:root{--ink:#221a4d;--mut:#554e82;--v:#6a45dc;--v2:#9549dc;--vd:#4b2fb0;--milk:#f6f4ff;--lil:#ece7ff;--lil2:#ddd5ff;--sky:#e6f1ff;--rose:#ffeaf3;--lemon:#ffe27a;--plate:#1f1842;--line:#e3ddfb;--sh:0 18px 40px -22px rgba(74,47,176,.45);--d:"Poppins",system-ui,sans-serif;--b:"Mulish",system-ui,sans-serif;--m:"Red Hat Mono",ui-monospace,Menlo,Consolas,monospace}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font:400 17px/1.65 var(--b);color:var(--ink);background:var(--milk);overflow-x:hidden}
img,svg{max-width:100%}
[hidden]{display:none!important}
h1,h2,h3{font-family:var(--d);font-weight:700;line-height:1.14;letter-spacing:-.02em;margin:0;overflow-wrap:break-word}
p{margin:0 0 1em}
a{color:var(--vd);text-underline-offset:3px}
a:hover{color:var(--v)}
:focus-visible{outline:3px solid var(--v);outline-offset:3px;border-radius:10px}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;z-index:99;background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px}
.skip:focus{left:12px;color:#fff}
[id]{scroll-margin-top:96px}

/* header */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;background:linear-gradient(90deg,#cbbfff,#bfdcff 35%,#ffcfe4 70%,var(--lemon));pointer-events:none}
.top-in{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;font:700 1.06rem/1 var(--d);letter-spacing:-.02em;color:var(--ink);text-decoration:none;min-width:0}
.logo span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logo small{font-size:1em;color:var(--v)}
.mark{flex:none;border-radius:11px}
.nav{display:flex;align-items:center;gap:16px;margin-left:auto}
.seg{display:flex;gap:2px;padding:4px;border-radius:999px;background:var(--lil)}
.seg a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;font-weight:700;font-size:.95rem;color:var(--ink);text-decoration:none;white-space:nowrap;transition:background .15s}
.seg a:hover{background:rgba(255,255,255,.7)}
.seg a[aria-current]{background:#fff;color:var(--vd);box-shadow:0 4px 12px -6px rgba(74,47,176,.6)}
.burger{display:none;margin-left:auto;width:48px;height:48px;border:0;border-radius:50%;background:var(--lil);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;padding:0;font-size:0}
.burger svg{fill:currentColor}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:48px;padding:10px 12px 10px 24px;border:0;border-radius:999px;background:linear-gradient(120deg,var(--v),var(--v2));color:#fff;font:700 1rem/1.2 var(--b);text-decoration:none;text-align:center;cursor:pointer;box-shadow:0 14px 26px -14px rgba(106,69,220,.9);transition:transform .15s,box-shadow .15s}
.btn::after{content:"";flex:none;width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 38% 62%,var(--v) 0 4px,transparent 4.6px),#fff}
.btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 30px -14px rgba(106,69,220,1)}
.btn:active{transform:none}
.btn.big{min-height:58px;padding:12px 14px 12px 30px;font-size:1.08rem}
.btn.big::after{width:32px;height:32px;background:radial-gradient(circle at 38% 62%,var(--v) 0 5px,transparent 5.6px),#fff}
.btn.ghost{background:#fff;color:var(--vd);box-shadow:inset 0 0 0 2px var(--lil2)}
.btn.ghost::after{background:radial-gradient(circle at 38% 62%,var(--v) 0 4px,transparent 4.6px),var(--lil)}
.btn.ghost.big::after{background:radial-gradient(circle at 38% 62%,var(--v) 0 5px,transparent 5.6px),var(--lil)}
.btn.ghost:hover{color:var(--vd);box-shadow:inset 0 0 0 2px var(--v)}
.btn.inv{background:#fff;color:var(--vd);box-shadow:0 14px 26px -14px rgba(20,10,60,.7)}
.btn.inv::after{background:radial-gradient(circle at 38% 62%,#fff 0 4px,transparent 4.6px),var(--v)}
.btn.inv.big::after{background:radial-gradient(circle at 38% 62%,#fff 0 5px,transparent 5.6px),var(--v)}
.btn.sm{min-height:44px;padding:8px 18px;font-size:.92rem;box-shadow:none}
.btn.sm::after{display:none}
.btn[disabled]{opacity:.6;cursor:wait}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* bands: tucked sheets */
.band{position:relative;border-radius:56px 56px 0 0;margin-top:-56px;padding:96px 0 152px;background:#fff}
.band.first{margin-top:0;border-radius:0;padding-top:64px}
.band.slim{padding-top:52px;padding-bottom:116px}
.b-hero{background:radial-gradient(60% 70% at 92% 8%,#ffdcec 0,rgba(255,220,236,0) 70%),radial-gradient(50% 60% at 4% 0,#d8e9ff 0,rgba(216,233,255,0) 70%),linear-gradient(180deg,#efeaff,#f6f4ff)}
.b-white{background:#fff}
.b-sky{background:linear-gradient(180deg,var(--sky),#f1f5ff)}
.b-rose{background:linear-gradient(180deg,var(--rose),#fff4f8)}
.b-milk{background:linear-gradient(180deg,#f1edff,var(--milk))}
.b-faq{background:#fff}
.b-cta{background:linear-gradient(180deg,var(--lil),#f3efff);padding-top:80px}
.sec-h{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;margin:0 auto 48px;max-width:760px}
.sec-h h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
.orn{display:inline-flex;align-items:center;width:52px;height:26px;padding:4px;border-radius:999px;background:var(--lil2);flex:none}
.orn i{width:18px;height:18px;border-radius:50%;background:var(--v);box-shadow:26px 0 0 -5px var(--lemon)}
.b-rose .orn{background:#ffd0e3}.b-sky .orn{background:#cfe2ff}

/* hero */
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);gap:56px;align-items:center}
.hero-grid>*,.key-grid>*,.doc-grid>*,.art-grid>*,.grid>*{min-width:0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;margin:0 0 20px;padding:6px 16px 6px 8px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px var(--lil2);font-weight:700;font-size:.9rem;color:var(--vd)}
.eyebrow::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:radial-gradient(circle,var(--v) 0 4px,transparent 4.6px),var(--lemon)}
h1{font-size:clamp(2.1rem,4.3vw,3.5rem);line-height:1.07}
.lead{font-size:1.16rem;color:var(--mut);margin:20px 0 0;max-width:60ch}
.ticks{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:12px}
.ticks li{position:relative;padding-left:38px;font-weight:600}
.ticks li::before{content:"";position:absolute;left:0;top:.12em;width:24px;height:24px;border-radius:50%;background:radial-gradient(circle,var(--v) 0 4.5px,transparent 5px),var(--lil2)}
.try{display:flex;align-items:center;gap:10px;margin:0 0 12px 28px;font:600 .95rem var(--d);color:var(--vd)}
.try::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--v)}
.nest{position:relative;padding:14px;border-radius:46px;background:linear-gradient(135deg,#d6ccff,#cfe3ff 48%,#ffd3e6)}
.nest::before{content:"";position:absolute;left:-12px;bottom:-12px;width:44px;height:44px;border-radius:50%;background:var(--lemon);box-shadow:0 8px 18px -8px rgba(160,120,0,.6);z-index:2}
.nest::after{content:"";position:absolute;left:1px;bottom:1px;width:18px;height:18px;border-radius:50%;background:var(--ink);z-index:3}
.nest2{padding:12px;border-radius:34px;background:rgba(255,255,255,.72)}

/* facts */
.facts{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px}
.facts.mini .fact:last-child:nth-child(odd){grid-column:1/-1}
.fact{display:flex;align-items:center;gap:12px;padding:7px 18px 7px 7px;border-radius:999px;background:rgba(255,255,255,.6);box-shadow:inset 0 0 0 1.5px var(--lil2);min-width:0}
.fact b{flex:none;max-width:62%;padding:11px 16px;border-radius:999px;background:#fff;font:700 1.02rem/1.15 var(--d);color:var(--vd);box-shadow:0 8px 16px -10px rgba(74,47,176,.7);overflow-wrap:anywhere}
.fact span{font-size:.88rem;line-height:1.25;font-weight:600;color:var(--mut);min-width:0}
.facts.mini{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px}
.facts.maxi{margin-top:44px;gap:18px;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}
.facts.maxi .fact{flex-direction:column;align-items:stretch;gap:14px;padding:10px 10px 22px;border-radius:36px;text-align:center;background:rgba(255,255,255,.7)}
.facts.maxi .fact b{max-width:none;padding:22px 12px;border-radius:28px;font-size:clamp(1.3rem,2.1vw,1.75rem)}
.facts.maxi .fact span{font-size:.98rem;padding:0 8px}

/* code */
pre.code{position:relative;margin:1.4em 0;padding:60px 22px 22px;border-radius:24px;background:var(--plate);color:#ece8ff;font:400 .88rem/1.7 var(--m);overflow-x:auto;max-width:100%;white-space:pre;tab-size:2}
pre.code code{font:inherit;background:none;padding:0;color:inherit;border-radius:0;white-space:inherit}
pre.code .k{color:#bfaeff}pre.code .s{color:#a4ebcf}pre.code .c{color:#a79fd4;font-style:italic}
.copy{position:absolute;top:10px;right:10px;min-height:44px;min-width:44px;padding:0 16px;border:0;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font:700 .82rem var(--b);cursor:pointer}
.copy:hover{background:var(--v)}
.codebox{border-radius:24px;background:var(--plate);overflow:hidden;min-width:0}
.codetabs{display:flex;gap:2px;margin:12px 12px 0;padding:4px;border-radius:999px;background:rgba(255,255,255,.09);width:max-content;max-width:calc(100% - 24px)}
.codetabs button{min-height:44px;padding:0 18px;border:0;border-radius:999px;background:none;color:#cfc8f5;font:700 .9rem var(--b);cursor:pointer}
.codetabs button[aria-selected="true"]{background:#fff;color:var(--vd)}
.codebox pre.code{margin:0;border-radius:0;background:none;padding:14px 22px 24px;min-height:250px}
.codebox .copy{top:-48px;right:16px}
.codebox [data-pane]{position:relative}
.codebox pre.code{position:static}

/* cards */
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{position:relative;padding:30px 28px 28px;border-radius:32px;background:var(--milk);box-shadow:inset 0 0 0 1.5px var(--line)}
.card h3{font-size:1.2rem;margin:18px 0 10px}
.card p{margin:0;color:var(--mut);font-size:.98rem}
.gl{display:block}
.gl-r{fill:var(--lil2)}.gl-d{fill:var(--v)}
.card.t1{background:#f0f6ff;box-shadow:inset 0 0 0 1.5px #d6e6ff}.card.t1 .gl-r{fill:#cfe2ff}
.card.t2{background:#fff3f8;box-shadow:inset 0 0 0 1.5px #ffd9e8}.card.t2 .gl-r{fill:#ffd0e3}
.card.t3{background:#fffbea;box-shadow:inset 0 0 0 1.5px #f6e7a6}.card.t3 .gl-r{fill:#ffe994}
.b-rose .card,.b-sky .card{background:#fff;box-shadow:var(--sh)}
.wide .card{display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:20px;border-radius:40px;padding:28px 32px}
.wide .card .gl{grid-row:1/3}
.wide .card h3{margin-top:6px}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;left:36px;right:36px;top:26px;height:20px;border-radius:999px;background:rgba(255,255,255,.75);box-shadow:inset 0 0 0 1.5px #cfe2ff}
.steps li{position:relative;counter-increment:s;min-width:0}
.num{display:flex;align-items:center;justify-content:center;width:72px;height:72px;border-radius:50%;background:#cfe2ff;position:relative}
.num::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:#fff;font:700 1.3rem var(--d);color:var(--vd);box-shadow:0 8px 16px -10px rgba(74,47,176,.7)}
.steps h3{font-size:1.25rem;margin:22px 0 10px}
.steps p{margin:0;color:var(--mut)}
.ex{counter-reset:s}.ex .card{counter-increment:s}.ex .num{width:60px;height:60px;background:var(--lil2)}.ex .num::before{width:40px;height:40px;font-size:1.1rem}

/* prose */
.sheet{max-width:820px;margin:0 auto;padding:52px 56px;border-radius:44px;background:#fff;box-shadow:var(--sh)}
.sheet.flat{box-shadow:none;padding:0;border-radius:0}
.prose{min-width:0;overflow-wrap:break-word}
.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}
.prose h2{font-size:clamp(1.45rem,2.4vw,1.9rem);margin:2em 0 .7em;padding-left:22px;position:relative}
.prose h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:8px;border-radius:999px;background:linear-gradient(180deg,var(--v),#ff9fc6)}
.prose h3{font-size:1.2rem;margin:1.7em 0 .5em}
.prose p,.prose li{color:#3a3268}
.prose ul,.prose ol{padding-left:0;margin:0 0 1.2em;list-style:none;display:grid;gap:8px}
.prose ul>li{position:relative;padding-left:30px}
.prose ul>li::before{content:"";position:absolute;left:0;top:.38em;width:18px;height:18px;border-radius:50%;background:radial-gradient(circle,var(--v) 0 3.2px,transparent 3.8px),var(--lil2)}
.prose ol{counter-reset:o}
.prose ol>li{position:relative;padding-left:40px;counter-increment:o}
.prose ol>li::before{content:counter(o);position:absolute;left:0;top:.05em;width:28px;height:28px;border-radius:50%;background:var(--lil);color:var(--vd);font:700 .85rem/28px var(--d);text-align:center}
.prose code,.chip-code{font:500 .88em var(--m);background:var(--lil);color:var(--vd);padding:.18em .5em;border-radius:8px;overflow-wrap:anywhere}
.prose table{display:block;overflow-x:auto;max-width:100%;border-collapse:separate;border-spacing:0;margin:1.5em 0;font-size:.95rem;border-radius:22px;box-shadow:inset 0 0 0 1.5px var(--line)}
.prose th,.prose td{padding:13px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);min-width:130px}
.prose th{font-family:var(--d);font-weight:600;background:var(--lil);color:var(--ink);white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
.prose tbody tr:nth-child(even) td{background:#faf8ff}
.prose blockquote{margin:1.4em 0;padding:18px 24px;border-radius:26px;background:var(--rose)}
.long{font-size:1.09rem;line-height:1.75;max-width:740px}

/* page heads */
.page-head{max-width:860px}
.page-head.center{margin:0 auto;text-align:center}
.page-head.center .lead{margin-left:auto;margin-right:auto}
.page-head.center .eyebrow{margin:26px 0 0}
.page-head h1{font-size:clamp(2rem,3.8vw,3.1rem)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 18px;font-size:.9rem;font-weight:700}
.center .crumbs{justify-content:center}
.crumbs a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.8);box-shadow:inset 0 0 0 1.5px var(--lil2);text-decoration:none}
.crumbs i{width:8px;height:8px;border-radius:50%;background:var(--v)}
.crumbs span{color:var(--mut)}
.endpoint{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0}
.chip-code{display:inline-block;padding:.6em 1.1em;border-radius:999px;background:var(--plate);color:#ece8ff;font-size:.86rem;max-width:100%}
.chip-code.alt{background:#fff;color:var(--vd);box-shadow:inset 0 0 0 1.5px var(--lil2)}
.stamp{display:inline-flex;gap:8px;margin:24px 0 0;padding:8px 18px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1.5px var(--lil2);font-size:.9rem;font-weight:700;color:var(--mut)}
.stamp time{color:var(--vd)}

/* key page */
.key-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,500px);grid-template-areas:"head form" "rest form";column-gap:64px;align-items:start}
.key-head{grid-area:head;align-self:end}.key-form{grid-area:form}.key-rest{grid-area:rest}
.key-head h1{font-size:clamp(2rem,3.7vw,3rem)}
.form{padding:28px;border-radius:24px;background:#fff}
.tabs2{display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:4px;border-radius:999px;background:var(--lil);margin-bottom:20px}
.tabs2 button{min-height:46px;padding:0 10px;border:0;border-radius:999px;background:none;color:var(--mut);font:700 .95rem var(--b);cursor:pointer}
.tabs2 button[aria-selected="true"]{background:#fff;color:var(--vd);box-shadow:0 6px 14px -8px rgba(74,47,176,.7)}
.msg{display:none;margin:0 0 16px;padding:12px 18px;border-radius:20px;background:var(--lil);font-weight:600;font-size:.95rem}
.msg:not(:empty){display:block}
.msg.err{display:block;background:#ffe3ec;color:#8f0f3f;box-shadow:inset 0 0 0 1.5px #ffb5cc}
.msg.err:empty{display:none}
.row{margin-bottom:16px}
.row label,.calc label{display:block;margin:0 0 6px 16px;font-weight:700;font-size:.92rem}
.row input,.calc input{display:block;width:100%;min-height:54px;padding:0 20px;border:2px solid var(--lil2);border-radius:999px;background:#fbfaff;color:var(--ink);font:600 1.02rem var(--b);transition:border-color .15s,box-shadow .15s}
.row input:focus,.calc input:focus{outline:0;border-color:var(--v);box-shadow:0 0 0 5px rgba(106,69,220,.18);background:#fff}
.note{margin:8px 0 0 16px;font-size:.86rem;color:var(--mut)}
.form form .btn{width:100%;min-height:58px;margin-top:6px;font-size:1.04rem;padding-left:20px}
.form form>.note{text-align:center;margin:14px 0 0}
.keyout{display:none}.keyout.on{display:block}
.keyout h3{font-size:1.3rem;margin-bottom:14px}
.keybox{display:flex;align-items:center;gap:10px;padding:8px 8px 8px 20px;border-radius:26px;background:var(--plate);color:#ece8ff}
.keybox span{flex:1;min-width:0;font:500 .9rem/1.4 var(--m);overflow-wrap:anywhere}
.keybox .btn{flex:none;background:#fff;color:var(--vd)}
.keyout p{margin:14px 0 0;font-size:.95rem;line-height:1.9}
.keyout p.note{margin-left:0;line-height:1.5}
.keyout code{font:500 .86rem var(--m);background:var(--lil);color:var(--vd);padding:.2em .55em;border-radius:8px;overflow-wrap:anywhere}
.mut{color:var(--mut)}
.acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}

/* calc */
.calc-wrap{max-width:980px;margin:0 auto;padding:14px;border-radius:50px;background:linear-gradient(135deg,#d6ccff,#cfe3ff 48%,#ffd3e6)}
.calc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;align-items:stretch;padding:26px;border-radius:38px;background:#fff;box-shadow:none}
.calc>div{min-width:0;display:flex;flex-direction:column;justify-content:flex-end}
.calc>div:last-child{padding:16px 22px;border-radius:30px;background:linear-gradient(120deg,var(--v),var(--v2));color:#fff;justify-content:center}
.calc>div:last-child label{margin:0 0 4px;color:#fff;font-weight:600}
.calc output{display:block;font:700 clamp(1.7rem,3vw,2.3rem)/1.1 var(--d);overflow-wrap:anywhere}

/* docs + article */
.doc-grid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:56px;align-items:start}
.doc-side,.art-side{position:sticky;top:100px;display:grid;gap:20px}
.art-grid{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:64px;align-items:start}
.toc{padding:22px 14px 14px;border-radius:32px;background:var(--milk);box-shadow:inset 0 0 0 1.5px var(--line);max-height:calc(100vh - 330px);overflow:auto}
.toc-h{margin:0 0 10px 14px;font:700 .95rem var(--d);color:var(--vd)}
.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.toc a{display:flex;align-items:center;gap:10px;min-height:44px;padding:8px 14px;border-radius:22px;font-size:.93rem;line-height:1.3;font-weight:600;color:var(--ink);text-decoration:none}
.toc a::before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--lil2);transition:transform .15s,background .15s}
.toc a:hover{background:#fff;color:var(--vd)}
.toc a:hover::before{background:var(--v);transform:scale(1.6)}
.side{padding:24px;border-radius:32px;background:linear-gradient(140deg,#e2dbff,#ffe1ee)}
.side-h{font:700 1.1rem/1.25 var(--d);margin:0 0 8px}
.side p{font-size:.93rem;color:#3a3268}
.side .btn{width:100%;margin-top:4px}
.take{margin:0 0 44px;padding:30px 32px;border-radius:38px;background:linear-gradient(135deg,#ece6ff,#e4f0ff 55%,#ffe9f2);max-width:740px}
.take-h{display:flex;align-items:center;gap:12px;margin:0;font:700 1.15rem var(--d)}
.take .ticks{margin-top:18px}
.take .ticks li::before{background:radial-gradient(circle,var(--v) 0 4.5px,transparent 5px),#fff}

/* faq */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.qa{border-radius:34px;background:var(--milk);box-shadow:inset 0 0 0 1.5px var(--line);transition:background .2s}
.qa[open]{background:linear-gradient(135deg,#f0ebff,#fff0f6)}
.qa summary{display:flex;align-items:center;gap:16px;min-height:68px;padding:12px 26px 12px 14px;font:600 1.06rem/1.3 var(--d);cursor:pointer;list-style:none;border-radius:34px}
.qa summary::-webkit-details-marker{display:none}
.qm{flex:none;width:40px;height:40px;border-radius:50%;background:radial-gradient(circle,var(--v) 0 5px,transparent 5.6px),var(--lil2);transition:background .2s}
.qa[open] .qm{background:radial-gradient(circle,var(--v) 0 14px,transparent 14.6px),var(--lil2)}
.qa p{margin:0;padding:0 28px 24px 70px;color:#3a3268}

/* cta + footer */
.cta-cap{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:48px 56px;border-radius:64px;background:linear-gradient(120deg,#5a38cf,#8a47dc 60%,#c556b9);color:#fff}
.cta-txt{position:relative;z-index:1;min-width:0;max-width:640px}
.cta-cap h2{font-size:clamp(1.6rem,3vw,2.3rem);color:#fff}
.cta-cap p{margin:12px 0 0;color:#f1ecff;font-size:1.06rem}
.cta-cap .btn{position:relative;z-index:1;flex:none}
.ring{position:absolute;border-radius:50%;border:26px solid rgba(255,255,255,.1);pointer-events:none}
.r1{width:300px;height:300px;right:-70px;top:-110px}
.r2{width:120px;height:120px;right:150px;bottom:-60px;border-width:0;background:rgba(255,226,122,.3)}
.foot{position:relative;border-radius:56px 56px 0 0;margin-top:-56px;padding:72px 0 44px;background:#1c1542;color:#d3ccf5}
.foot-in{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px 56px}
.foot .logo{color:#fff}.foot .logo small{color:#bfaeff}
.foot-brand p{margin:14px 0 22px;max-width:36ch}
.foot-links{list-style:none;margin:0;padding:0;columns:2;column-gap:32px}
.foot-links li{break-inside:avoid}
.foot-links a{display:inline-flex;align-items:center;min-height:44px;color:#ebe6ff;font-weight:600;text-decoration:none}
.foot-links a:hover{color:var(--lemon);text-decoration:underline}
.legal{grid-column:1/-1;margin:0;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);font-size:.86rem;color:#bdb5e6}

/* 404 */
.nf{position:relative;text-align:center;max-width:720px;margin:0 auto;padding:60px 0 40px}
.nf .lead{margin-left:auto;margin-right:auto}
.nf .cta-row{justify-content:center}
.nf-rings{position:relative;width:150px;height:150px;margin:0 auto 36px}
.nf-rings i{position:absolute;border-radius:50%}
.nf-rings i:nth-child(1){inset:0;background:var(--lil2)}
.nf-rings i:nth-child(2){inset:22px;background:#fff}
.nf-rings i:nth-child(3){left:38px;bottom:38px;width:30px;height:30px;background:var(--v)}

@media (max-width:1080px){
.hero-grid{grid-template-columns:minmax(0,1fr);gap:40px}
.facts{grid-template-columns:repeat(2,minmax(0,1fr))}
.facts .fact:last-child:nth-child(odd){grid-column:1/-1}
.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
.key-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "form" "rest";row-gap:24px}
.key-form{max-width:560px;width:100%}
.doc-grid,.art-grid{grid-template-columns:minmax(0,1fr);gap:32px}
.doc-side,.art-side{position:static}
.art-side{order:-1}
.toc{max-height:none}
.side{display:none}
}
@media (max-width:900px){
.burger{display:inline-flex}
.nav{display:none;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;align-items:stretch;gap:12px;padding:16px 18px 22px;background:#fff;border-radius:0 0 32px 32px;box-shadow:0 26px 40px -22px rgba(34,26,77,.5)}
.nav.open{display:flex}
.seg{flex-direction:column;border-radius:26px;padding:6px}
.seg a{min-height:48px}
.nav .btn{width:100%}
.g3,.steps{grid-template-columns:minmax(0,1fr)}
.steps::before{left:26px;right:auto;top:36px;bottom:36px;width:20px;height:auto}
.steps li{padding-left:92px;min-height:72px}
.steps .num{position:absolute;left:0;top:0}
.steps h3{margin-top:8px}
.calc{grid-template-columns:minmax(0,1fr)}
.cta-cap{flex-direction:column;align-items:flex-start;padding:40px 32px;border-radius:44px}
.foot-in{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
body{font-size:16px}
.wrap{padding:0 18px}
.band{border-radius:36px 36px 0 0;margin-top:-36px;padding:60px 0 96px}
.band.first{padding-top:36px}
.band.slim{padding-top:28px;padding-bottom:84px}
.b-cta{padding-top:52px}
.foot{border-radius:36px 36px 0 0;margin-top:-36px;padding-top:52px}
.top-in{min-height:64px;gap:10px}
.sec-h{margin-bottom:32px}
h1,.page-head h1,.key-head h1{font-size:clamp(1.75rem,8vw,2.2rem)}
.lead{font-size:1.05rem}
.g2,.g4,.facts,.facts.mini{grid-template-columns:minmax(0,1fr)}
.facts{margin-top:40px}
.facts.maxi{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.facts.maxi .fact{border-radius:28px;padding:8px 8px 16px}
.facts.maxi .fact b{padding:16px 8px;border-radius:22px}
.nest{padding:8px;border-radius:32px}.nest2{padding:6px;border-radius:26px}
.nest::before{width:34px;height:34px;left:-8px;bottom:-10px}.nest::after{width:14px;height:14px;left:2px;bottom:0}
.codebox{border-radius:20px}
.codetabs button{padding:0 14px}
.codebox pre.code{padding:58px 16px 20px;font-size:.8rem}
.codebox .copy{top:6px;right:10px}
pre.code{padding:58px 16px 18px;border-radius:20px;font-size:.82rem}
.form{padding:20px 16px;border-radius:20px}
.key-grid{row-gap:18px}
.crumbs{margin-bottom:10px}
.cta-row .btn{flex:1 1 100%}
.card{padding:24px 22px;border-radius:28px}
.wide .card{grid-template-columns:minmax(0,1fr);border-radius:28px;padding:24px 22px}
.wide .card h3{margin-top:16px}
.sheet{padding:30px 20px;border-radius:30px}
.sheet.flat{padding:0}
.calc-wrap{padding:8px;border-radius:36px}.calc{padding:18px;border-radius:28px}
.take{padding:24px 20px;border-radius:28px}
.qa summary{padding:10px 18px 10px 10px;font-size:1rem}
.qa p{padding:0 20px 22px 20px}
.cta-cap{padding:34px 24px;border-radius:36px}
.cta-cap .btn{width:100%}
.foot-links{columns:1}
.prose th,.prose td{padding:11px 14px}
}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}html{scroll-behavior:auto}.btn:hover{transform:none}}