:root{--bg:#fff;--surface:#fafafa;--text:#17181c;--muted:#5f636e;--faint:#6d717c;
--border:#e7e8ec;--border2:#d9dbe0;--accent:#0a8f5f;--off:#b0605f;--def:#5a7bb0;--core:#87799f;
--mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Code",Menlo,Consolas,monospace;
--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,system-ui,sans-serif;--maxw:1040px}
@media (prefers-color-scheme:dark){:root{--bg:#0c0d10;--surface:#131519;--text:#e9eaee;--muted:#979aa4;
--faint:#868a97;--border:#22242b;--border2:#2e313a;--accent:#34d399;--off:#d17b7a;--def:#7ea0d6;--core:#a698c4}}
:root[data-theme="light"]{--bg:#fff;--surface:#fafafa;--text:#17181c;--muted:#5f636e;--faint:#6d717c;
--border:#e7e8ec;--border2:#d9dbe0;--accent:#0a8f5f;--off:#b0605f;--def:#5a7bb0;--core:#87799f}
:root[data-theme="dark"]{--bg:#0c0d10;--surface:#131519;--text:#e9eaee;--muted:#979aa4;--faint:#868a97;
--border:#22242b;--border2:#2e313a;--accent:#34d399;--off:#d17b7a;--def:#7ea0d6;--core:#a698c4}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);font-size:16px;
line-height:1.6;-webkit-font-smoothing:antialiased;letter-spacing:-.003em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
h1,h2,h3,h4{margin:0;line-height:1.15;letter-spacing:-.02em;text-wrap:balance}
a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}
.mono{font-family:var(--mono)}
.eyebrow,.lbl{font-family:var(--mono);font-size:12px;color:var(--muted)}
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);
backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.top .wrap{display:flex;align-items:center;gap:22px;height:56px}
.brand{font-family:var(--mono);font-weight:600;font-size:15px}
.top nav{display:flex;gap:20px;margin-left:auto}.top nav a{font-size:13.5px;color:var(--muted)}
.top nav a:hover{color:var(--text);text-decoration:none}
.tbtn{font-family:var(--mono);font-size:12px;color:var(--muted);background:none;border:0;cursor:pointer;padding:6px}
.tbtn:hover{color:var(--text)}
.dot{width:6px;height:6px;border-radius:50%;flex:none;display:inline-block}
.dot-offense{background:var(--off)}.dot-defense{background:var(--def)}.dot-core{background:var(--core)}
.v{color:var(--accent)}.v svg{width:13px;height:13px;stroke:var(--accent);fill:none;stroke-width:2.4;vertical-align:-1px}
section{padding:60px 0;border-top:1px solid var(--border)}
h2.title{font-size:clamp(20px,2.6vw,26px);font-weight:620}.sub{color:var(--muted);margin:8px 0 0;max-width:62ch}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}
footer{border-top:1px solid var(--border);padding:38px 0;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:baseline}
footer .mono{font-size:12.5px;color:var(--faint)}
.copy{position:absolute;top:9px;right:9px;font-family:var(--mono);font-size:11px;color:var(--muted);
background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:4px 9px;cursor:pointer;
opacity:0;transition:opacity .15s,color .15s,border-color .15s;z-index:2}
.copy:hover{color:var(--text);border-color:var(--border2)}.copy.ok{color:var(--accent);border-color:var(--accent)}
.cx:hover .copy,.copy:focus-visible{opacity:1}
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(8px);background:var(--text);
color:var(--bg);font-family:var(--mono);font-size:12.5px;padding:9px 16px;border-radius:8px;opacity:0;
pointer-events:none;transition:opacity .18s,transform .18s;z-index:60}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
@media (hover:none){.copy{opacity:1}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.copy,.toast{transition:none}}
@media (max-width:640px){.hide-sm{display:none}.top .wrap{gap:14px}.top nav{gap:14px}}