:root{font-family:system-ui,sans-serif;color:#1d2939;background:#f8fafc;line-height:1.7}body{max-width:780px;margin:auto;padding:24px}nav{display:flex;gap:24px;border-bottom:1px solid #d0d5dd;padding-bottom:18px}main{padding:20px 0 60px}h1{font-size:2.4rem;line-height:1.2}h2{margin-top:2rem;font-size:1.3rem}a{color:#175cd3}.eyebrow{color:#475467}a:focus-visible{outline:3px solid #175cd3;outline-offset:4px}