:root{color-scheme:dark;--bg:#0b0d11;--panel:#161b22;--line:#353e4b;--text:#e9eef5;--muted:#adb8c5;--accent:#00d4ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,sans-serif}main{max-width:720px;padding:40px 24px 64px;margin:auto}.brand{font-size:20px;letter-spacing:3px;font-weight:800;text-decoration:none}.eyebrow{margin-top:48px;font-size:12px;letter-spacing:2px;color:var(--accent)}h1{font-size:clamp(36px,7vw,56px);line-height:1.08;letter-spacing:-2px;margin:16px 0 24px}h2{font-size:22px;line-height:1.3}p,li{color:var(--muted)}section{border-top:1px solid var(--line);padding:22px 0}a{color:var(--accent);overflow-wrap:anywhere}a,summary{display:inline-block;min-height:44px;padding:8px 0}summary{cursor:pointer}li{margin:12px 0}b{color:var(--text)}.button{background:var(--accent);color:var(--bg);border-radius:8px;padding:12px 20px;text-decoration:none;font-weight:700}[hidden]{display:none!important}:focus-visible{outline:3px solid var(--text);outline-offset:4px}footer{border-top:1px solid var(--line);padding-top:24px;font-size:14px}@media(max-width:420px){main{padding:24px 20px 44px}}