@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#182b24;--muted:#6d7c73;--line:#dfe5df;--lime:#ddfa8f;--purple:#7760dc}*{box-sizing:border-box}body{margin:0;background:#fafcf9;color:var(--ink);font:16px/1.5 'DM Sans',sans-serif}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}[hidden]{display:none!important}header{height:86px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;gap:24px;background:#182b24;color:#fff}.brand{display:flex;gap:9px;align-items:center;text-decoration:none;color:white;font:800 25px 'Manrope',sans-serif;letter-spacing:-1px}.brand>span:first-child{font-size:36px;color:var(--lime);margin-right:4px}.brand-light{font-weight:400;color:#c6d6cc;font-size:19px;letter-spacing:-.7px}.header-caption{font-size:14px;color:#c4d2c9}.beta{font-size:11px;letter-spacing:.12em;border:1px solid #435b4e;border-radius:30px;padding:7px 12px}main{max-width:1240px;margin:auto;padding:0 36px}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:36px 0 32px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.15em;margin:0 0 12px;color:#627565}h1{font:800 45px/1.1 'Manrope',sans-serif;letter-spacing:-2px;margin:0}.period{color:var(--purple)}.intro>p{font-size:15px;color:var(--muted);margin:0 0 3px;line-height:1.65}.tool-nav{display:flex;align-items:center;gap:8px;margin-bottom:16px}.tool-nav button{background:#fff;border:1px solid var(--line);border-radius:10px;padding:11px 20px;font-size:14px;font-weight:600;display:flex;align-items:center;gap:9px;color:#61736a}.tool-nav button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.tool-icon{font-size:22px;line-height:1}.nav-note{margin-left:auto;color:#718378;font-size:12px}.workbench{display:grid;grid-template-columns:340px 1fr;border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;box-shadow:0 15px 55px #132b2407}.controls{padding:25px 26px;border-right:1px solid var(--line)}.panel-label{display:flex;justify-content:space-between;align-items:center;font-size:11px;letter-spacing:.08em;font-weight:600;color:#697b70;margin-bottom:21px}.panel-label>span:last-child{font-size:18px;color:#8c9e92}h3{font:700 19px/1.4 'Manrope',sans-serif;margin:0 0 8px;letter-spacing:-.6px}.helper{color:var(--muted);font-size:13px;line-height:1.5;margin:0 0 24px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px 14px;margin:0 0 18px}label{font-size:12px;font-weight:600;display:block;line-height:1.5}label span{float:right;color:#8b9a90;font-weight:400}input,select{border:1px solid #d8e1d8;background:#f8faf7;border-radius:8px;width:100%;padding:10px 12px;margin-top:7px;color:var(--ink);min-height:46px}input{font:700 19px 'Manrope',sans-serif}input:focus{background:white;border-color:#778f7d;outline:none;box-shadow:0 0 0 3px #ddfa8f70}select{font-size:12px}.full-label{margin-bottom:17px}.measurement-note{display:none}.small-note{font-size:12px;line-height:1.6;color:var(--muted);margin:13px 0}.primary{background:var(--lime);color:var(--ink);border:none;border-radius:8px;padding:11px 14px;font-size:13px;font-weight:700;width:100%;margin-top:4px}.primary:hover{background:#d0ef79}#error{font-size:13px;color:#a13428;background:#fff2ee;border-radius:7px;padding:10px}.visual{min-width:0;display:flex;flex-direction:column;background:#f1f4ef}.canvas-heading{display:flex;align-items:center;justify-content:space-between;padding:22px 25px;gap:20px;font-size:10px;letter-spacing:.1em;font-weight:600;color:#5b7262}.live{letter-spacing:0;font-weight:400;font-size:11px;color:#7b8c80}.drawing{height:250px;display:flex;align-items:center;justify-content:center;background-image:radial-gradient(#c4d0c7 1px,transparent 1px);background-size:18px 18px;margin:0 20px;border-radius:12px}.drawing svg{width:100%;height:100%;overflow:visible}.drawing text{font-family:'DM Sans',sans-serif}.visual-footer{display:flex;justify-content:space-between;gap:15px;color:#8b9b8f;font-size:10px;padding:15px 25px 20px}.results{margin-top:auto;background:var(--lime);padding:22px 26px;display:flex;gap:26px;align-items:center;min-height:129px;border-top:1px solid #c6e281}.main-result{flex:1;min-width:0}.results p{font-size:10px;font-weight:600;letter-spacing:.08em;margin:0 0 7px;color:#587345}.main-result>div{font:800 48px/1 'Manrope',sans-serif;letter-spacing:-2px;overflow-wrap:anywhere}.main-result small{font-size:20px;font-weight:500;letter-spacing:-.3px;margin-left:7px}.side-result{border-left:1px solid #b6d078;padding-left:20px;min-width:114px}.side-result strong{display:block;font:700 15px/1.3 'Manrope',sans-serif}.side-result p:nth-of-type(2){margin-top:10px}.results button{background:var(--ink);color:#fff;border:none;border-radius:8px;padding:12px 15px;font-size:12px;white-space:nowrap}.under-workbench{display:flex;justify-content:space-between;gap:15px;padding:13px 2px;color:#78887d;font-size:11px}.under-workbench p{margin:0;font-family:monospace}.tips{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:27px 0 33px;border-bottom:1px solid var(--line)}.tips article{display:flex;gap:12px}.tips article>span{color:#9ca99e;font:12px monospace;padding-top:3px}.tips h2{font-size:13px;margin:0 0 6px;font-weight:700}.tips p{font-size:12px;color:var(--muted);margin:0;line-height:1.6}.photo-strip{display:flex;gap:40px;align-items:center;padding:32px 0 40px}.photo-strip img{width:43%;height:215px;object-fit:cover;border-radius:12px}.photo-strip h2{font:800 28px/1.15 'Manrope',sans-serif;letter-spacing:-1px;margin:0 0 14px}.photo-strip p:not(.eyebrow){max-width:430px;font-size:14px;color:var(--muted)}.photo-strip small{font-size:10px;color:#89988b}.photo-strip a{color:inherit}footer{border-top:1px solid var(--line);padding:22px 5%;display:flex;justify-content:space-between;gap:20px;font-size:12px;color:#7b8b80}footer>span:first-child{font-weight:700;color:var(--ink)}footer a{color:inherit}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid var(--purple);outline-offset:3px}@media(max-width:1000px){.header-caption{display:none}.workbench{grid-template-columns:310px 1fr}.results{gap:16px;flex-wrap:wrap}.results button{width:100%;margin-top:0}.intro>p{max-width:250px}.main-result>div{font-size:42px}.live{display:none}}@media(max-width:680px){header{height:70px;padding:0 20px}.brand{font-size:22px}.brand-light{font-size:16px}.beta{display:none}main{padding:0 18px}.intro{display:block;padding:27px 0 24px}h1{font-size:35px;letter-spacing:-1.6px}.intro>p{max-width:100%;margin-top:16px;font-size:14px}.intro>p br{display:none}.tool-nav{gap:6px}.tool-nav button{padding:10px 12px;font-size:12px;gap:6px}.tool-icon{font-size:18px}.nav-note{display:none}.workbench{grid-template-columns:1fr;border-radius:14px}.controls{padding:21px;border:0;border-bottom:1px solid var(--line)}.panel-label{margin-bottom:12px}.helper{margin-bottom:17px}.fields{gap:15px}.primary{margin-top:0}.canvas-heading{padding:19px 21px}.drawing{height:215px;margin:0 12px}.visual-footer{padding:12px 20px 16px}.results{padding:20px;gap:20px}.main-result>div{font-size:47px}.results button{margin-top:0}.under-workbench{flex-direction:column;gap:5px;font-size:10px}.tips{grid-template-columns:1fr;gap:17px;padding:22px 0}.tips h2{font-size:14px}.tips p{font-size:13px}.photo-strip{display:block;padding-top:25px}.photo-strip img{width:100%;height:200px;margin-bottom:24px}footer{flex-wrap:wrap;padding:20px;gap:10px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

/* My Green Tools: shared identity and language navigation. */
.language-nav{display:flex;gap:4px;border:1px solid #435b4e;border-radius:12px;padding:4px;flex-shrink:0}.language-nav a{padding:7px 11px;border-radius:8px;color:#c6d6cc;text-decoration:none;font-size:13px;font-weight:700}.language-nav a[aria-current=page]{background:var(--lime);color:var(--ink)}.language-nav a:focus-visible{outline:2px solid white;outline-offset:2px}.brand{white-space:nowrap}.brand-light{font-size:inherit;font-weight:500}.brand>span:first-child{font-size:28px}.intro h1{max-width:690px}@media(max-width:680px){header{height:auto;min-height:80px;padding:18px 20px;gap:12px}.brand{font-size:19px;gap:5px}.brand>span:first-child{font-size:26px}.language-nav a{padding:6px 9px}.header-caption{display:none}}

/* A seedling in a measured pot: the My Green Tools signature. */
.brand{gap:12px;letter-spacing:-.8px}.brand-mark{display:block;width:44px;height:44px;flex-shrink:0}.brand .brand-wordmark{font-size:23px;color:#fff;margin:0;line-height:1.15}.brand-descriptor{display:block;font:600 9px/1.4 'DM Sans',sans-serif;letter-spacing:2.1px;color:#a8bcac;margin-top:5px}.header-caption{font-size:13px}.period{color:#749b51}.tool-nav button[aria-selected=true]{box-shadow:inset 0 -3px 0 #92b965}.eyebrow{letter-spacing:.12em}footer>span:first-child{display:flex;align-items:center;gap:9px}footer>span:first-child:before{content:"";display:block;width:26px;height:26px;background:url('/logo-mark.svg') center/contain no-repeat}@media(max-width:680px){.brand{gap:9px}.brand-mark{width:36px;height:36px}.brand .brand-wordmark{font-size:18px;letter-spacing:-.6px}.brand-descriptor{font-size:7px;letter-spacing:1.6px;margin-top:4px}}
.site-nav{max-width:1240px;margin:auto;display:flex;gap:24px;padding:16px 36px;border-bottom:1px solid var(--line);overflow-x:auto}.site-nav a{text-decoration:none;color:var(--muted);font-size:13px;white-space:nowrap}.site-nav a:hover,.text-link{color:var(--ink)}.unit-settings{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin:0 0 18px;padding:16px 20px;border:1px solid var(--line);border-radius:12px;background:#f1f5ec}.unit-settings label{font-size:12px;font-weight:600;min-width:160px}.unit-settings select,.length-choice select{display:block;width:100%;margin-top:6px;padding:9px 12px;border:1px solid #cbd8c9;border-radius:7px;background:white;color:var(--ink)}.unit-settings p{font-size:11px;color:var(--muted);max-width:290px;margin:0 0 7px}.length-choice{display:block;font-size:12px;margin:0 0 18px}.tool-nav .tool-link{padding:11px 20px;background:white;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);font-size:14px;font-weight:600}.tool-link:hover{background:#edf3e7}.resource-section{padding:34px 0;border-top:1px solid var(--line)}.resource-section>h2{font:800 26px/1.2 Manrope,sans-serif;letter-spacing:-.8px;margin:0 0 22px}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.resource-card{position:relative;display:block;text-decoration:none;color:var(--ink);padding:25px 48px 25px 25px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:background .15s,border-color .15s}.resource-card:hover{background:#f1f6e9;border-color:#9ab67e}.resource-kicker{font-size:9px;font-weight:700;letter-spacing:1.6px;color:#71835e}.resource-card h3{font:700 19px/1.3 Manrope,sans-serif;margin:10px 0}.resource-card p{font-size:13px;color:var(--muted);margin:0;line-height:1.65}.resource-arrow{position:absolute;right:22px;top:25px;font-size:20px}.article-heading{max-width:850px;padding:48px 0 35px}.article-heading h1{font-size:44px}.article-heading>p:not(.eyebrow){font-size:18px;color:var(--muted);line-height:1.7}.breadcrumb{display:inline-block;color:var(--muted);font-size:12px;text-decoration:none;margin-bottom:24px}.editorial-credit{font-size:11px;color:#71816b}.article-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:60px;padding:0 0 50px}.article-toc{align-self:start;position:sticky;top:24px;border-top:2px solid #96b778;padding-top:18px}.article-toc strong{font-size:12px}.article-toc a{display:block;text-decoration:none;color:var(--muted);font-size:12px;line-height:1.6;margin-top:15px}.article-body{max-width:720px}.article-body h2{font:750 23px/1.3 Manrope,sans-serif;letter-spacing:-.5px;margin:32px 0 12px}.article-body section:first-child h2{margin-top:0}.article-body p{line-height:1.9;font-size:16px;color:#4f6256;margin:0 0 20px}.article-body a{color:var(--ink);text-underline-offset:3px}.tool-explanation{padding:35px 0 45px}.article-faq{margin:35px 0}.article-faq details{border-bottom:1px solid var(--line);padding:17px 0}.article-faq summary{cursor:pointer;font-size:15px;font-weight:600}.article-faq details p{font-size:14px;margin:12px 0 0}.sources{background:#f0f4ec;border-radius:12px;padding:22px;margin-top:35px}.sources h2{margin-top:0;font-size:16px}.sources p{font-size:12px;margin-bottom:12px}.guide-cta{display:inline-block;background:var(--ink);color:#fff!important;padding:14px 20px;border-radius:8px;margin-top:25px;text-decoration:none;font-size:14px}.notice{padding:20px;background:#f0f4ec;border:1px solid var(--line)}@media(max-width:680px){.site-nav{padding:13px 18px;gap:20px}.tool-nav .tool-link{padding:10px 12px;font-size:12px}.unit-settings{padding:14px;gap:12px}.unit-settings label{min-width:0;flex:1}.unit-settings p{max-width:none;flex-basis:100%;margin:0}.resource-grid{grid-template-columns:1fr}.resource-card{padding:22px 44px 22px 22px}.resource-section>h2{font-size:23px}.article-heading{padding:30px 0}.article-heading h1{font-size:34px}.article-heading>p:not(.eyebrow){font-size:16px}.article-layout{grid-template-columns:1fr;gap:28px}.article-toc{position:static}.article-body h2{font-size:22px}.article-body p{font-size:15px}}
.site-nav a[aria-current=page]{color:var(--ink);font-weight:700}.tool-nav .tool-link[aria-current=page]{background:var(--ink);color:white;border-color:var(--ink);box-shadow:inset 0 -3px 0 #92b965}