:root{--paper:#f1eee4;--card:#f8f5eb;--ink:#20211d;--muted:#686a61;--line:#bcb8aa;--orange:#d9663c;--orange-dark:#b94e2a;--teal:#33746c;--mono:"Courier New",monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit}button,input,select{font:inherit}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:var(--ink);color:var(--paper);padding:.65rem 1rem;z-index:10}.site-header,main,footer{width:min(1120px,calc(100% - 40px));margin:auto}.site-header{height:78px;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:30px}.brand{font-family:var(--mono);font-weight:700;text-decoration:none;letter-spacing:-1px;font-size:1.15rem}.brand span{color:var(--orange)}.edition{font:9px var(--mono);letter-spacing:.12em;color:var(--muted);padding-left:28px;border-left:1px solid var(--line)}.site-header nav{display:flex;gap:26px;margin-left:auto}.site-header nav a{position:relative;font:11px var(--mono);letter-spacing:.08em;text-decoration:none;text-transform:uppercase}.site-header nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:1px;background:var(--orange);transition:right .2s ease}.site-header nav a:hover:after{right:0}.theme{border:1px solid var(--line);background:transparent;color:var(--ink);width:36px;height:36px;cursor:pointer;transition:.2s}.theme:hover{background:var(--ink);color:var(--paper)}.hero{min-height:510px;padding:86px 0 66px;display:grid;grid-template-columns:1.35fr .65fr;align-items:end;gap:80px}.eyebrow,.status,label>span{font:10px var(--mono);letter-spacing:.14em;color:var(--muted)}h1,h2,p{margin-top:0}.hero h1,.page-head h1{font-size:clamp(3.8rem,7.6vw,6.6rem);letter-spacing:-.075em;line-height:.86;margin:23px 0 0}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:var(--orange)}.hero-aside{border-top:1px solid var(--ink);padding-top:18px}.hero-aside>span{display:block;margin-bottom:75px;font:10px var(--mono);color:var(--orange)}.hero-aside p,.page-head>p:last-child{font-size:1.03rem;color:var(--muted);max-width:390px}.hero-aside a{display:inline-block;margin-top:14px;font:10px var(--mono);letter-spacing:.1em;text-decoration:none;border-bottom:1px solid var(--ink);padding-bottom:4px}.converter{position:relative;background:var(--card);border:1px solid var(--ink);box-shadow:8px 8px 0 var(--ink);padding:26px;margin-bottom:112px}.converter:before{content:"";position:absolute;width:7px;height:7px;background:var(--orange);left:-4px;top:-4px}.status{display:grid;grid-template-columns:1fr 1fr 1fr;padding-bottom:17px;border-bottom:1px solid var(--line)}.status span:nth-child(2){text-align:center}.status .ready{text-align:right;color:var(--teal)}.ready i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--teal);margin-right:6px;box-shadow:0 0 0 3px color-mix(in srgb,var(--teal),transparent 80%)}.category-tabs{display:flex;gap:6px;flex-wrap:wrap;padding:18px 0}.category-tabs button{font:10px var(--mono);border:1px solid var(--line);background:transparent;color:var(--ink);padding:9px 13px;cursor:pointer;transition:.16s ease}.category-tabs button.active,.category-tabs button:hover{background:var(--ink);border-color:var(--ink);color:var(--paper);transform:translateY(-1px)}.conversion-grid{display:grid;grid-template-columns:1fr auto 1fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.conversion-grid label{padding:27px 20px;min-width:0}.conversion-grid input,.conversion-grid output{display:flex;align-items:center;width:100%;min-height:92px;border:0;background:transparent;color:var(--ink);font:clamp(2.7rem,6.5vw,5.5rem)/1 var(--mono);letter-spacing:-.06em;outline:none;margin:12px 0;overflow-wrap:anywhere}.conversion-grid input:focus{box-shadow:inset 0 -2px var(--orange)}.conversion-grid select{width:100%;border:1px solid transparent;border-top-color:var(--line);background:transparent;color:var(--ink);padding:12px 3px;font:12px var(--mono);cursor:pointer}.conversion-grid select:focus{outline:1px solid var(--orange);outline-offset:2px}.swap{align-self:center;border:1px solid var(--ink);background:var(--orange);color:white;width:46px;height:46px;font-size:20px;cursor:pointer;box-shadow:3px 3px 0 var(--ink);transition:.16s}.swap:hover{background:var(--orange-dark);transform:translate(-1px,-1px);box-shadow:4px 4px 0 var(--ink)}.swap:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}.converter-foot{display:flex;justify-content:space-between;align-items:center;padding-top:19px;font:11px var(--mono);gap:20px}.converter-foot p{margin:0;color:var(--muted)}.converter-foot button{border:1px solid var(--line);background:transparent;color:var(--ink);font:10px var(--mono);padding:10px 13px;cursor:pointer;margin-left:5px;transition:.16s}.converter-foot button:hover{border-color:var(--ink)}.converter-foot .primary-action{background:var(--ink);border-color:var(--ink);color:var(--paper)}.converter-foot .primary-action:hover{background:var(--orange);border-color:var(--orange)}.unit-search{display:block;border-top:1px solid var(--line);margin-top:18px;padding-top:16px}.unit-search input{width:100%;margin-top:8px;padding:11px 12px;border:1px solid var(--line);background:transparent;color:var(--ink);outline:none}.unit-search input:focus{border-color:var(--ink);box-shadow:3px 3px 0 var(--orange)}.category-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;margin-bottom:112px}.category-section h2,.content-grid h2,.table-section h2{font:400 2.5rem/1.05 Georgia,serif}.section-note{max-width:270px;color:var(--muted);font-size:.88rem;margin-top:28px}.category-list{border-top:1px solid var(--ink)}.category-list a{display:grid;grid-template-columns:42px 1fr auto 24px;gap:14px;align-items:center;border-bottom:1px solid var(--line);padding:17px 4px;text-decoration:none;transition:.16s}.category-list a:hover{padding-left:12px;background:color-mix(in srgb,var(--card),transparent 20%)}.category-list a:hover strong{color:var(--orange)}.category-list span,.category-list small{font:10px var(--mono);color:var(--muted)}.local-panels,.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:100px}.local-panels article,.content-grid article{border:1px solid var(--line);padding:28px;min-height:170px;background:color-mix(in srgb,var(--card),transparent 55%)}.local-panels article p:not(.eyebrow){font:12px var(--mono);border-top:1px solid var(--line);padding-top:10px}.local-panels a{text-decoration:none}.local-panels a:hover{color:var(--orange)}.page-head{padding:75px 0 45px}.page-head h1{font-size:clamp(3rem,7vw,6rem)}.crumbs{font:10px var(--mono);color:var(--muted);padding-top:30px}.unit-directory,.table-section{margin-bottom:100px}.unit-directory>div{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}.unit-directory span{padding:16px 6px;border-bottom:1px solid var(--line)}.unit-directory b{display:inline-block;min-width:70px;font-family:var(--mono);color:var(--orange)}code{display:block;border-left:3px solid var(--orange);background:var(--card);padding:18px;margin:20px 0;white-space:normal}.big-answer{font:3rem var(--mono);color:var(--teal)}table{width:100%;border-collapse:collapse;font-family:var(--mono)}th,td{text-align:left;padding:15px;border-bottom:1px solid var(--line)}th{background:var(--ink);color:var(--paper)}tbody tr:hover{background:var(--card)}footer{border-top:1px solid var(--line);padding:35px 0 55px;display:flex;justify-content:space-between;font:10px var(--mono);letter-spacing:.08em;color:var(--muted)}body.dark{--paper:#1d211d;--card:#252a24;--ink:#e7e1d2;--muted:#aaa99d;--line:#555a50;--orange:#e5794d;--teal:#78b3a9}
@media(max-width:720px){.site-header{height:68px}.site-header nav,.edition{display:none}.theme{margin-left:auto}.hero{min-height:auto;grid-template-columns:1fr;padding:58px 0 48px;gap:40px}.hero h1{font-size:clamp(3.35rem,17vw,4.5rem)}.hero-aside>span{margin-bottom:25px}.converter{padding:15px;box-shadow:5px 5px 0 var(--ink);margin-bottom:75px}.status span:nth-child(2){display:none}.status{grid-template-columns:1fr 1fr}.category-tabs{overflow:auto;flex-wrap:nowrap;padding-bottom:14px;scrollbar-width:none;scroll-snap-type:x proximity}.category-tabs::-webkit-scrollbar{display:none}.category-tabs button{flex:none;scroll-snap-align:start}.conversion-grid{grid-template-columns:1fr}.conversion-grid label{padding:20px 8px}.conversion-grid input,.conversion-grid output{min-height:64px;font-size:3.25rem}.swap{justify-self:center;transform:rotate(90deg);margin:-9px 0;z-index:2}.swap:hover{transform:rotate(90deg) translate(-1px,-1px)}.converter-foot{align-items:flex-start;flex-direction:column}.converter-foot div{display:flex;width:100%}.converter-foot button{flex:1;margin:0 6px 0 0}.category-section{grid-template-columns:1fr;gap:32px;margin-bottom:75px}.section-note{max-width:none}.local-panels,.content-grid{grid-template-columns:1fr}.unit-directory>div{grid-template-columns:1fr}.category-list a{grid-template-columns:34px 1fr auto}.category-list b{display:none}footer{gap:20px;flex-direction:column}.pair-converter .conversion-grid{grid-template-columns:1fr}.page-head{padding-top:55px}}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.unit-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;border-top:1px solid var(--ink);padding:75px 0 105px}.unit-intro h2{font:400 2.7rem/1.04 Georgia,serif}.prose-lead{max-width:680px}.prose-lead p{font-size:1.05rem;color:var(--muted);margin-bottom:1.3rem}.text-link{display:inline-block;margin-top:12px;padding-bottom:4px;border-bottom:1px solid var(--ink);font:10px var(--mono);letter-spacing:.09em;text-decoration:none}.text-link:hover{color:var(--orange);border-color:var(--orange)}.site-footer{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:55px;padding:48px 0 28px}.site-footer .footer-brand p{margin:18px 0;color:var(--muted);font:12px/1.7 var(--mono)}.site-footer>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start;gap:9px}.site-footer strong{margin-bottom:9px;font:10px var(--mono);letter-spacing:.12em;color:var(--orange)}.site-footer a{font:11px var(--mono);text-decoration:none}.site-footer a:hover{color:var(--orange)}.site-footer .copyright{grid-column:1/-1;width:100%;border-top:1px solid var(--line);padding-top:22px;margin:22px 0 0;font:9px var(--mono);letter-spacing:.1em;color:var(--muted)}.reference-head{padding:90px 0 65px;border-bottom:1px solid var(--ink)}.reference-head h1{max-width:900px;margin:20px 0;font-size:clamp(3.5rem,8vw,7rem);line-height:.88;letter-spacing:-.07em}.reference-head>p:last-child{max-width:600px;color:var(--muted);font-size:1.05rem}.reference-body{max-width:900px;margin:0 auto;padding:35px 0 110px}.reference-body>section{display:grid;grid-template-columns:90px 1fr;gap:30px;padding:45px 0;border-bottom:1px solid var(--line)}.reference-body h2{font:400 2rem Georgia,serif;margin-bottom:18px}.reference-body section p{max-width:680px;color:var(--muted);font-size:1.02rem}.article-no{font:10px var(--mono);color:var(--orange);padding-top:10px}.reference-note{margin-top:45px;padding:30px;border:1px solid var(--ink);box-shadow:5px 5px 0 var(--ink);background:var(--card)}.reference-note p:last-child{margin:18px 0 0}.sitemap-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:50px 0 110px}.sitemap-grid>div{border-top:1px solid var(--ink);padding-top:20px}.sitemap-grid a{display:flex;justify-content:space-between;gap:20px;padding:16px 4px;border-bottom:1px solid var(--line);text-decoration:none}.sitemap-grid a:hover strong{color:var(--orange)}.sitemap-grid small{font:10px var(--mono);color:var(--muted)}
@media(max-width:720px){.unit-intro{grid-template-columns:1fr;gap:25px;padding:55px 0 70px}.site-footer{grid-template-columns:1fr 1fr;gap:38px 25px}.footer-brand{grid-column:1/-1}.reference-head{padding:60px 0 45px}.reference-head h1{font-size:3.7rem}.reference-body>section{grid-template-columns:45px 1fr;gap:12px;padding:35px 0}.reference-body h2{font-size:1.65rem}.sitemap-grid{grid-template-columns:1fr;gap:45px;padding-bottom:75px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Compact editorial pass */
body{font-size:18px}.site-header{height:64px}.brand{font-size:1.35rem}.edition,.site-header nav a{font-size:11px}.hero{min-height:0;padding:48px 0 38px;gap:55px}.hero h1{font-size:clamp(4.4rem,8.5vw,7.4rem);margin-top:14px}.hero-aside>span{margin-bottom:30px}.hero-aside p{font-size:1.15rem}.eyebrow,.status,label>span{font-size:12px}.converter{padding:20px;margin-bottom:68px;box-shadow:3px 3px 0 var(--ink)}.converter:before{display:none}.status{padding-bottom:13px}.category-tabs{padding:13px 0}.category-tabs button{font-size:12px;padding:8px 12px}.conversion-grid label{padding:20px 16px}.conversion-grid input,.conversion-grid output{min-height:72px;margin:7px 0;font-size:clamp(3.5rem,7vw,6.2rem)}.conversion-grid select{font-size:14px;padding:10px 3px}.swap{box-shadow:none}.swap:hover{box-shadow:none;transform:none}.converter-foot{padding-top:14px;font-size:13px}.converter-foot button{font-size:12px}.unit-search{margin-top:13px;padding-top:13px}.unit-search input{font-size:15px}.category-section,.popular-section{margin-bottom:70px}.category-section{gap:55px}.category-section h2,.content-grid h2,.table-section h2,.unit-intro h2,.section-heading h2{font-size:3.1rem}.section-note{font-size:1rem;margin-top:18px}.category-list a{padding:13px 4px}.category-list strong{font-size:1.15rem}.category-list span,.category-list small{font-size:12px}.local-panels,.content-grid{margin-bottom:65px}.local-panels article,.content-grid article{min-height:140px;padding:22px}.unit-intro{gap:55px;padding:48px 0 65px}.prose-lead p{font-size:1.15rem}.page-head{padding:45px 0 30px}.page-head h1{font-size:clamp(4rem,7.5vw,6.6rem);margin-top:14px}.crumbs{font-size:12px;padding-top:22px}.unit-directory,.table-section,.related-section,.seo-explanation{margin-bottom:65px}.unit-directory span{font-size:1rem;padding:12px 6px}.content-grid article{min-height:0}.table-section h2,.related-section h2,.seo-explanation h2{font:400 2.6rem/1.05 Georgia,serif}.table-section th,.table-section td{font-size:15px;padding:11px 14px}.seo-explanation{max-width:760px}.seo-explanation p:not(.eyebrow){font-size:1.08rem;color:var(--muted)}.related-section>div{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.related-section a{display:flex;justify-content:space-between;gap:20px;padding:13px 6px;border-bottom:1px solid var(--line);text-decoration:none}.related-section a:nth-child(odd){border-right:1px solid var(--line);padding-right:16px}.related-section a:nth-child(even){padding-left:16px}.related-section a:hover strong{color:var(--orange)}.related-section span{font:12px var(--mono);color:var(--muted)}.popular-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;border-top:1px solid var(--ink);padding-top:45px}.popular-groups{display:grid;grid-template-columns:1fr 1fr;gap:28px}.popular-groups h3{margin:0;border-bottom:1px solid var(--ink);padding-bottom:10px;font:1.2rem var(--mono)}.popular-groups a{display:flex;justify-content:space-between;gap:15px;padding:10px 2px;border-bottom:1px solid var(--line);font-weight:700;text-decoration:none}.popular-groups a:hover{color:var(--orange)}.popular-groups span{font:11px var(--mono);font-weight:400;color:var(--muted)}.reference-head{padding:52px 0 38px}.reference-body{padding-bottom:65px}.reference-body>section{padding:30px 0}.reference-body section p{font-size:1.12rem}.site-footer{padding-top:36px;gap:35px}.site-footer a{font-size:13px}
@media(max-width:720px){body{font-size:17px}.hero{padding:38px 0 30px;gap:28px}.hero h1{font-size:clamp(3.6rem,18vw,4.8rem)}.hero-aside>span{margin-bottom:16px}.converter{margin-bottom:52px}.status,.eyebrow,label>span{font-size:11px}.conversion-grid input,.conversion-grid output{font-size:3.6rem}.category-section,.popular-section{grid-template-columns:1fr;gap:24px;margin-bottom:52px}.category-section h2,.unit-intro h2,.section-heading h2{font-size:2.6rem}.popular-groups{grid-template-columns:1fr}.related-section>div{grid-template-columns:1fr}.related-section a:nth-child(odd){border-right:0;padding-right:6px}.related-section a:nth-child(even){padding-left:6px}.unit-intro{padding:38px 0 52px}.page-head{padding:36px 0 24px}.page-head h1{font-size:3.7rem}.reference-head{padding:42px 0 30px}.reference-body>section{padding:25px 0}.site-footer{padding-top:30px}}
.command-bar{display:grid;grid-template-columns:.7fr 1.3fr;gap:18px 55px;margin:0 0 36px;padding:22px;border:1px solid var(--ink);background:var(--card)}.command-bar label{display:flex;flex-direction:column;justify-content:center;gap:7px}.command-bar label span{font:11px var(--mono);letter-spacing:.1em;color:var(--orange)}.command-bar label strong{font:1.25rem Georgia,serif}.command-bar>div{display:grid;grid-template-columns:1fr auto}.command-bar input{min-height:52px;border:1px solid var(--ink);background:transparent;color:var(--ink);padding:0 14px;font:1.15rem var(--mono);outline:none}.command-bar button{min-height:52px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:0 20px;font:12px var(--mono);cursor:pointer}.command-bar button:hover{background:var(--orange);border-color:var(--orange)}.command-bar>p{grid-column:2;margin:-10px 0 0;font:11px var(--mono);color:var(--muted)}.command-bar output{grid-column:2;min-height:0}.command-bar output:not(:empty){border-top:1px solid var(--line);padding-top:13px}.command-bar output a{display:flex;justify-content:space-between;gap:20px;text-decoration:none}.command-bar output strong{font:1.2rem var(--mono);color:var(--teal)}.command-bar output span{font:11px var(--mono);color:var(--muted)}.format-tools{display:flex;align-items:end;gap:10px;border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.format-tools label{flex:1}.format-tools label span{display:block;margin-bottom:6px}.format-tools select,.format-tools button{width:100%;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--ink);padding:8px 10px;font:12px var(--mono)}.format-tools button{flex:.7;cursor:pointer}.format-tools button:hover{border-color:var(--ink);background:var(--ink);color:var(--paper)}.multi-results{border-top:1px solid var(--ink);margin-top:18px;padding-top:14px}.multi-results>div{display:flex;justify-content:space-between}.multi-results>div button{border:0;background:transparent;color:var(--ink);font-size:1.4rem;cursor:pointer}.multi-results ul{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;margin:12px 0 0;padding:0;list-style:none}.multi-results li{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:10px 3px}.multi-results strong{font:1rem var(--mono)}.multi-results span{font:11px var(--mono);color:var(--muted)}.unit-sources{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:65px}.unit-sources article{border:1px solid var(--line);padding:22px}.unit-sources h2{font:400 2rem Georgia,serif}.unit-sources article>p:not(.eyebrow){color:var(--muted)}.unit-sources a{display:block;margin:18px 0 8px;font:11px var(--mono);color:var(--orange)}.unit-sources small{font:10px var(--mono);color:var(--muted)}button,select,.category-list a,.site-footer a{min-height:24px}@media(pointer:coarse){button,select,.category-tabs button,.converter-foot button{min-height:44px}}
@media(max-width:720px){.command-bar{grid-template-columns:1fr;gap:15px;margin-bottom:28px;padding:16px}.command-bar>p,.command-bar output{grid-column:1}.command-bar>p{margin:-6px 0 0}.command-bar output a{flex-direction:column;gap:4px}.format-tools{display:grid;grid-template-columns:1fr 1fr}.format-tools button{min-height:44px}.multi-results ul,.unit-sources{grid-template-columns:1fr}}

/* Editorial quality layer */
.category-guide{border-top:1px solid var(--ink);padding:50px 0 70px}.category-guide>header{display:grid;grid-template-columns:.7fr 1.3fr;gap:0 55px;margin-bottom:34px}.category-guide>header .eyebrow{grid-row:1/3}.category-guide>header h2,.faq-section h2,.contact-layout h2{font:400 2.8rem/1.05 Georgia,serif;margin-bottom:16px}.category-guide>header p:last-child{max-width:720px;color:var(--muted);font-size:1.08rem}.guide-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink);margin-bottom:55px}.guide-grid section{position:relative;padding:25px 28px 25px 48px;border-bottom:1px solid var(--line)}.guide-grid section:nth-child(odd){border-right:1px solid var(--line)}.guide-grid .article-no{position:absolute;left:4px;top:28px}.guide-grid h3,.seo-explanation h3{font:1.25rem Georgia,serif;margin:0 0 11px}.guide-grid p{margin:0;color:var(--muted);font-size:1rem}.faq-section{max-width:900px;margin:0 auto 55px}.faq-section details{border-top:1px solid var(--line)}.faq-section details:last-child{border-bottom:1px solid var(--line)}.faq-section summary{cursor:pointer;padding:17px 38px 17px 4px;font-weight:700;list-style:none;position:relative}.faq-section summary::-webkit-details-marker{display:none}.faq-section summary:after{content:"+";position:absolute;right:8px;font:1.2rem var(--mono);color:var(--orange)}.faq-section details[open] summary:after{content:"−"}.faq-section details p{max-width:760px;color:var(--muted);padding:0 4px 18px;margin:0}.review-line{display:block;border-top:1px solid var(--line);padding-top:16px;margin:0;font:11px var(--mono);color:var(--muted)}.review-line a{color:var(--orange)}.editorial-status{display:flex;justify-content:space-between;gap:20px;border:1px solid var(--line);padding:12px 15px;margin:-35px 0 55px;font:10px var(--mono);letter-spacing:.06em}.editorial-status strong{color:var(--teal)}.editorial-status span{color:var(--muted);text-align:right}.pair-guidance{margin-bottom:55px}.seo-explanation h3{margin-top:28px}.contact-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;padding:50px 0 90px}.contact-layout>div:first-child p{color:var(--muted);max-width:430px}.contact-form{border:1px solid var(--ink);background:var(--card);padding:25px;box-shadow:4px 4px 0 var(--ink)}.contact-form label{display:block;margin-bottom:17px}.contact-form label>span{display:block;margin-bottom:7px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:11px;outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--orange)}.contact-form button{width:100%;border:1px solid var(--ink);background:var(--ink);color:var(--paper);padding:13px;font:12px var(--mono);cursor:pointer}.contact-form button:hover{background:var(--orange);border-color:var(--orange)}.contact-form .errorlist{padding:0;margin:5px 0 0;list-style:none;color:var(--orange);font:11px var(--mono)}.success-message{border:1px solid var(--teal);padding:18px;margin-bottom:20px}.success-message strong{font:11px var(--mono);color:var(--teal)}.success-message p{margin:8px 0 0}.pair-guidance+.faq-section{margin-left:0}
@media(max-width:720px){.category-guide>header,.contact-layout{grid-template-columns:1fr;gap:18px}.category-guide>header .eyebrow{grid-row:auto}.guide-grid{grid-template-columns:1fr}.guide-grid section:nth-child(odd){border-right:0}.category-guide>header h2,.faq-section h2,.contact-layout h2{font-size:2.35rem}.editorial-status{align-items:flex-start;flex-direction:column;margin-top:-20px}.editorial-status span{text-align:left}.contact-layout{padding:35px 0 65px}.contact-form{padding:17px;box-shadow:3px 3px 0 var(--ink)}}

/* Product-quality controls */
.ready.unavailable{color:var(--orange)}.ready.unavailable i{background:var(--orange);box-shadow:none}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding-bottom:11px;margin-bottom:4px}.panel-head .eyebrow{margin:0}.panel-head button,.local-panels article p button{border:0;background:transparent;color:var(--muted);font:10px var(--mono);cursor:pointer}.panel-head button:hover,.local-panels article p button:hover{color:var(--orange)}.local-panels article>div[id] p{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0;border-top:0;border-bottom:1px solid var(--line);padding:10px 0}.local-panels article>div[id] p a{overflow-wrap:anywhere}.unit-search-results{border:1px solid var(--ink);border-top:0;background:var(--paper);margin-bottom:14px}.unit-search-results>div{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;padding:9px 11px;border-top:1px solid var(--line)}.unit-search-results>div:first-child{border-top:0}.unit-search-results strong{font-size:.9rem}.unit-search-results button{border:1px solid var(--line);background:transparent;color:var(--ink);padding:6px 8px;font:9px var(--mono);cursor:pointer}.unit-search-results button:hover{background:var(--ink);color:var(--paper)}.currency-chart{display:grid;grid-template-columns:.7fr 1.3fr;gap:55px;border-top:1px solid var(--ink);padding:45px 0 70px;margin-bottom:20px}.currency-chart h2{font:400 2.6rem/1.05 Georgia,serif}.currency-chart>div:first-child>p:last-child{color:var(--muted);max-width:340px}.currency-chart canvas{display:block;width:100%;height:260px;border:1px solid var(--line);background:var(--card)}.chart-summary{margin-top:10px;font:11px var(--mono);color:var(--muted)}.error-page{min-height:68vh;display:flex;flex-direction:column;justify-content:center;max-width:900px;padding:70px 0}.error-page h1{font-size:clamp(4rem,9vw,7.4rem);line-height:.87;letter-spacing:-.07em;margin:18px 0 28px}.error-page>p:not(.eyebrow){max-width:620px;color:var(--muted);font-size:1.12rem}.error-page>div{display:flex;gap:12px;margin-top:20px}.error-page a{border:1px solid var(--ink);padding:12px 16px;text-decoration:none;font:11px var(--mono)}.error-page .error-primary{background:var(--ink);color:var(--paper)}.error-page a:hover{background:var(--orange);border-color:var(--orange);color:white}.maintenance-page h1{color:var(--orange)}
@media(max-width:720px){.unit-search-results>div{grid-template-columns:1fr 1fr}.unit-search-results strong{grid-column:1/-1}.currency-chart{grid-template-columns:1fr;gap:20px;padding:35px 0 50px}.currency-chart canvas{height:210px}.error-page h1{font-size:4rem}.error-page>div{align-items:flex-start;flex-direction:column}}

/* Convertor4U identity */
.brand{letter-spacing:-.07em}.brand span{display:inline-block;margin-left:.12em;padding:.02em .2em;background:var(--orange);color:#fff;letter-spacing:-.05em}.hero-primary{position:relative}.hero-primary:after{content:"4U";position:absolute;right:2%;bottom:-.18em;z-index:-1;font:700 clamp(7rem,18vw,14rem)/1 var(--mono);letter-spacing:-.12em;color:color-mix(in srgb,var(--line),transparent 58%)}.hero .eyebrow{color:var(--orange)}
@media(max-width:720px){.brand{font-size:1.15rem}.hero-primary:after{right:0;bottom:-.08em;font-size:8rem;opacity:.65}}