/* openaigatewayapi.com - departure-gate boarding pass */
:root{--canvas:#f4e5e7;--paper:#ffffff;--ink:#2b0f10;--mut:#694748;--vio:#a5361d;--vio-d:#802211;--tint:#fbeded;--rule:#e1bfc2;
--stub:#2e0f0f;--stub-2:#44191a;--stub-t:#fbe8ea;--stub-m:#dbaeb2;--hot:#4af0b7;--side:292px;
--disp:"Antonio","Arial Narrow",Impact,sans-serif;--text:"Geologica",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Anonymous Pro",ui-monospace,Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--canvas) radial-gradient(circle,rgba(165,54,29,.13) 1px,transparent 1.5px) 0 0/22px 22px;color:var(--ink);font:400 17px/1.65 var(--text);overflow-x:hidden}
[hidden]{display:none!important}
[id]{scroll-margin-top:88px}
img,svg{max-width:100%}
a{color:var(--vio);text-underline-offset:3px}
a:hover{color:var(--vio-d)}
:focus-visible{outline:3px solid var(--vio);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2{font-family:var(--disp);font-weight:700;text-transform:uppercase;line-height:1;letter-spacing:.005em;overflow-wrap:break-word}
h1{font-size:clamp(36px,5.1vw,74px)}
h2{font-size:clamp(27px,3vw,40px)}
h3{font:600 19px/1.3 var(--text)}
.mono{font:400 13px/1.4 var(--mono);letter-spacing:.04em;overflow-wrap:anywhere}
.lead{font-size:clamp(17px,1.5vw,20px);line-height:1.6;color:var(--mut);max-width:62ch}
.skip{position:absolute;left:12px;top:-80px;z-index:99;background:var(--hot);color:var(--ink);padding:12px 16px;border-radius:8px;font-weight:600}
.skip:focus{top:12px}

/* buttons: ticket blocks with a punched notch at each end */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border:0;border-radius:9px;background:var(--vio);color:#ffffff;
font:700 15px/1.1 var(--mono);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;text-align:center;cursor:pointer;
-webkit-mask:radial-gradient(circle 7px at left center,transparent 96%,#000000) left/51% 100% no-repeat,radial-gradient(circle 7px at right center,transparent 96%,#000000) right/51% 100% no-repeat;
mask:radial-gradient(circle 7px at left center,transparent 96%,#000000) left/51% 100% no-repeat,radial-gradient(circle 7px at right center,transparent 96%,#000000) right/51% 100% no-repeat;transition:background .15s,transform .15s}
.btn:hover{background:var(--vio-d);color:#ffffff}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:0;box-shadow:inset 0 0 0 3px var(--hot),inset 0 0 0 5px var(--ink)}
.btn.hot{background:var(--hot);color:var(--ink)}
.btn.hot:hover{background:#72fbcc;color:var(--ink)}
.btn.hot:focus-visible{box-shadow:inset 0 0 0 3px var(--ink)}
.btn.ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#ffffff}
.btn.ghost:focus-visible{box-shadow:inset 0 0 0 4px var(--vio)}
.btn.sm{min-height:44px;padding:0 18px;font-size:13px}
.acts{display:flex;flex-wrap:wrap;gap:12px}
.barcode{display:block;height:40px;color:inherit;background:repeating-linear-gradient(90deg,currentColor 0 2px,transparent 2px 5px,currentColor 5px 6px,transparent 6px 10px,currentColor 10px 14px,transparent 14px 16px,currentColor 16px 17px,transparent 17px 22px,currentColor 22px 25px,transparent 25px 27px)}

/* ---------- stub: top bar on mobile, fixed tear-off stub on desktop ---------- */
.stub{position:sticky;top:0;z-index:30;background:var(--stub);color:var(--stub-t);padding:8px 14px}
.stub::after{content:"";position:absolute;left:0;right:0;bottom:-7px;height:14px;pointer-events:none;background:radial-gradient(circle,var(--stub) 0 5px,transparent 5.5px) 2px 0/18px 14px repeat-x}
.stub-top{display:flex;align-items:center;gap:10px}
.logo{display:flex;align-items:center;gap:9px;min-width:0;flex:1;color:var(--stub-t);text-decoration:none;min-height:44px}
.logo:hover{color:#ffffff}
.mark{flex:none;width:30px;height:30px}
.logo-t{font:700 17px/1.05 var(--disp);letter-spacing:.03em;text-transform:uppercase;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.bar-cta{min-height:44px;padding:0 15px;font-size:12.5px;letter-spacing:.04em;flex:none}
.burger{flex:none;width:44px;height:44px;border:0;border-radius:8px;background:var(--stub-2);cursor:pointer;display:grid;place-items:center;padding:0}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:var(--stub-t);border-radius:2px;content:"";position:relative}
.burger span::before{position:absolute;top:-6px}.burger span::after{position:absolute;top:6px}
.burger:focus-visible,.logo:focus-visible,.punch:focus-visible{outline-color:var(--hot)}
.stub-tag,.stub-info,.seam{display:none}
.nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--stub);padding:4px 16px 22px;box-shadow:0 24px 40px -12px rgba(34,6,6,.6)}
.nav.open{display:block}
.punch{display:grid;grid-template-columns:30px minmax(0,1fr) auto;align-items:center;min-height:52px;color:var(--stub-t);text-decoration:none;border-bottom:1.5px dashed #693537;font:700 16px/1.2 var(--mono);letter-spacing:.07em;text-transform:uppercase}
.punch:hover{color:var(--hot)}
.hole{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--stub-m)}
.punch[aria-current] .hole{background:var(--canvas);border-color:var(--canvas);box-shadow:inset 0 3px 4px rgba(34,6,6,.55)}
.punch[aria-current]{color:var(--hot)}
.punch .no{color:var(--stub-m);font-weight:400;font-size:13px}
.nav-cta{display:flex;margin-top:18px;width:100%}
.shell{padding:22px 16px 0;max-width:1180px;min-width:0}
main{display:block;min-width:0}
main>*+*{margin-top:clamp(40px,5.5vw,72px)}

@media(min-width:1024px){
[id]{scroll-margin-top:24px}
.stub{position:fixed;inset:0 auto 0 0;width:var(--side);padding:26px 30px 24px 26px;display:flex;flex-direction:column;overflow-y:auto}
.stub::after{display:none}
.seam{display:block;position:fixed;z-index:31;top:0;bottom:0;left:calc(var(--side) - 9px);width:18px;pointer-events:none;background:radial-gradient(circle,var(--canvas) 0 6px,transparent 6.5px) 0 5px/18px 22px repeat-y}
.stub-top{display:block}
.logo{display:block;min-height:0}
.mark{width:46px;height:46px;display:block;margin-bottom:14px}
.logo-t{display:block;font-size:21.5px;letter-spacing:.02em;white-space:normal;overflow-wrap:anywhere}
.bar-cta,.burger{display:none}
.stub-tag{display:block;margin-top:10px;font:400 13.5px/1.45 var(--mono);color:var(--stub-m);letter-spacing:.02em}
.nav{display:block;position:static;padding:0;margin-top:26px;box-shadow:none;border-top:1.5px dashed #693537}
.punch{min-height:48px;font-size:15px}
.stub-info{display:block;margin-top:auto;padding-top:26px;color:var(--stub-m)}
.stub-info .barcode{margin:16px 0 8px;height:34px}
.stub-info .mono{font-size:11.5px;letter-spacing:0}
.shell{margin-left:var(--side);padding:38px clamp(30px,4.2vw,64px) 0}
}

/* ---------- fare lines: dotted leaders + mono totals ---------- */
.fare>div{display:flex;align-items:baseline;gap:8px;padding:9px 0}
.fare>div::after{content:"";order:1;flex:1;min-width:14px;border-bottom:2px dotted currentColor;opacity:.4;transform:translateY(-4px)}
.fare dt{order:0;max-width:62%;font:400 14px/1.3 var(--mono);letter-spacing:.03em;text-transform:uppercase;color:var(--mut)}
.fare dd{order:2;font:700 22px/1 var(--mono);white-space:nowrap}
.fare.mini>div{padding:6px 0}
.fare.mini dt{font-size:12px;color:var(--stub-m)}
.fare.mini dd{font-size:15px;color:var(--stub-t)}
.fare.big>div{padding:14px 0}
.fare.big>div:first-child dd{font:700 clamp(44px,5vw,64px)/.9 var(--disp);color:var(--vio)}
.fare.big dd{font-size:26px}
.fare.big dt{font-size:15px}

/* ---------- pass: coupon + tear-off part with punched notches ---------- */
.pass{position:relative;display:grid;grid-template-columns:minmax(0,1fr);background:var(--paper);border-radius:18px;box-shadow:0 1px 0 #e6cbcd,0 22px 40px -30px rgba(92,17,14,.6)}
.coupon{padding:clamp(22px,3.6vw,44px);min-width:0}
.tear{position:relative;min-width:0;padding:clamp(20px,3vw,34px) clamp(22px,3vw,34px);border-top:2px dashed var(--rule);display:flex;flex-direction:column;gap:12px;justify-content:center}
.tear::before,.tear::after{content:"";position:absolute;top:-13px;width:24px;height:24px;border-radius:50%;background:var(--canvas);box-shadow:inset 0 2px 3px rgba(92,17,14,.16)}
.tear::before{left:-12px}.tear::after{right:-12px}
.pass.dark{background:var(--stub);color:var(--stub-t);box-shadow:0 22px 40px -28px rgba(50,10,10,.9)}
.pass.dark .tear{border-color:#784042;color:var(--stub-m)}
.pass.dark h2{color:#ffffff}
.pass.dark p{color:var(--stub-m);margin-top:12px;max-width:56ch}
@media(min-width:1240px){
.pass.two{grid-template-columns:minmax(0,1fr) 330px}
.pass.two .tear,.faregrid .tear{border-top:0;border-left:2px dashed var(--rule)}
.pass.two .tear::before{left:-13px;top:-12px}
.pass.two .tear::after{left:-13px;right:auto;top:auto;bottom:-12px}
.pass.dark.two .tear{border-color:#784042}
}
.sheet{background:var(--paper);border-radius:18px;padding:clamp(20px,3.6vw,44px);box-shadow:0 1px 0 #e6cbcd;min-width:0}

/* ---------- gates (sections) ---------- */
.gate-h{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.gate-n{flex:none;font:700 15px/1 var(--mono);background:var(--ink);color:var(--hot);padding:7px 9px 6px;border-radius:5px;letter-spacing:.06em}
.gate-h h2{min-width:0}
.dots{flex:1;min-width:20px;border-bottom:3px dotted var(--rule);align-self:flex-end;margin-bottom:9px}

/* hero */
.eyebrow{display:inline-block;font:700 13.5px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--vio);border:1.5px dashed var(--vio);border-radius:6px;padding:6px 10px;margin-bottom:20px}
.hero h1{font-size:clamp(36px,4.9vw,70px)}
.hero .lead{margin-top:20px}
.ticks{margin:24px 0 28px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:32px;font-weight:600;line-height:1.45}
.ticks li::before{content:"";position:absolute;left:0;top:.2em;width:18px;height:18px;border-radius:50%;background:var(--canvas);box-shadow:inset 0 2px 3px rgba(92,17,14,.4),0 0 0 2px var(--vio)}
.hero .tear{background:var(--tint);border-radius:0 0 18px 18px;justify-content:flex-start}
.hero .tear .barcode{margin-top:14px;height:52px}
@media(min-width:1240px){.hero .tear{border-radius:0 18px 18px 0;padding-top:40px;padding-bottom:36px}.hero .fare>div{padding:15px 0}.hero .fare dd{font-size:24px}.hero .fare dt{font-size:13px}.hero .tear .barcode{margin-top:auto;height:64px}.hero .tear .mono{font-size:12px;letter-spacing:0}}

/* code */
.codebox{background:var(--stub);border-radius:16px;overflow:hidden;min-width:0;box-shadow:0 22px 40px -28px rgba(50,10,10,.9)}
.codetabs{display:flex;gap:4px;padding:8px 10px 0;border-bottom:2px dashed #693537;overflow-x:auto}
.codetabs button{min-height:46px;padding:0 18px;border:0;border-radius:9px 9px 0 0;background:none;color:var(--stub-m);font:700 14px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;white-space:nowrap}
.codetabs button:hover{color:#ffffff}
.codetabs button[aria-selected="true"]{background:var(--hot);color:var(--ink)}
.codetabs button:focus-visible{outline-color:var(--hot);outline-offset:-3px}
pre.code{position:relative;margin:0;padding:20px 22px;background:var(--stub);color:#fbdfe0;font:400 14.5px/1.65 var(--mono);overflow-x:auto;max-width:100%;border-radius:14px;-moz-tab-size:2;tab-size:2}
pre.code:focus-visible{outline-color:var(--hot);outline-offset:-3px}
.codebox pre.code{border-radius:0}
pre.code code{font:inherit;background:none;padding:0;color:inherit;white-space:pre}
pre.code .k{color:var(--hot)}pre.code .s{color:#ffc7a8}pre.code .c{color:#c2989d;font-style:italic}
.copy{float:right;position:sticky;right:0;margin:-8px -10px 6px 14px;min-height:44px;padding:0 14px;border:1.5px dashed #905055;border-radius:8px;background:var(--stub-2);color:var(--stub-t);font:700 12.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.copy:hover{border-color:var(--hot);color:var(--hot)}
.copy:focus-visible{outline-color:var(--hot)}

/* feature tags */
.tags{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
@media(min-width:680px){.tags{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1320px){.tags{grid-template-columns:repeat(3,minmax(0,1fr))}}
.tag{background:var(--paper);border-radius:14px;padding:18px 22px 24px;box-shadow:0 1px 0 #e6cbcd;min-width:0}
.tag-n{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.tag-n b{font:700 15px/1 var(--mono);color:var(--vio);letter-spacing:.06em}
.tag-n i{flex:1;border-bottom:2px dotted var(--rule)}
.tag-n u{width:16px;height:16px;border-radius:50%;background:var(--canvas);box-shadow:inset 0 2px 3px rgba(92,17,14,.35)}
.tag h3{margin-bottom:8px}
.tag p:last-child{color:var(--mut);font-size:16px;line-height:1.6}

/* steps = legs of a route */
.legs{display:grid;gap:0;grid-template-columns:minmax(0,1fr)}
.leg{position:relative;padding:0 0 28px 58px;min-width:0}
.leg::before{content:"";position:absolute;left:18px;top:6px;bottom:-6px;border-left:2px dashed var(--vio)}
.leg:last-child::before{display:none}
.leg-n{position:absolute;left:0;top:0;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--paper);box-shadow:0 0 0 2px var(--vio),inset 0 3px 4px rgba(92,17,14,.22);font:700 17px/1 var(--mono);color:var(--vio)}
.leg h3{margin-bottom:6px;padding-top:6px}
.leg p{color:var(--mut);font-size:16px}
@media(min-width:900px){
.legs{grid-template-columns:repeat(3,minmax(0,1fr))}
.leg{padding:58px 28px 0 0}
.leg::before{left:6px;right:-6px;top:18px;bottom:auto;border-left:0;border-top:2px dashed var(--vio)}
.leg:last-child::before{display:block;right:40%}
}

/* use cases = manifest rows */
.manifest>div{display:grid;gap:6px 28px;padding:18px 0;border-top:1.5px dashed var(--rule);grid-template-columns:minmax(0,1fr)}
.manifest>div:first-child{border-top:0;padding-top:0}
.manifest>div:last-child{padding-bottom:0}
.manifest h3{font:700 23px/1.1 var(--disp);text-transform:uppercase;letter-spacing:.01em}
.manifest p{color:var(--mut)}
@media(min-width:760px){.manifest>div{grid-template-columns:minmax(0,5fr) minmax(0,9fr);align-items:baseline}}

/* prose */
.prose{font-size:17px;line-height:1.72}
.prose>*{max-width:74ch}
.prose>pre,.prose>table,.prose>.toc{max-width:100%}
.prose>*+*{margin-top:1.05em}
.prose h2{font-size:clamp(25px,2.6vw,34px);margin-top:1.7em;padding-top:1.1em;border-top:2px dashed var(--rule);max-width:100%}
.prose>h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h3{margin-top:1.6em;font-size:20px}
.prose ul,.prose ol{padding-left:4px;display:grid;gap:8px}
.prose li{position:relative;padding-left:28px}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.55em;width:12px;height:12px;border-radius:50%;box-shadow:0 0 0 2px var(--vio);background:var(--canvas)}
.prose ol{counter-reset:n}
.prose ol>li{counter-increment:n}
.prose ol>li::before{content:counter(n);position:absolute;left:0;top:.1em;font:700 15px/1.6 var(--mono);color:var(--vio)}
.prose table{display:block;overflow-x:auto;border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.45}
.prose th{font:700 13px/1.3 var(--mono);letter-spacing:.06em;text-transform:uppercase;text-align:left;background:var(--ink);color:#ffffff;padding:11px 14px;white-space:nowrap}
.prose td{padding:11px 14px;border-bottom:1.5px dashed var(--rule);vertical-align:top;min-width:120px}
.prose tr:nth-child(even) td{background:var(--tint)}
.prose :not(pre)>code{font:400 .92em var(--mono);background:var(--tint);border:1px solid #f3d6d7;border-radius:5px;padding:1px 6px;overflow-wrap:anywhere}
.prose blockquote{margin:1.2em 0;padding:4px 0 4px 20px;border-left:4px solid var(--vio);color:var(--mut)}
.prose strong{font-weight:600}
.prose.long{font-size:18px}
.prose .toc{display:none}

/* faq */
.faq{padding-top:clamp(8px,1.6vw,20px);padding-bottom:clamp(8px,1.6vw,20px)}
.faq details{border-bottom:1.5px dashed var(--rule)}
.faq details:last-child{border-bottom:0}
.faq summary{display:flex;align-items:center;gap:16px;min-height:62px;padding:12px 0;cursor:pointer;font-weight:600;font-size:18px;line-height:1.35;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";flex:none;width:20px;height:20px;border-radius:50%;box-shadow:0 0 0 2px var(--vio);background:var(--paper);transition:background .15s}
.faq details[open] summary::before{background:var(--canvas);box-shadow:0 0 0 2px var(--vio),inset 0 3px 4px rgba(92,17,14,.5)}
.faq summary:hover{color:var(--vio)}
.faq details p{padding:0 0 20px 36px;color:var(--mut);max-width:76ch}

/* closing pass */
.cta .tear{align-items:stretch}
.cta .tear .barcode{height:30px;margin-top:6px}
.cta .btn{width:100%}

/* page head */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;margin-bottom:18px;font:700 13.5px/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--vio)}
.phead .lead{margin-top:20px}
.phead{padding-bottom:clamp(22px,3vw,34px);border-bottom:3px dotted var(--rule)}
.phead+*{margin-top:clamp(24px,3.4vw,40px)}
.stamp{margin-top:20px;display:inline-flex;gap:10px;align-items:center;font:700 13.5px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--vio);border:1.5px dashed var(--vio);border-radius:6px;padding:8px 12px;transform:rotate(-1.2deg)}

/* toc */
.withtoc{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
.toc{background:var(--tint);border-radius:14px;padding:18px 22px;min-width:0;box-shadow:inset 0 0 0 1.5px #f1d2d3}
.toc-h{font:700 13.5px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mut);margin-bottom:8px}
.toc ol{position:relative}
.toc li{position:relative;padding-left:26px}
.toc li::before{content:"";position:absolute;left:0;top:50%;width:12px;height:12px;margin-top:-6px;border-radius:50%;background:var(--paper);box-shadow:0 0 0 2px var(--vio);z-index:1}
.toc li::after{content:"";position:absolute;left:5px;top:0;bottom:0;border-left:2px dashed var(--rule)}
.toc li:first-child::after{top:50%}.toc li:last-child::after{bottom:50%}
.toc a{display:flex;align-items:center;min-height:44px;font-size:15.5px;line-height:1.3;color:var(--ink);text-decoration:none}
.toc a:hover{color:var(--vio);text-decoration:underline}
@media(min-width:1280px){
.withtoc{grid-template-columns:minmax(0,1fr) 250px;align-items:start;gap:30px}
.withtoc .toc{order:2;position:sticky;top:30px;max-height:calc(100vh - 60px);overflow-y:auto;background:none;box-shadow:none;padding:6px 0 0}
.toc a{min-height:0;padding:9px 0;font-size:14.5px}
}

/* takeaways */
.takes{background:var(--ink);color:var(--stub-t);border-radius:18px;padding:clamp(22px,3.4vw,38px)}
.takes h2{font-size:clamp(24px,2.4vw,30px);color:var(--hot);margin-bottom:18px}
.takes ol{display:grid;gap:14px 34px;counter-reset:t}
.takes li{counter-increment:t;position:relative;padding-left:46px;line-height:1.55}
.takes li::before{content:counter(t);position:absolute;left:0;top:-2px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--canvas);color:var(--ink);font:700 15px/1 var(--mono);box-shadow:inset 0 3px 4px rgba(92,17,14,.4)}
@media(min-width:820px){.takes ol{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- pricing ---------- */
.faregrid{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
@media(min-width:1240px){.faregrid{grid-template-columns:minmax(0,11fr) minmax(0,9fr);align-items:stretch}
.faregrid .tear{border-left:0!important;border-top:2px dashed var(--rule)}}
.faregrid .pass{grid-template-rows:1fr auto}
.itin .tear{color:var(--mut)}
.itin .tear .barcode{color:var(--ink)}
.calcp .gate-h{margin-bottom:18px}
.calcp .gate-h h2{font-size:clamp(25px,2.4vw,32px)}
.calcp .btn{width:100%}
.calc{display:grid;gap:16px;grid-template-columns:minmax(0,1fr)}
@media(min-width:560px){.calc{grid-template-columns:repeat(2,minmax(0,1fr))}.calc>div:last-child{grid-column:1/-1}}
.calc{align-items:end}
.calc>div{min-width:0}
.calc label{display:block;font:700 13px/1.3 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--mut);margin-bottom:7px}
.calc input{width:100%;min-height:52px;padding:0 14px;border:2px solid var(--ink);border-radius:9px;background:var(--tint);color:var(--ink);font:700 19px/1 var(--mono)}
.calc input:focus-visible{outline:3px solid var(--vio);outline-offset:2px}
.calc>div:last-child{display:flex;align-items:baseline;gap:10px;border-top:2px dashed var(--rule);padding-top:16px;margin-top:4px}
.calc>div:last-child label{margin:0;max-width:55%}
.calc>div:last-child::after{content:"";order:1;flex:1;min-width:14px;border-bottom:3px dotted var(--rule);transform:translateY(-6px)}
.calc output{order:2;font:700 clamp(44px,5vw,62px)/.9 var(--disp);color:var(--vio);white-space:nowrap}

/* ---------- key page ---------- */
.khero{display:grid;gap:22px;grid-template-columns:minmax(0,1fr)}
.khero>*{min-width:0}
.khero h1{font-size:clamp(33px,4.4vw,62px)}
.bens{margin-top:26px;display:grid;gap:0}
.bens li{position:relative;padding:14px 0 14px 34px;border-top:1.5px dashed var(--rule)}
.bens li::before{content:"";position:absolute;left:2px;top:19px;width:16px;height:16px;border-radius:50%;background:var(--paper);box-shadow:0 0 0 2px var(--vio),inset 0 2px 3px rgba(92,17,14,.3)}
.bens h3{font-size:17.5px}
.bens p{color:var(--mut);font-size:15.5px;line-height:1.55;margin-top:3px}
.kh-form{position:relative}
.kh-form::before{content:"";position:absolute;inset:10px -6px -8px 8px;background:var(--vio);border-radius:18px;transform:rotate(1.6deg);opacity:.9}
@media(min-width:1180px){
.khero{grid-template-columns:minmax(0,1fr) minmax(380px,440px);grid-template-areas:"h f" "l f";grid-template-rows:auto 1fr;gap:20px 48px}
.kh-head{grid-area:h}.kh-form{grid-area:f;align-self:start}.kh-lead{grid-area:l}
}
.form{position:relative;background:var(--paper);border-radius:18px;overflow:hidden;box-shadow:0 26px 44px -26px rgba(92,17,14,.7)}
.form::after{content:"";display:block;height:34px;margin:0 26px 24px;color:var(--ink);background:repeating-linear-gradient(90deg,currentColor 0 2px,transparent 2px 5px,currentColor 5px 6px,transparent 6px 10px,currentColor 10px 14px,transparent 14px 16px,currentColor 16px 17px,transparent 17px 22px,currentColor 22px 25px,transparent 25px 27px)}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--stub);padding:8px 8px 0}
.tabs2 button{min-height:52px;border:0;border-radius:10px 10px 0 0;background:none;color:var(--stub-m);font:700 14.5px/1.1 var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;padding:0 8px}
.tabs2 button:hover{color:#ffffff}
.tabs2 button[aria-selected="true"]{background:var(--paper);color:var(--ink)}
.tabs2 button:focus-visible{outline-color:var(--hot);outline-offset:-4px}
.msg{margin:20px 26px 0;padding:12px 14px;border-radius:9px;background:var(--tint);border:1.5px dashed var(--vio);font-size:15.5px;line-height:1.45}
.msg:empty{display:none}
.msg.err{background:#fafdea;border-color:#8eb012;color:#6f8a0c;font-weight:600}
.form form{padding:22px 26px 20px;display:grid;gap:16px}
.row{min-width:0}
.row label{display:block;font:700 13px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:7px}
.row input{width:100%;min-height:52px;padding:0 14px;border:2px solid var(--ink);border-radius:9px;background:#fdf7f7;color:var(--ink);font:400 17px/1.2 var(--text)}
.row input:focus-visible{outline:3px solid var(--vio);outline-offset:2px;background:#ffffff}
.note{font-size:14px;line-height:1.45;color:var(--mut);margin-top:7px}
.form form>.note{margin-top:0;padding-top:14px;border-top:2px dashed var(--rule)}
.form form>.btn{width:100%;min-height:56px;font-size:16px}
.keyout{display:none;padding:24px 26px 20px}
.keyout.on{display:block}
.keyout h3{font:700 26px/1.05 var(--disp);text-transform:uppercase;margin-bottom:14px}
.keybox{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 14px;border:2px dashed var(--vio);border-radius:10px;background:var(--tint)}
.keybox>span{flex:1;min-width:0;font:700 15px/1.4 var(--mono);overflow-wrap:anywhere}
.keyout>p{margin-top:12px;font-size:15.5px;line-height:1.75;overflow-wrap:anywhere}
.keyout code{font:400 14px var(--mono);background:var(--tint);padding:1px 6px;border-radius:5px}
.keyout .mut{color:var(--mut)}
.keyout .acts{margin-top:16px;gap:8px}

/* 404 */
.nf h1{font-size:clamp(44px,7vw,104px);color:var(--vio)}
.nf .lead{margin-top:18px}

/* footer */
.foot{margin-top:clamp(48px,6vw,80px);padding:26px 0 40px;border-top:3px dotted var(--rule);display:grid;gap:14px 30px;grid-template-columns:minmax(0,1fr);color:var(--mut)}
.foot-a{display:flex;align-items:center;gap:16px;min-width:0}
.foot-b{font:700 19px/1 var(--disp);text-transform:uppercase;letter-spacing:.03em;color:var(--ink);overflow-wrap:anywhere;min-width:0}
.foot-a .barcode{flex:1;max-width:150px;height:22px;color:var(--ink)}
.foot-l{display:flex;flex-wrap:wrap;gap:0 22px}
.foot-l a{display:inline-flex;align-items:center;min-height:44px;font:700 13.5px/1.2 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--ink)}
.foot-l a:hover{color:var(--vio)}
.legal{font-size:14px;line-height:1.5;max-width:80ch}
@media(min-width:900px){.foot{grid-template-columns:minmax(0,1fr) auto;align-items:center}.legal{grid-column:1/-1}}

@media(max-width:400px){.logo-t{font-size:15px}.bar-cta{padding:0 12px;font-size:12px}.stub{padding:8px 10px}.stub-top{gap:8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}
@media print{.stub,.seam{display:none}.shell{margin:0}}