/* ==========================================================================
   Portfolio - /portfolio/
   Mobile first. Wariant A ("showreel") = domyslny, wariant B ("edytorial")
   nadpisuje go na dole pliku (.pf--b). Wariant ustawiasz w portfolio.json.
   ========================================================================== */

.pf {
  --pf-header-h: 70px;
  --pf-radius: 18px;
  --pf-gap: 0.75rem;
}

/* ---------- filtry ---------- */

.pf-filters {
  position: sticky;
  top: var(--pf-header-h);
  z-index: 50;
  background: rgba(12, 10, 10, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.pf-filters__inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  scrollbar-width: none;
}
.pf-filters__inner::-webkit-scrollbar { display: none; }

.pf-filter {
  flex-shrink: 0;
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.pf-filter:hover { color: var(--color-text); }
.pf-filter.is-active {
  border-color: var(--color-accent);
  color: var(--color-accent-light);
  background: rgba(255, 90, 60, 0.08);
}

/* ---------- sekcje ---------- */

.pf-section {
  padding: 2.5rem 0;
  /* po kliknieciu w menu naglowek sekcji laduje tuz pod paskiem menu */
  scroll-margin-top: calc(var(--pf-header-h) + var(--pf-filters-h, 50px) - 1.5rem);
}
.pf-section[hidden] { display: none; }

.pf-section__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 0.75rem;
  margin-bottom: 1.25rem;
}

.pf-section__head h2 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0;
}

.pf-section__head p {
  flex-basis: 100%;
  margin: 0.25rem 0 0;
  max-width: 560px;
}

.pf-section__num {
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

/* wspolny "techniczny" znacznik na pracy (REEL · 9:16 · 0:12) */
.pf-tag {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 2;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: rgba(12, 10, 10, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.pf-caption__brand {
  display: block;
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.pf-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- rolki ---------- */

.pf-grid--rolki {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  /* wyjscie do krawedzi ekranu na telefonie */
  margin: 0 calc(var(--space-sm) * -1);
  padding: 0 var(--space-sm) 0.5rem;
  scroll-padding: 0 var(--space-sm);
}
.pf-grid--rolki::-webkit-scrollbar { display: none; }

.pf-reel {
  flex: 0 0 auto;
  width: min(72vw, 340px);
  margin: 0;
  scroll-snap-align: start;
}
.pf-reel--featured { width: min(80vw, 420px); }

.pf-reel__frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--pf-radius);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  isolation: isolate;
}
.pf-reel--featured .pf-reel__frame {
  border-color: var(--color-border-glow);
  box-shadow: var(--shadow-card), 0 0 60px rgba(255, 90, 60, 0.18);
}

.pf-reel__poster,
.pf-reel__poster img,
.pf-reel__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* ta sama proporcja co rama - nic nie jest przycinane */
}

.pf-reel__video {
  opacity: 0;
  transition: opacity 0.4s ease;
  cursor: pointer;
}
.pf-reel.is-playing .pf-reel__video { opacity: 1; }

.pf-reel__sound {
  position: absolute;
  right: 0.6rem;
  bottom: 0.9rem;
  z-index: 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(247, 243, 240, 0.18);
  background: rgba(12, 10, 10, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.pf-reel__sound svg { width: 20px; height: 20px; }
.pf-reel__sound:hover { border-color: var(--color-accent); }
.pf-reel__sound .pf-icon-on { display: none; }
.pf-reel__sound[aria-pressed="true"] { background: var(--color-accent); border-color: var(--color-accent); color: #1a0d08; }
.pf-reel__sound[aria-pressed="true"] .pf-icon-on { display: block; }
.pf-reel__sound[aria-pressed="true"] .pf-icon-off { display: none; }

.pf-reel__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  height: 3px;
  width: 100%;
  background: var(--gradient-accent);
  transform-origin: left;
  transform: scaleX(var(--pf-progress, 0));
}

/* ---------- galeria (content, reklamy, nowe foldery) ---------- */

/* Wyrownane rzedy: kazdy rzad ma ta sama wysokosc, szerokosc pracy wynika z jej
   proporcji (--ar) - pion, kwadrat i poziom ukladaja sie bez przycinania i bez dziur. */
.pf-grid--galeria {
  --pf-row: 190px;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem var(--pf-gap);
}
.pf-item {
  margin: 0;
  flex-grow: var(--ar);
  flex-basis: calc(var(--ar) * var(--pf-row));
  /* ostatni, niepelny rzad nie rozdmuchuje sie do gigantycznych rozmiarow */
  max-width: calc(var(--ar) * var(--pf-row) * 1.6);
  min-width: 0;
}

/* "wyrozniony": true - wiekszy kafel w rzedzie */
.pf-item--featured {
  flex-grow: calc(var(--ar) * 2);
  flex-basis: calc(var(--ar) * var(--pf-row) * 1.8);
  max-width: none;
}

.pf-item__open {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  overflow: hidden;
  cursor: zoom-in;
  isolation: isolate;
}
.pf-item__open img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--transition-med);
}
.pf-item__open:hover img { transform: scale(1.03); }
.pf-item__open:focus-visible,
.pf-case__proof:focus-visible,
.pf-reel__sound:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.pf-item__zoom {
  position: absolute;
  right: 0.6rem;
  bottom: 0.6rem;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(12, 10, 10, 0.6);
  color: var(--color-text);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}
.pf-item__zoom svg { width: 16px; height: 16px; }
.pf-item__open:hover .pf-item__zoom,
.pf-item__open:focus-visible .pf-item__zoom { opacity: 1; transform: none; }
@media (hover: none) {
  .pf-item__zoom { opacity: 1; transform: none; }
}

/* ---------- wyniki: karty case study ---------- */

.pf-grid--wyniki {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.pf-case {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.5rem;
}

.pf-case--featured {
  border-color: var(--color-border-glow);
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(255, 90, 60, 0.16), transparent 60%),
    var(--color-bg-card-glass);
}

.pf-case__hero {
  margin: 0;
  display: flex;
  flex-direction: column;
  color: var(--color-text);
}

.pf-case__number {
  font-size: clamp(3rem, 13vw, 4.25rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 0.08em;
  /* licznik nie skacze szerokoscia podczas animacji */
  min-width: 4ch;
}
.pf-case--featured .pf-case__number { font-size: clamp(3.6rem, 17vw, 6.5rem); }

.pf-case__unit {
  font-size: 1.05rem;
  font-weight: 700;
  margin-top: 0.35rem;
}

.pf-case__badge {
  align-self: flex-start;
  margin: -0.25rem 0 0;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-glow);
  background: rgba(255, 90, 60, 0.1);
  color: var(--color-accent-light);
  font-size: 0.85rem;
  font-weight: 700;
}

.pf-case__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.pf-case__stats li { display: flex; flex-direction: column; }
.pf-case__stats strong { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.pf-case__stats span { font-size: 0.8rem; color: var(--color-text-secondary); }

.pf-case__meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem 1rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}
.pf-case__meta dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}
.pf-case__meta dd {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.pf-case__title { font-size: 1.05rem; margin: 0; }
.pf-case__desc { font-size: 0.9rem; margin: -0.75rem 0 0; }

.pf-case__proof {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: zoom-in;
  color: var(--color-text-secondary);
}
.pf-case__shot {
  display: block;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}
.pf-case__shot img { width: 100%; height: 100%; object-fit: contain; }
.pf-case__proof:hover .pf-case__shot { border-color: var(--color-accent); }

.pf-case__proof-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
}
.pf-case__proof-label svg { width: 14px; height: 14px; color: var(--color-accent); }
.pf-case__proof:hover .pf-case__proof-label { color: var(--color-text); }

/* ---------- CTA ---------- */

.pf-cta { padding: 3rem 0 4rem; }

.pf-cta__box {
  position: relative;
  overflow: hidden;
  padding: 2.25rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-glow);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 90, 60, 0.22), transparent 60%),
    radial-gradient(70% 90% at 0% 100%, rgba(255, 138, 110, 0.12), transparent 60%),
    var(--color-bg-card);
}
.pf-cta__box h2 { max-width: 20ch; }
.pf-cta__box p { max-width: 520px; }
.pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
@media (max-width: 480px) {
  .pf-cta__actions .btn { width: 100%; }
}

/* ---------- lightbox ---------- */

.pf-lb {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: rgba(8, 6, 6, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity 0.25s ease;
  touch-action: none;
}
.pf-lb[hidden] { display: none; }
.pf-lb.is-open { opacity: 1; }

.pf-lb__stage {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  max-width: 100vw;
  padding: 3.5rem 0.75rem 1rem;
}

.pf-lb__media {
  display: grid;
  place-items: center;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.pf-lb__media.is-dragging { transition: none; }
.pf-lb__media img {
  max-width: calc(100vw - 1.5rem);
  max-height: calc(100svh - 8rem);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.pf-lb__caption {
  display: flex;
  gap: 1rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  text-align: center;
}
.pf-lb__count { font-variant-numeric: tabular-nums; }

.pf-lb__close,
.pf-lb__nav {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(247, 243, 240, 0.16);
  background: rgba(24, 18, 18, 0.7);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition-fast);
}
.pf-lb__close:hover,
.pf-lb__nav:hover { border-color: var(--color-accent); }
.pf-lb__close svg,
.pf-lb__nav svg { width: 22px; height: 22px; }

.pf-lb__close { top: 0.75rem; right: 0.75rem; }
.pf-lb__nav { top: 50%; transform: translateY(-50%); }
.pf-lb__nav--prev { left: 0.75rem; }
.pf-lb__nav--next { right: 0.75rem; }
.pf-lb__nav[hidden] { display: none; }

/* na telefonie strzalki nie zaslaniaja zdjecia - jest swipe */
@media (max-width: 719px) {
  .pf-lb__nav { display: none; }
}

html.pf-lb-open { overflow: hidden; }

/* ---------- tablet+ ---------- */

@media (min-width: 720px) {
  .pf { --pf-gap: 1.25rem; }

  .pf-section { padding: 4rem 0; }
  .pf-section__head { margin-bottom: 2rem; }

  .pf-grid--rolki {
    margin: 0;
    padding: 0 0 0.5rem;
    scroll-padding: 0;
    gap: 1.5rem;
  }
  /* wysokosc rolki nigdy nie wieksza niz ekran */
  .pf-reel { width: min(28vw, 320px, calc((100svh - 220px) * 0.5625)); }
  .pf-reel--featured { width: min(34vw, 400px, calc((100svh - 180px) * 0.5625)); }

  .pf-grid--galeria { --pf-row: 300px; }

  .pf-grid--wyniki { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
  .pf-case { padding: 2rem; }
  .pf-case--featured { grid-column: 1 / -1; }

  .pf-cta__box { padding: 3.5rem; }
}

@media (min-width: 960px) {
  .pf-case--featured {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    align-items: center;
    gap: 2.5rem;
  }
  .pf-case--featured .pf-case__body { display: flex; flex-direction: column; gap: 1.25rem; }
  .pf-case:not(.pf-case--featured) .pf-case__body { display: contents; }
}

@media (max-width: 959px) {
  .pf-case__body { display: contents; }
}

/* ==========================================================================
   WARIANT B - "edytorial"
   ========================================================================== */

.pf--b {
  --pf-display: "Oswald", "Arial Narrow", var(--font-sans);
  --pf-radius: 4px;
}

.pf--b .pf-filters { background: rgba(12, 10, 10, 0.94); }
.pf--b .pf-filter {
  border: 0;
  border-radius: 0;
  padding: 0.45rem 0.25rem;
  margin-right: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  background: none;
  border-bottom: 2px solid transparent;
}
.pf--b .pf-filter.is-active { border-bottom-color: var(--color-accent); color: var(--color-text); background: none; }

.pf--b .pf-section { border-bottom: 1px solid var(--color-border); }
.pf--b .pf-section__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 0 1rem;
}
.pf--b .pf-section__num {
  font-family: var(--pf-display);
  font-size: clamp(3.5rem, 14vw, 7rem);
  line-height: 0.8;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--color-accent);
}
.pf--b .pf-section__head h2 {
  font-family: var(--pf-display);
  text-transform: uppercase;
  font-weight: 500;
  letter-spacing: 0.01em;
  font-size: clamp(1.4rem, 4vw, 2.4rem);
}
.pf--b .pf-section__head p { grid-column: 1 / -1; margin-top: 1rem; }

.pf--b .pf-tag {
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  padding: 0;
  top: 0.75rem;
  left: 0.75rem;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.6);
}

.pf--b .pf-reel__frame,
.pf--b .pf-item__open { border-radius: var(--pf-radius); border: 0; }
.pf--b .pf-reel--featured .pf-reel__frame { box-shadow: var(--shadow-card); }

.pf--b .pf-case {
  background: none;
  backdrop-filter: none;
  box-shadow: none;
  border: 0;
  border-top: 1px solid var(--color-text);
  border-radius: 0;
  padding: 1.25rem 0 0;
}
.pf--b .pf-case--featured { border-top: 3px solid var(--color-accent); }
.pf--b .pf-case__number {
  font-family: var(--pf-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: none;
  color: var(--color-text);
  -webkit-text-fill-color: currentColor;
}
.pf--b .pf-case--featured .pf-case__number { color: var(--color-accent); }
.pf--b .pf-case__badge { border-radius: 0; background: none; border: 0; border-left: 2px solid var(--color-accent); padding: 0 0 0 0.6rem; }
.pf--b .pf-case__meta { grid-template-columns: 1fr; gap: 0; border-top: 0; padding: 0; }
.pf--b .pf-case__meta > div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dotted rgba(247, 243, 240, 0.18);
}
.pf--b .pf-case__meta dd { margin: 0; text-align: right; }
.pf--b .pf-case__shot { border-radius: 2px; }

.pf--b .pf-cta__box {
  border-radius: 0;
  border: 0;
  border-top: 3px solid var(--color-accent);
  background: none;
  padding: 2.5rem 0 0;
}
.pf--b .pf-cta__box h2 {
  font-family: var(--pf-display);
  text-transform: uppercase;
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1;
}

@media (max-width: 719px) {
  .pf--b .pf-grid--galeria { flex-direction: column; }
  .pf--b .pf-item { max-width: none; }
}

@media (min-width: 720px) {
  /* rolki obok siebie zamiast karuzeli */
  .pf--b .pf-grid--rolki {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    gap: 2rem;
  }
  .pf--b .pf-reel,
  .pf--b .pf-reel--featured { width: auto; }

  /* galeria w ukladzie magazynowym: 2 w rzedzie, przesuniete */
  .pf--b .pf-item { max-width: none; }
  .pf--b .pf-grid--galeria {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 3rem 2rem;
    align-items: start;
  }
  .pf--b .pf-item { margin: 0; }
  .pf--b .pf-item:nth-child(4n + 1) { grid-column: 1 / span 7; }
  .pf--b .pf-item:nth-child(4n + 2) { grid-column: 8 / span 5; margin-top: 6rem; }
  .pf--b .pf-item:nth-child(4n + 3) { grid-column: 2 / span 5; }
  .pf--b .pf-item:nth-child(4n + 4) { grid-column: 7 / span 6; margin-top: 3rem; }

  .pf--b .pf-grid--wyniki { gap: 3rem 2.5rem; }
  .pf--b .pf-case { padding: 1.5rem 0 0; }
}