:root{--navy:#1B274C;--accent:#059669;--accent-dk:#047857;--muted:#5B6779;--line:#E4E9E7;--bg:#FAFBFA}
*{box-sizing:border-box;margin:0}
body{font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:#3D4A63;background:#fff;font-size:16px;line-height:1.65}
.wrap{max-width:900px;margin:0 auto;padding:0 24px}
header{background:var(--bg);border-bottom:1px solid var(--line);padding:18px 0}
.wordmark{font-size:20px;font-weight:800;color:var(--navy);text-decoration:none}
.wordmark em{font-style:normal;color:var(--accent)}
h1{font-size:clamp(26px,3.4vw,40px);font-weight:800;color:var(--navy);letter-spacing:-.02em;line-height:1.15}
h2{font-size:22px;font-weight:700;color:var(--navy);margin:40px 0 14px}
p{margin:12px 0}
code,pre{font-family:ui-monospace,'Cascadia Mono',Consolas,monospace;font-size:13.5px}
pre{background:#0F1830;color:#E8EDF6;border-radius:12px;padding:18px 20px;overflow-x:auto;line-height:1.5}
pre .c{color:#7EE0B8}
.note{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:14px;margin:18px 0}
footer{border-top:1px solid var(--line);margin-top:60px;padding:24px 0;font-size:13px;color:var(--muted)}