@layer base,components;
@font-face{font-family:'Libre Franklin';src:url('/assets/fonts/libre-franklin-latin-400-normal.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Libre Franklin';src:url('/assets/fonts/libre-franklin-latin-600-normal.woff2') format('woff2');font-style:normal;font-weight:600;font-display:swap}
@font-face{font-family:'Libre Franklin';src:url('/assets/fonts/libre-franklin-latin-700-normal.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
@font-face{font-family:'Libre Baskerville';src:url('/assets/fonts/libre-baskerville-latin-400-normal.woff2') format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:'Libre Baskerville';src:url('/assets/fonts/libre-baskerville-latin-400-italic.woff2') format('woff2');font-style:italic;font-weight:400;font-display:swap}
@font-face{font-family:'Libre Baskerville';src:url('/assets/fonts/libre-baskerville-latin-700-normal.woff2') format('woff2');font-style:normal;font-weight:700;font-display:swap}
@layer base {
:root{--ink:#173e4b;--muted:#5e6c70;--paper:#faf9f4;--green:#dce7c8;--line:#d8ded4;--oak:#aa7b54;--white:#fffef9;font-family:'Libre Franklin',Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;font-size:16px;line-height:1.6}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:hover{color:#426d4c}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #a27126;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12;letter-spacing:-.035em;font-weight:500}h1{font-family:'Libre Baskerville',Georgia,'Times New Roman',serif;font-size:clamp(2.6rem,5.3vw,5rem)}h2{font-family:'Libre Baskerville',Georgia,'Times New Roman',serif;font-size:clamp(2rem,3vw,2.8rem)}h3{font-size:1.4rem;line-height:1.25}img,svg{max-width:100%}button{border:0}input,select,textarea{color:var(--ink)}[hidden]{display:none!important}
}
@layer components {
.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.narrow{max-width:820px}.skip{position:absolute;left:-10000px}.skip:focus{left:16px;top:8px;z-index:10;background:white;padding:12px}.header{border-bottom:1px solid var(--line)}.header-inner{width:min(1320px,calc(100% - 72px));margin:auto;min-height:98px;display:flex;align-items:center;gap:35px}.brand{display:inline-flex;align-items:center;gap:9px;font-family:'Libre Baskerville',Georgia,serif;font-size:2rem;font-weight:bold;letter-spacing:-.06em;text-decoration:none;line-height:1}.brand-dot{color:#799366}.header nav{display:flex;gap:31px;margin:auto;font-size:.88rem}.header nav a{text-decoration:none}.header-cta{font-size:.8rem;border:1px solid #a8b6ab;border-radius:4px;padding:10px 15px;text-decoration:none;white-space:nowrap}.header-cta span{margin-left:18px}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:50px;padding-block:72px 65px}.eyebrow{font-size:.64rem;letter-spacing:.14em;font-weight:700;line-height:1.5}.hero .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:27px}.small-line{height:1px;width:26px;background:#74895e}.hero h1{margin-bottom:25px;font-size:clamp(3rem,4.5vw,4rem);line-height:1.13}.hero h1 em{font-weight:400;color:#6d8868}.lede{font-size:1.08rem;line-height:1.75;color:#576b70;max-width:530px}.hero .lede{max-width:430px}.hero-actions{display:flex;align-items:center;gap:24px;margin-block:30px}.button{background:var(--ink);color:#fffdf5;display:inline-flex;gap:25px;align-items:center;text-decoration:none;border-radius:4px;padding:14px 22px;font-size:.86rem;font-weight:600;line-height:1.5}.button:hover{background:#2a5662;color:white}.text-link{font-size:.83rem;font-weight:600;text-decoration:none}.hero-footnote{display:flex;align-items:center;gap:8px;font-size:.64rem;color:#5d7066;margin:0}.hero-footnote span:not(:first-child){margin-left:9px}.hero-picture{position:relative;padding-bottom:25px}.hero-art{display:block;width:100%;max-height:500px}.art-note{background:var(--white);border:1px solid #d8ded4;box-shadow:0 4px 12px #173e4b08;padding:12px 20px;border-radius:4px;position:absolute;bottom:3px;left:12%;font-size:.73rem;transform:rotate(-3deg)}.art-note span{color:#83996a;margin-right:8px}.principles{background:#e9eee3;border-block:1px solid #dce3d6}.principles .wrap{display:flex;align-items:center;gap:26px;min-height:74px}.principles span{font-size:.63rem;letter-spacing:.11em;font-weight:700}.principles p{margin:0;font-family:'Libre Baskerville',Georgia,serif;font-size:1.1rem}.principles a{margin-left:auto;font-size:.76rem;text-decoration:none}.section{padding-block:65px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:30px}.section-heading h2{margin:0}.section-heading .eyebrow{color:#52634d;margin-bottom:12px}.section-heading>a{padding-bottom:7px;white-space:nowrap}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{display:flex;flex-direction:column;align-items:start;text-decoration:none;border:1px solid var(--line);border-radius:5px;background:var(--white);padding:25px;transition:border-color .15s}.card:hover{border-color:#718b71}.card-top{display:flex;width:100%;justify-content:space-between;align-items:center}.card-top .eyebrow{font-size:.58rem;color:#617262}.card-number{font-size:.62rem;color:#52634d}.card-icon{background:#edf1e7;border-radius:50%;width:46px;height:46px;display:grid;place-items:center;font-size:1.7rem;margin-block:25px 23px}.card h3{max-width:240px;font-family:'Libre Baskerville',Georgia,serif;font-size:1.7rem;line-height:1.15;margin-bottom:13px}.card p{font-size:.85rem;color:var(--muted);margin-bottom:26px}.card-link{font-size:.77rem;font-weight:bold;display:flex;justify-content:space-between;width:100%;margin-top:auto;padding-top:17px;border-top:1px solid #e4e8df}.small-muted{font-size:.69rem;color:#52634d;margin:20px 0 0}.guides-section{background:#f0f2e9;border-block:1px solid var(--line)}.guide-list{display:grid;grid-template-columns:1fr 1fr;column-gap:55px}.guide-list>a{display:flex;align-items:start;gap:18px;text-decoration:none;padding:27px 0;border-bottom:1px solid #d7ddd0}.guide-index{color:#52634d;font-size:.7rem;padding-top:3px}.guide-list h3{font-family:'Libre Baskerville',Georgia,serif;font-size:1.4rem;margin-block:10px}.guide-list .eyebrow{font-size:.56rem;color:#52634d}.guide-list p{font-size:.79rem;color:var(--muted);margin:0}.guide-arrow{margin-left:auto}.ethos{text-align:center;padding-block:75px;max-width:750px}.ethos .eyebrow{color:#52634d;margin-bottom:20px}.ethos h2{font-size:2.8rem;margin-bottom:20px}.ethos p{font-size:.93rem;color:var(--muted);max-width:570px;margin:0 auto 25px}footer{background:#e8ece2;border-top:1px solid var(--line);padding:48px max(48px,calc((100% - 1200px)/2)) 25px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:30px;padding-bottom:35px}.footer-top p{font-size:.78rem;color:#52634d;margin-top:18px}.footer-top>div:not(:first-child){display:flex;align-items:start;flex-direction:column;gap:8px;font-size:.76rem}.footer-top strong{font-size:.7rem;margin-bottom:8px}.footer-top a:not(.brand){text-decoration:none}.footer-bottom{display:flex;justify-content:space-between;gap:15px;border-top:1px solid #d0d9ca;padding-top:20px;font-size:.65rem}.footer-bottom>div{display:flex;gap:22px}.footer-bottom button{padding:0;background:none;color:inherit;text-decoration:underline;font-size:inherit}.affiliate-note{font-size:.62rem;color:#52634d;max-width:900px;margin:20px 0 0}.page-intro{padding-block:35px 25px}.breadcrumb{display:flex;gap:12px;color:#52634d;font-size:.72rem;margin-bottom:45px}.page-intro h1{max-width:980px;font-size:clamp(2.4rem,4.8vw,4rem);margin-bottom:22px}.page-intro .lede{max-width:760px}.prose{padding-block:15px 70px}.prose h2{font-size:2rem;line-height:1.2;margin-top:40px;margin-bottom:20px}.prose h3{margin-top:25px}.prose p,.prose li{color:#405b62;font-size:1rem;line-height:1.85}.prose li{margin-bottom:10px}.prose a{overflow-wrap:anywhere}.prose table{border-collapse:collapse;width:100%;font-size:.85rem;display:block;overflow:auto}.prose th,.prose td{padding:10px;border:1px solid var(--line);text-align:left}.byline{font-size:.73rem!important;color:#52634d!important;border-bottom:1px solid var(--line);padding-bottom:18px}.notice{border-left:3px solid #8a9b75;background:#eef1e8;padding:22px 25px;margin:28px 0}.notice p{font-size:.88rem;line-height:1.7;margin:8px 0 0}.notice.safety,.notice.ventilation{background:#f5edda;border-color:#ba8b37}.notice a{font-size:.85rem}.sources{border-top:1px solid var(--line);margin-top:40px}.sources li{font-size:.85rem}.next-step{padding:25px;background:#e9eee3;margin-top:40px}.next-step h2{margin-top:0}.guide-cards{grid-template-columns:repeat(2,1fr)}.tool-section{padding-bottom:50px}.island{border:1px solid var(--line);background:var(--white);padding:25px;border-radius:5px}.calculator>p{font-size:.9rem;color:var(--muted)}.tool-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:25px 0}.tool-field label,form>label{display:block;font-size:.85rem;font-weight:600;margin-bottom:7px}input,select,textarea{width:100%;max-width:100%;padding:11px;border:1px solid #aebdb4;border-radius:3px;background:white;line-height:1.4}input[type=checkbox]{width:auto}form>input,form>textarea{margin-bottom:20px}.check{display:flex;align-items:start;gap:10px}.check input{margin-top:6px}.calculator button{padding:13px 20px;background:var(--ink);color:white;border-radius:3px}.tool-result:not(:empty){margin-top:22px;background:#edf2e7;padding:20px}.tool-result h3{font-family:'Libre Baskerville',Georgia,serif}.tool-result p:last-child{margin:0}.calculator fieldset{border:1px solid var(--line);margin:20px 0;padding:15px}.calculator legend{font-weight:bold;padding:0 8px}.table-scroll{overflow:auto;margin-top:20px}.table-scroll table{width:100%;border-collapse:collapse;text-align:left;font-size:.85rem}.table-scroll td,.table-scroll th{padding:10px;border-bottom:1px solid var(--line)}.honeypot{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}.cookie-notice{position:fixed;bottom:15px;left:50%;transform:translateX(-50%);z-index:20;width:min(670px,calc(100% - 30px));padding:16px 22px;background:#fffef9;border:1px solid #bdcbb7;border-radius:6px;box-shadow:0 6px 30px #173e4b20;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:.78rem}.cookie-notice p{margin:0}.cookie-notice>div{display:flex;gap:20px;align-items:center}.cookie-notice button{padding:8px 18px;background:var(--ink);color:white;border-radius:3px}.model-note{font-size:.83rem;padding:15px;background:#f0f2e9}.spec-table{display:grid;gap:16px;margin-block:25px}.spec-card{padding:22px;border:1px solid var(--line);background:#fffef9}.spec-card h3{font-family:'Libre Baskerville',Georgia,serif}.spec-card dl{display:grid;grid-template-columns:1fr 2fr;gap:10px;font-size:.83rem}.spec-card dt{font-weight:bold}.spec-card dd{margin:0}.spec-card p{font-size:.82rem}
@media(min-width:1500px){.hero{padding-block:85px}.hero h1{font-size:4.5rem}}
@media(max-width:900px){.header-inner{width:calc(100% - 40px);min-height:82px;gap:20px}.header nav{gap:20px}.header-cta{display:none}.wrap{width:calc(100% - 48px)}.hero{gap:20px;padding-block:45px}.hero h1{font-size:3.4rem}.hero-actions{align-items:start;flex-direction:column;gap:15px}.hero-footnote{flex-wrap:wrap}.principles .wrap{gap:20px}.principles p{font-size:.9rem}.cards{gap:12px}.card{padding:20px}.card h3{font-size:1.45rem}.guide-list{gap:25px}.hero .eyebrow{font-size:.55rem}.footer-top{grid-template-columns:1fr 1fr 1.3fr}footer{padding-inline:24px}}
@media(max-width:640px){.header-inner{flex-wrap:wrap;justify-content:center;gap:0;padding:17px 0 14px}.brand{font-size:1.8rem}.brand img{width:29px;height:29px}.header nav{width:100%;justify-content:center;margin-top:18px;font-size:.78rem;gap:26px}.wrap{width:calc(100% - 38px)}.hero{grid-template-columns:1fr;padding-block:40px 30px;gap:20px}.hero h1{font-size:3rem}.hero .eyebrow{font-size:.6rem;margin-bottom:22px}.hero .lede{font-size:1rem}.hero-actions{flex-direction:row;align-items:center;gap:18px;margin-block:25px}.button{padding:13px 17px;font-size:.78rem;gap:16px}.text-link{font-size:.75rem}.hero-footnote{font-size:.61rem}.hero-picture{max-width:360px;width:100%;margin:auto}.art-note{font-size:.65rem}.principles .wrap{flex-wrap:wrap;gap:5px 12px;padding-block:18px}.principles span{font-size:.55rem;width:100%}.principles p{font-size:.84rem}.principles a{font-size:.66rem}.section{padding-block:42px}.section-heading{display:block;margin-bottom:23px}.section-heading h2{font-size:2rem}.section-heading>a{display:inline-block;margin-top:18px;padding:0}.cards,.guide-cards{grid-template-columns:1fr;gap:15px}.card{padding:23px}.card h3{font-size:1.8rem;max-width:270px}.card-icon{margin-block:20px 16px}.card p{max-width:300px}.guide-list{grid-template-columns:1fr;gap:0}.guide-list h3{font-size:1.5rem}.ethos{padding-block:50px}.ethos h2{font-size:2.25rem}.footer-top{grid-template-columns:1fr 1fr;font-size:.7rem;gap:25px 16px}.footer-top>div:first-child{grid-column:1/-1}.footer-top>div:last-child a{overflow-wrap:anywhere}.footer-bottom{flex-direction:column;gap:15px;font-size:.63rem}.page-intro{padding-top:25px}.breadcrumb{margin-bottom:30px}.page-intro h1{font-size:2.8rem}.tool-fields{grid-template-columns:1fr}.island{padding:18px}.cookie-notice{font-size:.7rem;padding:13px;gap:10px;flex-wrap:wrap}.cookie-notice>div{margin-left:auto}.spec-card dl{grid-template-columns:1fr}.spec-card dd{margin-bottom:10px}.prose{padding-bottom:40px}.prose h2{font-size:1.8rem}.prose p,.prose li{font-size:.94rem}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.calculator button+button{margin-left:12px}.prose caption,.table-scroll caption{text-align:left;font-weight:600;padding:0 0 14px}.prose table:focus-visible{outline:3px solid #a27126}.eyebrow{color:#52634d}.hero .eyebrow{color:var(--ink)}.field-error{display:block;color:#8e2921;font-size:.8rem;margin-bottom:15px}.measurement{margin:25px 0;padding:20px;border:1px solid var(--line);background:#fffef9}.measurement svg{display:block;width:100%;max-height:220px}.measurement figcaption{font-size:.82rem;color:#405b62;margin-top:12px}
@media(max-width:640px){.calculator button+button{margin:12px 0 0 0;display:block}}
@media(max-width:640px){.header nav{gap:17px;font-size:.72rem;white-space:nowrap}}
}