@layer base,layout,components,responsive;
@layer responsive{.categories{grid-template-columns:repeat(8,minmax(0,1fr))}.category{min-width:0;overflow-wrap:anywhere}.hero .eyebrow,.green-panel .eyebrow{color:#e1ebd4}h1,h2,h3,.tool-links a{overflow-wrap:anywhere;hyphens:auto}.tool-links a{max-width:100%}.calculator-layout>*{min-width:0}}
@layer base{
:root{--green:#365b3a;--deep:#203e2c;--leaf:#86a96b;--sand:#e9e0cf;--paper:#faf9f5;--ink:#23352b;--muted:#596459;--line:#dedfd4;--wash:#eff1e9;--radius:12px;--max:1240px;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.65}h1,h2,h3,.brand{font-family:Georgia,'Times New Roman',serif;line-height:1.12;letter-spacing:-.025em}h1{font-size:clamp(2.3rem,4.8vw,4.6rem);margin:0 0 1.3rem}h2{font-size:clamp(1.9rem,3vw,2.6rem);margin:0 0 .8rem}h3{font-size:1.45rem;margin:.5rem 0 .8rem}p{margin:0 0 1rem}a{color:var(--green);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;height:auto;display:block}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #a87013;outline-offset:4px}::selection{background:#dbe5cb}small{font-size:.875rem}ul,ol{padding-left:1.4rem}li{margin-bottom:.6rem}[hidden]{display:none!important}}
@layer layout{.wrap{max-width:var(--max);margin:auto;padding:0 32px}.top{display:flex;align-items:center;gap:28px;padding-top:22px;padding-bottom:20px}.brand{font-size:2.2rem;font-weight:bold;text-decoration:none;color:#18261c;white-space:nowrap}.brand span{color:var(--green)}.brandmark{display:inline-flex;align-items:center;gap:10px}.brandmark svg{width:39px;height:43px;stroke:var(--green)}.tagline{font-size:.75rem;letter-spacing:.04em;margin:1px 0 0 50px}.searchbar{display:flex;align-items:center;background:var(--wash);border:1px solid var(--line);border-radius:30px;min-width:0;flex:1}.searchbar input{border:0;background:transparent;width:100%;padding:11px 17px;min-width:0;font-size:.875rem}.searchbar button{border:0;background:none;padding:8px 15px;color:var(--ink)}.language{max-width:140px;border:0;background:transparent;padding:9px;color:var(--ink)}.nav{display:flex;gap:26px;justify-content:center;flex-wrap:wrap;padding:9px 20px 15px;border-bottom:1px solid var(--line);font-size:.875rem}.nav a{text-decoration:none;color:var(--ink)}.nav a[aria-current=page]{color:var(--green);font-weight:bold}.menu-button{display:none}.hero{min-height:560px;position:relative;display:flex;align-items:center;isolation:isolate;background:var(--deep);color:white}.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:50% 55%;z-index:-2}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,34,18,.89),rgba(16,34,18,.53) 48%,rgba(16,34,18,.02));z-index:-1}.hero .wrap{width:100%;padding-top:58px;padding-bottom:58px}.hero p{max-width:510px;font-size:1.08rem}.hero .eyebrow{color:#dce6ca}.hero h1{max-width:750px}.hero .actions{margin-top:28px}.hero-note{position:absolute;right:max(32px,calc((100vw - 1176px)/2));bottom:32px;max-width:240px;background:#f3efdf;color:var(--deep);padding:20px;border-radius:8px;font-family:Georgia,serif;font-style:italic;font-size:1.25rem;box-shadow:0 5px 25px #13261922}.section{padding-top:64px;padding-bottom:16px}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:25px}.section-head p{color:var(--muted);margin:0}.section-head>a{white-space:nowrap;font-size:.9rem}.categories{display:grid;grid-template-columns:repeat(8,1fr);gap:8px;padding-top:18px}.category{padding:23px 9px 18px;text-align:center;border-radius:7px;background:var(--wash);color:var(--ink);text-decoration:none;transition:background .2s,transform .2s}.category:hover{background:#e3e9d8;transform:translateY(-3px)}.category svg{width:30px;height:30px;margin:0 auto 12px;display:block;fill:none;stroke:var(--green);stroke-width:1.5}.category strong{display:block;font-size:.87rem;line-height:1.3;min-height:2.4em}.category small{display:block;font-size:.8rem;line-height:1.4;color:var(--muted);margin-top:7px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;color:var(--ink);text-decoration:none;transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}.card:hover{transform:translateY(-3px);box-shadow:0 12px 26px #203e2c12}.card img{height:215px;width:100%;object-fit:cover}.card-body{padding:22px;flex:1}.card p{font-size:.94rem;color:var(--muted)}.card-end{border-top:1px solid var(--line);padding:12px 22px;display:flex;justify-content:space-between;font-size:.875rem}.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{padding:34px;background:var(--wash);border-radius:var(--radius)}.green-panel{background:var(--green);color:white;position:relative;overflow:hidden}.green-panel .eyebrow{color:#dce6ca}.green-panel a{color:white}.green-panel h2{font-size:2.6rem;max-width:330px}.guide-number{font-family:Georgia,serif;font-size:8rem;line-height:1;color:#c6d3ad;margin:30px 0 10px}.newsletter{margin-top:64px;padding:40px;background:#eaece2;border-top:1px solid var(--line);text-align:center}.footer{background:#f1efe6;padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}.footer a{display:block;margin:8px 0;font-size:.9rem}.footer p{color:var(--muted);max-width:400px}.footer-bottom{margin-top:30px;padding-top:20px;border-top:1px solid #d4d8cc;font-size:.8rem;color:var(--muted);display:flex;justify-content:space-between;gap:20px}.page-head{padding:44px 0 30px;background:var(--wash)}.page-head h1{font-size:clamp(2.4rem,4vw,3.8rem);max-width:860px}.page-head .lead{max-width:760px;color:var(--muted);font-size:1.15rem}.breadcrumbs{font-size:.875rem;margin-bottom:24px;display:flex;gap:10px;flex-wrap:wrap}.content-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:45px;padding-top:38px;padding-bottom:45px}.prose{max-width:760px}.prose h2{font-size:1.85rem;margin-top:2rem}.prose h3{font-size:1.3rem}.prose p{max-width:70ch}.detail-photo{width:100%;max-height:380px;object-fit:cover;border-radius:var(--radius);margin-bottom:28px}.sidebar .panel{position:sticky;top:25px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.calculator-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;margin-top:28px}.calculator-layout .panel{align-self:start}.result{background:var(--deep);color:white;padding:30px;border-radius:var(--radius)}.result .btn{background:white;color:var(--deep)}.result-metric{padding:15px 0;border-bottom:1px solid #ffffff33}.result-metric strong{font-family:Georgia,serif;font-size:2rem;display:block}.result h2{font-size:1.7rem}.result p{font-size:.9rem;color:#e5ebdf}.tool-links{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}.tool-links a{padding:9px 15px;border:1px solid var(--line);border-radius:24px;background:white}.search-controls{display:flex;gap:16px;margin:26px 0;align-items:center}.search-controls .searchbar{background:white}.search-controls select{padding:10px;max-width:160px}.search-count{color:var(--muted);font-size:.9rem;margin-bottom:24px}.empty{padding:40px;border:1px dashed #bbc3b4;border-radius:var(--radius);max-width:760px}.empty p{margin-bottom:20px}.list-steps{counter-reset:step;padding:0;list-style:none}.list-steps li{counter-increment:step;display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.list-steps li:before{content:counter(step,decimal-leading-zero);font-family:Georgia,serif;font-size:2rem;color:var(--green);flex:0 0 45px}.drawing{width:100%;background:#f2f3ec;border:1px solid var(--line);border-radius:10px;margin:20px 0}.statusbar{text-align:center;font-size:.75rem;background:#e9e0cf;padding:4px 16px;color:#394934}}
@layer components{.btn{display:inline-flex;align-items:center;justify-content:center;gap:16px;border:1px solid transparent;border-radius:6px;padding:12px 22px;min-height:46px;background:var(--green);color:white;text-decoration:none;font-weight:600;font-size:.94rem;line-height:1.35}.btn:hover{background:var(--deep)}.btn-outline{border-color:#ffffffb3;background:transparent}.btn-outline:hover{background:#ffffff1c}.btn-light{background:#f5f5e8;color:var(--deep)}.btn-light:hover{background:#e0e8d5}.btn-text{background:transparent;border:0;color:var(--green);padding:8px 0}.actions{display:flex;flex-wrap:wrap;gap:12px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem!important;font-weight:700;color:var(--green);margin-bottom:12px}.tag{display:inline-block;font-size:.75rem;font-weight:600;background:#e9eddf;padding:4px 10px;border-radius:4px;color:var(--green);margin:0 5px 10px 0}.field{display:flex;flex-direction:column;gap:6px;font-size:.875rem}.field input,.field select{min-width:0;width:100%;border:1px solid #bdc7b7;border-radius:6px;padding:10px 12px;background:white;color:var(--ink);min-height:46px}.field small{font-size:.75rem;color:var(--muted)}.form-actions{margin-top:22px}.note{font-size:.875rem;color:var(--muted);margin-top:18px}.warning{border-left:3px solid #a87938;background:#f2e9d5;padding:13px 17px;font-size:.875rem;margin:20px 0}.error{color:#a32222;font-size:.875rem}.skip{position:fixed;top:-100px;left:20px;z-index:99;background:white;padding:12px}.skip:focus{top:12px}.number{font-variant-numeric:tabular-nums}.print-button{margin:15px 0}.source-list{font-size:.9rem}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.wide{grid-column:1/-1}}
@layer responsive{@media(min-width:1600px){.hero{min-height:600px}}@media(max-width:1100px){.nav{gap:17px}.top{gap:20px}.top>.btn{display:none}.categories{grid-template-columns:repeat(4,1fr)}.category strong{min-height:0}.category small{display:none}.hero-note{display:none}.grid{gap:16px}.brand{font-size:1.9rem}.tagline{font-size:.65rem}.content-layout{gap:25px}}@media(max-width:760px){.wrap{padding-left:20px;padding-right:20px}.top{flex-wrap:wrap;gap:12px;padding-top:14px;padding-bottom:14px}.top .brandmark{margin-right:auto}.top .searchbar{order:5;flex-basis:100%}.top .language{max-width:108px;padding:8px 0}.menu-button{display:block;background:none;border:1px solid var(--line);padding:7px;border-radius:5px;font-size:.875rem}.nav{display:none;justify-content:flex-start;padding:15px 20px;gap:0}.nav.open{display:grid;grid-template-columns:1fr 1fr}.nav a{padding:9px 4px}.brand{font-size:1.65rem}.brandmark svg{width:28px}.tagline{display:none}.hero{min-height:510px}.hero .wrap{padding-top:40px;padding-bottom:40px}.hero h1{font-size:3rem}.hero p{font-size:1rem;max-width:400px}.hero:before{background:linear-gradient(90deg,#122515de,#12251565)}.hero img{object-position:60% center}.categories{gap:6px;padding-top:12px}.category{padding:16px 5px}.category strong{font-size:.75rem}.category svg{width:26px;height:26px}.section{padding-top:40px}.section-head{display:block}.section-head>a{display:inline-block;margin-top:12px}.grid{grid-template-columns:1fr 1fr}.grid>.card:last-child:nth-child(odd){grid-column:1/-1}.split,.calculator-layout,.content-layout{grid-template-columns:1fr}.card img{height:175px}.card-body{padding:17px}.card h3{font-size:1.25rem}.card p{font-size:.875rem}.card-end{padding:10px 17px}.panel{padding:25px}.green-panel h2{font-size:2.2rem}.guide-number{font-size:6rem}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:4px}.newsletter{margin-top:40px;padding:30px 20px}.content-layout{padding-top:25px}.page-head{padding-top:26px}.search-controls{align-items:stretch;flex-direction:column}.statusbar{font-size:.7rem}.sidebar .panel{position:static}}@media(max-width:390px){.hero h1{font-size:2.55rem}.hero .actions{flex-direction:column;align-items:start}.grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.categories{grid-template-columns:repeat(2,1fr)}.top{gap:8px}.brand{font-size:1.45rem}.top .language{font-size:.85rem;max-width:90px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}@media print{header,footer,.newsletter,.statusbar,.actions,.print-button,.sidebar,.tool-links,.form-actions{display:none!important}body{background:white;color:black}.wrap{max-width:none;padding:0}.page-head{background:white}.content-layout,.calculator-layout{display:block}.result{color:black;background:white}.result p{color:black}.prose{max-width:none}.detail-photo{max-height:200px}.panel{background:white;border:1px solid #ccc}.drawing{max-height:300px}.prose section{break-inside:avoid}.result-metric{border-color:#ccc}a{color:black}}}

.article-figure{margin:0 0 1.5rem}.article-figure figcaption{font-size:.75rem;color:#59645a;line-height:1.6;margin-top:.5rem}.article-meta{font-size:.85rem;color:#59645a}.pagination{display:flex;gap:.5rem;flex-wrap:wrap;margin:2rem 0}.pagination a{padding:.7rem 1rem;border:1px solid #c8d2c5;border-radius:4px}.pagination a[aria-current]{background:#24563d;color:white}.prose h2{scroll-margin-top:2rem}