:root{--ink:#173b3b;--muted:#5c6d68;--paper:#f8f9f3;--white:#fff;--line:#dce3d9;--lime:#d8ed9d;--blue:#375dcc;--soft:#edf1e9;--radius:16px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}a:hover{text-decoration:underline;text-underline-offset:4px}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}img{max-width:100%;display:block}button{border:0}.wrap{max-width:1220px;padding:0 32px;margin:auto}.skip{position:absolute;top:-70px;left:20px;background:var(--ink);color:white;padding:10px;z-index:100}.skip:focus{top:10px}.topline{height:32px;background:var(--ink);color:#e9eedf;font-size:11px;letter-spacing:1.6px;text-transform:uppercase}.topline .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.nav{height:88px;display:flex;align-items:center;gap:48px}.brand{font-size:28px;font-weight:800;letter-spacing:-1.4px;display:inline-flex;align-items:center;gap:9px}.brand img{width:31px;height:31px}.navlinks{display:flex;align-items:center;gap:27px;margin-left:auto;font-size:14px;font-weight:600}.navlinks a[aria-current=page]{color:var(--blue)}.nav-search{padding:11px 18px;background:transparent;border:1px solid var(--line);border-radius:30px;font-size:13px}.mobile-toggle{display:none;margin-left:auto;background:transparent;font-size:16px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:700;text-transform:uppercase;color:var(--muted)}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:50px;align-items:center;padding:70px 0 58px}.hero h1{font-size:70px;letter-spacing:-4.3px;line-height:1.04;margin:20px 0 26px;font-weight:760;max-width:620px}.hero h1 span{color:#5b7b60}.hero p{color:var(--muted);font-size:17px;line-height:1.7;max-width:490px}.hero-art{position:relative}.hero-art img{width:100%}.art-label{position:absolute;bottom:22px;left:23px;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#4b6656}.searchbox{display:flex;align-items:center;gap:9px;background:var(--white);padding:8px 8px 8px 18px;border:1px solid #bac8bb;border-radius:8px;margin-top:26px;max-width:510px}.searchbox input{min-width:0;flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--ink);padding:8px 0}.searchbox button{border-radius:5px;background:var(--ink);color:#fff;font-size:13px;padding:12px 18px}.popular{font-size:12px;color:var(--muted);margin-top:13px}.popular a{border-bottom:1px solid #acb9a8;margin-left:9px}.topic-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}.topic-link{display:flex;align-items:center;gap:14px;padding:26px 16px;border-right:1px solid var(--line)}.topic-link:first-child{padding-left:0}.topic-link:last-child{border:0}.topic-icon{width:41px;height:41px;border:1px solid #cad5c9;border-radius:11px;display:grid;place-items:center;font-size:19px;font-weight:600}.topic-link strong{display:block;font-size:14px}.topic-link small{display:block;font-size:11px;color:var(--muted);margin-top:3px}.arrow{margin-left:auto;font-size:19px}.section{padding:64px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}.section-head h2,.tools-callout h2{font-size:33px;line-height:1.2;letter-spacing:-1.1px;margin:8px 0 0}.text-link{font-size:13px;font-weight:600;border-bottom:1px solid #90a18e;padding-bottom:3px;white-space:nowrap}.feature-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:30px}.feature-card{background:#e2ebe5;border-radius:var(--radius);overflow:hidden}.feature-picture{height:245px;padding:25px 33px;display:flex;align-items:center;justify-content:center;background:#dce7df;position:relative;overflow:hidden}.mini-window{width:330px;background:#fffdf6;border:1px solid #b1c4b7;border-radius:8px;box-shadow:0 14px 0 -6px #b4c5b8;transform:rotate(-3deg);padding:0 20px 19px}.windowbar{border-bottom:1px solid #dce3d9;font-size:12px;padding:10px 0;display:flex;gap:5px;align-items:center}.dot{width:5px;height:5px;background:#9cb19f;border-radius:50%;display:inline-block}.windowbar span:last-child{margin-left:auto;color:var(--muted);font-size:9px}.printer-row{display:flex;align-items:center;gap:16px;margin:18px 0 8px}.printer-symbol{font-size:32px}.status-pill{display:inline-block;background:#f2e8cf;color:#766131;padding:4px 9px;border-radius:30px;font-size:11px}.mini-window strong{font-size:16px}.mini-window p{font-size:11px;color:var(--muted);margin:6px 0}.feature-body{padding:28px 30px 30px}.tag{font-size:10px;letter-spacing:1.1px;color:#486751;text-transform:uppercase;font-weight:700}.feature-body h3{font-size:26px;line-height:1.23;letter-spacing:-.6px;margin:10px 0}.feature-body p,.article-card p{font-size:14px;color:var(--muted);margin:12px 0}.meta{font-size:11px;color:var(--muted);display:flex;gap:12px;margin-top:21px}.stack{display:flex;flex-direction:column}.list-story{padding:21px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 76px;gap:24px}.list-story:first-child{padding-top:0}.list-story h3{font-size:20px;line-height:1.3;letter-spacing:-.4px;margin:7px 0}.list-story p{font-size:13px;color:var(--muted);margin:9px 0 0}.story-mark{width:76px;height:76px;border-radius:12px;background:#e5e9fb;color:#4267b4;display:grid;place-items:center;font-size:25px;align-self:center;font-weight:600}.story-mark.green{background:#e4edd2;color:#517341}.tools-callout{background:var(--ink);border-radius:20px;padding:38px 44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;color:#f9fbef;align-items:center}.tools-callout .eyebrow{color:#bdcebd}.tools-callout p{font-size:14px;color:#c3d1c5;max-width:420px}.tools-callout h2{font-size:32px}.tools-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}.tool-short{background:#285151;border:1px solid #52726a;border-radius:12px;padding:23px 20px;font-size:14px}.tool-short span{font-size:26px;display:block;color:var(--lime);margin-bottom:15px}.tool-short 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#ced8c9;margin-top:31px;padding-top:20px;font-size:11px;color:var(--muted);gap:20px}.page-heading{padding:57px 0 35px;max-width:790px}.page-heading h1{font-size:49px;line-height:1.12;letter-spacing:-2px;margin:14px 0 20px}.page-heading p{font-size:17px;color:var(--muted)}.breadcrumb{font-size:12px;color:var(--muted);margin:30px 0 0}.article-layout{display:grid;grid-template-columns:230px minmax(0,730px);gap:60px;margin:30px 0 75px;align-items:start}.toc{position:sticky;top:25px;font-size:12px;border-top:1px solid var(--line);padding-top:20px}.toc strong{display:block;font-size:10px;text-transform:uppercase;letter-spacing:1.2px;margin-bottom:12px}.toc a{display:block;padding:6px 0;color:var(--muted)}.article-body{color:#344c46;font-size:16px;line-height:1.85;min-width:0}.article-body h2{font-size:27px;letter-spacing:-.8px;line-height:1.3;color:var(--ink);margin:40px 0 16px}.article-body h3{font-size:20px;line-height:1.4;color:var(--ink);margin:27px 0 12px}.article-body p{margin:0 0 20px}.article-body li{padding-left:5px;margin:9px 0}.article-body a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.article-body table{display:block;overflow-x:auto;width:100%;border-collapse:collapse;font-size:14px;margin:25px 0}.article-body td,.article-body th{border:1px solid var(--line);padding:11px 14px;text-align:left;min-width:110px}.article-body th{background:var(--soft)}.note{background:#edf1e5;border-left:3px solid #93aa71;padding:20px 24px;font-size:13px;line-height:1.7;margin-bottom:28px}.sources{border-top:1px solid var(--line);margin-top:40px;padding-top:16px;font-size:13px}.sources li{margin:8px 0}.related{margin-bottom:70px}.policy{max-width:780px;padding:0 0 70px}.policy h2{font-size:25px;margin:35px 0 13px}.policy p,.policy li{color:#445c53}.status-note{padding:18px 22px;background:#eff1e6;border:1px solid var(--line);border-radius:9px;font-size:14px;color:#445c53}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:27px;margin-bottom:60px;align-items:start}.tool-panel{background:var(--white);padding:30px;border:1px solid var(--line);border-radius:16px}.tool-panel h2{font-size:24px;letter-spacing:-.7px;line-height:1.3;margin:0 0 12px}.tool-panel p{font-size:14px;color:var(--muted)}label{display:block;font-size:13px;font-weight:600;margin:20px 0 6px}input[type=number],textarea,select{width:100%;border:1px solid #aab9aa;border-radius:6px;padding:11px;color:var(--ink);background:#fff}textarea{resize:vertical;min-height:160px}.input-pair{display:grid;grid-template-columns:1fr 1fr;gap:15px}.primary-btn{display:inline-block;background:var(--ink);color:#fff;border-radius:6px;padding:11px 19px;font-size:14px;margin:18px 0 0}.secondary-btn{display:inline-block;background:#edf1e5;border:1px solid var(--line);border-radius:6px;padding:10px 16px;font-size:13px;margin-top:12px}.tool-result{padding:20px;background:#edf3e4;border-radius:8px;font-size:14px;margin-top:20px;min-height:75px}.tool-result strong{font-size:26px;letter-spacing:-.5px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.stats div{padding:15px 10px;background:var(--soft);border-radius:8px;text-align:center;font-size:11px}.stats strong{font-size:25px;display:block}.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 25px}.filter-chip{border:1px solid var(--line);background:transparent;border-radius:30px;padding:8px 17px;font-size:12px}.filter-chip.active{background:var(--ink);color:white}.search-status{font-size:14px;color:var(--muted);margin-bottom:25px}.hidden,[hidden]{display:none!important}.dialog{border:1px solid var(--line);border-radius:15px;width:min(680px,calc(100% - 30px));padding:26px;background:var(--paper);color:var(--ink)}.dialog::backdrop{background:#123f40b3}.dialog-close{float:right;background:transparent;font-size:21px}.dialog h2{font-size:27px;margin:8px 0}.search-results a{display:block;padding:15px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}.search-results small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.search-hint{font-size:12px;color:var(--muted)}.template-preview{background:#fff;max-width:670px;margin:25px 0;padding:38px;border:1px solid var(--line);color:#263a37;font-size:13px}.template-preview h3{font-size:27px;margin:0;letter-spacing:1px}.template-preview h4{font-size:12px;text-transform:uppercase;letter-spacing:1px;border-bottom:1px solid #607466;padding-bottom:7px}.template-preview p{margin:6px 0}.empty-state{padding:40px;border:1px solid var(--line);border-radius:12px;grid-column:1/-1}.print-only{display:none}@media(min-width:1400px){.wrap{max-width:1290px}.hero{gap:65px}.hero h1{font-size:77px}}@media(max-width:1000px){.nav{gap:20px}.navlinks{gap:18px;font-size:12px}.hero h1{font-size:58px;letter-spacing:-3px}.hero{gap:26px}.wrap{padding:0 25px}.topic-link{gap:8px;padding:20px 10px}.topic-link small{font-size:10px}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.footer-links{gap:15px}.tools-callout{padding:30px;gap:25px}}@media(max-width:760px){.wrap{padding:0 20px}.topline .wrap span:last-child{display:none}.topline{font-size:9px;height:29px}.nav{height:74px;flex-wrap:wrap;gap:0}.brand{font-size:25px}.mobile-toggle{display:block}.navlinks{display:none;position:absolute;top:103px;left:0;right:0;background:var(--paper);padding:25px;border-bottom:1px solid var(--line);z-index:10;flex-direction:column;align-items:stretch;gap:22px;font-size:15px}.navlinks.open{display:flex}.hero{padding:42px 0 35px;grid-template-columns:1fr;gap:28px}.hero h1{font-size:53px;letter-spacing:-2.7px;margin:15px 0 20px}.hero p{font-size:16px;max-width:none}.hero-art{max-width:540px}.hero-art img{max-height:320px;object-fit:cover;border-radius:16px}.searchbox{max-width:none}.topic-strip{grid-template-columns:1fr 1fr}.topic-link{padding:17px 9px!important;gap:10px}.topic-link:nth-child(2){border:0}.topic-link:nth-child(-n+2){border-bottom:1px solid var(--line)}.topic-icon{width:34px;height:34px;font-size:16px}.topic-link strong{font-size:12px}.topic-link small{font-size:9px}.section{padding:40px 0}.section-head h2{font-size:27px}.feature-grid{grid-template-columns:1fr;gap:26px}.feature-picture{height:205px}.feature-body{padding:23px}.feature-body h3{font-size:24px}.list-story h3{font-size:19px}.list-story:last-child{border:0}.tools-callout{grid-template-columns:1fr;padding:27px;gap:15px}.tools-callout h2{font-size:28px}.tools-links{gap:12px}.tool-short{padding:17px;font-size:13px}.cards{grid-template-columns:1fr;gap:14px}.article-card{padding:23px}.article-card h3{font-size:21px}.editorial-band{padding:15px 0 40px;grid-template-columns:1fr;gap:18px}.footer-grid{flex-direction:column;gap:20px}.footer-links{gap:18px}.footer-bottom{flex-direction:column;gap:10px}.page-heading{padding:38px 0 23px}.page-heading h1{font-size:37px;letter-spacing:-1.5px}.page-heading p{font-size:16px}.article-layout{display:block;margin-top:8px}.toc{position:static;margin-bottom:30px}.toc a{padding:4px 0}.article-body{font-size:16px}.article-body h2{font-size:25px}.tool-grid{grid-template-columns:1fr;gap:20px}.tool-panel{padding:24px}.template-preview{padding:23px}.searchbox button{padding:12px}.popular{line-height:2}.eyebrow{font-size:10px}.section-head{align-items:center}.text-link{font-size:11px}}
@media print{.topline,.site-header,.site-footer,.toc,.related,.breadcrumb,.dialog,button{display:none!important}body{background:white;color:black}.wrap{padding:0;max-width:100%}.article-layout{display:block}.page-heading{padding:15px 0}.article-body{font-size:12pt}.template-preview{border:0;padding:0}.no-print{display:none!important}}
/* Expanded guide library and practical tool layouts */
.nav{gap:25px}.navlinks{gap:21px;font-size:13px}.nav-search{padding:10px 15px}.hero{padding:54px 0 45px}.hero h1{font-size:65px}.hero .hero-art{align-self:center}.reading-progress{position:fixed;left:0;top:0;width:100%;height:3px;z-index:99;pointer-events:none}.reading-progress div{height:100%;width:0;background:var(--blue)}.footer-main{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.15fr;gap:40px}.footer-main p{font-size:12px;color:var(--muted);max-width:300px}.footer-main strong{font-size:12px;display:block;margin-bottom:13px}.footer-main>div>a:not(.brand){display:block;font-size:12px;color:var(--muted);margin:8px 0}.library-controls{background:white;border:1px solid var(--line);padding:22px;border-radius:12px;margin-bottom:25px}.library-controls label{margin-top:0}.library-controls input,#global-search,#formula-search{width:100%;border:1px solid #aab9aa;padding:12px 14px;border-radius:6px;background:white;color:var(--ink)}.library-controls .filter-row{margin:18px 0 0}.topic-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{border:1px solid var(--line);border-radius:14px;background:white;padding:25px;display:flex;flex-direction:column}.topic-card .topic-icon{margin-bottom:20px}.topic-card h3{font-size:21px;letter-spacing:-.5px;margin:0 0 9px}.topic-card p{font-size:13px;color:var(--muted);margin:0 0 21px}.topic-card small{font-size:11px;color:#4e6b53;margin-top:auto}.start-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--line)}.start-option{padding:22px 24px;background:#fff;display:flex;align-items:center;gap:16px}.start-option span:first-child{font-size:23px;color:#6c8467}.start-option strong{font-size:14px;display:block}.start-option small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.start-option .arrow{font-size:17px}.start-intro{padding:0 0 35px}.tool-directory{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:55px}.tool-card{background:white;border:1px solid var(--line);padding:28px;border-radius:14px;display:block}.tool-symbol{background:#e9efdc;width:48px;height:48px;display:grid;place-items:center;font-size:25px;font-weight:650;color:#4f7343;border-radius:12px;margin-bottom:24px}.tool-card .tag{display:block}.tool-card h3{font-size:22px;line-height:1.25;letter-spacing:-.5px;margin:12px 0}.tool-card h3 span{float:right;font-size:18px;color:var(--muted)}.tool-card p{font-size:14px;color:var(--muted);margin:0}.tool-card:hover,.topic-card:hover{border-color:#879f7b;text-decoration:none;background:#fcfff6}.tool-card:hover h3,.topic-card:hover h3{text-decoration:underline;text-underline-offset:4px}.resource-callout{border:1px solid #c8d8b4;background:#edf3e3;border-radius:15px;padding:32px 35px;display:flex;align-items:center;gap:40px;justify-content:space-between;margin-bottom:60px}.resource-callout h2{font-size:27px;line-height:1.25;letter-spacing:-.7px;margin:10px 0}.resource-callout p{font-size:14px;color:var(--muted);max-width:600px;margin:10px 0}.resource-callout .primary-btn{white-space:nowrap;margin:0}.hub-intro{max-width:800px;margin-bottom:35px;color:var(--muted);font-size:17px}.hub-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:45px}.hub-path{background:#fff;border:1px solid var(--line);border-radius:13px;padding:26px}.hub-path h2{font-size:24px;line-height:1.25;letter-spacing:-.7px;margin:15px 0 10px}.hub-path>p{color:var(--muted);font-size:13px;line-height:1.7;margin-bottom:23px}.path-number{font-size:12px;color:#56764c;letter-spacing:1px;border-bottom:1px solid #b7c9a9;padding-bottom:5px}.compact-list a{display:flex;gap:15px;justify-content:space-between;border-top:1px solid var(--line);padding:15px 0;font-size:13px;font-weight:550;line-height:1.45}.compact-list small{color:var(--muted);font-size:10px;white-space:nowrap;font-weight:400}.compact-list small span{font-size:14px;margin-left:5px}.hub-overview{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;margin-bottom:40px}.hub-overview .status-note{font-size:14px}.path-card{padding:27px;border:1px solid var(--line);border-radius:14px;background:#fff}.path-card h2{font-size:25px;line-height:1.3;letter-spacing:-.5px;margin:8px 0 18px}.path-card p{font-size:14px;color:var(--muted)}.download-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:25px 0 50px}.download-item{background:white;border:1px solid var(--line);padding:23px;border-radius:10px;display:flex;align-items:center;gap:20px}.download-item strong{font-size:15px;display:block}.download-item small{font-size:11px;color:var(--muted);display:block;margin-top:5px}.download-item .file-type{background:#e5ecdb;padding:11px;border-radius:6px;font-size:12px;min-width:47px;text-align:center}.download-item a{margin-left:auto;font-size:13px;font-weight:600;white-space:nowrap}.article-layout{grid-template-columns:215px minmax(0,770px);gap:55px}.article-heading{max-width:900px}.article-heading h1{font-size:46px}.article-toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:18px 0 26px}.article-toolbar button{background:transparent;padding:7px 12px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:11px}.article-toolbar span{font-size:11px;color:var(--muted)}.quick-answer{padding:25px 28px;background:#e9f0df;border-radius:10px;margin-bottom:24px;border-left:3px solid #8ba669}.quick-answer .eyebrow{color:#507046;margin-bottom:10px}.quick-answer p{margin:0;font-size:16px;line-height:1.7}.scope-line{font-size:12px;line-height:1.7;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:19px;margin-bottom:27px}.article-tool-link{display:flex;justify-content:space-between;gap:20px;padding:18px 20px;border:1px solid #c6d5eb;border-radius:8px;background:#f1f4fc;font-size:13px;margin:25px 0}.article-tool-link a{font-weight:600}.takeaways{border:1px solid var(--line);border-radius:9px;padding:20px 25px;margin:30px 0;background:white}.takeaways h2{font-size:20px!important;margin:0 0 15px!important}.takeaways ul{padding-left:20px;margin:0;font-size:14px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line);padding:18px 0}.faq-list summary{font-size:15px;font-weight:600;cursor:pointer;color:var(--ink);padding-right:15px;line-height:1.5}.faq-list details p{font-size:14px;color:var(--muted);margin:14px 0 0}.method-note{font-size:12px!important;line-height:1.7;background:var(--soft);border-radius:8px;padding:16px 20px;margin-top:30px!important}.article-body code{background:#e9eee3;color:#244a3d;border-radius:4px;padding:3px 6px;font-size:13px;overflow-wrap:anywhere;white-space:pre-wrap}.article-body pre{background:#e9eee3;padding:18px;border-radius:7px;overflow-x:auto}.article-body th{min-width:140px}.related .cards{grid-template-columns:repeat(3,1fr)}.local-note{font-size:12px;color:#557047;display:flex;gap:10px;margin:0 0 25px}.tool-page{max-width:1080px}.main-tool{margin-bottom:30px}.main-tool h2{font-size:28px}.input-triple{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tool-help{border-top:1px solid var(--line);margin-top:27px;padding-top:14px}.tool-help h3{font-size:18px}.tool-help p,.tool-help li{font-size:14px;line-height:1.8;color:var(--muted)}.tool-help a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.tool-back{padding:10px 0 65px}.tool-result p{font-size:13px;margin-bottom:0}.expanded-stats{grid-template-columns:repeat(4,1fr)}.check-label{font-size:13px;font-weight:400;display:flex;align-items:center;gap:9px;line-height:1.5;margin:16px 0}.check-label input{width:16px;height:16px;accent-color:var(--ink);flex-shrink:0}.check-options{display:flex;gap:8px 24px;flex-wrap:wrap}.check-options .check-label{margin:10px 0}.form-error{font-size:13px;color:#795626;line-height:1.6}.main-tool fieldset{border:1px solid var(--line);border-radius:9px;padding:22px;margin-top:23px}.main-tool legend{font-size:14px;font-weight:600;padding:0 8px}.main-tool fieldset p{font-size:12px}.table-scroll{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:7px}.table-scroll table{border-collapse:collapse;width:100%;font-size:13px}.table-scroll th,.table-scroll td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);overflow-wrap:anywhere;max-width:250px;min-width:100px}.table-scroll th{background:var(--soft)}.diagnostic-result{background:#f0f4e8;padding:24px;border-radius:9px;margin-top:25px}.diagnostic-result h3{margin:0;font-size:21px;line-height:1.35}.diagnostic-result li{font-size:14px;color:#415e4b;margin:12px 0}.next-links{display:flex;gap:10px;flex-wrap:wrap}.next-links a{display:inline-block;background:white;border:1px solid #cedec1;border-radius:6px;padding:10px 15px;font-size:13px}.formula-filter{border:1px solid var(--line);border-radius:30px;padding:7px 15px;background:transparent;font-size:12px;color:var(--ink)}.formula-filter.active{background:var(--ink);color:white}.formula-card{border:1px solid var(--line);border-radius:9px;padding:23px;margin:15px 0}.formula-card h3{margin:8px 0 17px;font-size:20px;line-height:1.3}.formula-card code{display:block;padding:15px;background:#eef2e7;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px;border-radius:6px}.formula-card p{font-size:13px}.formula-card a{font-size:12px;color:var(--blue)}.measurement-sheet{border:1px solid var(--line);padding:30px;margin:30px 0 60px;max-width:750px}.measurement-sheet h2{font-size:20px}.measurement-sheet p{font-size:13px}.calibration-square{box-sizing:border-box;width:100mm;height:100mm;border:0.3mm solid #000;display:grid;place-items:center;text-align:center;margin:12mm 0;color:#000;font-size:12pt}.social-proof-free{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:12px;padding:15px 0 0}.social-proof-free strong{color:var(--ink)}@media(min-width:1400px){.hero h1{font-size:73px}.hero{gap:65px}}@media(max-width:1050px){.navlinks{gap:14px;font-size:11px}.topic-cards{grid-template-columns:repeat(2,1fr)}.hub-paths{grid-template-columns:1fr 1fr}.hub-path:last-child{grid-column:1/-1}.tool-directory{grid-template-columns:repeat(2,1fr)}.footer-main{gap:25px}.input-triple{gap:14px}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}}@media(max-width:760px){.navlinks{font-size:15px;gap:22px}.hero{padding:38px 0 35px}.hero h1{font-size:52px}.hero-art img{max-height:290px}.start-grid{grid-template-columns:1fr 1fr}.start-option{padding:18px 15px;gap:10px}.start-option strong{font-size:12px}.start-option small{font-size:10px}.start-option span:first-child{font-size:19px}.topic-cards{gap:12px}.topic-card{padding:21px}.topic-card h3{font-size:19px}.topic-card p{font-size:12px}.tool-directory{grid-template-columns:1fr;gap:15px}.tool-card{padding:24px}.tool-symbol{margin-bottom:15px}.hub-paths{grid-template-columns:1fr;gap:18px}.hub-path:last-child{grid-column:auto}.hub-overview{grid-template-columns:1fr;gap:18px}.resource-callout{padding:25px;display:block}.resource-callout .primary-btn{margin-top:15px;white-space:normal}.resource-callout h2{font-size:25px}.footer-main{grid-template-columns:1fr 1fr;gap:25px}.footer-main>div:first-child{grid-column:1/-1}.footer-main p{max-width:100%}.article-layout{display:block}.article-heading h1{font-size:35px}.quick-answer{padding:21px}.quick-answer p{font-size:15px}.article-tool-link{display:block}.article-tool-link a{display:block;margin-top:7px}.input-triple{grid-template-columns:1fr;gap:0}.input-triple label{margin-top:17px}.tool-panel h2{font-size:25px}.main-tool{padding:22px}.expanded-stats{grid-template-columns:1fr 1fr}.download-list{grid-template-columns:1fr}.download-item{padding:20px;gap:13px}.download-item strong{font-size:13px}.download-item a{font-size:11px}.download-item .file-type{padding:8px;font-size:10px}.related .cards{grid-template-columns:1fr}.calibration-square{max-width:100%;height:auto;aspect-ratio:1}.measurement-sheet{padding:18px}.check-options{gap:0 15px}.next-links{display:block}.next-links a{margin:5px 0}.main-tool fieldset{padding:17px}.tool-help{overflow-wrap:anywhere}}
@media print{.reading-progress,.local-note,.article-toolbar,.article-tool-link,.tool-back{display:none!important}.measurement-sheet{border:0;padding:0;margin:0;max-width:none}.calibration-square{width:100mm!important;height:100mm!important;max-width:none!important;aspect-ratio:auto!important}.measurement-sheet h2{font-size:14pt}.measurement-sheet p{font-size:10pt}.test-sheet{padding:0}.test-sheet .page-heading{display:none}.article-body .quick-answer{border:1px solid #999;background:transparent}.article-body .faq-list details{display:block}.article-body .faq-list details>*{display:block}.sources a{color:black}.article-body{width:100%}.site-header,.site-footer{display:none!important}@page{size:letter;margin:16mm}}
.article-body{overflow-wrap:anywhere}.article-body table{max-width:100%}.article-body caption{font-size:12px;text-align:left;padding:7px 0;color:var(--muted)}button:disabled{cursor:wait;opacity:.6}
.toc summary{font-size:10px;font-weight:700;letter-spacing:1.2px;cursor:pointer;margin-bottom:12px;color:var(--ink)}@media(max-width:760px){.toc{border-bottom:1px solid var(--line);padding:17px 0;margin:0 0 25px}.toc summary{font-size:11px;margin-bottom:0}.toc details[open] summary{margin-bottom:12px}}@media print{.toc{display:none!important}}
/* Resource library: actual pages, useful file choices and generous reading space. */
.resource-principles{display:flex;gap:27px;flex-wrap:wrap;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;margin-bottom:38px;color:#4e6954;font-size:12px}.resource-principles span:before{content:'✓';margin-right:8px}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-bottom:60px}.resource-card{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}.resource-cover{height:390px;background:#e5e9e0;display:flex;align-items:flex-start;justify-content:center;overflow:hidden;padding:28px 35px 0}.resource-cover.excel{background:#dfe8e4}.resource-cover.fieldbooks{background:#e6e9f1}.resource-cover img{width:285px;height:auto;box-shadow:0 6px 24px #1d393326;border:1px solid #d3d7cd;transform:rotate(-2deg);transition:transform .2s}.resource-card:nth-child(even) .resource-cover img{transform:rotate(2deg)}.resource-card:hover .resource-cover img{transform:rotate(0)}.resource-card-copy{padding:29px 31px 32px}.resource-card-copy h2{font-size:28px;line-height:1.2;letter-spacing:-.7px;margin:12px 0}.resource-card-copy p{font-size:15px;line-height:1.75;color:var(--muted);margin-bottom:18px}.resource-meta{font-size:11px;color:#4c6951;letter-spacing:.3px;display:flex;gap:12px;align-items:center;margin:18px 0}.resource-card-copy .text-link{display:inline-block;margin-top:9px}.resource-usage{max-width:800px;padding-bottom:70px}.resource-usage h2{font-size:29px;letter-spacing:-.7px}.resource-usage p{color:var(--muted);font-size:15px;line-height:1.8}.resource-detail-hero{display:grid;grid-template-columns:1.1fr .9fr;gap:75px;align-items:center;padding:45px 0 65px}.resource-detail-hero h1{font-size:52px;letter-spacing:-2.1px;line-height:1.1;margin:20px 0 25px}.resource-detail-hero>div>p{font-size:17px;line-height:1.75;color:var(--muted)}.resource-detail-hero .resource-download-note{font-size:11px;margin-top:15px}.resource-detail-cover{background:#e5e9e0;border-radius:15px;height:460px;overflow:hidden;padding:26px 35px 0;display:flex;justify-content:center}.resource-detail-cover.excel{background:#dfe8e4}.resource-detail-cover.fieldbooks{background:#e6e9f1}.resource-detail-cover img{width:310px;height:auto;object-fit:cover;object-position:top;box-shadow:0 6px 24px #1d393320;align-self:flex-start}.resource-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:60px;align-items:start;padding-bottom:80px}.resource-detail-layout article section{margin-bottom:45px}.resource-detail-layout article h2{font-size:29px;letter-spacing:-.7px;line-height:1.25;margin:0 0 18px}.resource-detail-layout article p,.resource-contents li{font-size:15px;line-height:1.85;color:var(--muted)}.resource-contents{padding-left:22px}.resource-contents li{padding-left:3px;margin:8px 0}.resource-steps{display:grid;grid-template-columns:1fr 1fr;gap:25px;margin:27px 0}.resource-steps h3{font-size:18px;line-height:1.4;margin:12px 0}.resource-steps p{font-size:13px!important;line-height:1.8!important;margin:0}.resource-download-panel{border:1px solid var(--line);background:#fff;border-radius:12px;padding:24px;position:sticky;top:25px}.resource-download-panel h2{font-size:24px;letter-spacing:-.5px;margin:10px 0 23px}.resource-file{display:flex;justify-content:space-between;gap:16px;padding:15px 0;border-top:1px solid var(--line);line-height:1.45}.resource-file strong{font-size:13px;font-weight:600;display:block}.resource-file small{font-size:11px;color:var(--muted);display:block;margin-top:5px}.resource-file>span:last-child{font-size:19px;align-self:center}.resource-download-panel>p{font-size:11px;color:var(--muted);line-height:1.8;margin-top:20px}.resource-download-panel .text-link{display:inline-block;font-size:11px;margin-top:12px}.resource-pages{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:25px}.resource-preview-page{margin:0;min-width:0}.resource-preview-page a{display:block;padding:13px;border:1px solid var(--line);background:#eef1e9;border-radius:9px}.resource-preview-page img{width:100%;height:auto;object-fit:contain;box-shadow:0 2px 9px #173b3b12;background:#fff}.resource-preview-page figcaption{font-size:11px;line-height:1.6;margin-top:10px;color:var(--muted)}.resource-preview-hint{font-size:12px!important}.resource-article-callout{background:#eaf0e2;border:1px solid #d1dec3;border-radius:10px;margin:25px 0;padding:23px}.resource-article-callout h3{font-size:20px;margin:0 0 10px}.resource-article-callout p{font-size:14px!important}.resource-article-callout a{font-size:13px;font-weight:600}.resource-file-count{font-size:12px;color:var(--muted)}@media(max-width:1000px){.resource-detail-hero{gap:35px}.resource-detail-hero h1{font-size:44px}.resource-detail-layout{grid-template-columns:minmax(0,1fr) 270px;gap:30px}.resource-cover{height:330px;padding:23px 25px 0}.resource-cover img{width:250px}}@media(max-width:760px){.resource-principles{gap:12px 20px;font-size:10px}.resource-grid{grid-template-columns:1fr;gap:25px}.resource-cover{height:350px}.resource-cover img{width:255px}.resource-card-copy{padding:24px}.resource-card-copy h2{font-size:26px}.resource-detail-hero{grid-template-columns:1fr;gap:30px;padding:35px 0}.resource-detail-hero h1{font-size:38px;letter-spacing:-1.4px}.resource-detail-hero>div>p{font-size:16px}.resource-detail-cover{height:380px;padding:23px 30px 0}.resource-detail-cover img{width:270px}.resource-detail-layout{grid-template-columns:1fr;gap:20px;display:flex;flex-direction:column}.resource-detail-layout>article{order:2;width:100%}.resource-download-panel{position:static;order:1;width:100%;margin-bottom:20px}.resource-detail-layout article h2{font-size:26px}.resource-steps{gap:23px 20px}.resource-steps h3{font-size:16px}.resource-steps p{font-size:12px!important}.resource-pages{gap:12px}.resource-preview-page a{padding:7px}.resource-preview-page figcaption{font-size:10px}.resource-usage h2{font-size:25px}.resource-download-panel h2{font-size:24px}}