:root{--bg:#f6f5f2;--surface:#fff;--ink:#15191f;--muted:#5b6370;--line:#dcd9d2;--navy:#14213a;--orange:#e8650f;--orange-ink:#b84c06;--chip:#eeece6}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0f1218;--surface:#171c25;--ink:#e9e7e2;--muted:#9aa3b2;--line:#2a313d;--navy:#0a1120;--orange:#f07a2a;--orange-ink:#ff9a55;--chip:#202733}}
:root[data-theme="dark"]{--bg:#0f1218;--surface:#171c25;--ink:#e9e7e2;--muted:#9aa3b2;--line:#2a313d;--navy:#0a1120;--orange:#f07a2a;--orange-ink:#ff9a55;--chip:#202733}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "IBM Plex Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--orange-ink)}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
header.site{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:700;color:var(--ink);text-decoration:none}
nav.site a{color:var(--muted);text-decoration:none;margin-left:20px;font-weight:500;font-size:.95rem}
nav.site .btn{color:#fff}
@media (max-width:720px){nav.site a:not(.btn){display:none}}
.btn{display:inline-flex;align-items:center;padding:10px 18px;border-radius:6px;font-weight:600;text-decoration:none}
.btn-primary{background:var(--orange);color:#fff}
.article{max-width:820px;padding-top:28px;padding-bottom:60px}
.article h1{font-size:clamp(1.8rem,4vw,2.5rem);line-height:1.15;margin:.2em 0 .3em;letter-spacing:-.01em}
.article h2{font-size:1.4rem;margin:1.8em 0 .5em;line-height:1.2}
.crumbs,.meta{font-size:.85rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.lede{font-size:1.1rem;color:var(--muted)}
.answer{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--orange);border-radius:8px;padding:18px 20px;margin:18px 0 8px}
.note{background:var(--chip);border-radius:8px;padding:12px 14px;font-size:.92rem;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:.93rem;background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;display:block;overflow-x:auto}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--chip);font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
tbody th{font-weight:600}
dt{font-weight:600;margin-top:14px}dd{margin:2px 0 0 0;color:var(--muted)}
details{background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:8px}
summary{cursor:pointer;padding:14px 16px;font-weight:600}
details>div{padding:0 16px 14px;color:var(--muted)}
.sources{font-size:.88rem;color:var(--muted)}
.cta{display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:var(--navy);color:#f3f1ec;border-radius:10px;padding:18px 20px;margin:32px 0}
.related{padding-left:18px}
.eyebrow{font:600 .72rem/1 "IBM Plex Mono",monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--orange-ink)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:20px}
.gcard{display:flex;flex-direction:column;gap:6px;padding:18px;background:var(--surface);border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink)}
.gcard small{color:var(--muted)}
footer{padding:28px 0 90px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}