:root{color-scheme:light;--ink:#202724;--paper:#faf8f1;--line:#c8c7b9;--accent:#346857;--wash:#e3e9da;font:16px/1.65 system-ui,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:.22em}a:focus-visible,input:focus-visible,button:focus-visible{outline:3px solid #096bce;outline-offset:4px}
header,main,footer{width:min(1112px,90%);margin:auto}.bar{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:2px solid var(--ink);gap:1rem}.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font:700 clamp(1.15rem,2.45vw,1.75rem)/1.1 Georgia,serif;letter-spacing:-.04em}.mark{border-radius:50% 50% 8% 50%;width:1.4rem;height:1.4rem;background:var(--accent);border:2px solid var(--ink);transform:rotate(-13deg)}nav,.footlinks{display:flex;flex-wrap:wrap;gap:1.2rem;font-size:.9rem}.skip{position:absolute;left:-200vw}.skip:focus{left:1rem;top:1rem;background:white;padding:.5rem;z-index:5}
.hero{display:grid;grid-template-columns:1.08fr 1fr;gap:clamp(20px,4vw,66px);align-items:center;margin:38px 0 28px}.kicker,.index,.eyebrow{font:700 .71rem/1.5 ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}h1,h2,h3{font-family:Georgia,'Times New Roman',serif;line-height:1.09;letter-spacing:-.045em;text-wrap:balance}h1{font-size:clamp(2.7rem,5.7vw,5.5rem);margin:12px 0 20px}h2{font-size:clamp(1.9rem,3.5vw,3.2rem);margin:10px 0 18px}h3{font-size:clamp(1.35rem,2.2vw,1.85rem);margin:12px 0}p{margin:.4rem 0 1.1rem}.hero p,.lead{font-size:1.15rem;max-width:62ch}.plate{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--wash)}figure{margin:0}figcaption{font:.71rem/1.45 ui-monospace,monospace;margin-top:.5rem;color:#52584e}
.btn{display:inline-block;padding:.62rem 1.05rem;text-decoration:none;font:650 .94rem/1.5 system-ui;background:var(--ink);color:white;border:0;border-radius:.2rem;cursor:pointer}.btn:hover{background:var(--accent)}.rule{margin:38px 0 20px;border-top:2px solid var(--ink);padding-top:16px}.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.cards li{border-top:1px solid var(--line);padding:15px 0}.cards h3 a{text-decoration:none}.cards h3 a:hover,.brand:hover{text-decoration:underline}.cards p,figcaption{color:#454b43}.article{max-width:740px;margin:34px auto 50px}.article h1{font-size:clamp(2.5rem,4.9vw,4rem)}.article h2{font-size:clamp(1.55rem,3vw,2.25rem);margin-top:1.5em}.article p,.article li{font-size:1.07rem}.answer,.worksheet{background:var(--wash);padding:clamp(18px,3vw,34px);border-left:4px solid var(--accent);margin:20px 0}.answer p{margin:.5em 0 0}.worksheet{border:1px solid var(--line);border-top:4px solid var(--accent)}.inputs{display:grid;grid-template-columns:1fr 1fr;gap:16px}.inputs label{display:block;font-weight:650;font-size:.93rem}.inputs input{display:block;width:100%;margin:.3rem 0 .1rem;padding:.55rem;background:#fff;border:1px solid #7e837a;border-radius:2px;color:var(--ink);font:inherit}.limit{font:.75rem/1.4 ui-monospace,monospace;color:#455048}.worksheet output{display:block;border-top:1px solid #9fa79a;margin-top:20px;padding-top:15px}.worksheet output strong,.worksheet output span{display:block}.worksheet output strong{font:700 2.1rem/1.2 Georgia,serif}.worksheet output span{margin-top:.55rem}.crumb{font-size:.85rem}.related{margin-top:32px}.related li{margin:.45rem 0}footer{border-top:2px solid var(--ink);margin-top:3rem;padding:16px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:15px}footer small{color:#41483f}
@media(max-width:750px){.hero{grid-template-columns:1fr;margin-top:25px;gap:18px}.plate{width:min(100%,520px)}.cards{grid-template-columns:1fr;gap:0}.bar{padding:16px 0}.cards h3{margin:5px 0}.cards p{margin-bottom:2px}footer{flex-wrap:wrap}}@media(max-width:460px){.inputs{grid-template-columns:1fr}.bar{align-items:flex-start;flex-direction:column;gap:.6rem}nav{gap:1.4rem}.article p{font-size:1rem}}@media print{nav,footer,.btn,.skip{display:none}.article{max-width:none}.worksheet,.answer{break-inside:avoid}}