:root{color-scheme:dark;--bg:#0b1120;--panel:#142033;--ink:#edf4ff;--muted:#b6c7d9;--line:#32465c;--accent:#a5efcc;--blue:#8bbffb}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-underline-offset:3px}a:focus-visible{outline:3px solid var(--accent);outline-offset:3px}header,main,footer{max-width:1040px;margin:auto;padding:0 24px}.top{border-bottom:1px solid var(--line);background:#0e1929}.top>div{max-width:1040px;margin:auto;padding:17px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.brand{font-weight:800;letter-spacing:.04em;color:#fff;text-decoration:none}.nav{display:flex;gap:15px;flex-wrap:wrap}.nav a{color:var(--muted);font-size:.87rem}main{padding-top:52px;padding-bottom:72px}article{max-width:760px}.eyebrow{text-transform:uppercase;letter-spacing:.15em;color:var(--accent);font-size:.75rem;font-weight:800}h1{font-size:clamp(2.35rem,5vw,4.35rem);letter-spacing:-.045em;line-height:1.06;margin:14px 0 20px}h2{line-height:1.2;letter-spacing:-.025em;font-size:1.7rem;margin:2.4em 0 .5em}h3{font-size:1.13rem;margin:1.5em 0 .2em}.lead{font-size:1.22rem;line-height:1.55;color:#d8e9f5}.meta{color:var(--muted);font-size:.88rem}.panel{padding:24px;border:1px solid var(--line);background:var(--panel);border-radius:13px;margin:28px 0}.panel h2,.panel h3{margin-top:0}.note{border-left:3px solid var(--accent);padding:10px 18px;background:#112a31;margin:25px 0;color:#e2f8ee}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:13px}.card{padding:19px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.card h3{margin:0 0 5px}.card p{margin:0;color:var(--muted);font-size:.93rem}.toc{display:flex;gap:9px;flex-wrap:wrap;margin:28px 0}.toc a{border:1px solid var(--line);padding:6px 11px;border-radius:30px;font-size:.83rem;text-decoration:none}p,li{max-width:72ch}li{margin:.4em 0}ol,ul{padding-left:23px}.sources{border-top:1px solid var(--line);padding-top:20px;margin-top:60px;font-size:.88rem;color:var(--muted)}.sources li{overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding-top:26px;padding-bottom:50px;color:var(--muted);font-size:.85rem}footer nav{display:flex;gap:20px;flex-wrap:wrap}.term{border-top:1px solid var(--line);padding-top:14px}.term h2{margin:18px 0 8px}.tag{color:var(--accent);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.numbers{display:flex;gap:10px;flex-wrap:wrap}.number{background:#172b3c;border:1px solid var(--line);border-radius:9px;padding:14px;flex:1 1 150px}.number strong{font-size:1.55rem;display:block}.number span{color:var(--muted);font-size:.8rem}@media(max-width:550px){main{padding-top:34px}body{font-size:16px}.top>div{align-items:flex-start}h1{font-size:2.45rem}}