*{box-sizing:border-box}body{margin:0;background:#f6f7f1;color:#26382d;font:17px/1.65 system-ui,-apple-system,sans-serif}header,main,footer{max-width:850px;margin:auto;padding:26px}header{display:flex;gap:24px;justify-content:space-between;border-bottom:1px solid #dfe5dc}a{color:#83503c;text-underline-offset:4px}nav{display:flex;gap:22px;flex-wrap:wrap}.brand{font-weight:750;letter-spacing:-1px;text-decoration:none;color:#26382d;font-size:23px}h1{font-size:clamp(36px,7vw,62px);font-weight:550;line-height:1.1;letter-spacing:-2px;margin:30px 0}h2{font-size:23px;line-height:1.3;margin:0 0 14px}p{margin:12px 0}.lead{font-size:21px;color:#56665b}.card{background:white;border-radius:25px;padding:28px;margin:22px 0}details{border-bottom:1px solid #dfe5dc;padding:20px 0}summary{cursor:pointer;font-weight:650}footer{color:#657267;font-size:14px}a:focus-visible,summary:focus-visible{outline:3px solid #a25d46;outline-offset:4px}@media(max-width:540px){header{display:block}nav{margin-top:16px}.card{padding:22px}main{padding:20px}}