/* Illinois Fix & Flip — "Field Manual" design (Direction A)
   Slate ink on cool paper, safety-yellow reserved for tools and key figures,
   condensed grotesque headlines, serif long-form, mono for numbers and citations. */
:root{
  --paper:#f7f8f9; --surface:#ffffff; --ink:#15202b; --ink-2:#34414e; --muted:#5d6b78; --line:#dbe0e5; --line-2:#c4ccd4;
  --yellow:#f5b800; --yellow-ink:#1b1500; --yellow-soft:#fff6d6; --link:#1d5c96; --link-visited:#5a4a92;
  --good:#1f6b48; --warn:#9a4a00; --bad:#a12a1f;
  --f-display:"Archivo",ui-sans-serif,system-ui,"Segoe UI",sans-serif;
  --f-ui:"IBM Plex Sans",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-read:"Source Serif 4",Georgia,"Times New Roman",serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,monospace;
  --measure:68ch; --radius:4px; --gutter:max(16px,env(safe-area-inset-left,0px));
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --paper:#0e141a; --surface:#151c24; --ink:#e7ebef; --ink-2:#c3cbd3; --muted:#97a4b1; --line:#26313c; --line-2:#34414e;
  --yellow:#f7c531; --yellow-ink:#1b1500; --yellow-soft:#33290a; --link:#8cc2f2; --link-visited:#b9a8ef;
  --good:#7fd0a6; --warn:#ffb36b; --bad:#ff8d82; color-scheme:dark}}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--f-ui)}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}
a:visited{color:var(--link-visited)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px;border-radius:2px}
h1,h2,h3,h4{font-family:var(--f-display);line-height:1.15;text-wrap:balance;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,3rem);font-weight:760;font-variation-settings:"wdth" 80;letter-spacing:-.01em;margin:.2em 0 .35em}
h2{font-size:clamp(1.4rem,2.6vw,1.75rem);font-weight:700;font-variation-settings:"wdth" 88;margin:2.2em 0 .5em}
h3{font-size:1.15rem;font-weight:650;margin:1.6em 0 .4em}
p,li,dd{max-width:var(--measure)}
code{font-family:var(--f-mono);font-size:.9em;background:var(--yellow-soft);padding:.05em .3em;border-radius:3px}
.wrap{max-width:1240px;margin:0 auto;padding-left:var(--gutter);padding-right:max(16px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:12px;top:12px;z-index:100;background:var(--ink);color:var(--paper);padding:.6em 1em}
.num{font-variant-numeric:tabular-nums}
.eyebrow{font:600 .72rem/1 var(--f-ui);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.tab{display:inline-block;background:var(--yellow);color:var(--yellow-ink);font:600 .7rem/1 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;padding:.4em .6em;border-radius:2px}

/* ---------- header ---------- */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:var(--surface);z-index:30}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--surface);border-bottom:2px solid var(--ink)}
.hbar{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand:visited{color:var(--ink)}
.brand-mark{width:30px;height:30px;flex:0 0 30px}
.brand-name{font:780 1.05rem/1 var(--f-display);font-variation-settings:"wdth" 72;letter-spacing:.01em;text-transform:uppercase}
.brand-name small{display:block;font:500 .66rem/1.2 var(--f-mono);letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav>a,.nav summary{font:500 .92rem var(--f-ui);color:var(--ink);text-decoration:none;padding:8px 10px;border-radius:var(--radius);cursor:pointer;list-style:none;white-space:nowrap}
.nav summary::-webkit-details-marker{display:none}
.nav>a:hover,.nav summary:hover{background:var(--paper)}
.nav summary::after{content:"";display:inline-block;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin:0 0 3px 8px}
.nav details{position:relative}
.nav .panel{position:absolute;top:calc(100% + 10px);right:0;background:var(--surface);border:1px solid var(--line-2);border-radius:6px;box-shadow:0 12px 32px rgba(10,20,30,.14);padding:18px;display:grid;gap:4px 28px;min-width:280px;z-index:40}
.nav .panel.wide{grid-template-columns:repeat(3,minmax(170px,1fr));min-width:640px}
.nav .panel b{font:600 .7rem var(--f-ui);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin:6px 0 2px}
.nav .panel a{color:var(--ink);text-decoration:none;padding:5px 0;font-size:.93rem}
.nav .panel a:hover{color:var(--link);text-decoration:underline}
.hsearch{display:flex}
.hsearch input{width:160px;font:inherit;font-size:.9rem;padding:7px 10px;border:1px solid var(--line-2);border-radius:var(--radius);background:var(--paper);color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:.5em;font:600 .92rem/1 var(--f-ui);padding:.8em 1.1em;border-radius:var(--radius);text-decoration:none;border:1.5px solid var(--ink);color:var(--ink);background:var(--surface);cursor:pointer}
.btn:visited{color:var(--ink)}
.btn.primary{background:var(--yellow);border-color:var(--yellow);color:var(--yellow-ink)}
.btn.primary:visited{color:var(--yellow-ink)}
.btn.primary:hover{filter:brightness(.96)}
.btn.dark{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.btn.dark:visited{color:var(--paper)}
.menu-toggle{display:none}
@media (max-width:1060px){
  .hsearch{display:none}
}
@media (max-width:900px){
  .hbar{flex-wrap:wrap;gap:10px;padding-block:10px}
  .nav{display:none;order:3;width:100%;flex-direction:column;align-items:stretch;padding-bottom:10px}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .site-header.open .nav{display:flex}
  .nav details{width:100%}
  .nav .panel,.nav .panel.wide{position:static;box-shadow:none;border:0;min-width:0;grid-template-columns:1fr 1fr;padding:6px 10px 12px}
  .hcta{order:2}
  .hcta .btn{padding:.65em .8em;font-size:.85rem}
}
@media (max-width:420px){.brand-name small{display:none}.hcta .btn span.long{display:none}}

/* ---------- breadcrumb & page head ---------- */
.crumbs{font:500 .82rem var(--f-ui);color:var(--muted);padding-top:22px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--line-2)}
.crumbs a{color:var(--muted)}
.page-head{padding:6px 0 10px;max-width:880px}
.meta-line{display:flex;flex-wrap:wrap;gap:6px 16px;font:500 .82rem var(--f-ui);color:var(--muted)}
.meta-line span{display:inline-flex;align-items:center;gap:6px}
.lede{font:400 1.18rem/1.55 var(--f-read);color:var(--ink-2);max-width:62ch;margin:.4em 0 0}

/* ---------- answer box ---------- */
.answer{background:var(--surface);border:1px solid var(--line);border-left:6px solid var(--yellow);border-radius:var(--radius);padding:16px 20px;margin:18px 0 8px;max-width:880px}
.answer .eyebrow{display:block;margin-bottom:6px}
.answer p{margin:0;font:400 1.08rem/1.6 var(--f-read);max-width:none}

/* ---------- article layout ---------- */
.layout{display:grid;grid-template-columns:200px minmax(0,1fr) 280px;gap:44px;align-items:start;padding-bottom:40px}
@media (max-width:1180px){.layout{grid-template-columns:minmax(0,1fr) 260px;gap:36px}.toc{display:none}}
@media (max-width:860px){.layout{grid-template-columns:minmax(0,1fr)}.rail{order:2}}
.toc{position:sticky;top:96px;font-size:.86rem}
.toc b{display:block;font:600 .7rem var(--f-ui);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:5px 0 5px 12px;margin-left:-2px;border-left:2px solid transparent;color:var(--ink-2);text-decoration:none;line-height:1.35}
.toc a:hover{border-left-color:var(--yellow);color:var(--ink)}
.prose{font:400 1.075rem/1.7 var(--f-read);min-width:0}
.prose>*:first-child{margin-top:0}
.prose h2{scroll-margin-top:90px;padding-top:.2em;border-top:1px solid var(--line)}
.prose h2:first-child{border-top:0}
.prose h3{font-family:var(--f-display)}
.prose ul,.prose ol{padding-left:1.25em}
.prose li{margin:.3em 0}
.prose table{font-family:var(--f-ui)}
.prose blockquote{margin:1.2em 0;padding:.2em 0 .2em 1em;border-left:3px solid var(--line-2);color:var(--ink-2)}
.prose sup a{font:600 .7em var(--f-mono);text-decoration:none;padding:0 .15em}
.prose aside{font:400 .98rem/1.6 var(--f-ui);border-radius:var(--radius);padding:14px 16px;margin:1.4em 0;max-width:var(--measure)}
.prose aside>*:first-child{margin-top:0}.prose aside>*:last-child{margin-bottom:0}
.prose aside.example{background:var(--surface);border:1px solid var(--line-2)}
.prose aside.example::before{content:"Worked example";display:block;font:600 .7rem var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.prose aside.note{background:var(--paper);border:1px dashed var(--line-2)}
.prose aside.warn{background:var(--yellow-soft);border:1px solid var(--yellow)}
.prose aside.warn::before{content:"Costly mistake";display:block;font:600 .7rem var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--warn);margin-bottom:6px}
.tbl{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:.92rem;font-variant-numeric:tabular-nums}
caption{caption-side:bottom;text-align:left;font:.8rem var(--f-ui);color:var(--muted);padding:8px 12px}
th,td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line)}
th{font:600 .74rem/1.3 var(--f-ui);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);background:var(--paper)}
tr:last-child td{border-bottom:0}

/* ---------- right rail ---------- */
.rail{position:sticky;top:96px;display:grid;gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:16px}
.card h2,.card h3{font-size:1rem;margin:0 0 8px;border:0;padding:0}
.card p{font-size:.92rem;margin:.4em 0}
.card.cta{border:2px solid var(--ink)}
.card.cta .btn{width:100%;justify-content:center;margin-top:8px}
.agency-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.agency-list li{font-size:.9rem;line-height:1.4}
.agency-list a{font-weight:600}
.agency-list span{display:block;color:var(--muted);font-size:.82rem}

/* ---------- after-article blocks ---------- */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font:600 1rem/1.4 var(--f-ui);padding:10px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:500 1.1rem var(--f-mono);color:var(--muted)}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 12px;font:1rem/1.65 var(--f-read)}
.sources{font:.88rem/1.5 var(--f-ui);padding-left:1.4em;color:var(--ink-2)}
.sources li{margin:.45em 0;max-width:none}
.sources li:target{background:var(--yellow-soft)}
.sources .acc{color:var(--muted);font-family:var(--f-mono);font-size:.8em}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;margin:12px 0 0;padding:0;list-style:none}
.related a{display:block;height:100%;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink)}
.related a:hover{border-color:var(--ink)}
.related a span{display:block;font:.72rem var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.related a strong{font:650 1rem/1.3 var(--f-display)}
.disclaimer{font:.82rem/1.5 var(--f-ui);color:var(--muted);border-top:1px solid var(--line);padding-top:14px;margin-top:28px;max-width:none}

/* ---------- tools ---------- */
.tool{background:var(--surface);border:2px solid var(--ink);border-radius:6px;margin:22px 0 10px;max-width:880px;overflow:hidden}
.tool-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tool-head h2{margin:0;font-size:1.1rem;border:0;padding:0}
.tool-body{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:0}
@media (max-width:760px){.tool-body{grid-template-columns:minmax(0,1fr)}}
.tool form{padding:16px;display:grid;gap:12px;align-content:start}
.tool fieldset{border:0;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tool legend{font:600 .7rem var(--f-ui);letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;padding:0}
.field{display:grid;gap:4px}
.field label{font:500 .82rem/1.3 var(--f-ui);color:var(--ink-2)}
.field input,.field select{font:500 .95rem var(--f-mono);padding:8px 10px;border:1px solid var(--line-2);border-radius:var(--radius);background:var(--paper);color:var(--ink);width:100%;min-width:0}
.field input:focus,.field select:focus{border-color:var(--ink);outline:2px solid var(--yellow);outline-offset:0}
.field input[aria-invalid="true"]{border-color:var(--bad)}
.field .hint{font-size:.74rem;color:var(--muted)}
.tool-out{background:var(--paper);border-left:1px solid var(--line);padding:16px;display:grid;gap:12px;align-content:start}
@media (max-width:760px){.tool-out{border-left:0;border-top:1px solid var(--line)}}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px}
.kpi.hero{grid-column:1/-1;border-color:var(--yellow);border-width:2px}
.kpi b{display:block;font:700 1.5rem/1.1 var(--f-display);font-variation-settings:"wdth" 78;font-variant-numeric:tabular-nums}
.kpi.hero b{font-size:2.1rem}
.kpi span{font:.76rem/1.3 var(--f-ui);color:var(--muted)}
.kpi.neg b{color:var(--bad)}
.lines{width:100%;font:.84rem var(--f-mono)}
.lines td{padding:4px 0;border-bottom:1px dotted var(--line-2)}
.lines td:last-child{text-align:right}
.lines tr.total td{font-weight:600;border-bottom:0;border-top:1.5px solid var(--ink)}
.tool-error{color:var(--bad);font:600 .86rem var(--f-ui)}
.tool-foot{font:.78rem/1.5 var(--f-ui);color:var(--muted);padding:10px 16px;border-top:1px solid var(--line)}
.tool-foot a{color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:600 .72rem var(--f-mono);padding:4px 8px;border-radius:20px;border:1px solid var(--line-2);background:var(--surface)}
.chip.good{color:var(--good);border-color:currentColor}.chip.warn{color:var(--warn);border-color:currentColor}.chip.bad{color:var(--bad);border-color:currentColor}

/* ---------- home ---------- */
.home-hero{background:var(--surface);border-bottom:1px solid var(--line)}
.home-hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:48px;padding-block:52px 48px;align-items:center}
@media (max-width:880px){.home-hero .wrap{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:32px}}
.home-hero h1{font-size:clamp(2.3rem,5.4vw,3.9rem);font-variation-settings:"wdth" 70;line-height:1.02;margin:.15em 0 .3em}
.home-hero .lede{font-size:1.2rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.datacard{background:var(--paper);border:2px solid var(--ink);border-radius:6px;padding:18px}
.datacard h2{font-size:1rem;margin:4px 0 12px;border:0}
.bars{display:grid;gap:10px}
.bar{display:grid;grid-template-columns:150px minmax(0,1fr) 52px;gap:10px;align-items:center;font:.84rem var(--f-ui)}
.bar i{display:block;height:14px;background:var(--ink);border-radius:2px}
.bar i.y{background:var(--yellow)}
.bar b{font:600 .9rem var(--f-mono);text-align:right}
@media (max-width:420px){.bar{grid-template-columns:110px minmax(0,1fr) 46px}}
.datacard p{font-size:.78rem;color:var(--muted);margin:12px 0 0}
.section{padding-block:44px}
.section h2{margin-top:0}
.jobs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:980px){.jobs{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.jobs{grid-template-columns:minmax(0,1fr)}}
.job{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--ink);border-radius:4px;padding:18px;display:flex;flex-direction:column;gap:8px}
.job h3{margin:0;font-size:1.2rem}
.job ul{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:.93rem}
.job .more{margin-top:auto;font:600 .86rem var(--f-ui)}
.tools-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
@media (max-width:980px){.tools-row{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.tools-row{grid-template-columns:minmax(0,1fr)}}
.toolcard{display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:6px;background:var(--ink);color:var(--paper);text-decoration:none;min-height:150px}
.toolcard:visited{color:var(--paper)}
.toolcard .tab{align-self:flex-start}
.toolcard strong{font:700 1.2rem/1.2 var(--f-display);font-variation-settings:"wdth" 85}
.toolcard span{font-size:.9rem;opacity:.85}
.toolcard:hover{outline:3px solid var(--yellow)}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}
.finder{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.finder input{flex:1 1 220px;font:inherit;padding:11px 12px;border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--surface);color:var(--ink);min-width:0}
.listing{list-style:none;margin:0;padding:0;display:grid;gap:0}
.listing li{border-bottom:1px solid var(--line);max-width:none}
.listing a{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 16px;padding:12px 0;text-decoration:none;color:var(--ink)}
.listing a strong{font:600 1rem/1.35 var(--f-ui)}
.listing a em{grid-column:1;font:normal .9rem/1.5 var(--f-ui);color:var(--muted)}
.listing a small{grid-column:2;grid-row:1;font:.75rem var(--f-mono);color:var(--muted);white-space:nowrap}
.listing a:hover strong{color:var(--link);text-decoration:underline}
.band{background:var(--ink);color:var(--paper)}
.band h2,.band h3{color:var(--paper)}
.band a{color:var(--yellow)}
.band .wrap{padding-block:40px}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.hub-grid a{display:flex;flex-direction:column;gap:4px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:6px;text-decoration:none;color:var(--ink)}
.hub-grid a:hover{border-color:var(--ink)}
.hub-grid strong{font:650 1.05rem/1.3 var(--f-display)}
.hub-grid span{font-size:.88rem;color:var(--muted);line-height:1.45}
.alpha{columns:3 220px;column-gap:28px;padding:0;list-style:none}
.alpha li{break-inside:avoid;padding:4px 0}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#c9d2da;margin-top:40px;font-size:.9rem}
.site-footer .wrap{padding-block:40px 28px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
@media (max-width:860px){.site-footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.site-footer .wrap{grid-template-columns:1fr}}
.site-footer b{display:block;font:600 .72rem var(--f-ui);letter-spacing:.09em;text-transform:uppercase;color:#fff;margin-bottom:10px}
.site-footer a{color:#e6ebf0;text-decoration:none;display:block;padding:3px 0}
.site-footer a:hover{color:var(--yellow);text-decoration:underline}
.site-footer p{color:#aab5bf;max-width:44ch;font-size:.85rem}
.site-footer .fine{grid-column:1/-1;border-top:1px solid #2c3946;padding-top:16px;font-size:.78rem;color:#93a0ac}
@media (prefers-color-scheme:dark){.site-footer{background:#0a0f14}}

/* ---------- search ---------- */
.search-form{display:flex;gap:8px;max-width:640px;margin:16px 0 24px}
.search-form input{flex:1;font:inherit;font-size:1.05rem;padding:12px;border:1.5px solid var(--ink);border-radius:var(--radius);background:var(--surface);color:var(--ink);min-width:0}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.rail,.toc,.tool{display:none}.layout{display:block}}