:root{color-scheme:light;--ink:#153c42;--teal:#087e80;--paper:#f4faf9}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}header,main,footer{max-width:900px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #d9e7e5}nav{display:flex;gap:20px}a{color:#00686e;text-underline-offset:4px}a:hover{color:#003e43}h1{font-size:clamp(36px,7vw,58px);line-height:1.12;letter-spacing:-.035em;margin:35px 0 20px}h2{font-size:26px;line-height:1.25;margin-top:35px}p{max-width:75ch}.brand{font-size:23px;font-weight:750;text-decoration:none}.lead{font-size:22px}.button{display:inline-block;padding:12px 20px;border-radius:10px;background:var(--teal);color:white;font-weight:650;text-decoration:none}.note{padding:18px 22px;border-left:4px solid var(--teal);background:#e4f2f0}.states{font-weight:600}footer{font-size:15px;border-top:1px solid #d9e7e5;margin-top:36px}details{padding:18px 0;border-bottom:1px solid #d9e7e5}summary{font-weight:650;cursor:pointer}li{margin-bottom:8px}:focus-visible{outline:3px solid #c45e22;outline-offset:5px}@media(max-width:560px){header{align-items:flex-start;flex-direction:column}header,main,footer{padding:20px}nav{gap:16px;flex-wrap:wrap}}