/* ==========================================================================
   Grupa Wdrożeniowa — arkusz stylów
   Język wizualny: hala magazynowa. Granat marki, atrament, sygnał hi-viz.
   ========================================================================== */

:root {
  /* kolor */
  --ink:        #0A1B33;
  --navy:       #13447C;
  --navy-deep:  #0D2C55;
  --signal:     #FFC629;   /* wypełnienia i linie — nigdy jako kolor drobnego tekstu na jasnym tle */
  --signal-dim: #8A5600;   /* bursztyn przyciemniony do roli tekstu: 6,2:1 na bieli, 5,4:1 na --stock */
  --paper:      #FFFFFF;
  --stock:      #EEF1F6;
  --rule:       #D3DAE6;
  --rule-dark:  #234a7d;
  --muted:      #5C6B82;
  --muted-dark: #9DB2CE;

  /* typografia */
  --display: 'Archivo', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', Consolas, monospace;

  /* rytm */
  --gap: clamp(1.5rem, 3vw, 2.5rem);
  --band: clamp(4rem, 8vw, 7.5rem);
  --wrap: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1.25rem, 4vw, 2.5rem); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--signal); color: var(--ink); padding: .75rem 1.25rem;
  font-family: var(--mono); font-size: .8rem;
}
.skip:focus { left: 0; }

:where(a, button, summary, input, textarea):focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

/* --- typografia ---------------------------------------------------------- */

.display {
  font-family: var(--display);
  font-weight: 700;
  font-stretch: 112%;
  line-height: .99;
  letter-spacing: -.022em;
  margin: 0;
  overflow-wrap: break-word;   /* zabezpieczenie: długie słowo nie rozpycha strony */
}

.h1 { font-size: clamp(2rem, 5.6vw, 4.3rem); }
.h2 { font-size: clamp(1.85rem, 3.5vw, 2.85rem); }
.h3 { font-size: clamp(1.1rem, 1.6vw, 1.3rem); font-stretch: 105%; letter-spacing: -.01em; }

.mono {
  font-family: var(--mono);
  font-size: .715rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.lead { font-size: clamp(1.05rem, 1.5vw, 1.22rem); color: var(--muted); max-width: 58ch; }
.on-dark .lead, .band--navy .lead { color: var(--muted-dark); }

.mark { /* podkreślenie sygnałowe pod kluczową frazą */
  background-image: linear-gradient(var(--signal), var(--signal));
  background-repeat: no-repeat;
  background-position: 0 88%;
  background-size: 100% .28em;
  padding-inline: .04em;
}

/* --- znacznik sekcji: bursztynowy kwadrat + etykieta + linia -------------- */

.tag {
  display: flex; align-items: center; gap: .85rem;
  margin: 0 0 clamp(1.75rem, 3vw, 2.75rem);
  color: var(--muted);
}
.tag::before {
  content: ""; flex: none;
  width: .7rem; height: .7rem;
  background: var(--signal);
}
.tag::after {
  content: ""; flex: 1 1 auto; height: 1px;
  background: var(--rule);
}
.band--navy .tag { color: var(--muted-dark); }
.band--navy .tag::after { background: var(--rule-dark); }

/* --- pasma --------------------------------------------------------------- */

.band { padding-block: var(--band); }
.band--stock { background: var(--stock); }
.band--navy { background: var(--navy-deep); color: #EAF0F9; }
.band--ink  { background: var(--ink); color: #EAF0F9; }
.band--navy .display, .band--ink .display { color: #fff; }

/* --- nagłówek ------------------------------------------------------------ */

.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.top__in { display: flex; align-items: center; gap: 1.5rem; min-height: 68px; }

.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; }
.brand img { width: 34px; height: 34px; }
.brand span {
  font-weight: 700; font-stretch: 118%; font-size: .82rem;
  letter-spacing: .1em; text-transform: uppercase; line-height: 1.15;
  max-width: 8.5em;
}

.nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.9rem); }
.nav a {
  text-decoration: none; font-size: .93rem; font-weight: 500;
  padding-block: .35rem; position: relative;
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 2px; background: var(--signal); transition: right .22s ease;
}
.nav a:hover::after, .nav a[aria-current="page"]::after { right: 0; }

.burger {
  display: none; background: none; border: 1px solid var(--rule);
  width: 42px; height: 38px; cursor: pointer; padding: 0;
  align-items: center; justify-content: center; gap: 4px; flex-direction: column;
}
.burger i { display: block; width: 18px; height: 2px; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }
.burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- przyciski ----------------------------------------------------------- */

.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .82rem 1.35rem; border-radius: 4px;
  font-weight: 600; font-size: .95rem; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .16s ease, background-color .16s ease, border-color .16s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--navy); color: #fff; }
.btn--primary:hover { background: var(--ink); }
.btn--signal { background: var(--signal); color: var(--ink); }
.btn--signal:hover { background: #FFD75E; }
.btn--ghost { border-color: var(--rule); color: var(--ink); }
.btn--ghost:hover { border-color: var(--navy); }
.band--navy .btn--ghost, .band--ink .btn--ghost { border-color: var(--rule-dark); color: #fff; }
.band--navy .btn--ghost:hover, .band--ink .btn--ghost:hover { border-color: var(--signal); }
.btn--sm { padding: .6rem 1rem; font-size: .88rem; }

.btn__arrow { transition: transform .2s ease; }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* --- hero ---------------------------------------------------------------- */

.hero { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(3.5rem, 7vw, 6rem); overflow: hidden; }
.hero__grid {
  display: grid; gap: clamp(2.5rem, 5vw, 4.5rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
}
.hero__eyebrow { color: var(--muted); margin: 0 0 1.4rem; }
.hero__eyebrow b { color: var(--navy); font-weight: 600; }
/* case study: znak wdrożonego systemu w jednej linii z nadtytułem */
.hero__eyebrow--brand { display: flex; align-items: center; gap: .85rem; flex-wrap: wrap; }
.hero__eyebrow-logo { display: block; height: 38px; width: auto; }
.hero .h1 { margin-bottom: 1.5rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2.2rem; }
.hero__note { margin: 1.6rem 0 0; color: var(--muted); font-size: .9rem; }

/* --- znak firmowy w hero strony głównej ---------------------------------- */

.sign { display: grid; justify-items: center; gap: 1.5rem; }
.sign__mark { width: min(320px, 62vw); height: auto; }
.sign__bar {
  width: min(320px, 62vw); height: 6px; background: var(--signal);
  transform-origin: left;
}
/* Liczba klientów prowadzona tak samo jak liczby w sekcji „Efekty" (.trust__v):
   Archivo 700, żeby licznik było widać z drugiego końca ekranu. Podpis pod nią
   zostaje drobnymi capsami. */
.sign__cap { display: grid; justify-items: center; gap: .4rem; text-align: center; }
.sign__num { font-family: var(--display); font-weight: 700; font-stretch: 112%; font-size: clamp(2rem, 3.4vw, 2.9rem); line-height: 1; letter-spacing: -.03em; color: var(--navy); font-variant-numeric: tabular-nums; }
.sign__lab { font-family: var(--mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
/* Miejsce na trzy cyfry rezerwujemy z góry i liczbę dosuwamy do prawej, żeby
   „+" i podpis nie drgały w trakcie liczenia od 0 do 500. W rezerwacji siedzi
   też odstęp międzyliterowy liczby (-.03em na znak). */
.sign__count { display: inline-block; min-width: calc(3ch - 3 * .03em); text-align: right; }

/* Bursztynowe czoło przebiega po znaku i zostawia za sobą granat, a pasek
   pod znakiem napełnia się w tym samym tempie — razem z licznikiem
   „500+ zadowolonych klientów", który main.js podpina pod animację paska.
   Jeden przebieg przy wejściu na stronę.

   Czoło i maska jadą po tej samej trasie z identycznym czasem i przebiegiem
   liniowym, więc granica koloru zawsze siedzi w bursztynie:
     maska  — dashoffset  --len → 0        (czoło = --len · t)
     czoło  — dashoffset  --seg → --seg-–len  (czoło = --len · t)
   --len (długość trasy) mierzy i ustawia main.js. */
/* zmienne na kontenerze, bo z czasu korzysta i znak, i pasek pod nim */
.sign { --dur: 4.2s; --delay: .45s; --end: 4.65s; /* --end = --delay + --dur */ }
.sign__wipe { fill: none; stroke: #fff; stroke-linecap: round; opacity: 0; }
.sign__head { fill: none; stroke: var(--signal); stroke-linecap: round; opacity: 0; --seg: 32; }
/* 17 to maksimum szerokości: pas obejmuje promień 33–50, a narożnik grotu
   strzałki leży na 51,8 — szerszy zaczepiałby o strzałkę już przy pierścieniu */
.sign__wipe, .sign__head { stroke-width: 17; }

/* Warunkiem jest klasa .js z synchronicznego skryptu w <head>, a nie klasa
   dokładana przez main.js — inaczej znak zdążyłby mrugnąć granatem przed
   startem przebiegu. Długość trasy ma zapas w var(), więc animacja działa
   nawet bez main.js; skrypt tylko uściśla ją zmierzoną wartością. */
@media (prefers-reduced-motion: no-preference) {
  .js .sign__wipe {
    opacity: 1;
    stroke-dasharray: calc(var(--len, 411) * 1px);
    stroke-dashoffset: calc(var(--len, 411) * 1px);
    animation: signWipe var(--dur) var(--delay) linear both;
  }
  .js .sign__head {
    opacity: 1;
    stroke-dasharray: calc(var(--seg) * 1px) calc(var(--len, 411) * 1px);
    stroke-dashoffset: calc(var(--seg) * 1px);
    animation: signHead var(--dur) var(--delay) linear both,
               signSparkOut .45s var(--end) linear forwards;
  }
  .js .sign__bar { animation: signBar var(--dur) var(--delay) linear both; }
  /* Domknięcie siedzi w samym CSS, nie na zdarzeniu animationend: pełny znak
     wraca do maski (zamyka drobne braki na grocie strzałki), a bursztyn gaśnie.
     Stan sprzed animacji podajemy jawnie w opacity, a animacja dokłada tylko
     „forwards" — wtedy z samego arkusza widać, co jest widoczne przed startem,
     bez wnioskowania z fill-mode. */
  .js .sign__whole {
    opacity: 0;
    animation: signSettle .45s var(--end) linear forwards;
  }
}
@keyframes signWipe { to { stroke-dashoffset: 0; } }
@keyframes signHead { to { stroke-dashoffset: calc((var(--seg) - var(--len, 411)) * 1px); } }
@keyframes signBar { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes signSettle { from { opacity: 0; } to { opacity: 1; } }
@keyframes signSparkOut { from { opacity: 1; } to { opacity: 0; } }

/* --- dwa filary działalności --------------------------------------------- */

.pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.pillar { background: var(--paper); padding: clamp(1.6rem, 3.2vw, 2.6rem); display: flex; flex-direction: column; gap: 1rem; }
.pillar__tag { font-family: var(--mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--signal-dim); }
/* Ramka ma stałą wysokość, żeby etykieta i nagłówek stały w obu kafelkach na jednej linii.
   Wysokość samego znaku jest dobrana osobno — proporcje są różne (Sellasist 5:3, AppsBusters 3,6:1),
   więc równa wysokość ramki dałaby wyraźnie różną wagę optyczną. Zrównane po wordmarku. */
.pillar__logo { display: flex; align-items: flex-end; height: 46px; margin-bottom: -.25rem; }
.pillar__logo img { display: block; width: auto; }
.pillar__logo--sa img { height: 46px; }
.pillar__logo--ab img { height: 30px; }
.pillar h3 { margin: 0; }
.pillar > p { margin: 0; color: var(--muted); }
.pillar ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .94rem; color: var(--muted); }
.pillar li { padding-left: 1.1rem; position: relative; }
.pillar li::before { content: ""; position: absolute; left: 0; top: .62em; width: 6px; height: 1px; background: var(--signal-dim); }
.pillar .btn { margin-top: auto; align-self: flex-start; }

/* --- pasek zaufania ------------------------------------------------------ */

.trust { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 2.5rem); }
.trust__i { border-top: 3px solid var(--signal); padding-top: 1.15rem; }
.trust__v { display: block; font-family: var(--display); font-weight: 700; font-stretch: 112%; font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1; letter-spacing: -.03em; }
.trust__k { display: block; margin-top: .6rem; color: var(--muted); font-size: .95rem; }
.band--navy .trust__v { color: #fff; }
.band--navy .trust__k { color: var(--muted-dark); }

@media (max-width: 860px) {
  .pillars { grid-template-columns: 1fr; }
  .trust { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* --- kolejka zamówień (sygnatura) ---------------------------------------- */

.queue {
  --rowh: 46px;
  --rows: 6;
  position: relative;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 6px;
  box-shadow: 0 24px 50px -30px rgba(10,27,51,.45);
  overflow: hidden;
}
.queue__head, .queue__foot {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  padding: .8rem 1.1rem; color: var(--muted);
}
.queue__head { border-bottom: 1px solid var(--rule); background: var(--stock); }
.queue__foot { border-top: 1px solid var(--rule); background: var(--stock); }
.queue__badge { display: inline-flex; align-items: center; gap: .45rem; color: var(--navy); }
.queue__badge::before { content: ""; width: .5rem; height: .5rem; background: var(--signal); border-radius: 50%; }

.queue__list { list-style: none; margin: 0; padding: 0; position: relative; }
.queue__row {
  display: grid;
  grid-template-columns: 6.5rem 1fr auto;
  align-items: center; gap: .75rem;
  height: var(--rowh); padding-inline: 1.1rem;
  border-bottom: 1px solid var(--stock);
  font-family: var(--mono); font-size: .78rem;
}
.queue__row:last-child { border-bottom: 0; }
.queue__chan { color: var(--navy); font-weight: 600; letter-spacing: .04em; }
.queue__id { color: var(--muted); }
.queue__st { position: relative; display: grid; justify-items: end; min-width: 6.8rem; }
.queue__st i { grid-area: 1 / 1; font-style: normal; }
.queue__st .is-a { color: var(--muted); }
.queue__st .is-b { color: var(--ink); font-weight: 600; opacity: 0; }
.queue__st .is-b::before { content: "✓ "; color: var(--signal-dim); }

.queue__scan {
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--signal);
  box-shadow: 0 0 18px 2px rgba(255,198,41,.75);
  opacity: 0;
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .queue__scan { animation: scan 8s cubic-bezier(.45,0,.55,1) infinite; }
  .queue__st .is-a { animation: fadeOut 8s steps(1, end) infinite; animation-delay: calc(var(--i) * .533s); }
  .queue__st .is-b { animation: fadeIn  8s steps(1, end) infinite; animation-delay: calc(var(--i) * .533s); }
}

@keyframes scan {
  0%   { transform: translateY(0);                       opacity: 0; }
  4%   { transform: translateY(calc(var(--rowh) * .1));  opacity: 1; }
  44%  { transform: translateY(calc(var(--rowh) * var(--rows))); opacity: 1; }
  50%, 100% { transform: translateY(calc(var(--rowh) * var(--rows))); opacity: 0; }
}
@keyframes fadeOut { 0%, 6% { opacity: 1; } 7%, 88% { opacity: 0; } 89%, 100% { opacity: 1; } }
@keyframes fadeIn  { 0%, 6% { opacity: 0; } 7%, 88% { opacity: 1; } 89%, 100% { opacity: 0; } }

/* bez ruchu: pokazujemy stan docelowy */
@media (prefers-reduced-motion: reduce) {
  .queue__scan { display: none; }
  .queue__st .is-a { opacity: 0; }
  .queue__st .is-b { opacity: 1; }
}

/* --- moduły systemu (OMS / PIM / WMS / ERP) ------------------------------ */

.mods { display: grid; gap: 1px; background: var(--rule-dark); border: 1px solid var(--rule-dark); grid-template-columns: repeat(4, 1fr); }
.mod { background: var(--navy-deep); padding: clamp(1.4rem, 2.4vw, 2rem); display: flex; flex-direction: column; gap: .9rem; }
.mod__code { color: var(--signal); }
.mod h3 { margin: 0; color: #fff; }
.mod ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .5rem; font-size: .92rem; color: var(--muted-dark); }
.mod li { padding-left: 1rem; position: relative; }
.mod li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 1px; background: var(--signal); }
.mod__link { margin-top: auto; padding-top: .4rem; font-size: .88rem; font-weight: 600; color: #fff; text-decoration: none; border-bottom: 1px solid var(--rule-dark); align-self: flex-start; transition: border-color .2s ease; }
.mod__link:hover { border-color: var(--signal); }

/* --- pasek specyfikacji (wysyłka) ---------------------------------------- */

.spec { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.spec__item { background: var(--paper); padding: 1.35rem 1.4rem; display: grid; gap: .35rem; }
.spec__item dt { font-weight: 600; font-size: .98rem; }
.spec__item dd { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.55; }

/* --- tor magazynowy (sekwencja — numeracja uzasadniona) ------------------ */

.rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); margin-top: 2rem; }
.rail__step { background: var(--paper); padding: clamp(1.3rem, 2.2vw, 1.8rem); position: relative; }
.rail__step::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--signal); transform: scaleX(var(--fill, 1)); transform-origin: left; }
.rail__no { color: var(--navy); display: block; margin-bottom: .7rem; }
.rail__step h3 { margin: 0 0 .5rem; }
.rail__step p { margin: 0; color: var(--muted); font-size: .93rem; }

.facts { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.8rem; }
.fact {
  font-family: var(--mono); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase;
  border: 1px solid var(--rule); background: var(--paper); padding: .55rem .9rem; border-radius: 3px;
}
.fact b { color: var(--navy); font-weight: 600; }

/* --- liczby -------------------------------------------------------------- */

.nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.5rem, 3vw, 3rem); }
.num { border-top: 3px solid var(--signal); padding-top: 1.3rem; }
.num__v { font-family: var(--display); font-weight: 700; font-stretch: 112%; font-size: clamp(2.2rem, 4.2vw, 3.4rem); line-height: 1; letter-spacing: -.03em; color: #fff; display: block; }
.num__k { display: block; margin: .85rem 0 .5rem; font-weight: 600; color: #fff; }
.num p { margin: 0; color: var(--muted-dark); font-size: .93rem; }
.nums__note { margin: clamp(2rem, 4vw, 3rem) 0 0; color: var(--muted-dark); font-size: .88rem; max-width: 62ch; border-left: 2px solid var(--rule-dark); padding-left: 1rem; }

/* --- przewagi (lista atutów) --------------------------------------------- */

.edge { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 clamp(2rem, 4vw, 3.5rem); }
.edge__i { display: grid; grid-template-columns: auto 1fr; gap: .9rem; padding: 1.05rem 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.edge__i span { font-family: var(--mono); font-size: .7rem; color: var(--signal-dim); letter-spacing: .1em; }
.edge__i p { margin: 0; }
.edge__i b { font-weight: 600; }

/* --- proces wdrożenia (sekwencja) ---------------------------------------- */

.steps { display: grid; gap: 0; counter-reset: step; margin-top: 1rem; }
.step {
  display: grid; grid-template-columns: 4.5rem 1fr; gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.3rem, 2.4vw, 1.9rem) 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--rule); }
.step__no { font-family: var(--mono); font-size: .78rem; color: var(--navy); padding-top: .3rem; letter-spacing: .1em; }
.step h3 { margin: 0 0 .4rem; }
.step p { margin: 0; color: var(--muted); max-width: 62ch; }
.step__meta { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--signal-dim); margin-top: .6rem; display: block; }

/* --- pytania (spec sheet, nie akordeon-ozdobnik) ------------------------- */

.qa { border-top: 1px solid var(--rule); margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.qa__i { border-bottom: 1px solid var(--rule); border-left: 3px solid transparent; transition: border-color .2s ease; }
.qa__i[open] { border-left-color: var(--signal); background: var(--paper); }
.qa__i summary {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem;
  padding: 1.15rem clamp(.9rem, 2vw, 1.4rem); cursor: pointer; list-style: none;
  font-weight: 600; font-size: clamp(1rem, 1.5vw, 1.12rem); font-stretch: 104%;
}
.qa__i summary::-webkit-details-marker { display: none; }
.qa__i summary::after {
  content: "＋"; flex: none; font-family: var(--mono); font-size: .95rem; color: var(--navy);
  transition: transform .2s ease;
}
.qa__i[open] summary::after { content: "－"; }
.qa__i summary:hover { color: var(--navy); }
.qa__i p { margin: 0; padding: 0 clamp(.9rem, 2vw, 1.4rem) 1.35rem; color: var(--muted); max-width: 72ch; }

/* --- karty aplikacji (strona AppsBusters) -------------------------------- */

.apps { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.1rem; }
.app {
  display: flex; flex-direction: column; gap: .55rem;
  padding: 1.4rem 1.5rem; text-decoration: none;
  border: 1px solid var(--rule); border-radius: 5px; background: var(--paper);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.app:hover { border-color: var(--navy); transform: translateY(-3px); box-shadow: 0 18px 36px -26px rgba(10,27,51,.6); }
.app__tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--signal-dim); }
.app__name { font-weight: 700; font-stretch: 108%; font-size: 1.05rem; line-height: 1.25; }
.app p { margin: 0; color: var(--muted); font-size: .92rem; line-height: 1.55; }
.app__go { margin-top: auto; padding-top: .6rem; font-size: .86rem; font-weight: 600; color: var(--navy); }
.app:hover .app__go { color: var(--ink); }

/* --- blok krzyżowy (odesłanie na drugą stronę) --------------------------- */

.cross { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; border: 1px solid var(--rule); border-left: 4px solid var(--signal); padding: clamp(1.6rem, 3.4vw, 2.6rem); background: var(--paper); }
.cross h2 { margin: .3rem 0 .7rem; }
.cross p { margin: 0; color: var(--muted); max-width: 56ch; }

/* --- kontakt ------------------------------------------------------------- */

.contact { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.contact ol { margin: 0; padding: 0; list-style: none; display: grid; gap: .1rem; }
.contact ol li { display: grid; grid-template-columns: 2.4rem 1fr; gap: .8rem; padding: .85rem 0; border-bottom: 1px solid var(--rule-dark); }
.contact ol li span { font-family: var(--mono); font-size: .72rem; color: var(--signal); letter-spacing: .1em; padding-top: .25rem; }
.contact ol li p { margin: 0; color: #EAF0F9; }
.contact__mail { font-family: var(--display); font-weight: 700; font-stretch: 108%; font-size: clamp(1.15rem, 2.4vw, 1.6rem); color: #fff; text-decoration: none; border-bottom: 2px solid var(--signal); letter-spacing: -.01em; overflow-wrap: anywhere; }
.contact__mail:hover { color: var(--signal); }

/* --- stopka -------------------------------------------------------------- */

.foot { background: var(--ink); color: #B9C7DC; padding-block: clamp(2.5rem, 5vw, 4rem) 2rem; font-size: .9rem; }
.foot__grid { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: clamp(1.75rem, 4vw, 3rem); }
.foot img { width: 40px; height: 40px; margin-bottom: 1rem; }
.foot h4 { font-size: .72rem; font-family: var(--mono); letter-spacing: .14em; text-transform: uppercase; color: #8DA2C0; margin: 0 0 1rem; font-weight: 500; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--signal); }
.foot__legal {
  display: grid; grid-template-columns: auto 1fr;
  gap: .5rem 1.1rem; margin: 0; align-items: baseline;
  max-width: 17rem; padding-top: 1.1rem; border-top: 1px solid #1D3355;
}
.foot__legal dt { font-family: var(--mono); font-size: .64rem; letter-spacing: .14em; text-transform: uppercase; color: #7F94B4; }
.foot__legal dd { margin: 0; font-family: var(--mono); font-size: .82rem; color: #DCE5F0; letter-spacing: .03em; }
.foot__bar { margin-top: clamp(2rem, 4vw, 3rem); padding-top: 1.5rem; border-top: 1px solid #1D3355; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: #7F94B4; font-size: .82rem; }

/* ==========================================================================
   BAZA WIEDZY — indeks i artykuły
   ========================================================================== */

/* --- okruszki ------------------------------------------------------------ */

.crumbs { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0 0 1.5rem; padding: 0; list-style: none; font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.crumbs li::after { content: "/"; margin-left: .45rem; color: var(--rule); }
.crumbs li:last-child::after { display: none; }
.crumbs a { text-decoration: none; color: var(--navy); }
.crumbs a:hover { color: var(--ink); }

/* --- lista artykułów ----------------------------------------------------- */

.posts { display: grid; gap: 0; border-top: 1px solid var(--rule); }
.post {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1rem clamp(1.5rem, 4vw, 3rem);
  align-items: center; padding: clamp(1.4rem, 3vw, 2.1rem) 0;
  border-bottom: 1px solid var(--rule); text-decoration: none;
  transition: padding-left .2s ease;
}
.post:hover { padding-left: .7rem; }
.post__tag { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--signal-dim); display: block; margin-bottom: .5rem; }
.post__t { font-weight: 700; font-stretch: 106%; font-size: clamp(1.15rem, 2.1vw, 1.5rem); line-height: 1.2; letter-spacing: -.015em; display: block; margin-bottom: .5rem; }
.post:hover .post__t { color: var(--navy); }
.post p { margin: 0; color: var(--muted); font-size: .95rem; max-width: 68ch; }
.post__meta { font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }

/* --- artykuł ------------------------------------------------------------- */

.art { padding-block: clamp(2.5rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem); }
.art__head { max-width: 62rem; }
.art__head .h1 { font-size: clamp(2rem, 4.4vw, 3.35rem); margin-bottom: 1.25rem; }
.art__meta { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; margin: 1.75rem 0 0; padding: 1rem 0 0; border-top: 1px solid var(--rule); font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

.art__grid { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; gap: clamp(2rem, 5vw, 4.5rem); align-items: start; margin-top: clamp(2.5rem, 5vw, 3.5rem); }

.art__body { max-width: 70ch; font-size: 1.075rem; }
.art__body > * + * { margin-top: 1.15em; }
.art__body h2 { font-family: var(--display); font-weight: 700; font-stretch: 108%; font-size: clamp(1.5rem, 2.6vw, 2rem); line-height: 1.15; letter-spacing: -.018em; margin-top: 2.6em; margin-bottom: .1em; scroll-margin-top: 90px; }
.art__body h2:first-child { margin-top: 0; }
.art__body h3 { font-family: var(--display); font-weight: 700; font-stretch: 104%; font-size: clamp(1.12rem, 1.7vw, 1.28rem); line-height: 1.3; margin-top: 2em; margin-bottom: .1em; scroll-margin-top: 90px; }
.art__body p { color: #24354f; }
.art__body a { color: var(--navy); text-decoration: underline; text-underline-offset: .18em; text-decoration-thickness: 1px; }
.art__body a:hover { color: var(--ink); text-decoration-color: var(--signal); text-decoration-thickness: 2px; }

/* Przyciski w treści artykułu NIE dziedziczą stylu linku — inaczej granatowy tekst
   ląduje na granatowym tle i napis znika. Specyficzność musi przebić .art__body a. */
.art__body .btn,
.art__body .btn:hover,
.art__body .rel a,
.art__body .rel a:hover { text-decoration: none; }
.art__body .btn--primary, .art__body .btn--primary:hover { color: #fff; }
.art__body .btn--signal, .art__body .btn--signal:hover { color: var(--ink); }
.art__body .btn--ghost, .art__body .btn--ghost:hover { color: var(--ink); }
.art__body .rel a { color: var(--ink); }
.art__body .rel a b { color: var(--ink); }
.art__body ul, .art__body ol { padding-left: 1.3rem; color: #24354f; }
.art__body li + li { margin-top: .45em; }
.art__body ul { list-style: none; padding-left: 0; }
.art__body ul li { padding-left: 1.4rem; position: relative; }
.art__body ul li::before { content: ""; position: absolute; left: 0; top: .68em; width: 8px; height: 1px; background: var(--signal-dim); }
.art__body strong { font-weight: 600; color: var(--ink); }
.art__body figure { margin-inline: 0; }
.art__body table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.art__body th, .art__body td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
.art__body th { font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); font-weight: 500; background: var(--stock); }
.art__body .wide { overflow-x: auto; }

/* pudełko „najważniejsze informacje” — pod featured snippet */
.key { border: 1px solid var(--rule); border-left: 4px solid var(--signal); background: var(--stock); padding: clamp(1.2rem, 2.6vw, 1.75rem); }
.key h2 { margin-top: 0 !important; font-size: 1.15rem !important; }
.key ul { margin-top: .9em; }

/* definicja — wyróżniony akapit odpowiedzi */
.def { border-left: 4px solid var(--navy); padding: .35rem 0 .35rem 1.4rem; font-size: clamp(1.08rem, 1.6vw, 1.22rem); line-height: 1.55; }
.def p { color: var(--ink) !important; margin: 0; }
.def strong { color: var(--navy); }

/* wezwanie w treści */
.callout { border: 1px solid var(--rule); border-top: 3px solid var(--signal); background: var(--paper); padding: clamp(1.3rem, 3vw, 1.9rem); }
.callout p { margin: 0 0 1rem !important; }
.callout .btn { margin: 0; }

/* --- spis treści (sticky) ------------------------------------------------ */

.toc { position: sticky; top: 92px; }
.toc h2 { font-family: var(--mono); font-size: .7rem; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; font-weight: 500; }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; border-left: 1px solid var(--rule); }
.toc li { counter-increment: toc; }
.toc a { display: block; padding: .5rem 0 .5rem 1rem; margin-left: -1px; border-left: 2px solid transparent; text-decoration: none; font-size: .88rem; line-height: 1.35; color: var(--muted); }
.toc a:hover { color: var(--ink); border-left-color: var(--rule); }
.toc a.is-here { color: var(--ink); border-left-color: var(--signal); font-weight: 500; }

/* --- powiązane ----------------------------------------------------------- */

.rel { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
/* Karty bywają umieszczane na ciemnym paśmie — kolory ustawiamy wprost,
   inaczej jasny tekst dziedziczony z .band--navy ląduje na białej karcie. */
.rel a { display: block; padding: 1.2rem 1.3rem; border: 1px solid var(--rule); border-radius: 5px; text-decoration: none; background: var(--paper); color: var(--ink); transition: border-color .18s ease, transform .18s ease; }
.rel a:hover { border-color: var(--navy); transform: translateY(-3px); }
.rel span { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--signal-dim); display: block; margin-bottom: .5rem; }
.rel b { font-weight: 700; font-stretch: 104%; font-size: 1rem; line-height: 1.3; display: block; color: var(--ink); }

/* --- przypisy ------------------------------------------------------------ */

.notes { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--rule); font-size: .85rem; color: var(--muted); }
.notes h2 { font-family: var(--mono) !important; font-size: .7rem !important; letter-spacing: .13em; text-transform: uppercase; margin: 0 0 .9em !important; font-weight: 500 !important; }
.notes ol { padding-left: 1.2rem; }
.notes a { word-break: break-all; }

@media (max-width: 980px) {
  .art__grid { grid-template-columns: 1fr; }
  .toc { position: static; border: 1px solid var(--rule); padding: 1.2rem 1.3rem; background: var(--stock); order: -1; }
  .toc ol { border-left: 0; }
  .toc a { padding-left: 0; border-left: 0; }
  .toc a:hover, .toc a.is-here { border-left: 0; }
}
@media (max-width: 620px) {
  .post { grid-template-columns: 1fr; }
  .post__meta { order: -1; }
}

/* --- pojawianie się przy przewijaniu ------------------------------------- */

/* Ukrywamy tylko wtedy, gdy JS działa (klasa .js nadawana w <head>).
   Bez skryptu treść jest widoczna od razu — nic nie znika. */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
  .js .reveal.is-in { opacity: 1; transform: none; }
}

/* --- responsywność ------------------------------------------------------- */

@media (max-width: 1000px) {
  .mods { grid-template-columns: repeat(2, 1fr); }
  .rail { grid-template-columns: repeat(2, 1fr); }
  .nums { grid-template-columns: 1fr; gap: 2rem; }
  .contact { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .cross { grid-template-columns: 1fr; }

  /* Znak firmowy na samą górę, zaraz pod nim nagłówek. Kolejność w DOM zostaje
     bez zmian — na desktopie i dla czytnika ekranu jest poprawna — więc obie
     kolumny rozpuszczamy przez display: contents i układamy same elementy
     właściwością order. Odstępy niosą marginesy, dlatego gap idzie do zera.
     Wszystko wisi na .hero__grid--sign, żeby nie ruszyć hero na /sellasist/. */
  .hero__grid--sign { gap: 0; }
  .hero__grid--sign > .hero__copy,
  .hero__grid--sign > .sign { display: contents; }

  /* Znak, pasek i licznik klientów jadą jednym blokiem — licznik odmierza się
     razem z paskiem (main.js czyta postęp jego animacji), więc rozdzielone
     pokazywałyby tę samą animację w dwóch miejscach ekranu. */
  .hero__grid--sign .sign__mark    { order: 1; display: block; margin: 0 auto 1.1rem; }
  .hero__grid--sign .sign__bar     { order: 2; margin: 0 auto 1.2rem; }
  .hero__grid--sign .sign__cap     { order: 3; margin-bottom: 2.4rem; }
  .hero__grid--sign .h1            { order: 4; }
  .hero__grid--sign .hero__eyebrow { order: 5; }
  .hero__grid--sign .lead          { order: 6; }
  .hero__grid--sign .hero__cta     { order: 7; }
  .hero__grid--sign .hero__note    { order: 8; }
  .hero__grid--sign .sign .btn     { order: 9; margin: 1.6rem auto 0; }

  .burger { display: flex; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--rule);
    padding: .5rem clamp(1.25rem, 4vw, 2.5rem) 1.25rem;
    display: none;
  }
  .nav[data-open="true"] { display: flex; }
  .nav a { padding-block: .8rem; border-bottom: 1px solid var(--stock); }
  .nav a::after { display: none; }
  .nav .btn { margin-top: .8rem; justify-content: center; }
}

@media (max-width: 620px) {
  .mods { grid-template-columns: 1fr; }
  .rail { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: .5rem; }
  .queue { --rowh: 42px; }
  .queue__row { grid-template-columns: 5.2rem 1fr auto; font-size: .72rem; padding-inline: .8rem; }
  .queue__st { min-width: 5.9rem; }
}