:root{--paper:#f6f1e3;--ink:#14161a;--y:#ffd400;--rule:#c9c2ad;--mute:#55554d;
--disp:"Helvetica Neue","Nimbus Sans","Arial Nova",Arial,sans-serif;--body:Charter,"Bitstream Charter","Iowan Old Style",Georgia,serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.6 var(--body)}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{background:var(--y)}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px;box-shadow:0 0 0 6px var(--y)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--y);padding:8px;z-index:9}
.grid12{display:grid;grid-template-columns:repeat(12,1fr);gap:0 24px;max-width:1280px;margin:0 auto;padding:0 24px}
.lab,.kick,.n{font:600 12px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.12em}
.kick{color:var(--mute)}
h1,h2,h3,.mega,.quote,.big{font-family:var(--disp);letter-spacing:-.02em;line-height:1.02}
h2{font-size:clamp(28px,3.4vw,44px);margin:0 0 16px}h3{font-size:22px;margin:8px 0}
/* header rail */
.top{position:sticky;top:0;z-index:5;background:var(--paper);border-bottom:2px solid var(--ink)}
.rail{display:flex;align-items:center;gap:24px;max-width:1280px;margin:0 auto;padding:12px 24px}
.mark{display:flex;align-items:baseline;text-decoration:none;font:800 26px/1 var(--disp)}
.mark .dot{color:var(--ink);background:var(--y);margin:0 1px;padding:0 1px}
.mark .w{font:600 11px var(--mono);text-transform:uppercase;letter-spacing:.2em;margin-left:10px}
#nav{margin-left:auto}#nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
#nav a,.dd-btn{display:block;text-decoration:none;font:600 14px var(--disp);padding:8px 10px;border:0;background:none;color:inherit;cursor:pointer}
#nav a .n{display:block;font-size:10px;color:var(--mute)}
#nav a[aria-current]{background:var(--ink);color:var(--paper)}#nav a[aria-current] .n{color:var(--y)}
.dd{position:relative}.dd-btn{border:2px solid var(--ink)!important}.dd-btn::after{content:" +"}.dd-btn[aria-expanded=true]::after{content:" –"}
.dd-menu{position:absolute;right:0;top:100%;background:var(--ink);padding:8px!important;min-width:240px;display:block!important}
.dd-menu[hidden]{display:none!important}.dd-menu a{color:var(--paper)}.dd-menu a:hover{background:var(--y);color:var(--ink)}
.menu-btn{display:none;margin-left:auto;font:600 13px var(--mono);text-transform:uppercase;background:var(--y);border:2px solid var(--ink);padding:8px 14px}
/* home */
.home{padding:64px 0 48px;border-bottom:2px solid var(--ink);overflow:hidden}
.hk{grid-column:1/-1}.mega{grid-column:1/-1;font-size:clamp(56px,12vw,180px);font-weight:800;margin:8px 0 32px}
.mega .ln{display:block}.mega em{font-style:normal;background:var(--y);padding:0 .08em}
.hside{grid-column:6/-1}.lede{font-size:21px;max-width:40em}
.axis{grid-column:1/5;grid-row:4;display:flex;gap:8px;align-self:end}.axis span{height:12px;flex:1;background:var(--ink)}.axis span:nth-child(3){background:var(--y)}
.cta{display:flex;gap:20px;align-items:center;flex-wrap:wrap}
.btn{font:700 15px var(--disp);padding:14px 22px;border:2px solid var(--ink);background:var(--paper);color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block}
.btn.y{background:var(--y)}.btn:hover{background:var(--ink);color:var(--paper)}.btn[disabled]{opacity:.5;cursor:wait}
.arrow{font:600 15px var(--disp)}.arrow::after{content:" →"}.arrow.inv{color:var(--paper)}.arrow.inv:hover{color:var(--ink)}
.band{padding:56px 0}.band .lab{grid-column:1/-1}
.index{grid-column:1/-1;list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.index a{display:grid;grid-template-columns:80px 1fr 1.3fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--rule);text-decoration:none;align-items:baseline}
.index .t{font:700 clamp(24px,3vw,38px)/1.1 var(--disp)}.index .d{color:var(--mute)}
.index a:hover{background:var(--y)}.index a:hover .d{color:var(--ink)}
.split{padding:64px 0;border-top:2px solid var(--ink)}.split.alt{background:#efe8d4}
.col-a{grid-column:1/6}.col-b{grid-column:7/-1}
.qs{padding-left:1.2em}.qs li{margin-bottom:14px}
.ink{background:var(--ink);color:var(--paper);padding:80px 0}.ink .lab{grid-column:1/-1;color:var(--y)}
.quote{grid-column:1/11;font-size:clamp(26px,3.4vw,46px);font-weight:600;margin:12px 0 28px}.ink p{grid-column:1/-1}
/* page head */
.phead{padding:56px 0 48px;border-bottom:2px solid var(--ink)}
.pnum{grid-column:1/4;font:800 clamp(80px,14vw,200px)/.85 var(--disp);margin:0;-webkit-text-stroke:2px var(--ink);color:transparent}
.pnum.sm{font-size:clamp(60px,8vw,120px)}
.ptext{grid-column:5/-1}.ptext h1{font-size:clamp(40px,6vw,84px);margin:8px 0 20px}
.prose p{margin:0 0 18px}.prose h2{font-size:28px;margin-top:32px}
.dash{list-style:none;padding:0}.dash li{padding:10px 0 10px 28px;border-bottom:1px solid var(--rule);position:relative}
.dash li::before{content:"";position:absolute;left:0;top:22px;width:14px;height:3px;background:var(--ink)}
.tabs-wrap{position:sticky;top:66px;z-index:3;background:var(--paper);border-bottom:1px solid var(--rule)}
.tabs{grid-column:1/-1;display:flex;gap:4px;overflow-x:auto;padding:10px 0}
.tabs a{white-space:nowrap;font:600 14px var(--disp);padding:8px 14px;border:2px solid var(--ink);text-decoration:none}
.tabs a.on{background:var(--ink);color:var(--paper)}
.svc{padding:64px 0;border-bottom:2px solid var(--ink);scroll-margin-top:130px}.svc .pnum{grid-column:1/-1}.svc .col-a{grid-column:1/6}
.faq details{border-top:2px solid var(--ink);padding:14px 0}.faq summary{font:700 19px var(--disp);cursor:pointer}
.steps{padding:64px 0}.flow{grid-column:1/-1;list-style:none;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-left:2px solid var(--ink)}
.flow li{padding:24px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);border-top:2px solid var(--ink);margin-top:-2px}
.flow .n{background:var(--y);padding:2px 8px}
.crit{width:100%;border-collapse:collapse}.crit th,.crit td{text-align:left;padding:12px 8px;border-bottom:1px solid var(--rule);vertical-align:top}
.crit th{font:600 12px var(--mono);text-transform:uppercase;border-bottom:2px solid var(--ink)}.crit td:first-child{font:700 17px var(--disp)}
.res{padding:48px 0 80px}.filters{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}
.chip{font:600 13px var(--mono);text-transform:uppercase;padding:8px 14px;border:2px solid var(--ink);background:none;cursor:pointer}
.chip[aria-pressed=true]{background:var(--y)}.count{grid-column:1/-1;color:var(--mute);font:13px var(--mono)}
.rlist{grid-column:1/-1;list-style:none;padding:0;columns:2 360px;column-gap:48px}
.rlist li{break-inside:avoid;border-top:2px solid var(--ink);padding:16px 0 24px}.rlist li[hidden]{display:none}
.facts dt{font:600 12px var(--mono);text-transform:uppercase;color:var(--mute);margin-top:14px}.facts dd{margin:0}
.map{margin-top:28px;border:2px dashed var(--ink);padding:20px;background:repeating-linear-gradient(45deg,transparent 0 10px,#ebe3cc 10px 11px)}
.cform label{display:block;font:600 14px var(--disp);margin-bottom:16px}
.cform input:not([type=checkbox]):not([type=radio]),.cform select,.cform textarea{display:block;width:100%;margin-top:6px;font:17px var(--body);padding:10px;border:2px solid var(--ink);background:#fbf8ef;color:var(--ink)}
.cform fieldset{border:2px solid var(--ink);margin:0 0 16px;padding:12px 16px}.cform legend{font:600 12px var(--mono);text-transform:uppercase;padding:0 6px}
.ck{display:flex!important;gap:10px;align-items:flex-start;font-weight:400!important}.ck input{width:20px;height:20px;accent-color:var(--ink);margin-top:3px}
.seg{display:flex;border:2px solid var(--ink);margin-bottom:20px}.seg label{flex:1;margin:0!important;padding:10px;text-align:center;cursor:pointer}
.seg label:has(input:checked){background:var(--y)}
.opt{font-weight:400;color:var(--mute)}.hp{position:absolute;left:-9999px}
.invalid{border-color:#b3261e!important}.status{font:15px var(--mono);min-height:1.5em}.status.err{color:#9b1c14}.status.ok{background:var(--y);padding:10px}
.foot{background:var(--ink);color:var(--paper);padding:56px 0 24px}.foot a{color:var(--paper)}.foot a:hover{color:var(--ink)}
.foot .big{font:800 72px/1 var(--disp);margin:0 0 12px}.y{color:var(--y)}.foot .lab{color:var(--y)}
.f1{grid-column:1/6}.f2{grid-column:6/9}.f3{grid-column:10/-1}.f3 ul{list-style:none;padding:0}
.note{font-size:14px;opacity:.75}.legal{max-width:1280px;margin:32px auto 0;padding:16px 24px 0;border-top:1px solid #444;font:12px var(--mono)}
.linkish{background:none;border:0;color:var(--y);font:600 14px var(--mono);text-decoration:underline;cursor:pointer;padding:0}
.cookie{position:fixed;left:16px;right:16px;bottom:16px;max-width:560px;background:var(--paper);border:3px solid var(--ink);box-shadow:8px 8px 0 var(--y);padding:20px;z-index:20}
.ck-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.ck-row .btn{flex:1}
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.rv.in{opacity:1;transform:none}
.mega .ln{animation:up .8s both}.mega .ln+.ln{animation-delay:.12s}@keyframes up{from{opacity:0;transform:translateY(40px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.rv{opacity:1;transform:none}}
@media (max-width:900px){
 .menu-btn{display:block}#nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:2px solid var(--ink)}
 #nav.open{display:block}#nav ul{flex-direction:column;align-items:stretch;padding:8px 24px}.dd-menu{position:static}
 .hside,.col-a,.col-b,.svc .col-a,.ptext,.pnum,.quote,.f1,.f2,.f3,.axis{grid-column:1/-1}.axis{grid-row:auto;margin-top:32px}
 .col-b{margin-top:24px}.index a{grid-template-columns:48px 1fr}.index .d{grid-column:2}.flow{grid-template-columns:1fr}
 .tabs-wrap{top:62px}}
/* === Workbook identity (overrides) === */
:root{--body:"Helvetica Neue","Nimbus Sans","Arial Nova",Arial,sans-serif;--paper:#f4f2ea}
body{font-size:17px}html,body{overflow-x:hidden}
a,dd,p,li,td{overflow-wrap:anywhere}.grid12>*,.cta>*,.ck-row>*,.rail>*{min-width:0}
.top{background:var(--ink);color:var(--paper);border-bottom:6px solid var(--y)}
.mark{color:var(--paper)}.mark .dot{color:var(--ink)}.mark:hover{background:none}
#nav a{color:var(--paper);border-radius:6px 6px 0 0}#nav a:hover{background:#2a2d33}
#nav a[aria-current]{background:var(--y);color:var(--ink)}
.dd-btn{color:var(--y)!important;border:2px solid var(--y)!important;border-radius:4px}
.dd-menu{background:var(--y)!important}.dd-menu a{color:var(--ink)!important}.dd-menu a:hover{background:var(--ink)!important;color:var(--y)!important}
.home{padding:56px 0}.mega{grid-column:1/8;font-size:clamp(48px,8vw,124px);text-transform:uppercase;letter-spacing:-.04em}
.hside{grid-column:1/8}.pad{grid-column:9/-1;grid-row:2/4;align-self:start;background:var(--y);padding:24px;border:3px solid var(--ink);transform:rotate(1.2deg)}
.pad ul{list-style:none;padding:0;margin:0}.pad li{padding:10px 0 10px 30px;border-bottom:1px solid var(--ink);position:relative;font-weight:700}
.pad li::before{content:"";position:absolute;left:0;top:13px;width:14px;height:14px;border:2px solid var(--ink)}
.index{display:flex;flex-wrap:wrap;gap:10px;border:0}.index li{flex:1 1 220px}
.index a{display:block;border:2px solid var(--ink);padding:16px;height:100%}.index .t{display:block;font-size:20px;margin-bottom:6px}.index .d{font-size:15px}
.phead{background:var(--paper);padding:40px 0 36px;border-bottom:6px solid var(--ink)}
.sheet{grid-column:1/-1;display:flex;gap:0;margin-bottom:12px}.sheet span,.sheet b{font:700 12px var(--mono);text-transform:uppercase;letter-spacing:.1em;padding:6px 12px}
.sheet span{background:var(--ink);color:var(--y)}.sheet b{background:var(--y)}
.ptext{grid-column:1/10}.ptext h1{font-weight:800;text-transform:uppercase;letter-spacing:-.035em}.ptext .kick{display:none}
.col-a{grid-column:1/5}.col-b{grid-column:6/-1}.svc .col-a{grid-column:1/5;position:sticky;top:140px;align-self:start}
.split.alt{background:#ebe8dc}.quote{grid-column:1/9;font-weight:800}
.tabs a{border-radius:999px;font-size:13px;padding:6px 12px}
.foot{background:var(--y);color:var(--ink);border-top:6px solid var(--ink)}.foot a{color:var(--ink)}.foot a:hover{background:var(--ink);color:var(--y)}
.foot .lab,.y{color:var(--ink)}.foot .big{font-size:48px;text-transform:uppercase}.fq{display:block;font:700 16px var(--mono);text-transform:uppercase;margin-top:8px}
.legal{border-top:2px solid var(--ink)}.linkish{color:var(--ink)}
.cookie{max-width:min(560px,calc(100vw - 32px));max-height:80vh;overflow:auto;box-shadow:8px 8px 0 var(--ink);background:var(--y)}
@media (max-width:900px){.mega,.hside,.pad,.ptext,.quote,.col-a,.col-b,.svc .col-a{grid-column:1/-1;grid-row:auto;position:static}.pad{transform:none;margin-top:28px}
 .menu-btn{color:var(--ink)}#nav{background:var(--ink)}.grid12{padding:0 16px;gap:0 12px}.rail{padding:10px 16px}.mark .w{display:none}.cookie{left:8px;right:8px;bottom:8px;padding:14px}}
/* === Round 3: workbook-specific structures === */
.navi{padding:24px 0;border-bottom:2px solid var(--ink)}.navi .grid12{align-items:center}
.navi .lab{grid-column:1/3}.pick{grid-column:3/7;font:700 16px var(--disp);padding:10px;border:3px solid var(--ink);background:var(--y);color:var(--ink);max-width:100%}
.hint{grid-column:8/-1;margin:0;font-size:15px}
.sheets{max-width:1280px;margin:32px auto;padding:0 24px}
details.svc{border:3px solid var(--ink);margin:0 0 -3px;padding:0;scroll-margin-top:100px}
details.svc>summary{list-style:none;display:flex;gap:16px;align-items:center;padding:18px;cursor:pointer;flex-wrap:wrap}
details.svc>summary::-webkit-details-marker{display:none}
details.svc>summary::after{content:"+";margin-left:auto;font:800 28px var(--disp)}details.svc[open]>summary::after{content:"–"}
details.svc[open]>summary{background:var(--ink);color:var(--paper)}
.tab{font:700 12px var(--mono);text-transform:uppercase;background:var(--y);color:var(--ink);padding:4px 10px}
.st{font:800 clamp(20px,3vw,32px)/1.1 var(--disp);text-transform:uppercase;min-width:0}
details.svc .grid12{padding:28px 18px}details.svc .col-a{position:static}
.filters{grid-column:1/-1;display:flex;gap:16px;align-items:center}.filters .pick{width:auto}
.rlist{columns:auto;counter-reset:none}.rlist li{display:grid;grid-template-columns:200px 1fr 1.4fr;gap:24px;border-top:1px solid var(--ink);padding:18px 0}
.rlist li h3{margin:0;font-size:19px}.rlist li p{margin:0}.rk{font:700 12px var(--mono);text-transform:uppercase;align-self:start;background:var(--y);padding:4px 8px;justify-self:start}
.brief{padding:48px 0}.strip{grid-column:1/-1;display:grid;grid-template-columns:2fr 1fr;gap:24px;background:var(--ink);color:var(--paper);padding:24px;margin-bottom:40px}
.strip a{color:var(--y)}.strip .facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:4px 24px;margin:0}.strip .facts dt{color:var(--y)}
.strip .map{margin:0;border-color:var(--y);background:none}.strip .map .arrow{color:var(--y)}
.formcol{grid-column:3/11}
.ticket{padding:48px 0}.rules{grid-column:1/-1;background:var(--y);border:3px solid var(--ink);padding:20px;margin-bottom:40px}
.rules ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.rules li{border-left:4px solid var(--ink);padding-left:12px;font-weight:600}
.ticket .formcol{grid-column:1/8}
.qa p{border-left:6px solid var(--y);padding-left:16px}
.flow{grid-template-columns:1fr;border:0}.flow li{border:0;border-bottom:2px solid var(--ink);margin:0;padding:18px 0 18px 56px;position:relative}
.flow .n{position:absolute;left:0;top:20px;width:36px;height:36px;display:grid;place-items:center;border:3px solid var(--ink)}
.flow h3{display:inline;margin-right:8px}.flow p{display:inline}
.steps .col-a{position:sticky;top:120px;align-self:start}
@media (max-width:900px){.navi .lab,.pick,.hint,.formcol,.ticket .formcol{grid-column:1/-1}.hint{margin-top:10px}.sheets{padding:0 12px}
 .rlist li{grid-template-columns:1fr;gap:8px}.strip{grid-template-columns:1fr;padding:16px}.steps .col-a{position:static}.filters{flex-wrap:wrap}}