/* SHIFT - wspolny arkusz dla sekcji Wiedza.
   Te same zmienne co na stronie glownej, zeby nic sie nie rozjechalo. */

:root{
  --ink:#17161B; --paper:#F7F5F0; --card:#FFFFFF; --muted:#6C6A73;
  --hair:#E4E1D9; --accent:#2136F5; --accent-bright:#5A6BFF;
  --dark:#17161B; --dark-2:#211F28;
  --paper-on-dark:#F3F1EC; --muted-on-dark:#9997A1; --hair-on-dark:#2E2C36;
  --bad:#9A9299; --good:#1F8A5B;
  --maxw:1120px; --tekst:68ch; --pad:clamp(20px,5vw,72px);
  --fdisplay:"Archivo",system-ui,sans-serif;
  --fbody:"Instrument Sans",system-ui,sans-serif;
  --fmono:"Space Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--fbody);font-size:clamp(16px,1.05vw,18px);line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
::selection{background:var(--accent);color:#fff}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
.eyebrow{font-family:var(--fmono);font-size:.72rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--muted);margin:0}

/* ---------- pasek gorny ---------- */
.top{position:sticky;top:0;z-index:20;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--hair)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1rem}
.brand{display:flex;align-items:baseline;gap:.6rem;text-decoration:none}
.brand b{font-family:var(--fdisplay);font-weight:900;font-size:1.35rem;
  letter-spacing:-.02em;line-height:1;position:relative}
.brand b::after{content:"";position:absolute;left:0;right:-4px;bottom:-5px;height:3px;background:var(--accent)}
.brand span{font-family:var(--fmono);font-size:.62rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted)}
.top nav{display:flex;align-items:center;gap:1.4rem}
.top nav a{font-family:var(--fmono);font-size:.72rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);text-decoration:none}
.top nav a:hover{color:var(--accent)}
.top nav a.btn{color:#fff}

.btn{--bg:var(--accent);--fg:#fff;
  display:inline-flex;align-items:center;gap:.5em;background:var(--bg);color:var(--fg);
  font-family:var(--fbody);font-weight:600;font-size:.95rem;letter-spacing:0;
  text-transform:none;text-decoration:none;padding:.7em 1.15em;border-radius:2px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px -12px color-mix(in srgb,var(--accent) 70%,#000)}
.btn.ghost{--bg:transparent;--fg:var(--ink);border-color:var(--hair)}
.btn.ghost.on-dark{--fg:var(--paper-on-dark);border-color:var(--hair-on-dark)}
.btn.ghost.on-dark:hover{border-color:var(--accent-bright)}

/* ---------- okruszki ---------- */
.okruszki{font-family:var(--fmono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);margin:0;padding-top:2.2rem}
.okruszki a{text-decoration:none}
.okruszki a:hover{color:var(--accent)}

/* ---------- naglowek artykulu ---------- */
.art-head{padding:1.4rem 0 clamp(28px,4vw,48px);border-bottom:1px solid var(--hair)}
.art-head h1{font-family:var(--fdisplay);font-weight:900;
  font-size:clamp(2rem,4.8vw,3.5rem);line-height:1.03;letter-spacing:-.035em;
  text-wrap:balance;margin:.7rem 0 0;max-width:20ch}
.art-head .lede{margin:1.4rem 0 0;max-width:60ch;
  font-size:clamp(1.04rem,1.5vw,1.24rem);color:#3a3941}
.art-meta{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;margin:1.8rem 0 0;
  font-family:var(--fmono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted)}

/* ---------- tresc ---------- */
.art{padding:clamp(36px,5vw,64px) 0 clamp(48px,7vw,88px)}
.art-uklad{display:grid;gap:2.6rem}
@media(min-width:1000px){.art-uklad{grid-template-columns:minmax(0,1fr) 260px;gap:4rem;align-items:start}}

.tresc{max-width:var(--tekst)}
.tresc h2{font-family:var(--fdisplay);font-weight:800;
  font-size:clamp(1.45rem,2.9vw,2.05rem);letter-spacing:-.025em;line-height:1.12;
  margin:2.8rem 0 .9rem;text-wrap:balance;scroll-margin-top:84px}
.tresc h2:first-child{margin-top:0}
.tresc h3{font-family:var(--fdisplay);font-weight:700;
  font-size:clamp(1.1rem,1.9vw,1.3rem);letter-spacing:-.01em;
  margin:2rem 0 .6rem}
.tresc p{margin:0 0 1.1rem}
.tresc ul,.tresc ol{margin:0 0 1.3rem;padding-left:1.3rem}
.tresc li{margin:0 0 .55rem}
.tresc strong{font-weight:600}
.tresc a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.tresc a:hover{text-decoration-color:var(--accent)}

/* wyroznik: krok diagnostyczny */
.krok{border:1px solid var(--hair);border-left:3px solid var(--accent);
  border-radius:3px;background:var(--card);padding:1.3rem 1.4rem;margin:1.6rem 0}
.krok .nr{font-family:var(--fmono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .5rem}
.krok p:last-child{margin-bottom:0}

/* pudelko "z praktyki" */
.praktyka{background:var(--dark);color:var(--paper-on-dark);border-radius:3px;
  padding:1.5rem 1.5rem;margin:2rem 0}
.praktyka .nr{font-family:var(--fmono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent-bright);margin:0 0 .6rem}
.praktyka p{margin:0 0 .9rem}
.praktyka p:last-child{margin-bottom:0}
.praktyka strong{color:#fff}

/* uwaga / pulapka */
.uwaga{border:1px dashed var(--hair);border-radius:3px;padding:1.2rem 1.3rem;
  margin:1.8rem 0;background:color-mix(in srgb,var(--accent) 4%,var(--paper))}
.uwaga .nr{font-family:var(--fmono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin:0 0 .5rem}
.uwaga p:last-child{margin-bottom:0}

/* kod / sciezka w panelu */
code{font-family:var(--fmono);font-size:.88em;background:color-mix(in srgb,var(--ink) 6%,transparent);
  padding:.12em .38em;border-radius:2px;word-break:break-word}

/* tabela */
.tab{width:100%;border-collapse:collapse;margin:1.4rem 0 1.8rem;font-size:.95rem}
.tab th,.tab td{text-align:left;padding:.8rem .6rem;border-bottom:1px solid var(--hair);vertical-align:top}
.tab th{font-family:var(--fmono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);font-weight:400}

/* ---------- spis tresci ---------- */
.spis{position:sticky;top:84px;font-size:.9rem}
.spis p{font-family:var(--fmono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin:0 0 .9rem}
.spis ol{margin:0;padding:0;counter-reset:s;border-top:1px solid var(--hair)}
.spis li{list-style:none;counter-increment:s;border-bottom:1px solid var(--hair)}
.spis a{display:grid;grid-template-columns:2.4ch 1fr;gap:.7rem;
  padding:.7rem 0;text-decoration:none;color:var(--muted);line-height:1.35}
.spis a::before{content:counter(s,decimal-leading-zero);
  font-family:var(--fmono);font-size:.7rem;color:var(--accent);padding-top:.18rem}
.spis a:hover{color:var(--ink)}
@media(max-width:999px){.spis{position:static}}

/* ---------- CTA na koncu ---------- */
.cta-art{background:var(--dark-2);color:var(--paper-on-dark)}
.cta-art .wrap{padding-block:clamp(44px,6vw,80px)}
.cta-art h2{font-family:var(--fdisplay);font-weight:800;
  font-size:clamp(1.5rem,3.2vw,2.3rem);letter-spacing:-.025em;line-height:1.06;
  margin:.5rem 0 0;max-width:22ch}
.cta-art p{color:var(--muted-on-dark);max-width:54ch;margin:1.1rem 0 0}
.cta-art .eyebrow{color:var(--muted-on-dark)}
.cta-art .actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:2rem}

/* ---------- lista wpisow ---------- */
.lista{display:grid;gap:0;border-top:1px solid var(--hair);margin-top:2.4rem}
.lista article{border-bottom:1px solid var(--hair)}
.lista a{display:grid;gap:.5rem 2.4rem;padding:1.8rem 0;text-decoration:none}
@media(min-width:820px){.lista a{grid-template-columns:14ch 1fr}}
.lista .kat{font-family:var(--fmono);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--accent);padding-top:.35rem}
.lista h2{font-family:var(--fdisplay);font-weight:800;
  font-size:clamp(1.25rem,2.4vw,1.65rem);letter-spacing:-.02em;line-height:1.15;
  margin:0;text-wrap:balance;max-width:26ch}
.lista p{margin:.5rem 0 0;color:var(--muted);font-size:.96rem;max-width:60ch}
.lista a:hover h2{color:var(--accent)}

/* ---------- powiazane ---------- */
.powiazane{border-top:1px solid var(--hair);margin-top:3rem;padding-top:1.8rem}
.powiazane p.nag{font-family:var(--fmono);font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin:0 0 1rem}
.powiazane ul{margin:0;padding:0}
.powiazane li{list-style:none;border-bottom:1px solid var(--hair)}
.powiazane a{display:block;padding:.9rem 0;text-decoration:none;font-weight:500}
.powiazane a:hover{color:var(--accent)}

/* ---------- stopka ---------- */
footer{border-top:1px solid var(--hair);padding:2.2rem 0 3rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;
  align-items:baseline;font-size:.86rem;color:var(--muted)}
footer a{color:var(--muted)}