*{box-sizing:border-box}body{margin:0;background:#f6f8fb;color:#17313e;font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:#176751;text-underline-offset:4px}a:focus-visible{outline:3px solid #237a68;outline-offset:5px}header,footer{max-width:1080px;margin:auto;padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}header{border-bottom:1px solid #dce3e9}.brand{display:flex;align-items:center;gap:12px;color:#173d4d;font-weight:650;text-decoration:none;font-size:20px}nav{display:flex;gap:24px}main{max-width:800px;margin:72px auto 80px;padding:0 32px}h1{font-size:clamp(38px,7vw,68px);line-height:1.08;letter-spacing:-2px;margin:0 0 32px;font-weight:650}h2{font-size:25px;line-height:1.3;letter-spacing:-.4px;margin:0 0 16px}.intro{font-size:22px;line-height:1.55;max-width:62ch}section{margin:42px 0}p{max-width:70ch;margin:0 0 18px}.primary{display:inline-block;background:#173d4d;color:white;text-decoration:none;padding:12px 20px;border-radius:7px}footer{font-size:14px;border-top:1px solid #dce3e9;justify-content:flex-start;gap:28px}@media(max-width:600px){header{align-items:flex-start;flex-direction:column;padding:24px}main{margin-top:48px;padding:0 24px}footer{padding:24px;flex-wrap:wrap}nav{font-size:15px}}