/* boldai.pl — shared styles for inner pages (Artykuły, Usługi, Branże).
   Reuses the landing design tokens; nav is the light/paper variant (no dark hero). */
:root{
  --bg:#FBFAF8; --ink:#0a0a0a; --muted:#5c5750;
  --hair:rgba(0,0,0,.10); --hair-soft:rgba(0,0,0,.06);
  --accent:#C8612A; --accent-soft:rgba(200,97,42,.12);
  --card:#ffffff; --ink-panel:#0b0b0d;
  --max:1240px; --gutter:clamp(24px,5vw,80px);
  --band-paper:#FBFAF8; --band-warm:#F3F0EA;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
h1,h2,h3{font-family:'Inter Tight',sans-serif;font-weight:600;letter-spacing:-.02em;line-height:1.1}
.acc{color:var(--accent)}

/* ===== NAV (light, sticky) ===== */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(251,250,248,.82);backdrop-filter:saturate(140%) blur(12px);border-bottom:1px solid var(--hair-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.brand{font-family:'Inter Tight',sans-serif;font-weight:600;font-size:24px;letter-spacing:-.03em;color:var(--ink);text-decoration:none}
.brand .ai{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a.link{font-size:15px;color:var(--muted);text-decoration:none;position:relative;transition:color .2s}
.nav-links a.link:hover{color:var(--ink)}
.nav-links a.link.cur{color:var(--ink);font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:15px;font-weight:500;padding:11px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .2s var(--ease),background .2s,color .2s,border-color .2s,box-shadow .2s}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--accent);border-color:transparent;transform:translateY(-1px);box-shadow:0 14px 32px -12px rgba(200,97,42,.55)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--hair)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-lg{padding:16px 30px;font-size:16px}
.burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2px;background:var(--ink);display:block;transition:.25s}
.mobile-menu{display:none;border-top:1px solid var(--hair-soft);background:var(--bg)}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:16px var(--gutter);border-bottom:1px solid var(--hair-soft);font-size:17px;color:var(--ink);text-decoration:none}
.mobile-menu .btn{margin:18px var(--gutter) 24px;display:flex}

/* ===== language dropdown (light variant) ===== */
.lang-dd{position:relative;display:inline-flex}
.lang-dd-btn{display:inline-flex;align-items:center;gap:7px;background:rgba(0,0,0,.04);border:1px solid var(--hair);color:var(--ink);font:inherit;font-size:14px;font-weight:500;padding:8px 13px;border-radius:999px;cursor:pointer;transition:background .2s}
.lang-dd-btn:hover{background:rgba(0,0,0,.07)}
.lang-globe{display:block;opacity:.85}
.lang-cur{letter-spacing:.04em}
.lang-caret{display:block;opacity:.7;transition:transform .25s var(--ease)}
.lang-dd.open .lang-caret{transform:rotate(180deg)}
.lang-dd-menu{position:absolute;top:calc(100% + 12px);right:0;min-width:184px;background:#fff;border:1px solid var(--hair);border-radius:14px;box-shadow:0 20px 48px -18px rgba(0,0,0,.34);padding:6px;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;z-index:200}
.lang-dd.open .lang-dd-menu{opacity:1;visibility:visible;transform:translateY(0)}
.lang-dd-menu a{display:flex;align-items:center;gap:11px;padding:11px 13px;border-radius:10px;font-size:15px;color:var(--ink);text-decoration:none;transition:background .15s}
.lang-dd-menu a:hover{background:var(--band-warm)}
.lang-dd-menu a.active{color:var(--accent);font-weight:600}
.lang-dd-menu a .fl{font-size:18px;line-height:1}
.lang-row{display:flex;flex-wrap:wrap;gap:8px;padding:16px var(--gutter);border-bottom:1px solid var(--hair-soft)}
.lang-row a{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border:1px solid var(--hair);border-radius:999px;font-size:15px;color:var(--ink);text-decoration:none}
.lang-row a.active{border-color:var(--accent);color:var(--accent);font-weight:600}

/* ===== bands ===== */
.band{padding:clamp(56px,8vw,120px) 0}
.band-warm{background:var(--band-warm)}
.band-paper{background:var(--band-paper)}
.band-dark{background:var(--ink-panel);color:#fff}
.sec-head{max-width:50rem;margin-bottom:clamp(32px,5vw,56px)}
.sec-head h2{font-size:clamp(28px,4.4vw,46px)}
.sec-lead{margin-top:18px;color:var(--muted);font-size:18px;max-width:42rem}
.band-dark .sec-lead{color:rgba(255,255,255,.7)}

/* ===== page header (inner hero) ===== */
.page-head{padding:clamp(54px,8vw,104px) 0 clamp(28px,4vw,44px)}
.page-head h1{font-size:clamp(34px,6vw,62px);max-width:18ch}
.page-head .dek{margin-top:20px;color:var(--muted);font-size:clamp(17px,2.2vw,20px);max-width:46rem}

/* ===== ARTICLES index ===== */
.cat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 40px}
.chip{font-size:14px;font-weight:500;padding:8px 15px;border-radius:999px;border:1px solid var(--hair);background:#fff;color:var(--muted);cursor:pointer;transition:.18s}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.art-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--hair-soft);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.art-card:hover{transform:translateY(-4px);box-shadow:0 26px 56px -28px rgba(0,0,0,.3);border-color:var(--hair)}
.art-card .cover{aspect-ratio:16/10;background:linear-gradient(135deg,#f1ece4,#e7ddcf);overflow:hidden}
.art-card .cover img{width:100%;height:100%;object-fit:cover}
.art-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:5px 10px;border-radius:999px}
.art-card h3{font-size:21px;line-height:1.22}
.art-card .lead{color:var(--muted);font-size:15px;flex:1}
.art-card .meta{font-size:13px;color:var(--muted);opacity:.85}
/* featured */
.featured{display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:stretch;margin-bottom:54px;background:#fff;border:1px solid var(--hair-soft);border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .25s}
.featured:hover{box-shadow:0 30px 64px -30px rgba(0,0,0,.32)}
.featured .cover{min-height:300px;background:linear-gradient(135deg,#f1ece4,#e7ddcf)}
.featured .cover img{width:100%;height:100%;object-fit:cover}
.featured .body{padding:clamp(28px,4vw,46px);display:flex;flex-direction:column;gap:16px;justify-content:center}
.featured h2{font-size:clamp(24px,3vw,34px);line-height:1.15}
.featured .lead{color:var(--muted)}

/* ===== ARTICLE detail ===== */
.article{padding:clamp(36px,6vw,72px) 0 0}
.article .crumbs{font-size:14px;color:var(--muted);margin-bottom:22px}
.article .crumbs a{text-decoration:none;color:var(--muted)}
.article .crumbs a:hover{color:var(--ink)}
.art-wrap{max-width:760px;margin:0 auto}
.art-title{font-size:clamp(30px,5vw,52px);margin:14px 0 18px}
.art-lead{font-size:clamp(18px,2.4vw,22px);color:var(--muted);line-height:1.5}
.art-byline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:14px;color:var(--muted);margin:22px 0 30px}
.art-byline .dot{opacity:.4}
.art-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;background:linear-gradient(135deg,#f1ece4,#e7ddcf);margin-bottom:clamp(28px,4vw,46px)}
.prose>h2{font-size:clamp(23px,3vw,30px);margin:42px 0 14px}
.prose p{margin:0 0 18px;color:#1c1a18}
.prose ul{margin:0 0 18px;padding-left:22px}
.prose li{margin:0 0 9px}
.prose strong{font-weight:600}
.takeaway{margin:44px 0 8px;padding:26px 28px;background:var(--band-warm);border-left:3px solid var(--accent);border-radius:12px;font-size:18px}
.source-note{margin-top:26px;font-size:14px;color:var(--muted)}
.source-note a{color:var(--accent)}
/* article bottom CTA */
.art-cta{margin:clamp(48px,7vw,90px) 0 0;text-align:center;background:var(--ink-panel);color:#fff;border-radius:22px;padding:clamp(40px,6vw,68px) var(--gutter)}
.art-cta h2{font-size:clamp(26px,3.4vw,38px)}
.art-cta p{color:rgba(255,255,255,.72);max-width:40rem;margin:16px auto 26px}
.related{margin-top:clamp(54px,8vw,96px)}
.related h2{font-size:26px;margin-bottom:26px}

/* ===== USŁUGI ===== */
.svc-list{display:flex;flex-direction:column;gap:18px}
.svc-item{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;background:#fff;border:1px solid var(--hair-soft);border-radius:16px;padding:28px clamp(22px,3vw,36px);transition:border-color .2s,box-shadow .2s}
.svc-item:hover{border-color:var(--hair);box-shadow:0 22px 50px -30px rgba(0,0,0,.28)}
.svc-item .no{font-family:'Inter Tight',sans-serif;font-size:30px;color:var(--accent);font-weight:600;min-width:54px}
.svc-item h3{font-size:23px;margin-bottom:8px}
.svc-item p{color:var(--muted);font-size:16px;max-width:54ch}
.svc-item .tag{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);white-space:nowrap}
.svc-item .tag.free{color:var(--accent)}
@media(max-width:720px){.svc-item{grid-template-columns:auto 1fr;}.svc-item .tag{grid-column:2}}

/* ===== BRANŻE ===== */
.ind-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:50px}
.ind-chips span{font-size:14px;padding:8px 14px;border:1px solid var(--hair);border-radius:999px;background:#fff;color:var(--muted)}
.ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.ind-item{background:#fff;border:1px solid var(--hair-soft);border-radius:16px;padding:30px clamp(24px,3vw,34px)}
.ind-item h3{font-size:22px;margin-bottom:12px}
.ind-item .work,.ind-item .build{font-size:15px;color:var(--muted);margin-bottom:8px}
.ind-item .k{font-weight:600;color:var(--ink)}

/* ===== footer ===== */
footer{background:var(--bg);border-top:1px solid var(--hair-soft);padding:60px 0 40px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:34px}
.foot-tag{max-width:34rem;color:var(--muted);font-size:15px}
.foot-tag .brand{display:block;color:var(--ink);font-size:22px;margin-bottom:14px}
.foot-links{display:flex;gap:26px;flex-wrap:wrap}
.foot-links a{color:var(--muted);text-decoration:none;font-size:15px}
.foot-links a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--hair-soft);font-size:14px;color:var(--muted)}
.foot-bottom a{color:var(--muted);text-decoration:none}

/* ===== modal (audit) ===== */
.overlay{position:fixed;inset:0;background:rgba(10,10,10,.5);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:300;padding:20px}
.overlay.open{display:flex}
.modal{background:#fff;border-radius:20px;max-width:460px;width:100%;padding:clamp(28px,4vw,40px);position:relative}
.modal-close{position:absolute;top:16px;right:18px;background:none;border:0;font-size:26px;line-height:1;cursor:pointer;color:var(--muted)}
.modal h3{font-size:26px;margin-bottom:8px}
.modal .sub{color:var(--muted);font-size:15px;margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;margin-bottom:6px;color:var(--muted)}
.field input,.field textarea{width:100%;border:1px solid var(--hair);border-radius:10px;padding:12px 14px;font:inherit;background:#fff}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.modal .btn{width:100%;margin-top:10px}
.thanks{display:none;text-align:center}
.thanks.show{display:block}
.thanks .check{width:54px;height:54px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:28px;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.modal-form.hide{display:none}

/* ===== dark band button fix + final CTA ===== */
.band-dark .btn-primary{background:#fff;color:var(--ink);border-color:#fff}
.band-dark .btn-primary:hover{background:var(--accent);color:#fff;border-color:transparent;box-shadow:0 16px 36px -12px rgba(200,97,42,.6)}
.cta-final{position:relative;overflow:hidden}
.cta-final .wrap{position:relative;z-index:1;text-align:center;max-width:48rem;padding-top:clamp(64px,9vw,120px);padding-bottom:clamp(64px,9vw,120px)}
.cta-final h2{font-size:clamp(28px,4vw,44px);line-height:1.1}
.cta-final p{color:rgba(255,255,255,.74);font-size:clamp(17px,2.2vw,20px);margin:20px auto 32px;max-width:38rem}
.cta-final::before{content:"";position:absolute;left:50%;top:-30%;width:min(900px,90vw);height:600px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(200,97,42,.32),transparent 70%);pointer-events:none}
.cta-final::after{content:"";position:absolute;inset:0;background:
  radial-gradient(120% 80% at 50% 120%,rgba(255,255,255,.06),transparent 60%);pointer-events:none}

/* ===== featured "Polecane" exposure ===== */
.featured{position:relative;border:1px solid var(--hair)}
.rec-tag{position:absolute;top:18px;left:18px;z-index:2;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--accent);padding:6px 12px;border-radius:999px;box-shadow:0 8px 20px -8px rgba(200,97,42,.6)}
.featured .cover{min-height:340px}
.featured .meta{margin-top:4px}

/* ===== pagination ===== */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:clamp(40px,6vw,72px)}
.pager a,.pager span{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--hair);border-radius:10px;font-size:15px;color:var(--ink);text-decoration:none;transition:.18s}
.pager a:hover{border-color:var(--ink)}
.pager .on{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager .gap{border:0}
.pager .disabled{opacity:.4;pointer-events:none}

/* ===== solution / industry index cards (clickable, with benefit) ===== */
.mod-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.mod-card{position:relative;display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--hair-soft);border-radius:18px;padding:30px clamp(24px,3vw,34px);text-decoration:none;color:inherit;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.mod-card:hover{transform:translateY(-4px);box-shadow:0 28px 60px -30px rgba(0,0,0,.3);border-color:var(--hair)}
.mod-card::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:var(--accent-soft);opacity:0;transition:opacity .3s}
.mod-card:hover::after{opacity:1}
.mod-card .no{font-family:'Inter Tight',sans-serif;font-size:15px;font-weight:600;color:var(--accent);letter-spacing:.08em}
.mod-card h3{font-size:22px;line-height:1.2;position:relative;z-index:1}
.mod-card .benefit{color:var(--muted);font-size:15.5px;flex:1;position:relative;z-index:1}
.mod-card .more{font-size:14px;font-weight:600;color:var(--accent);position:relative;z-index:1}
.ind-grid .ind-item{display:flex;flex-direction:column;text-decoration:none;color:inherit;transition:transform .25s var(--ease),box-shadow .25s,border-color .25s}
.ind-item .benefit{font-size:15px;color:var(--ink);font-weight:500;margin:2px 0 10px}
.ind-item .more{margin-top:14px;font-size:14px;font-weight:600;color:var(--accent)}
a.ind-item:hover{transform:translateY(-4px);box-shadow:0 26px 56px -30px rgba(0,0,0,.28);border-color:var(--hair)}

/* ===== subpage (solution / industry / detail read) ===== */
.sub-head{position:relative;overflow:hidden;background:var(--ink-panel);color:#fff;padding:clamp(56px,9vw,120px) 0 clamp(44px,6vw,72px)}
.sub-head::before{content:"";position:absolute;right:-10%;top:-40%;width:min(760px,80vw);height:680px;background:radial-gradient(closest-side,rgba(200,97,42,.34),transparent 70%);pointer-events:none}
.sub-head .wrap{position:relative;z-index:1;max-width:60rem}
.sub-head .eyebrow{color:var(--accent)}
.sub-head h1{font-size:clamp(32px,5.4vw,56px);max-width:20ch;line-height:1.08}
.sub-head .lead{margin-top:20px;color:rgba(255,255,255,.78);font-size:clamp(18px,2.4vw,22px);max-width:44rem}
.sub-head .rt{margin-top:18px;font-size:14px;color:rgba(255,255,255,.55)}
.sub-body{padding:clamp(40px,6vw,72px) 0}
.sub-wrap{max-width:760px;margin:0 auto}
.outcomes{background:var(--band-warm);border-radius:16px;padding:26px clamp(22px,3vw,32px);margin-bottom:clamp(32px,5vw,52px)}
.outcomes h2{font-size:18px;margin-bottom:14px}
.outcomes ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.outcomes li{position:relative;padding-left:28px;color:#1c1a18}
.outcomes li::before{content:"→";position:absolute;left:0;color:var(--accent);font-weight:700}

/* ===== landing-grade polish: film grain, motion, icons ===== */
body::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.03;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>")}
.site-nav{z-index:100}
main,footer{position:relative;z-index:2}

/* icon badges */
.ico-badge{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:13px;background:var(--accent-soft);color:var(--accent);border:1px solid rgba(200,97,42,.18);flex:none;transition:background .28s var(--ease),color .28s,transform .28s var(--ease)}
.ico-svg{width:24px;height:24px;display:block}

/* solution cards — icon, accent top-bar, arrow slide */
.mod-card{padding-top:26px}
.mod-card .top{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.mod-card::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--accent);border-radius:0 3px 3px 0;transition:width .4s var(--ease);z-index:2}
.mod-card:hover::before{width:100%}
.mod-card:hover .ico-badge{background:var(--accent);color:#fff;transform:scale(1.06) rotate(-4deg)}
.mod-card .more{display:inline-flex;align-items:center;gap:6px}
.arr{display:inline-block;transition:transform .25s var(--ease)}
.mod-card:hover .arr,a.ind-item:hover .arr{transform:translateX(5px)}

/* industry cards — icon row */
.ind-item .top{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.ind-item .top h3{margin:0}
.ind-item .more{display:inline-flex;align-items:center;gap:6px}
a.ind-item:hover .ico-badge{background:var(--accent);color:#fff;transform:scale(1.06) rotate(-4deg)}

/* subpage header icon */
.sub-ico{display:inline-flex;align-items:center;justify-content:center;width:62px;height:62px;border-radius:17px;background:rgba(200,97,42,.16);color:var(--accent);border:1px solid rgba(200,97,42,.32);margin-bottom:22px}
.sub-ico .ico-svg{width:31px;height:31px}

/* scroll reveal + stagger */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
[data-stagger]>*{opacity:0;transform:translateY(22px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
[data-stagger].in>*{opacity:1;transform:none}
[data-stagger].in>*:nth-child(1){transition-delay:.04s}
[data-stagger].in>*:nth-child(2){transition-delay:.10s}
[data-stagger].in>*:nth-child(3){transition-delay:.16s}
[data-stagger].in>*:nth-child(4){transition-delay:.22s}
[data-stagger].in>*:nth-child(5){transition-delay:.28s}
[data-stagger].in>*:nth-child(6){transition-delay:.34s}
[data-stagger].in>*:nth-child(7){transition-delay:.40s}
[data-stagger].in>*:nth-child(8){transition-delay:.46s}
@media(prefers-reduced-motion:reduce){.reveal,[data-stagger]>*{opacity:1!important;transform:none!important;transition:none}}

@media(max-width:900px){
  .art-grid{grid-template-columns:repeat(2,1fr)}
  .featured{grid-template-columns:1fr}.featured .cover{min-height:220px}
  .ind-grid{grid-template-columns:1fr}
  .mod-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-links{display:none}.burger{display:flex}
  .art-grid{grid-template-columns:1fr}
}