/* UrbanStat — a technical atlas. Warm paper, hairline plates and numbered figures frame one recurring object: data layers lifting off a property. */
:root{
  --bg:#fbfaf9; --panel:#f4f3f0; --surface:#ffffff; --ink:#0f121a; --fg:#14171f; --muted:#726b65; --line:#e3e1dd; --line-2:#c5c1b9;
  --blue:#103bc6; --blue-l:#7d97ff; --blue-soft:rgba(16,59,198,.1); --hot:#d9480f;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --mono:"Geist Mono",ui-monospace,Menlo,Consolas,monospace;
  --wrap:1360px; --pad:max(20px,min(40px,4vw)); --r:6px; --ease:cubic-bezier(.2,.8,.2,1);
  --shadow:0 1px 2px rgba(15,18,26,.06),0 16px 40px -18px rgba(15,18,26,.28);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2{color:var(--ink);font-weight:700;letter-spacing:-.04em;line-height:1.03;text-wrap:balance}
h1 em,h2 em,.serif{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--blue);letter-spacing:-.015em}
h1 em,h2 em{font-size:1.06em}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.mono{font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:4px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.ic{width:20px;height:20px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:44px;padding-inline:20px;border-radius:var(--r);font:500 15px var(--sans);border:1px solid transparent;white-space:nowrap;cursor:pointer;transition:background .25s,border-color .25s,translate .3s var(--ease),box-shadow .3s}
.btn.p{background:var(--blue);color:#fff}.btn.p:hover{background:#0c2fa3;translate:0 -1px;box-shadow:0 10px 24px -10px rgba(16,59,198,.7)}
.btn.o{border-color:rgba(16,59,198,.3);color:var(--blue);background:var(--surface)}.btn.o:hover{border-color:var(--blue);background:#eef1fb}
.btn i{font-style:normal;transition:translate .3s var(--ease)}.btn:hover i{translate:3px 0}
.more{display:inline-flex;gap:8px;align-items:center;font-size:14px;font-weight:500;color:var(--blue)}
.more i{font-style:normal;transition:translate .3s var(--ease)}a:hover .more i,.more:hover i{translate:4px 0}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(251,250,249,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:30px;height:64px;position:relative}
.logo{display:flex;align-items:center;gap:9px;font-size:19px;letter-spacing:-.03em;color:var(--ink)}
.logo svg{width:26px;height:19px;fill:var(--ink)}
.logo b{font-weight:700}.logo span{font-weight:400}
.links{display:flex;align-items:center;gap:30px;margin-left:auto;font-size:14px;font-weight:500;color:var(--muted)}
.links a{transition:color .2s}.links>a:hover,.dd:hover>a,.dd:focus-within>a,.links .cur{color:var(--ink)}
.dd{position:relative}
.dd>a{display:flex;align-items:center;gap:6px}
.dd>a::after{content:"";width:6px;height:6px;border:solid currentColor;border-width:0 1.5px 1.5px 0;rotate:45deg;translate:0 -2px;transition:rotate .3s,translate .3s}
.dd:hover>a::after,.dd:focus-within>a::after{rotate:225deg;translate:0 2px}
.pop{position:absolute;top:100%;left:-16px;padding-top:14px;opacity:0;visibility:hidden;translate:0 6px;transition:opacity .25s,translate .3s var(--ease),visibility .25s}
.dd:hover .pop,.dd:focus-within .pop{opacity:1;visibility:visible;translate:0}
.pop div{display:grid;min-width:240px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}
.pop a{padding:9px 12px;border-radius:4px;color:var(--fg)}.pop a:hover{background:var(--panel)}
.nav .btn{height:36px;font-size:14px}
.menu{display:none;margin-left:auto;background:none;border:1px solid var(--line-2);border-radius:var(--r);height:36px;padding-inline:12px;font:500 13px var(--sans);color:var(--ink)}
@media (max-width:900px){
  .links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .links.open{display:flex}.links>a,.dd>a{padding:10px 0}.dd>a::after{display:none}
  .pop{position:static;opacity:1;visibility:visible;translate:0;padding:0}.pop div{border:0;box-shadow:none;background:none;padding:0 0 6px 12px;min-width:0}
  .menu{display:block}.nav .wrap{gap:10px}
}
@media (max-width:480px){.nav .wrap>.btn{display:none}}

/* hero with layer scene */
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border-bottom:1px solid var(--line)}
.copy{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:center;padding:clamp(48px,6.4vw,96px) clamp(20px,4vw,56px) clamp(48px,6vw,88px) max(var(--pad),calc((100vw - var(--wrap))/2 + var(--pad)))}
.copy::before,.phero::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(rgba(15,18,26,.13) 1px,transparent 1.3px) 0 0/20px 20px;mask-image:linear-gradient(100deg,#000,transparent 55%);-webkit-mask-image:linear-gradient(100deg,#000,transparent 55%)}
h1{font-size:clamp(42px,5.4vw,78px);margin-top:22px}
h1 .w{display:inline-block;animation:in .9s var(--ease) both;animation-delay:calc(var(--i)*90ms + 80ms)}
@keyframes in{from{opacity:0;transform:translateY(.3em);filter:blur(8px)}}
.tagline{font-family:var(--serif);font-style:italic;color:var(--blue);font-size:clamp(24px,2.4vw,32px);line-height:1.15;margin-top:14px;letter-spacing:-.01em}
.lede{font-size:18px;color:var(--muted);max-width:28em;margin-top:22px;text-wrap:pretty}
.trio{display:flex;margin-top:34px}
.trio div{padding-inline:24px;border-left:1px solid var(--line)}
.trio div:first-child{padding-left:0;border-left:0}
.trio b{display:block;font-size:30px;font-weight:600;letter-spacing:-.03em;line-height:1.1;color:var(--ink);font-variant-numeric:tabular-nums}
.trio span{display:block;margin-top:6px;max-width:11em;line-height:1.6}
.cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px}

.scene{position:relative;min-height:clamp(540px,46vw,680px);border-left:1px solid var(--line);overflow:hidden;--gap:8px;--rx:56deg;--rz:-42deg;
  background:linear-gradient(rgba(15,18,26,.05) 1px,transparent 1px) 0 0/56px 56px,linear-gradient(90deg,rgba(15,18,26,.05) 1px,transparent 1px) 0 0/56px 56px,var(--panel)}
.stage3d{position:absolute;inset:0;perspective:1500px}
.stack{position:absolute;left:37%;top:60%;--S:clamp(210px,21.5vw,310px);width:var(--S);height:var(--S);margin:calc(var(--S)/-2) 0 0 calc(var(--S)/-2);transform-style:preserve-3d;transform:rotateX(var(--rx)) rotateZ(var(--rz))}
.layer{position:absolute;inset:0;border-radius:12px;border:1px solid var(--line-2);background:rgba(255,255,255,.5);overflow:hidden;transform:translateZ(calc(var(--n)*var(--gap) + var(--lift,0px)));transition:transform 1.1s var(--ease),opacity .5s,border-color .4s,box-shadow .4s}
.layer:first-child{background:var(--surface);box-shadow:0 60px 70px -24px rgba(15,18,26,.4)}
.layer svg,.layer img{display:block;width:100%;height:100%}
.layer img{object-fit:cover;filter:grayscale(1) contrast(1.05) brightness(1.04)}
.scene.pick .layer{opacity:.2}
.scene.pick .layer.base{opacity:.5}
.scene.pick .layer.on{opacity:1;--lift:14px;border-color:var(--blue);box-shadow:0 0 0 1.5px var(--blue);background:rgba(255,255,255,.62)}
.rcard{position:absolute;right:clamp(16px,2.4vw,36px);top:clamp(24px,5vw,72px);width:254px;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);z-index:2}
.rcard .num{display:flex;align-items:baseline;gap:8px;margin-top:8px}
.rcard .num b{font-size:34px;font-weight:600;letter-spacing:-.04em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.rcard .num span{font-family:var(--mono);font-size:11px;color:var(--muted)}
.rcard .num .pillb{margin-left:auto;font:500 11.5px var(--sans);padding:3px 9px;border-radius:999px;background:var(--blue-soft);color:var(--blue);align-self:center}
.meter{height:3px;border-radius:3px;background:var(--line);margin-top:12px;overflow:hidden}
.meter i{display:block;height:100%;width:var(--w);background:var(--blue);border-radius:3px;transform-origin:left;animation:grow 1.6s var(--ease) .5s both}
@keyframes grow{from{transform:scaleX(0)}}
.rows{margin-top:10px}
.rows button{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:10px;width:100%;padding:9px 6px;border-top:1px solid var(--line);font-size:13.5px;cursor:pointer;border-radius:2px;transition:background .2s}
.rows button i{width:9px;height:9px;border-radius:2px;background:var(--c);flex:none}
.rows button span{margin-left:auto;color:var(--muted)}
.rows button:hover,.rows button.on{background:var(--panel)}
.rows button:focus-visible{outline:2px solid var(--blue)}
.rcard .note{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.loc{position:absolute;left:clamp(16px,2.4vw,28px);bottom:clamp(16px,2.4vw,28px);padding:9px 13px;border-radius:var(--r);background:rgba(15,18,26,.88);color:#fff;font-family:var(--mono);font-size:12px;line-height:1.5;z-index:2}
.loc span{display:block;color:#a9adb8;font-size:11px}
@media (max-width:1000px){
  .hero{grid-template-columns:1fr}.copy{padding-right:var(--pad)}
  .scene{border-left:0;border-top:1px solid var(--line);min-height:0;display:flex;flex-direction:column;gap:14px;padding:16px var(--pad) 20px}
  .rcard{position:relative;inset:auto;width:auto}.scene .stage3d{position:relative;height:400px}.scene .stack{left:50%;top:62%;--S:min(330px,56vw)}.loc{position:relative;inset:auto;align-self:flex-start}
  .trio div{padding-inline:16px}.trio b{font-size:26px}
}

/* plain page hero */
.phero{position:relative;isolation:isolate;border-bottom:1px solid var(--line);padding-block:clamp(48px,6vw,88px)}
.phero h1{max-width:14em}
.phero .lede{max-width:34em}
.phero.split .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,72px);align-items:center}
@media (max-width:900px){.phero.split .wrap{grid-template-columns:1fr}}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.tag{font-family:var(--mono);font-size:11px;padding:5px 9px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}

/* trusted */
.trust{padding-block:36px 40px;border-bottom:1px solid var(--line);background:var(--surface)}
.trust.top{border-top:1px solid var(--line)}
.logos{margin-top:22px;overflow:hidden;padding-block:4px;mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent)}
.mqt{display:flex;width:max-content;animation:logos 44s linear infinite}
.mqs{display:flex;align-items:center;flex:none;gap:clamp(44px,5vw,84px);padding-right:clamp(44px,5vw,84px)}
.logos:hover .mqt,.logos:focus-within .mqt{animation-play-state:paused}
@keyframes logos{to{transform:translateX(-50%)}}
.logos img{width:auto;max-width:none;opacity:.5;transition:opacity .3s,translate .3s var(--ease)}
.logos img:hover{opacity:.95;translate:0 -2px}
@media (prefers-reduced-motion:reduce){.logos{mask-image:none;-webkit-mask-image:none}.mqt{width:auto}.mqs{flex:1 1 auto;flex-wrap:wrap;justify-content:space-between;row-gap:22px;padding-right:0}.mqs+.mqs{display:none}}

/* sections */
section{padding-block:clamp(72px,9vw,128px)}
.alt{background:var(--panel);border-block:1px solid var(--line)}
.head{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px 48px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.head h2{font-size:clamp(36px,4.3vw,62px);margin-top:20px;max-width:13em}
.head p{color:var(--muted);font-size:17px;max-width:30em}
.head.one{grid-template-columns:1fr}.head.one p{margin-top:-4px}
@media (max-width:800px){.head{grid-template-columns:1fr}}

/* figure plates */
.figs{display:grid;grid-template-columns:repeat(3,1fr);margin-inline:-32px;row-gap:56px}
.fig{padding-inline:32px;border-left:1px solid var(--line);display:grid;gap:16px;align-content:start;min-width:0}
.fig:nth-child(3n+1){border-left:0}
.plate{position:relative;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden;transition:border-color .3s,box-shadow .4s}
.fig:hover .plate,a.card:hover .plate{border-color:var(--line-2);box-shadow:var(--shadow)}
.plate>svg{display:block;width:100%;height:auto}
.fig h3{font-size:20px;font-weight:600;letter-spacing:-.025em;color:var(--ink);margin-top:10px}
.fig p{color:var(--muted);font-size:14.5px}
.s{fill:none;stroke:var(--line-2);stroke-width:1.5}.sk{fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.f{fill:var(--panel);stroke:var(--line-2);stroke-width:1.5}.fw{fill:var(--surface);stroke:var(--line-2);stroke-width:1.5}
.b{fill:var(--line-2)}.bk{fill:#8f8a83}.bl{fill:var(--blue)}
.draw{stroke-dasharray:260;animation:draw 5s var(--ease) infinite}
@keyframes draw{0%{stroke-dashoffset:260}45%,85%{stroke-dashoffset:0}100%{stroke-dashoffset:0;opacity:0}}
.ring{stroke:var(--blue);stroke-width:3;fill:none;stroke-linecap:round;stroke-dasharray:60 88;transform-origin:236px 168px;animation:turn 3s linear infinite}
@keyframes turn{to{rotate:360deg}}
.ping{fill:none;stroke:var(--blue);stroke-width:1.5;transform-box:fill-box;transform-origin:center;animation:ping 2.4s ease-out infinite}
@keyframes ping{0%{scale:.4;opacity:1}100%{scale:2.6;opacity:0}}
.chk{fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:14;animation:chk 4s var(--ease) infinite;animation-delay:calc(var(--k)*.35s)}
@keyframes chk{0%,20%{stroke-dashoffset:14}35%,90%{stroke-dashoffset:0}100%{stroke-dashoffset:14}}
.svgt{font:500 9px var(--mono);fill:var(--muted);letter-spacing:.04em}
@media (max-width:860px){.figs{grid-template-columns:1fr;gap:40px;margin-inline:0}.fig{padding:0;border:0}}

/* mini layer stacks inside plates */
.mini{position:relative;aspect-ratio:320/230;--gap:15px;--rx:58deg;--rz:-42deg;background:radial-gradient(rgba(15,18,26,.09) 1px,transparent 1.3px) 0 0/18px 18px}
.mini .stack{left:50%;top:60%;--S:min(46%,170px)}
.mini .layer{border-radius:8px;transition:transform .8s var(--ease),border-color .4s}
.mini .layer:first-child{box-shadow:0 34px 34px -16px rgba(15,18,26,.34)}
.fig:hover .mini,a.card:hover .mini,.mini.open{--gap:34px}
.fig:hover .mini .layer:last-child,a.card:hover .mini .layer:last-child{border-color:var(--blue)}

/* image cards */
.cards2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.4vw,32px)}
.icard{display:grid;gap:16px;min-width:0}
.icard .plate{padding:clamp(12px,1.8vw,24px);background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--surface)}
.icard .plate .figv{transition:transform .9s var(--ease)}
.icard:hover .plate .figv{transform:scale(1.03)}
.icard p{color:var(--muted);font-size:15px;margin-top:-6px}
.tagc{position:absolute;right:14px;bottom:14px;display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--surface);border:1px solid var(--line);border-radius:4px;font-family:var(--mono);font-size:11px;z-index:2}
.tagc::before{content:"";width:7px;height:7px;background:var(--blue)}
@media (max-width:760px){.cards2{grid-template-columns:1fr}}

/* numbers */
.nums{display:grid;grid-template-columns:repeat(4,1fr)}
.nums div{padding:4px 28px 0;border-left:1px solid var(--line)}
.nums div:first-child{padding-left:0;border-left:0}
.nums b{display:block;margin-top:22px;font-size:clamp(40px,4.6vw,66px);font-weight:600;letter-spacing:-.045em;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.nums p{color:var(--muted);font-size:14.5px;margin-top:12px;max-width:16em}
@media (max-width:800px){.nums{grid-template-columns:1fr 1fr;row-gap:36px}.nums div:nth-child(3){padding-left:0;border-left:0}.nums div{padding-inline:18px}}

/* product: the view */
.view{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(24px,5vw,72px);align-items:center}
.view h2{font-size:clamp(36px,4.3vw,62px);margin-top:20px}
.view .q{margin-top:24px;padding-left:16px;border-left:2px solid var(--blue);color:var(--muted);font-size:17px;max-width:26em}
.figp{background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--surface)}
.view .plate{padding:clamp(8px,1.2vw,14px)}
@media (max-width:860px){.view{grid-template-columns:1fr}}

/* capabilities */
.caps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.cap{position:relative;padding:28px 28px 36px;border-bottom:1px solid var(--line);border-left:1px solid var(--line);display:grid;gap:12px;align-content:start;transition:background .35s}
.cap:nth-child(3n+1){border-left:0;padding-left:0}
.cap::after{content:"";position:absolute;left:-1px;right:0;top:-1px;height:1px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.cap:hover::after{transform:scaleX(1)}
.cap .mono{color:var(--blue)}
.cap .ic{color:var(--blue);width:22px;height:22px;margin-top:6px}
.cap h3{font-size:17px;font-weight:600;letter-spacing:-.02em;color:var(--ink);margin-top:6px}
.cap p{color:var(--muted);font-size:14.5px}
@media (max-width:860px){.caps{grid-template-columns:1fr}.cap{border-left:0;padding-left:0}}

/* workflow: steps on the right build the stack on the left */
.flow{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,80px);align-items:start}
.flow .side{position:sticky;top:96px}
.flow h2{font-size:clamp(36px,4.3vw,62px);margin-top:20px}
.flow .side>p{color:var(--muted);font-size:17px;margin-top:18px;max-width:24em}
.flowviz{position:relative;height:300px;margin-top:20px;--gap:30px;--rx:58deg;--rz:-42deg}
.flowviz .stack{left:36%;top:66%;--S:190px}
.flowviz .layer{border-radius:9px;opacity:0;--lift:70px;transition:transform .9s var(--ease),opacity .5s,border-color .4s}
.flowviz .layer.shown{opacity:1;--lift:0px}
.flowviz .layer.cur{border-color:var(--blue);box-shadow:0 0 0 1.5px var(--blue)}
.flowviz .layer:first-child{box-shadow:0 40px 40px -18px rgba(15,18,26,.34)}
.steps{border-top:1px solid var(--line-2);counter-reset:s}
.steps li{position:relative;display:grid;grid-template-columns:44px 1fr;gap:8px;padding:24px 0;border-bottom:1px solid var(--line-2);color:var(--muted);font-size:17px;transition:color .4s}
.steps li::before{counter-increment:s;content:counter(s,decimal-leading-zero);font:500 11px var(--mono);letter-spacing:.14em;color:var(--blue);padding-top:7px}
.steps li::after{content:"";position:absolute;left:0;bottom:-1px;height:1px;width:100%;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.steps li.cur{color:var(--ink)}.steps li.cur::after{transform:scaleX(1)}
@media (max-width:860px){.flow{grid-template-columns:1fr}.flow .side{position:static}.flowviz{height:260px}.flowviz .stack{left:50%}}

/* why: before / after */
.ba{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.bac{padding:28px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);display:grid;gap:12px;align-content:start;transition:border-color .3s,box-shadow .4s}
.bac:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.bac .ic{color:var(--muted);width:24px;height:24px;margin-bottom:8px}
.bac p{display:grid;grid-template-columns:62px 1fr;gap:10px;align-items:baseline;font-size:15px}
.bac p span{font-family:var(--mono);font-size:10.5px;padding:2px 6px;border:1px solid var(--line);border-radius:3px;justify-self:start}
.bac .was{color:var(--muted);position:relative}
.bac .now{color:var(--ink);font-weight:500}.bac .now span{border-color:var(--blue);color:var(--blue)}
.js .bac .now{opacity:0;translate:0 8px;transition:opacity .6s .5s,translate .7s var(--ease) .5s}
.js .in .bac .now,.js .bac.in .now{opacity:1;translate:0}
@media (max-width:760px){.ba{grid-template-columns:1fr}}
.apart{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.apart div{padding:26px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);display:grid;gap:10px;align-content:start}
.apart .ic{color:var(--muted);width:24px;height:24px;margin-bottom:10px}
.apart h3{font-size:17px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.apart p{color:var(--muted);font-size:14.5px}
@media (max-width:1000px){.apart{grid-template-columns:1fr 1fr}}@media (max-width:560px){.apart{grid-template-columns:1fr}}
.tblw{max-width:860px;margin-inline:auto;border:1px solid var(--line);border-radius:var(--r);overflow-x:auto;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
.tblw th,.tblw td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--line)}
.tblw th{font-size:13px;font-weight:600;background:var(--panel)}.tblw th:nth-child(n+2),.tblw td:nth-child(n+2){text-align:center;width:150px}
.tblw th:last-child{color:var(--blue)}
.tblw tr:last-child td{border-bottom:0}.tblw tbody tr:nth-child(even){background:#faf9f7}
.tblw td:first-child{font-weight:500}
td svg{width:17px;height:17px;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle}
td .no{stroke:var(--line-2)}td .yes{stroke:var(--ink)}td:last-child .yes{stroke:var(--blue);stroke-dasharray:24}
@media (max-width:640px){.tblw th,.tblw td{padding:12px 12px}.tblw th:nth-child(n+2),.tblw td:nth-child(n+2){width:76px}.tblw th{font-size:12px}}
.js td:last-child .yes{stroke-dashoffset:24;transition:stroke-dashoffset .5s var(--ease) calc(var(--k)*70ms + 200ms)}
.js .in td:last-child .yes{stroke-dashoffset:0}

/* about */
.acard{padding:clamp(24px,3vw,40px);border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.acard .big{font-size:clamp(26px,2.6vw,36px);font-weight:600;letter-spacing:-.03em;line-height:1.1;color:var(--ink);margin-top:20px;text-wrap:balance}
.acard .tags{padding-top:22px;border-top:1px solid var(--line)}
.two{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,5vw,80px);align-items:start}
.two h2{font-size:clamp(36px,4.3vw,62px);margin-top:20px}
.two .side>p{color:var(--muted);font-size:17px;margin-top:18px;max-width:24em}
.two .side{position:sticky;top:96px}
.two .body{font-size:19px;color:var(--muted);max-width:32em;align-self:center}
@media (max-width:860px){.two{grid-template-columns:1fr}.two .side{position:static}}
.tl{position:relative;border-top:1px solid var(--line-2)}
.tl li{display:grid;grid-template-columns:88px 1fr;gap:8px;padding:28px 0;border-bottom:1px solid var(--line-2)}
.tl .yr{font:500 13px var(--mono);color:var(--blue);padding-top:4px}
.tl h3{font-size:19px;font-weight:600;letter-spacing:-.02em;color:var(--ink)}
.tl p{color:var(--muted);margin-top:8px;font-size:15.5px;max-width:38em}

/* demo */
.demo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,80px);align-items:start;padding-block:clamp(48px,6vw,88px)}
.demo .walk{margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.demo .walk p{color:var(--muted);margin-top:12px;max-width:26em}
.demo .mini{max-width:340px;margin-top:8px;background:none}
form.card{padding:clamp(22px,3vw,36px);border:1px solid var(--line);border-radius:var(--r);background:var(--panel);display:grid;gap:18px}
form.card h2{font-size:22px;letter-spacing:-.02em;font-weight:600;margin-top:-6px}
.fld{display:grid;gap:6px;font-size:14px;font-weight:500}
.fld input,.fld textarea{font:400 15px var(--sans);color:var(--ink);padding:11px 12px;border:1px solid var(--line);border-radius:4px;background:var(--surface);width:100%;transition:border-color .2s,box-shadow .2s}
.fld textarea{min-height:120px;resize:vertical}
.fld input:focus,.fld textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.fld input::placeholder,.fld textarea::placeholder{color:#a8a39c}
form.card .btn{width:100%}
.formmsg{font-size:14px;color:var(--muted)}.formmsg a{color:var(--blue);text-decoration:underline}.formmsg.err{color:var(--hot)}
@media (max-width:860px){.demo{grid-template-columns:1fr}}

/* insights */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:36px}
.filters button{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;padding:7px 11px;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--muted);cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.filters button:hover{color:var(--ink);border-color:var(--line-2)}
.filters button.on{background:var(--blue);border-color:var(--blue);color:#fff}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post{display:grid;grid-template-rows:auto 1fr;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden;transition:border-color .3s,box-shadow .4s,translate .4s var(--ease),opacity .35s,scale .35s}
.post:hover{border-color:var(--line-2);box-shadow:var(--shadow);translate:0 -3px}
.post.gone{display:none}
.post .ph{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);background:var(--panel)}
.post .ph::after{content:"";position:absolute;inset:0;background:var(--blue);mix-blend-mode:screen;pointer-events:none;transition:opacity .5s}
.post:hover .ph::after{opacity:0}
.post .ph.fig{display:grid;place-items:center;background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--surface)}
.post .ph.fig::after{display:none}
.post .ph.fig .figv{width:100%;height:auto;transform:scale(1.22);transition:transform .9s var(--ease)}
.post .ph.fig .fchip{display:none}
.post:hover .ph.fig .figv{transform:scale(1.3)}
.post .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.12);transition:filter .5s,transform .9s var(--ease)}
.post:hover .ph img{filter:none;transform:scale(1.04)}
.post .tx{padding:20px 22px 24px;display:grid;gap:10px;align-content:start}
.post h2{font-size:18px;font-weight:600;letter-spacing:-.02em;line-height:1.25;text-wrap:pretty}
.post p{color:var(--muted);font-size:14.5px}
@media (max-width:980px){.posts{grid-template-columns:1fr 1fr}}@media (max-width:640px){.posts{grid-template-columns:1fr}}
.series{display:grid;gap:16px}
.serie{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden;transition:border-color .3s,box-shadow .4s,translate .4s var(--ease)}
.serie:hover{border-color:var(--line-2);box-shadow:var(--shadow);translate:0 -2px}
.serie .ph{display:grid;place-items:center;overflow:hidden;border-right:1px solid var(--line);min-height:190px;background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--panel)}
.serie .ph .figv{width:100%;height:auto;transition:transform .9s var(--ease)}
.serie .ph .fchip{display:none}
.serie:hover .ph .figv{transform:scale(1.05)}
.serie .tx{padding:clamp(20px,2.6vw,32px);display:grid;gap:8px;align-content:center}
.serie h2{font-size:clamp(19px,1.9vw,24px);font-weight:600;letter-spacing:-.025em;line-height:1.2}
.serie .subt{color:var(--blue);font-size:14.5px;font-weight:500}
.serie p{color:var(--muted);font-size:14.5px;max-width:52em}
@media (max-width:700px){.serie{grid-template-columns:1fr}.serie .ph{min-height:0;border-right:0;border-bottom:1px solid var(--line)}}

/* article */
.banner{position:relative;height:clamp(200px,26vw,340px);overflow:hidden;border-bottom:1px solid var(--line);background:var(--panel)}
.banner img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.12)}
.banner::before{content:"";position:absolute;inset:0;background:var(--blue);mix-blend-mode:screen;z-index:1}
.banner::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(180deg,rgba(251,250,249,.1),var(--bg) 96%)}
.banner.fig{height:clamp(240px,33vw,460px);background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--panel)}
.banner.fig::before,.banner.fig::after{display:none}
.banner.fig .figv{height:100%;margin-inline:auto;max-width:900px}
.art.low{margin-top:clamp(28px,4vw,48px)}
.art{max-width:760px;margin:clamp(-120px,-9vw,-60px) auto 0;position:relative;z-index:3;padding:0 var(--pad) clamp(64px,8vw,104px)}
.art .meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--muted)}
.art .meta a:hover{color:var(--blue)}
.art .cat{font-weight:600;font-size:12px;color:var(--ink);display:inline-flex;gap:6px;align-items:center}.art .cat .ic{width:14px;height:14px}
.art h1{font-size:clamp(32px,3.8vw,50px);letter-spacing:-.035em;line-height:1.08;margin-top:16px}
.art .subt{color:var(--blue);font-weight:500;font-size:18px;margin-top:14px}
.prose{margin-top:32px;display:grid;gap:20px;font-size:17px;line-height:1.7;color:#3b3f49}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--ink);font-weight:600}
.prose figure{margin-block:12px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.prose figure img{width:100%}
.prose h2{font-size:24px;letter-spacing:-.025em;margin-top:20px;line-height:1.2}
.prose h3{font-size:18px;font-weight:600;color:var(--ink);margin-top:8px}
.prose ul{display:grid;gap:8px;padding-left:20px;list-style:disc}
.cbox{margin-top:44px;padding:clamp(24px,4vw,40px);border-radius:var(--r);background:var(--ink);color:#fff;text-align:center;display:grid;gap:14px;justify-items:center;position:relative;overflow:hidden;isolation:isolate}
.cbox::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(420px circle at 80% 0%,rgba(52,96,255,.45),transparent 70%)}
.cbox .q{font-size:clamp(19px,2.1vw,24px);font-weight:600;letter-spacing:-.02em;line-height:1.3;max-width:24em;text-wrap:balance}
.cbox .s{color:#aab0bf}
.pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;font-size:14px;color:var(--muted)}
.pn a{display:flex;gap:10px;align-items:center;padding:14px 0;border-top:1px solid var(--line);transition:color .2s}.pn a:hover{color:var(--blue)}
.pn a:last-child:not(:first-child),.pn a.next{justify-content:flex-end;text-align:right}
.legal{max-width:800px}
.legal .prose{font-size:16px}
.legal .prose h2{font-size:20px;margin-top:24px}

/* closing band */
.final{position:relative;background:var(--ink);color:#fff;overflow:hidden;isolation:isolate;padding:0}
.final::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(520px circle at var(--lx,78%) var(--ly,40%),rgba(52,96,255,.5),transparent 70%)}
.final::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px) 0 0/56px 56px,linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px) 0 0/56px 56px}
.final .wrap{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;padding-block:clamp(64px,8vw,112px)}
.final h2{color:#fff;font-size:clamp(36px,4.4vw,62px);margin-top:20px;max-width:16em}
.final h2 em{color:#fff}
.final p{color:#aab0bf;font-size:17px;max-width:30em;margin-top:22px}
.final .mono{color:#8e94a3}
.final .btn{height:48px;padding-inline:24px}
@media (max-width:760px){.final .wrap{grid-template-columns:1fr}}

footer{padding-block:64px 28px;font-size:14px}
.fcols{display:grid;grid-template-columns:1.15fr 1fr .8fr 1.35fr 1.45fr .7fr;gap:36px 26px}
.fcols div{display:grid;gap:10px;align-content:start}
.fcols a{color:var(--muted);transition:color .2s}.fcols a:hover{color:var(--blue)}
.fcols .mono{margin-bottom:6px}
.fcols p{color:var(--muted);max-width:16em}
.mdtools{display:flex;flex-wrap:wrap;gap:6px 20px;margin-left:auto;align-items:center}
.mdtools a,.mdtools button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-decoration-color:var(--line-2);text-underline-offset:3px;transition:color .2s}
.mdtools a:hover,.mdtools button:hover{color:var(--blue)}
.fine{margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-family:var(--mono);font-size:11.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 28px}
@media (max-width:900px){.fcols{grid-template-columns:1fr 1fr}.fcols div:first-child{grid-column:1/-1}}

.js .rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(var(--s,0)*100ms)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}.draw,.chk{stroke-dashoffset:0}.js .bac .now{opacity:1;translate:0}.js td:last-child .yes{stroke-dashoffset:0}.flowviz .layer{opacity:1;--lift:0px}}

/* build-time illustrations (src/figures.mjs) */
.figv{display:block;width:100%;height:auto}
.ft{font:500 10px var(--mono);fill:var(--ink);letter-spacing:.02em}
.fm{fill:var(--muted);letter-spacing:.1em;font-size:9px}
.bob{animation:bob 6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-5px)}}
.blinkf{animation:blinkf 2.4s ease-in-out infinite}
@keyframes blinkf{50%{opacity:.35}}
.drawf{stroke-dasharray:100;animation:drawf 6s var(--ease) infinite}
@keyframes drawf{0%{stroke-dashoffset:100}40%,100%{stroke-dashoffset:0}}
.flowf{animation:flowf 1.2s linear infinite}
@keyframes flowf{to{stroke-dashoffset:-16}}
@media (max-width:640px){.fchip{display:none}}

/* reference pages: guides, glossary, FAQ, fact sheets */
.crumbs{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.crumbs a:hover{color:var(--blue)}.crumbs span{opacity:.5}
.meta{margin-top:22px}
.phero.ghero h1{font-size:clamp(36px,4.3vw,60px);max-width:16em}
.phero.ghero .lede{max-width:36em}
.guide{display:grid;grid-template-columns:220px minmax(0,760px);gap:clamp(28px,6vw,96px);align-items:start;justify-content:center}
.toc{position:sticky;top:96px;display:grid;gap:2px;font-size:14px}
.toc .mono{margin-bottom:10px}
.toc a{padding:6px 0 6px 14px;border-left:1px solid var(--line-2);color:var(--muted);transition:color .2s,border-color .2s}
.toc a:hover{color:var(--ink)}.toc a.on{color:var(--blue);border-left-color:var(--blue)}
.gbody{display:grid;gap:20px;font-size:17px;line-height:1.7;color:#3b3f49;min-width:0}
.gbody h2{font-size:clamp(26px,2.5vw,32px);letter-spacing:-.03em;line-height:1.12;margin-top:34px;scroll-margin-top:90px}
.gbody h3{font-size:18px;font-weight:600;letter-spacing:-.015em;color:var(--ink);line-height:1.3}
.gbody a{color:var(--blue);text-decoration:underline;text-decoration-color:rgba(16,59,198,.3);text-underline-offset:3px}.gbody a:hover{text-decoration-color:var(--blue)}
.gbody ul,.gbody ol{display:grid;gap:8px;padding-left:22px}.gbody ul{list-style:disc}.gbody ol{list-style:decimal}
.gbody li::marker{color:var(--blue);font-weight:500}
.tldr{padding:24px 26px;border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:var(--r);background:var(--surface);display:grid;gap:10px;scroll-margin-top:90px}
.tldr p{font-size:19px;line-height:1.55;color:var(--ink);letter-spacing:-.01em}
.kf{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface)}
.kf a{display:grid;gap:6px;align-content:start;padding:18px 20px;border-left:1px solid var(--line);text-decoration:none;margin-left:-1px;transition:background .25s}
.kf a:hover{background:var(--panel)}
.kf b{font-size:24px;font-weight:600;letter-spacing:-.03em;line-height:1.15;color:var(--ink)}
.kf span{font-size:13.5px;line-height:1.45;color:var(--muted)}
.gnote{padding:16px 20px;border-radius:var(--r);background:var(--blue-soft);color:#16307f;font-size:16px}
.gtw{border:1px solid var(--line);border-radius:var(--r);overflow-x:auto;background:var(--surface)}
.gt{font-size:15px;line-height:1.5;min-width:480px}
.gt th,.gt td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.gt thead th{font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:var(--panel);white-space:nowrap}
.gt tbody th{font-weight:600;color:var(--ink);width:1%;min-width:130px}
.gt tr:last-child th,.gt tr:last-child td{border-bottom:0}
.qa{display:grid;border-top:1px solid var(--line-2)}
.qa div{padding:20px 0;border-bottom:1px solid var(--line-2);display:grid;gap:8px}
.qa p{font-size:16.5px}
.relbox{display:grid;gap:0;margin-top:20px;padding:22px 24px;border:1px solid var(--line);border-radius:var(--r);background:var(--panel)}
.relbox .mono{margin-bottom:8px}
.relbox a{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid var(--line);color:var(--ink)!important;text-decoration:none!important;font-size:15.5px;font-weight:500;transition:color .2s}
.relbox a:first-of-type{border-top:0}.relbox a:hover{color:var(--blue)!important}
.relbox i{font-style:normal;color:var(--blue);transition:translate .3s var(--ease)}.relbox a:hover i{translate:4px 0}
.wrap>.relbox{max-width:760px}
.minis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.minis a{display:grid;gap:10px;padding:10px 10px 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);text-decoration:none!important;color:var(--ink)!important;font-size:14.5px;font-weight:500;line-height:1.3;transition:border-color .3s,box-shadow .4s}
.minis a:hover{border-color:var(--line-2);box-shadow:var(--shadow)}
.minis .fchip{display:none}
@media (max-width:900px){.guide{grid-template-columns:1fr}.toc{display:none}}
/* glossary */
.gtools{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;margin-bottom:36px}
.gfilter{flex:1 1 260px;max-width:360px;font:400 15px var(--sans);padding:11px 14px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--ink)}
.gfilter:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.letters{display:flex;flex-wrap:wrap;gap:4px}
.letters a{font:500 12px var(--mono);width:28px;height:28px;display:grid;place-items:center;border:1px solid var(--line);border-radius:4px;background:var(--surface);color:var(--muted);transition:all .2s}
.letters a:hover{border-color:var(--blue);color:var(--blue)}
.gloss{display:grid;gap:0;max-width:980px}
.lgroup{display:grid;grid-template-columns:72px 1fr;border-top:1px solid var(--line-2);padding-block:22px;scroll-margin-top:84px}
.lgroup>b{font-family:var(--serif);font-style:italic;font-weight:400;font-size:44px;line-height:1;color:var(--blue)}
.lgroup dl{margin:0;display:grid;gap:18px}
.term{scroll-margin-top:90px}
.term dt{font-size:18px;font-weight:600;letter-spacing:-.015em;color:var(--ink)}
.term dd{margin:4px 0 0;color:#3b3f49;font-size:16px;line-height:1.6;max-width:44em}
.term dd a{color:var(--blue);white-space:nowrap}
.gempty{color:var(--muted);padding-block:24px}
@media (max-width:560px){.lgroup{grid-template-columns:44px 1fr}.lgroup>b{font-size:32px}}
/* faq */
.faqg{display:grid;grid-template-columns:240px minmax(0,760px);gap:clamp(24px,5vw,80px);justify-content:center;padding-block:28px;border-top:1px solid var(--line-2)}
.faqg:first-of-type{border-top:0;padding-top:0}
.faqg h2{font-size:26px;letter-spacing:-.03em;position:sticky;top:96px;align-self:start}
.faqg .qa{border-top:0}.faqg .qa div:first-child{padding-top:0}
@media (max-width:800px){.faqg{grid-template-columns:1fr}.faqg h2{position:static}}
/* comparison bars */
.cmpbars{display:grid;gap:26px;padding:clamp(20px,3vw,32px);border-radius:var(--r);background:var(--ink);color:#eef0f5}
.cb{display:grid;gap:8px}
.cb .cbl{display:flex;justify-content:space-between;gap:16px;font-size:15px;font-weight:500}
.cb .cbl a{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#8e94a3!important;text-decoration:none!important}.cb .cbl a:hover{color:#fff!important}
.cbr{display:grid;grid-template-columns:104px 1fr 64px;gap:12px;align-items:center;font-size:13.5px;color:#aab0bf}
.cbt{height:12px;border-radius:2px;background:rgba(255,255,255,.1);overflow:hidden}
.cbt i{display:block;height:100%;width:var(--w);background:var(--blue-l)}
.cbr.them .cbt i{background:#6d7382}
.cbr b{font-size:17px;font-weight:600;color:#fff;text-align:right;font-variant-numeric:tabular-nums}.cbr.them b{color:#aab0bf}
.js .cbt i{width:0;transition:width 1.4s var(--ease) .2s}.js .in .cbt i{width:var(--w)}
.cmpbars small{color:#8e94a3;font-size:12.5px}
@media (prefers-reduced-motion:reduce){.js .cbt i{width:var(--w)}}
@media (max-width:1100px){.fcols{grid-template-columns:1fr 1fr 1fr}.fcols div:first-child{grid-column:1/-1}}
@media (max-width:640px){.fcols{grid-template-columns:1fr 1fr}}

/* home platform figures sit in the same plate shape as before; captions are too small here and are left to the article-size versions */
.fig .plate.figp{aspect-ratio:320/230;display:grid;place-items:center;overflow:hidden}
.fig .plate.figp .figv{transform:scale(1.3);transition:transform .9s var(--ease)}
.fig:hover .plate.figp .figv{transform:scale(1.36)}
.fig .plate.figp .fchip{display:none}
.wkf{transform-box:fill-box;transform-origin:left;animation:wkf 5s var(--ease) infinite both}
@keyframes wkf{0%{transform:scaleX(0)}16%,86%{transform:scaleX(1)}100%{transform:scaleX(1);opacity:0}}

/* why: before / after cards carry a pair of plates */
.bap{margin:-10px -10px 10px;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:radial-gradient(rgba(15,18,26,.1) 1px,transparent 1.3px) 0 0/18px 18px,var(--bg)}
.bac .ft{font-size:11px}

/* demo form: a field only bots fill in, and the state of a rejected field */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fld input.bad,.fld textarea.bad{border-color:var(--hot);box-shadow:0 0 0 3px rgba(217,72,15,.12)}