*{box-sizing:border-box}body{margin:0;background:#f8fafc;color:#1e293b;font:16px/1.75 system-ui,sans-serif}header,main,footer{max-width:850px;margin:auto;padding:24px}header{padding-top:40px}main{background:white;border-radius:16px}h1{font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.2}h2{font-size:1.18rem;line-height:1.4;margin-top:28px}a{color:#176438;text-underline-offset:3px;overflow-wrap:anywhere}nav{display:flex;flex-wrap:wrap;gap:12px 24px;border-top:1px solid #dce5df;padding-top:24px;margin-top:32px}a:focus-visible{outline:3px solid #176438;outline-offset:4px}@media(max-width:600px){header,main,footer{padding:20px}main{border-radius:0}}