:root{font-family:system-ui,sans-serif;color:#182b35;background:#f6f5f0}body{max-width:850px;margin:0 auto;padding:64px 24px;line-height:1.8}h1{font-size:clamp(36px,7vw,64px);line-height:1.1}h2{margin-top:48px}a{color:#006c67}header,footer{margin-bottom:48px}nav{display:flex;gap:20px;flex-wrap:wrap}.muted{color:#54636a}section{border-top:1px solid #d5dedb;padding-top:16px}footer{margin-top:60px}