:root{--desk:#e9e7f2;--paper:#fbfdfb;--rev:#d7cff3;--ink:#19142b;--mut:#49445f;--blue:#220f7a;--cover:#180b4c;--bar:#140840;--line:#b9b3cf;--pale:#c2b9e3;--code:#160b38;--brass:#88b83a;--ch:132px;--d:"Libertinus Mono","Courier New",Courier,monospace;--b:Cousine,"Courier New",Courier,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--desk);color:var(--ink);font:400 16px/1.7 var(--b);overflow-wrap:break-word}
[hidden]{display:none!important}
img,svg{max-width:100%}
a{color:var(--blue);text-underline-offset:.2em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid #3a1cc4;outline-offset:2px}
.cover :focus-visible,.back :focus-visible,.ftr :focus-visible,.codebox :focus-visible,pre.code:focus-visible{outline-color:#ffffff}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0}
.wrap{max-width:1192px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:0;background:#ffffff;color:var(--ink);padding:12px 16px;z-index:99}
.skip:focus{left:8px;top:8px}

/* ---------- cover (collapsing header) ---------- */
.cover{position:sticky;top:calc(-1*var(--ch));z-index:40;background:var(--cover);color:#f4f3fa}
.cover.home{--ch:250px}
.cover-big{height:var(--ch);overflow:hidden;position:relative;background:linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px) 0 0/7px 100%,var(--cover)}
.cover-big .wrap{height:100%;display:flex;flex-direction:column;justify-content:center;padding-left:84px;position:relative}
.cover-big .wrap::before{content:"";position:absolute;left:28px;top:0;bottom:0;width:22px;background:radial-gradient(circle at 42% 36%,#c9f399 0 2px,var(--brass) 3px 8px,#425d16 8px 9.5px,transparent 10px) 0 0/22px 33.34% repeat-y}
.c-top{display:flex;justify-content:space-between;gap:16px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--pale)}
.c-title{font:400 min(4.2vw,50px)/1.05 var(--d);text-transform:uppercase;white-space:nowrap;margin:10px 0 8px;text-decoration:underline;text-decoration-thickness:.06em;text-underline-offset:.16em}
.home .c-title{font-size:min(6.3vw,90px);margin:20px 0 22px}
.c-tag{font-size:.95rem;color:var(--pale)}
.cover:not(.home) .c-tag{display:none}
.bar{background:var(--bar);border-top:1px solid rgba(255,255,255,.16);border-bottom:3px solid var(--blue)}
.bar .wrap{display:flex;align-items:center;gap:14px;min-height:58px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:#f4f3fa;text-decoration:none;font:400 1.02rem/1.1 var(--d);text-transform:uppercase;min-width:0}
.logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mark{flex:none}
.nav{display:flex;margin-left:auto}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 13px;color:#e0dbf3;text-decoration:none;font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.nav a:hover,.nav a[aria-current]{color:#ffffff;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.4em}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;background:var(--blue);color:#ffffff;font:700 .88rem/1.2 var(--b);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;text-align:center;border:1.5px solid var(--ink);border-radius:0;box-shadow:3px 3px 0 var(--ink);cursor:pointer}
.btn:hover{background:#1b0b62}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn.ghost{background:var(--paper);color:var(--ink)}
.btn.ghost:hover{background:#ffffff}
.btn.sm{min-height:44px;padding:0 14px;font-size:.78rem}
.btn.hcta{background:#fbfdfb;color:var(--cover);border-color:#fbfdfb;box-shadow:3px 3px 0 #4c2fc0;min-height:44px;padding:0 16px;white-space:nowrap;flex:none}
.btn.hcta:hover{background:var(--rev)}
.burger{display:none;width:44px;height:44px;flex:none;background:none;border:1.5px solid var(--pale);padding:0;cursor:pointer;align-items:center;justify-content:center}
.burger span,.burger span::before,.burger span::after{display:block;width:20px;height:2px;background:#ffffff;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* ---------- desk and pages ---------- */
.desk{max-width:1192px;margin:0 auto;padding:36px 16px 64px;display:flex;flex-direction:column;gap:36px;counter-reset:sc}
.pg{position:relative;min-width:0;background:var(--paper);border:1px solid var(--line);box-shadow:5px 5px 0 -1px #f4f3f8,5px 5px 0 0 var(--line)}
.pg.rev{background:var(--rev);border-color:#aa9dd3;box-shadow:5px 5px 0 -1px #e4dff7,5px 5px 0 0 #aa9dd3}
.pin{padding:44px 78px 48px;min-width:0}
.pg::before{content:"";position:absolute;left:10px;top:0;bottom:0;width:18px;background:radial-gradient(circle,var(--desk) 0 6px,#9a93b6 6.5px 7.5px,transparent 8px) 0 0/18px 33.34% repeat-y}
.pg.rev{overflow:hidden}
.pg.rev::after{content:"*\A*\A\A*";white-space:pre;position:absolute;right:22px;top:96px;font:400 1.2rem/1.5 var(--d);color:var(--blue)}
.narrow{width:100%;max-width:860px;margin-left:auto;margin-right:auto}
h1{font:400 clamp(1.5rem,1.05rem + 1.9vw,2.45rem)/1.2 var(--d);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.2em;text-decoration-color:var(--blue);letter-spacing:-.01em}
.lead{font-size:1.06rem;color:var(--mut);margin-top:20px;max-width:46rem}
.eyebrow,.lab,.crumbs,.date{font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.eyebrow{margin-bottom:16px}
.lab{margin-bottom:12px}
.crumbs{margin-bottom:18px;display:flex;flex-wrap:wrap;align-items:center;gap:0 4px}
.crumbs a,.crumbs span{display:inline-flex;align-items:center;min-height:44px}
.crumbs span{color:var(--mut);display:inline-block;line-height:44px;max-width:min(34ch,100%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumbs i{font-style:normal;color:var(--mut);padding:0 6px}
.acts2{display:flex;flex-wrap:wrap;align-items:center;gap:16px 18px;margin-top:28px}
.sub{margin-top:22px;color:var(--mut)}

/* scene slug: number typed in both margins */
.slug{counter-increment:sc;display:grid;grid-template-columns:40px minmax(0,1fr) 40px;align-items:baseline;margin:0 -44px 30px}
.slug h2{font:400 clamp(1.2rem,1rem + .8vw,1.6rem)/1.25 var(--d);text-transform:uppercase;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.22em}
.slug .n{font:400 1.25rem/1.25 var(--d);color:var(--blue)}
.slug .n::before{content:counter(sc)}
.slug .n:last-child{text-align:right}

/* ---------- hero ---------- */
.hgrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.htext,.hcode{min-width:0}
.ticks{list-style:none;margin-top:30px;display:grid;gap:8px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"--";position:absolute;left:0;color:var(--blue);font-weight:700}
.hcode .lab{color:var(--mut)}
.facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:44px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.facts div{display:flex;flex-direction:column-reverse;justify-content:flex-end;gap:4px;padding:16px 14px;border-left:1px dashed var(--line);min-width:0}
.facts div:first-child{border-left:0;padding-left:0}
.facts dt{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--mut);line-height:1.4}
.facts dd{font:400 1.4rem/1.2 var(--d);color:var(--blue)}

/* ---------- code ---------- */
.codebox{background:var(--code);border:1.5px solid var(--ink);box-shadow:5px 5px 0 var(--rev),5px 5px 0 1.5px var(--ink);min-width:0}
.codetabs{display:flex;border-bottom:1px solid #372a64;overflow-x:auto}
.codetabs button{min-height:46px;padding:0 18px;background:none;border:0;border-right:1px solid #372a64;color:#c2b9e3;font:700 .8rem var(--b);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.codetabs button[aria-selected=true]{background:#22125c;color:#ffffff;box-shadow:inset 0 -3px 0 #ab8fff}
pre.code{position:relative;margin:0;padding:18px 18px 20px;background:var(--code);color:#e1dcf4;font:400 .84rem/1.65 var(--b);overflow-x:auto;max-width:100%;tab-size:2;white-space:pre}
pre.code code{display:block;clear:both;font:inherit;background:none;padding:0;color:inherit}
pre.code .k{color:#ab8fff}pre.code .s{color:#d4ff8a}pre.code .c{color:#a69dc7}
.copy{float:right;position:sticky;right:0;top:0;margin:-8px -8px 8px 12px;min-height:44px;min-width:64px;padding:0 12px;background:#22125c;color:#ffffff;border:1px solid #5e4d97;font:700 .72rem var(--b);letter-spacing:.08em;text-transform:uppercase;cursor:pointer}
.copy:hover{background:#311a80}

/* ---------- lists of cards ---------- */
.cards,.steps,.bens{list-style:none;display:grid;gap:30px 34px}
.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cards li,.bens li{min-width:0;border-top:1.5px solid var(--ink);padding-top:14px}
.cards h3,.steps h3,.bens h3{font:700 1rem/1.4 var(--b);text-decoration:underline;text-underline-offset:.22em;margin-bottom:8px}
.cards p,.steps p,.bens p{font-size:.94rem;line-height:1.65}
.steps{grid-template-columns:repeat(3,minmax(0,1fr));counter-reset:st}
.steps li{counter-increment:st;position:relative;padding-left:58px;min-width:0}
.steps li::before{content:counter(st) ".";position:absolute;left:0;top:-10px;font:400 2.5rem/1 var(--d);color:var(--blue)}
.bens{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 28px;margin-top:30px}

/* ---------- prose ---------- */
.prose{min-width:0}
.prose>*{max-width:46rem}
.prose>table,.prose>pre,.prose>form{max-width:100%}
.prose h2{font:400 1.4rem/1.3 var(--d);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.22em;margin:44px 0 16px;scroll-margin-top:84px}
.prose h2:first-child{margin-top:0}
.prose h3{font:700 1.05rem/1.4 var(--b);text-transform:uppercase;letter-spacing:.04em;margin:30px 0 10px;scroll-margin-top:84px}
.prose h4{font:700 1rem/1.4 var(--b);margin:24px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:28px}
.prose li{margin-bottom:6px}
.prose li::marker{color:var(--blue);font-weight:700}
.prose :not(pre)>code,.keyout code{background:rgba(34,15,122,.1);padding:1px 5px;font-size:.92em;overflow-wrap:anywhere}
.prose pre.code{margin:20px 0 24px;border:1.5px solid var(--ink)}
.prose table{display:block;overflow-x:auto;border-collapse:collapse;margin:20px 0 24px;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.prose th{background:var(--cover);color:#ffffff;border-color:var(--cover);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.prose tr:nth-child(even) td{background:rgba(34,15,122,.06)}
.prose blockquote{margin:0 0 18px;padding-left:18px;border-left:3px solid var(--blue)}

/* ---------- faq ---------- */
.faq{border-top:1.5px solid var(--ink)}
.faq details{border-bottom:1px dashed #655b89}
.faq summary{list-style:none;cursor:pointer;display:flex;gap:14px;align-items:flex-start;padding:14px 0;min-height:48px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";flex:none;width:22px;font:400 1.3rem/1.3 var(--d);color:var(--blue)}
.faq details[open] summary::before{content:"-"}
.faq details p{padding:0 0 18px 36px;max-width:46rem}

/* ---------- back cover CTA ---------- */
.pg.back{background:var(--cover);color:#f4f3fa;border-color:var(--ink);box-shadow:5px 5px 0 0 var(--blue)}
.pg.back::before{left:22px;width:22px;background:radial-gradient(circle at 42% 36%,#c9f399 0 2px,var(--brass) 3px 8px,#425d16 8px 9.5px,transparent 10px) 0 0/22px 33.34% repeat-y}
.back h2{font:400 clamp(1.4rem,1.1rem + 1.4vw,2.1rem)/1.2 var(--d);text-transform:uppercase;text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:.22em}
.back p{margin-top:16px;color:#e0dbf3;max-width:44rem}
.btn.inv{background:#fbfdfb;color:var(--cover);border-color:#fbfdfb;box-shadow:3px 3px 0 #4c2fc0}
.btn.inv:hover{background:var(--rev)}
.lnk{color:#ffffff;display:inline-flex;align-items:center;min-height:44px;font-weight:700}

/* ---------- key page ---------- */
.keygrid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,470px);grid-template-areas:"kh form" "kb form";gap:8px 48px;align-items:start}
.kh{grid-area:kh;min-width:0;padding-top:6px}.kb{grid-area:kb;min-width:0}
.formpg{grid-area:form;border:1.5px solid var(--ink)!important;box-shadow:6px 6px 0 var(--blue)!important}
.formpg::before,.formpg::after{display:none}
.formpg .pin{padding:26px 30px 30px}
.tabs2{display:grid;grid-template-columns:1fr 1fr;border:1.5px solid var(--ink);margin-bottom:18px;background:var(--paper)}
.tabs2 button{min-height:46px;padding:4px 8px;background:none;border:0;color:var(--ink);font:700 .8rem var(--b);letter-spacing:.06em;text-transform:uppercase;cursor:pointer}
.tabs2 button+button{border-left:1.5px solid var(--ink)}
.tabs2 button[aria-selected=true]{background:var(--cover);color:#ffffff}
.msg{font-size:.92rem;font-weight:700}
.msg:empty{display:none}
.msg:not(:empty){margin-bottom:16px;padding:12px 14px;border:1.5px solid var(--ink);background:var(--paper)}
.msg.err{border-color:#8f7b12;background:#fdfaeb;color:#7a680e}
.row{margin-bottom:16px}
.row label,.calc label{display:block;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}
.row input,.row select,.row textarea,.calc input{display:block;width:100%;min-height:48px;padding:10px 12px;background:#ffffff;color:var(--ink);border:1.5px solid var(--ink);border-radius:0;font:400 1rem/1.4 var(--b)}
.row textarea{min-height:170px;resize:vertical}
.row input:focus,.row select:focus,.row textarea:focus,.calc input:focus{outline:3px solid #3a1cc4;outline-offset:1px}
.note{font-size:.84rem;color:var(--mut);margin-top:8px}
.form form .btn,[data-support] .btn{width:100%;min-height:52px}
.form form .note{text-align:center;margin-top:14px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font:400 1.3rem/1.3 var(--d);text-transform:uppercase;text-decoration:underline;text-underline-offset:.22em;margin-bottom:14px}
.keybox{display:flex;gap:10px;align-items:stretch;background:#ffffff;border:1.5px dashed var(--ink);padding:8px}
.keybox span{flex:1;min-width:0;align-self:center;padding:4px 6px;font-weight:700;overflow-wrap:anywhere;word-break:break-all}
.keyout p{margin-top:14px;font-size:.92rem}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.mut{color:var(--mut)}

/* ---------- pricing ---------- */
.calc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 28px;align-items:end}
.calc>div{min-width:0}
.calc{padding-bottom:40px}
.toc.inl{display:none;margin-top:28px;padding:18px 18px 8px;background:var(--rev);border:1px solid #aa9dd3}
.toc.inl ol{border-top:1.5px solid var(--ink)}
.toc.inl li:last-child{border-bottom:0}
.calc output{display:flex;align-items:center;min-height:48px;padding:0 12px;border-bottom:3px double var(--ink);font:400 1.9rem/1.1 var(--d);color:var(--blue);overflow-wrap:anywhere}

/* ---------- docs / article ---------- */
.shell{display:grid;grid-template-columns:290px minmax(0,1fr);gap:34px;align-items:start}
.col{display:flex;flex-direction:column;gap:36px;min-width:0}
.col .pin{padding:42px 66px 46px}
.idx{position:sticky;top:84px;max-height:calc(100vh - 104px);overflow-y:auto;padding:0 6px 6px 0;min-width:0}
.idx .pg::before,.idx .pg::after{display:none}
.idx .pin{padding:22px 22px 24px}
.toc ol{list-style:none;counter-reset:tc;border-top:1.5px solid var(--ink)}
.toc li{counter-increment:tc;border-bottom:1px dashed #655b89}
.toc a{display:flex;gap:10px;align-items:flex-start;min-height:44px;padding:10px 0;color:var(--ink);text-decoration:none;font-size:.86rem;line-height:1.45}
.toc a::before{content:counter(tc) ".";flex:none;width:26px;color:var(--blue);font-weight:700}
.toc a:hover{text-decoration:underline}
.sidecta{margin-top:24px}
.sidecta p:not(.lab){font-size:.88rem;margin-bottom:14px}
.sidecta .btn{width:100%}
.col .prose{margin-top:32px}
.date{color:var(--mut);margin-top:20px}
.take{margin-top:26px;padding:20px 24px;background:var(--rev);border:1px solid #aa9dd3;border-left:6px solid var(--blue);max-width:46rem}
.take ul{list-style:none;display:grid;gap:10px}
.take li{position:relative;padding-left:28px;font-size:.95rem}
.take li::before{content:"*";position:absolute;left:2px;top:2px;font:400 1.2rem/1.3 var(--d);color:var(--blue)}

/* ---------- support / 404 ---------- */
.sup{margin-top:24px}
.sup form{max-width:40rem}
.nf{list-style:none;display:flex;flex-wrap:wrap;gap:4px 22px;margin-top:22px}
.nf a{display:inline-flex;align-items:center;min-height:44px;font-weight:700}

/* ---------- footer ---------- */
.ftr{background:var(--bar);color:#e0dbf3;border-top:3px solid var(--blue);padding:40px 0 34px}
.ftr .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:20px 40px;align-items:start}
.f-id p{font-size:.9rem;margin-top:6px;color:var(--pale)}
.f-links{list-style:none;display:flex;flex-wrap:wrap;gap:0 22px;justify-content:flex-end}
.f-links a{display:inline-flex;align-items:center;min-height:44px;color:#ffffff;font-size:.84rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.legal{grid-column:1/-1;border-top:1px dashed #5e4d97;padding-top:18px;font-size:.84rem;color:var(--pale)}

/* ---------- offsets (desktop) ---------- */
@media (min-width:981px){
.pg.l{margin-right:7%}
.pg.r{margin-left:7%}
}

/* ---------- tablet / mobile ---------- */
@media (max-width:980px){
.burger{display:inline-flex}
.btn.hcta{margin-left:auto}
.nav{display:none;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;background:var(--bar);border-bottom:3px solid var(--blue);padding:6px 16px 12px;box-shadow:0 14px 24px rgba(20,8,64,.35)}
.nav.open{display:flex}
.nav a{min-height:48px;padding:0;border-bottom:1px dashed #43337b}
.nav a:last-child{border-bottom:0}
.hgrid{grid-template-columns:minmax(0,1fr);gap:34px}
.c3{grid-template-columns:repeat(2,minmax(0,1fr))}
.steps{grid-template-columns:minmax(0,1fr)}
.shell{grid-template-columns:minmax(0,1fr)}
.idx{display:none}
.toc.inl{display:block}
.keygrid{grid-template-columns:minmax(0,1fr);grid-template-areas:"kh" "form" "kb";gap:22px}
.kb .lead{margin-top:6px}
.pin,.col .pin{padding:36px 56px 40px}
.slug{margin:0 -34px 26px;grid-template-columns:34px minmax(0,1fr) 34px}
.ftr .wrap{grid-template-columns:minmax(0,1fr)}
.f-links{justify-content:flex-start}
}
@media (max-width:640px){
body{font-size:15.5px}
.cover{--ch:84px}
.cover.home{--ch:136px}
.cover-big .wrap{padding-left:52px}
.cover-big .wrap::before{left:16px;width:18px;background-size:18px 33.34%}
.c-top{font-size:.66rem;letter-spacing:.1em}
.c-title{font-size:6.6vw;margin:6px 0}
.home .c-title{font-size:7vw;margin:10px 0 10px}
.c-tag{font-size:.8rem}
.logo span{display:none}
.desk{padding:22px 12px 48px;gap:26px}
.pg,.pg.rev{box-shadow:3px 3px 0 0 var(--line)}
.pg::before,.pg.rev::after{display:none}
.pin,.col .pin,.formpg .pin{padding:24px 18px 28px}
.slug{margin:0 0 22px;grid-template-columns:26px minmax(0,1fr) 26px}
.slug .n{font-size:1.05rem}
.c3,.c2,.bens{grid-template-columns:minmax(0,1fr)}
.cards,.bens{gap:22px}
.facts{grid-template-columns:minmax(0,1fr);margin-top:32px}
.facts div{flex-direction:row;justify-content:space-between;align-items:baseline;gap:14px;padding:11px 0;border-left:0;border-top:1px dashed var(--line)}
.facts div:first-child{border-top:0}
.facts dd{font-size:1.15rem;text-align:right;flex:none;max-width:55%}
.calc{grid-template-columns:minmax(0,1fr)}
.pg.back .pin{padding-left:52px}
.pg.back::before{display:block;left:14px;width:18px;background-size:18px 33.34%}
.faq details p{padding-left:0}
.acts2 .btn{flex:1 1 100%}
.steps li{padding-left:48px}
.steps li::before{font-size:2.1rem}
pre.code{font-size:.78rem;padding:14px}
.btn.hcta{padding:0 12px;font-size:.78rem}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.cover,.ftr{position:static}}