*{box-sizing:border-box;margin:0;padding:0}

/* fonts — self-hosted, OFL; licenses in assets/fonts/ */
@font-face{font-family:"Instrument Sans";src:url("assets/fonts/InstrumentSans-Variable.woff2") format("woff2");font-weight:400 700;font-stretch:75% 100%;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url("assets/fonts/InstrumentSans-Italic-Variable.woff2") format("woff2");font-weight:400 700;font-stretch:75% 100%;font-style:italic;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url("assets/fonts/IBMPlexMono-SemiBold.woff2") format("woff2");font-weight:600;font-display:swap}

/* semantic tokens — light is the default; dark applies via system preference
   unless the user pinned light, and via the explicit data-theme override */
:root{
  color-scheme:light;
  --font-sans:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --canvas:#f5f5f3;--surface:#fbfbfa;--text:#0e0f12;--muted:#61636a;
  --accent:#5ca7f8;--accent-text:#07111d;
  --border:rgba(14,15,18,.12);--glass:rgba(245,245,243,.92);
  --inverse-bg:#0e0f12;--inverse-fg:#f3f4f6;--inverse-muted:rgba(243,244,246,.72);
  --codeblock-bg:#0e0f12;--codeblock-fg:#f3f4f6;--code-bg:rgba(14,15,18,.05);
  --shadow:0 30px 80px -38px rgba(14,15,18,.3);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --canvas:#0f1115;--surface:#171a20;--text:#f3f4f6;--muted:#a9adb7;
    --accent:#68adfa;--accent-text:#07111d;
    --border:rgba(255,255,255,.14);--glass:rgba(15,17,21,.9);
    --inverse-bg:#f3f4f6;--inverse-fg:#0e0f12;--inverse-muted:rgba(14,15,18,.72);
    --codeblock-bg:#171a20;--codeblock-fg:#f3f4f6;--code-bg:rgba(255,255,255,.07);
    --shadow:0 30px 80px -38px rgba(0,0,0,.65);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --canvas:#0f1115;--surface:#171a20;--text:#f3f4f6;--muted:#a9adb7;
  --accent:#68adfa;--accent-text:#07111d;
  --border:rgba(255,255,255,.14);--glass:rgba(15,17,21,.9);
  --inverse-bg:#f3f4f6;--inverse-fg:#0e0f12;--inverse-muted:rgba(14,15,18,.72);
  --codeblock-bg:#171a20;--codeblock-fg:#f3f4f6;--code-bg:rgba(255,255,255,.07);
  --shadow:0 30px 80px -38px rgba(0,0,0,.65);
}

body{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:var(--canvas);color:var(--text);line-height:1.5}
.mono,.eyebrow,.number{font-family:var(--font-mono)}
.eyebrow{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.number{font-size:11px;letter-spacing:.12em;color:var(--muted)}
h1{font-size:clamp(64px,10vw,112px);line-height:.93;letter-spacing:-.04em;font-weight:620;font-stretch:94%;text-wrap:balance}
.h1-sm{font-size:clamp(48px,7.2vw,96px)}
h2{font-size:clamp(36px,5.5vw,72px);line-height:.98;letter-spacing:-.035em;font-weight:600;text-wrap:balance}
h3{font-size:22px;letter-spacing:-.02em;font-weight:600}
.lede{font-size:clamp(20px,2.3vw,30px);line-height:1.25;color:var(--muted);letter-spacing:-.02em;text-wrap:pretty}
.slede{font-size:20px;line-height:1.45;color:var(--muted);max-width:520px;text-wrap:pretty}
a{color:var(--text);text-decoration:none}
a:hover{opacity:.6}
/* links inside running text are distinguished by more than color */
main p a:not(.pill),main li a,main td a,figure figcaption a{text-decoration:underline;text-decoration-color:color-mix(in srgb,currentColor 45%,transparent);text-underline-offset:3px}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
/* skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--inverse-bg);color:var(--inverse-fg);padding:10px 16px;border-radius:0 0 8px 0;font-size:14px}
.skip:focus{left:0}
/* nav */
.site{position:fixed;top:0;left:0;right:0;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border);z-index:50}
.navbar{min-height:58px;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:15px;letter-spacing:-.02em}
.brand .mark{display:block;color:var(--text)}
.brand .wordmark{color:var(--text)}
.brand .wordmark span{color:var(--muted)}
.navlinks{display:flex;gap:22px;font-size:14px;margin-left:auto;align-items:center}
.navlinks a{color:var(--muted)}
.navlinks a:not(.pill){padding:8px 0}
.navlinks a[aria-current]:not(.pill){color:var(--text)}
.navlinks .pill{color:var(--accent-text)}
.navctl{display:flex;align-items:center;gap:10px}
.menubtn,.themebtn{display:inline-flex;align-items:center;border:1px solid var(--border);background:transparent;border-radius:999px;padding:9px 14px;font-family:var(--font-sans);font-size:13px;color:var(--text);cursor:pointer;min-height:40px}
.menubtn,.themebtn{display:none}
.js .themebtn{display:inline-flex}
.chip{display:inline-flex;align-items:center;gap:7px;align-self:flex-start;width:max-content;font-family:var(--font-mono);font-size:11px;letter-spacing:.02em;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:5px 12px;white-space:nowrap}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:none}
@media(max-width:1020px){.navbar .chip{display:none}.navlinks{gap:14px}}
@media(max-width:480px){.chip{white-space:normal;line-height:1.5;max-width:100%;width:auto}}
@media(max-width:820px){
  .js .menubtn{display:inline-flex}
  .navctl{margin-left:auto}
  .js .navlinks{display:none;position:absolute;top:100%;left:0;right:0;background:var(--canvas);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .js .navlinks.open{display:flex}
  .navlinks a{font-size:15px;min-height:44px;display:flex;align-items:center}
  .navlinks a:not(.pill){padding:13px 0}
  .navlinks .pill{justify-content:center;margin-top:8px}
}
@media(min-width:821px){.navlinks + .navctl{margin-left:0}}
@media(max-width:820px){
  html:not(.js) .site{position:static}
  html:not(.js) main{padding-top:0}
  html:not(.js) .navlinks{width:100%;flex-direction:column;align-items:stretch;margin-left:0}
  html:not(.js) .navlinks .pill{justify-content:center}
}
/* pills */
.pill{display:inline-flex;align-items:center;gap:8px;border-radius:999px;padding:11px 18px;border:1px solid var(--border);font-size:14px;background:transparent;color:var(--text);cursor:pointer;font-family:inherit;min-height:44px}
.pill.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-text);font-weight:500}
.pill.accent:hover{opacity:.85}
:focus-visible{outline:2px solid var(--text);outline-offset:2px}
/* layout */
main{padding-top:70px}
.hero{min-height:88svh;display:flex;flex-direction:column;justify-content:center;gap:26px;padding-top:120px;padding-bottom:90px}
.hero-short{min-height:70svh}
@media(max-width:640px){.hero{padding-top:90px;padding-bottom:60px;min-height:auto}h1{font-size:clamp(42px,12.5vw,64px)}}
.hero .lede{max-width:760px}
.pagehead{padding-top:150px;padding-bottom:40px;display:flex;flex-direction:column;gap:22px}
.ctarow{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.sect{padding:90px 0;border-top:1px solid var(--border)}
@media(max-width:640px){.sect{padding:56px 0}}
.shead{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-bottom:70px;align-items:end}
@media(max-width:820px){.shead{grid-template-columns:1fr;gap:20px;margin-bottom:44px}}
.step{display:flex;flex-direction:column;justify-content:center}
@media(min-width:821px){
  .step{min-height:60vh;transform:translateY(18px);transition:transform .5s cubic-bezier(.2,.7,.2,1)}
  .step.active{transform:translateY(0)}
}
@media(prefers-reduced-motion:reduce){.step{transform:none;transition:none}}
/* cards & grids */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px}
.raised{box-shadow:var(--shadow)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:900px){.grid4{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid2,.grid3,.grid4{grid-template-columns:1fr}}
.stat{font-size:40px;letter-spacing:-.04em;font-weight:600;line-height:1}
.micro{font-size:14px;color:var(--muted)}
.quote{font-size:clamp(26px,3.4vw,44px);letter-spacing:-.04em;line-height:1.1;font-weight:600;max-width:720px;text-wrap:balance}
.cardlist{margin:14px 0 0 18px;font-size:15px;color:var(--text);display:flex;flex-direction:column;gap:8px}
/* tables */
.tscroll{overflow-x:auto;border:1px solid var(--border);border-radius:14px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}
th{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;text-align:left;padding:14px 16px;border-bottom:1px solid var(--border)}
td{padding:14px 16px;border-bottom:1px solid var(--border);vertical-align:top}
tr:last-child td{border-bottom:0}
.ta-l{text-align:left}.ta-c{text-align:center}.ta-r{text-align:right}
.emptycell{text-align:center;color:var(--muted);padding:40px}
.fnote{font-size:12.5px;color:var(--muted);margin-top:12px;max-width:640px}
.fncenter{margin:20px auto 0;text-align:center}
/* tags */
.tag{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.04em;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:3px 10px;white-space:nowrap}
.tag.strong{border-color:var(--text);color:var(--text);font-weight:600}
/* status band (what exists / designed / open work) */
.statusband{border:1px solid var(--border);border-radius:18px;padding:28px;margin-top:44px;background:var(--surface)}
.statusband h3{font-size:15px;margin-bottom:10px}
.statusband ul{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px;color:var(--text)}
/* seat tiles */
.band{border:1px solid var(--border);border-radius:18px;padding:22px}
.band.strong{border-color:var(--text)}
.band>.eyebrow{margin-bottom:16px}
.band .band{margin-top:16px}
@media(max-width:640px){.band{padding:14px}}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:8px}
.tile-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.tile-head h3{font-size:16px}
.tile p{font-size:14px;color:var(--text)}
.tile p b{color:var(--text);font-weight:500}
.tile .cta{font-size:14px;font-weight:500;margin-top:auto;padding:6px 0}
.seatflow{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:8px}
.centerrow{display:flex;justify-content:center}
/* inverse surfaces — the opposite of the current theme */
.inverse{background:var(--inverse-bg);border-color:var(--inverse-bg);color:var(--inverse-fg)}
.inverse p,.inverse .tag{color:var(--inverse-muted);border-color:var(--inverse-muted)}
.inverse a,.inverse h3{color:var(--inverse-fg)}
.person{background:var(--inverse-bg);color:var(--inverse-fg);border-radius:14px;padding:26px;text-align:center;display:flex;flex-direction:column;justify-content:center;gap:6px}
.person .mono{font-size:12px;letter-spacing:.14em}
.person p{font-size:14px;color:var(--inverse-muted)}
.person .strongline{color:var(--inverse-fg);font-weight:500}
/* faq */
.faq{border-top:1px solid var(--border)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:17px;font-weight:500;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-mono);color:var(--muted);font-size:18px;flex:none}
.faq[open] summary::after{content:"−"}
.faq .a{padding:0 0 22px;color:var(--text);max-width:640px;font-size:15px}
/* forms */
label{display:block;font-size:14px;color:var(--muted);margin-bottom:6px}
input[type=text],input[type=email],textarea{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:13px 14px;font:inherit;font-size:15px;color:var(--text)}
.choice{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;font-size:15px;flex-wrap:wrap}
.choice .mono{font-size:12px;color:var(--muted)}
.note{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;font-size:14px;color:var(--text)}
/* checklist */
.checklist{display:flex;flex-direction:column;gap:12px;font-size:15px}
.checklist li{display:flex;gap:12px;align-items:center;list-style:none;flex-wrap:wrap}
.box{width:16px;height:16px;border:1.5px solid var(--muted);border-radius:4px;flex:none}
/* empty states */
.empty{border:1px dashed var(--border);border-radius:14px;padding:44px 24px;text-align:center;color:var(--muted);font-size:15px}
/* steps list */
.mini-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:640px){.mini-steps{grid-template-columns:1fr}}
.stepline{margin-top:10px;font-size:17px}
.ctaband{margin-top:56px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:space-between;border-top:1px solid var(--border);padding-top:36px}
/* footer */
footer{border-top:1px solid var(--border);padding:56px 0 40px;font-size:14px;color:var(--muted)}
.fgroups{display:flex;flex-wrap:wrap;gap:32px 64px}
.fgroups>div{display:flex;flex-direction:column;gap:8px}
.fgroups a{color:var(--muted);padding:2px 0}
.legalline{margin-top:36px;padding-top:20px;border-top:1px solid var(--border);font-size:12.5px}
.legalline.bare{margin-top:0;padding-top:0;border-top:0}
/* diagrams — ink follows the theme via currentColor */
.diagram{width:100%;height:auto;display:block;color:var(--text)}
.diagram text{font-family:var(--font-mono)}
.diagram .svgmut{fill:var(--muted)}
.diagram a:hover{opacity:.55}
.seat-wheel{max-width:900px;margin-inline:auto}
.seat-wheel .seat-orbit{fill:none;stroke:currentColor;stroke-opacity:.16;stroke-width:1.25}
.seat-wheel .seat-spokes{fill:none;stroke:currentColor;stroke-opacity:.11;stroke-width:1}
.seat-wheel .seat-node rect{fill:var(--canvas);stroke:currentColor;stroke-opacity:.34;stroke-width:1.15;transition:fill .18s ease,stroke-opacity .18s ease,stroke-width .18s ease}
.seat-wheel .seat-node text,.seat-wheel .seat-user text{pointer-events:none;text-anchor:middle}
.seat-wheel .seat-name{fill:currentColor;font-size:10.2px}
.seat-wheel .seat-name-long{font-size:9.4px}
.seat-wheel .seat-earning{fill:var(--muted);font-size:8.7px}
.seat-wheel .seat-node-open rect{fill:var(--surface);stroke-dasharray:4 4;stroke-opacity:.62}
.seat-wheel .seat-node-open .seat-name{font-style:italic}
.seat-wheel .seat-user circle{fill:var(--surface);stroke:currentColor;stroke-width:1.8;transition:fill .18s ease}
.seat-wheel .seat-user-label{fill:currentColor;font-size:14px;font-weight:600}
.seat-wheel .seat-user-note{fill:var(--muted);font-size:10px}
.seat-wheel a.seat-node:hover,.seat-wheel a.seat-user:hover{opacity:1}
.seat-wheel a.seat-node:hover rect{fill:var(--surface);stroke-opacity:.9;stroke-width:1.5}
.seat-wheel a.seat-user:hover circle{fill:var(--canvas)}
.seat-wheel a:focus-visible{outline:none}
.seat-wheel a:focus-visible rect,.seat-wheel a:focus-visible circle{stroke:var(--accent);stroke-opacity:1;stroke-width:3}
figure figcaption{font-size:14px;color:var(--muted);margin-top:14px}
/* small screens: stacked cards replace scaled SVG text */
.diagram-alt{display:none;list-style:none;margin:0;padding:0}
@media(max-width:700px){
  .has-alt .diagram,.has-alt figcaption{display:none}
  .diagram-alt{display:grid;grid-template-columns:1fr;gap:10px}
  .diagram-alt .tile{gap:4px}
}
/* seat contract index */
.seatdocs{margin-top:18px;max-width:860px;font-size:14px;color:var(--muted);line-height:1.9}
.seatdocs a{white-space:nowrap;color:var(--text)}
.seatdocs .tag{margin-left:4px}
/* contract document pages */
.docpage{padding-top:70px;padding-bottom:90px;max-width:820px}
.docback{font-size:12px;margin-bottom:28px}
.docback a{color:var(--muted);padding:6px 0}
.badges{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:34px;padding-bottom:22px;border-bottom:1px solid var(--border)}
.badges .tag{text-transform:uppercase;letter-spacing:.1em}
.badges a{color:var(--muted)}
.metaline{font-family:var(--font-mono);font-size:11px}
.doc{font-size:16px;line-height:1.65}
.doc h1{font-size:clamp(30px,4.6vw,52px);line-height:1.04;letter-spacing:-.035em;margin:0 0 22px}
.doc h2{font-size:clamp(24px,3vw,32px);line-height:1.12;letter-spacing:-.025em;margin:52px 0 16px}
.doc h3{font-size:19px;margin:36px 0 12px}
.doc h4{font-size:16px;margin:28px 0 10px}
.doc p{margin:0 0 16px;color:var(--text)}
.doc>p:first-of-type{color:var(--muted)}
.doc ul,.doc ol{margin:0 0 16px;padding-left:26px}
.doc li{margin:6px 0}
.doc li ul,.doc li ol{margin:6px 0 0}
.doc blockquote{border-left:2px solid var(--text);padding:4px 0 4px 20px;margin:26px 0;font-size:18px;letter-spacing:-.01em}
.doc blockquote p{margin:0 0 8px;color:var(--text)}
.doc blockquote p:last-child{margin-bottom:0}
.doc code{font-family:var(--font-mono);font-size:.86em;background:var(--code-bg);border:1px solid var(--border);border-radius:5px;padding:1px 5px;overflow-wrap:break-word}
.doc pre{background:var(--codeblock-bg);color:var(--codeblock-fg);border:1px solid var(--border);border-radius:12px;padding:18px 20px;overflow-x:auto;margin:0 0 20px}
.doc pre code{background:none;border:0;padding:0;color:inherit;font-size:12.5px;line-height:1.55}
.doc .tscroll{margin:0 0 20px}
.doc table{min-width:520px}
.doc hr{border:0;border-top:1px solid var(--border);margin:40px 0}
.doc a{text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--text) 30%,transparent);text-underline-offset:3px;overflow-wrap:break-word}
/* utilities (replace inline styles; CSP has no unsafe-inline) */
.center{text-align:center}
.mut{color:var(--muted)}
.quiet{font-style:italic}
.t15{font-size:15px}
.mt0{margin-top:0}.mt6{margin-top:6px}.mt8{margin-top:8px}.mt10{margin-top:10px}.mt12{margin-top:12px}.mt14{margin-top:14px}.mt16{margin-top:16px}.mt18{margin-top:18px}.mt20{margin-top:20px}.mt24{margin-top:24px}.mt28{margin-top:28px}.mt32{margin-top:32px}
.mb6{margin-bottom:6px}.mb8{margin-bottom:8px}.mb10{margin-bottom:10px}.mb12{margin-bottom:12px}.mb14{margin-bottom:14px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}.mb32{margin-bottom:32px}
.maxw520{max-width:520px}.maxw560{max-width:560px}.maxw640{max-width:640px}.maxw680{max-width:680px}.maxw760{max-width:760px}
.stack10{display:flex;flex-direction:column;gap:10px}
.h2-form{font-size:clamp(30px,4vw,44px);margin-bottom:32px}
.afterlist{margin-left:20px;font-size:17px;display:flex;flex-direction:column;gap:14px;max-width:560px}
.sep-top{margin-top:28px;padding-top:18px;border-top:1px solid var(--border)}
.maxwfull{max-width:100%}
.t11{font-size:11px}
.t16m{font-size:16px;font-weight:500}
.mt22{margin-top:22px}
.undl{text-decoration:underline}
.notelist{margin-left:18px;display:flex;flex-direction:column;gap:6px}
/* poster (seats.html print) */
#poster .ptitle{font-size:34px;font-weight:600;letter-spacing:-.04em;text-align:center}
#poster .psub{text-align:center;font-size:13px;margin-top:6px}
#poster .pmono{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em}
#poster .p11{font-size:11px}
#poster .pcta{text-align:center;font-size:26px;font-weight:600;margin-top:28px}
#poster .pfoot{text-align:center;font-size:12px;margin-top:6px}
#poster{display:none}
@media print{
  .site,main,footer,.skip{display:none!important}
  body{background:#fff;color:#000}
  #poster{display:block;padding:40px;color:#000}
  #poster .pband{border:1.5px solid #000;border-radius:14px;padding:18px;margin-top:14px}
  #poster .pband .pband{margin-top:12px}
  #poster .plabel{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;text-align:center;margin-bottom:8px}
  #poster .pperson{background:#000;color:#fff;border-radius:10px;padding:16px 26px;text-align:center;width:max-content;margin:0 auto}
}