:root{color-scheme:dark;font-family:Inter,Segoe UI,Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:radial-gradient(circle at top,rgba(78,140,111,.2),transparent 35%),linear-gradient(180deg,#0d1f17,#081510);color:#f6f8fb}body{display:flex;align-items:center;justify-content:center}body,main{padding:2rem}main{width:min(42rem,100%);border:1px solid rgba(236,239,241,.12);border-radius:1.5rem;background:rgba(12,32,24,.82);box-shadow:0 24px 60px rgba(3,22,12,.32)}h1,h2,p,ul{margin:0}h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:.75rem}li,p{color:rgba(246,248,251,.82);line-height:1.7}section+section{margin-top:1.5rem}code{font-family:Cascadia Code,Consolas,monospace;color:#eceff1}ul{padding-left:1.2rem}