*{box-sizing:border-box}body{margin:0;background:#fffaf0;color:#293d43;font:18px/1.65 system-ui,sans-serif}header,main,footer{max-width:820px;margin:auto;padding:24px}header{border-bottom:2px solid #a6dee7}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:#086678;text-underline-offset:4px}h1{font-size:clamp(2rem,6vw,3rem);line-height:1.15}h2{font-size:1.35rem;margin-top:32px}.brand{font-weight:800;color:#91602c}footer{font-size:14px;border-top:1px solid #d9d4c8}li{margin-bottom:8px}.intro{font-size:1.2rem}.button{display:inline-block;padding:10px 20px;background:#086678;color:white;border-radius:10px}a:focus-visible{outline:3px solid #ab5900;outline-offset:4px}