/* ============================================================
   DESIGN SYSTEM JANA WOŁYŃSKIEGO - wspólny dla wszystkich stron
   Mistrz: V3 AI Architekt. Ostre krawędzie, jasna baza, terakota.
   Opis i prawo: DESIGN-SYSTEM.md
   ============================================================ */

:root{
  --bg:#f5f3ee; --bg2:#ebe7df; --card:#fffdf9;
  --ink:#15181d; --ink-soft:#3b404a; --muted:#787d86;
  --navy:#1b3a5c; --navy-dark:#11273e; --navy-soft:#e6ebf1;
  --spark:#1b3a5c; --spark-soft:#e6ebf1;
  --line:rgba(21,24,29,.14); --line-soft:rgba(21,24,29,.07);
  --shadow:0 26px 64px -34px rgba(21,24,29,.42);
  --shadow-sm:0 14px 36px -24px rgba(21,24,29,.34);
  --maxw:1160px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Space Grotesk',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;
  background:radial-gradient(1100px 640px at 84% -10%,rgba(27,58,92,.06),transparent 60%),
             radial-gradient(900px 600px at -8% 108%,rgba(27,58,92,.05),transparent 55%)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 30px}
section{padding:92px 0;border-top:1px solid var(--line)}
h1,h2,h3{line-height:1.07;font-weight:700;letter-spacing:-0.035em}
h1{font-size:clamp(2.6rem,5.6vw,4.4rem)}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
h3{font-size:1.3rem}
p{color:var(--ink-soft)}
a{color:inherit}

/* kicker - terakotowa kreska + UPPERCASE */
.kicker{display:inline-flex;align-items:center;gap:12px;font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--spark);margin-bottom:24px}
.kicker::before{content:"";width:30px;height:2px;background:var(--spark)}
.lead{font-size:1.2rem;color:var(--ink-soft);max-width:660px;margin-top:18px}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* przyciski - OSTRE (radius 0) */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--navy);color:#fff;font-weight:600;font-size:1rem;
  padding:16px 30px;text-decoration:none;border:1px solid var(--navy);border-radius:0;cursor:pointer;
  transition:transform .15s ease,background .15s ease,box-shadow .15s ease}
.btn:hover{background:var(--navy-dark);border-color:var(--navy-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn.spark{background:var(--spark);border-color:var(--spark)}
.btn.spark:hover{background:#11273e;border-color:#11273e}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--ink);font-weight:600;
  padding:16px 26px;text-decoration:none;border:1px solid var(--line);border-radius:0;
  transition:background .15s ease,color .15s ease,border-color .15s,transform .15s}
.btn-ghost:hover{background:#fff;border-color:var(--ink);transform:translateY(-2px)}
.btn.sm{padding:11px 20px;font-size:.9rem}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:34px}

/* HEADER - wspólna belka huba */
.site-head{position:sticky;top:0;z-index:60;background:rgba(245,243,238,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:700;font-size:1.08rem;letter-spacing:-0.02em;text-decoration:none;color:var(--ink);white-space:nowrap}
.logo span{color:var(--spark)}
.head-nav{display:flex;align-items:center;gap:28px}
.head-nav a{font-size:.9rem;color:var(--ink-soft);text-decoration:none;font-weight:500;transition:color .15s}
.head-nav a:hover{color:var(--spark)}
.head-cta{font-size:.88rem;padding:10px 20px}
/* MOBILE NAV - hamburger (checkbox, bez JS) */
.nav-check{display:none}
.nav-burger{display:none}
@media(max-width:840px){
  .head-nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:6px 30px 14px;box-shadow:var(--shadow-sm)}
  .head-nav a{padding:16px 0;font-size:1.22rem;font-weight:600;border-bottom:1px solid var(--line-soft)}
  .head-nav a:last-child{border-bottom:none}
  .nav-check:checked~.head-nav{display:flex}
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:10px;cursor:pointer;border:1px solid var(--line);background:var(--card);flex:none}
  .nav-burger span{display:block;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
  .nav-check:checked~.nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-check:checked~.nav-burger span:nth-child(2){opacity:0}
  .nav-check:checked~.nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .head-cta{margin-left:auto;margin-right:12px}
}

/* karta */
.card{background:var(--card);border:1px solid var(--line);border-radius:0;box-shadow:var(--shadow-sm)}

/* siatka 3 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
@media(max-width:860px){.grid-3{grid-template-columns:1fr}}

/* feature / ścieżka */
.feature{background:var(--card);border:1px solid var(--line);border-radius:0;padding:30px 28px;display:flex;flex-direction:column;gap:12px;transition:transform .15s,box-shadow .15s}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.feature .fnum{font-size:.78rem;font-weight:700;letter-spacing:.14em;color:var(--spark);text-transform:uppercase}
.feature h3{letter-spacing:-0.02em}
.feature p{font-size:.98rem}
.feature .more{margin-top:auto;font-weight:600;font-size:.92rem;color:var(--navy);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px;align-self:flex-start}
.feature .more:hover{color:var(--spark);border-color:var(--spark)}

/* checklist */
.checklist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
@media(max-width:680px){.checklist{grid-template-columns:1fr}}
.checklist li{display:flex;gap:13px;background:var(--card);border:1px solid var(--line);padding:16px 18px;font-size:1rem;color:var(--ink-soft)}
.checklist .bx{width:20px;height:20px;background:var(--navy);flex-shrink:0;position:relative}
.checklist .bx::after{content:"";position:absolute;left:6px;top:3px;width:6px;height:11px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg)}

/* kroki / proces */
.steps{display:flex;flex-direction:column;border:1px solid var(--line);margin-top:38px;background:var(--card)}
.step{display:grid;grid-template-columns:60px 1fr;gap:20px;padding:24px 26px;border-bottom:1px solid var(--line-soft);align-items:start}
.step:last-child{border-bottom:none}
.step .si{font-weight:700;color:var(--spark);font-size:1.15rem}
.step h4{font-size:1.12rem;font-weight:600;margin-bottom:5px;letter-spacing:-0.01em}
.step p{font-size:.97rem}
.step.hi{background:var(--spark-soft)}

/* pasek liczb / fakty */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:38px}
.stat{background:var(--card);padding:28px 24px}
.stat .num{font-size:2.2rem;font-weight:700;letter-spacing:-0.03em;color:var(--navy)}
.stat .lbl{font-size:.92rem;color:var(--muted);margin-top:4px}

/* faq */
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;text-align:left;background:none;border:none;color:var(--ink);font:inherit;font-size:1.1rem;font-weight:600;padding:22px 40px 22px 0;cursor:pointer;position:relative}
.faq-q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);color:var(--spark);font-size:1.6rem;font-weight:400;transition:.2s}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-soft)}
.faq-item.open .faq-a{max-height:260px}
.faq-a p{padding:0 0 22px;font-size:1rem}

/* cta band */
.cta-band{background:var(--navy);border-top:none}
.cta-band h2{color:#fff}
.cta-band p{color:#b8c6d6}
.cta-band .btn{background:var(--spark);border-color:var(--spark)}
.cta-band .btn:hover{background:#11273e;border-color:#11273e}

/* footer */
.footer{padding:40px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem}
.footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer a{color:var(--ink-soft);text-decoration:none}
.footer a:hover{color:var(--spark)}

/* hero wspólny układ */
.hero{padding:80px 0 88px;border-top:none}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero h1{max-width:15ch}
.problem-line{margin-top:22px;font-size:1.05rem;color:var(--ink-soft);font-weight:500;border-left:3px solid var(--spark);padding-left:15px;max-width:48ch}
.hero-note{margin-top:22px;font-size:.9rem;color:var(--muted)}

@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* MOBILE - wspólne dopasowania (smartfony) */
@media(max-width:680px){
  .wrap{padding:0 22px}
  section{padding:60px 0}
  .hero{padding:44px 0 60px}
  .kicker{flex-wrap:wrap;line-height:1.5}
  .lead{font-size:1.1rem}
  .stats{grid-template-columns:1fr}
  .step{grid-template-columns:44px 1fr;gap:14px;padding:20px 18px}
  .faq-item.open .faq-a{max-height:680px}
  .cta-row{gap:10px}
  .cta-row .btn,.cta-row .btn-ghost{width:100%;justify-content:center}
  .head-nav{padding:6px 22px 14px}
  #newsletter{grid-template-columns:1fr !important}
}

/* nawigacja - aktywna zakładka (gdzie jesteś) */
.head-nav a.here{color:var(--spark);font-weight:600}

/* BLOG - artykuły */
.post-hero h1{font-size:clamp(1.8rem,4vw,2.8rem);max-width:24ch}
.highlight{color:var(--spark)}
.post-content{max-width:720px}
.post-content p{margin-bottom:16px;font-size:1.04rem;line-height:1.7;color:var(--ink-soft)}
.post-content h2{font-size:1.45rem;margin:38px 0 14px}
.post-content h3{font-size:1.2rem;margin:34px 0 12px;letter-spacing:.02em}
.post-content a{color:var(--navy);font-weight:600}
.post-content a:hover{color:var(--spark)}
.post-content .tip-box{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--spark);padding:14px 18px;font-size:.98rem;margin-bottom:18px}
.post-back{display:inline-block;margin-top:34px;font-weight:600;color:var(--navy);text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:2px}
.post-back:hover{color:var(--spark);border-color:var(--spark)}

/* KOMUNIKAT SUKCESU FORMULARZA (Web3Forms) */
.w3-ok{font-size:1.06rem;font-weight:600;color:var(--ink);line-height:1.5;padding:10px 0}

/* BANER COOKIES */
#ckb{position:fixed;left:18px;right:18px;bottom:18px;z-index:90;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);padding:20px 22px;max-width:520px}
#ckb p{font-size:.92rem;color:var(--ink-soft);line-height:1.55}
#ckb p b{color:var(--ink)}
#ckb a{color:var(--navy);font-weight:600}
#ckb .ck-btns{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
#ckb .btn,#ckb .btn-ghost{padding:11px 18px;font-size:.9rem}
@media(max-width:560px){#ckb{left:10px;right:10px;bottom:10px}#ckb .btn,#ckb .btn-ghost{width:100%;justify-content:center}}

/* STOPKA-KLEJ - wspólna dla wszystkich stron */
footer{border-top:1px solid var(--line)}
.foot-glue{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding:48px 0 30px}
@media(max-width:760px){.foot-glue{grid-template-columns:1fr 1fr;gap:26px}}
.foot-glue h4{font-size:.74rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.foot-glue a{display:block;color:var(--ink-soft);text-decoration:none;font-size:.95rem;margin-bottom:9px}
.foot-glue a:hover{color:var(--spark)}
.foot-glue .brand{font-weight:700;font-size:1.1rem;color:var(--ink)}
.foot-glue .brand span{color:var(--spark)}
.foot-glue .foot-tag{color:var(--muted);font-size:.92rem;margin-top:10px;max-width:32ch}
.foot-bottom{border-top:1px solid var(--line);padding:18px 0;font-size:.85rem;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.foot-bottom a{color:var(--ink-soft);text-decoration:none}
.foot-bottom a:hover{color:var(--spark)}