:root{--bg:#0e0c13;--cover:#14111c;--card:#16121e;--deep:#08070c;--ink:#eae9f1;--mut:#ada9bb;--pri:#835fe0;--pri2:#a88cf0;--hl:#5cf297;--pen:rgba(234,233,241,.55);--line:rgba(234,233,241,.16);--rule:rgba(131,95,224,.06);
--bf:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;--hf:"Caveat","Segoe Print","Bradley Hand",cursive;--mf:"DM Mono",ui-monospace,Menlo,Consolas,monospace;
--wob:255px 14px 225px 16px/16px 225px 14px 255px;--wob2:18px 225px 16px 255px/255px 16px 225px 14px;--sw:248px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--bf);overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--pri);text-underline-offset:3px}
a:hover{color:var(--pri2)}
:focus-visible{outline:3px solid var(--hl);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{font-family:var(--bf);font-weight:800;line-height:1.12;letter-spacing:-.02em;margin:0;overflow-wrap:break-word}
p{margin:0 0 1em}
.hand{font-family:var(--hf);font-weight:700;color:var(--pri);font-size:1.5rem;line-height:1.1;margin:0}
.skip{position:absolute;left:-9999px;top:8px;z-index:99;background:var(--hl);color:#00140a;padding:12px 18px;font-weight:800;border-radius:6px}
.skip:focus{left:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 60px;min-width:0}

/* highlighter */
.hl{background:linear-gradient(100deg,transparent 0 1%,rgba(92,242,151,.32) 3% 97%,transparent 99%);padding:.02em .14em;margin:0 -.06em;border-radius:.3em .1em .35em .12em;-webkit-box-decoration-break:clone;box-decoration-break:clone}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 22px;background:var(--pri);color:#0c0421;font:800 1rem/1.2 var(--bf);text-decoration:none;border:2px solid var(--pri);border-radius:var(--wob);cursor:pointer;text-align:center;transition:transform .15s,background .15s,box-shadow .15s;box-shadow:3px 4px 0 rgba(131,95,224,.25)}
.btn:hover{background:var(--pri2);border-color:var(--pri2);color:#0c0421;transform:translate(-1px,-2px) rotate(-.5deg);box-shadow:5px 7px 0 rgba(131,95,224,.25)}
.btn.big{min-height:56px;padding:12px 30px;font-size:1.08rem}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--pen);box-shadow:none;border-radius:var(--wob2)}
.btn.ghost:hover{background:rgba(234,233,241,.08);color:var(--ink);border-color:var(--ink);box-shadow:none}
.btn.sm{min-height:44px;padding:8px 16px;font-size:.92rem;box-shadow:none}
.btns{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 0}

/* sidebar = inside cover */
.side{position:fixed;inset:0 auto 0 0;width:var(--sw);z-index:30;background:var(--cover);display:flex;flex-direction:column;padding:26px 20px 22px 22px;overflow-y:auto;border-right:1px solid rgba(0,0,0,.6)}
.side::after{content:"";position:absolute;top:0;bottom:0;right:7px;border-right:2px dashed rgba(234,233,241,.3);pointer-events:none}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;min-width:0}
.logo:hover{color:var(--ink)}
.mark{width:36px;height:36px;flex:none}
.mark path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.mk1{stroke:var(--ink);stroke-width:1.7}.mk2{stroke:var(--pri);stroke-width:2}.mark .mk3{fill:var(--hl);stroke:none}
.bn{font:800 .86rem/1.15 var(--bf);letter-spacing:-.01em;overflow-wrap:anywhere;min-width:0}
.bn i{font-style:normal;color:var(--pri)}
.side>.logo{flex-direction:column;align-items:flex-start;gap:10px}.side>.logo .mark{width:44px;height:44px}.side>.logo .bn{font-size:.8rem}.bn i{white-space:nowrap}
.burger{display:none}
.nav{order:1;display:flex;flex-direction:column;gap:2px;margin:34px 0 26px;counter-reset:n}
.nav a{counter-increment:n;display:flex;align-items:center;gap:12px;min-height:46px;padding:4px 12px 4px 8px;color:var(--ink);text-decoration:none;font-weight:600;font-size:1.02rem;border-bottom:1px solid var(--rule);position:relative}
.nav a::before{content:counter(n) ".";font:700 1.45rem/1 var(--hf);color:var(--pri);width:22px;flex:none}
.nav a:hover{color:var(--pri2)}
.nav a:hover span{text-decoration:underline wavy rgba(131,95,224,.7);text-underline-offset:5px}
.nav a[aria-current]{color:var(--hl);border-bottom-color:transparent}
.nav a[aria-current]::after{content:"";position:absolute;inset:1px -4px 1px -6px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 46' preserveAspectRatio='none'%3E%3Cpath d='M14 8C60 1 150 2 188 9c12 4 10 26-4 31-40 7-130 6-170 0C2 36 0 14 20 7c30-6 90-5 120-3' fill='none' stroke='%235fe0c4' stroke-width='1.6' stroke-linecap='round' vector-effect='non-scaling-stroke'/%3E%3C/svg%3E") no-repeat center/100% 100%;pointer-events:none}
.side .cta{order:2;width:100%}
.f-side{order:3;margin:26px 0 0;padding:16px 0 0;border-top:2px dashed var(--line);display:grid;gap:9px}
.f-side div{display:flex;flex-direction:column-reverse}
.f-side dd{margin:0;font:700 1.42rem/1.05 var(--hf);color:var(--ink)}
.f-side dt{font-size:.74rem;line-height:1.3;color:var(--mut);letter-spacing:.01em}

/* page = ruled black paper */
main,.foot{margin-left:var(--sw)}
main{background:repeating-linear-gradient(to bottom,transparent 0 31px,var(--rule) 31px 32px);min-height:70vh;counter-reset:sec;display:block}
.sec{position:relative;padding:64px 0;counter-increment:sec}
.flag{position:absolute;left:-9px;top:66px;min-width:66px;height:32px;padding:0 12px 0 20px;display:flex;align-items:center;justify-content:flex-end;font:700 1.5rem/1 var(--hf);color:#0c0421;background:var(--pri);border-radius:2px 4px 4px 2px;transform:rotate(-2.5deg);box-shadow:2px 3px 0 rgba(0,0,0,.45);z-index:2}
.flag::before{content:counter(sec,decimal-leading-zero)}
.sec:nth-of-type(even) .flag{background:var(--hl);transform:rotate(1.8deg)}
.sec:nth-of-type(3n) .flag{background:var(--ink)}
.sec h2,.cut h2{font-size:clamp(1.7rem,2.6vw,2.3rem);margin:0 0 30px}
.sec>.wrap>h2::after,.prose h2::after{content:"";display:block;height:12px;width:min(210px,62%);margin-top:6px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 210 12' preserveAspectRatio='none'%3E%3Cpath d='M2 7c22-5 38 4 60 0s40-5 62-1 44 3 84-2' fill='none' stroke='%235fe0c4' stroke-width='2.4' stroke-linecap='round' vector-effect='non-scaling-stroke'/%3E%3Cpath d='M30 10c40-3 90-2 150-4' fill='none' stroke='%235fe0c4' stroke-opacity='.5' stroke-width='1.2' stroke-linecap='round' vector-effect='non-scaling-stroke'/%3E%3C/svg%3E") no-repeat left/100% 100%}
h3{font-size:1.14rem;line-height:1.25;letter-spacing:-.01em}

/* page head */
.top{padding:44px 0 34px}
.top h1,.hero h1{font-size:clamp(2.2rem,4.1vw,3.5rem);max-width:19ch}
.lead{font-size:1.16rem;line-height:1.6;color:var(--mut);max-width:62ch;margin:22px 0 0}
.crumbs ol{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-wrap:wrap;gap:2px 8px;font:700 1.3rem/1.2 var(--hf)}
.crumbs li{display:flex;align-items:center;gap:8px;color:var(--mut)}
.crumbs li+li::before{content:"/";color:var(--pri)}
.crumbs a{color:var(--pri);text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.crumbs a:hover{text-decoration:underline wavy}
.meta{margin:18px 0 0;color:var(--hl)}

/* hero */
.hero{padding:54px 0 40px}
.hero-g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:52px;align-items:start}
.hero-t,.hero-c{min-width:0}
.eyebrow{margin:0 0 14px;font-size:1.65rem;transform:rotate(-1.2deg);transform-origin:left}
.ticks{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:flex-start;line-height:1.5}
.ticks li span{min-width:0}
.tick{width:24px;height:24px;flex:none;margin-top:1px}
.tick path,.arr path{fill:none;stroke:var(--pri);stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round}
.try{margin:0 0 8px 6px;transform:rotate(-1deg);transform-origin:left;color:var(--hl)}
.pipe{display:flex;align-items:flex-start;gap:6px;margin-top:10px;padding-left:4px}
.arr{width:50px;height:46px;flex:none}
@media (min-width:1121px){.pipe .arr{margin-left:-50px}}
.board{flex:1;min-width:0;height:auto;display:block;margin-top:14px}
.board path{fill:none;stroke-linecap:round;stroke-linejoin:round}
.board .p1{stroke:var(--ink);stroke-width:1.7}
.board .p2{stroke:var(--pen);stroke-width:1}
.board .mint{stroke:var(--pri);stroke-width:1.9}
.board .hlp{stroke:var(--hl);stroke-width:13;stroke-opacity:.34;stroke-linecap:butt}

/* code */
.codebox{background:var(--deep);border:1.5px solid var(--pen);border-radius:14px 18px 12px 20px/18px 12px 20px 14px;position:relative;min-width:0;box-shadow:7px 8px 0 rgba(131,95,224,.13)}
.codetabs{display:flex;gap:2px;padding:8px 10px 0;border-bottom:1.5px dashed var(--line);overflow-x:auto}
.codetabs button{min-height:44px;padding:0 16px;background:none;border:0;border-bottom:3px solid transparent;color:var(--mut);font:500 .9rem var(--mf);cursor:pointer;white-space:nowrap}
.codetabs button:hover{color:var(--ink)}
.codetabs button[aria-selected=true]{color:var(--pri);border-bottom-color:var(--pri)}
pre.code{position:relative;margin:0;padding:18px 20px;overflow-x:auto;max-width:100%;font:400 .86rem/1.7 var(--mf);color:#dbd9e6;background:var(--deep);tab-size:2;-webkit-overflow-scrolling:touch}
.codebox pre.code{background:none;border-radius:0 0 12px 20px;padding-top:52px}
.prose pre.code{border:1.5px solid var(--line);border-left:4px solid var(--pri);border-radius:4px 14px 12px 4px;margin:1.5em 0;padding-top:52px}
pre.code code{font:inherit;background:none;padding:0;border:0;color:inherit;white-space:pre}
pre.code .k{color:var(--pri)}pre.code .s{color:var(--hl)}pre.code .c{color:#938fa3;font-style:italic}
.copy{position:absolute;top:6px;right:8px;min-height:44px;min-width:64px;padding:0 12px;background:var(--deep);color:var(--pri);border:0;font:700 1.25rem/1 var(--hf);cursor:pointer;border-radius:8px;text-decoration:underline wavy rgba(131,95,224,.5);text-underline-offset:4px}
.copy:hover{color:var(--hl)}

/* facts */
.strip{padding:10px 0 20px}
.facts{margin:0}
.facts dd{margin:0}
.f-row,.f-tags{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:2px solid var(--pen);border-bottom:2px solid var(--pen);border-radius:2px;background:rgba(14,12,19,.86)}
.f-row div,.f-tags div{display:flex;flex-direction:column-reverse;justify-content:flex-end;padding:18px 16px 16px;min-width:0;border-left:1.5px dashed var(--line)}
.f-row div:first-child,.f-tags div:first-child{border-left:0}
.f-row dd,.f-tags dd{font:700 2.05rem/1 var(--hf);color:var(--pri);overflow-wrap:anywhere}
.f-row dt,.f-tags dt{font-size:.82rem;line-height:1.35;color:var(--mut);margin-top:8px}
.f-tags{grid-template-columns:repeat(6,minmax(0,1fr));border:0;background:none;gap:18px}
.f-tags div{grid-column:span 2;border:1.5px solid var(--pen);border-radius:var(--wob2);background:var(--card);padding:22px 22px 20px}
.f-tags div:first-child{border:1.5px solid var(--pen)}
.f-tags div:nth-child(-n+2){grid-column:span 3;border-color:var(--pri);border-radius:var(--wob);padding:28px 26px 24px}
.f-tags div:nth-child(-n+2) dd{font-size:3.3rem;color:var(--ink)}
.f-tags div:nth-child(-n+2) dd::after{content:"";display:block;height:14px;width:120px;max-width:70%;margin-top:2px;background:rgba(92,242,151,.34);border-radius:8px 3px 9px 4px;transform:rotate(-1deg)}
.f-tags div:nth-child(-n+2) dt{font-size:.95rem}

/* cards */
.grid{display:grid;gap:26px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{position:relative;padding:24px 22px 20px;background:var(--card);border:1.5px solid var(--pen);border-radius:var(--wob);min-width:0}
.card::after{content:"";position:absolute;inset:-5px -3px -4px -5px;border:1px solid rgba(234,233,241,.22);border-radius:var(--wob2);pointer-events:none;transform:rotate(-.5deg)}
.card:nth-child(even){border-radius:var(--wob2)}
.card:nth-child(even)::after{border-radius:var(--wob);transform:rotate(.6deg)}
.card h3{margin:0 0 10px}
.card p{margin:0;color:var(--mut);font-size:.98rem}
.s-feat .grid{counter-reset:f}
.s-feat .card{counter-increment:f;padding-top:20px}
.s-feat .card::before{content:counter(f);display:block;font:700 2rem/1 var(--hf);color:var(--pri);margin-bottom:6px}
.s-feat .card:nth-child(3n+2)::before{color:var(--hl)}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:54px;counter-reset:st}
.steps li{counter-increment:st;position:relative;min-width:0;padding-top:72px}
.steps li::before{content:counter(st);position:absolute;top:0;left:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center;font:700 2.2rem/1 var(--hf);color:var(--hl);border:2px solid var(--hl);border-radius:52% 48% 55% 45%/48% 55% 45% 52%;transform:rotate(-4deg)}
.steps li+li::after{content:"";position:absolute;top:14px;left:-50px;width:44px;height:26px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 44 26'%3E%3Cpath d='M2 15c10-7 24-8 37-3M30 4l10 8-11 7' fill='none' stroke='%235fe0c4' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat center/contain}
.steps h3{margin:0 0 8px;font-size:1.2rem}
.steps p{margin:0;color:var(--mut)}

/* use cases */
.uses{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px;border-top:2px solid var(--pen)}
.uses>div{padding:26px 0 24px;border-bottom:1.5px dashed var(--line);min-width:0}
.uses h3{margin:0 0 10px;font-size:1.22rem;line-height:1.45}
.uses p{margin:0;color:var(--mut)}

/* prose */
.prose{max-width:740px;min-width:0;overflow-wrap:break-word}
.prose>:first-child{margin-top:0}
.prose h2{font-size:clamp(1.5rem,2.2vw,1.95rem);margin:2.1em 0 .8em;scroll-margin-top:24px}
.prose h3{font-size:1.22rem;margin:1.7em 0 .5em}
.prose h4{font-size:1.05rem;margin:1.4em 0 .4em}
.prose p,.prose li{color:#d6d5e0}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}
.prose li{margin:.4em 0;padding-left:.2em}
.prose li::marker{color:var(--pri);font-weight:800}
.prose strong{color:var(--ink);font-weight:800}
.prose :not(pre)>code{font:500 .88em var(--mf);background:rgba(131,95,224,.11);color:var(--pri2);padding:.14em .4em;border-radius:5px;overflow-wrap:anywhere}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:1.6em 0;font-size:.95rem;border:1.5px solid var(--pen);border-radius:4px 12px 6px 14px}
.prose th,.prose td{padding:11px 16px;text-align:left;border-bottom:1px dashed var(--line);vertical-align:top;min-width:120px}
.prose th{font:700 1.3rem/1.1 var(--hf);color:var(--pri);border-bottom:2px solid var(--pen);white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
.prose blockquote{margin:1.5em 0;padding:4px 0 4px 20px;border-left:4px solid var(--hl);color:var(--mut)}

/* reading layout (docs / article) */
.read{display:grid;grid-template-columns:minmax(0,1fr) 262px;gap:60px;align-items:start}
.read .prose{grid-column:1;grid-row:1}
.rail{grid-column:2;grid-row:1;position:sticky;top:24px;min-width:0;display:grid;gap:22px;max-height:calc(100vh - 48px);overflow-y:auto;padding:6px 6px 8px}
.toc{border:1.5px solid var(--pen);border-radius:var(--wob2);padding:18px 18px 12px;background:var(--card)}
.toc ol{list-style:none;margin:8px 0 0;padding:0;counter-reset:t}
.toc li{counter-increment:t;border-top:1px dashed var(--line)}
.toc a{display:flex;gap:10px;align-items:baseline;min-height:44px;padding:9px 0;color:var(--ink);text-decoration:none;font-size:.92rem;line-height:1.35}
.toc a::before{content:counter(t);font:700 1.25rem/1 var(--hf);color:var(--pri);width:16px;flex:none}
.toc a:hover{color:var(--pri2);text-decoration:underline wavy rgba(131,95,224,.6);text-underline-offset:4px}
.note-card{border:2px dashed var(--hl);border-radius:10px;padding:18px;background:rgba(92,242,151,.06);transform:rotate(.6deg)}
.note-card .nc-h{font:700 1.6rem/1.1 var(--hf);color:var(--hl);margin:0 0 8px}
.note-card p{font-size:.93rem;color:#d6d5e0;margin:0 0 14px}
.note-card .btn{width:100%}
.takes{border:1.5px solid var(--hl);border-radius:var(--wob);padding:22px 24px 24px;margin:0 0 36px;background:rgba(92,242,151,.06)}
.takes .hand{color:var(--hl);font-size:1.7rem}
.takes .ticks{margin-top:14px}
.takes .tick path{stroke:var(--hl)}
.prose .takes li{margin:0;padding:0}.prose .takes ul{padding-left:0;margin:14px 0 0}

/* faq */
.faq{max-width:820px;border-top:2px solid var(--pen)}
.faq details{border-bottom:1.5px dashed var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;gap:16px;align-items:center;justify-content:space-between;min-height:60px;padding:14px 4px;font-weight:800;font-size:1.08rem;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:36px;height:36px;display:flex;align-items:center;justify-content:center;font:700 2rem/1 var(--hf);color:var(--pri);border:1.5px solid var(--pri);border-radius:52% 48% 55% 45%/48% 55% 45% 52%;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--hl);border-color:var(--hl)}
.faq summary:hover span{color:var(--pri2)}
.faq details p{margin:0;padding:0 56px 22px 4px;color:#d6d5e0}

/* closing cta */
.s-cta{padding:30px 0 84px;counter-increment:none}
.cut{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;padding:40px 44px;border:2.5px dashed var(--pri);border-radius:16px;background:rgba(22,18,30,.92)}
.cut h2{margin:0 0 10px}
.cut p{margin:0;color:var(--mut);max-width:56ch}
.cut-b{display:flex;align-items:center;gap:8px;flex-direction:row-reverse}
.cut-b .arr{transform:scaleX(-1) rotate(-70deg)}

/* key page */
.keytop{padding-top:38px}
.key-g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);gap:8px 60px;align-items:start}
.key-t{grid-column:1;grid-row:1;min-width:0}
.key-b{grid-column:1;grid-row:2;min-width:0}
.key-f{grid-column:2;grid-row:1/span 2;position:relative;min-width:0}
.tape{position:absolute;top:-14px;left:50%;width:120px;height:30px;margin-left:-60px;background:rgba(92,242,151,.42);transform:rotate(-3deg);z-index:2;border-left:2px dotted rgba(14,12,19,.5);border-right:2px dotted rgba(14,12,19,.5)}
.bens{list-style:none;margin:30px 0 0;padding:0;display:grid;gap:20px}
.bens li{display:flex;gap:14px;align-items:flex-start}
.bens div{min-width:0}
.bens h3{margin:0 0 4px}
.bens p{margin:0;color:var(--mut);font-size:.98rem}
.form{background:var(--card);border:2px solid var(--pri);border-radius:14px 22px 16px 24px/22px 14px 24px 16px;padding:30px 28px 26px;box-shadow:9px 10px 0 rgba(131,95,224,.16)}
.tabs2{display:flex;gap:4px;margin:0 0 20px;border-bottom:2px solid var(--line)}
.tabs2 button{flex:1;min-height:48px;padding:0 10px;background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-2px;color:var(--mut);font:700 1.5rem/1 var(--hf);cursor:pointer}
.tabs2 button:hover{color:var(--ink)}
.tabs2 button[aria-selected=true]{color:var(--pri);border-bottom-color:var(--pri)}
.msg{display:none;padding:12px 14px;margin:0 0 16px;border-radius:8px;font-size:.95rem;line-height:1.45}
.msg.err{display:block;background:rgba(188,255,120,.12);border:1.5px solid #cdff9a;color:#e8ffd0}
.msg.ok{display:block;background:rgba(131,95,224,.12);border:1.5px solid var(--pri);color:var(--ink)}
.row{margin:0 0 16px}
label{display:block;font-weight:600;font-size:.93rem;margin:0 0 6px;color:var(--ink)}
input,select,textarea{width:100%;min-height:48px;padding:10px 14px;background:var(--deep);color:var(--ink);border:1.5px solid var(--pen);border-radius:8px 12px 9px 13px;font:400 1rem var(--bf)}
textarea{min-height:150px;resize:vertical;line-height:1.5}
select{appearance:auto}
input:focus,select:focus,textarea:focus{outline:3px solid var(--pri);outline-offset:1px;border-color:var(--pri)}
.note{font-size:.86rem;line-height:1.45;color:var(--mut);margin:8px 0 0}
.form form .btn{width:100%;margin-top:6px;min-height:54px}
.form .btn.ghost[data-gauth]{min-height:52px;font-weight:600}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font:700 1.9rem/1 var(--hf);color:var(--hl);margin:0 0 12px}
.keybox{display:flex;gap:10px;align-items:center;background:var(--deep);border:1.5px dashed var(--pri);border-radius:10px;padding:10px 10px 10px 14px;font:500 .9rem/1.4 var(--mf);color:var(--pri2);word-break:break-all;margin:0 0 12px}
.keybox span{flex:1;min-width:0}
.keybox button{flex:none}
.keyout p{font-size:.95rem;margin:12px 0}
.keyout code{font:500 .86rem var(--mf);color:var(--pri2);overflow-wrap:anywhere}
.mut{color:var(--mut)}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 0}

/* calculator */
.calc-w{display:flex;align-items:center;gap:10px}
.calc-w .arr{display:none}
.calc{flex:1;min-width:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:end;padding:30px 28px;background:var(--card);border:1.5px solid var(--pen);border-radius:var(--wob);box-shadow:7px 8px 0 rgba(131,95,224,.13)}
.calc>div{min-width:0}
.calc input{font:500 1.05rem var(--mf)}
.calc output{display:block;font:700 3rem/1 var(--hf);color:var(--ink);min-height:48px;padding:2px 8px;background:linear-gradient(100deg,transparent 0 1%,rgba(92,242,151,.32) 3% 97%,transparent 99%);border-radius:10px 4px 12px 5px;overflow-wrap:anywhere}

/* support */
.sup-g{display:grid;grid-template-columns:minmax(0,620px) minmax(0,280px);gap:60px;align-items:start}
.sup-f{background:var(--card);border:1.5px solid var(--pen);border-radius:14px 22px 16px 24px/22px 14px 24px 16px;padding:14px 28px 26px;min-width:0}
.sup-f form .btn{min-width:180px}
.s-sup{padding-top:20px}.s-sup .flag{display:none}

/* 404 */
.nf-g{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:50px;align-items:center;min-height:60vh}
.nf-n{font-size:5rem;color:var(--hl);transform:rotate(-3deg);transform-origin:left}

/* footer */
.foot{border-top:2px dashed var(--line);padding:40px 0 44px;background:var(--bg)}
.foot .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:20px 48px;align-items:start}
.foot-a .hand{margin-top:12px;font-size:1.4rem}
.foot-l{display:flex;flex-wrap:wrap;gap:0 22px}
.foot-l a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.foot-l a:hover{color:var(--pri2);text-decoration:underline wavy}
.legal{grid-column:1/-1;margin:0;font-size:.86rem;color:var(--mut);border-top:1px solid var(--line);padding-top:16px}

/* medium: main narrower */
@media (max-width:1240px){
.wrap{padding:0 44px 0 64px}
.hero-g{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px}
.read{grid-template-columns:minmax(0,1fr) 232px;gap:40px}
.key-g{grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:8px 40px}
.sup-g{grid-template-columns:minmax(0,1fr) 250px;gap:36px}
.steps{gap:44px}
.g3{gap:22px}
}
@media (max-width:1120px){
.hero-g{grid-template-columns:minmax(0,1fr)}
.g3{grid-template-columns:repeat(2,minmax(0,1fr))}
.read{grid-template-columns:minmax(0,1fr)}
.read .prose,.rail{grid-column:1;grid-row:auto}
.rail{position:static;max-height:none;overflow:visible;padding:0}
.rail .note-card{display:none}
}

/* mobile: top bar + sheet */
@media (max-width:920px){
:root{--sw:0px}
body{font-size:16.5px}
.side{position:sticky;top:0;inset:auto;width:auto;flex-direction:row;align-items:center;gap:10px;padding:8px 14px;overflow:visible;border-right:0;border-bottom:2px dashed rgba(234,233,241,.3)}
.side::after{display:none}
.side>.logo{flex:1;flex-direction:row;align-items:center}
.side>.logo .mark{width:32px;height:32px}
.side>.logo .bn{font-size:.74rem}
.side .cta{order:0;width:auto;min-height:44px;padding:6px 10px;font-size:.84rem;box-shadow:none;flex:none}
.burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:46px;height:46px;flex:none;padding:0 10px;background:none;border:1.5px solid var(--pen);border-radius:var(--wob2);cursor:pointer}
.burger i{display:block;height:2px;background:var(--ink);border-radius:2px}
.burger i:nth-child(2){width:70%;background:var(--pri)}
.nav{display:none;position:absolute;top:100%;left:0;right:0;margin:0;padding:8px 18px 16px;background:var(--cover);border-bottom:2px solid var(--pri);box-shadow:0 18px 30px rgba(0,0,0,.6)}
.nav.open{display:flex}
.nav a{min-height:50px}
.f-side{display:none}
.wrap{padding:0 20px}
.sec{padding:46px 0}
.flag{position:relative;left:-8px;top:0;display:inline-flex;margin:0 0 14px;height:28px;min-width:58px;font-size:1.35rem}
.hero{padding:30px 0 26px}
.top{padding:26px 0 22px}
.f-row{grid-template-columns:repeat(6,minmax(0,1fr))}
.f-row div{grid-column:span 2;padding:14px 10px 12px}
.f-row div:nth-child(-n+2){grid-column:span 3;border-bottom:1.5px dashed var(--line)}
.f-row div:nth-child(3){border-left:0}
.f-row dd{font-size:1.7rem}
.f-row dt{font-size:.76rem}
.f-tags{gap:12px}
.f-tags div{padding:16px 12px 14px}
.f-tags div:nth-child(-n+2){padding:20px 16px 18px}
.f-tags div:nth-child(-n+2) dd{font-size:2.5rem}
.f-tags dd{font-size:1.6rem}
.f-tags dt{font-size:.76rem}
.steps{grid-template-columns:minmax(0,1fr);gap:30px}
.steps li{padding:4px 0 0 76px;min-height:60px}
.steps li+li::after{display:none}
.uses{grid-template-columns:minmax(0,1fr)}
.cut{grid-template-columns:minmax(0,1fr);padding:28px 22px;gap:22px}
.cut-b{flex-direction:row;justify-content:flex-start}
.cut-b .arr{display:none}
.cut-b .btn{width:100%}
.key-g{grid-template-columns:minmax(0,1fr)}
.key-t,.key-b,.key-f{grid-column:1;grid-row:auto}
.key-f{margin-top:26px}
.keytop .lead{font-size:1.05rem;margin-top:14px}
.form{padding:26px 18px 22px;box-shadow:5px 6px 0 rgba(131,95,224,.16)}
.calc-w .arr{display:none}
.calc{grid-template-columns:minmax(0,1fr);padding:22px 18px;gap:18px}
.sup-g{grid-template-columns:minmax(0,1fr);gap:28px}
.sup-f{padding:10px 18px 22px}
.nf-g{grid-template-columns:minmax(0,1fr)}
.foot .wrap{grid-template-columns:minmax(0,1fr)}
.faq details p{padding-right:8px}
.btns .btn{flex:1 1 200px}
.pipe .arr{width:36px;height:34px}
}
@media (max-width:620px){
.g3{grid-template-columns:minmax(0,1fr)}
.top h1,.hero h1{font-size:clamp(1.95rem,8.6vw,2.5rem)}
.lead{font-size:1.06rem}
pre.code{font-size:.8rem;padding-left:14px;padding-right:14px}
.tabs2 button{font-size:1.32rem}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important;animation:none!important}
.btn:hover{transform:none}
}