:root{--canvas:#e6e4c4;--sheet:#fffef5;--ink:#17160a;--ink2:#3d3b24;--mut:#5f5c38;--yel:#f2e61a;--soft:#fbf7b6;--tint:#f3f0cf;--line:#d6d3a8;--link:#565100;--code:#1b1a0e;--codet:#f1efd6;--r:18px;
--sans:"Schibsted Grotesk",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--mono:"Martian Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--canvas);background-image:radial-gradient(rgba(23,22,10,.11) 1px,transparent 1.2px);background-size:22px 22px;color:var(--ink);font:400 1.0625rem/1.65 var(--sans);overflow-x:clip;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--link);text-decoration-thickness:1.5px;text-underline-offset:3px}
a:hover{color:var(--ink);text-decoration-color:var(--yel);text-decoration-thickness:3px}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:6px}
.top :focus-visible,.dark :focus-visible,.foot :focus-visible,pre :focus-visible,.codebox :focus-visible,.keybox :focus-visible{outline-color:var(--yel)}
.skip{position:absolute;left:16px;top:-80px;z-index:99;background:var(--yel);color:var(--ink);font-weight:700;padding:12px 18px;border-radius:999px;border:2px solid var(--ink)}
.skip:focus{top:12px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;border:2px solid var(--ink);background:var(--yel);color:var(--ink);font:700 1rem/1.15 var(--sans);text-decoration:none;cursor:pointer;text-align:center;transition:transform .15s,box-shadow .15s,background .15s;box-shadow:0 3px 0 var(--ink)}
.btn:hover{transform:translateY(-2px);box-shadow:0 5px 0 var(--ink);color:var(--ink);background:#fff14a}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 var(--ink)}
.btn.ghost{background:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--tint);transform:none}
.btn.sm{min-height:44px;padding:0 16px;font-size:.92rem}
.btn.big{min-height:54px;padding:0 28px;font-size:1.08rem}
.btn[disabled]{opacity:.6;cursor:wait}

/* floating pill header */
.top{position:sticky;top:10px;z-index:50;padding:0 16px;margin-top:10px}
.pill{max-width:1180px;margin:0 auto;background:var(--ink);border-radius:999px;display:flex;align-items:center;gap:8px;padding:6px 6px 6px 12px;box-shadow:0 10px 26px -14px rgba(23,22,10,.7)}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;min-width:0;color:#fffef5;font-weight:800;letter-spacing:-.01em;text-decoration:none;margin-right:auto}
.logo span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logo:hover{color:var(--yel)}
.mark{flex:none;display:block}
.nav{display:flex;gap:2px;margin-right:6px}
.nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 15px;border-radius:999px;color:#e9e7c8;font-weight:500;font-size:.96rem;text-decoration:none;white-space:nowrap}
.nav a:hover{background:#2d2b17;color:#fff}
.nav a[aria-current]{background:#34321a;color:#fff;box-shadow:inset 0 -3px 0 var(--yel)}
.top .cta{min-height:44px;padding:0 18px;border-color:var(--yel);box-shadow:none;font-size:.95rem;white-space:nowrap}
.top .cta:hover{transform:none;background:#fff;border-color:#fff}
.burger{display:none;flex:none;width:44px;height:44px;border-radius:50%;border:1.5px solid #5d5a35;background:transparent;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger i{display:block;width:18px;height:2px;border-radius:2px;background:#fffef5}

/* canvas + sheets */
main{max-width:1212px;margin:0 auto;padding:22px 16px 0;display:grid;gap:18px}
main>*{min-width:0}
.sheet{position:relative;background:var(--sheet);border:1.5px solid var(--ink);border-radius:var(--r);padding:44px 40px}
.ix{position:absolute;right:-31px;top:calc(30px + var(--i,0)*30px);width:31px;height:58px;background:var(--yel);border:1.5px solid var(--ink);border-left:0;border-radius:0 10px 10px 0;display:flex;align-items:center;justify-content:center;font:600 .68rem/1 var(--mono);writing-mode:vertical-rl;letter-spacing:.08em}
.split{display:grid;grid-template-columns:230px minmax(0,1fr);gap:20px 48px}
.split>*{min-width:0}
.rail{border-right:1.5px solid var(--line);padding-right:28px}
.rail .no{display:inline-block;font:600 .74rem/1 var(--mono);background:var(--ink);color:var(--yel);padding:7px 10px;border-radius:7px;margin-bottom:16px;letter-spacing:.04em}
.rail h2,.ctab h2{font-size:1.65rem;line-height:1.14;font-weight:800;letter-spacing:-.022em;overflow-wrap:break-word}
.rail.sticky{align-self:start;position:sticky;top:92px;max-height:calc(100vh - 110px);overflow:auto}
h1{font-size:clamp(2.05rem,4.1vw,3.3rem);line-height:1.05;font-weight:800;letter-spacing:-.034em;overflow-wrap:break-word;text-wrap:balance}
.lead{font-size:1.16rem;line-height:1.55;color:var(--ink2);margin-top:18px;max-width:62ch}
h3{font-size:1.06rem;line-height:1.3;font-weight:700;letter-spacing:-.005em}

/* breadcrumbs */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font:400 .72rem/1.4 var(--mono);color:var(--mut);margin-bottom:22px}
.crumbs a{color:var(--mut);display:inline-flex;align-items:center;min-height:30px}
.crumbs span{background:var(--tint);border:1px solid var(--line);color:var(--ink);padding:4px 9px;border-radius:6px}
.crumbs i{font-style:normal;color:#8d8a5c}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chips code{font:400 .74rem/1.4 var(--mono);background:var(--tint);border:1px solid var(--line);padding:6px 10px;border-radius:7px;overflow-wrap:anywhere}
.chips code:last-child{background:var(--yel);border-color:var(--ink)}

/* home hero */
.hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:44px;align-items:start}
.hero>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font:600 .72rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;margin-bottom:20px;padding:8px 12px 8px 10px;border:1.5px solid var(--ink);border-radius:8px;background:var(--soft)}
.eyebrow::before{content:"";width:10px;height:10px;background:var(--ink);border-radius:2px}
.acts2{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.checks{margin-top:22px;border-top:1.5px solid var(--line)}
.checks li{position:relative;padding:11px 0 11px 34px;border-bottom:1.5px solid var(--line);font-weight:500}
.checks li::before{content:"";position:absolute;left:0;top:13px;width:22px;height:22px;border-radius:6px;background:var(--yel);border:1.5px solid var(--ink)}
.checks li::after{content:"";position:absolute;left:7px;top:17px;width:7px;height:11px;border:solid var(--ink);border-width:0 2.5px 2.5px 0;transform:rotate(42deg)}
.cap{font:600 .72rem/1.4 var(--mono);color:var(--mut);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.cap::after{content:"";flex:1;height:1.5px;background:var(--line)}

/* facts */
.facts{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:40px;border:1.5px solid var(--ink);border-radius:14px;overflow:hidden;background:var(--sheet)}
.facts li{padding:18px 18px 16px;border-left:1.5px solid var(--line);min-width:0}
.facts li:first-child{border-left:0;background:var(--yel)}
.facts b{display:block;font:600 1.5rem/1.1 var(--mono);letter-spacing:-.04em}
.facts span{display:block;margin-top:8px;font-size:.84rem;line-height:1.35;color:var(--ink2)}
.facts li:first-child span{color:var(--ink)}
.facts.mini{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:30px}
.facts.mini li{padding:13px 16px;border-top:1.5px solid var(--line)}
.facts.mini li:nth-child(-n+2){border-top:0}
.facts.mini li:nth-child(odd){border-left:0}
.facts.mini li:last-child:nth-child(odd){grid-column:1/-1}
.facts.mini b{font-size:1.15rem}
.facts.mini span{margin-top:4px}
.facts.price b{font-size:clamp(1.5rem,2.6vw,2.2rem)}
.facts.price li{padding:24px 20px}

/* code */
.codebox{background:var(--code);border-radius:14px;border:1.5px solid var(--ink);overflow:hidden}
.codetabs{display:flex;gap:4px;padding:8px 8px 0;border-bottom:1.5px solid #3a3820;overflow-x:auto}
.codetabs button{min-height:44px;padding:0 16px;border:0;border-radius:9px 9px 0 0;background:transparent;color:#c9c6a2;font:600 .76rem/1 var(--mono);cursor:pointer;white-space:nowrap}
.codetabs button:hover{color:#fff}
.codetabs button[aria-selected=true]{background:var(--yel);color:var(--ink)}
pre.code{position:relative;margin:22px 0;background:var(--code);color:var(--codet);border-radius:14px;border:1.5px solid var(--ink);overflow:hidden;font:400 .78rem/1.75 var(--mono);max-width:100%}
.codebox pre.code{margin:0;border:0;border-radius:0}
pre.code code{display:block;overflow-x:auto;padding:52px 20px 20px;font:inherit;white-space:pre;tab-size:2}
pre.code .k{color:var(--yel)}
pre.code .s{color:#9fe0c2}
pre.code .c{color:#a3a07f;font-style:italic}
.copy{position:absolute;top:6px;right:8px;min-height:44px;min-width:44px;padding:0 12px;border:0;background:transparent;color:#d8d5b0;font:600 .68rem/1 var(--mono);cursor:pointer;display:inline-flex;align-items:center;gap:7px}
.copy::before{content:"";width:11px;height:13px;border:1.5px solid currentColor;border-radius:3px;box-shadow:3px -3px 0 -1px var(--code),3px -3px 0 .5px currentColor}
.copy:hover{color:var(--yel)}

/* parameter list */
.params{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;counter-reset:p}
.param{counter-increment:p;position:relative;padding:20px 0 22px 46px;border-top:1.5px solid var(--line);min-width:0}
.param:nth-child(-n+2){border-top:0;padding-top:2px}
.param::before{content:counter(p,decimal-leading-zero);position:absolute;left:0;top:23px;font:600 .7rem/1 var(--mono);color:var(--ink);background:var(--yel);padding:5px 6px;border-radius:5px;border:1px solid var(--ink)}
.param:nth-child(-n+2)::before{top:5px}
.param p,.steps p,.callout p,.ex p{margin-top:7px;color:var(--ink2);font-size:.98rem;line-height:1.6}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;counter-reset:s}
.steps li{counter-increment:s;position:relative;padding-top:60px;min-width:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;background:var(--ink);color:var(--yel);font:600 1rem/44px var(--mono);text-align:center;z-index:1}
.steps li::after{content:"";position:absolute;left:44px;right:-26px;top:21px;border-top:2px dashed #8d8a5c}
.steps li:last-child::after{right:0;border-top-style:solid;border-color:var(--line)}

/* callouts */
.callout{position:relative;background:var(--soft);border:1.5px solid var(--ink);border-radius:4px 14px 14px 14px;padding:26px 22px 20px;min-width:0}
.callout .lab{position:absolute;left:-1.5px;top:-13px;background:var(--yel);border:1.5px solid var(--ink);border-radius:7px 7px 7px 0;padding:5px 10px;font:600 .68rem/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase;max-width:calc(100% - 20px)}
.notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 22px;padding-top:10px}
.sub{margin-top:34px}
.sub p{margin:0;font-weight:500;color:var(--ink)}
.take{margin-top:38px;max-width:820px}
.take ul{display:grid;gap:10px}
.take li{position:relative;padding-left:26px;line-height:1.55}
.take li::before{content:"";position:absolute;left:2px;top:.62em;width:12px;height:3px;background:var(--ink);border-radius:2px}
.sidecta{margin-top:34px;padding:24px 16px 16px}
.sidecta .sh{font-weight:800;color:var(--ink);font-size:1rem;line-height:1.3;margin:0}
.sidecta p{font-size:.88rem;line-height:1.5}
.sidecta .btn{margin-top:14px;width:100%}
.upd{margin-top:20px;font:400 .72rem/1.4 var(--mono);color:var(--mut)}

/* toc */
.rl{font:600 .7rem/1.3 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--mut);margin-bottom:12px}
.toc ol{counter-reset:t;border-left:1.5px solid var(--line)}
.toc li{counter-increment:t}
.toc a{display:flex;gap:9px;min-height:44px;align-items:center;padding:6px 8px 6px 14px;margin-left:-1.5px;border-left:3px solid transparent;color:var(--ink2);font-size:.9rem;line-height:1.3;text-decoration:none}
.toc a::before{content:counter(t,decimal-leading-zero);font:400 .66rem/1 var(--mono);color:var(--mut);flex:none}
.toc a:hover{color:var(--ink);background:var(--tint)}
.toc a.on{border-left-color:var(--ink);background:var(--soft);color:var(--ink);font-weight:700}

/* prose */
.prose{counter-reset:h;max-width:760px;min-width:0}
.prose.solo{margin:0 auto}
.prose>*+*{margin-top:1.05em}
.prose h2{counter-increment:h;font-size:1.6rem;line-height:1.18;font-weight:800;letter-spacing:-.022em;margin-top:2.1em;padding-top:1.1em;border-top:1.5px solid var(--line);scroll-margin-top:96px;overflow-wrap:break-word}
.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h2::before{content:"\00a7\00a0" counter(h,decimal-leading-zero);display:block;width:max-content;font:600 .68rem/1 var(--mono);background:var(--yel);border:1px solid var(--ink);border-radius:5px;padding:5px 7px;margin-bottom:12px;letter-spacing:.04em}
.prose h3{font-size:1.16rem;margin-top:1.8em}
.prose ul,.prose ol{padding-left:1.3em}
.prose ul{list-style:square}
.prose ol{list-style:decimal}
.prose li{margin-top:.45em;padding-left:.2em}
.prose li::marker{color:var(--mut);font-weight:700}
.prose strong{font-weight:700}
.prose code,.keyout code{font:400 .84em/1.4 var(--mono);background:var(--tint);border:1px solid var(--line);padding:2px 6px;border-radius:5px;overflow-wrap:anywhere}
.prose pre.code code{background:none;border:0;border-radius:0;overflow-wrap:normal;font:inherit;padding:52px 20px 20px}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:.94rem;border:1.5px solid var(--ink);border-radius:12px}
.prose th,.prose td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--ink);color:var(--sheet);font:600 .72rem/1.3 var(--mono);white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
.prose tr:nth-child(even) td{background:#faf8e3}
.prose blockquote{margin-left:0;margin-right:0;background:var(--soft);border:1.5px solid var(--ink);border-left-width:8px;border-radius:4px 12px 12px 4px;padding:14px 18px}
.read .prose{font-size:1.1rem;line-height:1.75;max-width:700px}

/* faq */
.faq{border-top:1.5px solid var(--ink)}
.faq details{border-bottom:1.5px solid var(--line)}
.faq summary{display:flex;align-items:center;gap:16px;min-height:60px;padding:14px 0;cursor:pointer;list-style:none;font-weight:700;font-size:1.06rem;line-height:1.35}
.faq summary::-webkit-details-marker{display:none}
.faq summary span{flex:1;min-width:0}
.faq summary::after{content:"";flex:none;width:30px;height:30px;border-radius:8px;border:1.5px solid var(--ink);background:linear-gradient(var(--ink),var(--ink)) center/12px 2px no-repeat,linear-gradient(var(--ink),var(--ink)) center/2px 12px no-repeat,var(--sheet);transition:transform .2s}
.faq details[open] summary::after{background:linear-gradient(var(--ink),var(--ink)) center/12px 2px no-repeat,var(--yel);transform:rotate(180deg)}
.faq summary:hover{color:var(--link)}
.faq details p{padding:0 46px 20px 0;color:var(--ink2);max-width:70ch}

/* cta band */
.dark{background:var(--ink);color:#fffef5}
.ctab{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px 40px;align-items:center}
.ctab h2{font-size:clamp(1.6rem,3vw,2.3rem)}
.ctab p{color:#dedbb9;margin-top:10px;max-width:56ch}
.ctab .acts2{margin-top:0}
.dark .btn{border-color:var(--yel);box-shadow:0 3px 0 #6c6710}
.dark .btn.ghost{border-color:#8d8a5c;color:#fffef5;box-shadow:none}
.dark .btn.ghost:hover{background:#2d2b17;color:#fff}

/* key page */
.keyhero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,470px);gap:0 48px;align-items:start}
.keyhero .plate{grid-column:2;grid-row:1/span 2}
.kf .facts{margin-top:30px}
.keyhero>*{min-width:0}
.keyhero h1{font-size:clamp(1.9rem,3.4vw,2.75rem)}
.plate{background:var(--yel);border:1.5px solid var(--ink);border-radius:22px;padding:10px;box-shadow:0 22px 40px -26px rgba(23,22,10,.75)}
.form{background:var(--sheet);border:1.5px solid var(--ink);border-radius:14px;padding:22px}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:4px;background:var(--tint);border:1.5px solid var(--line);border-radius:12px;padding:4px}
.tabs2 button{min-height:44px;border:0;border-radius:8px;background:transparent;color:var(--ink2);font:700 .94rem/1.15 var(--sans);cursor:pointer;padding:4px 8px}
.tabs2 button[aria-selected=true]{background:var(--ink);color:#fffef5}
.msg{font-size:.92rem;font-weight:500;line-height:1.4}
.msg:empty{display:none}
.msg.err{margin-top:14px;background:#fde6dd;color:#7a1a08;border:1.5px solid #7a1a08;border-radius:10px;padding:10px 14px}
.row{margin-top:16px}
.row label,.calc label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}
.row input,.calc input{width:100%;min-height:50px;padding:0 14px;border:1.5px solid #8d8a5c;border-radius:10px;background:#fff;color:var(--ink);font:400 1rem var(--sans)}
.row input:focus,.calc input:focus{outline:0;border-color:var(--ink);box-shadow:0 0 0 4px var(--yel)}
.note{font-size:.84rem;line-height:1.45;color:var(--mut);margin-top:8px}
.form form .btn{width:100%;min-height:54px;margin-top:18px;font-size:1.03rem}
.form form>.note{text-align:center;margin-top:12px}
.keyout{display:none}
.keyout.on{display:block}
.keyout h3{font-size:1.2rem;margin-bottom:12px}
.keybox{display:flex;align-items:center;gap:10px;background:var(--code);border-radius:12px;padding:8px 8px 8px 14px}
.keybox span{flex:1;min-width:0;color:var(--yel);font:400 .78rem/1.5 var(--mono);overflow-wrap:anywhere}
.keybox .btn{flex:none;box-shadow:none;border-color:var(--yel)}
.keyout>p{margin-top:12px;font-size:.94rem;line-height:1.9}
.keyout>p.note{line-height:1.45;font-size:.84rem}
.mut{color:var(--mut)}
.acts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* calculator + examples */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1.1fr);gap:18px;align-items:stretch}
.calc>div{min-width:0;display:flex;flex-direction:column;justify-content:flex-end}
.calc input{font:600 1.05rem var(--mono);min-height:58px}
.calc>div:last-child{background:var(--yel);border:1.5px solid var(--ink);border-radius:14px;padding:14px 18px;justify-content:space-between}
.calc output{display:block;font:600 clamp(1.7rem,3vw,2.4rem)/1.1 var(--mono);letter-spacing:-.04em;overflow-wrap:anywhere}
.examples{counter-reset:x}
.ex{counter-increment:x;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:6px 28px;padding:20px 0;border-top:1.5px solid var(--line)}
.ex:first-child{border-top:0;padding-top:0}
.ex h3::before{content:counter(x,decimal-leading-zero);display:block;width:max-content;font:600 .68rem/1 var(--mono);background:var(--ink);color:var(--yel);padding:5px 7px;border-radius:5px;margin-bottom:10px}
.ex p{margin:0;font:400 .82rem/1.75 var(--mono);background:var(--tint);border:1px solid var(--line);border-radius:10px;padding:14px 16px;overflow-wrap:anywhere;color:var(--ink)}

/* page heads */
.phead .lead{max-width:70ch}
.phead h1{max-width:22ch}
.art h1{max-width:24ch}

/* 404 */
.nf{text-align:center;padding:40px 0}
.nf .lead{margin-left:auto;margin-right:auto}
.nf .acts2{justify-content:center}
.big404{font:600 clamp(4rem,16vw,9rem)/1 var(--mono);letter-spacing:-.06em;-webkit-text-stroke:2px var(--ink);color:var(--yel);margin-bottom:18px}

/* footer */
.foot{max-width:1212px;margin:0 auto;padding:34px 16px 44px}
.fin{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px 48px;border-top:1.5px solid var(--ink);padding-top:28px}
.foot .logo{color:var(--ink)}
.foot .logo:hover{color:var(--link)}
.foot .mark rect:first-child{fill:var(--ink)}
.foot .mark path:last-of-type{stroke:var(--yel)}
.foot .mark rect:last-child{fill:var(--yel)}
.fb p{color:var(--ink2);margin-top:6px;max-width:40ch}
.fl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.fl a{display:flex;align-items:center;min-height:44px;color:var(--ink);font-weight:500;border-bottom:1px solid #c4c195;text-decoration:none}
.fl a:hover{border-bottom-color:var(--ink)}
.legal{grid-column:1/-1;font-size:.84rem;line-height:1.55;color:var(--mut)}

/* responsive */
@media (max-width:1290px){
.ix{right:22px;top:-1.5px;width:auto;height:30px;padding:0 11px;writing-mode:horizontal-tb;border:1.5px solid var(--ink);border-top:0;border-radius:0 0 9px 9px}
}
@media (max-width:1020px){
.hero,.keyhero{grid-template-columns:minmax(0,1fr);gap:34px}
.keyhero{gap:26px}
.keyhero .plate{grid-column:auto;grid-row:auto}
.kf .facts{margin-top:0}
.plate{max-width:560px;width:100%}
.facts{grid-template-columns:repeat(3,minmax(0,1fr))}
.facts li:nth-child(n+4){border-top:1.5px solid var(--line)}
.facts li:nth-child(4){border-left:0}
.facts li:nth-child(5){grid-column:span 2}
.facts.mini{grid-template-columns:repeat(2,minmax(0,1fr))}
.facts.mini li:nth-child(5){grid-column:1/-1}
.facts.mini li:nth-child(4){border-left:1.5px solid var(--line)}
.split{grid-template-columns:minmax(0,1fr)}
.rail{border-right:0;padding-right:0}
.rail.sticky{position:static;max-height:none;overflow:visible}
.sidecta{display:none}
.toc{background:var(--tint);border:1.5px solid var(--line);border-radius:12px;padding:16px 14px 8px}
.ctab{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:900px){
.burger{display:inline-flex}
.nav{display:none;position:absolute;left:16px;right:16px;top:calc(100% + 8px);margin:0;flex-direction:column;gap:2px;background:var(--ink);border-radius:20px;padding:10px;box-shadow:0 18px 30px -16px rgba(23,22,10,.8)}
.nav.open{display:flex}
.nav a{min-height:48px;font-size:1.02rem}
}
@media (max-width:700px){
body{font-size:1rem}
main{padding:14px 12px 0;gap:14px}
.top{padding:0 12px}
.sheet{padding:44px 20px 28px;border-radius:16px}
.params,.notes,.steps,.calc,.ex,.fin{grid-template-columns:minmax(0,1fr)}
.param:nth-child(2){border-top:1.5px solid var(--line);padding-top:20px}
.param:nth-child(2)::before{top:23px}
.steps{gap:0}
.steps li{padding:2px 0 26px 62px}
.steps li::after{left:21px;right:auto;top:44px;bottom:0;border-top:0;border-left:2px dashed #8d8a5c}
.steps li:last-child::after{display:none}
.steps li:last-child{padding-bottom:0}
.facts{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:30px}
.facts li{padding:14px 14px 13px;border-top:1.5px solid var(--line)}
.facts li:nth-child(-n+2){border-top:0}
.facts li:nth-child(odd){border-left:0}
.facts li:nth-child(even){border-left:1.5px solid var(--line)}
.facts li:nth-child(5){grid-column:1/-1}
.facts b,.facts.price b{font-size:1.25rem}
.facts.price li{padding:16px 14px}
.lead{font-size:1.06rem}
.rail h2{font-size:1.45rem}
.prose h2{font-size:1.38rem}
.read .prose{font-size:1.04rem}
.faq details p{padding-right:0}
.form{padding:16px}
.plate{padding:7px;border-radius:19px}
.acts2 .btn{flex:1 1 auto}
.foot{padding:26px 12px 36px}
pre.code{font-size:.72rem}
}
@media (max-width:560px){
.top .logo span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.top .cta{padding:0 14px;font-size:.9rem}
.fl{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
*,*::before,*::after{transition:none!important;animation:none!important}
}
@media print{.top,.ix,.copy{display:none}}