:root{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:#111318;color:#f5f7fb;font:16px/1.75 system-ui,-apple-system,sans-serif}.wrap{width:min(760px,calc(100% - 32px));margin:auto}nav{padding:24px 0;border-bottom:1px solid #303641}nav a{color:#78bdff;text-decoration:none}main{padding:72px 0 110px}h1{font-size:clamp(2.3rem,7vw,4.3rem);line-height:1.05}h2{margin-top:42px}p{color:#b6beca}