:root{color-scheme:light;--paper:#f5f2e9;--ink:#262a23;--olive:#727b4f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main,header,footer{max-width:780px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #d8d6c8}a{color:#45592e;text-underline-offset:4px}nav{display:flex;gap:16px;font-size:15px}h1{font:700 clamp(36px,7vw,56px)/1.08 Georgia,serif;margin:32px 0 22px}h2{font:700 26px/1.25 Georgia,serif;margin-top:36px}h3{font-size:19px}p,li{max-width:68ch}li{margin-bottom:10px}.brand{font:700 25px Georgia,serif;color:var(--ink);text-decoration:none}.note{font-size:15px;color:#555a4c}.card{border:1px solid #d8d6c8;border-radius:18px;padding:20px 24px;margin:24px 0}footer{font-size:14px;border-top:1px solid #d8d6c8;margin-top:40px}@media(max-width:520px){header{align-items:flex-start;flex-direction:column}main,header,footer{padding:22px}}