@font-face{font-family:"Plex Sans";src:url(/assets/fonts/ibm-plex-sans-latin-wght-normal.woff2) format("woff2");font-weight:100 700;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

:root{
  --paper:#eef1f4;--surface:#fff;--ink:#121a22;--ink-2:#36414d;--muted:#5d6874;--rule:#cfd6de;--rule-strong:#9aa5b1;
  --accent:#0b6b88;--accent-ink:#08566e;--accent-wash:#dcecf1;
  --other:#a7b0ba;
  --yes:#1d7044;--yes-wash:#dff0e5;--no:#9b3a2b;--no-wash:#f6e2de;--hold:#7a5f0c;--hold-wash:#f3ecd4;
  --sans:"Plex Sans",ui-sans-serif,system-ui,sans-serif;--mono:"Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --measure:68ch;--wide:1140px;--gutter:clamp(16px,4vw,40px);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0e1317;--surface:#151c22;--ink:#e4e9ee;--ink-2:#c3cbd3;--muted:#919ca8;--rule:#27323c;--rule-strong:#47535f;
  --accent:#5bbfd9;--accent-ink:#86d3e7;--accent-wash:#14313b;
  --other:#4c5864;
  --yes:#6fcf97;--yes-wash:#16301f;--no:#ef8f7d;--no-wash:#3a1d18;--hold:#e0c062;--hold-wash:#332a10;
}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);font-feature-settings:"tnum" 0}
img,svg{display:block;max-width:100%}
a{color:var(--accent-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
code,.hash{font-family:var(--mono);font-size:.88em}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:9;background:var(--surface);padding:8px 12px}

.wrap{max-width:var(--wide);margin:0 auto;padding:0 var(--gutter)}

/* Header / footer */
.site-head{border-bottom:1px solid var(--rule);background:var(--paper)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:68px}
.mark{display:inline-flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:600;font-size:20px;letter-spacing:-.01em}
.mark svg{width:22px;height:22px}
.site-nav{display:flex;gap:28px}
.site-nav a{color:var(--ink-2);text-decoration:none;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--ink)}
.site-nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--accent)}
.site-foot{border-top:1px solid var(--rule);margin-top:96px;padding:32px 0 48px;color:var(--muted);font-size:14px}
.site-foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px}
.site-foot nav{display:flex;gap:20px}
.site-foot a{color:var(--ink-2)}

/* Type */
h1,h2,h3{font-weight:600;letter-spacing:-.015em;margin:0;text-wrap:balance}
h1{font-size:clamp(34px,4.4vw,52px);line-height:1.06;letter-spacing:-.028em}
h2{font-size:clamp(24px,2.6vw,30px);line-height:1.2}
h3{font-size:19px;line-height:1.3}
p{margin:0 0 1em}
.lede{font-size:clamp(18px,1.9vw,21px);line-height:1.5;color:var(--ink-2);max-width:60ch}
.small{font-size:14px;color:var(--muted)}
.prose{max-width:var(--measure)}
.prose h2{margin:56px 0 16px}
.prose h3{margin:32px 0 10px}
.prose ul{padding-left:1.2em;margin:0 0 1em}.prose li{margin:.3em 0}

/* Buttons */
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.button{display:inline-block;padding:11px 18px;border-radius:6px;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:500;font-size:15px}
.button:hover{background:var(--accent-ink);color:#fff}
.button.quiet{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule-strong)}
.button.quiet:hover{box-shadow:inset 0 0 0 1px var(--ink);background:transparent;color:var(--ink)}

/* Verdict chips */
.verdict{display:inline-block;font-size:13px;font-weight:500;line-height:1;padding:6px 9px;border-radius:4px;white-space:nowrap}
.verdict.yes{color:var(--yes);background:var(--yes-wash)}
.verdict.no{color:var(--no);background:var(--no-wash)}
.verdict.hold{color:var(--hold);background:var(--hold-wash)}

/* Home */
.hero{padding:72px 0 64px;border-bottom:1px solid var(--rule)}
.hero-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.1fr);gap:56px;align-items:center}
.hero h1{max-width:13em}
.hero .lede{margin-top:22px}
.figure{margin:0;background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:24px 24px 18px}
.figure h2{font-size:16px;letter-spacing:0;line-height:1.4}
.figure .sub{font-size:14px;color:var(--muted);margin:4px 0 18px}
.figure figcaption{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.5}
.gap{display:grid;gap:20px;margin-top:4px}
.gap-row{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:16px;align-items:center}
.gap-label code{display:block;font-size:14px;color:var(--ink);font-weight:500}
.gap-label span{display:block;font-size:13px;color:var(--muted);line-height:1.35}
.gap-bars{display:grid;gap:5px;border-left:1px solid var(--rule-strong);padding:2px 0}
.b{height:20px;width:calc(var(--v) / 58 * 100%);border-radius:0 3px 3px 0;position:relative}
.b.x{background:var(--accent)}.b.p{background:var(--other)}
.b span{position:absolute;left:calc(100% + 8px);top:50%;transform:translateY(-50%);font-size:13px;white-space:nowrap;font-feature-settings:"tnum" 1;color:var(--ink)}
.key{display:flex;gap:18px;font-size:13px;color:var(--ink-2);margin:0 0 6px}
.key span{display:inline-flex;align-items:center;gap:7px}
.key i{width:12px;height:12px;border-radius:2px;display:inline-block}
.key .kx{background:var(--accent)}.key .kp{background:var(--other)}

.band{padding:72px 0;border-bottom:1px solid var(--rule)}
.band:last-of-type{border-bottom:0}
.band-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.6fr);gap:48px;align-items:start}
.band-head p{color:var(--ink-2)}
.standings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:40px;border-top:1px solid var(--rule)}
.standings>div{padding:22px 24px 6px 0;border-right:1px solid var(--rule)}
.standings>div+div{padding-left:24px}
.standings>div:last-child{border-right:0}
.standings .fig{font-size:clamp(28px,3.2vw,38px);font-weight:600;letter-spacing:-.02em;font-feature-settings:"tnum" 1;line-height:1.1}
.standings .fig small{font-size:.5em;font-weight:500;color:var(--muted);margin-left:4px}
.standings p{font-size:15px;color:var(--ink-2);margin-top:8px}

.areas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin-top:40px}
.area h3{margin-bottom:10px}
.area p{font-size:16px;color:var(--ink-2)}
.area .state{font-size:14px;color:var(--muted);border-top:1px solid var(--rule);padding-top:10px;margin-top:14px}

/* Study list */
.ledger{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--rule)}
.ledger li{display:grid;grid-template-columns:7.5em minmax(0,1fr) auto;gap:8px 28px;padding:22px 0;border-bottom:1px solid var(--rule);align-items:baseline}
.ledger time{font-size:14px;color:var(--muted);font-feature-settings:"tnum" 1}
.ledger h3{font-size:19px}
.ledger h3 a{color:var(--ink);text-decoration:none}
.ledger h3 a:hover{color:var(--accent-ink);text-decoration:underline}
.ledger p{margin:6px 0 0;color:var(--ink-2);font-size:16px;max-width:64ch}
.ledger-group{margin-top:56px}
.ledger-group>h2{font-size:22px}
.ledger-group>p{color:var(--muted);font-size:15px;margin-top:6px;max-width:64ch}

.questions{margin:32px 0 0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 40px}
.questions li{border-left:2px solid var(--accent);padding:2px 0 2px 18px}
.questions h3{font-size:17px}
.questions p{font-size:15px;color:var(--ink-2);margin:6px 0 0}

/* Page head */
.page-head{padding:56px 0 40px;border-bottom:1px solid var(--rule)}
.page-head .lede{margin-top:16px}
.crumb{font-size:15px;margin-bottom:18px}
.crumb a{color:var(--muted);text-decoration:none}.crumb a:hover{color:var(--ink);text-decoration:underline}

/* Study layout */
.study{display:grid;grid-template-columns:260px minmax(0,1fr);gap:56px;padding-top:40px}
.study>*{min-width:0}
.facts{position:sticky;top:24px;align-self:start;font-size:14px}
.facts dl{margin:0;border-top:1px solid var(--rule)}
.facts dl>div{padding:12px 0;border-bottom:1px solid var(--rule)}
.facts dt{color:var(--muted);margin-bottom:3px}
.facts dd{margin:0;color:var(--ink)}
.facts .download{display:block;margin-top:18px;font-weight:500}
.finding{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:24px 28px;max-width:var(--measure)}
.finding h2{font-size:20px;margin:0 0 10px}
.finding p:last-child{margin-bottom:0}

/* Tables */
.table{overflow-x:auto;margin:20px 0 8px;max-width:100%}
table{border-collapse:collapse;width:100%;font-size:15px;font-feature-settings:"tnum" 1}
caption{text-align:left;color:var(--muted);font-size:14px;padding-bottom:10px;caption-side:top}
th,td{padding:9px 7px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:baseline;white-space:nowrap}
thead th{font-weight:500;color:var(--muted);font-size:13px;border-bottom-color:var(--rule-strong)}
td.n,th.n{text-align:right;padding-left:16px}
th:first-child,td:first-child{padding-left:0}th:last-child,td:last-child{padding-right:0}
tr.em td{font-weight:600}
td .verdict{font-size:12px}
.better{color:var(--yes)}.worse{color:var(--no)}
.wide-table{max-width:none}
details{margin:16px 0;border-top:1px solid var(--rule);padding-top:12px}
summary{cursor:pointer;color:var(--accent-ink);font-weight:500}

/* Topics */
.topic-index{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.topic-index a{font-size:14px;color:var(--ink-2);text-decoration:none;border:1px solid var(--rule-strong);border-radius:999px;padding:5px 12px}
.topic-index a:hover{color:var(--ink);border-color:var(--ink)}
.facts .topics a{color:var(--accent-ink)}
.topic-others{margin-top:40px;font-size:15px;color:var(--muted)}
.topic-others a{margin-right:12px}

/* Explorer */
.filters{display:flex;flex-wrap:wrap;gap:16px;margin:20px 0 8px;align-items:end}
.filters label{display:grid;gap:4px;font-size:13px;color:var(--muted)}
.filters select{font:inherit;font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--rule-strong);border-radius:6px;padding:7px 10px}
#row-status{font-size:14px;color:var(--muted);margin:0}

/* Changelog */
.revs{list-style:none;margin:40px 0 0;padding:0;max-width:820px}
.revs>li{display:grid;grid-template-columns:8.5em minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid var(--rule)}
.revs .when{font-size:14px;color:var(--muted)}
.revs .when code{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.revs h2{font-size:21px;margin-bottom:8px}
.revs p{color:var(--ink-2);font-size:16px}
.revs .effect{font-size:15px;color:var(--ink);background:var(--surface);border:1px solid var(--rule);border-radius:6px;padding:10px 14px;margin:12px 0}

@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .band-head{grid-template-columns:1fr;gap:12px}
  .areas{grid-template-columns:1fr;gap:28px}
  .questions{grid-template-columns:1fr}
  .study{grid-template-columns:minmax(0,1fr);gap:28px}
  .facts{position:static}
  .facts dl{display:grid;grid-template-columns:1fr 1fr;column-gap:20px}
}
@media (max-width:620px){
  body{font-size:16px}
  .site-nav{gap:18px}
  .hero{padding:44px 0 48px}
  .band{padding:52px 0}
  .standings{grid-template-columns:1fr}
  .standings>div,.standings>div+div{border-right:0;border-bottom:1px solid var(--rule);padding:18px 0 4px}
  .ledger li{grid-template-columns:1fr auto}
  .ledger li>div{grid-column:1/-1;grid-row:2}
  .revs>li{grid-template-columns:1fr;gap:6px}
  .facts dl{grid-template-columns:1fr}
  .figure{padding:18px 16px 14px}
  .gap-row{grid-template-columns:1fr;gap:6px}
  .gap-label code,.gap-label span{display:inline;margin-right:8px}
  .finding{padding:20px}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}