.taak-stack {
  --taak-sticky-top: 120px;
  --taak-stack-gap: 110px;
  --taak-collapsed-height: 380px;
  --taak-card-padding-v3: 5%;
  --taak-radius: 28px;
  --taak-expand-speed: 450ms;
  --taak-a-bg: #25BBFC;
  --taak-a-text: #011231;
  --taak-b-bg: #0B3C6D;
  --taak-b-text: #FFFFFF;
  --taak-c-bg: #E6F7FD;
  --taak-c-text: #0B3C6D;
  --taak-button-bg: #FFFFFF;
  --taak-button-text: #011231;
  width: 100%;
  min-width: 0;
  overflow: visible;
}

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

.taak-stack__wrapper {
  width: 100%;
  min-width: 0;
  overflow: visible;
}

.taak-stack__card {
  position: sticky;
  top: var(--taak-sticky-top);
  z-index: calc(10 + var(--taak-card-index));
  width: 100%;
  min-width: 0;
  margin: 0 0 var(--taak-stack-gap);
  border-radius: var(--taak-radius);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .14);
  overflow: hidden;
  transform: translateZ(0);
  --taak-effective-collapsed-height: var(--taak-effective-height-desktop, var(--taak-collapsed-height));
  height: var(--taak-effective-collapsed-height);
  transition: box-shadow .25s ease;
}

.taak-stack__card.is-expanded,
.taak-stack__card.is-collapsing {
  height: auto;
}

.taak-stack__card.is-expanded,
.taak-stack__card.is-collapsing {
  z-index: 999;
  box-shadow: 0 34px 90px rgba(0, 0, 0, .20);
}

.taak-stack__card:nth-of-type(3n + 1) {
  background: var(--taak-a-bg);
  color: var(--taak-a-text);
}

.taak-stack__card:nth-of-type(3n + 2) {
  background: var(--taak-b-bg);
  color: var(--taak-b-text);
}

.taak-stack__card:nth-of-type(3n) {
  background: var(--taak-c-bg);
  color: var(--taak-c-text);
}

/*
 * 1.2.0: padding należy wyłącznie do shellu karty.
 * Nie ingerujemy w szerokości .e-con / .e-con-inner template'u Elementora.
 */
.taak-stack__card-shell {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  padding: var(--taak-card-padding-v3, 5%);
}

.taak-stack__card.is-expanded .taak-stack__card-shell,
.taak-stack__card.is-collapsing .taak-stack__card-shell {
  height: auto;
}

.taak-stack__viewport {
  position: relative;
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  transition: max-height var(--taak-expand-speed) cubic-bezier(.2,.7,.2,1);
}

.taak-stack__card.is-expanded .taak-stack__viewport,
.taak-stack__card.is-collapsing .taak-stack__viewport {
  flex: 0 0 auto;
}

.taak-stack__template {
  width: 100%;
  min-width: 0;
}

/*
 * Rozwinięta karta nie rośnie bez końca. Jeśli content przekracza dostępną
 * wysokość viewportu, scroll odbywa się wewnątrz karty. Dzięki temu document
 * scroll (a więc kolejne sticky cards) pozostaje nieruchomy do końca contentu.
 */
.taak-stack__card.is-expanded.is-scrollable .taak-stack__viewport {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(1, 18, 49, .28) transparent;
  scrollbar-color: color-mix(in srgb, currentColor 28%, transparent) transparent;
  scrollbar-gutter: stable;
  -webkit-overflow-scrolling: touch;
}

.taak-stack__card.is-expanded.is-scrollable .taak-stack__viewport::-webkit-scrollbar {
  width: 6px;
}

.taak-stack__card.is-expanded.is-scrollable .taak-stack__viewport::-webkit-scrollbar-track {
  background: transparent;
}

.taak-stack__card.is-expanded.is-scrollable .taak-stack__viewport::-webkit-scrollbar-thumb {
  background: rgba(1, 18, 49, .24);
  background: color-mix(in srgb, currentColor 24%, transparent);
  border-radius: 999px;
}

.taak-stack__card.is-expanded.is-scrollable .taak-stack__viewport:hover::-webkit-scrollbar-thumb {
  background: rgba(1, 18, 49, .38);
  background: color-mix(in srgb, currentColor 38%, transparent);
}

.taak-stack__viewport:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: -3px;
}

/*
 * Wyrównujemy wyłącznie bezpośredni dokument Elementora do szerokości rodzica.
 * Nie dotykamy żadnych kontenerów projektowych użytkownika (.e-con), dzięki
 * czemu układy 30/70, 50/50 itd. pozostają dokładnie takie jak w template'cie.
 */
.taak-stack__template > .elementor,
.taak-stack__template > [data-elementor-type] {
  width: 100%;
  max-width: none;
  min-width: 0;
}

.taak-stack__card:not(.is-expanded) .taak-card-expanded-only {
  display: none !important;
}

.taak-stack__card.is-expanded .taak-card-collapsed-only {
  display: none !important;
}

.taak-card-expand,
.taak-card-collapse {
  cursor: pointer;
}

.taak-stack__controls {
  display: none;
  align-items: center;
  gap: 12px;
  padding: 18px 0 0;
}

.taak-stack__card.is-overflowing .taak-stack__controls {
  display: flex;
}

.taak-stack__card--no-auto-expand:not(.is-expanded) .taak-stack__controls {
  display: none;
}

.taak-stack__control {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 20px;
  border: 0;
  border-radius: 999px;
  background: var(--taak-button-bg);
  color: var(--taak-button-text);
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, opacity .2s ease;
}

.taak-stack__control:hover {
  transform: translateY(-2px);
}

.taak-stack__control:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.taak-stack__control--collapse {
  display: none;
}

.taak-stack__card.is-expanded .taak-stack__control--expand {
  display: none;
}

.taak-stack__card.is-expanded .taak-stack__control--collapse {
  display: inline-flex;
}

/* Fallback dla kart z wersji 1.0.0 / nieudanej migracji. */
.taak-stack__legacy {
  display: grid;
  grid-template-columns: minmax(0, 42%) minmax(0, 1fr);
  gap: clamp(22px, 4vw, 56px);
  align-items: stretch;
  width: 100%;
}

.taak-stack__legacy-media {
  overflow: hidden;
  border-radius: calc(var(--taak-radius) * .68);
}

.taak-stack__legacy-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.taak-stack__legacy-body {
  min-width: 0;
  align-self: center;
}

.taak-stack__legacy h2 {
  margin: 0 0 16px;
  color: inherit;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1.08;
}

.taak-stack__legacy-excerpt,
.taak-stack__legacy-content {
  font-size: 18px;
  line-height: 1.6;
}

.taak-stack__legacy-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--taak-button-bg);
  color: var(--taak-button-text);
  font-weight: 700;
  text-decoration: none;
}

.taak-stack__tail {
  width: 1px;
  height: var(--taak-tail, 0px);
  pointer-events: none;
}

.taak-stack-empty {
  padding: 20px;
  border: 1px dashed currentColor;
  opacity: .7;
}

@media (min-width: 768px) and (max-width: 1024px) {
  .taak-stack__card {
    --taak-effective-collapsed-height: var(--taak-effective-height-tablet, var(--taak-collapsed-height));
  }
}

@media (max-width: 767px) {
  .taak-stack {
    --taak-sticky-top: 72px;
    --taak-stack-gap: 72px;
    --taak-collapsed-height: 320px;
  }

  .taak-stack__card {
    --taak-effective-collapsed-height: var(--taak-effective-height-mobile, var(--taak-collapsed-height));
  }

  .taak-stack__legacy {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .taak-stack__legacy-media img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .taak-stack__legacy h2 {
    font-size: clamp(24px, 7vw, 32px);
  }

  .taak-stack__legacy-excerpt,
  .taak-stack__legacy-content {
    font-size: 16px;
    line-height: 1.55;
  }

  .taak-stack__control {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .taak-stack__card,
  .taak-stack__viewport,
  .taak-stack__control {
    transition: none !important;
  }
}