@charset "UTF-8";
:root{--ink:#213c32;--muted:#68756e;--green:#164c3a;--lime:#d9efab;--paper:#f7f8f2;--border:#e1e6db;--white:#fff;--radius:18px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility}
*{box-sizing:border-box}body{margin:0}a{color:inherit}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #7e9f48;outline-offset:4px}button{color:var(--ink)}[hidden]{display:none!important}.skip{position:fixed;left:12px;top:-100px;background:white;padding:14px;z-index:20}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--border);background:#fcfcf8}.header-inner{max-width:1260px;margin:auto;padding:24px 40px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;gap:11px;align-items:center;font-size:24px;font-weight:700;letter-spacing:-1px;text-decoration:none;line-height:1.05}.brand-icon{display:grid;place-items:center;background:var(--green);color:var(--lime);border-radius:11px;width:43px;height:43px;font-size:29px;font-weight:500}.brand-by{display:block;color:var(--muted);font-size:10px;letter-spacing:1.4px;font-weight:400;margin-top:5px}.header-inner nav{display:flex;gap:32px;font-size:13px}.header-inner nav a{text-decoration:none}.header-inner nav span{margin-left:10px}.header-inner nav a:hover{color:#437950}.layout{max-width:1260px;padding:0 40px;margin:0 auto}.breadcrumbs{font-size:11px;color:var(--muted);padding:25px 0}.breadcrumbs ol{list-style:none;display:flex;gap:10px;margin:0;padding:0;flex-wrap:wrap}.breadcrumbs li+li:before{content:'/';margin-right:10px;color:#aab0a6}.breadcrumbs a{text-decoration:none}.workspace{display:grid;grid-template-columns:230px minmax(0,1fr);gap:55px}.eyebrow{font-size:10px;letter-spacing:1.5px;font-weight:700;color:var(--muted);line-height:1.5}.tool-nav{padding-top:15px}.tool-nav>.eyebrow{font-size:9px;letter-spacing:1.3px;margin:0 0 18px 13px}.tool-nav nav{display:flex;flex-direction:column;gap:5px}.tool-nav nav a{position:relative;display:flex;align-items:center;gap:13px;padding:13px 12px;border-radius:9px;font-size:12px;text-decoration:none;line-height:1.35}.tool-nav nav a>span{width:18px;text-align:center;font-size:19px;font-weight:400;color:#74816c}.tool-nav nav a[aria-current]{background:#e9efdd;color:#284e38;font-weight:700}.tool-nav nav a[aria-current]>span{color:var(--green)}.tool-nav nav a:hover{background:#eef1e8}.tool-nav nav b{margin-left:auto;font-size:15px}.sidebar-note{border-top:1px solid var(--border);margin:29px 12px 0;padding-top:23px;color:var(--muted)}.sidebar-note>span{display:block;color:#718652;font-size:26px;margin-bottom:12px}.sidebar-note strong{font-size:12px;color:var(--ink)}.sidebar-note p{font-size:12px;line-height:1.7;max-width:180px}.tool-main{max-width:785px}.intro{padding:8px 0 27px}.intro .eyebrow{display:flex;gap:9px;align-items:center;font-size:9px;letter-spacing:1.5px}.dot{display:inline-block;width:6px;height:6px;flex:0 0 6px;border-radius:100%;background:#658e4c}h1{font-size:48px;line-height:1.08;font-weight:500;letter-spacing:-2px;margin:20px 0 18px;max-width:760px}h1 em{font-style:normal;color:#6b8351}.intro>p:last-child{font-size:14px;line-height:1.75;color:var(--muted);margin-bottom:0}h2{font-weight:500;letter-spacing:-.5px;font-size:25px;line-height:1.25}h3{font-weight:500}.calculator-card{background:white;border:1px solid #dce3d6;border-radius:var(--radius);padding:28px 30px 17px;box-shadow:0 7px 20px #263e2410}.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:27px}.card-top h2{font-size:19px;letter-spacing:-.45px;margin:0}.live{display:flex;gap:6px;align-items:center;white-space:nowrap;background:#f2f6e9;border:1px solid #e5ecd7;padding:6px 9px;font-size:9px;border-radius:20px;color:#54753b}.live .dot{width:5px;height:5px;flex-basis:5px}.input-row{display:flex;align-items:flex-end;gap:16px}.field{min-width:0;flex:1}.field label{display:block;font-size:11px;margin-bottom:9px;color:#536057}.input-wrap{position:relative}.field input{width:100%;height:65px;border:1px solid #d7dece;background:#fcfdf9;border-radius:9px;padding:12px 40px 12px 17px;font-size:27px;letter-spacing:-.4px;color:var(--ink)}.field input:focus{border-color:#7c9e58;background:white}.field input[aria-invalid=true]{border-color:#ac5740}.input-unit{position:absolute;right:17px;top:23px;font-size:18px;color:#8f9986;pointer-events:none}.input-join{height:65px;display:flex;align-items:center;font-size:16px;color:#7d8875}.input-help{font-size:10px;color:var(--muted);margin:12px 0 22px;line-height:1.5}.answer-box{background:#f0f5e5;border:1px solid #e2e9d5;border-radius:11px;padding:19px 23px 14px;min-height:149px}.result-row{display:flex;flex-direction:column;gap:8px}.result-row>span{font-size:11px;color:#5b6e4f}.result-row strong{display:block;font-size:48px;line-height:1.1;font-weight:500;letter-spacing:-1.8px;overflow-wrap:anywhere}.result-row+.result-row{margin-top:15px;border-top:1px solid #dbe3cf;padding-top:13px;flex-direction:row;justify-content:space-between;align-items:center;gap:15px}.result-row+.result-row strong{font-size:22px;letter-spacing:-.5px}.answer-caption{font-size:9px;color:#6b7c5a;border-top:1px solid #dfe7d1;margin-top:18px;padding-top:12px;line-height:1.5}.answer-caption span{padding-right:4px}.error{color:#923824;line-height:1.6;font-size:13px;margin:0}.error:empty{display:none}.actions{display:flex;justify-content:space-between;align-items:center;margin-top:18px;gap:10px}.actions>div{display:flex;gap:8px}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:11px 16px;border-radius:7px;border:1px solid var(--border);background:white;font-size:11px;min-height:39px;text-decoration:none;line-height:1.4}.button.primary{background:var(--green);border-color:var(--green);color:white}.button.primary:hover{background:#226149}.button.plain{border-color:transparent;background:transparent;padding:9px 10px;color:#66725f}.button:hover{background:#eef2e8}.copy-status{font-size:11px;margin:6px 0 0;min-height:13px;color:#4c6f38}.examples{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:18px 0;font-size:10px}.examples>span{color:var(--muted);margin-right:3px}.examples button{font-size:10px;background:#fcfcf9;border:1px solid var(--border);border-radius:6px;padding:7px 10px}.examples button:hover{background:#e9efdd}.examples button span{color:#7c8c6a;margin-left:8px}.trust-strip{display:flex;gap:25px;justify-content:center;padding:15px 0 25px;border-bottom:1px solid var(--border);color:#6c7866;font-size:10px;flex-wrap:wrap}.explanation{padding-top:30px}.explanation>.eyebrow{font-size:9px;margin-bottom:10px}.explanation h2{margin:0 0 14px}.explanation p{font-size:13px;line-height:1.8;color:var(--muted)}.formula{padding:20px;border:1px solid var(--border);border-radius:10px;background:#fafbf7;margin:20px 0}.formula>span{display:block;font-size:8px;letter-spacing:1.2px;color:#7e8b72;margin-bottom:10px}.formula code{font-family:Consolas,monospace;color:#40593a;font-size:12px;line-height:1.7}.worked-example strong{color:var(--ink);font-weight:500;margin-right:7px}.explanation .precision{font-size:10px;line-height:1.7;color:#75806d}.faq{margin-top:32px}.faq h2{font-size:23px;margin-bottom:13px}.faq details{border-bottom:1px solid var(--border);padding:18px 0}.faq summary{font-size:13px;cursor:pointer;line-height:1.5;padding-right:15px}.faq details p{font-size:12px;color:var(--muted);line-height:1.8;margin:14px 20px 0 0}.all-tools{border-top:1px solid var(--border);margin-top:58px;padding-top:30px;padding-bottom:65px;scroll-margin-top:20px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px}.section-heading h2{margin:8px 0 0;font-size:27px}.section-heading>p{font-size:11px;color:var(--muted);margin:0 0 4px}.tool-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.tool-tile{position:relative;display:block;border:1px solid var(--border);border-radius:12px;padding:20px 16px;background:#fcfcf9;text-decoration:none;transition:transform .15s,border-color .15s}.tool-tile:hover{border-color:#8fa779;transform:translateY(-2px)}.tile-icon{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:8px;background:#edf1e3;color:#5e7949;font-size:22px}.tool-tile h3{font-size:12px;line-height:1.45;margin:14px 0 7px}.tool-tile p{font-size:9px;color:var(--muted);line-height:1.5;margin:0}.tile-arrow{position:absolute;right:15px;top:24px;font-size:13px;color:#7a8b6e}footer{border-top:1px solid var(--border);background:#f0f2e9}.footer-inner{max-width:1260px;margin:auto;padding:35px 40px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:25px}.footer-brand{font-size:21px}.footer-brand .brand-icon{width:36px;height:36px;border-radius:9px;font-size:25px}.footer-brand .brand-by{font-size:8px}.footer-inner>div>p{font-size:11px;color:var(--muted);margin-top:16px}.footer-links{display:flex;align-items:flex-start;justify-content:flex-end;gap:22px;flex-wrap:wrap;padding-top:10px}.footer-links a,.footer-links button{font-size:10px;color:var(--muted);text-decoration:none}.footer-links button{border:0;background:none;padding:0}.footer-links a:hover,.footer-links button:hover{text-decoration:underline}.copyright{border-top:1px solid #dce2d3;width:100%;font-size:9px;color:#7d8874;margin:0;padding-top:20px}.legal{max-width:750px;margin:25px auto 80px;min-height:45vh}.legal h1{font-size:43px;margin-top:18px}.legal h2{font-size:23px;margin-top:30px}.legal p{font-size:14px;color:#5d6a60;line-height:1.85}.legal a{color:var(--green);text-underline-offset:3px}.legal .legal-date{font-size:11px;margin:20px 0 30px}.legal code{overflow-wrap:anywhere}.preferences{position:fixed;z-index:10;bottom:20px;right:20px;background:white;box-shadow:0 10px 50px #123b3233;border:1px solid var(--border);border-radius:14px;padding:24px;width:min(460px,calc(100% - 40px))}.preferences h2{font-size:21px;margin:0 0 10px}.preferences p{font-size:12px;line-height:1.7;color:var(--muted)}.preferences>div{display:flex;gap:10px;flex-wrap:wrap}.ad{text-align:center;margin:24px 0;overflow:hidden}.ad small{display:block;font-size:9px;color:var(--muted);margin-bottom:6px}.ad-sidebar{min-width:0}
@media(min-width:1400px){.workspace{gap:70px}.intro{padding-bottom:32px}h1{font-size:54px}}
@media(max-width:1050px){.workspace{grid-template-columns:200px minmax(0,1fr);gap:30px}.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.section-heading>p{max-width:160px;line-height:1.6}.card-top h2{font-size:17px}.trust-strip{gap:15px}.calculator-card{padding:25px 22px 14px}.tool-nav nav a{font-size:11px;gap:8px}.layout,.header-inner{padding-left:28px;padding-right:28px}.card-top{flex-wrap:wrap}}
@media(max-width:760px){.workspace{grid-template-columns:minmax(0,1fr);gap:0}.tool-nav{display:none}.header-inner{padding:20px}.layout{padding:0 20px}.header-inner nav{gap:20px;font-size:11px}.brand{font-size:21px}.brand-icon{width:36px;height:36px;font-size:25px}.brand-by{font-size:8px}.breadcrumbs{padding:19px 0}.intro{padding-top:0}.intro .eyebrow{font-size:8px}h1{font-size:43px;letter-spacing:-1.8px}.intro>p:last-child{font-size:13px}.tool-main{max-width:none}.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{display:block}.section-heading h2{font-size:25px}.section-heading>p{max-width:none;margin-top:12px}.footer-inner{padding:30px 20px 20px}.footer-links{gap:18px;justify-content:flex-start}.all-tools{margin-top:40px;padding-bottom:40px}.ad-sidebar{display:none}.legal{margin-top:12px}.legal h1{font-size:36px}.preferences{bottom:12px;right:12px;width:calc(100% - 24px)}}
@media(max-width:390px){.header-inner nav{gap:12px;font-size:10px}.header-inner,.layout{padding-left:15px;padding-right:15px}.calculator-card{padding:21px 17px 12px}.input-row{gap:10px}.field input{font-size:23px;padding-left:12px;height:60px}.input-join{height:60px}.actions .button{font-size:10px;padding:10px}.actions>div{gap:0}.trust-strip{font-size:9px;gap:10px}.answer-box{padding:17px}.result-row strong{font-size:43px}.card-top{gap:10px}.card-top h2{font-size:17px}.tool-tile{padding:16px 12px}.tile-arrow{right:12px;top:21px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* Language selection remains available without JavaScript. */
.header-inner{gap:24px;flex-wrap:wrap}.header-inner>nav{margin-left:auto}.language-picker{position:relative;font-size:11px;z-index:5}.language-picker>summary{cursor:pointer;padding:12px 0;line-height:1.5}.language-picker>nav{position:absolute;right:0;top:100%;min-width:170px;display:flex;flex-direction:column;gap:0;background:#fff;border:1px solid var(--border);border-radius:10px;padding:6px;box-shadow:0 8px 24px #164c3a22}.language-picker a{padding:10px;text-decoration:none;border-radius:5px}.language-picker a:hover,.language-picker a[aria-current]{background:#e9efdd}.field label{line-height:1.5}.actions{flex-wrap:wrap}.actions>div{flex-wrap:wrap}.card-top h2{overflow-wrap:anywhere}.tool-nav nav a{overflow-wrap:anywhere}
@media(max-width:760px){.header-inner{gap:10px 16px}.header-inner>nav{max-width:52%;justify-content:flex-end;flex-wrap:wrap;gap:8px 16px}.language-picker{margin-left:auto}.language-picker>summary{padding:6px 0}.intro .eyebrow{letter-spacing:1px}.trust-strip{line-height:1.7}.field label{min-height:33px}.button{font-size:11px}.actions{gap:8px}.tool-tile h3{overflow-wrap:anywhere}}