:root{color-scheme:light;--ink:#242821;--muted:#667064;--green:#315c46;--paper:#fbfaf6;--line:#e5e7df;--wash:#f0f3ed}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main,footer{width:min(760px,calc(100% - 40px));margin:auto}header{padding:34px 0 25px;border-bottom:1px solid var(--line)}header a{color:var(--green);font-weight:700;text-decoration:none;letter-spacing:.04em}main{padding:32px 0 60px}h1{font-size:clamp(28px,6vw,38px);line-height:1.25;margin:8px 0 12px;letter-spacing:-.03em}h2{font-size:20px;line-height:1.4;margin:32px 0 8px}p,li{color:#444b42}p.meta,.eyebrow{color:var(--muted);font-size:14px}a{color:var(--green)}.callout{margin:24px 0;padding:16px 18px;background:var(--wash);border-radius:14px}footer{border-top:1px solid var(--line);padding:22px 0 36px;color:var(--muted);font-size:14px}nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:12px}nav a{font-weight:600}ul{padding-left:22px}.todo{padding:12px 16px;background:#fff2d6;border:1px solid #f2dca9;border-radius:10px;color:#705516}