@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--paper:#f6f3eb;--ink:#292e29;--muted:#646b5f;--rust:#aa492f;--sage:#e4e9de;--line:#d9d9cd;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--rust)}a:focus-visible{outline:3px solid var(--rust);outline-offset:5px}svg{display:block;max-width:100%;height:auto}p,li{line-height:1.7}p{margin:0 0 1rem}h1,h2,h3{font-family:Manrope,Arial,sans-serif;font-weight:500;line-height:1.12;letter-spacing:-.045em;margin:0}h1{font-size:clamp(2.4rem,5.3vw,4.1rem)}h2{font-size:clamp(1.7rem,3vw,2.35rem)}h3{font-size:1.2rem}em{font-family:Georgia,serif;font-weight:400;color:var(--rust)}.skip{position:absolute;top:-100px;left:20px;z-index:10;background:var(--ink);color:white;padding:12px}.skip:focus{top:12px}.nav{max-width:1280px;margin:auto;min-height:94px;padding:20px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line)}.brand{font-family:Manrope,Arial,sans-serif;font-size:28px;font-weight:650;letter-spacing:-1.5px;display:flex;gap:10px;align-items:center;text-decoration:none}.brand svg{width:26px;height:32px;color:var(--rust)}.nav-links{display:flex;align-items:center;gap:26px;font-size:14px}.nav-links>a{display:inline-flex;align-items:center;min-height:44px}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--ink);color:var(--paper);min-height:49px;padding:13px 21px;text-decoration:none;font-size:14px;font-weight:500;border-radius:2px}.button:hover{color:var(--paper);background:#48543e}.button:after{content:'→';font-size:21px}.button.outline{background:transparent;border:1px solid #79816f;color:var(--ink)}.button.outline:hover{background:var(--sage)}.shell{max-width:1160px;margin:auto;padding:0 40px}.breadcrumbs{margin-top:32px;margin-bottom:30px;font-size:13px;color:var(--muted)}.breadcrumbs span{margin:0 9px}.eyebrow{text-transform:uppercase;letter-spacing:1.8px;font-size:11px;font-weight:600;color:var(--muted);margin-bottom:20px}.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:55px;align-items:center;margin:30px 0 50px}.hero .lead{font-size:17px;line-height:1.65;color:var(--muted);margin:24px 0}.meta{font-size:12px;color:var(--muted);margin-top:18px}.diagram{margin:0;padding:24px 18px;background:var(--sage);border:1px solid #d2d9c9}.diagram svg{width:100%}.diagram figcaption{font-size:13px;line-height:1.6;color:#515e47;margin:16px 8px 0}.diagram text{font-family:'DM Sans',Arial,sans-serif}.takeaway{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;font-size:18px;max-width:930px;margin:0 auto 48px}.takeaway strong{font-weight:600}.article-grid{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(230px,1fr);gap:65px;align-items:start}.article-body{min-width:0}.article-body section{margin:0 0 42px}.article-body h2{margin-bottom:17px}.article-body h3{margin:25px 0 10px}.article-body p,.article-body li{font-size:16px}.article-body ul,.article-body ol{padding-left:23px;margin:17px 0}.article-body li{padding-left:4px;margin:8px 0}.step-label{color:var(--rust);font-size:11px;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}.note{padding:20px 23px;border-left:3px solid var(--rust);background:#ece9df;font-size:15px!important}.formula{padding:22px;background:var(--sage);margin:22px 0;font-variant-numeric:tabular-nums}.formula p:last-child{margin-bottom:0}.formula .big{font-family:Manrope,Arial,sans-serif;font-size:25px;letter-spacing:-1px}.table-wrap{overflow-x:auto;margin:23px 0}table{width:100%;border-collapse:collapse;min-width:380px;font-size:14px;font-variant-numeric:tabular-nums}caption{text-align:left;font-size:13px;color:var(--muted);padding-bottom:12px}th,td{text-align:left;vertical-align:top;padding:13px 10px;border-bottom:1px solid var(--line)}th{background:var(--sage);font-weight:600}.aside{padding:26px;background:#e9ece2;position:sticky;top:25px}.aside .eyebrow{margin-bottom:16px}.aside ul{list-style:none;padding:0;margin:17px 0 26px}.aside li{font-size:14px;line-height:1.6;padding:11px 0;border-bottom:1px solid #d1d8c6}.aside .button{width:100%;font-size:13px}.aside .small{font-size:12px;color:var(--muted);margin-top:14px;margin-bottom:0}.next-guide{padding:25px 0;border-top:1px solid var(--line);font-size:15px}.cta-band{margin:35px 0 70px;background:#e0e5d6;padding:35px 38px;display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:35px}.cta-band h2{margin-bottom:14px}.cta-band p{color:#5d6852;font-size:15px;margin-bottom:0}.cta-band .button{justify-self:end}.footer{max-width:1280px;margin:auto;border-top:1px solid var(--line);padding:30px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:13px;color:var(--muted)}.footer>div{display:flex;gap:24px}.footer a{display:inline-flex;min-height:44px;align-items:center}.index-hero{padding:65px 0 45px;max-width:850px}.index-hero h1{font-size:clamp(2.7rem,6vw,4.75rem)}.index-hero .lead{margin-top:25px;max-width:670px;font-size:18px;color:var(--muted)}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:55px}.guide-card{border:1px solid var(--line);background:#faf8f1;display:flex;flex-direction:column}.card-art{min-height:220px;padding:20px;background:#e4e9de}.card-art.rust{background:#ece3d5}.card-art svg{height:190px;width:100%}.card-copy{padding:29px}.card-copy .eyebrow{margin-bottom:15px}.card-copy h2{font-size:29px;line-height:1.2;margin-bottom:16px}.card-copy p{font-size:15px;color:var(--muted);margin-bottom:22px}.card-copy a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;font-weight:600}.index-note{max-width:790px;margin-bottom:50px;color:var(--muted);font-size:16px}
@media(max-width:850px){.hero{gap:28px;grid-template-columns:1fr 1fr}.shell{padding:0 28px}.article-grid{grid-template-columns:1fr;gap:10px}.aside{position:static;margin-bottom:35px}.aside ul{display:grid;grid-template-columns:1fr 1fr;column-gap:25px}.aside .button{width:auto}.guide-grid{gap:20px}.card-copy{padding:23px}.card-copy h2{font-size:25px}.cta-band{padding:30px;gap:22px}.diagram{padding:16px 10px}}
@media(max-width:620px){.nav{min-height:76px;padding:14px 6%;gap:14px}.brand{font-size:25px}.brand svg{width:23px;height:28px}.nav-links{gap:12px;font-size:12px}.nav-links .button{padding:10px 13px;min-height:44px;font-size:12px}.nav-links .button:after{display:none}.shell{padding:0 6%}.breadcrumbs{margin-top:24px;margin-bottom:24px;font-size:12px}.hero{display:flex;flex-direction:column;align-items:stretch;margin-top:25px;margin-bottom:30px;gap:29px}.hero .lead{font-size:16px;margin:20px 0}.hero h1{max-width:480px}.hero .eyebrow{margin-bottom:15px}.diagram{padding:16px 12px}.diagram figcaption{font-size:13px;margin-top:10px}.takeaway{font-size:16px;margin-bottom:32px;padding:23px 0}.article-body p,.article-body li{font-size:15px}.article-body section{margin-bottom:34px}.article-body h2{font-size:28px}.note{padding:17px;font-size:14px!important}.formula .big{font-size:23px}.aside{padding:22px}.aside ul{grid-template-columns:1fr;margin-bottom:20px}.cta-band{display:block;margin-bottom:42px;padding:28px}.cta-band .button{margin-top:23px}.footer{display:block;padding:22px 6%;font-size:12px}.footer>div{margin-top:12px;gap:25px}.index-hero{padding:43px 0 28px}.index-hero .lead{font-size:16px}.guide-grid{grid-template-columns:1fr;gap:26px;margin-bottom:35px}.card-art{min-height:190px}.card-art svg{height:155px}.card-copy h2{font-size:27px}.index-note{font-size:15px;margin-bottom:32px}.table-wrap{margin-right:-1px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{body{background:white}.nav,.footer,.aside,.cta-band,.breadcrumbs,.hero .button,.skip{display:none!important}.shell{max-width:none;padding:0}.hero{grid-template-columns:1fr 1fr;gap:25px}.article-grid{display:block}.article-body section,.diagram,.formula{break-inside:avoid}h1{font-size:34px}h2{font-size:24px}.article-body p,.article-body li{font-size:12px}.diagram{print-color-adjust:exact}.takeaway{margin-bottom:25px}.next-guide{display:none}}