:root{--paper:#f5f4ee;--white:#fffefa;--ink:#17251d;--muted:#5c675f;--line:#d5d9cd;--green:#2e583c;--lime:#d1ed8b;--soft:#e9ede1;--max:1240px;--radius:4px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #648b2c;outline-offset:5px}img{display:block;max-width:100%;height:auto}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}[hidden]{display:none!important}.wrap{width:min(var(--max),calc(100% - 72px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-100px;background:var(--lime);z-index:100;padding:10px 20px}.skip-link:focus{top:12px}.site-header{background:var(--ink);color:var(--white);border-bottom:1px solid #ffffff20;position:relative;z-index:20}.header-inner{display:flex;align-items:center;min-height:88px;gap:40px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;line-height:1.05;flex-shrink:0}.brand-icon{width:34px;height:42px;color:var(--lime)}.brand-text{font-size:20px;font-weight:850;letter-spacing:2px}.brand-text small{display:block;font-size:9px;letter-spacing:2.8px;font-weight:500;margin-top:7px}.main-nav{display:flex;align-items:center;gap:31px;margin-left:auto;font-size:13px;font-weight:600}.main-nav a{text-decoration:none;padding-block:8px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--lime);border-color:var(--lime)}.nav-play{font-size:11px;text-transform:uppercase;letter-spacing:1.3px;white-space:nowrap}.menu-toggle{display:none;background:transparent;color:var(--white);border:1px solid #ffffff50;border-radius:3px;padding:6px 12px}.edition-line{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}.eyebrow{font-size:11px;line-height:1.5;text-transform:uppercase;letter-spacing:2.1px;font-weight:750;color:var(--green);margin:0 0 17px}.eyebrow.light{color:var(--lime)}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.08}h1{font-size:clamp(42px,5.3vw,76px);letter-spacing:-3.8px;font-weight:850;margin-bottom:24px}h2{font-size:clamp(28px,3vw,40px);letter-spacing:-1.5px;margin-bottom:20px}h3{font-size:22px;letter-spacing:-.6px;margin-bottom:12px}.lede{font-size:18px;line-height:1.7;color:var(--muted);max-width:570px}.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:48px;padding:11px 21px;background:var(--ink);color:var(--white);border:1px solid var(--ink);border-radius:var(--radius);font-size:13px;font-weight:700;text-decoration:none;line-height:1.5;transition:background .15s,transform .15s}.button:hover{background:var(--green);transform:translateY(-1px)}.button-secondary{background:transparent;color:var(--ink);border-color:#97a390}.button-secondary:hover{background:var(--soft);color:var(--ink)}.button-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}.button-lime:hover{background:#e1f6b1;color:var(--ink)}.text-link{font-size:13px;font-weight:700}.arrow{font-size:21px;line-height:1;font-weight:400}.hero{display:grid;grid-template-columns:.9fr 1.15fr;gap:64px;align-items:center;padding:52px 0 54px}.hero h1 span{display:block}.hero-copy .lede{font-size:16px;margin-bottom:25px}.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.hero-figure{margin:0;position:relative}.hero-image-wrap{background:var(--green);aspect-ratio:16/10;overflow:hidden;position:relative;border-radius:var(--radius)}.hero-image-wrap img{width:100%;height:100%;object-fit:cover}.image-stamp{position:absolute;left:18px;top:18px;background:var(--paper);padding:7px 11px;font-size:9px;font-weight:750;letter-spacing:1.6px;box-shadow:0 1px 3px #0002}.hero-figure figcaption{font-size:10px;color:var(--muted);display:flex;justify-content:space-between;gap:12px;margin-top:10px}.quick-route{display:grid;grid-template-columns:150px repeat(3,1fr);border-block:1px solid var(--line);margin-bottom:68px}.route-label{font-size:10px;letter-spacing:1.6px;font-weight:750;text-transform:uppercase;display:flex;align-items:center}.route{display:flex;align-items:center;gap:14px;padding:22px;border-left:1px solid var(--line);text-decoration:none;font-size:13px;font-weight:650}.route .route-no{font:12px/1.3 ui-monospace,SFMono-Regular,monospace;color:#829477}.route .arrow{margin-left:auto}.route:hover{background:var(--soft)}.section-top{display:flex;justify-content:space-between;gap:32px;align-items:end;margin-bottom:27px}.section-top h2{margin:0}.section-top .eyebrow{margin-bottom:10px}.search-wrap{display:flex;align-items:center;gap:10px;border-bottom:1px solid #788473;max-width:330px;width:100%}.search-wrap input{width:100%;min-width:0;border:0;background:transparent;color:var(--ink);padding:10px 0;font-size:13px;outline-offset:0}.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start}.guide-list{border-top:1px solid var(--ink)}.guide-row{display:grid;grid-template-columns:42px minmax(0,1fr) 32px;gap:12px;align-items:start;padding:29px 0;border-bottom:1px solid var(--line);text-decoration:none}.guide-row:hover h3{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.guide-index{font:13px/1.7 ui-monospace,SFMono-Regular,monospace;color:var(--green);padding-top:5px}.guide-row h3{font-size:26px;line-height:1.2;margin-bottom:8px}.guide-row p{font-size:14px;color:var(--muted);margin-bottom:12px;max-width:560px}.guide-meta{font-size:9px;letter-spacing:1.3px;text-transform:uppercase;color:var(--green)}.guide-row>.arrow{align-self:center}.desk-note{background:var(--soft);border-top:4px solid var(--green);padding:25px 24px;margin-bottom:24px}.desk-note h3{font:500 28px/1.15 Georgia,serif;letter-spacing:-.6px}.desk-note p{font-size:13px;line-height:1.75;color:#4c5b4e}.desk-note a{font-size:12px;font-weight:700}.mini-facts{font-size:12px}.mini-facts div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.mini-facts dt{color:var(--muted)}.mini-facts dd{margin:0;text-align:right;font-weight:600}.tool-feature{margin:66px 0 64px;display:grid;grid-template-columns:1.05fr 1fr;gap:48px;padding:42px;background:var(--ink);color:var(--white);border-radius:var(--radius);overflow:hidden}.tool-feature h2{font-size:40px;max-width:520px}.tool-feature p{color:#c4ccbf;font-size:14px;max-width:480px}.comparison-preview{align-self:center;position:relative;border:1px solid #ffffff30;border-radius:4px;padding:23px 25px;background:#213127}.comparison-preview .mini-label{color:#bbcab1;font-size:10px;letter-spacing:1.4px;text-transform:uppercase}.sample-row{display:grid;grid-template-columns:85px 1fr 70px;gap:14px;align-items:center;font-size:11px;margin:20px 0}.sample-bar{height:10px;background:#ffffff15;border-radius:2px;overflow:hidden}.sample-bar i{display:block;height:100%;background:var(--lime);border-radius:2px}.sample-row.second .sample-bar i{background:#90a783}.sample-row strong{text-align:right;font-size:12px;font-weight:500}.preview-foot{border-top:1px solid #ffffff24;padding-top:16px;font-size:10px;color:#bac8b4}.method-strip{display:grid;grid-template-columns:1fr 2fr;gap:70px;border-top:1px solid var(--line);padding:36px 0 54px}.method-strip h3{font:500 29px/1.2 Georgia,serif}.method-strip p{font-size:14px;color:var(--muted);margin-bottom:12px}.site-footer{background:#e9ece2;border-top:1px solid var(--line);padding:36px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:36px}.footer-top .brand-text{font-size:16px}.footer-top .brand-icon{height:33px;width:27px;color:var(--green)}.footer-nav{display:flex;gap:22px;font-size:12px;flex-wrap:wrap}.footer-note{font-size:10px;color:var(--muted);max-width:720px;margin:24px 0 0}.breadcrumb{display:flex;gap:10px;font-size:11px;color:var(--muted);padding:24px 0}.breadcrumb a{text-decoration:none}.article-head{max-width:900px;padding:28px 0 37px}.article-head h1{font-size:clamp(40px,5vw,66px);letter-spacing:-2.8px;line-height:1.06;max-width:850px}.article-head .lede{max-width:760px;font-size:18px}.byline{display:flex;gap:17px;flex-wrap:wrap;font-size:10px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);margin-top:23px}.article-layout{display:grid;grid-template-columns:200px minmax(0,760px);gap:70px;padding-bottom:60px;align-items:start}.article-toc{position:sticky;top:30px;border-top:2px solid var(--green);padding-top:17px}.article-toc p{font-size:10px;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;margin-bottom:10px}.article-toc a{display:block;font-size:12px;color:var(--muted);padding:9px 0;text-decoration:none;line-height:1.45}.article-toc a:hover{color:var(--green);text-decoration:underline}.article-toc .toc-tool{border-top:1px solid var(--line);margin-top:18px;padding-top:17px;color:var(--green);font-weight:700}.article-body{min-width:0}.article-body h2{font-size:30px;letter-spacing:-1px;margin-top:40px;margin-bottom:18px;scroll-margin-top:30px}.article-body section:first-child h2{margin-top:0}.article-body p,.article-body li{font-size:16px;line-height:1.85}.article-body p{margin-bottom:20px}.article-body ul,.article-body ol{padding-left:23px;margin:18px 0 27px}.article-body li{padding-left:4px;margin-bottom:13px}.article-body strong{font-weight:700}.source-marker{font-size:10px;margin-left:5px;font-weight:700;white-space:nowrap}.source-marker a{text-decoration:none;background:var(--soft);padding:1px 5px;border-radius:2px;color:var(--green)}.article-callout{background:var(--soft);border-left:3px solid var(--green);padding:23px 26px;margin:30px 0}.article-callout h3{font-size:20px}.article-callout p{font-size:14px;margin-bottom:10px}.article-callout p:last-child{margin:0}.source-list{border-top:1px solid var(--line);margin-top:40px;padding-top:24px}.source-list h2{font-size:22px;margin-top:0}.source-list li{font-size:12px;line-height:1.7}.source-list small{display:block;color:var(--muted)}.related{border-top:1px solid var(--line);padding:35px 0 55px;display:grid;grid-template-columns:1fr 1fr;gap:25px}.related a{text-decoration:none;border:1px solid var(--line);padding:24px}.related a:hover{background:var(--soft)}.related small{display:block;font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);margin-bottom:9px}.related strong{font-size:19px;line-height:1.4}.tool-page{padding-bottom:64px}.tool-intro{max-width:840px}.planner-shell{border:1px solid var(--line);background:var(--white);padding:34px;margin-bottom:45px;border-radius:4px}.planner-shell h2{font-size:26px}.planner-shell h3{font-size:21px}.planner-shell p{font-size:13px;color:var(--muted)}.planner-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:19px;min-width:0}.field label,.field>span{font-size:12px;font-weight:650}.field small,.field .hint{font-size:11px;line-height:1.5;color:var(--muted)}.input,.planner-shell input,.planner-shell select{width:100%;border:1px solid #acb6a6;background:#fff;padding:11px 12px;border-radius:3px;font-size:15px;color:var(--ink);min-width:0}.planner-shell fieldset{border:1px solid var(--line);margin:0 0 25px;padding:22px;border-radius:3px;min-width:0}.planner-shell legend{padding:0 8px;font-size:13px;font-weight:750}.planner-shell .button{margin:0 8px 10px 0}.planner-actions,.form-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}.form-error{color:#a22e1d!important;background:#fff0e9;padding:12px 16px;border-left:3px solid #a22e1d;font-size:13px}.result-panel{margin-top:28px;border:1px solid #a9bb8b;background:#f1f6e7;padding:25px}.result-row{padding:15px 0;border-bottom:1px solid #c9d3bc}.result-row:last-child{border-bottom:0}.result-row h3{font-size:18px}.result-panel dl{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;font-size:13px}.result-panel dd{margin:0;font-weight:700}.result-panel table{width:100%;border-collapse:collapse;font-size:13px}.result-panel th,.result-panel td{padding:10px 12px;text-align:left;border-bottom:1px solid #c9d3bc}.result-panel td:first-child,.result-panel th:first-child{padding-left:0}.result-panel output{font-size:22px}.tool-notes{display:grid;grid-template-columns:1fr 1fr;gap:45px}.tool-notes h2{font-size:26px}.tool-notes p,.tool-notes li{font-size:14px;color:var(--muted)}.tool-notes ol{padding-left:20px}.tool-notes li{padding-left:5px;margin-bottom:10px}.formula{font:13px/1.8 ui-monospace,SFMono-Regular,monospace;background:var(--soft);padding:20px;overflow-wrap:anywhere}details{border-bottom:1px solid var(--line);padding:18px 0}summary{font-size:15px;font-weight:650;cursor:pointer}details p{font-size:14px;margin:12px 0 0}.empty-state{padding:24px;font-size:14px;background:var(--soft)}.note-label{font-size:10px;letter-spacing:1.3px;text-transform:uppercase;font-weight:700}.review-table{width:100%;border-collapse:collapse;font-size:13px;margin:24px 0}.review-table th,.review-table td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.review-table th{background:var(--soft);font-weight:650}.table-scroll{overflow-x:auto}.source-entry{padding:25px 0;border-bottom:1px solid var(--line)}.source-entry h2{font-size:25px;margin:0 0 10px}.source-entry p{font-size:14px;margin-bottom:8px}.source-entry a{overflow-wrap:anywhere}.content-slim{max-width:780px;padding-bottom:70px}.content-slim h2{font-size:28px;margin-top:34px}.content-slim p{font-size:15px;line-height:1.9}.content-slim li{margin-bottom:12px}.no-js{background:var(--soft);padding:16px;font-size:13px}.reading-rule{height:3px;background:var(--green);width:54px;margin-bottom:28px}
.review-table caption{text-align:left;font-size:12px;color:var(--muted);line-height:1.6;padding-bottom:12px}.review-table tbody th{background:transparent;font-weight:650;width:26%}.article-body .checkpoint-list{list-style:none;padding:0;counter-reset:checkpoint;margin-top:24px}.checkpoint-list>li{counter-increment:checkpoint;position:relative;padding:24px 0 24px 48px;margin:0;border-top:1px solid var(--line)}.checkpoint-list>li:before{content:counter(checkpoint,decimal-leading-zero);position:absolute;left:0;top:24px;font:14px/1.6 ui-monospace,monospace;color:var(--green)}.checkpoint-list h3{font-size:21px;line-height:1.35;letter-spacing:-.4px;margin-bottom:10px}.article-body .checkpoint-list p{font-size:15px;line-height:1.8;margin-bottom:12px}.article-body .checkpoint-list .checkpoint-done{background:var(--soft);padding:11px 15px;font-size:13px;margin:0}.checkpoint-done strong{color:var(--green)}
@media(min-width:1500px){.hero{gap:80px}.hero-image-wrap{aspect-ratio:1.6}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.hero{gap:32px}.hero h1{font-size:58px}.header-inner{gap:25px}.main-nav{gap:21px}.nav-play{display:none}.quick-route{grid-template-columns:100px repeat(3,1fr)}.route{padding:17px 14px}.guide-layout{grid-template-columns:minmax(0,1fr) 260px;gap:28px}.tool-feature{padding:32px;gap:28px}.article-layout{gap:40px;grid-template-columns:170px minmax(0,1fr)}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.header-inner{min-height:74px;flex-wrap:wrap;gap:0;padding-block:15px}.brand-text{font-size:17px}.brand-text small{font-size:8px}.brand-icon{width:28px;height:35px}.menu-toggle{display:block;margin-left:auto}.main-nav{display:none;width:100%;flex-wrap:wrap;gap:12px 23px;margin-top:20px;padding-bottom:5px}.main-nav.is-open{display:flex}.edition-line{font-size:8px;letter-spacing:1px}.edition-line span:last-child{display:none}.hero{grid-template-columns:1fr;padding:32px 0;gap:28px}.hero h1{font-size:53px;letter-spacing:-2.9px;margin-bottom:18px}.hero h1 span{display:inline}.hero .eyebrow{font-size:10px;margin-bottom:13px}.hero-copy .lede{font-size:15px}.hero-actions{gap:22px}.hero-image-wrap{aspect-ratio:16/9}.hero-figure figcaption{font-size:9px}.quick-route{grid-template-columns:1fr;margin-bottom:43px}.route-label{padding:15px 0 10px;font-size:9px}.route{border-left:0;border-top:1px solid var(--line);padding:14px 0;font-size:12px}.section-top{align-items:start;gap:20px;flex-direction:column}.search-wrap{max-width:none}.guide-layout{grid-template-columns:1fr;gap:28px}.guide-row{grid-template-columns:30px minmax(0,1fr) 20px;gap:9px;padding:24px 0}.guide-row h3{font-size:23px}.guide-row p{font-size:13px}.desk-note{margin:0}.mini-facts{display:none}.tool-feature{grid-template-columns:1fr;gap:27px;padding:27px 22px;margin:38px 0}.tool-feature h2{font-size:34px}.comparison-preview{padding:20px}.sample-row{grid-template-columns:74px 1fr 59px;gap:10px}.method-strip{grid-template-columns:1fr;gap:6px;padding:27px 0 36px}.footer-top{flex-direction:column;gap:24px}.footer-nav{gap:17px;font-size:11px}.footer-note{font-size:9px}.article-head{padding-top:18px;padding-bottom:25px}.article-head h1{font-size:43px;letter-spacing:-2px}.article-head .lede{font-size:16px}.article-layout{grid-template-columns:1fr;gap:30px;padding-bottom:32px}.article-toc{position:static;padding:17px 20px;border:1px solid var(--line);background:var(--soft)}.article-toc a{font-size:12px;padding:7px 0}.article-toc .toc-tool{display:none}.article-body h2{font-size:27px;margin-top:34px}.article-body p,.article-body li{font-size:15px}.article-callout{padding:20px}.related{grid-template-columns:1fr;padding-top:25px;gap:14px}.related a{padding:20px}.planner-shell{padding:21px 16px}.planner-grid{grid-template-columns:1fr;gap:0}.planner-shell fieldset{padding:18px 14px}.planner-shell .button{min-height:47px}.result-panel{padding:19px 14px;overflow-x:auto}.result-panel table{font-size:12px}.result-panel th,.result-panel td{padding:9px 6px}.tool-notes{grid-template-columns:1fr;gap:20px}.review-table{font-size:12px}.review-table td,.review-table th{padding:11px 9px}.content-slim{padding-bottom:45px}.breadcrumb{font-size:10px;padding-block:20px}.article-head .eyebrow{font-size:10px}.byline{font-size:9px;gap:10px}.button{padding-inline:18px}}
.result-row{display:flex;align-items:baseline;justify-content:space-between;gap:18px}.result-row>span{color:var(--muted);font-size:13px}.result-row>strong{text-align:right;font-size:14px}.result-panel h3{margin-top:27px;padding-top:20px;border-top:1px solid #bdcdaa}.result-panel h3:first-child{margin-top:0;border-top:0;padding-top:0}.result-panel h4{margin-top:25px;font-size:16px}.result-panel>p{font-size:14px}.planner-shell .result-panel p{color:var(--ink)}

@media(max-width:480px){.result-row{gap:14px}.result-row>span{font-size:12px}.result-row>strong{font-size:12px;max-width:60%;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{.site-header,.site-footer,.article-toc,.hero-actions,.quick-route,.related,.planner-actions,.form-actions,.menu-toggle,.breadcrumb{display:none}.wrap{width:100%}body{background:#fff;color:#000;font-size:11pt}.article-layout{display:block}.article-body h2{break-after:avoid}.article-body p,.article-body li{font-size:11pt}.tool-feature{background:white;color:black}.result-panel{break-inside:avoid}.article-head h1{font-size:30pt}.planner-shell{border:0;padding:0}.tool-notes{display:block}a{text-decoration:none}}