:root{--paper:#f3f1ea;--paper2:#e9e6db;--white:#fbfaf5;--ink:#17222d;--ink2:#465462;--indigo:#1f4670;--deep:#1a3d63;--wash:#d7e1ea;--line:rgba(23,34,45,.17);--line2:rgba(23,34,45,.42);--seal:#b5391f;--code:#111a24;--serif:"Shippori Mincho","Hiragino Mincho ProN","Yu Mincho",Georgia,serif;--sans:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",system-ui,sans-serif;--mono:"DM Mono",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(--paper);color:var(--ink);font:400 1.02rem/1.75 var(--sans);counter-reset:b;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--indigo);text-underline-offset:.22em;text-decoration-thickness:1px}
a:hover{color:var(--ink)}
img,svg{max-width:100%}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px}
.deep :focus-visible,.ft :focus-visible,.codebox :focus-visible,pre.code:focus-visible,pre.code :focus-visible{outline-color:#f3f1ea}
.skip{position:absolute;left:16px;top:-80px;z-index:50;background:var(--ink);color:var(--paper);padding:12px 18px;text-decoration:none}
.skip:focus{top:12px;color:var(--paper)}
.wrap{max-width:1280px;margin:0 auto;padding:0 36px}

/* type */
h1,h2{font-family:var(--serif);font-weight:500;letter-spacing:.005em;text-wrap:balance}
h1{font-size:clamp(2.15rem,4.5vw,4rem);line-height:1.14;max-width:19ch}
h2{font-size:clamp(1.55rem,2.5vw,2.25rem);line-height:1.26}
h3{font:700 1.04rem/1.45 var(--sans);letter-spacing:.01em}
.lead{font-size:1.14rem;line-height:1.8;color:var(--ink2);max-width:54ch}
.label,.eyebrow,.crumbs,.meta,.rail span{font:500 .7rem/1.5 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--ink2)}
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:30px;color:var(--indigo)}
.eyebrow::before{content:"";width:44px;height:1px;background:var(--indigo)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:50px;padding:12px 26px;border:1px solid var(--indigo);background:var(--indigo);color:#f6f4ee;font:500 .95rem/1.2 var(--sans);letter-spacing:.06em;text-decoration:none;cursor:pointer;border-radius:0;transition:background .2s,color .2s,border-color .2s}
.btn:hover{background:var(--ink);border-color:var(--ink);color:#f6f4ee}
.btn::after{content:"";width:22px;height:7px;flex:none;border-bottom:1px solid currentColor;border-right:1px solid currentColor;transform:skewX(45deg);margin-top:-6px}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn.ghost:hover{background:var(--ink);color:#f6f4ee;border-color:var(--ink)}
.btn.sm{min-height:44px;padding:8px 16px;font-size:.84rem;letter-spacing:.04em}
.btn.sm::after,.btn.ghost::after,.hd-cta::after{display:none}
.btn.inv{background:#f3f1ea;border-color:#f3f1ea;color:var(--deep)}
.btn.inv:hover{background:transparent;color:#f3f1ea;border-color:#f3f1ea}
.btn[disabled]{opacity:.55;cursor:wait}
.btns{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px;margin-top:38px}
.more{display:inline-flex;align-items:center;min-height:44px;font-weight:500;letter-spacing:.04em;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line2)}
.more:hover{border-color:var(--seal);color:var(--indigo)}
.deep .more{color:#f3f1ea;border-color:rgba(243,241,234,.5)}
.deep .more:hover{color:#fff;border-color:#fff}

/* header */
.hd{position:sticky;top:0;z-index:30;background:rgba(243,241,234,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:28px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:13px;min-height:44px;color:var(--ink);text-decoration:none;font:700 1.2rem/1 var(--serif);letter-spacing:.14em}
.logo:hover{color:var(--ink)}
.seal{width:34px;height:34px;flex:none;transform:rotate(-3deg)}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 15px;color:var(--ink);text-decoration:none;font:500 .74rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase}
.nav a::before{content:"";position:absolute;left:50%;top:4px;width:5px;height:5px;margin-left:-3px;border-radius:50%;background:var(--seal);opacity:0;transition:opacity .2s}
.nav a:hover::before,.nav a[aria-current]::before{opacity:1}
.hd-cta{min-height:46px;padding:10px 22px;font-size:.86rem;white-space:nowrap}
.burger{display:none;width:46px;height:46px;padding:0;background:none;border:1px solid var(--line2);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:7px}
.burger i{display:block;width:20px;height:1px;background:var(--ink)}

/* bands + axis */
.band{position:relative}
.band>.wrap{display:grid;grid-template-columns:66px minmax(0,1fr)}
.rail{padding-top:102px;display:flex;flex-direction:column;align-items:flex-start;gap:20px}
.band.n .rail::before{counter-increment:b;content:counter(b,decimal-leading-zero);font:500 1.1rem/1 var(--serif);color:var(--indigo);letter-spacing:.06em}
.rail span{writing-mode:vertical-rl;white-space:nowrap;max-height:340px;overflow:hidden;font-size:.66rem;letter-spacing:.3em;padding-left:3px}
.col{position:relative;min-width:0;border-left:1px solid var(--line);padding:96px 0 108px 58px}
.col::before{content:"";position:absolute;left:-4px;top:104px;width:7px;height:7px;border-radius:50%;background:var(--paper);border:1px solid var(--ink)}
.alt{background:var(--paper2)}
.alt .col::before{background:var(--paper2)}
.deep{background:var(--deep);color:#f3f1ea}
.deep .col{border-color:rgba(243,241,234,.24)}
.deep .col::before{background:var(--deep);border-color:#f3f1ea}
.deep .rail span,.deep p,.deep .label{color:#cdd8e3}
.deep.n .rail::before{color:#f3f1ea}
.deep h2,.deep h3{color:#fbfaf5}
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px 64px;align-items:start}
.split>*{min-width:0}
.split.sticky>.aside{position:sticky;top:104px}
.aside h2{max-width:13ch}

/* hero */
.hero .col{padding-top:84px;padding-bottom:96px}
.hero .col::before,.top .col::before{top:92px;background:var(--seal);border-color:var(--seal)}
.hero .rail,.top .rail{padding-top:90px}
.hero h1{position:relative;max-width:17ch}
.enso{position:absolute;right:-10px;top:34px;width:330px;height:330px;pointer-events:none}
.hero-row{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px 72px;margin-top:56px;align-items:start}
.hero-row>*{min-width:0}
.hero-r{margin-top:18px}
.hero-r .label{margin-bottom:14px;display:flex;align-items:center;gap:12px}
.hero-r .label::after{content:"";flex:1;height:1px;background:var(--line)}
.bullets{margin-top:30px;border-top:1px solid var(--line)}
.bullets li{position:relative;padding:14px 0 14px 30px;border-bottom:1px solid var(--line);font-size:.98rem;line-height:1.6}
.bullets li::before{content:"";position:absolute;left:2px;top:1.55em;width:14px;height:1px;background:var(--seal)}

/* facts */
.factb .col{padding:0}
.factb .col::before,.factb .rail span{display:none}
.factb .rail{padding:0}
.facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts>div{padding:34px 22px 32px 26px;border-left:1px solid var(--line);min-width:0}
.facts>div:first-child{border-left:0;padding-left:58px}
.facts dd{font:500 clamp(1.7rem,2.6vw,2.4rem)/1.1 var(--serif);color:var(--indigo);letter-spacing:.01em}
.facts dt{margin-top:12px;font:500 .7rem/1.5 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink2)}
.facts.three{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:64px}
.facts.three>div:first-child{padding-left:0}

/* features (staggered), quad, tri, steps */
.stag{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.stag li{position:relative;padding:26px 0 44px;border-top:1px solid var(--line2);min-width:0}
.stag li:nth-child(even){transform:translateY(46px)}
.stag li::before{content:"";position:absolute;left:0;top:-1px;width:36px;height:3px;background:var(--indigo)}
.stag h3{margin-bottom:10px;font:500 1.28rem/1.4 var(--serif)}
.stag p,.quad p,.tri p,.steps p{color:var(--ink2);font-size:.98rem;line-height:1.75}
.feat .col{padding-bottom:150px}
.quad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 56px}
.quad li{padding:24px 0 34px;border-top:1px solid var(--line2);min-width:0}
.quad h3{margin-bottom:10px;font:500 1.22rem/1.4 var(--serif)}
.deep .quad li{border-color:rgba(243,241,234,.4)}
.deep .quad p{color:#cdd8e3}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:58px;border-top:1px solid var(--line2)}
.steps li{counter-increment:s;position:relative;padding:34px 40px 0 0;min-width:0}
.steps li+li{padding-left:40px;border-left:1px solid var(--line)}
.steps li::before{content:counter(s);display:block;font:500 3.6rem/1 var(--serif);color:var(--indigo);margin-bottom:22px}
.steps li::after{content:"";position:absolute;left:-4px;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--ink)}
.steps li+li::after{left:-4px}
.steps h3{margin-bottom:10px;font-size:1.08rem}
.tri{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 48px;margin-top:54px}
.tri li{padding:26px 0 0;border-top:1px solid var(--line2);min-width:0}
.tri li:nth-child(2){margin-top:44px}
.tri li:nth-child(3){margin-top:88px}
.tri h3{margin-bottom:12px;font:500 1.24rem/1.4 var(--serif)}

/* side card, toc */
.sidecard{padding:26px 0 0;border-top:3px solid var(--indigo);max-width:320px}
.sc-h{font:500 1.4rem/1.35 var(--serif);margin-bottom:10px}
.sidecard p{color:var(--ink2);font-size:.96rem}
.sidecard .btn{margin-top:22px}
.toc{border-top:3px solid var(--indigo);padding-top:20px;max-width:320px}
.toc .label{margin-bottom:10px}
.toc ol{counter-reset:t}
.toc li{counter-increment:t;border-bottom:1px solid var(--line)}
.toc a{display:flex;gap:14px;align-items:baseline;min-height:44px;padding:10px 0;color:var(--ink);text-decoration:none;font-size:.93rem;line-height:1.45}
.toc a::before{content:counter(t,decimal-leading-zero);font:400 .72rem/1 var(--mono);color:var(--indigo);flex:none}
.toc a:hover{color:var(--indigo)}

/* prose */
.prose{max-width:72ch;min-width:0}
.prose>*+*{margin-top:1.15em}
.prose h2{margin-top:2.2em;padding-top:1.1em;border-top:1px solid var(--line2);font-size:clamp(1.45rem,2.1vw,1.9rem)}
.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h3{margin-top:1.9em;font:500 1.24rem/1.4 var(--serif)}
.prose p,.prose li{color:#24313d}
.prose ul,.prose ol{padding-left:0}
.prose ul>li{position:relative;padding-left:28px;margin-top:.5em}
.prose ul>li::before{content:"";position:absolute;left:2px;top:.85em;width:13px;height:1px;background:var(--seal)}
.prose ol{counter-reset:o}
.prose ol>li{counter-increment:o;position:relative;padding-left:38px;margin-top:.6em}
.prose ol>li::before{content:counter(o,decimal-leading-zero);position:absolute;left:0;top:.42em;font:400 .74rem/1 var(--mono);color:var(--indigo)}
.prose strong{font-weight:700;color:var(--ink)}
.prose :not(pre)>code,.keyout code{font:400 .86em var(--mono);background:var(--wash);padding:.14em .42em;overflow-wrap:anywhere}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 26px;border-left:3px solid var(--indigo);font:500 1.2rem/1.6 var(--serif)}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.93rem;line-height:1.5;margin-top:1.6em;border-top:2px solid var(--ink)}
.prose th,.prose td{padding:13px 22px 13px 0;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:120px}
.prose th{font:500 .7rem/1.5 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--ink2);white-space:nowrap}

/* code */
.codebox{background:var(--code);box-shadow:14px 14px 0 var(--wash);min-width:0}
.codetabs{display:flex;border-bottom:1px solid rgba(243,241,234,.16);padding:0 8px}
.codetabs button{position:relative;min-height:48px;padding:0 18px;background:none;border:0;color:#a9b7c5;font:500 .72rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;cursor:pointer}
.codetabs button[aria-selected="true"]{color:#fbfaf5}
.codetabs button[aria-selected="true"]::after{content:"";position:absolute;left:18px;right:18px;bottom:-1px;height:2px;background:var(--seal)}
pre.code{position:relative;margin:0;padding:58px 24px 26px;background:var(--code);color:#dfe6ee;font:400 .84rem/1.75 var(--mono);overflow-x:auto;max-width:100%;tab-size:2;-webkit-overflow-scrolling:touch}
.prose pre.code{margin-top:1.5em;box-shadow:10px 10px 0 var(--wash)}
.alt .prose pre.code,.alt .codebox{box-shadow:10px 10px 0 #d3dbe2}
pre.code code{font:inherit;background:none;padding:0;white-space:pre}
pre.code .k{color:#9cc4ea}
pre.code .s{color:#e6c995}
pre.code .c{color:#8a9aaa;font-style:italic}
.copy{position:absolute;top:8px;right:8px;min-width:64px;min-height:44px;padding:0 14px;background:transparent;border:1px solid rgba(243,241,234,.3);color:#dfe6ee;font:500 .68rem/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;cursor:pointer}
.copy:hover{background:#f3f1ea;color:var(--code)}

/* faq */
.faq{border-top:1px solid var(--line2)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:64px;padding:16px 0;cursor:pointer;list-style:none;font:500 1.16rem/1.45 var(--serif)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:15px;height:15px;background:linear-gradient(var(--indigo),var(--indigo)) center/100% 1px no-repeat,linear-gradient(var(--indigo),var(--indigo)) center/1px 100% no-repeat;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 48px 24px 0;color:var(--ink2);max-width:66ch}

/* cta band */
.ctab .col{padding-top:110px;padding-bottom:120px;overflow:hidden}
.ctab .enso{position:static;width:210px;height:210px;margin-top:-24px;filter:brightness(0) invert(1);opacity:.5}
.ctab h2{font-size:clamp(1.9rem,3.6vw,3.1rem);max-width:17ch}
.ctab p{margin-top:18px;font-size:1.1rem;max-width:48ch}

/* key page */
.keygrid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);grid-template-areas:"head form" "lead form";grid-template-rows:auto 1fr;gap:26px 72px;align-items:start}
.keygrid>*{min-width:0}
.k-head{grid-area:head}.k-form{grid-area:form}.k-lead{grid-area:lead}
.keyb .col{padding-top:64px}
.keyb .col::before{top:72px}.keyb .rail{padding-top:70px}
.keyb h1{font-size:clamp(2.1rem,3.9vw,3.4rem)}
.k-form>.label{margin-bottom:12px;color:var(--indigo)}
.k-side{margin-top:18px;font:500 1.12rem/1.5 var(--serif)}
.ledger{margin-top:28px;border-top:1px solid var(--line2);max-width:440px}
.ledger>div{display:flex;justify-content:space-between;align-items:baseline;gap:18px;padding:11px 0;border-bottom:1px solid var(--line)}
.ledger dt{order:-1;font-size:.9rem;color:var(--ink2)}
.ledger dd{font:500 1.14rem/1.2 var(--serif);color:var(--indigo);white-space:nowrap}
.form{position:relative;background:var(--white);border:1px solid var(--ink);padding:34px 36px 32px;box-shadow:14px 14px 0 var(--wash)}
.form::before{content:"";position:absolute;right:22px;top:-9px;width:18px;height:18px;background:var(--seal);transform:rotate(-4deg)}
.tabs2{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin-bottom:24px}
.tabs2 button{min-height:48px;padding:0 6px;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;color:var(--ink2);font:500 .78rem/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;cursor:pointer}
.tabs2 button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--ink)}
.form .btn.ghost[data-gauth]{width:100%;min-height:50px;background:var(--paper);font-size:.95rem}
.form .btn.ghost[data-gauth]:hover{background:var(--ink)}
.form .note{margin:10px 0 0;font-size:.84rem;line-height:1.55;color:var(--ink2)}
.form form{margin-top:20px}
.row{margin-bottom:18px}
.row label,.calc label{display:block;margin-bottom:8px;font:500 .7rem/1.4 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink2)}
.row input,.row select,.row textarea{display:block;width:100%;min-height:50px;padding:11px 14px;background:var(--paper);border:1px solid var(--line2);border-radius:0;color:var(--ink);font:400 1rem/1.4 var(--sans);-webkit-appearance:none;appearance:none}
.row textarea{min-height:150px;resize:vertical;line-height:1.6}
.row select{background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.row input:focus,.row select:focus,.row textarea:focus{outline:2px solid var(--indigo);outline-offset:0;border-color:var(--indigo);background:#fff}
.form form>.btn{width:100%;margin-top:6px}
.msg:empty{display:none}
.msg{margin:0 0 18px;padding:12px 16px;border-left:3px solid var(--indigo);background:var(--wash);font-size:.93rem;line-height:1.5}
.msg.err{border-color:var(--seal);background:#f6e3dc;color:#7c2412}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font:500 1.5rem/1.3 var(--serif);margin-bottom:16px}
.keybox{display:flex;align-items:center;gap:12px;background:var(--code);padding:10px 10px 10px 18px}
.keybox span{flex:1;min-width:0;color:#e6c995;font:400 .88rem/1.5 var(--mono);overflow-wrap:anywhere}
.keybox .btn{background:#f3f1ea;border-color:#f3f1ea;color:var(--code);flex:none}
.keyout>p{margin-top:16px;font-size:.95rem;line-height:1.95}
.mut{color:var(--ink2)}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* pricing */
.price-row{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px 72px;align-items:end}
.price-row>*{min-width:0}
.priceb h1{max-width:14ch}
.priceb .lead{margin-top:26px}
.sub{margin-top:18px;padding-left:30px;position:relative;font-weight:500}
.sub::before{content:"";position:absolute;left:2px;top:.9em;width:16px;height:1px;background:var(--seal)}
.price-r .label{margin-bottom:6px;color:var(--indigo)}
.bigp>div{padding:22px 0 20px;border-top:1px solid var(--line2)}
.bigp>div:last-child{border-bottom:1px solid var(--line2)}
.bigp dd{font:500 clamp(3.2rem,6vw,5.2rem)/1 var(--serif);color:var(--indigo);letter-spacing:-.01em}
.bigp dt{margin-top:10px;font:500 .72rem/1.5 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink2)}
.calc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 40px;align-items:end}
.calc>div{min-width:0}
.calc label{color:#cdd8e3}
.calc input{display:block;width:100%;min-height:56px;padding:8px 0;background:transparent;border:0;border-bottom:1px solid rgba(243,241,234,.6);border-radius:0;color:#fbfaf5;font:400 1.3rem/1.2 var(--mono)}
.calc input:focus{outline:2px solid #f3f1ea;outline-offset:4px}
.calc output{display:block;min-height:56px;font:500 clamp(2.6rem,4.6vw,3.8rem)/1.1 var(--serif);color:#fbfaf5;border-bottom:1px solid transparent}

/* page heads, article, support, 404 */
.top .col{padding-top:76px;padding-bottom:84px}
.top .col::before{top:84px}.top .rail{padding-top:82px}
.top .lead{margin-top:26px}
.crumbs{display:flex;flex-wrap:wrap;gap:4px 12px;margin-bottom:26px;font-size:.66rem}
.crumbs li{display:flex;align-items:center;gap:12px;min-width:0}
.crumbs li+li::before{content:"";width:22px;height:1px;background:var(--line2);flex:none}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;color:var(--indigo);text-decoration:none}
.crumbs span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch}
.meta{margin-top:30px;display:flex;align-items:center;gap:12px}
.meta::before{content:"";width:44px;height:1px;background:var(--seal)}
.arthead h1{max-width:21ch;font-size:clamp(2.1rem,4.2vw,3.7rem)}
.takes{background:var(--white);border:1px solid var(--ink);padding:30px 34px 28px;margin-bottom:54px;max-width:72ch;box-shadow:12px 12px 0 #d3dbe2}
.takes h2{font:500 .72rem/1.5 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--indigo);margin-bottom:10px}
.takes ol{counter-reset:k}
.takes li{counter-increment:k;position:relative;padding:13px 0 13px 46px;border-top:1px solid var(--line);line-height:1.6}
.takes li::before{content:counter(k);position:absolute;left:4px;top:8px;font:500 1.5rem/1.4 var(--serif);color:var(--indigo)}
.supform{background:var(--white);border:1px solid var(--ink);padding:34px 36px;box-shadow:14px 14px 0 var(--wash);max-width:640px}
.supform>*+*{margin-top:1em}
.supform button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:12px 30px;background:var(--indigo);border:1px solid var(--indigo);color:#f6f4ee;font:500 .95rem/1.2 var(--sans);letter-spacing:.06em;cursor:pointer;border-radius:0}
.supform button:hover{background:var(--ink);border-color:var(--ink)}
.supform output,.supform [data-out]{display:block;margin-top:14px;font-size:.93rem;color:var(--indigo)}
.supb .aside h1{font-size:clamp(2.1rem,3.6vw,3.2rem)}
.nf .col,.supb .col{min-height:62vh}
.nf h1,.nf .lead,.nflinks{position:relative}
.nflinks{margin-top:44px;max-width:520px;border-top:1px solid var(--line2)}
.nflinks a{display:flex;align-items:center;justify-content:space-between;min-height:54px;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font:500 1.12rem/1.3 var(--serif)}
.nflinks a::after{content:"";width:22px;height:7px;border-bottom:1px solid var(--seal);border-right:1px solid var(--seal);transform:skewX(45deg)}
.nflinks a:hover{color:var(--indigo)}

/* footer */
.ft{background:var(--ink);color:#d9e0e7;padding:72px 0 44px}
.ft-in{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px 64px;padding-left:102px}
.ft .logo{color:#fbfaf5}
.ft-b p{margin-top:16px;color:#b9c4cf;font-size:.95rem;max-width:30ch}
.ft-l{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;border-top:1px solid rgba(243,241,234,.22)}
.ft-l a{display:flex;align-items:center;min-height:48px;border-bottom:1px solid rgba(243,241,234,.14);color:#e8edf2;text-decoration:none;font-size:.93rem}
.ft-l a:hover{color:#fff;border-color:var(--seal)}
.legal{grid-column:1/-1;margin-top:26px;font-size:.8rem;line-height:1.7;color:#aab6c2;letter-spacing:.03em}

/* responsive */
@media (max-width:1040px){
.nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--ink);padding:6px 20px 16px;box-shadow:0 18px 30px rgba(23,34,45,.12)}
.nav.open{display:flex}
.nav a{min-height:52px;padding:0 4px 0 22px;border-bottom:1px solid var(--line);font-size:.8rem}
.nav a::before{left:4px;top:50%;margin:-3px 0 0}
.hd-cta{margin-left:auto}
.burger{display:flex}
.hd-in{gap:12px}
}
@media (max-width:900px){
.wrap{padding:0 20px}
.band>.wrap{display:block}
.rail{flex-direction:row;align-items:center;gap:14px;padding:56px 0 0}
.band.n .rail::after{content:"";width:44px;height:1px;background:var(--line2)}
.deep.n .rail::after{background:rgba(243,241,234,.5)}
.rail span,.col::before{display:none}
.hero .rail,.top .rail,.factb .rail,.ctab .rail,.artb .rail{display:none}
.col{border-left:0;padding:22px 0 64px}
.hero .col,.top .col,.keyb .col{padding:40px 0 56px}
.ctab .col{padding:64px 0 72px}
.artb .col{padding-top:48px}
.split,.hero-row,.price-row,.keygrid{grid-template-columns:minmax(0,1fr);gap:30px}
.keygrid{grid-template-areas:"head" "form" "lead";gap:20px}
.split.sticky>.aside{position:static}
.aside h2{max-width:none}
.enso{width:180px;height:180px;right:-78px;top:-18px;opacity:.6}
.ctab .enso{display:none}
.hero-row{margin-top:30px}
.hero-r{margin-top:6px}
.facts{grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.facts>div,.facts>div:first-child{padding:22px 14px 20px 0;border-left:0;border-bottom:1px solid var(--line)}
.facts>div:first-child{grid-column:1/-1}
.facts>div:nth-child(odd):not(:first-child){padding-left:18px;border-left:1px solid var(--line)}
.facts>div:nth-last-child(-n+2){border-bottom:0}
.facts.three{grid-template-columns:minmax(0,1fr);margin-top:40px;border-bottom:0}
.facts.three>div,.facts.three>div:nth-child(odd):not(:first-child){display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:16px 0;border-left:0;border-bottom:1px solid var(--line)}
.facts.three dt{margin:0;order:-1}
.stag,.quad,.tri,.steps{grid-template-columns:minmax(0,1fr)}
.stag li:nth-child(even){transform:none}
.stag li{padding-bottom:30px}
.feat .col{padding-bottom:50px}
.steps{margin-top:34px;border-top:0}
.steps li,.steps li+li{padding:26px 0 30px;border-left:0;border-top:1px solid var(--line2)}
.steps li::before{font-size:2.8rem;margin-bottom:14px}
.steps li::after{display:none}
.tri{margin-top:30px}
.tri li,.tri li:nth-child(2),.tri li:nth-child(3){margin-top:0;padding:24px 0 28px}
.sidecard,.toc{max-width:none}
.proseb .split>.aside{order:2}
.codebox,.form,.supform,.prose pre.code,.alt .prose pre.code,.alt .codebox{box-shadow:6px 6px 0 var(--wash)}
.takes{box-shadow:6px 6px 0 #d3dbe2;padding:24px 20px 20px;margin-bottom:40px}
.form,.supform{padding:26px 20px 24px}
.calc{grid-template-columns:minmax(0,1fr)}
.faq summary{font-size:1.06rem}
.faq details p{padding-right:0}
.ft{padding:56px 0 36px}
.ft-in{grid-template-columns:minmax(0,1fr);padding-left:20px}
.lead{font-size:1.06rem}
pre.code{padding:58px 16px 20px;font-size:.78rem}
.crumbs span{max-width:24ch}
.btns{margin-top:28px}
}
@media (max-width:430px){
.logo{font-size:1.02rem;letter-spacing:.08em;gap:9px}
.seal{width:30px;height:30px}
.hd-cta{padding:10px 13px;font-size:.8rem;letter-spacing:.02em}
.hd-in{min-height:66px;gap:9px}
.ft-l{grid-template-columns:minmax(0,1fr)}
.codetabs button{padding:0 12px}
.btns .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}