/* aiportal24.pl — wspólny arkusz stylów
   Estetyka: ciemny "tech/AI", akcent neonowy fiolet+cyan, karty z obwódką */

:root {
  --bg: #0a0b14;
  --bg-soft: #12141f;
  --bg-card: #161927;
  --bg-card-hover: #1c2032;
  --border: #262a3d;
  --border-glow: #383e5c;
  --text: #e6e8f0;
  --text-dim: #9aa0b8;
  --text-faint: #6b7192;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-grad: linear-gradient(120deg, #7c5cff 0%, #22d3ee 100%);
  --good: #34d399;
  --bad: #fb7185;
  --warn: #fbbf24;
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1120px;
  --shadow: 0 10px 40px rgba(0,0,0,.35);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(600px 400px at 80% -5%, rgba(124,92,255,.12), transparent 70%),
    radial-gradient(500px 400px at 10% 0%, rgba(34,211,238,.08), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---------- HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,11,20,.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex; align-items: center; gap: 28px;
  height: 66px;
}
.logo { display: flex; align-items: center; gap: 9px; font-weight: 800; font-size: 1.22rem; letter-spacing: -.02em; }
.logo .mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--accent-grad);
  display: grid; place-items: center;
  font-size: .95rem; color: #0a0b14; font-weight: 900;
  box-shadow: 0 0 18px rgba(124,92,255,.5);
}
.logo b { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: .95rem; transition: color .18s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-cta {
  background: var(--accent-grad); color: #0a0b14 !important;
  padding: 9px 16px; border-radius: 9px; font-weight: 700 !important;
}
.nav-toggle { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 7px 10px; font-size: 1.1rem; cursor: pointer; }

@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; background: var(--bg-soft); border-bottom: 1px solid var(--border); padding: 14px 22px; gap: 14px; }
  .nav-links.open { display: flex; }
  .nav-links a { margin: 0; }
  .nav-toggle { display: block; margin-left: auto; }
}

/* ---------- HERO ---------- */
.hero { padding: 72px 0 48px; text-align: center; }
.hero .eyebrow {
  display: inline-block; font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent-2); border: 1px solid var(--border-glow); border-radius: 999px; padding: 6px 15px; margin-bottom: 22px;
  background: rgba(34,211,238,.06);
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.08; letter-spacing: -.03em; font-weight: 800; margin-bottom: 18px; }
.hero h1 .grad { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--text-dim); max-width: 640px; margin: 0 auto 30px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- BUTTONS ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 10px; font-weight: 700; font-size: .96rem; transition: transform .15s, box-shadow .15s, background .15s; cursor: pointer; border: none; }
.btn-primary { background: var(--accent-grad); color: #0a0b14; box-shadow: 0 6px 24px rgba(124,92,255,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(124,92,255,.5); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-glow); }
.btn-ghost:hover { background: var(--bg-card); border-color: var(--accent); }

/* ---------- SECTIONS ---------- */
section { padding: 46px 0; position: relative; z-index: 1; }
.section-head { margin-bottom: 30px; }
.section-head h2 { font-size: 1.85rem; letter-spacing: -.02em; font-weight: 800; }
.section-head p { color: var(--text-dim); margin-top: 6px; }
.section-head.center { text-align: center; }
.section-head.center p { max-width: 600px; margin: 6px auto 0; }

/* ---------- GRID / CARDS ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; transition: transform .16s, border-color .16s, background .16s;
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-3px); border-color: var(--border-glow); background: var(--bg-card-hover); }
.card .tag { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-2); margin-bottom: 10px; }
.card h3 { font-size: 1.15rem; margin-bottom: 8px; letter-spacing: -.01em; }
.card p { color: var(--text-dim); font-size: .93rem; flex: 1; }
.card .more { margin-top: 14px; color: var(--accent); font-weight: 600; font-size: .9rem; }
.card:hover .more { color: var(--accent-2); }

/* tool card with icon */
.tool-card .ico { width: 44px; height: 44px; border-radius: 11px; background: rgba(124,92,255,.14); border: 1px solid var(--border-glow); display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 14px; }

/* rating chip */
.rating { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--warn); }
.rating .val { color: var(--text); }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; padding: 3px 9px; border-radius: 6px; }
.badge-free { background: rgba(52,211,153,.14); color: var(--good); }
.badge-paid { background: rgba(124,92,255,.16); color: #b6a4ff; }
.badge-pl { background: rgba(34,211,238,.12); color: var(--accent-2); }

/* ---------- ARTICLE / CONTENT ---------- */
.article { max-width: 780px; margin: 0 auto; padding: 44px 0; }
.breadcrumbs { font-size: .85rem; color: var(--text-faint); margin-bottom: 20px; }
.breadcrumbs a:hover { color: var(--accent-2); }
.article h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; letter-spacing: -.02em; margin-bottom: 14px; }
.article .meta { color: var(--text-faint); font-size: .88rem; margin-bottom: 28px; display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.article h2 { font-size: 1.5rem; margin: 38px 0 14px; letter-spacing: -.01em; }
.article h3 { font-size: 1.2rem; margin: 26px 0 10px; }
.article p { margin-bottom: 16px; color: #cfd3e4; }
.article ul, .article ol { margin: 0 0 18px 22px; color: #cfd3e4; }
.article li { margin-bottom: 8px; }
.article a.inline { color: var(--accent-2); border-bottom: 1px solid rgba(34,211,238,.35); }
.article a.inline:hover { border-color: var(--accent-2); }
.lead-p { font-size: 1.12rem; color: var(--text-dim) !important; }

.callout { background: var(--bg-card); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: var(--radius-sm); padding: 16px 18px; margin: 22px 0; }
.callout strong { color: var(--text); }

/* pros / cons */
.proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
@media (max-width: 620px) { .proscons { grid-template-columns: 1fr; } }
.pc-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px; }
.pc-box h4 { font-size: 1rem; margin-bottom: 10px; }
.pc-box ul { list-style: none; margin: 0; }
.pc-box li { padding-left: 24px; position: relative; margin-bottom: 8px; font-size: .93rem; }
.pc-good li::before { content: "+"; position: absolute; left: 0; color: var(--good); font-weight: 900; }
.pc-bad li::before { content: "−"; position: absolute; left: 0; color: var(--bad); font-weight: 900; }

/* tables */
.table-wrap { overflow-x: auto; margin: 22px 0; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: .92rem; min-width: 480px; }
th, td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); }
th { background: var(--bg-soft); font-weight: 700; color: var(--text); }
tr:last-child td { border-bottom: none; }
td { color: var(--text-dim); }

/* verdict box */
.verdict { background: linear-gradient(135deg, rgba(124,92,255,.12), rgba(34,211,238,.06)); border: 1px solid var(--border-glow); border-radius: var(--radius); padding: 24px; margin: 30px 0; display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.verdict .score { font-size: 2.6rem; font-weight: 900; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.verdict .score small { display: block; font-size: .7rem; color: var(--text-faint); font-weight: 600; -webkit-text-fill-color: var(--text-faint); }

/* ranking list */
.rank-item { display: flex; gap: 18px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; align-items: flex-start; }
.rank-item:hover { border-color: var(--border-glow); }
.rank-num { font-size: 1.6rem; font-weight: 900; color: var(--accent); min-width: 44px; height: 44px; border-radius: 10px; background: rgba(124,92,255,.12); display: grid; place-items: center; flex-shrink: 0; }
.rank-body h3 { font-size: 1.2rem; margin-bottom: 4px; }
.rank-body .sub { color: var(--text-faint); font-size: .85rem; margin-bottom: 8px; }
.rank-body p { color: var(--text-dim); font-size: .93rem; margin-bottom: 10px; }

/* FAQ */
.faq details { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; background: var(--bg-card); }
.faq summary { padding: 15px 18px; cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 18px 16px; color: var(--text-dim); font-size: .93rem; }

/* ---------- CALCULATOR ---------- */
.calc { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; margin: 26px 0; }
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
@media (max-width: 620px) { .calc-row { grid-template-columns: 1fr; } }
.field label { display: block; font-size: .85rem; font-weight: 600; color: var(--text-dim); margin-bottom: 7px; }
.field input, .field select { width: 100%; background: var(--bg-soft); border: 1px solid var(--border-glow); color: var(--text); border-radius: 9px; padding: 11px 13px; font-size: .95rem; font-family: var(--font); }
.field input:focus, .field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(124,92,255,.15); }
.calc-result { background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(34,211,238,.07)); border: 1px solid var(--border-glow); border-radius: var(--radius); padding: 22px; margin-top: 22px; text-align: center; }
.calc-result .big { font-size: 2.4rem; font-weight: 900; background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.calc-result .lbl { color: var(--text-dim); font-size: .9rem; }
.calc-note { font-size: .82rem; color: var(--text-faint); margin-top: 10px; }

/* ---------- CTA STRIP ---------- */
.cta-strip { background: linear-gradient(135deg, rgba(124,92,255,.14), rgba(34,211,238,.07)); border: 1px solid var(--border-glow); border-radius: var(--radius); padding: 40px; text-align: center; margin: 40px 0; }
.cta-strip h2 { font-size: 1.7rem; margin-bottom: 10px; }
.cta-strip p { color: var(--text-dim); margin-bottom: 22px; }

/* ---------- FOOTER ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 44px 0 30px; background: var(--bg-soft); position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 34px; }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 460px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--text-faint); margin-bottom: 14px; }
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a { color: var(--text-dim); font-size: .92rem; }
.footer-grid a:hover { color: var(--accent-2); }
.footer-about p { color: var(--text-dim); font-size: .92rem; margin-top: 12px; max-width: 300px; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 22px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; color: var(--text-faint); font-size: .85rem; }

/* affiliate disclosure */
.aff-note { font-size: .8rem; color: var(--text-faint); background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 15px; margin: 22px 0; }

/* pill filter row */
.pills { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.pill { padding: 8px 16px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-card); color: var(--text-dim); font-size: .88rem; font-weight: 500; cursor: pointer; transition: all .15s; }
.pill:hover, .pill.active { border-color: var(--accent); color: var(--text); background: var(--bg-card-hover); }

/* updated date badge */
.fresh { display: inline-flex; align-items: center; gap: 6px; color: var(--good); font-size: .84rem; font-weight: 600; }
.fresh::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }

/* ---------- Grafiki dekoracyjne (dodane 2026-08-09) -----------------------
   UWAGA: ten blok musi zostac NAD znacznikiem GEO. patch_seo.py oraz
   engine.ensure_ac_css obcinaja arkusz od swoich znacznikow w dol i przy
   najblizszym przebiegu autopilota skasowalyby wszystko dopisane na koncu.
   Krawedzie wygaszamy maska CSS, wiec brak pliku .webp = stary wyglad,
   a nie zepsuta strona.                                                    */

/* Tlo strony startowej. Zdjecie idzie w PELNEJ sile, a przyciemniamy je tylko
   punktowo pod tekstem hero — przy jednolitym `opacity` nie bylo go widac:
   72% pikseli tej grafiki ma luminancje < 25, wiec .32 dawalo srednia roznice
   3/255 wzgledem czystego tla.
   Warstwa jest `absolute`, nie `fixed` — przy `fixed` sekcje nizej przewijaja
   sie przez najjasniejsza czesc zdjecia i kazdy naglowek trzeba by chronic. */
body.home::after {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  /* Wysokosc stala, nie 100vh — przy 100vh na wysokim ekranie pas siegal
     sekcji "Kategorie" i jej lead spadal do 3,0:1. Wysoki pas (1300) trzyma
     `cover` w mocnym przyblizeniu, przez co pod hero trafia ciemniejszy
     fragment kadru; wygaszenie konczy sie na 65% = 845 px, czyli nad sekcja,
     ktora zaczyna sie na 875 px. */
  height: 1300px;
  z-index: 0;
  pointer-events: none;
  /* Dwie deklaracje: pierwsza z JPEG-iem lapie przegladarki bez WebP i bez
     `image-set()` (iOS <= 13, stare WebView), druga nadpisuje ja WebP-em tam,
     gdzie `image-set()` z `type()` jest rozumiane. Przegladarka, ktora nie zna
     `image-set()`, odrzuca cala druga deklaracje i zostaje przy JPEG-u. */
  background:
    radial-gradient(70% 40% at 50% 22%, rgba(10,11,20,.80) 0%, rgba(10,11,20,.44) 50%, rgba(10,11,20,0) 82%),
    linear-gradient(to bottom, rgba(10,11,20,.06) 0%, rgba(10,11,20,.38) 40%, var(--bg) 65%),
    url("bg-home.jpg") center top / cover no-repeat;
  background:
    radial-gradient(70% 40% at 50% 22%, rgba(10,11,20,.80) 0%, rgba(10,11,20,.44) 50%, rgba(10,11,20,0) 82%),
    linear-gradient(to bottom, rgba(10,11,20,.06) 0%, rgba(10,11,20,.38) 40%, var(--bg) 65%),
    image-set(url("bg-home.webp") type("image/webp"),
              url("bg-home.jpg")  type("image/jpeg")) center top / cover no-repeat;
}
/* Lead i przycisk-duch leza poza najciemniejszym rdzeniem scrimu, wiec zamiast
   dokladac ciemnosci wszedzie podnosimy je lokalnie (jak breadcrumbs na podstronach). */
body.home .hero p.lead { color: var(--text); }
body.home .btn-ghost { background: rgba(10,11,20,.55); }

/* pas graficzny na podstronach — siedzi pod sticky headerem (66 px) */
.page-art {
  position: absolute;
  top: 66px; left: 0; right: 0;
  height: 420px;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
/* <picture> jest inline, wiec bez tego `height: 100%` na <img> nie ma sie
   do czego odniesc i pas traci wysokosc. */
.page-art picture { display: block; width: 100%; height: 100%; }
.page-art img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: .42;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,.9) 0%, rgba(0,0,0,.45) 55%, transparent 100%);
          mask-image: linear-gradient(to bottom, rgba(0,0,0,.9) 0%, rgba(0,0,0,.45) 55%, transparent 100%);
}
/* Przyciemnienie gory pasa. Tekst zajmuje cala jego wysokosc, wiec bez tego
   breadcrumbs (--text-faint) schodza na jasnych fragmentach do 1,6:1.
   Z tym: 5,1:1 przy zachowanej widocznosci grafiki. */
.page-art::after {
  content: "";
  position: absolute;
  /* Rozpisane na cztery wlasnosci zamiast `inset: 0` — skrot jest nowszy niz
     WebP (Safari 14.1), wiec na tych samych starych urzadzeniach scrim by sie
     nie narysowal i tekst siadlby na nieprzyciemnionej grafice. */
  top: 0; right: 0; bottom: 0; left: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10,11,20,.52) 0%, rgba(10,11,20,.24) 50%, rgba(10,11,20,0) 80%);
}
/* Na stronach z pasem drobny tekst w --text-faint musi isc o stopien wyzej.
   Bez tego pasek metadanych nad jasna czescia wykresu ma 2,7:1. */
.page-art ~ .wrap .breadcrumbs,
.page-art ~ .wrap .article .meta { color: var(--text-dim); }

@media (max-width: 860px) {
  .page-art { height: 280px; }
  .page-art img { opacity: .32; }
  /* Hero jest tu duzo wyzsze (konczy sie na ~1231 px zamiast 829), wiec pas
     i punkt wygaszenia ida w dol; sekcja "Kategorie" zaczyna sie na 1277 px. */
  body.home::after {
    height: 1550px;
    background:
      radial-gradient(120% 28% at 50% 18%, rgba(10,11,20,.75) 0%, rgba(10,11,20,.41) 50%, rgba(10,11,20,0) 82%),
      linear-gradient(to bottom, rgba(10,11,20,.06) 0%, rgba(10,11,20,.36) 49%, var(--bg) 81%),
      url("bg-home.webp") center top / cover no-repeat;
  }
}

/* ---------- GEO: blok "W skrócie" (dodane 2026-08-01) ---------------------
   Odpowiedź podana wprost, na samej górze strony — to ten fragment cytują
   wyszukiwarki generatywne. Styl korzysta ze zmiennych motywu tej witryny,
   więc działa w wersji jasnej i ciemnej bez osobnych reguł.                */
.geo-tldr {
  margin: 26px 0 30px;
  padding: 20px 24px;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e5e7eb);
  border-left: 5px solid var(--accent, #2563eb);
  border-radius: 12px;
}
.geo-tldr-head {
  margin: 0 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent, #2563eb);
}
.geo-tldr-answer {
  margin: 0 0 12px;
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text, #111827);
}
.geo-tldr-list { margin: 0; padding-left: 20px; }
.geo-tldr-list li {
  margin: 5px 0;
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--text-dim, #4b5563);
}
@media (max-width: 640px) {
  .geo-tldr { padding: 16px 18px; }
  .geo-tldr-answer { font-size: 1rem; }
}

/* ---------- Komponenty autopilota tresci (ac-*) --------------------------
   Uzywane przez podstrony dokladane automatycznie co dwa dni. Kolory,
   typografia i zaokraglenia biora sie ze zmiennych motywu tej witryny,
   wiec komponent wyglada u siebie w kazdym z pieciu serwisow.            */
/* Szerokosc i wysrodkowanie ustawiamy tutaj, a nie liczymy na klase kontenera
   witryny: czesc serwisow uzywa `.container`, czesc `.wrap`, a cwiczwdomu.pl
   nie ma zadnej z nich. Komponent musi wygladac poprawnie wszedzie. */
.ac-page { max-width: 860px; margin-left: auto; margin-right: auto;
           padding: 26px 20px 56px; }
.ac-crumbs { font-size: .86rem; color: var(--text-dim, #64748b); margin: 0 0 18px; }
.ac-crumbs a { color: inherit; }
.ac-kicker {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: var(--accent, #2563eb); color: #fff;
  font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase;
}
.ac-page h1 { margin: 14px 0 10px; line-height: 1.18; }
.ac-meta { display: flex; flex-wrap: wrap; gap: 16px; font-size: .86rem;
           color: var(--text-dim, #64748b); margin-bottom: 6px; }
.ac-toc { margin: 26px 0; padding: 18px 22px; border: 1px solid var(--border, #e5e7eb);
          border-radius: 12px; background: var(--bg-card, #fff); }
.ac-toc strong { display: block; margin-bottom: 8px; font-size: .82rem;
                 letter-spacing: .08em; text-transform: uppercase; color: var(--text-dim, #64748b); }
.ac-toc ol { margin: 0; padding-left: 20px; }
.ac-toc li { margin: 4px 0; }
.ac-page h2 { margin: 34px 0 12px; line-height: 1.28; }
.ac-page p, .ac-page li { line-height: 1.72; }
.ac-note { margin: 22px 0; padding: 16px 20px; border-radius: 12px;
           background: var(--bg-card, #fff); border: 1px solid var(--border, #e5e7eb);
           border-left: 5px solid var(--accent, #2563eb); }
.ac-faq { margin: 10px 0; border: 1px solid var(--border, #e5e7eb); border-radius: 12px;
          background: var(--bg-card, #fff); overflow: hidden; }
.ac-faq > summary { cursor: pointer; padding: 15px 20px; font-weight: 600;
                    list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.ac-faq > summary::-webkit-details-marker { display: none; }
.ac-faq > summary::after { content: "+"; font-weight: 700; color: var(--accent, #2563eb); }
.ac-faq[open] > summary::after { content: "\2013"; }
.ac-faq > div { padding: 0 20px 16px; color: var(--text-dim, #4b5563); }
.ac-src { margin-top: 30px; font-size: .84rem; color: var(--text-dim, #64748b); }

/* rycina, powiazane strony i blok "O tej tresci" */
.ac-fig { margin: 26px 0; }
.ac-fig img { display: block; width: 100%; height: auto; border-radius: 14px;
              border: 1px solid var(--border, #e5e7eb); }
.ac-fig figcaption { margin-top: 8px; font-size: .84rem; color: var(--text-dim, #64748b); }
.ac-related { margin: 30px 0; padding: 18px 22px; border-radius: 12px;
              background: var(--bg-card, #fff); border: 1px solid var(--border, #e5e7eb); }
.ac-related strong { display: block; margin-bottom: 8px; font-size: .82rem;
                     letter-spacing: .08em; text-transform: uppercase;
                     color: var(--text-dim, #64748b); }
.ac-related ul { margin: 0; padding-left: 20px; }
.ac-related li { margin: 5px 0; }
.ac-about { margin: 34px 0 0; padding: 20px 22px; border-radius: 12px;
            background: var(--bg-card, #fff); border: 1px solid var(--border, #e5e7eb);
            font-size: .92rem; }
.ac-about h2 { margin: 0 0 10px; font-size: 1.05rem; }
.ac-about p { margin: 0 0 10px; }
.ac-about .ac-about-h { font-weight: 600; margin-top: 14px; }
.ac-about ul { margin: 6px 0 0; padding-left: 20px; }
.ac-about li { margin: 4px 0; }

/* kalkulator */
.ac-calc { margin: 26px 0; padding: 22px; border-radius: 14px;
           border: 1px solid var(--border, #e5e7eb); background: var(--bg-card, #fff); }
.ac-field { margin-bottom: 14px; }
.ac-field label { display: block; margin-bottom: 5px; font-size: .88rem; font-weight: 600; }
.ac-field input, .ac-field select {
  width: 100%; padding: 11px 13px; font-size: 1rem; font: inherit;
  border: 1px solid var(--border, #cbd5e1); border-radius: 10px;
  background: var(--bg-card, #fff); color: var(--text, #111827);
}
.ac-btn { width: 100%; padding: 13px 18px; border: 0; border-radius: 10px; cursor: pointer;
          background: var(--accent, #2563eb); color: #fff; font-size: 1rem; font-weight: 700; }
.ac-out { margin-top: 18px; padding: 18px; border-radius: 12px;
          background: var(--bg-card, #fff); border: 1px dashed var(--border, #cbd5e1); }
.ac-out-main { font-size: 1.9rem; font-weight: 800; color: var(--accent, #2563eb); line-height: 1.2; }
.ac-out-label { font-size: .8rem; letter-spacing: .07em; text-transform: uppercase;
                color: var(--text-dim, #64748b); }
.ac-row { display: flex; justify-content: space-between; gap: 14px; padding: 8px 0;
          border-top: 1px solid var(--border, #e5e7eb); font-size: .95rem; }
.ac-row b { font-variant-numeric: tabular-nums; }
@media (max-width: 640px) { .ac-calc { padding: 16px; } .ac-out-main { font-size: 1.5rem; } }