:root{color-scheme:dark;--bg:#09090c;--panel:#111116;--text:#f1f1f3;--muted:#b4b4bd;--line:#2a2a33;--accent:#d5ad62}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top,#17151b 0,#09090c 38%);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.72}a{color:#e9c77f;text-underline-offset:3px}header,main,footer{width:min(900px,calc(100% - 36px));margin:auto}.top{padding:28px 0 10px;display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{font-weight:800;letter-spacing:.08em;text-transform:uppercase}.back{color:var(--muted);text-decoration:none}.hero{padding:62px 0 34px}.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.16em;font-size:.78rem;font-weight:800}.hero h1{font-size:clamp(2.2rem,6vw,4.3rem);line-height:1.04;margin:.5rem 0 1rem;letter-spacing:-.04em}.deck{font-size:1.16rem;color:#d7d7dc;max-width:780px}.meta{display:flex;gap:9px;flex-wrap:wrap;color:var(--muted);font-size:.88rem}.meta span{border:1px solid var(--line);padding:5px 10px;border-radius:999px}.summary,.tool-box,.closing{margin:24px 0;padding:22px;border:1px solid var(--line);background:var(--panel);border-radius:16px}.tool-box{border-color:#5a482a;background:#17130d}.tool-box strong{display:block;margin-bottom:.35rem}.tool-box a{font-weight:800}article{font-family:Georgia,'Times New Roman',serif;font-size:1.07rem}article h2{font-family:Inter,system-ui,sans-serif;font-size:clamp(1.45rem,4vw,2.05rem);line-height:1.2;margin:52px 0 14px}article h3{font-family:Inter,system-ui,sans-serif;margin-top:30px}article p,article li{color:#dedee3}.table-wrap{overflow-x:auto;margin:26px 0}table{width:100%;border-collapse:collapse;min-width:580px;font-family:Inter,system-ui,sans-serif;font-size:.92rem}th,td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}th{background:#15151b;color:#fff}.formula{margin:24px 0;padding:18px;border-left:3px solid var(--accent);background:#111116;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#fff;overflow-wrap:anywhere}.sources{margin-top:58px;padding-top:26px;border-top:1px solid var(--line)}.sources li{margin:.65rem 0}footer{padding:34px 0 58px;color:var(--muted);border-top:1px solid var(--line);margin-top:50px}@media(max-width:650px){.top{flex-direction:column}.hero{padding-top:44px}article{font-size:1.01rem}.summary,.tool-box,.closing{padding:18px}}