*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 var(--body)}a{color:inherit;text-underline-offset:4px}h1,h2,h3{font-family:var(--head);line-height:1.12;letter-spacing:-.025em;margin:0 0 1rem}h1{font-size:clamp(2.7rem,5.5vw,5.3rem);max-width:16ch}h2{font-size:clamp(1.7rem,3vw,2.7rem)}h3{font-size:1.35rem}p{margin:0 0 1.2rem}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,output:focus-visible{outline:3px solid var(--focus);outline-offset:4px}.skip{position:absolute;top:-100px;left:1rem;z-index:9;background:white;color:black;padding:1rem}.skip:focus{top:1rem}main{max-width:1320px;margin:auto;padding:0 3rem}.site-header{display:flex;align-items:center;gap:2rem;max-width:1440px;margin:auto;padding:2rem 3rem}.site-header nav{display:flex;gap:1.5rem;margin-left:auto}.site-header nav a{text-decoration:none;padding:.5rem 0}.wordmark{font-weight:bold;font-size:1.25rem;text-decoration:none;letter-spacing:-.04em;line-height:1.15}.nav-note{font-size:.8rem;margin:0}.eyebrow{text-transform:uppercase;font-size:.7rem;letter-spacing:.16em;font-weight:bold;margin-bottom:1.5rem}.lede{font-size:1.15rem;max-width:65ch}.hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:3rem;padding:4.5rem 0 5.5rem}.hero-art{display:block;width:100%;height:auto;max-width:440px}.actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;margin-top:2rem}.button,button{cursor:pointer;display:inline-block;background:var(--ink);color:var(--bg);border:1px solid var(--ink);padding:.85rem 1.25rem;border-radius:var(--radius);font-size:.93rem;font-weight:bold;text-decoration:none;line-height:1.5}.secondary{background:transparent;color:var(--ink);border-color:var(--line)}.text-link{font-size:.95rem}.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:3rem;border-block:1px solid var(--line);padding:1.8rem 0}.principles b{display:block;font:1.3rem var(--head)}.principles p{font-size:.9rem;margin:0}.home-tools,.home-guides{padding:5rem 0}.section-heading{max-width:50rem;margin-bottom:2.5rem}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.3rem}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.3rem}.card{display:block;text-decoration:none;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius);padding:1.8rem;min-width:0;transition:transform .15s}.card:hover{transform:translateY(-3px);border-color:var(--ink)}.card-kind{display:block;font-size:.67rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1.3rem;font-weight:bold}.card p{font-size:.94rem}.card-arrow{font-size:1.7rem}.source-panel{background:var(--tint);padding:2.5rem;border-radius:var(--radius);margin:1rem 0 5rem}.source-panel h2{font-size:1.5rem}.sources{padding-left:1.3rem;font-size:.94rem}.sources li{margin:.5rem 0}.page-intro{padding:4rem 0 2rem}.page-intro+.guide-grid,.page-intro+.tool-grid{margin-bottom:5rem}.breadcrumbs{font-size:.8rem;padding-top:2rem}.article-heading{padding:3rem 0;max-width:950px}.article-heading h1{font-size:clamp(2.4rem,4.8vw,4.3rem);max-width:21ch}.article-layout{display:grid;grid-template-columns:230px minmax(0,760px);gap:5rem;margin-bottom:5rem}.article-toc{position:sticky;top:2rem;align-self:start;border-top:2px solid var(--ink);padding-top:1rem;font-size:.83rem}.article-toc a{display:block;margin:1rem 0;line-height:1.5}.article-body section{margin-bottom:3rem;scroll-margin-top:2rem}.article-body h2{font-size:1.8rem}.article-body p{line-height:1.9}.takeaway{background:var(--tint);border-left:4px solid var(--ink);padding:1.6rem}.takeaway li{margin:.6rem 0}.small{font-size:.8rem}.article-next{display:grid;gap:1rem;border-top:1px solid var(--line);padding-top:1.5rem}.calculator-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:3rem;align-items:start;margin-bottom:4rem}.calculator,.method-panel{padding:2rem;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.3rem}.field label{display:block;font-size:.87rem;font-weight:bold;margin-bottom:.5rem}.field input,.field select{width:100%;padding:.7rem;min-height:48px;background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:4px}.field:has(select){grid-column:1/-1}.method-panel{background:var(--tint);border:0}.method-panel h2{font-size:1.4rem}output{display:block;border:1px dashed var(--ink);padding:1.3rem;margin:1.3rem 0 2rem;white-space:pre-line}.has-result{background:var(--paper);border-style:solid}fieldset{border:0;padding:0;margin:0}legend{font-weight:bold}.check{display:flex;gap:1rem;align-items:start;border-bottom:1px solid var(--line);padding:1rem 0;font-size:.95rem}.check input{flex:0 0 22px;width:22px;height:22px;margin-top:.3rem;accent-color:var(--ink)}.legal{max-width:800px;margin:4rem auto 6rem}.legal h1{font-size:3rem;max-width:23ch}.legal h2{font-size:1.5rem;margin-top:2.5rem}footer{padding:3rem max(2rem,calc((100vw - 1224px)/2));border-top:1px solid var(--line);font-size:.82rem}footer p{max-width:85ch}.footer-brand{font-size:1.1rem;font-weight:bold}footer nav{display:flex;gap:1.7rem;flex-wrap:wrap;margin:1rem 0 2rem}
.earn{--bg:#f9f9ee;--paper:#fffef7;--ink:#164c3a;--line:#b6c7b7;--tint:#e9eed9;--focus:#a64114;--head:Georgia,serif;--body:'Trebuchet MS',Arial,sans-serif;--radius:12px}.earn h1,.earn h2{font-weight:400}.earn .hero-art{background:#164c3a;border-radius:50% 50% 12px 12px;padding:1rem}.earn .wordmark{font:1.6rem Georgia,serif;max-width:9ch}.earn .home-tools .card{background:var(--tint);border:0}.earn .home-guides .card{border-inline:0;border-radius:0;background:none}
.house{--bg:#fbf7ee;--paper:#fffdf7;--ink:#2e3f59;--line:#c3c6c9;--tint:#e9edf3;--focus:#b05a35;--head:Georgia,serif;--body:Arial,sans-serif;--radius:0}.house h1,.house h2{font-weight:400}.house .site-header{display:grid;grid-template-columns:1fr auto;gap:.7rem;border-bottom:3px double var(--ink);padding-block:1.5rem}.house .wordmark{font:2rem Georgia,serif}.house .site-header .nav-note{grid-column:1}.house .site-header nav{grid-column:2;grid-row:1/3}.house .hero{grid-template-columns:1fr 1.3fr;padding-top:3rem}.house .hero-visual{border-right:1px solid var(--line);padding-right:2rem}.house .hero-visual p{font:italic .9rem Georgia,serif;text-align:center}.chapter-strip{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}.chapter-strip a{padding:1.2rem;font-size:.83rem;text-decoration:none;border-right:1px solid var(--line)}.house .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.house .card{border-top:4px solid #b86543}.house .home-guides .guide-grid{display:block;columns:2;column-gap:4rem}.house .home-guides .card{break-inside:avoid;border:0;border-bottom:1px solid var(--line);padding:1.5rem 0;background:none}.house .card-arrow{display:none}.house .button,.house button{background:#a95132;color:white;border-color:#a95132}.house .secondary{background:transparent;color:var(--ink);border-color:var(--line)}
.flip{--bg:#fff3dc;--paper:#fffbf2;--ink:#251d3b;--line:#ac9bb5;--tint:#e8d8f1;--focus:#7442a6;--head:Impact,'Arial Narrow',Arial,sans-serif;--body:Verdana,Arial,sans-serif;--radius:0;padding-left:235px}.flip .site-header{position:fixed;inset:0 auto 0 0;width:235px;flex-direction:column;align-items:start;padding:2.2rem 1.7rem;background:#251d3b;color:#fff3dc;z-index:2}.flip .wordmark{font:2.25rem Impact,'Arial Narrow',Arial,sans-serif;text-transform:uppercase}.flip .site-header nav{flex-direction:column;margin:2rem 0;gap:.5rem}.flip .nav-note{margin-top:auto}.flip main{padding:0 2.5rem}.flip h1{text-transform:uppercase;font-size:clamp(3rem,5vw,5.5rem)}.flip .hero{grid-template-columns:1.4fr 1fr;gap:1rem}.flip .hero-art{transform:rotate(3deg)}.notice-band{background:#ffb857;border:2px solid var(--ink);padding:1.6rem;box-shadow:6px 6px 0 var(--ink)}.flip .card{border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink)}.flip .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.7rem}.flip .tool-grid{gap:1.7rem}.flip footer{padding:3rem 2.5rem}
.adult{--bg:#f3f3ed;--paper:#fffdf8;--ink:#313d43;--line:#aebdb8;--tint:#dce8e1;--focus:#a5402e;--head:'Trebuchet MS',Arial,sans-serif;--body:Verdana,Arial,sans-serif;--radius:22px}.adult .site-header{border-bottom:1px solid var(--line)}.adult .hero{display:block;text-align:center;max-width:900px;margin:auto;padding:5rem 0 4rem}.adult .hero h1{max-width:18ch;margin:0 auto 1.5rem}.adult .hero .lede{margin:auto;max-width:58ch}.adult .hero .actions{justify-content:center}.adult-note{display:grid;grid-template-columns:1fr 1.5fr;align-items:center;gap:3rem;background:#dce8e1;border-radius:28px;padding:1.5rem 3rem}.adult-note .hero-art{max-width:300px}.adult .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.adult .card:nth-child(3n+2){background:#f7e1d6}.adult .card:nth-child(3n){background:#e6e4f1}.adult .card-arrow{display:none}.adult .home-guides .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.adult .button,.adult button{border-radius:100px}
.career{--bg:#f7fafc;--paper:#fff;--ink:#183549;--line:#b6c7d3;--tint:#e1edf3;--focus:#a44b08;--head:Arial,Helvetica,sans-serif;--body:Georgia,serif;--radius:2px}.career .site-header{border-bottom:1px solid var(--ink);padding-block:1.5rem;font-family:Arial,sans-serif}.career .nav-note{border-left:1px solid var(--line);padding-left:1.6rem}.career .hero{display:block;padding-top:3.5rem}.career-heading{border-bottom:1px solid var(--line);padding-bottom:2rem}.career-heading h1{max-width:18ch;letter-spacing:-.055em;font-size:clamp(3rem,6vw,5.8rem)}.career-body{display:grid;grid-template-columns:1fr 1.8fr;align-items:center;gap:4rem;padding-top:2.5rem}.career-body .hero-art{max-width:270px}.career .eyebrow,.career .button,.career button,.career .card-kind{font-family:Arial,sans-serif}.career .home-tools{background:#183549;color:#f7fafc;margin-inline:-3rem;padding:4rem 3rem}.career .home-tools .card{color:#183549;background:#e1edf3;border:0}.career .home-tools .tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.career .home-guides .guide-grid{grid-template-columns:1fr;gap:0}.career .home-guides .card{display:grid;grid-template-columns:110px 1fr 1.2fr 20px;gap:1rem;align-items:start;padding:1.6rem 0;border:0;border-top:1px solid var(--line);background:none}.career .home-guides .card-kind{margin:.3rem 0}.career .home-guides .card h3{font-size:1.3rem}.career .home-guides .card p{margin:0}
@media(max-width:1000px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:180px minmax(0,1fr);gap:2.5rem}.flip{padding-left:190px}.flip .site-header{width:190px;padding:1.5rem}.flip .wordmark{font-size:1.8rem}.flip .hero{display:block}.flip .hero-art{max-width:240px;margin:2rem auto}.house .tool-grid,.adult .tool-grid,.career .home-tools .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.calculator-layout{gap:1.5rem}.fields{grid-template-columns:1fr}.career .nav-note{display:none}}
@media(max-width:720px){main{padding:0 1.25rem}.site-header{padding:1.3rem 1.25rem;gap:1rem;flex-wrap:wrap}.site-header nav{gap:1rem;font-size:.83rem}.wordmark{max-width:12ch}.nav-note{display:none}.hero{grid-template-columns:1fr;gap:2rem;padding:3rem 0}.hero-art{max-width:300px;margin:auto}h1{font-size:2.9rem}.lede{font-size:1.05rem}.principles{grid-template-columns:1fr;gap:1rem}.principles b{font-size:1.1rem}.home-tools,.home-guides{padding:3.5rem 0}.guide-grid,.tool-grid,.flip .guide-grid,.house .tool-grid,.adult .tool-grid,.career .home-tools .tool-grid{grid-template-columns:1fr}.card{padding:1.5rem}.article-layout{grid-template-columns:1fr;gap:2rem}.article-toc{position:static}.article-toc a{display:inline-block;margin:.5rem 1rem .5rem 0}.article-heading{padding:2rem 0}.article-heading h1{font-size:2.5rem}.calculator-layout{grid-template-columns:1fr}.fields{grid-template-columns:1fr}.calculator,.method-panel{padding:1.4rem}.source-panel{padding:1.4rem;margin-bottom:3rem}.legal{margin:3rem 0}.legal h1{font-size:2.3rem}.house .site-header{grid-template-columns:1fr;padding-inline:1.25rem}.house .wordmark{font-size:1.6rem;max-width:none}.house .site-header nav{grid-column:1;grid-row:2;margin-left:0}.house .hero{display:flex;flex-direction:column-reverse;gap:2rem}.house .hero-visual{border:0;padding:0}.house .hero-visual .hero-art{max-width:230px}.chapter-strip{grid-template-columns:1fr 1fr}.chapter-strip a{padding:1rem;border-bottom:1px solid var(--line)}.house .home-guides .guide-grid{columns:1}.flip{padding-left:0}.flip .site-header{position:static;width:auto;flex-direction:row;align-items:center;justify-content:space-between;padding:1.4rem 1.25rem}.flip .wordmark{max-width:9ch;font-size:1.55rem}.flip .site-header nav{flex-direction:row;margin:0;gap:1rem}.flip main{padding:0 1.25rem}.flip h1{font-size:3.3rem}.flip footer{padding:2rem 1.25rem}.adult .hero{padding:3.5rem 0}.adult .hero h1{font-size:2.85rem}.adult-note{grid-template-columns:1fr;padding:1.5rem;gap:1rem}.adult-note .hero-art{max-width:180px}.adult .home-guides .guide-grid{grid-template-columns:1fr}.career-heading h1{font-size:3.2rem}.career-body{grid-template-columns:1fr;gap:1rem;padding-top:1rem}.career-body .hero-art{max-width:200px}.career .home-tools{margin-inline:-1.25rem;padding:3rem 1.25rem}.career .home-guides .card{grid-template-columns:1fr;gap:.5rem}.career .home-guides .card-arrow{display:none}footer{padding:2rem 1.25rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.card{transition:none}.card:hover{transform:none}}@media print{.site-header,footer,.actions,.article-toc,.skip,button{display:none!important}body{background:white!important;color:black!important;padding:0!important}main{padding:0!important}.calculator-layout,.article-layout{display:block}.calculator,.method-panel{border:1px solid #777;break-inside:avoid;background:white!important;margin:1rem 0}input,select{border:1px solid #777!important}h1{font-size:2rem!important}}
/* Interior architecture is intentionally different for each publication. */
.house .article-layout{display:block;max-width:850px;margin-inline:auto}.house .article-toc{position:static;border-block:1px solid var(--line);padding:1.2rem 0;margin-bottom:3rem;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.3rem 2rem}.house .article-toc b{grid-column:1/-1}.house .article-toc a{margin:.4rem 0}.house .article-body section{border-bottom:1px solid var(--line);padding-bottom:2rem}.house .takeaway{border-left:0;border-top:4px solid #a95132}.house .calculator{border-top:5px solid #a95132}.house .method-panel{border:1px solid var(--ink);background:var(--paper)}.house output{border:0;border-block:1px solid var(--line);padding-inline:0;font-family:Georgia,serif;font-size:1.1rem}
.flip .article-heading{background:var(--ink);color:var(--bg);padding:2rem;margin-top:2rem;box-shadow:8px 8px 0 #ffb857}.flip .article-layout{display:block;max-width:950px}.flip .article-toc{display:flex;flex-wrap:wrap;gap:.6rem 1rem;position:static;margin:2.5rem 0;border:0;padding:0}.flip .article-toc b{width:100%}.flip .article-toc a{border:1px solid var(--ink);padding:.5rem .7rem;margin:0;background:#e8d8f1;text-decoration:none}.flip .article-body>section{padding:1.7rem;border:2px solid var(--ink);box-shadow:4px 4px 0 #ac9bb5;background:var(--paper)}.flip .article-body .takeaway{background:#ffdb9d}.flip .calculator-layout{grid-template-columns:1fr}.flip .fields{grid-template-columns:repeat(3,minmax(0,1fr))}.flip .method-panel{border:2px solid var(--ink);box-shadow:5px 5px 0 var(--ink)}.flip output{font-weight:bold;border-width:2px}
.adult .article-layout{grid-template-columns:minmax(0,760px) 230px;gap:3rem}.adult .article-toc{order:2;border:0;border-radius:22px;background:#dce8e1;padding:1.5rem}.adult .article-body{order:1}.adult .article-body>section{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:2rem}.adult .article-body .takeaway{background:#f7e1d6;border-left:1px solid var(--line)}.adult .method-panel{background:#f7e1d6}.adult .fields{grid-template-columns:1fr}
.career .article-heading{border-left:7px solid #f4bc74;padding-left:2rem;margin-top:2rem}.career .article-toc{background:var(--ink);color:var(--bg);padding:1.5rem;border:0}.career .article-body h2{border-top:1px solid var(--line);padding-top:1rem}.career .takeaway{border:0;background:var(--tint)}.career .takeaway h2{border:0}.career .calculator{border:0;border-top:3px solid var(--ink)}.career .method-panel{border-left:5px solid #f4bc74}.career output{background:var(--paper);border:0;font-family:Arial,sans-serif}
@media(max-width:720px){.earn .site-header{display:block}.earn .site-header nav{margin:1rem 0 0}.house .article-toc{grid-template-columns:1fr}.adult .article-layout{grid-template-columns:1fr}.adult .article-toc{order:0}.adult .article-body{order:1}.adult .article-body>section{padding:1.5rem}.flip .fields{grid-template-columns:1fr}.flip .article-heading{padding:1.5rem}.career .article-heading{padding-left:1.3rem}.house .article-body section{padding-bottom:1.5rem}}
.site-header{width:100%}.adult .site-header nav{margin-right:1rem}.adult .site-header>.nav-note{flex-shrink:0}.site-header nav a{white-space:nowrap}
@media(max-width:720px){.site-header nav{flex-wrap:wrap;max-width:100%}.adult .site-header{display:grid;grid-template-columns:1fr;gap:.6rem}.adult .site-header nav{margin:0}.career .site-header{display:block}.career .site-header nav{margin-top:1rem}.flip .site-header{display:grid;grid-template-columns:1fr;gap:.8rem}.flip .site-header .wordmark{max-width:none}.flip .site-header nav{margin:0}.house .site-header nav{margin-right:0}}