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#d9dfd1;margin-top:40px;padding-top:10px}.sources h2{font-size:24px}.sources p,.sources li{font-size:12px}.checklist{border:1px solid #d6dfcd;padding:24px;border-radius:8px}.check-row{display:flex;gap:13px;align-items:start;padding:13px 0;border-bottom:1px solid #e1e5d9;font-size:14px;cursor:pointer}.check-row input{margin-top:5px;width:16px;height:16px;flex-shrink:0;accent-color:#234b38}.check-row:has(input:checked){color:#6c7d60}.checklist #check-progress{font-weight:650;color:#234b38;font-size:12px}.table-wrap{overflow:auto;margin-top:45px}table{border-collapse:collapse;width:100%;font-size:13px;min-width:650px;text-align:left}caption{text-align:left;font-size:24px;margin-bottom:20px;letter-spacing:-.03em}th,td{padding:18px 16px;border-bottom:1px solid #d7dfd0}th{background:#e9efdf;color:#234b38;font-weight:650}td{color:#5b675e}.skip-link{position:absolute;left:10px;top:-100px;padding:12px;background:#234b38;color:white;z-index:100}.skip-link:focus{top:10px}@media(min-width:1500px){.hero h1{font-size:65px}}@media(max-width:1100px){.nav-shell{gap:20px}nav{gap:20px}.header-cta{display:none}.hero{gap:30px;padding-top:45px}.hero h1{font-size:49px}.hero-image,.hero-image img{min-height:470px}.hero-actions{flex-direction:column;align-items:start}.benefit-strip span{flex-wrap:wrap;gap:5px 10px}.calculator-feature{gap:35px}.feature-copy h2{font-size:33px}.card{padding:24px}.footer-top{gap:25px}.article-layout{grid-template-columns:180px minmax(0,1fr);gap:40px}.tool-layout{gap:20px}.tool-form{padding:22px}.result-panel{padding:27px}.hero-note{flex-wrap:wrap}}@media(max-width:800px){.nav-shell{padding:20px 6%;flex-wrap:wrap}.brand{font-size:22px}.brand-second{font-size:13px}.brand svg{width:33px;height:33px}.menu-toggle{display:flex;gap:15px;border:1px solid #cdd6c4;border-radius:5px;background:none;padding:9px 13px;font-size:12px;color:#234b38}nav{display:none;flex-basis:100%;flex-direction:column;align-items:stretch;gap:4px;padding-top:15px}nav.open{display:flex}nav a{padding:12px;border-bottom:1px solid #e2e6db}nav a[aria-current]:after{display:none}.hero{grid-template-columns:1fr;padding:38px 6% 28px;gap:30px}.eyebrow{font-size:12px;letter-spacing:.12em;margin-bottom:20px}.hero h1{font-size:45px;line-height:1.12;letter-spacing:-.055em}.hero-copy>p{font-size:14px;line-height:1.85;margin-top:22px}.hero-actions{flex-direction:row;gap:9px;margin-top:25px}.button{font-size:12px;padding:13px 15px;gap:14px}.hero-note{font-size:12px;gap:7px;margin-top:22px}.hero-image,.hero-image img{min-height:330px}.hero-image img{height:355px;aspect-ratio:1.1}.image-tag{bottom:40px;left:17px;font-size:12px}.hero-image figcaption{font-size:12px}.benefit-strip{grid-template-columns:1fr;padding:22px 6%;gap:15px}.benefit-strip span{font-size:12px;gap:12px}.section{padding:50px 6%}.section-head{align-items:start;flex-direction:column;gap:22px}.section-head h2{font-size:32px}.cards{grid-template-columns:1fr;gap:15px}.card,.systems .card{min-height:210px;padding:26px}.card-kicker{margin-bottom:34px}.card p{max-width:90%;font-size:13px}.card h3{font-size:26px}.calculator-feature{margin:0 6%;padding:32px 25px;grid-template-columns:1fr;gap:30px}.feature-copy h2{font-size:32px}.feature-copy small{font-size:12px}.calc-example{padding:22px;transform:none}.example-values{padding:22px}.example-result strong{font-size:50px}.how>h2{font-size:32px}.steps{grid-template-columns:1fr;gap:30px;margin-top:30px}.steps>div{display:grid;grid-template-columns:40px 1fr;gap:0 10px}.steps b{padding-top:5px}.steps h3{margin:0 0 12px;font-size:22px}.steps p{grid-column:2;max-width:none;font-size:13px}.faq{grid-template-columns:1fr;gap:20px}.faq h2 br{display:none}.faq h2{font-size:32px}summary{font-size:14px}.bottom-cta{margin:0 6% 45px;padding:30px 25px;flex-direction:column;align-items:start;gap:25px}.bottom-cta h2{font-size:30px}.footer-top{grid-template-columns:1fr 1fr;gap:35px 20px}.footer-top>div:first-child{grid-column:1/-1}.footer-top>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:14px;margin-top:30px}.footer-bottom div{gap:20px}footer{padding:40px 6% 25px}.page-intro{padding:40px 6% 35px}.page-intro h1{font-size:42px}.page-intro p{font-size:14px;margin-top:20px}.tool-layout{grid-template-columns:1fr;padding:28px 6% 0}.tool-form{padding:23px 20px}.field-grid{gap:20px 12px}.field-grid label{font-size:12px}.field-grid label>span{font-size:12px;min-height:29px}.field-grid input,.field-grid select{padding:10px;font-size:14px}.form-heading h2{font-size:21px}.result-panel{position:static;padding:28px}.result-panel h2{font-size:30px}.result-number{font-size:62px}.article-layout{grid-template-columns:1fr;padding:20px 6% 45px;gap:10px}.article-toc{position:static;background:#eff2e7;padding:20px;border-radius:7px}.article-toc a{font-size:12px;padding:7px 0}.article-toc p{margin-bottom:8px}.prose h2{font-size:29px;line-height:1.2}.prose p,.prose li{font-size:14px}.notice{padding:20px}.formula{font-size:12px}.checklist{padding:20px}.check-row{font-size:13px}.sources li{font-size:12px}.full{grid-column:1/-1}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}@media(max-width:360px){.hero h1{font-size:39px}.field-grid{grid-template-columns:1fr}.field-grid label>span{min-height:0}.hero-actions{flex-direction:column}.hero-actions .button{width:100%}}
.product-card{border:1px solid #d6dfcd;border-radius:8px;padding:24px;background:#fff}.product-card img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;margin-bottom:20px}.product-card h4{font-size:14px;margin-bottom:8px}.product-card p,.product-card li{font-size:12px}.product-card .button{color:white;text-decoration:none}
@media(min-width:761px) and (max-width:950px){.tool-layout{grid-template-columns:1fr}.result-panel{position:static}.field-grid label>span{min-height:0}}
@media(max-width:800px){.faq h2 br{display:initial}}

/* Iteration 2: preserve palette and layout, improve readable and touchable details. */
.review-banner{padding:9px 6%;background:#e9eddf;color:#234b38;font-size:12px;text-align:center}
.hero h1 em{color:#58744f}.hero-note{color:#52624f}.hero-note,.benefit-strip span{flex-wrap:wrap}
.hero>*,.tool-layout>*,.cards>*,.footer-top>*,.field-grid>*{min-width:0}
main,article,section,footer{overflow-wrap:anywhere}
input,select{font-size:16px!important}input[type=checkbox]{min-width:20px;min-height:20px}
.button,.plain-button,.menu-toggle,nav a,.text-link,summary,.footer-bottom a{min-height:44px}
.footer-bottom a{display:inline-flex;align-items:center}.footer-bottom div{flex-wrap:wrap}
.table-wrap{max-width:100%;border:1px solid #d7dfd0;border-radius:6px}
.table-wrap:focus-visible{outline:3px solid #b66d36;outline-offset:3px}
.prose .cards{grid-template-columns:1fr 1fr}.product-card h3{font-size:24px}
.product-card ul{padding-left:19px}.product-card .eyebrow{margin-bottom:18px}
.product-card p,.product-card li{font-size:14px}.claim-source{font-size:12px!important}
.commercial{border-top:1px solid #d7dfd0;padding-top:15px}.prose a{overflow-wrap:anywhere}
.checkbox:has(input[type=number]){flex-direction:column}.checkbox input[type=number]{width:100%;padding:10px;border:1px solid #cdd5c5;border-radius:5px}
@media(max-width:800px){.prose .cards{grid-template-columns:1fr}.hero-note{line-height:1.8}.benefit-strip strong{white-space:normal}.example-top{flex-wrap:wrap}.hero h1{font-size:clamp(34px,10vw,45px)}.field-grid{grid-template-columns:minmax(0,1fr)}.hero-actions .button{width:100%}.hero-image figcaption{text-align:left}.eyebrow{letter-spacing:.08em}}
.article-layout>*{min-width:0}.prose section{min-width:0}.article-layout .table-wrap{width:100%}
.card-kicker,.steps b,summary>span{color:#4d6747}.feature-copy small,.footer-bottom{color:#53644b}.example-values b{color:#627457}.check-row:has(input:checked){color:#52664a}
/* Revision 3 · same natural palette, quieter hierarchy and editorial rhythm. */
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