:root{color-scheme:light;--paper:#f8f8f2;--ink:#172923;--muted:#4f6259;--green:#183d30;--lime:#e3f1b6;--line:#d9dfd4;--serif:Georgia,"Times New Roman",serif;--sans:"Instrument Sans",system-ui,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans)}main{flex:1 1}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.045em;line-height:1.06}a{color:inherit}a:focus-visible,input:focus-visible{outline:3px solid #3d745a;outline-offset:4px}.wrap{width:min(1120px,calc(100% - 64px));margin-inline:auto}.skip{position:absolute;top:-100px;left:16px;background:white;padding:8px 16px}.skip:focus{top:12px;z-index:3}.header{border-bottom:1px solid var(--line)}.footer-inner,.header-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:74px}.footer nav,.header nav{display:flex;gap:clamp(14px,3vw,35px);font-size:.9rem}.footer nav a,.header nav a{text-decoration:none}.footer nav a:hover,.header nav a:hover{text-decoration:underline}.brand{display:inline-flex;align-items:center;font-weight:750;font-size:1.05rem;letter-spacing:-.045em;text-decoration:none;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:31px;height:31px;margin-right:9px;border-radius:8px;color:var(--lime);background:var(--green);font-size:1.25rem}.brand-tld{color:var(--muted)}.hero{display:grid;grid-template-columns:1.2fr .8fr;grid-gap:clamp(26px,6vw,90px);gap:clamp(26px,6vw,90px);padding-block:clamp(58px,8vw,106px) clamp(60px,7vw,96px)}.eyebrow,.hero{align-items:center}.eyebrow{display:flex;gap:9px;font-size:.68rem;font-weight:750;letter-spacing:.15em;line-height:1.3}.status-dot{width:8px;height:8px;border-radius:100%;background:#58864d}.hero h1{margin:18px 0 22px;font-size:clamp(3.9rem,7.9vw,7.1rem);line-height:.9;letter-spacing:-.075em}.hero h1 em{color:#3a674e;font-weight:400}.hero-description{color:var(--muted);max-width:430px;margin-bottom:27px;font-size:1.07rem}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:18px;background:var(--green);color:white;padding:12px 17px;border-radius:7px;text-decoration:none;font-size:.87rem;font-weight:650}.button:hover{background:#2b5746}.hero-panel{padding:clamp(25px,4vw,42px);background:var(--green);color:white;border-radius:14px}.hero-panel .eyebrow{color:var(--lime)}.hero-panel h2{font-size:clamp(1.8rem,3vw,2.65rem);margin:13px 0 21px}.quick-links{border-top:1px solid #547365}.quick-links a{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:49px;border-bottom:1px solid #547365;text-decoration:none;font-size:.95rem}.quick-links a:hover{color:var(--lime)}.hero-panel a:focus-visible{outline-color:var(--lime)}.quick-links span{color:var(--lime)}.guides{border-top:1px solid var(--line);padding-block:28px 42px}.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px 24px;margin-bottom:22px;flex-wrap:wrap}.calculator-band h2,.section-head h2{font-size:clamp(2rem,3.5vw,3.15rem)}.calculator-band p:not(.eyebrow),.card p,.section-head a{color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:14px;gap:14px}.card{display:block;min-height:219px;padding:22px;border:1px solid var(--line);border-radius:12px;text-decoration:none;transition:border-color .2s,transform .2s;background:#f0f3e9}.card:nth-child(3n+2){background:#f2eee4}.card:nth-child(3n){background:#ecf1ed}.card:hover{border-color:#729583;transform:translateY(-3px)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.round-arrow{border:1px solid #c4cec3;border-radius:100%;display:grid;width:32px;height:32px;place-items:center}.card-title{font-size:clamp(1.6rem,2.4vw,2.2rem);margin:12px 0}.card p{font-size:.92rem}.calculator-band{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px 25px;padding:24px 28px;background:#e7efcf;border-radius:12px}.calculator-band h2{margin:8px 0 5px}.footer{margin-top:58px;border-top:1px solid var(--line)}.article{max-width:790px;padding-block:clamp(42px,7vw,82px) 0}.guide-index-intro{margin-bottom:28px}.article .back{display:inline-block;font-size:.9rem;margin-bottom:24px;color:var(--muted)}.article h1{font-size:clamp(2.8rem,7vw,5.15rem);margin:8px 0 18px}.article .byline{color:var(--muted);font-size:.9rem}.article .guide-source{margin-top:12px}.article .lead{font-size:clamp(1.07rem,2vw,1.24rem);color:var(--muted)}.article section{margin-top:30px}.article h2{font-size:clamp(1.65rem,3vw,2.15rem);margin-bottom:10px}.article p+p{margin-top:12px}.article a{text-underline-offset:4px}.article .next-step{background:#e7efcf;border-radius:12px;padding:24px}.next-step a{display:inline-block;margin-top:12px;font-weight:650}.related{margin:0;padding-left:22px}.related li+li{margin-top:8px}.calculator{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px;margin-top:26px}.fields,.results{border:1px solid var(--line);border-radius:12px;padding:22px}.fields{display:grid;grid-gap:14px;gap:14px}.fields label{display:grid;grid-gap:4px;gap:4px;font-size:.94rem;font-weight:650}.fields input{width:100%;min-height:42px;font:inherit;padding:6px 10px;border-radius:5px;border:1px solid #9caaa0;background:white;color:var(--ink)}.results{background:#e7efcf}.results dl{margin:0;display:grid;grid-gap:12px;gap:12px}.results dt{font-size:.9rem}.results dd{margin:0;font:1.9rem var(--serif);overflow-wrap:anywhere}@media (max-width:760px){.wrap{width:min(100% - 36px,640px)}.cards,.hero{grid-template-columns:1fr}.card{min-height:0}}@media (max-width:470px){.header-inner{flex-wrap:wrap;gap:8px;padding-block:12px}.header nav{gap:18px}.hero 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