:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;color:#173f34;background:#f8f5ea;font:18px/1.7 system-ui,sans-serif}main{max-width:780px;margin:auto;padding:40px 24px 80px}a{color:inherit;text-underline-offset:4px}nav{display:flex;flex-wrap:wrap;gap:20px;font-size:16px}h1{font-size:clamp(32px,6vw,48px);line-height:1.15}h2{font-size:26px;margin-top:36px}li{margin-bottom:12px}.intro{font-size:21px}.button{display:inline-block;background:#173f34;color:white;padding:12px 24px;border-radius:12px;text-decoration:none;font-weight:700}.note{background:#e5edda;border-radius:12px;padding:20px}.small{font-size:15px}a:focus-visible{outline:3px solid #7e9e48;outline-offset:5px}