readout{gap:8px}}

.full-calculator-note{font-size:.71rem!important;line-height:1.6!important;color:#8a7756!important;margin-top:12px!important;max-width:410px!important}
.mini-version-note{font-size:.63rem;line-height:1.65;color:#8b744b;border-top:1px solid #e4dbc9;padding-top:12px;margin:13px 0 0}
.calculator-grid .button{white-space:normal;text-align:center;max-width:100%;font-size:.85rem;gap:16px}
@media(max-width:680px){.calculator-grid .button{font-size:.76rem;padding:13px 15px}.mini-header h3{font-size:1.3rem}.mini-version-note{font-size:.59rem}}

/* All header destinations share the same alignment; the header is not fixed. */
html{scroll-padding-top:0}
#learn,#topics,#calculator,#resources,#about,#community{scroll-margin-top:0}
img{max-width:100%}
.calculator-grid>*,.why-codon-grid>*,.library-heading>*,.resource-heading>*,.topic-panel>*{min-width:0}
@media(max-width:1050px){
 .menu{min-width:44px;min-height:44px}
 .js .navigation nav a{min-height:44px;display:flex;align-items:center}
 .gallery-controls button,.all-topics,.mini-reset,.mini-presets button,.mini-scale-row select{min-height:44px}
 .gallery-controls button{min-width:44px}
 input,select,textarea{font-size:16px}
 .topic-track{overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
}
@media(max-width:680px){
 .navigation{padding-block:8px;gap:8px;min-height:88px}
 .navigation .brand{width:clamp(104px,31vw,132px)}
 .navigation .nav-join{font-size:.66rem;padding:10px 9px;gap:6px;min-height:44px}
 .navigation .menu{padding:5px 8px}
 .mini-field input{font-size:16px}
 .mini-header h3{font-size:clamp(1.1rem,4.5vw,1.4rem)}
 .mini-header{gap:10px}.mini-reset{flex-shrink:0}
 .mini-presets{flex-wrap:wrap}
 .mini-presets button{flex:1;min-width:42px}
 .mini-scale-row{flex-wrap:wrap;gap:8px}
 .mini-scale-row select{max-width:100%;font-size:16px}
 .mini-workbench{grid-template-columns:minmax(0,1fr) 100px;gap:10px}
 .mini-inputs label{font-size:.74rem}
 .mini-note{font-size:.66rem;line-height:1.6}
 .mini-version-note{font-size:.69rem}
 .why-codon-copy h2{font-size:clamp(3rem,12vw,4rem)}
 .library-heading h2{font-size:clamp(2.1rem,9vw,2.65rem)}
 .mini-field>span{padding-inline:6px}
 .mini-field select{min-width:58px}
 .mini-readout{gap:10px}
 .reference-brand-header nav{max-width:100%}
 .footer-bottom a{padding-block:10px}
}
@media(max-width:374px){
 .mini-workbench{grid-template-columns:minmax(0,1fr) 78px;gap:8px}
 .mini-calculator{padding:18px 12px}
 .mini-vial-label>span{font-size:.7rem}
 .mini-field input{padding-inline:5px;min-width:0}
 .mini-header h3{font-size:1.05rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* The light veil and gold frame follow hover, rather than click selection. */
.topic-card{border:1px solid #8c967044;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}
.topic-card[aria-current="true"]{border:1px solid #8c967044;box-shadow:none}
.topic-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,rgba(255,255,255,.26),rgba(255,255,255,.16));opacity:0;transition:opacity .2s ease;z-index:0}
@media(hover:hover) and (pointer:fine){
 .topic-card:hover{border-color:#dfbf81;box-shadow:inset 0 0 0 1px #dfbf81,0 0 0 2px #dfbf811c,0 0 18px #dfbf8124;transform:translateY(-3px)}
 .topic-card:hover::after{opacity:1}
}
.topic-card:focus-visible{border-color:#dfbf81;box-shadow:inset 0 0 0 1px #dfbf81,0 0 18px #dfbf8124}
.topic-card:focus-visible::after{opacity:1}
@media(hover:none){.topic-card:hover{transform:none}.topic-card:hover img{transform:none}.topic-card:active{border-color:#dfbf81}.topic-card:active::after{opacity:1}}
.topic-community-invite{color:#c4c7b8;font-size:.83rem;line-height:1.7;margin-top:18px;max-width:680px}
@media(prefers-reduced-motion:reduce){.topic-card,.topic-card::after{transition:none}.topic-card:hover{transform:none}}

/* On iPhone, automatic flex margins must not push the hero copy down. */
@media(max-width:680px){
 .hero>.hero-content{margin-top:0;margin-bottom:0;padding-top:24px}
}