:root{color-scheme:light dark;font:18px/1.7 system-ui,sans-serif;color:#234e45;background:#fffbed}body{margin:0}main{max-width:800px;margin:auto;padding:32px 24px 64px}h1,h2,h3{line-height:1.3}h1{font-size:clamp(1.8rem,6vw,2.6rem)}h2{margin-top:2rem}a{color:#146044;overflow-wrap:anywhere}nav{display:flex;gap:16px;padding:16px 0}nav a{min-height:44px;display:inline-flex;align-items:center}.intro{color:#596c62}section+section{border-top:1px solid #aaa;margin-top:48px;padding-top:24px}:focus-visible{outline:3px solid #bb842a;outline-offset:4px}@media(prefers-color-scheme:dark){:root{color:#e8f3ec;background:#142720}a{color:#9be6bb}.intro{color:#b7cabe}}