/* chub-ai.pl - arkusz stylów */
:root{
  --abyss:#000E1C;
  --navy:#001529;
  --deep:#06203D;
  --panel:#0B2747;
  --panel-2:#12325A;
  --rule:rgba(242,228,214,.12);
  --rule-strong:rgba(242,228,214,.22);
  --sand:#F2E4D6;
  --text:#E6DFD6;
  --muted:#A9B4C6;
  --violet:#6D57DC;
  --violet-hi:#9A86F5;
  --lilac:#C3B5FF;
  --peach:#F4B58C;
  --alert:#E2585A;
  --radius:18px;
  --radius-sm:10px;
  --head:"Sora",system-ui,sans-serif;
  --body:"Manrope",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --shell:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--navy);color:var(--text);font:400 17px/1.7 var(--body);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--lilac);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:#fff}
h1,h2,h3{font-family:var(--head);color:var(--sand);line-height:1.18;letter-spacing:-.015em;margin:0}
h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;margin-bottom:18px}
h3{font-size:1.2rem;font-weight:600;margin:34px 0 12px}
p{margin:0 0 18px}
.shell{max-width:var(--shell);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--violet);color:#fff;padding:8px 14px;border-radius:8px;z-index:60}
.skip:focus{left:12px}

/* przyciski */
.btn{background:transparent;cursor:pointer;display:inline-flex;align-items:center;gap:8px;font:600 15px/1 var(--body);padding:13px 22px;border-radius:999px;text-decoration:none;border:1.5px solid transparent;transition:transform .15s,background .15s,border-color .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:var(--violet);color:#fff;box-shadow:0 8px 24px -10px rgba(109,87,220,.9)}
.btn--solid:hover{background:#7C67EA;color:#fff}
.btn--line{border-color:var(--rule-strong);color:var(--sand)}
.btn--line:hover{border-color:var(--lilac);color:#fff}
.btn--sm{padding:10px 18px;font-size:14px}

/* górny pasek */
.topbar{position:sticky;top:0;z-index:40;background:rgba(0,21,41,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.topbar__in{display:flex;align-items:center;gap:28px;height:68px}
.mark img{height:34px;width:auto}
.topnav{display:flex;gap:22px;margin-left:auto}
.topnav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}
.topnav a:hover{color:var(--sand)}

/* intro (hero) */
.intro{position:relative;padding:72px 0 64px;overflow:hidden;border-bottom:1px solid var(--rule)}
.intro::before{content:"";position:absolute;width:760px;height:760px;right:-180px;top:-260px;background:radial-gradient(circle,rgba(109,87,220,.42),rgba(109,87,220,0) 65%);pointer-events:none}
.intro::after{content:"";position:absolute;width:520px;height:520px;left:-200px;bottom:-300px;background:radial-gradient(circle,rgba(244,181,140,.14),rgba(244,181,140,0) 65%);pointer-events:none}
.intro__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center}
.intro h1{font-size:clamp(2rem,3.9vw,3.05rem);font-weight:800;margin-bottom:24px;text-wrap:balance}
.intro h1 .tone{color:var(--lilac);font-weight:700}
.intro__p{font-size:1.08rem;color:var(--text);max-width:58ch}
.intro__p--first{font-size:1.18rem;color:var(--sand)}
.intro__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.intro__note{font:500 12.5px/1.4 var(--mono);color:var(--muted);margin:12px 0 0}
.intro__visual{justify-self:end;position:relative;max-width:440px;width:100%}
.intro__visual img{border-radius:28px;border:1px solid var(--rule-strong);box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 8px rgba(109,87,220,.14)}

/* układ z bocznym spisem treści */
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:56px;padding-top:48px;padding-bottom:40px}
.side{position:relative}
.side nav{position:sticky;top:92px;padding:20px 0}
.contents__title{font:600 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--sand);margin:0;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border:1px solid var(--rule-strong);border-radius:var(--radius-sm);background:var(--deep)}
.contents__title::-webkit-details-marker{display:none}
.contents__title::after{content:"";width:8px;height:8px;border-right:2px solid var(--lilac);border-bottom:2px solid var(--lilac);transform:rotate(45deg);margin-top:-4px;transition:transform .2s}
.contents[open] .contents__title::after{transform:rotate(225deg);margin-top:4px}
.contents[open] .contents__title{margin-bottom:14px}
.contents ol{list-style:none;margin:0;padding:0;counter-reset:c;border-left:1px solid var(--rule)}
.contents li{counter-increment:c}
.contents a{display:flex;gap:10px;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:14.5px;line-height:1.4}
.contents a::before{content:counter(c,decimal-leading-zero);font:500 12px/1.6 var(--mono);color:var(--violet-hi)}
.contents a:hover,.contents a.is-on{color:var(--sand);border-left-color:var(--violet-hi)}
.article{max-width:780px;min-width:0}
.block{padding:8px 0 44px;margin-bottom:44px;border-bottom:1px solid var(--rule);scroll-margin-top:90px}
.block:last-child{border-bottom:0}

/* elementy treści */
.callout{background:linear-gradient(135deg,rgba(109,87,220,.16),rgba(109,87,220,.05));border:1px solid rgba(154,134,245,.32);border-radius:var(--radius);padding:20px 24px;margin:26px 0}
.callout p:last-child{margin-bottom:0}
.callout__label{display:block;font:600 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:var(--peach);margin-bottom:10px}
.steps{list-style:none;padding:0;margin:26px 0;counter-reset:s}
.steps li{position:relative;counter-increment:s;padding:0 0 22px 62px;margin:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:12px;background:var(--panel-2);border:1px solid var(--rule-strong);display:grid;place-items:center;font:700 16px/1 var(--head);color:var(--lilac)}
.steps li::after{content:"";position:absolute;left:20px;top:46px;bottom:4px;width:1px;background:var(--rule-strong)}
.steps li:last-child::after{display:none}
.steps__t{display:block;font-family:var(--head);color:var(--sand);font-weight:600;margin-bottom:4px}
.steps p{margin:0}
.kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:26px 0}
.kv div{background:var(--deep);border:1px solid var(--rule);border-radius:var(--radius-sm);padding:16px 18px}
.kv dt{font:600 15px/1.3 var(--head);color:var(--sand);margin-bottom:6px}
.kv dd{margin:0;font-size:15px;color:var(--muted);line-height:1.55}
.chips{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:4px 0 24px}
.chips li{border:1px solid var(--rule-strong);border-radius:999px;padding:6px 14px;font-size:14px;color:var(--sand);background:rgba(255,255,255,.02)}
.pic{margin:30px 0}
.pic img{border-radius:var(--radius);border:1px solid var(--rule);width:100%;max-width:520px}
.tbl-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--rule);border-radius:var(--radius);background:var(--deep)}
.tbl{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5;min-width:560px}
.tbl th{text-align:left;font:600 13px/1.3 var(--head);color:var(--lilac);background:var(--panel);padding:14px 16px;border-bottom:1px solid var(--rule-strong)}
.tbl td{padding:14px 16px;border-bottom:1px solid var(--rule);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{color:var(--sand);font-weight:600}
.tbl--wide{min-width:720px}
.tbl caption{caption-side:bottom;text-align:left;padding:12px 16px;font-size:13px;color:var(--muted)}

.dates{font:500 13px/1.6 var(--mono);color:var(--muted);margin:28px 0 0;padding-top:18px;border-top:1px solid var(--rule)}
.dates a{color:var(--muted)}

/* pytania */
.faq{margin-top:8px}
.qa{border:1px solid var(--rule);border-radius:var(--radius-sm);background:var(--deep);margin-bottom:10px}
.qa summary{list-style:none;cursor:pointer;padding:18px 54px 18px 20px;position:relative}
.qa summary::-webkit-details-marker{display:none}
.qa summary h3{margin:0;font-size:1.05rem;font-weight:600}
.qa summary::after{content:"";position:absolute;right:20px;top:50%;width:12px;height:12px;margin-top:-8px;border-right:2px solid var(--lilac);border-bottom:2px solid var(--lilac);transform:rotate(45deg);transition:transform .2s}
.qa[open] summary::after{transform:rotate(225deg);margin-top:-2px}
.qa__a{padding:0 20px 6px}

/* autor */
.byline{display:grid;grid-template-columns:72px 1fr;gap:20px;background:var(--deep);border:1px solid var(--rule);border-radius:var(--radius);padding:24px;margin-top:8px}
.byline__face{width:72px;height:72px;border-radius:22px;background:linear-gradient(140deg,var(--violet),var(--peach));display:grid;place-items:center;font:700 22px/1 var(--head);color:#fff}
.byline__name{font:700 1.1rem/1.3 var(--head);color:var(--sand);margin:0}
.byline__role{font-size:14px;color:var(--lilac);margin:2px 0 12px}
.byline__links{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;margin:0}

/* końcowe wezwanie */
.final{margin:24px auto 72px}
.final__box{position:relative;overflow:hidden;border-radius:28px;padding:44px 48px;background:linear-gradient(120deg,#1B1460,#3A2C9E 55%,#6D57DC);display:flex;align-items:center;justify-content:space-between;gap:32px}
.final__box::after{content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;background:rgba(244,181,140,.18)}
.final__title{font:700 clamp(1.4rem,2.6vw,1.9rem)/1.2 var(--head);color:#fff;margin:0 0 8px}
.final__box p{margin:0;color:#E4DEFF;max-width:52ch}
.final__box .btn{position:relative;z-index:1;background:#fff;color:var(--navy)}

/* strony dokumentów */
.pagehead{padding:56px 0 40px;border-bottom:1px solid var(--rule);background:radial-gradient(900px 400px at 85% -20%,rgba(109,87,220,.35),transparent 70%)}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:18px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--rule-strong)}
.crumbs a{color:var(--muted);text-decoration:none}
.pagehead h1{font-size:clamp(1.9rem,3.6vw,2.7rem);font-weight:800;max-width:24ch;margin-bottom:18px;text-wrap:balance}
.pagehead__lead{font-size:1.1rem;max-width:66ch;color:var(--sand)}
.doc{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:44px;padding-bottom:56px}
.doc__body{max-width:760px;min-width:0}
.doc__body h2{font-size:1.45rem;margin-top:40px}
.doc__body h2:first-child{margin-top:0}
.doc__body ol,.doc__body ul{padding-left:22px;margin:0 0 18px}
.doc__body li{margin-bottom:10px}
.doc__body li::marker{color:var(--violet-hi)}
.doc__aside .card{position:sticky;top:92px;background:var(--deep);border:1px solid var(--rule);border-radius:var(--radius);padding:22px}
.card__title{font:600 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 14px}
.card dl{margin:0}
.card dt{font-size:13px;color:var(--muted)}
.card dd{margin:0 0 12px;color:var(--sand);font-size:15px}
.para{counter-reset:u}
.para>li{list-style:none;position:relative;counter-increment:u;padding-left:4px}
.para>li::before{content:counter(u) ".";position:absolute;left:-22px;color:var(--violet-hi);font-family:var(--mono);font-size:14px;top:2px}
.sitemap{list-style:none;padding:0!important;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.sitemap li{background:var(--deep);border:1px solid var(--rule);border-radius:var(--radius-sm);padding:16px 18px;margin:0!important}
.sitemap a{font-family:var(--head);font-weight:600}
.sitemap span{display:block;font-size:14px;color:var(--muted);margin-top:4px}

/* stopka */
.foot{background:var(--abyss);border-top:1px solid var(--rule);padding:56px 0 28px;font-size:15px}
.foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.foot__brand img{height:32px;width:auto;margin-bottom:16px}
.foot__brand p{color:var(--muted);max-width:42ch}
.foot__head{font:600 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;color:var(--sand);margin:6px 0 16px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:9px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--sand)}
.foot__base{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;border-top:1px solid var(--rule);margin-top:40px;padding-top:22px;color:var(--muted);font-size:13.5px}
.foot__base p{margin:0}
.badge18{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1.5px solid var(--alert);color:var(--alert);font:700 12px/1 var(--head);margin-right:10px;vertical-align:middle}

/* bramka wieku */
.gate{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:rgba(0,10,22,.94);backdrop-filter:blur(6px)}
.gate[hidden]{display:none}
.gate__card{max-width:460px;width:100%;background:var(--deep);border:1px solid var(--rule-strong);border-radius:24px;padding:32px;text-align:center}
.gate__card img{height:48px;width:auto;margin:0 auto 20px}
.gate__card .gate__q{font:700 1.45rem/1.25 var(--head);color:var(--sand);margin:0 0 12px}
.gate__card p{color:var(--muted);font-size:15.5px}
.gate__btns{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.gate__btns .btn{justify-content:center}

/* responsywność */
@media (max-width:1020px){
  .layout{grid-template-columns:1fr;gap:0;padding-top:28px}
  .side nav{position:static;padding:0;margin-bottom:36px}
  .contents ol{columns:2;column-gap:24px;border-left:0}
  .contents a{padding-left:0;border-left:0;break-inside:avoid}
  .doc{grid-template-columns:1fr;gap:28px}
  .doc__aside .card{position:static}
  .topnav{display:none}
  .topbar .btn{margin-left:auto}
}
@media (max-width:820px){
  .intro{padding:44px 0 40px}
  .intro__grid{grid-template-columns:1fr;gap:0}
  .intro__copy{display:contents}
  .intro h1{order:1;margin-bottom:22px}
  .intro__visual{order:2;justify-self:center;max-width:360px;margin-bottom:26px}
  .intro__p{order:5}
  .intro__p--first{order:3}
  .intro__actions{order:4;margin:2px 0 0}
  .intro__note{order:4;margin:10px 0 24px}
  .final__box{flex-direction:column;align-items:flex-start;padding:32px 26px}
  .foot__grid{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1/-1}
}
@media (max-width:560px){
  body{font-size:16px}
  .shell{padding:0 16px}
  .topbar__in{height:60px;gap:12px}
  .mark img{height:28px}
  .contents ol{columns:1}
  .kv,.sitemap{grid-template-columns:1fr}
  .byline{grid-template-columns:1fr}
  .intro__actions .btn{flex:1 1 auto;justify-content:center}
  .steps li{padding-left:54px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}