:root{--g:#701b74;--gd:#57145a;--lit:#dc5ae4;--ink:#180d19;--neg:#180d19;--negt:#eadfef;--negm:#b8a2bf;--pos:#f9f6fc;--post:#1f1320;--posm:#503f55;--table:#e7dfee;--line:#b395bb;--amber:#6b8cf2;
--disp:"Saira Extra Condensed","Arial Narrow",Impact,sans-serif;--body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;--mono:"Azeret Mono",ui-monospace,Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:400 16.5px/1.6 var(--body);color:var(--post);background:var(--table);
background-image:radial-gradient(ellipse 900px 620px at 50% 180px,#fbf8fe 0,rgba(251,248,254,0) 70%),linear-gradient(rgba(24,13,25,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(24,13,25,.045) 1px,transparent 1px);
background-size:auto,56px 56px,56px 56px;background-repeat:no-repeat,repeat,repeat;background-position:0 0,-1px -1px,-1px -1px;counter-reset:s;overflow-x:hidden}
img,svg{max-width:100%}
a{color:inherit}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-family:var(--disp);font-weight:700;line-height:1;letter-spacing:.01em}
:focus-visible{outline:3px solid var(--lit);outline-offset:2px;box-shadow:0 0 0 6px var(--ink)}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#ffffff;padding:12px 16px;z-index:99}
.skip:focus{left:8px;top:8px}

/* header: a fiche title strip */
.top{position:sticky;top:0;z-index:40;padding:10px 16px 0}
.bar{position:relative;max-width:760px;margin:0 auto;display:flex;align-items:stretch;min-height:54px;background:var(--g);color:#ffffff;
clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%)}
.logo{display:flex;align-items:center;gap:9px;padding:0 14px 0 10px;text-decoration:none;font:700 25px/1 var(--disp);text-transform:uppercase;letter-spacing:.05em;color:#ffffff;white-space:nowrap}
.mark{flex:none;display:block}
.nav{display:flex;align-items:stretch;margin-left:auto}
.nav a{display:flex;align-items:center;padding:0 11px;font:600 18px/1 var(--disp);letter-spacing:.07em;text-transform:uppercase;text-decoration:none;color:#ffffff;border-left:1px solid rgba(255,255,255,.22)}
.nav a:hover{background:var(--gd)}
.nav a[aria-current]{background:var(--ink);color:var(--lit)}
.hcta{align-self:stretch;margin:0;padding:0 26px 0 16px;clip-path:none}
.burger{display:none;width:54px;min-height:54px;background:var(--ink);border:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0 6px 0 0}
.burger i{display:block;width:20px;height:2px;background:var(--lit)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;background:var(--lit);color:var(--ink);border:0;font:700 21px/1 var(--disp);letter-spacing:.07em;text-transform:uppercase;text-decoration:none;cursor:pointer;
clip-path:polygon(0 0,calc(100% - 11px) 0,100% 11px,100% 100%,0 100%);transition:background .15s}
.btn:hover{background:#ea84f2}
.btn.dark,.pos .btn{background:var(--ink);color:var(--lit)}
.btn.dark:hover,.pos .btn:hover{background:#2f1932}
.btn.ghost{background:transparent;color:inherit;box-shadow:inset 0 0 0 1.5px currentColor;clip-path:none}
.btn.ghost:hover{background:rgba(220,90,228,.16)}
.pos .btn.ghost{background:#ffffff;color:var(--post)}
.pos .btn.ghost:hover{background:#ede4f3}
.btn.sm{min-height:44px;padding:0 14px;font-size:18px}

/* column + sheets */
.col{max-width:792px;margin:0 auto;padding:26px 16px 0;position:relative}
.sheet{counter-increment:s;counter-reset:f;margin:0 0 30px;filter:drop-shadow(0 10px 16px rgba(65,18,70,.2))}
.film{background:rgba(128,52,140,.2);border:1px solid rgba(112,27,116,.5);border-top:0;clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,0 100%)}
.strip{display:flex;align-items:center;gap:14px;min-height:42px;padding:7px 34px 7px 14px;background:var(--g);color:#ffffff}
.strip h2,.eyebrow{margin:0;font:600 23px/1.05 var(--disp);letter-spacing:.08em;text-transform:uppercase}
.ix{margin-left:auto;font:500 11px/1 var(--mono);letter-spacing:.1em;color:#ead0ef;white-space:nowrap}
.ix::before{content:counter(s,upper-alpha) " \00B7  " counter(s,decimal-leading-zero)}
.frames{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:6px;padding:8px}
.fr{position:relative;min-width:0;padding:20px 20px 28px;counter-increment:f}
.fr::after{content:counter(s,upper-alpha) counter(f,decimal-leading-zero);position:absolute;right:8px;bottom:6px;font:500 10px/1 var(--mono);letter-spacing:.08em;color:#83688a;pointer-events:none}
.neg{background:var(--neg);color:var(--negt)}
.pos{background:var(--pos);color:var(--post)}
.pos::after{color:#6c5772}
.lit{background:var(--lit);color:var(--ink)}
.lit::after{color:#4f1754}
.w3{grid-column:span 3}.w4{grid-column:span 4}.w5{grid-column:span 5}.w6{grid-column:span 6}.w7{grid-column:span 7}.w8{grid-column:span 8}.w12{grid-column:span 12}
.fr p:last-child{margin-bottom:0}

/* hero */
.hero{padding:28px 26px 34px}
h1{font-size:clamp(42px,7.4vw,66px);line-height:.92;text-transform:uppercase;color:#ffffff;overflow-wrap:break-word}
.hero h1::after{content:"";display:block;width:74px;height:6px;margin-top:18px;background:var(--lit)}
.lead{margin:18px 0 0;font-size:18px;line-height:1.55;color:var(--negt);max-width:60ch}
.acts2{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 0}
.lens{padding:0;overflow:hidden;min-height:150px}
.loupe{position:absolute;inset:0;width:100%;height:100%;display:block}
.lens::after{color:var(--lit)}
.bul{padding:16px 16px 26px;font-size:15px;line-height:1.5;border-top:3px solid var(--lit)}
.sub{margin:14px 0 0;font:500 12.5px/1.5 var(--mono);color:var(--lit)}
.when{margin:18px 0 0;font:500 12px/1.4 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--negm)}

/* cards */
.tile h3{font-size:27px;font-weight:600;margin-bottom:10px;color:#ffffff}
.tile.pos h3{color:var(--post)}
.tile p{font-size:15.5px;color:var(--negm)}
.tile.pos p{color:var(--posm)}
.feat .tile:nth-child(1),.feat .tile:nth-child(6){border-left:6px solid var(--lit)}
.steps .frames{counter-reset:st}
.step{counter-increment:f st;padding-top:16px}
.step::before{content:counter(st,decimal-leading-zero);display:block;font:700 64px/.9 var(--disp);color:var(--lit);margin-bottom:12px}
.uses .tile{border-top:6px solid var(--g)}
.fact{display:flex;flex-direction:column;gap:6px;padding:16px 16px 26px}
.fact b{font:700 44px/.95 var(--disp);color:var(--lit);letter-spacing:.01em;overflow-wrap:anywhere}
.fact.w4 b{font-size:34px}
.fact span{font:400 11.5px/1.45 var(--mono);letter-spacing:.04em;text-transform:uppercase;color:var(--negm)}
.takes .frames{counter-reset:st}
.take{counter-increment:f st;padding-left:62px;font-size:15.5px}
.take::before{content:counter(st);position:absolute;left:18px;top:14px;font:700 46px/1 var(--disp);color:var(--lit)}

/* code */
.codefr{padding:0}
.codefr::after{display:none}
.codebox{min-width:0}
.codetabs{display:flex;background:#271623;border-bottom:1px solid #422647}
.codetabs button{min-height:44px;padding:0 18px;background:transparent;border:0;border-right:1px solid #422647;color:var(--negm);font:600 19px/1 var(--disp);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.codetabs button[aria-selected="true"]{background:var(--lit);color:var(--ink)}
pre.code{position:relative;margin:0;padding:50px 18px 20px;background:#0e070e;color:#e4d3ea;font:400 13px/1.7 var(--mono);overflow-x:auto;max-width:100%;white-space:pre;-webkit-overflow-scrolling:touch}
pre.code code{font:inherit;background:none;padding:0;color:inherit}
.code .k{color:var(--lit)}.code .s{color:var(--amber)}.code .c{color:#9e83a5}
.copy{position:absolute;right:8px;top:8px;min-height:34px;padding:0 12px;background:#2f1932;color:var(--lit);border:1px solid #582f60;font:500 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.copy:hover{background:var(--lit);color:var(--ink)}

/* prose (positive frame) */
.prose{padding:30px 34px 40px;font-size:17px;line-height:1.7}
.prose>*{max-width:68ch}
.prose h2{font-size:38px;line-height:1;text-transform:uppercase;margin:44px 0 16px;padding-top:14px;border-top:6px solid var(--g);max-width:none}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:27px;font-weight:600;margin:28px 0 10px}
.prose h4{font:700 17px/1.3 var(--body);margin:22px 0 8px}
.prose a{color:var(--gd);font-weight:600;text-underline-offset:3px}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:22px}
.prose li{margin-bottom:.45em}
.prose ul li::marker{color:var(--g)}
.prose ol li::marker{font:500 13px var(--mono);color:var(--gd)}
.prose code{font:500 .86em var(--mono);background:#e7dcee;padding:2px 5px;overflow-wrap:anywhere}
.prose pre.code{margin:18px 0 22px;max-width:none}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:18px 0 24px;font-size:15px;-webkit-overflow-scrolling:touch}
.prose th,.prose td{padding:10px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{background:var(--ink);color:var(--negt);font:600 19px/1.1 var(--disp);letter-spacing:.07em;text-transform:uppercase;border-color:var(--ink)}
.prose tbody tr:nth-child(even) td{background:#f0e9f5}
.prose blockquote{margin:18px 0;padding:6px 0 6px 18px;border-left:6px solid var(--lit)}

/* FAQ */
.q{padding:0}
.q summary{position:relative;display:flex;align-items:center;min-height:56px;padding:12px 56px 12px 20px;font:600 17px/1.35 var(--body);color:#ffffff;cursor:pointer;list-style:none}
.q summary::-webkit-details-marker{display:none}
.q summary::before,.q summary::after{content:"";position:absolute;right:22px;top:50%;width:16px;height:2px;margin-top:-1px;background:var(--lit);transition:transform .2s}
.q summary::after{transform:rotate(90deg)}
.q details[open] summary::after{transform:rotate(0)}
.q details p{margin:0;padding:0 56px 30px 20px;color:var(--negm);font-size:15.5px}

/* CTA */
.call{display:flex;align-items:center;justify-content:space-between;gap:20px 28px;flex-wrap:wrap;padding:26px 26px 32px}
.call p{margin:0;flex:1 1 300px;font-size:18px;font-weight:500;line-height:1.5}

/* signup */
.signup{padding:22px 22px 30px}
.form{min-width:0}
.tabs2{display:grid;grid-template-columns:1fr 1fr;margin:0 0 16px;border:1.5px solid var(--post)}
.tabs2 button{min-height:44px;padding:0 8px;background:#ffffff;border:0;color:var(--post);font:600 19px/1 var(--disp);letter-spacing:.07em;text-transform:uppercase;cursor:pointer}
.tabs2 button[aria-selected="true"]{background:var(--ink);color:var(--lit)}
.msg{font-size:14.5px}
.msg:empty{display:none}
.msg.err{margin:0 0 14px;padding:10px 12px;background:#e5f9fd;color:#08818f;border-left:6px solid #14b2c6;font-weight:600}
.row{margin:0 0 14px}
.row label,.calc label{display:block;margin:0 0 6px;font:500 11.5px/1.3 var(--mono);letter-spacing:.07em;text-transform:uppercase;color:var(--posm)}
input,select,textarea{width:100%;min-height:46px;padding:10px 12px;background:#ffffff;color:var(--post);border:1.5px solid var(--post);border-radius:0;font:400 16px/1.4 var(--body)}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid var(--lit);outline-offset:0;box-shadow:0 0 0 5px var(--ink)}
.note{margin:6px 0 0;font-size:13px;line-height:1.45;color:var(--posm)}
.form .btn[data-submit],form[data-support] .btn{width:100%;margin-top:4px;min-height:50px;padding:8px 16px;line-height:1.1;text-align:center}
form[data-support] .row{margin-bottom:16px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font-size:30px;text-transform:uppercase;margin:0 0 12px}
.keybox{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 14px;background:var(--ink);color:var(--lit);font:500 13.5px/1.5 var(--mono)}
.keybox span{flex:1;min-width:0;overflow-wrap:anywhere}
.keybox .btn{background:var(--lit);color:var(--ink);flex:none}
.keyout p{margin:12px 0 0;font-size:15px}
.keyout code{font:500 13px var(--mono);background:#e7dcee;padding:2px 5px;overflow-wrap:anywhere}
.mut{color:var(--posm)}
.acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* calculator */
.calcfr{padding:24px 24px 32px}
.calc{display:grid;grid-template-columns:1fr 1fr 1.15fr;gap:14px;align-items:end}
.calc>div{min-width:0}
.calc>div:last-child{align-self:stretch;display:flex;flex-direction:column;justify-content:space-between;padding:12px 14px;background:var(--ink)}
.calc>div:last-child label{color:var(--negm)}
#cr{display:block;font:700 50px/1 var(--disp);color:var(--lit);overflow-wrap:anywhere}

/* crumbs */
.crumbs ol{display:flex;flex-wrap:wrap;gap:0 8px;margin:0;padding:0;list-style:none;font:500 12px/1.6 var(--mono);letter-spacing:.07em;text-transform:uppercase}
.crumbs li+li::before{content:"/";margin-right:8px;color:#deb3e4}
.crumbs a{display:inline-block;padding:6px 0;color:#ffffff;text-underline-offset:3px}
.crumbs [aria-current]{color:#ead0ef;padding:6px 0;display:inline-block}

/* TOC index frame */
.toc{margin:0 0 30px;filter:drop-shadow(0 10px 16px rgba(65,18,70,.2))}
.toc .film{background:var(--pos)}
.toc ol{margin:0;padding:10px 16px 16px;list-style:none;counter-reset:t}
.toc li{counter-increment:t;border-bottom:1px solid #dbcee2}
.toc li:last-child{border:0}
.toc a{display:flex;gap:12px;align-items:baseline;min-height:44px;padding:10px 0;font-size:14.5px;line-height:1.35;font-weight:500;text-decoration:none;color:var(--post)}
.toc a::before{content:counter(t,decimal-leading-zero);flex:none;font:500 11px var(--mono);color:var(--gd)}
.toc a:hover{color:var(--gd);text-decoration:underline}

/* footer */
.foot{max-width:792px;margin:20px auto 0;padding:0 16px 40px;filter:drop-shadow(0 10px 16px rgba(65,18,70,.2))}
.foot .film{background:var(--neg);color:var(--negt);border-color:var(--ink)}
.foot .ix::before{content:"Z \00B7  99"}
.foot .logo{padding-left:0}
.fbody{display:grid;grid-template-columns:1fr auto;gap:14px 24px;align-items:center;padding:22px 22px 26px}
.ftag{margin:0;font:600 26px/1.05 var(--disp);letter-spacing:.04em;text-transform:uppercase;color:#ffffff}
.fbody ul{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:0 22px;margin:0;padding:0;list-style:none;border-top:1px solid #422647;padding-top:8px}
.fbody li a{display:inline-flex;align-items:center;min-height:44px;font:500 12px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--negt);text-underline-offset:3px}
.fbody li a:hover{color:var(--lit)}
.legal{grid-column:1/-1;margin:0;font-size:13px;color:var(--negm)}

.nf .hero{padding-bottom:60px}

@media (min-width:1300px){
.hastoc .toc{position:absolute;right:100%;top:26px;bottom:0;width:240px;margin:0 2px 0 0}
.hastoc .toc .film{position:sticky;top:84px;max-height:calc(100vh - 110px);overflow:auto}
}
@media (max-width:820px){
.bar{flex-wrap:wrap}
.logo{margin-right:auto}
.burger{display:flex;order:3}
.hcta{order:2;padding:0 16px;font-size:19px}
.nav{order:4;display:none;flex-basis:100%;flex-direction:column;margin:0;background:var(--ink)}
.nav.open{display:flex}
.nav a{min-height:48px;padding:0 16px;border-left:0;border-top:1px solid #422647;font-size:21px}
.nav a[aria-current]{box-shadow:inset 6px 0 0 var(--lit)}
.bar{clip-path:none}
}
@media (max-width:700px){
.col{padding-top:18px}
.w3,.w4,.w5,.w6,.w7,.w8{grid-column:span 12}
.fact.w4,.fact.w6{grid-column:span 6}
.fact.f0{grid-column:span 12}
.fact b{font-size:36px}.fact.w4 b{font-size:30px}
.lens{display:none}
.hero{padding:22px 18px 30px}
.fr{padding:18px 16px 26px}
.codefr,.q{padding:0}
.take{padding-left:58px}
.prose{padding:22px 16px 32px;font-size:16.5px}
.prose h2{font-size:32px}
.signup{padding:18px 14px 28px}
.calcfr{padding:16px 14px 28px}
.calc{grid-template-columns:1fr}
.fbody{grid-template-columns:1fr}
.strip h2,.eyebrow{font-size:21px}
.logo{font-size:23px;padding-right:8px}
.keysheet .hero h1{font-size:40px}
.keysheet .hero{padding-bottom:24px}
.keysheet .lead{font-size:16px;margin-top:12px}
}
@media (max-width:380px){.logo span{font-size:20px}.hcta{padding:0 11px;font-size:17px}.burger{width:48px}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}