:root{color-scheme:light;font-family:Arial,Helvetica,sans-serif;color:#172b3b;background:#f3f6f7;line-height:1.65}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:920px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #d9e2e6;gap:20px}a{color:#096c67;text-underline-offset:3px}header a{text-decoration:none;font-weight:700}.brand{letter-spacing:2px;color:#172b3b;font-size:21px}nav{display:flex;gap:20px;flex-wrap:wrap}main{padding-top:44px;padding-bottom:48px}h1{font-size:38px;line-height:1.2;letter-spacing:-1px;margin:0 0 18px}h2{font-size:21px;margin-top:32px;line-height:1.3}p{max-width:78ch}li{margin:8px 0}.lead{font-size:20px;color:#435969}.notice{padding:18px 22px;border-left:4px solid #158a80;background:#e4f2ee}.muted{color:#546b79;font-size:14px}.button{display:inline-block;background:#096c67;color:white;padding:10px 18px;border-radius:7px;text-decoration:none;font-weight:700}.contact{padding:22px;background:white;border:1px solid #d9e2e6;border-radius:8px}footer{border-top:1px solid #d9e2e6;font-size:14px;display:flex;gap:24px;flex-wrap:wrap}section:target{scroll-margin-top:20px}@media(max-width:600px){header,main,footer{padding:22px}header{align-items:flex-start;flex-direction:column}h1{font-size:30px}.lead{font-size:18px}}