*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:#193e32;background:#f8f5ee;font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#214f3e;text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible,button:focus-visible{outline:3px solid #71864f;outline-offset:5px}.skip{position:absolute;top:-100px}.skip:focus{top:5px;left:12px;z-index:50;background:white;padding:10px}header{position:sticky;top:0;z-index:10;background:#f8f5eef7;border-bottom:1px solid #d9ded2}.head{max-width:1160px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font:30px/1.2 Georgia,serif;letter-spacing:-1.5px;text-decoration:none;white-space:nowrap}nav{display:flex;gap:22px;align-items:center;font-size:14px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:3px;background:#214f3e;color:white;font-size:14px;font-weight:600;text-decoration:none}.page{max-width:870px;margin:auto;padding:64px 24px 84px}h1{font-size:clamp(35px,5vw,58px);line-height:1.15;letter-spacing:-.04em;margin:0 0 26px;overflow-wrap:anywhere}h2{font-size:25px;line-height:1.3;letter-spacing:-.025em;margin:42px 0 16px}h3{font-size:18px;line-height:1.4;margin:27px 0 12px}p{margin:0 0 18px;color:#405746}li{margin:9px 0;color:#405746}.lead{font-size:20px;line-height:1.65}.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:650;color:#526b3e}.meta{font-size:13px;color:#526653}.box{padding:26px;margin:30px 0;border:1px solid #d4dbce;background:#fffefa;border-radius:4px}.box h2,.box h3{margin-top:0}.calc{margin:24px 0;padding:22px;background:#fffefa;border:1px solid #d4dbce;max-width:580px}.calc div{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px dotted #a4afa0}.calc dt,.calc dd{margin:0}.calc .net{font-size:22px;font-weight:700;border-bottom:none;border-top:2px solid #23483d}.toc{padding:22px;background:#fffefa;border:1px solid #d4dbce}.toc strong{display:block;margin-bottom:8px}.toc ul{margin-bottom:0}.floating{position:fixed;bottom:max(18px,env(safe-area-inset-bottom));right:20px;z-index:20;box-shadow:0 3px 16px #173a3024}footer{padding:30px 24px 94px;border-top:1px solid #d9ded2;font-size:13px}.foot{max-width:1160px;margin:auto;display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}.links{display:flex;gap:20px;flex-wrap:wrap}.muted{font-size:13px}.signature{margin-top:38px;padding-top:20px;border-top:1px solid #aaa}.warning{border-left:4px solid #937022;padding:14px 18px;background:#f7efdd}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px;text-align:left;vertical-align:top;border:1px solid #d4dbce;overflow-wrap:anywhere}.print-field{display:block;border-bottom:1px solid #909c8b;min-height:35px;margin:14px 0 20px}.page-break{break-before:page}@media(max-width:600px){.head{padding:16px 20px;gap:12px}.brand{font-size:25px}nav{gap:12px}nav .home-link{display:none}.page{padding:42px 20px 65px}.lead{font-size:18px}.box{padding:20px}h2{font-size:23px}.calc{padding:16px}.calc .net{font-size:19px}.floating{right:14px}.calc dd{white-space:nowrap}table{font-size:12px}th,td{padding:7px}}@media print{header{position:static}nav,.floating,.skip{display:none}.page{max-width:none;padding:20px 0}footer{padding:20px 0}body{background:white;color:black;font-size:11pt}.box{break-inside:avoid}a{color:inherit}h1{font-size:25pt}h2{font-size:17pt}h3{font-size:13pt}}
.toc{display:block;font-size:16px}h1{hyphens:auto}

header .button{gap:4px;white-space:nowrap} @media(max-width:600px){header .wide{display:none}.head{gap:10px}.brand{flex-shrink:0;font-size:23px}header .button{font-size:12px;padding:10px 12px}header nav{flex:none;min-width:0}}

/* Three focused guides, linked from the homepage. */
.guide-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}.guide-card{display:flex;flex-direction:column;align-items:flex-start;padding:27px 24px;border:1px solid #cbd4c7;background:#fffefa;min-width:0;transition:border-color .18s,box-shadow .18s}.guide-card:hover{border-color:#526b3e;box-shadow:0 6px 22px #173a300b}.guide-number{font-size:12px;letter-spacing:.1em;color:#526b3e;margin-bottom:18px}.guide-card h3{font-size:22px;font-weight:650;line-height:1.25;letter-spacing:-.03em;color:#173a30;overflow-wrap:anywhere;hyphens:auto;margin:0 0 16px}.guide-card p{font-size:14px;line-height:1.8;color:#405746;margin:0 0 24px}.guide-card-action{font-size:13px;font-weight:650;color:#23483d;margin-top:auto;border-bottom:1px solid #a8b79e;line-height:1.8}.seo-guide-grid>div{min-width:0}@media(max-width:900px){.guide-card-grid{grid-template-columns:minmax(0,1fr);gap:16px}.guide-card{padding:24px}.guide-card h3{font-size:22px}.guide-number{margin-bottom:12px}}

.breadcrumbs{display:flex;flex-wrap:wrap;gap:9px;font-size:12px;margin:0 0 30px;color:#526653}.breadcrumbs a{text-decoration:none;border-bottom:1px solid #b1beaa}.article-page .source-note{font-size:12px;line-height:1.8;color:#526653}.reader-note{padding:22px 25px;border-left:3px solid #526b3e;background:#eef0e5;margin:30px 0}.reader-note h2{font-size:21px;margin:0 0 12px}.reader-note p{margin-bottom:0}.article-checklist{padding-left:22px}.article-checklist li{padding-left:5px;margin-bottom:16px}.article-page caption{text-align:left;font-weight:650;color:#193e32;padding:0 0 12px}.article-page table{margin:25px 0}.article-page blockquote{margin:0;padding:18px 22px;background:#fffefa;border-left:2px solid #a3b393}.article-page blockquote p{margin-bottom:0}.request-example{margin:28px 0}.request-example h3{font-size:19px}.request-example .source-note{margin-top:12px}.article-faq{border-top:1px solid #d4dbce;padding:18px 0}.article-faq summary{font-weight:650;cursor:pointer;line-height:1.5}.article-faq p{margin:16px 0 0}.article-cta{padding:30px;margin:42px 0;background:#eef0e5;border:1px solid #d4dbce}.article-cta h2{margin:0 0 18px}.article-cta .kicker{margin-bottom:13px}.related-guides{margin:48px 0 30px}.related-guides .guide-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:22px}.guide-library{margin:32px 0}.guide-library h2{font-size:24px}.guide-library .guide-card-grid{grid-template-columns:1fr;gap:14px;margin-top:20px}.guide-library .guide-card{padding:22px}.guide-library .guide-number{margin-bottom:10px}.guide-library .guide-card h3{font-size:22px;margin-bottom:9px}.guide-library .guide-card p{margin-bottom:15px}.editorial-note{font-size:12px;line-height:1.8;margin-top:35px;padding-top:22px;border-top:1px solid #d4dbce;color:#526653}@media(max-width:600px){.article-cta{padding:23px 20px}.related-guides .guide-card-grid{grid-template-columns:minmax(0,1fr)}.reader-note{padding:20px}.article-page table{font-size:13px}.article-page h1{font-size:clamp(32px,8vw,54px)}.article-page .guide-card h3{font-size:21px}}
