:root{font-family:Arial,Helvetica,sans-serif;color:#16252b;background:#f7fafb}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:920px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dce8eb}nav{display:flex;gap:20px;flex-wrap:wrap}a{color:#176b79}nav a{text-decoration:none}nav a:hover{text-decoration:underline}.brand{font-weight:800;color:#173e48}h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.08;margin:48px 0 20px;letter-spacing:-.04em}h2{margin-top:42px}p,li{font-size:1rem;line-height:1.7;max-width:70ch}.lead{font-size:1.25rem}.panel{border:1px solid #c9e2e8;background:#eaf5f7;padding:24px;border-radius:16px;margin:30px 0}.eyebrow{color:#167080;font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}footer{border-top:1px solid #dce8eb;margin-top:70px;display:flex;gap:18px;flex-wrap:wrap;color:#52666b}@media(max-width:600px){header{display:block}nav{margin-top:16px}header,main,footer{padding:20px}}