/* ============ PORADNIK - wspólne style (design tokens z landinga) ============ */
:root{
  --paper:#F6F5FB; --paper-2:#FFFFFF;
  --ink:#14101F; --ink-soft:#46405C; --ink-mute:#6F6985;
  --violet:#6C4CFF; --violet-deep:#4B2FD6; --violet-tint:#EFEBFF;
  --gold:#FFB02E; --good:#16A36B;
  --line:rgba(20,16,31,.10); --line-soft:rgba(20,16,31,.06);
  --radius:18px; --radius-sm:12px;
  --maxw:1160px; --maxw-art:760px;
  --shadow:0 18px 50px -24px rgba(20,16,31,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--paper); color:var(--ink);
  line-height:1.65; -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.12;letter-spacing:-.02em;font-weight:600}
a{color:inherit;text-decoration:none}
.dot{color:var(--violet)}
.eyebrow{display:inline-block;font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--violet-deep);margin-bottom:14px}
:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:6px}

/* ---- buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--violet);color:#fff;font-weight:600;font-size:.95rem;
  padding:14px 24px;border-radius:999px;border:1.5px solid var(--violet);
  cursor:pointer;transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow:0 10px 24px -10px rgba(108,76,255,.7);
}
.btn:hover{transform:translateY(-2px);background:var(--violet-deep);box-shadow:0 16px 30px -12px rgba(108,76,255,.8)}
.btn-sm{padding:10px 18px;font-size:.88rem}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);box-shadow:none}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---- nav ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,245,251,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:inline-flex;align-items:center;gap:2px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.18rem;letter-spacing:-.02em}
.brand-at{color:var(--violet);font-size:1.3rem;line-height:1}
.brand-check{width:18px;height:18px;margin-left:5px;fill:var(--violet)}
.nav-links{display:flex;gap:30px;font-size:.92rem;font-weight:500;color:var(--ink-soft)}
.nav-links a:hover{color:var(--ink)}

/* ---- breadcrumbs ---- */
.crumbs{font-size:.8rem;color:var(--ink-mute);padding:22px 0 0}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--violet-deep)}
.crumbs span[aria-hidden]{margin:0 7px;color:var(--line)}

/* ---- article ---- */
.art-head{max-width:var(--maxw-art);margin:0 auto;padding:36px 24px 8px}
.art-head h1{font-size:clamp(1.9rem,4.4vw,3rem);font-weight:700;margin-bottom:18px}
.art-lead{font-size:1.14rem;color:var(--ink-soft)}
.art-meta{display:flex;flex-wrap:wrap;gap:14px;font-family:'Space Mono',monospace;font-size:.74rem;color:var(--ink-mute);margin-top:20px;padding-bottom:26px;border-bottom:1px solid var(--line)}
.art-body{max-width:var(--maxw-art);margin:0 auto;padding:10px 24px 40px}
.art-body h2{font-size:1.6rem;margin:44px 0 16px}
.art-body h3{font-size:1.2rem;margin:30px 0 12px}
.art-body p{margin-bottom:16px;color:var(--ink-soft)}
.art-body strong{color:var(--ink)}
.art-body ul,.art-body ol{margin:0 0 18px 22px;color:var(--ink-soft)}
.art-body li{margin-bottom:8px}
.art-body a{color:var(--violet-deep);font-weight:500;text-decoration:underline;text-decoration-color:rgba(108,76,255,.35);text-underline-offset:3px}
.art-body a:hover{text-decoration-color:var(--violet)}

/* tabela porównawcza */
.art-table{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:.93rem;background:var(--paper-2);border-radius:var(--radius-sm);overflow:hidden;box-shadow:0 1px 0 var(--line)}
.art-table th{background:var(--ink);color:#fff;font-family:'Space Grotesk';font-weight:600;text-align:left;padding:12px 16px;font-size:.88rem}
.art-table td{padding:12px 16px;border-top:1px solid var(--line-soft);color:var(--ink-soft);vertical-align:top}
.art-table td:first-child{font-weight:600;color:var(--ink)}

/* boxy */
.box{border-radius:var(--radius-sm);padding:20px 22px;margin:22px 0;font-size:.95rem}
.box p:last-child{margin-bottom:0}
.box-tip{background:var(--violet-tint);border-left:3px solid var(--violet)}
.box-warn{background:#FFF4E0;border-left:3px solid var(--gold)}
.box-key{background:var(--ink);color:#EAE7F4;border-left:3px solid var(--violet)}
.box-key p{color:#EAE7F4}
.box-key strong{color:#fff}
.box-label{display:block;font-family:'Space Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:8px;color:var(--violet-deep)}
.box-warn .box-label{color:#A66A00}
.box-key .box-label{color:#C9BEFF}

/* spis treści */
.toc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 24px;margin:26px 0}
.toc-label{font-family:'Space Mono',monospace;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:10px}
.toc ol{margin:0 0 0 20px}
.toc li{margin-bottom:6px;font-size:.93rem}
.toc a{color:var(--ink-soft);text-decoration:none;font-weight:500}
.toc a:hover{color:var(--violet-deep)}

/* FAQ w artykule */
.faq-list{display:flex;flex-direction:column;gap:12px;margin:20px 0 10px}
.faq{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .2s}
.faq[open]{border-color:var(--violet)}
.faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-family:'Space Grotesk';font-weight:600;font-size:1.02rem;display:flex;justify-content:space-between;align-items:center;gap:16px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:'Space Mono';font-size:1.3rem;color:var(--violet);transition:transform .2s;flex-shrink:0}
.faq[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px}
.faq-a p{color:var(--ink-soft);font-size:.95rem;margin-bottom:0}

/* CTA w artykule */
.art-cta{background:var(--ink);color:#fff;border-radius:var(--radius);padding:32px;margin:40px 0;text-align:center}
.art-cta h2{color:#fff;font-size:1.5rem;margin:0 0 10px !important}
.art-cta p{color:#C7C1DC !important;max-width:34em;margin:0 auto 22px}
.art-cta .btn{box-shadow:none}

/* autor / E-E-A-T */
.author-box{display:flex;gap:16px;align-items:center;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 22px;margin:34px 0}
.author-ava{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,var(--violet),var(--gold));display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-weight:700;color:#14101F;flex-shrink:0}
.author-box p{margin:0;font-size:.88rem;color:var(--ink-mute)}
.author-box strong{display:block;font-size:.95rem;color:var(--ink)}

/* powiązane artykuły */
.related{background:var(--violet-tint);padding:64px 0}
.related h2{font-size:1.6rem;margin-bottom:26px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;transition:transform .2s ease, box-shadow .2s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rel-tag{font-family:'Space Mono',monospace;font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--violet-deep);margin-bottom:10px}
.rel-card h3{font-size:1.05rem;margin-bottom:8px}
.rel-card p{font-size:.86rem;color:var(--ink-soft);flex-grow:1}
.rel-more{font-size:.85rem;font-weight:600;color:var(--violet-deep);margin-top:14px}

/* ---- hub poradnika ---- */
.hub-head{max-width:44rem;padding:56px 0 40px}
.hub-head h1{font-size:clamp(2.1rem,4.6vw,3.2rem);font-weight:700;margin-bottom:16px}
.hub-head p{color:var(--ink-soft);font-size:1.1rem}
.hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-bottom:80px}
.hub-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;transition:transform .2s ease, box-shadow .2s ease, border-color .2s}
.hub-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.hub-card h2{font-size:1.22rem;margin:0 0 10px}
.hub-card p{color:var(--ink-soft);font-size:.93rem;flex-grow:1}
.hub-meta{font-family:'Space Mono',monospace;font-size:.7rem;color:var(--ink-mute);margin-top:16px}

/* ---- footer ---- */
.footer{background:#0E0B17;color:#C7C1DC;padding:60px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand .brand{color:#fff;margin-bottom:14px}
.foot-brand p{font-size:.9rem;max-width:30em}
.foot-col h4{font-family:'Space Grotesk';color:#fff;font-size:.92rem;margin-bottom:14px;letter-spacing:.02em}
.foot-col a,.foot-line{display:block;font-size:.88rem;color:#9C95B8;margin-bottom:9px;transition:color .15s}
.foot-col a:hover{color:#fff}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:24px;font-size:.78rem;color:#6F6985}

/* ---- responsive ---- */
@media(max-width:920px){
  .nav-links{display:none}
  .rel-grid,.hub-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){
  .rel-grid,.hub-grid,.foot-grid{grid-template-columns:1fr}
  .art-table{display:block;overflow-x:auto}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}