:root{
  --bg:#f6f3ec;--bg2:#efebe1;--ink:#1f2a33;--mut:#4d5a65;--line:#d9d3c5;
  --blue:#2f6690;--blue-d:#234f71;--sky:#dce8f0;--sky2:#c9dbe7;
  --sand:#ecdfc8;--sage:#d9e2d2;--clay:#eed8cb;--lens:#b5cbd6;
  --plate:#1c2a35;--r:20px;--rail:364px;--gap:64px;
  --sans:"Kumbh Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"M PLUS 1 Code",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
img,svg{max-width:100%}
a{color:var(--blue-d);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}
h1,h2,h3{font-weight:300;line-height:1.12;letter-spacing:-.02em;margin:0;overflow-wrap:break-word}
p{margin:0 0 1em}
code{font-family:var(--mono);font-size:.88em}
.skip{position:absolute;left:16px;top:-80px;z-index:100;background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px}
.skip:focus{top:12px;color:#fff}

/* the overlap */
.venn{width:32px;height:32px;flex:none}
.va{fill:var(--sky2)}.vb{fill:var(--sand)}.vl{fill:var(--blue)}
.logo .va,.sec-h .va{fill:#a9c6da}.logo .vb,.sec-h .vb{fill:#e2cfa9}
.venn-bg{position:absolute;z-index:-1;right:-70px;top:-46px;width:min(74%,520px);height:auto;pointer-events:none}
.venn-bg .va{fill:var(--sky)}.venn-bg .vb{fill:var(--sand)}.venn-bg .vl{fill:var(--lens);opacity:.75}
.venn-bg .vh{stroke:var(--ink);stroke-width:1;opacity:.35}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 26px;border:1.5px solid var(--blue);border-radius:14px;background:var(--blue);color:#fff;font:500 16px/1.2 var(--sans);letter-spacing:.01em;text-decoration:none;cursor:pointer;transition:background .18s,transform .18s}
.btn:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}
.btn:active{transform:translateY(1px)}
.btn.sm{min-height:44px;padding:9px 18px;font-size:15px;border-radius:12px}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--bg)}
.btn.wide{width:100%}

/* header: the two columns start here */
.top{position:sticky;top:0;z-index:50;background:rgba(246,243,236,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{max-width:1264px;margin:0 auto;padding:0 32px;min-height:72px;display:grid;grid-template-columns:auto minmax(0,1fr) var(--rail);align-items:center;gap:0 40px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);text-decoration:none;font-weight:500;font-size:17px;letter-spacing:-.01em;line-height:1.1}
.nav{display:flex;gap:6px;justify-content:flex-end;padding-right:24px}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 14px;color:var(--ink);text-decoration:none;font-size:16px;position:relative}
.nav a::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .2s}
.nav a:hover::after,.nav a[aria-current]::after{transform:scaleX(1)}
.nav a[aria-current]{font-weight:500}
.top-r{display:flex;gap:10px;align-items:center}
.top-r .key{flex:1}
.burger{display:none;width:44px;height:44px;flex:none;border:1.5px solid var(--ink);border-radius:12px;background:transparent;cursor:pointer;position:relative}
.burger i{position:absolute;left:11px;right:11px;height:1.5px;background:var(--ink);top:17px}
.burger i+i{top:25px}

/* page grid */
.shell{max-width:1264px;margin:0 auto;padding:64px 32px 96px;display:grid;grid-template-columns:minmax(0,1fr) var(--rail);grid-template-areas:"head rail" "body rail";gap:0 var(--gap);align-items:start}
.head{grid-area:head;position:relative;z-index:0;min-width:0;padding-bottom:24px}
.body{grid-area:body;min-width:0}
.rail{grid-area:rail;min-width:0;position:sticky;top:96px;max-height:calc(100vh - 112px);overflow-y:auto;display:grid;gap:18px;scrollbar-width:thin}
h1{font-size:clamp(2.15rem,4.5vw,3.9rem);max-width:17ch;margin-bottom:24px}
.p-docs h1,.p-article h1,.p-pricing h1,.p-key h1{font-size:clamp(2.05rem,3.9vw,3.3rem);max-width:19ch}
.lead{font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.55;font-weight:300;max-width:56ch;margin-bottom:28px}
.eyebrow{font:500 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--blue-d);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:2px;background:var(--blue);box-shadow:0 6px 0 #c9a973;transform:translateY(-3px)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font:400 13px/1.4 var(--mono);letter-spacing:.04em;margin-bottom:26px;color:var(--mut)}
.crumbs a{color:var(--mut);display:inline-flex;align-items:center;min-height:44px}
.crumbs span{width:18px;height:1px;background:var(--mut)}
.crumbs b{font-weight:500;color:var(--ink);overflow-wrap:anywhere}
.bul{list-style:none;margin:0 0 30px;padding:0;display:grid;gap:10px;max-width:58ch}
.bul li,.prose ul li,.take li{position:relative;padding-left:34px}
.bul li::before,.prose ul li::before,.take li::before{content:"";position:absolute;left:0;top:.52em;width:12px;height:12px;border-radius:50%;background:#8fb3cc}
.bul li::after,.prose ul li::after,.take li::after{content:"";position:absolute;left:7px;top:.52em;width:12px;height:12px;border-radius:50%;background:#d8bd8e;mix-blend-mode:multiply}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 44px}
.try-h{font:500 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:12px}
.date{font:400 13px/1.4 var(--mono);color:var(--mut);margin-bottom:28px}
.sub{font-weight:300;font-size:1.05rem;margin:22px 0 0;max-width:56ch}

/* code */
.codebox{background:var(--plate);border-radius:var(--r);overflow:hidden;min-width:0}
.codetabs{display:flex;gap:4px;padding:10px 12px 0;overflow-x:auto}
.codetabs button{min-height:44px;padding:0 16px;border:0;border-radius:12px 12px 0 0;background:transparent;color:#b9c7d2;font:500 14px/1 var(--mono);cursor:pointer}
.codetabs button[aria-selected="true"]{background:#263846;color:#fff;box-shadow:inset 0 2px 0 #8fb9d8}
pre.code{position:relative;margin:0;padding:22px 24px;background:var(--plate);color:#e6edf2;font:400 14px/1.7 var(--mono);overflow-x:auto;max-width:100%;border-radius:var(--r);tab-size:2}
.codebox pre.code{border-radius:0;background:#263846;padding-top:26px}
pre.code code{font-size:inherit;display:block;padding-right:76px;width:max-content;min-width:100%}
pre.code .k{color:#9fcbec}pre.code .s{color:#ecd4a6}pre.code .c{color:#93a6b4}
.copy{position:absolute;top:8px;right:8px;z-index:1;min-height:44px;min-width:64px;padding:0 14px;border:1px solid #5b7184;border-radius:12px;background:#1c2a35;color:#e6edf2;font:500 13px/1 var(--mono);cursor:pointer}
.copy:hover{background:#34495a}

/* rail */
.panel{background:var(--sky);border-radius:var(--r);padding:28px 26px}
.panel-h{font-size:1.5rem;font-weight:300;line-height:1.15;letter-spacing:-.015em;margin-bottom:10px}
.panel-p{color:#33414c;margin-bottom:20px;font-size:16px;line-height:1.5}
.facts{margin:22px 0 0;display:grid}
.ab{display:grid;grid-template-columns:1fr 1fr;align-items:center;border-top:1px solid #b9cddb;min-width:0}
.ab dd{margin:0;padding:12px 12px 12px 0;font:500 15px/1.3 var(--mono);overflow-wrap:anywhere;min-width:0}
.ab dt{padding:12px 0 12px 14px;border-left:1px solid #b9cddb;font-size:14px;line-height:1.35;color:#33414c;min-width:0;overflow-wrap:anywhere}
.facts-out{margin:0;padding:6px 26px;background:var(--bg2);border-radius:var(--r)}
.facts-out .ab,.facts-out .ab dt{border-color:var(--line)}
.facts-out .ab:first-child,.panel .facts .ab:last-child{border-bottom:0}
.facts-out .ab:first-child{border-top:0}
.ep{margin:18px 0 0;display:grid;gap:6px}
.ep code{display:block;background:rgba(255,255,255,.62);border-radius:10px;padding:9px 12px;font-size:13px;overflow-wrap:anywhere}
.board{margin:8px 0 0;grid-template-columns:1fr 1fr;gap:0 40px;max-width:760px}
.board .ab{border-color:var(--line);grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.board .ab dd{font:300 clamp(1.25rem,2.1vw,1.7rem)/1.15 var(--sans);letter-spacing:-.015em;padding:18px 14px 18px 0}
.board .ab dt{border-color:var(--line);color:var(--mut)}
.toc{background:var(--bg2);border-radius:var(--r);padding:24px 24px 18px}
.toc-h{font:500 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin-bottom:8px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t;border-top:1px solid var(--line)}
.toc li:first-child{border-top:0}
.toc a{display:grid;grid-template-columns:30px 1fr;align-items:center;min-height:44px;padding:8px 0;color:var(--ink);text-decoration:none;font-size:15px;line-height:1.35}
.toc a::before{content:counter(t,decimal-leading-zero);font:400 12px/1 var(--mono);color:var(--blue-d)}
.toc a:hover{color:var(--blue-d);text-decoration:underline}

/* signup */
.panel-form{padding:26px}
.form{min-width:0}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:0;background:rgba(255,255,255,.6);border-radius:14px;padding:4px;margin-bottom:20px}
.tabs2 button{min-height:44px;border:0;border-radius:11px;background:transparent;color:var(--ink);font:500 15px/1.2 var(--sans);cursor:pointer;padding:6px 8px}
.tabs2 button[aria-selected="true"]{background:var(--ink);color:#fff}
.msg{font-size:15px;line-height:1.45;border-radius:12px;padding:12px 14px;margin-bottom:16px;background:var(--sage);color:#1f3323}
.msg:empty{display:none}
.msg.err{background:#f6d9d0;color:#7a2413}
.row{margin-bottom:16px}
.row label,.calc label{display:block;font-size:14px;font-weight:500;margin-bottom:6px}
input{width:100%;min-height:50px;padding:10px 14px;border:1.5px solid #9fb6c6;border-radius:12px;background:#fff;color:var(--ink);font:400 16px/1.3 var(--sans)}
input:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.note{font-size:14px;line-height:1.45;color:#33414c;margin:8px 0 0}
.form .btn[data-submit]{width:100%;margin-top:6px;min-height:54px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font-size:1.5rem;margin-bottom:14px}
.keybox{display:flex;align-items:center;gap:10px;background:#fff;border:1.5px solid #9fb6c6;border-radius:12px;padding:8px 8px 8px 14px}
.keybox span{flex:1;min-width:0;font:500 14px/1.4 var(--mono);overflow-wrap:anywhere}
.keyout p{font-size:15px;line-height:1.7;margin:14px 0 0}
.keyout code{overflow-wrap:anywhere}
.mut{color:var(--mut)}
.acts{}
.keyout .acts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}

/* sections */
.body{counter-reset:s}
.sec,.prose,.band{margin-top:88px}
.body>:first-child{margin-top:40px}
.sec{counter-increment:s}
.sec-h{display:flex;align-items:center;gap:14px;margin-bottom:32px;flex-wrap:wrap}
.sec-h::after{content:counter(s,decimal-leading-zero);order:-1;font:400 13px/1 var(--mono);color:var(--mut);margin-right:-4px}
.sec-h h2{font-size:clamp(1.65rem,2.8vw,2.3rem);flex:1 1 60%;min-width:0}
.it{min-width:0}
.it h3,.it h2{font-size:1.28rem;font-weight:400;letter-spacing:-.01em;line-height:1.25;margin-bottom:10px}
.it p{margin:0;color:#33414c;font-size:16px;line-height:1.6}
.tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.tiles .it{border-radius:var(--r);padding:28px 26px 30px;background:var(--bg2)}
.tiles .it:nth-child(4n+1){background:var(--sky)}
.tiles .it:nth-child(4n+2){background:var(--sand)}
.tiles .it:nth-child(4n+3){background:var(--sage)}
.tiles .it:nth-child(4n+4){background:var(--clay)}
.tiles .it:nth-child(8n+5){background:var(--clay)}
.tiles .it:nth-child(8n+6){background:var(--sky)}
.tiles .it p{color:#2c3842}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;counter-reset:n}
.steps .it{counter-increment:n;border-top:1px solid var(--ink);padding-top:18px}
.steps .it::before{content:counter(n);display:block;font:300 4rem/1 var(--sans);letter-spacing:-.04em;color:var(--blue);margin-bottom:16px}
.cross{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.cross .it{padding:28px 32px 30px 0;border-top:1px solid var(--line)}
.cross .it:nth-child(even){padding:28px 0 30px 32px;border-left:1px solid var(--line)}
.cross .it:nth-child(-n+2){border-top-color:var(--ink)}
.rows .it{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);border-top:1px solid var(--line)}
.rows .it:first-child{border-top-color:var(--ink)}
.rows .it h3{margin:0;padding:24px 24px 24px 0}
.rows .it p{padding:24px 0 24px 24px;border-left:1px solid var(--line)}

/* calculator */
.calc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch}
.calc>div{background:var(--bg2);border-radius:var(--r);padding:24px;min-width:0;display:flex;flex-direction:column;justify-content:space-between;gap:10px}
.calc>div:last-child{background:var(--blue);color:#fff}
.calc label{margin:0}
.calc output{display:block;font:300 clamp(2rem,3.4vw,2.7rem)/1.1 var(--sans);letter-spacing:-.02em;overflow-wrap:anywhere}

/* prose */
.prose{max-width:70ch}
.prose h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin:64px 0 20px;padding-top:26px;position:relative}
.prose h2:first-child{margin-top:0}
.prose h2::before{content:"";position:absolute;left:0;top:0;width:44px;height:2px;background:var(--blue);box-shadow:0 7px 0 #c9a973;clip-path:inset(0 0 -9px 0)}
.prose h2::after{content:"";position:absolute;left:28px;top:7px;width:16px;height:2px;background:var(--bg)}
.prose h3{font-size:1.3rem;font-weight:400;margin:36px 0 12px}
.prose p,.prose li{color:#27333d}
.prose ul,.prose ol{margin:0 0 1.2em;padding:0;display:grid;gap:8px}
.prose ul{list-style:none}
.prose ol{padding-left:1.4em}
.prose pre.code{margin:24px 0}
.prose :not(pre)>code{background:var(--bg2);border-radius:6px;padding:2px 6px;overflow-wrap:anywhere}
.prose table{display:block;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px;line-height:1.45}
.prose th,.prose td{text-align:left;padding:12px 18px 12px 0;border-top:1px solid var(--line);vertical-align:top;min-width:110px}
.prose th{border-top:1px solid var(--ink);font-weight:500;font-size:14px}
.prose td+td,.prose th+th{border-left:1px solid var(--line);padding-left:18px}
.prose blockquote{margin:24px 0;padding:20px 24px;background:var(--sand);border-radius:var(--r)}
.take{background:var(--sage);border-radius:var(--r);padding:26px 28px;max-width:70ch}
.take-h{font:500 13px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;color:#2b3f30}
.take ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.take li::after{background:#c3a66f}

/* faq */
.faq{border-top:1px solid var(--ink);max-width:76ch}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:16px 0;cursor:pointer;list-style:none;font-size:1.14rem;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;width:32px;height:20px;position:relative}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;top:0;width:20px;height:20px;border-radius:50%;background:#8fb3cc;transition:transform .25s}
.faq summary i::before{left:0}
.faq summary i::after{right:0;background:#d8bd8e;mix-blend-mode:multiply}
.faq details[open] summary i::before{transform:translateX(6px)}
.faq details[open] summary i::after{transform:translateX(-6px)}
.faq details p{margin:0;padding:0 52px 22px 0;color:#27333d}

/* closing band */
.band{position:relative;z-index:0;overflow:hidden;background:var(--bg2);border-radius:var(--r);padding:44px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.band .venn-bg{right:-60px;top:50%;transform:translateY(-50%);width:360px}
.band-t{min-width:0;flex:1 1 320px}
.band h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:10px}
.band p{margin:0;max-width:46ch;color:#27333d}

.nf{list-style:none;padding:0;margin:8px 0 0;display:grid;max-width:420px;border-top:1px solid var(--ink)}
.nf a{display:flex;align-items:center;min-height:52px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:1.1rem}
.nf a:hover{color:var(--blue-d);padding-left:6px}
.p-404 .shell,.shell.p-404{min-height:60vh}

/* footer */
.foot{border-top:1px solid var(--line);background:var(--bg2)}
.foot-in{max-width:1264px;margin:0 auto;padding:56px 32px 48px;display:grid;grid-template-columns:minmax(0,1fr) var(--rail);gap:32px var(--gap);align-items:start}
.foot-a p{margin:10px 0 18px;font-weight:300;font-size:1.1rem}
.foot-a ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:0 26px}
.foot-a ul a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:15px}
.legal{margin:18px 0 0;font-size:14px;line-height:1.5;color:var(--mut)}

@media (max-width:1180px){:root{--rail:328px;--gap:44px}.nav{padding-right:0}.nav a{padding:0 10px}.nav a::after{left:10px;right:10px}}
@media (max-width:980px){
  .top-in{grid-template-columns:minmax(0,1fr) auto;padding:0 16px;min-height:64px;gap:0 12px}
  .top-r .key{flex:none}
  .burger{display:block}
  .nav{display:none;grid-column:1/-1;order:3;flex-direction:column;gap:0;padding:4px 0 14px;border-top:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{min-height:50px;padding:0;border-bottom:1px solid var(--line);font-size:17px}
  .nav a::after{display:none}
  .nav a[aria-current]{color:var(--blue-d)}
  .shell{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "rail" "body";padding:36px 16px 72px}
  .rail{position:static;max-height:none;overflow:visible;margin-top:8px}
  .p-key .head{padding-bottom:4px}
  .foot-in{grid-template-columns:minmax(0,1fr);padding:44px 16px 40px}
  .foot-b{max-width:420px}
  .venn-bg{width:min(86%,420px);right:-90px;top:-30px}
  .sec,.prose,.band{margin-top:68px}
}
@media (max-width:680px){
  body{font-size:16.5px}
  .logo{font-size:15px;gap:8px}
  .logo span{max-width:8.5em}
  .top-r .key{padding:9px 13px;font-size:14px}
  .tiles,.steps,.cross,.calc,.board{grid-template-columns:minmax(0,1fr)}
  .steps{gap:26px}
  .steps .it::before{font-size:3.2rem;margin-bottom:10px}
  .cross .it,.cross .it:nth-child(even){padding:22px 0;border-left:0}
  .cross .it:nth-child(2){border-top-color:var(--line)}
  .rows .it{grid-template-columns:minmax(0,1fr)}
  .rows .it h3{padding:20px 0 8px}
  .rows .it p{padding:0 0 20px;border-left:0}
  .acts .btn{flex:1 1 100%}
  pre.code{padding:20px 16px;font-size:13px}
  .codebox pre.code{padding-top:58px}
  .band{padding:32px 24px}
  .band .btn{width:100%}
  .faq details p{padding-right:0}
  .panel,.panel-form{padding:22px 18px}
  .facts-out{padding:4px 18px}
  .sec-h{margin-bottom:24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}html{scroll-behavior:auto}}