@charset "UTF-8";
:root{--ink:#162a22;--muted:#52665c;--green:#164c35;--dark:#123d2b;--lime:#ceef75;--line:#d9e2db;--paper:#f5f8f4;--white:#fff;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-size:100%;line-height:1.5;color-scheme:light}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid #327c5d;outline-offset:4px}button{cursor:pointer}img{max-width:100%;display:block}p{margin:0 0 1rem}h1,h2,h3{line-height:1.14;margin:0 0 1rem}h1{font-family:Georgia,serif;font-weight:500;font-size:clamp(2.25rem,4.5vw,3.65rem);letter-spacing:-.035em}h2{font-size:1.7rem;letter-spacing:-.025em}h3{font-size:1.18rem}small{font-size:.875rem}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:12px;background:white;padding:12px;z-index:9}.skip:focus{top:12px}.wrap{max-width:1180px;margin:auto;padding:0 28px}.top{background:var(--dark);color:white}.top .wrap{display:flex;min-height:84px;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:800;font-size:1.45rem;letter-spacing:-.065em;text-decoration:none;display:flex;align-items:center;gap:12px}.brandmark{width:31px;height:31px;display:grid;grid-template-columns:1fr 1fr;gap:3px;transform:rotate(-7deg)}.brandmark i{display:block;background:var(--lime);border-radius:2px}.brandmark i:last-child{opacity:.4}.top nav{display:flex;gap:28px;font-size:.875rem}.top nav a{text-decoration:none}.top nav a:hover{text-decoration:underline}.topnote{color:#ccdecf;font-size:.875rem}.intro{padding:42px 0 24px}.eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.13em;font-weight:700;color:var(--green);margin-bottom:12px}.intro p{color:var(--muted);max-width:700px;font-size:1.0625rem}.materials{display:flex;gap:8px;margin-bottom:26px;flex-wrap:wrap}.materials a{display:flex;gap:10px;align-items:center;text-decoration:none;border:1px solid var(--line);padding:12px 20px;border-radius:8px;background:white;font-weight:600;font-size:.9375rem}.materials a[aria-current=page]{background:var(--green);color:white;border-color:var(--green)}.material-letter{font-family:Georgia,serif;font-size:1.15rem;color:var(--green);border-right:1px solid var(--line);padding-right:12px}.materials [aria-current] .material-letter{color:var(--lime);border-color:#4e7964}.workspace{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(310px,.82fr);gap:24px;align-items:start}.panel{border:1px solid var(--line);background:white;border-radius:12px;overflow:hidden}.form-section{padding:25px 28px;border-bottom:1px solid var(--line)}.form-section:last-child{border-bottom:none}.section-title{display:flex;align-items:center;gap:12px;margin:0 0 20px;font-size:1rem;font-weight:700}.step{display:inline-flex;border:1px solid var(--line);width:27px;height:27px;justify-content:center;align-items:center;border-radius:50%;font-size:.75rem;color:var(--muted)}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 18px}.grid.three{grid-template-columns:1fr 1fr 1fr}.field{display:block;min-width:0}.field>span{display:block;font-size:.875rem;font-weight:600;margin-bottom:7px}.inputwrap{position:relative}input,select{width:100%;border:1px solid #b6c8bb;border-radius:6px;background:#fff;color:var(--ink);padding:11px 12px;min-height:46px;line-height:1.3}input{padding-right:50px;font-variant-numeric:tabular-nums}select{padding-right:25px}input:focus,select:focus{outline:2px solid var(--green);outline-offset:1px}.unit{position:absolute;right:12px;top:13px;font-size:.875rem;color:var(--muted);pointer-events:none}.hint{font-size:.875rem;color:var(--muted);margin:12px 0 0}.spaced{margin-top:17px}.diagram{display:flex;align-items:center;justify-content:center;gap:22px;background:var(--paper);border:1px dashed #c4d4c7;border-radius:6px;min-height:68px;padding:10px;margin:16px 0}.diagram svg{width:140px;height:60px;color:var(--green)}.diagram p{margin:0;font-size:.875rem;color:var(--muted);max-width:230px}summary{cursor:pointer;font-weight:600;font-size:.9375rem;list-style-position:inside}details .grid{margin-top:18px}.optional{font-weight:400;color:var(--muted)}.error{color:#992521;font-size:.875rem;margin:0;padding:0 28px}.error:not(:empty){padding:14px 28px;background:#fff1ef;border-top:1px solid #f0c2bf}.result-main{background:var(--dark);color:white;padding:28px;border-radius:12px 12px 0 0}.result-eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:#cfdfd4;margin-bottom:8px}.big-result{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.big-result strong{font-size:clamp(3.5rem,5.2vw,4.75rem);font-weight:500;letter-spacing:-.055em;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}.big-result span{font-size:1.125rem}.result-main>p{font-size:.875rem;color:#d6e6db;margin:14px 0 0}.purchase-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;padding-top:25px;margin-top:24px;border-top:1px solid #496550}.purchase-grid strong{font-size:1.7rem;line-height:1.2;display:block;margin-bottom:6px;font-weight:500}.purchase-grid small{color:#ccdcd1;display:block;margin-top:5px;font-size:.8125rem}.purchase-label{font-size:.875rem}.comparison{padding:24px 28px;background:#fff}.comparison h2{font-size:1rem;margin-bottom:6px}.comparison>p{font-size:.875rem;color:var(--muted)}.costrow{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line);font-size:.9375rem}.costrow strong{font-weight:600;text-align:right}.costrow small{display:block;color:var(--muted);font-size:.8125rem}.verdict{margin:20px 0 10px;padding:14px 16px;background:#edf6db;border-radius:6px;color:#244816;font-weight:600;font-size:.9375rem}.comparison .fine{font-size:.8125rem;line-height:1.55;color:var(--muted);margin:0}.result-card{border:1px solid var(--line);border-radius:12px;overflow:hidden}.results-note{font-size:.8125rem;color:var(--muted);margin:14px 4px}.results-note a{font-weight:600}.invalid .big-result strong{color:white}.lower{margin:46px 0 0;display:grid;grid-template-columns:1.18fr .82fr;gap:24px}.explain{padding:28px}.explain h2{font-size:1.2rem}.explain p{font-size:.9375rem;color:var(--muted)}.formula{padding:16px;border-left:3px solid var(--green);background:var(--paper);font-size:.9375rem;line-height:1.6;margin:18px 0}.faq details{padding:18px 0;border-top:1px solid var(--line)}.faq details p{margin:14px 0 0}.fieldnote{background:#e7eddf;padding:28px;border-radius:12px}.fieldnote h2{font-family:Georgia,serif;font-weight:400;font-size:1.8rem}.fieldnote p{font-size:.9375rem;color:#3f5546}.fieldnote a{font-weight:600;font-size:.9375rem}.guides-section{margin:60px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2{margin:0;font-family:Georgia,serif;font-size:2rem;font-weight:500}.section-heading a{font-size:.875rem}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.guide-card{text-decoration:none;padding:24px;background:white;border-top:3px solid var(--green);border-radius:0 0 8px 8px;box-shadow:0 1px 0 var(--line)}.guide-card h3{margin-bottom:10px}.guide-card p{font-size:.9375rem;color:var(--muted)}.guide-card span{font-size:.875rem;color:var(--green);font-weight:600}.guide-card:hover{background:#eef4e6}.editorial-band{display:grid;grid-template-columns:1fr 1fr;background:var(--dark);color:white;border-radius:12px;overflow:hidden;margin:0 0 60px}.editorial-band img{height:100%;min-height:260px;width:100%;object-fit:cover}.editorial-copy{padding:34px;align-self:center}.editorial-copy .eyebrow{color:var(--lime)}.editorial-copy h2{font-family:Georgia,serif;font-weight:400;font-size:2.15rem}.editorial-copy p{color:#cedcd3;font-size:.9375rem}.editorial-copy a{color:var(--lime);font-size:.9375rem;font-weight:600}.footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.875rem}.footer .wrap{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap}.footer nav{display:flex;gap:22px;flex-wrap:wrap}.footer p{margin:0}.article{max-width:780px;margin:44px auto 65px}.article h1{font-size:clamp(2.2rem,4.5vw,3.4rem)}.article .lede{font-size:1.18rem;color:var(--muted);line-height:1.6}.article h2{font-size:1.45rem;margin-top:34px}.article p,.article li{line-height:1.75}.article ul,.article ol{padding-left:22px}.article table{border-collapse:collapse;width:100%;margin:22px 0;font-size:.9375rem}.article th,.article td{text-align:left;border-bottom:1px solid var(--line);padding:12px}.article th{background:#e8eee4}.article .callout{padding:22px 26px;background:white;border-left:3px solid var(--green);margin:26px 0}.article .callout p:last-child{margin:0}.article .source{font-size:.875rem;color:var(--muted)}.button-link{display:inline-block;background:var(--green);color:white;text-decoration:none;border-radius:6px;padding:12px 18px;font-weight:600;margin:10px 0}.guide-index{min-height:50vh;padding:44px 0}.guide-index .guide-grid{margin:35px 0}.noscript{padding:18px;border:1px solid #b89d58;background:#fff7e1;margin:12px 0}.result-card noscript{display:block;background:white;color:var(--ink);padding:20px}.result-card:has(noscript:not(:empty)){} @media(min-width:900px){.results-column{position:sticky;top:22px}}@media(max-width:800px){.wrap{padding:0 20px}.top .wrap{min-height:74px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}.topnote{display:none}.workspace,.lower{grid-template-columns:1fr}.results-column{position:static}.intro{padding-top:30px}.guide-grid{grid-template-columns:1fr}.guide-card{padding:22px}.editorial-band{grid-template-columns:1fr}.editorial-band img{max-height:250px}.guide-index{padding-top:30px}.article{margin-top:30px}.lower{margin-top:26px}.guides-section{margin:38px 0}.top nav{gap:17px}.form-section{padding:23px}.comparison,.result-main{padding:25px}.grid.three{grid-template-columns:1fr 1fr}.editorial-copy{padding:26px}.materials a{padding:10px 13px}.purchase-grid{gap:16px}.section-heading{align-items:start}}@media(max-width:430px){.wrap{padding:0 16px}.top .wrap{gap:12px}.top nav{font-size:.8125rem;gap:13px}.brand{font-size:1.25rem;gap:8px}.brandmark{width:25px;height:25px}.materials{gap:6px}.materials a{font-size:.875rem;padding:10px}.material-letter{display:none}.grid{gap:16px 12px}.form-section{padding:21px 18px}.diagram{gap:6px}.diagram svg{max-width:100px}.diagram p{font-size:.8125rem}.grid.three{grid-template-columns:1fr}.result-main,.comparison{padding:23px}.section-heading h2{font-size:1.7rem}.article th,.article td{padding:10px 6px}.big-result strong{font-size:3.8rem}}@media(prefers-reduced-motion:no-preference){a,input,select{transition:background-color .15s,color .15s,border-color .15s}}
