:root{
  --ink:#121212; --ink-2:#3d3f44; --mute:#6b6e75; --rule:#e4e4e4; --rule-2:#cfcfcf;
  --bg:#ffffff; --tint:#f6f6f4; --mast:#0d0d0d; --link:#0b4fc4; --accent:#c8102e;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 17px/1.6 "Libre Franklin",system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 16px}

.mast{background:var(--mast);color:#fff}
.mast-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;flex-wrap:wrap}
.brand{color:#fff;font-weight:800;font-size:20px;letter-spacing:-.01em}
.brand span{font-weight:500;color:#b9bcc2;margin-left:8px;font-size:15px}
.brand:hover{text-decoration:none}
.mast nav{display:flex;gap:20px;flex-wrap:wrap}
.mast nav a{color:#e9e9e9;font-size:14px;font-weight:600;padding:16px 0;border-bottom:3px solid transparent}
.mast nav a[aria-current=page]{border-bottom-color:var(--accent)}
@media (max-width:520px){.mast nav{gap:4px 16px}.mast nav a{padding:10px 0;font-size:13px}}
.mast nav a:hover{text-decoration:none;color:#fff}

.grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:36px 0 56px}
@media (min-width:980px){.grid.has-rail{grid-template-columns:minmax(0,720px) 300px;justify-content:space-between}}
article{min-width:0}

.crumbs{font-size:13px;color:var(--mute);margin:0 0 14px}
.crumbs a{color:var(--mute)}
.crumbs .sep{margin:0 4px;color:#b0b2b7}
.related{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:0 24px}
.related li{padding:10px 0;border-bottom:1px solid var(--rule);font-size:15px}
.related li a{font-weight:600;color:var(--ink)}
.related li span{display:block;font-size:13px;color:var(--mute)}
.kicker{margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
h1{margin:0 0 12px;font-weight:800;font-size:clamp(30px,4.2vw,44px);line-height:1.1;letter-spacing:-.02em}
.dek{margin:0 0 16px;font-size:20px;line-height:1.45;color:var(--ink-2)}
.byline{font-size:13px;color:var(--mute);padding:10px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin-bottom:28px}

h2{font-weight:700;font-size:22px;line-height:1.25;margin:40px 0 4px;letter-spacing:-.01em}
h2 a{color:var(--ink)}
.sub{margin:0 0 8px;font-size:14px;color:var(--mute)}
.section{border-top:2px solid var(--ink);padding-top:14px;margin-top:40px}
.byline + .section,.byline + .scroll + .section{margin-top:0}
.byline + .section{border-top:0;padding-top:0}

.quote{margin:0;padding:18px 0;border-bottom:1px solid var(--rule)}
.quote blockquote{margin:0;font-family:"Source Serif 4",Georgia,serif;font-size:20px;line-height:1.55;color:var(--ink)}
.quote figcaption{margin-top:8px;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;font-size:13px;color:var(--mute)}
.quote figcaption a{font-weight:600}
.quote code{font:12px "IBM Plex Mono",ui-monospace,monospace;color:#8a8d93;overflow-wrap:anywhere}

.rail{align-self:start;border-top:2px solid var(--ink);padding-top:12px}
.rail-h{margin:0 0 8px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.rail dl{margin:0}
.rail dt{font-size:12px;color:var(--mute);margin-top:12px}
.rail dd{margin:2px 0 0;font-size:15px;font-weight:500}
.rail dd a{font-weight:600}
@media (min-width:980px){.rail{position:sticky;top:20px}}

table.tracker{width:100%;border-collapse:collapse;font-size:15px}
.tracker th{text-align:left;font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--mute);border-bottom:2px solid var(--ink);padding:8px 10px 8px 0}
.tracker td{border-bottom:1px solid var(--rule);padding:12px 10px 12px 0;vertical-align:top}
.tracker td.co a{font-weight:700;color:var(--ink)}
.tracker .n{font-variant-numeric:tabular-nums;white-space:nowrap}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tag{display:inline-block;white-space:nowrap;font-size:12px;font-weight:600;color:var(--ink-2);background:var(--tint);border:1px solid var(--rule);border-radius:3px;padding:1px 6px;margin:2px 4px 2px 0}

.list{list-style:none;margin:0;padding:0}
.list li{padding:16px 0;border-bottom:1px solid var(--rule)}
.list li a{font-weight:700;font-size:19px;color:var(--ink)}
.list li p{margin:4px 0 0;color:var(--ink-2);font-size:15px}

.prose p{margin:0 0 14px}
.prose h2{margin-top:32px}
.built{margin-top:32px;font-size:13px;color:var(--mute)}

.foot{border-top:1px solid var(--rule);background:var(--tint);font-size:13px;color:var(--mute)}
.foot .wrap{padding-top:20px;padding-bottom:28px}
.foot p{margin:0 0 6px}
.foot-logo{display:inline-block;margin:14px 0 0 -9px;opacity:.45;transition:opacity .15s}
.foot-logo:hover{opacity:.8}
.foot-logo img{display:block;width:112px;height:auto}