:root{color-scheme:dark;font-family:system-ui,sans-serif;background:#121715;color:#edf2e9}*{box-sizing:border-box}body{margin:0}a{color:#d4fa65}header,main,footer{max-width:780px;margin:auto;padding:24px}header{border-bottom:1px solid #344138}nav{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.1}h2{margin-top:32px;font-size:1.3rem}p,li{line-height:1.7}li{margin:8px 0}.note{color:#b4c0b8}.brand{font-size:2rem;font-weight:800;text-decoration:none}button{font:inherit;border:1px solid #d4fa65;background:#d4fa65;color:#121715;padding:12px 16px;border-radius:10px;cursor:pointer}footer{border-top:1px solid #344138;margin-top:24px;padding-bottom:48px}