.heirvo-guides{--hg-paper:#f8f6f0;--hg-ink:#263d31;--hg-muted:#5d695f;--hg-accent:#93643e;--hg-line:#dcded3;--hg-serif:Georgia,'Times New Roman',serif;background:var(--hg-paper);color:var(--hg-ink);font:16px/1.7 system-ui,-apple-system,'Segoe UI',sans-serif;min-height:100vh;overflow-x:clip}
.heirvo-guides *{box-sizing:border-box}.heirvo-guides :is(h1,h2,h3){font-family:var(--hg-serif);font-weight:400;color:var(--hg-ink);letter-spacing:-.035em;line-height:1.16;margin:0}.heirvo-guides :is(p,figure){margin:0}.heirvo-guides a{color:inherit;text-decoration:none}.heirvo-guides button,.heirvo-guides input{font:inherit}.heirvo-guides img{display:block;width:100%;height:auto}.heirvo-guides :is(a,button,input,summary,[tabindex]):focus-visible{outline:3px solid #93643e;outline-offset:5px}.heirvo-guides section[id],.heirvo-guides aside[id]{scroll-margin-top:110px}.heirvo-guides ::selection{background:#dfc9a5;color:#263d31}.hg-container{width:calc(100% - 96px);max-width:1200px;margin-inline:auto}.hg-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.hg-skip{position:fixed;top:-100px;left:20px;z-index:100;padding:12px 20px;background:#263d31;color:white!important}.hg-skip:focus{top:12px}
.hg-header{position:sticky;top:0;z-index:30;border-bottom:1px solid var(--hg-line);background:#f8f6f0f5;backdrop-filter:blur(15px)}.hg-nav{height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.hg-brand{font:600 32px/1 var(--hg-serif);letter-spacing:-1.7px;display:inline-flex;align-items:baseline}.hg-brand span{color:var(--hg-accent)}.hg-nav-links{display:flex;gap:32px;font-size:14px}.hg-nav-links a{padding-block:12px}.hg-nav-links [aria-current=page]{color:var(--hg-accent);text-decoration:underline;text-underline-offset:8px;text-decoration-thickness:1px}.hg-nav-links a:hover{color:var(--hg-accent)}.hg-button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:52px;padding:13px 22px;background:var(--hg-ink);border:1px solid var(--hg-ink);border-radius:5px;color:#fffdf8!important;font-size:14px;font-weight:550;line-height:1.45;transition:background .18s,box-shadow .18s}.hg-button:hover{background:#3b5845;box-shadow:0 5px 18px #263d3117}.hg-button-small{min-height:44px;padding:10px 16px;font-size:13px;gap:20px}.hg-button-light{background:#f8f6f0;border-color:#f8f6f0;color:var(--hg-ink)!important}.hg-button-light:hover{background:white}.hg-eyebrow{font:600 10px/1.6 system-ui,sans-serif;letter-spacing:1.7px;text-transform:uppercase;color:var(--hg-muted);margin-bottom:18px!important}.hg-eyebrow>span{display:inline-block;width:6px;height:6px;border-radius:50%;background:#7d8b69;vertical-align:1px;margin-right:7px}.heirvo-guides em{font-weight:400;color:var(--hg-accent)}.hg-lead{font-size:17px;line-height:1.9;color:var(--hg-muted);max-width:450px;margin-block:24px 28px!important}.hg-small-note{font-size:12px;color:var(--hg-muted);margin-top:15px!important}
.hg-library-hero{display:grid;grid-template-columns:1fr 1.04fr;gap:65px;align-items:center;padding-block:72px 70px}.hg-library-hero h1{font-size:clamp(43px,5.1vw,72px);line-height:1.06;letter-spacing:-.05em}.hg-library-figure{padding:8px;background:#e5d9c5;border:1px solid #ddd4c4;border-radius:5px;transform:rotate(1deg);box-shadow:0 18px 35px #5341220d}.hg-library-figure img{aspect-ratio:3/2;object-fit:cover;border-radius:2px}.hg-library-figure figcaption{font:italic 17px/1.4 var(--hg-serif);text-align:center;padding:15px 5px 8px;color:#625b4c}.hg-start-here{display:grid;grid-template-columns:.68fr 1.32fr;gap:50px;align-items:start;padding-block:44px;border-top:1px solid var(--hg-line);border-bottom:1px solid var(--hg-line)}.hg-start-here h2{font-size:36px;letter-spacing:-1px}.hg-paths a{display:grid;grid-template-columns:32px 1fr 20px;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--hg-line)}.hg-paths a:first-child{padding-top:0}.hg-paths a:last-child{border:0;padding-bottom:0}.hg-paths a:hover strong{text-decoration:underline;text-underline-offset:4px}.hg-path-number{font:italic 19px var(--hg-serif);color:var(--hg-accent)}.hg-paths strong{display:block;font-size:16px;font-weight:550}.hg-paths small{display:block;font-size:13px;color:var(--hg-muted);margin-top:3px}.hg-paths a>span:last-child{font-size:22px;color:var(--hg-accent)}
.hg-feature{padding-block:65px 0}.hg-feature-card{display:grid;grid-template-columns:1.05fr 1fr;align-items:stretch;background:#e9ede4;border:1px solid #dde2d6;border-radius:6px;overflow:hidden}.hg-feature-photo{min-width:0}.hg-feature-photo img{height:100%;min-height:350px;object-fit:cover}.hg-feature-copy{padding:45px 45px 40px;align-self:center}.hg-feature-copy h2{font-size:clamp(30px,3vw,42px);line-height:1.15;letter-spacing:-1.3px}.hg-feature-copy>p:not(.hg-eyebrow){font-size:15px;line-height:1.85;color:var(--hg-muted);margin:22px 0 25px}.hg-text-link{display:inline-flex;gap:14px;font-size:14px;font-weight:550;text-decoration:underline!important;text-decoration-color:#b0b9a9!important;text-underline-offset:5px}.hg-text-link:hover{text-decoration-color:currentColor!important}.hg-browse{padding-block:80px}.hg-browse-heading{display:flex;align-items:end;justify-content:space-between;gap:40px}.hg-browse h2{font-size:36px;max-width:540px}.hg-search{display:flex;gap:10px;align-items:center;flex:0 0 330px;max-width:100%;padding:12px 15px;background:#fffdf8;border:1px solid #cbd1c3;border-radius:5px;color:var(--hg-muted)}.hg-search input{width:100%;min-width:0;background:transparent;border:0;color:var(--hg-ink);font-size:14px;outline-offset:10px!important}.hg-search svg{flex-shrink:0}.hg-search:focus-within{border-color:var(--hg-accent);box-shadow:0 0 0 2px #93643e1a}.hg-filter-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 0 24px;margin-bottom:8px}.hg-topic-filters{display:flex;gap:8px;flex-wrap:wrap}.hg-topic-filters button{cursor:pointer;border:1px solid #d7dccf;border-radius:4px;background:transparent;color:var(--hg-muted);min-height:44px;padding:9px 14px;font-size:13px}.hg-topic-filters button[aria-pressed=true]{background:var(--hg-ink);color:#fffdf8;border-color:var(--hg-ink)}.hg-topic-filters button:hover{border-color:var(--hg-ink)}.hg-filter-bar>p{font-size:12px;white-space:nowrap;color:var(--hg-muted)}
.hg-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.hg-card{min-width:0;display:flex;flex-direction:column;border:1px solid var(--hg-line);border-radius:5px;overflow:hidden;background:#fffdf8;transition:box-shadow .2s,transform .2s}.hg-card[hidden],.hg-empty[hidden]{display:none}.hg-card:hover{box-shadow:0 12px 28px #263d310c;transform:translateY(-3px)}.hg-card-photo{position:relative;overflow:hidden;background:#e7e3d7}.hg-card-photo img{aspect-ratio:3/2;object-fit:cover;transition:transform .45s}.hg-card:hover img{transform:scale(1.025)}.hg-photo-arrow{position:absolute;right:15px;bottom:15px;display:grid;place-content:center;width:34px;height:34px;border-radius:50%;background:#fffdf5e8;color:var(--hg-ink);font-size:20px}.hg-card-copy{padding:23px;display:flex;flex:1;flex-direction:column}.hg-card-meta{display:flex;justify-content:space-between;gap:10px;font-size:10px;letter-spacing:.3px;color:var(--hg-muted);margin-bottom:13px!important}.hg-card-meta>span:first-child{color:#7e5b3b;font-weight:550}.hg-card h3{font-size:26px;letter-spacing:-.7px;line-height:1.2;margin-bottom:13px}.hg-card-description{font-size:14px;color:var(--hg-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:24px!important}.hg-card-link{display:flex;justify-content:space-between;align-items:center;margin-top:auto;font-size:12px;font-weight:600}.hg-card-link>span{font-size:19px;font-weight:400}.hg-empty{padding:50px 25px;text-align:center;background:#eeeee5;border:1px solid var(--hg-line);border-radius:6px}.hg-empty h3{font-size:28px}.hg-empty p{margin:10px 0 20px}.hg-empty a{text-decoration:underline;text-underline-offset:5px}.hg-help{margin-top:0;margin-bottom:75px;padding:42px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;background:var(--hg-ink);color:#f8f6f0;border-radius:5px}.hg-help h2{color:#fffdf8;font-size:36px}.hg-help .hg-eyebrow{color:#d5d8c5}.hg-help p:not(.hg-eyebrow){font-size:15px;line-height:1.85;color:#dce1d6;max-width:630px;margin-top:15px}.hg-help>.hg-button{flex-shrink:0}
.hg-footer{border-top:1px solid var(--hg-line);padding:40px 0 28px}.hg-footer-top,.hg-footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px}.hg-footer-top{padding-bottom:30px;border-bottom:1px solid var(--hg-line)}.hg-footer-top>p{font:italic 20px var(--hg-serif);color:var(--hg-muted)}.hg-footer-bottom{padding-top:25px;font-size:11px;color:var(--hg-muted)}.hg-footer-bottom nav{display:flex;gap:22px;flex-wrap:wrap}.hg-footer a:hover{text-decoration:underline;text-underline-offset:5px}
.hg-article-header{max-width:920px;padding-top:42px;padding-bottom:42px}.hg-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12px;color:var(--hg-muted);margin-bottom:45px}.hg-breadcrumb a{padding-block:6px}.hg-breadcrumb a:hover{text-decoration:underline;text-underline-offset:4px}.hg-article-header h1{font-size:clamp(37px,4.4vw,60px);line-height:1.08;max-width:900px;letter-spacing:-1.9px}.hg-article-intro{font-size:19px;line-height:1.85;color:var(--hg-muted);max-width:820px;margin-top:25px!important}.hg-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:11px;font-size:12px;color:var(--hg-muted);margin-top:26px}.hg-author-mark{display:grid;place-content:center;align-self:center;width:29px;height:29px;background:#e6e9df;color:var(--hg-ink);font:italic 20px var(--hg-serif);border-radius:50%}.hg-article-image img{width:100%;height:420px;object-fit:cover;object-position:center 55%;border-radius:5px}.hg-article-image figcaption{text-align:right;font-size:10px;color:var(--hg-muted);padding-top:10px}.hg-reading-layout{display:grid;grid-template-columns:225px minmax(0,740px);gap:75px;justify-content:center;align-items:start;padding-top:55px;padding-bottom:70px}.hg-toc{position:sticky;top:110px;font-size:13px;color:var(--hg-muted);max-height:calc(100vh - 140px);overflow:auto;padding-right:8px}.hg-toc nav{display:grid}.hg-toc nav>a{padding:9px 0;line-height:1.55;min-height:40px;border-bottom:1px solid #e2e5dc}.hg-toc nav>a:hover{color:var(--hg-accent)}.hg-back-link{display:inline-block;margin-top:24px;color:var(--hg-ink)!important;font-weight:550;padding:8px 0}.hg-article-body{min-width:0;font-size:18px;line-height:1.9;color:#405146}.hg-article-body p{margin-bottom:20px}.hg-article-body :is(h2,h3){color:var(--hg-ink);margin-bottom:22px}.hg-article-body h2{font-size:33px;line-height:1.24;letter-spacing:-.8px}.hg-article-body h3{font-size:26px;letter-spacing:-.5px}.hg-article-section{margin-top:48px}.hg-article-section:first-child{margin-top:0}.hg-article-body :is(ul,ol){padding-left:24px;margin:20px 0 25px}.hg-article-body li{padding-left:5px;margin:12px 0}.hg-article-body li::marker{color:var(--hg-accent)}.hg-article-body :is(a,code){overflow-wrap:anywhere}.hg-article-body code{font-size:.85em;background:#edece3;padding:2px 5px;border-radius:3px}.hg-quick-answer{background:#e9ede3;padding:27px 30px;border:1px solid #dbe2d3;border-left:3px solid #7a8e6b;border-radius:4px;margin-bottom:36px}.hg-quick-answer>p:last-child{margin-bottom:0}.hg-quick-answer .hg-eyebrow{margin-bottom:12px!important}.hg-takeaways{margin-bottom:42px}.hg-takeaways h2{font-size:24px}.hg-takeaways ul{font-size:16px;line-height:1.8;margin-block:10px 0}.hg-takeaways li{margin:7px 0}.hg-callout{margin:28px 0;padding:24px 26px;border:1px solid #d8ddcf;border-left:3px solid #839470;border-radius:4px;background:#eeeee4;font-size:16px;line-height:1.85}.hg-callout>strong{display:block;color:var(--hg-ink);margin-bottom:7px}.hg-callout p{margin:0}.hg-callout-amber{background:#f3ede0;border-color:#e5d8bd;border-left-color:#b78b48}.hg-table-wrap{margin:28px 0 32px;overflow-x:auto;border:1px solid var(--hg-line);border-radius:4px}.hg-table-wrap table{width:100%;min-width:450px;border-collapse:collapse;font-size:15px;line-height:1.8}.hg-table-wrap :is(th,td){text-align:left;padding:17px 20px;vertical-align:top;border-bottom:1px solid var(--hg-line)}.hg-table-wrap th{background:#e9ede3;font-weight:600;color:var(--hg-ink)}.hg-table-wrap td:first-child{width:44%;color:var(--hg-ink);font-weight:500}.hg-table-wrap tr:last-child td{border-bottom:0}.hg-table-wrap caption{padding:15px;font-size:13px;text-align:left}
.hg-faq{border-top:1px solid var(--hg-line);margin-top:55px;padding-top:36px}.hg-faq details{border-bottom:1px solid var(--hg-line);padding:0}.hg-faq summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:68px;padding:17px 0;font-size:17px;font-weight:550;line-height:1.6;color:var(--hg-ink);list-style:none}.hg-faq summary::-webkit-details-marker{display:none}.hg-faq summary>span{font-size:24px;font-weight:300;flex-shrink:0}.hg-faq details[open] summary>span{transform:rotate(45deg)}.hg-faq details>p{font-size:16px;line-height:1.85;padding-right:30px}.hg-sources{margin-top:45px;padding-top:28px;border-top:1px solid var(--hg-line);font-size:14px}.hg-sources h2{font-size:23px}.hg-sources>p{font-size:13px;line-height:1.8;color:var(--hg-muted)}.hg-sources a{text-decoration:underline;text-decoration-color:#b0b9a9;text-underline-offset:4px}.hg-sources ul{padding-left:18px}.hg-sources li{margin:8px 0}.hg-article-cta{padding:33px 35px;margin-top:45px;background:#e9ede3;border:1px solid #d8decf;border-radius:5px}.hg-article-cta h2{font-size:30px}.hg-article-cta>p:not(.hg-eyebrow){font-size:15px;line-height:1.85}.hg-article-cta .hg-text-link{display:block;margin-top:18px}.hg-related{padding-top:45px;padding-bottom:80px;border-top:1px solid var(--hg-line)}.hg-related>h2{font-size:38px;margin-bottom:32px}
.heirvo-guides .hg-container{margin-inline:auto}
@media(min-width:1500px){.hg-library-hero{gap:85px;padding-block:80px}.hg-card-grid{gap:32px}}
@media(max-width:1050px){.hg-container{width:calc(100% - 64px)}.hg-library-hero{gap:36px;padding-block:55px}.hg-feature-copy{padding:32px}.hg-browse-heading{align-items:start;flex-direction:column;gap:24px}.hg-search{flex-basis:auto;width:400px}.hg-reading-layout{grid-template-columns:180px minmax(0,1fr);gap:40px}.hg-card-grid{gap:20px}.hg-card-copy{padding:20px}.hg-card h3{font-size:24px}.hg-help{padding:35px}.hg-help h2{font-size:31px}}
@media(max-width:800px){.hg-nav-links{gap:20px}.hg-nav-links>a:first-child{display:none}.hg-library-hero{grid-template-columns:1fr;gap:35px}.hg-library-hero h1{font-size:60px}.hg-lead{max-width:580px}.hg-library-figure{max-width:620px;transform:none}.hg-start-here{grid-template-columns:1fr;gap:25px}.hg-start-here h2 br{display:none}.hg-feature-card{grid-template-columns:1fr}.hg-feature-photo img{min-height:0;max-height:330px}.hg-feature-copy{padding:32px}.hg-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hg-filter-bar{align-items:start;flex-direction:column;gap:15px}.hg-reading-layout{grid-template-columns:1fr;gap:35px;padding-top:30px}.hg-toc{position:static;max-height:none;overflow:visible;padding:20px;background:#eeeee5;border:1px solid var(--hg-line);border-radius:4px}.hg-toc nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}.hg-toc .hg-eyebrow{grid-column:1/-1}.hg-toc nav>a{min-height:44px;font-size:12px}.hg-back-link{display:none}.hg-article-image img{height:330px}.hg-help{align-items:start;flex-direction:column;gap:25px}.hg-footer-bottom{align-items:start;flex-direction:column;gap:18px}.hg-footer-top>p{font-size:17px}}
@media(max-width:540px){.hg-container{width:calc(100% - 40px)}.hg-nav{height:70px;gap:18px}.hg-nav-links{display:none}.hg-brand{font-size:30px}.hg-button-small{font-size:12px;gap:12px}.hg-library-hero{padding-block:44px 38px}.hg-library-hero h1{font-size:48px;letter-spacing:-2px}.hg-lead{font-size:16px;line-height:1.85;margin-top:20px!important}.hg-library-figure{padding:5px}.hg-library-figure figcaption{font-size:15px;padding:12px 5px 6px}.hg-start-here{padding-block:32px}.hg-start-here h2{font-size:30px}.hg-paths a{gap:10px;grid-template-columns:26px 1fr 18px}.hg-paths strong{font-size:15px}.hg-paths small{font-size:12px}.hg-feature{padding-top:38px}.hg-feature-copy{padding:27px 24px}.hg-feature-copy h2{font-size:32px}.hg-feature-copy .hg-text-link{font-size:13px}.hg-browse{padding-block:48px}.hg-browse h2{font-size:32px}.hg-search{width:100%;min-height:48px}.hg-topic-filters{gap:7px}.hg-topic-filters button{font-size:12px;padding:8px 11px}.hg-card-grid{grid-template-columns:minmax(0,1fr);gap:24px}.hg-card h3{font-size:27px}.hg-card-copy{padding:24px}.hg-card-description{font-size:14px}.hg-card-meta{font-size:11px}.hg-help{padding:28px 25px;margin-bottom:45px}.hg-help h2{font-size:30px}.hg-help>p{font-size:14px}.hg-footer{padding-top:30px}.hg-footer-top{align-items:start;flex-direction:column;gap:18px}.hg-footer-top>p{font-size:18px}.hg-footer-bottom nav{gap:18px}.hg-article-header{padding-top:25px;padding-bottom:28px}.hg-breadcrumb{font-size:11px;gap:8px;margin-bottom:30px}.hg-article-header h1{font-size:39px;line-height:1.12;letter-spacing:-1.4px}.hg-article-intro{font-size:17px;line-height:1.85;margin-top:22px!important}.hg-article-meta{font-size:11px;gap:8px}.hg-article-image img{height:235px}.hg-toc nav{gap:0 15px}.hg-toc{padding:20px 18px}.hg-article-body{font-size:17px;line-height:1.9}.hg-article-body h2{font-size:29px}.hg-article-section{margin-top:37px}.hg-quick-answer{padding:23px}.hg-takeaways h2{font-size:23px}.hg-takeaways ul{font-size:15px}.hg-callout{padding:20px;font-size:15px}.hg-faq summary{font-size:16px}.hg-article-cta{padding:26px 24px}.hg-article-cta h2{font-size:28px}.hg-article-cta .hg-button{font-size:13px;gap:16px}.hg-reading-layout{padding-bottom:45px}.hg-related{padding-block:30px 50px}.hg-related>h2{font-size:33px}.hg-related .hg-card-grid{gap:25px}}
@media(prefers-reduced-motion:reduce){.heirvo-guides *{scroll-behavior:auto!important;animation:none!important;transition:none!important}.hg-card:hover{transform:none}}
@media print{.hg-header,.hg-footer,.hg-toc,.hg-related,.hg-article-cta{display:none}.hg-container{width:100%;max-width:none}.hg-reading-layout{display:block;padding:0}.hg-article-image img{height:180px}.hg-article-body{font-size:11pt}.hg-article-header h1{font-size:30pt}.hg-faq details>p{display:block}}
.hg-retired{padding-block:80px;min-height:65vh;max-width:950px}.hg-retired h1{font-size:clamp(36px,5vw,62px);line-height:1.1}.hg-retired>p:not(.hg-eyebrow){font-size:18px;line-height:1.9;max-width:760px}.hg-retired>.hg-text-link{display:block;margin-top:24px}.hg-article-section code{overflow-wrap:anywhere;word-break:break-word;font-size:.82em}