/* by.mairon — portfolio.css
   Edytorskie portfolio: 3 sekcje (18-stki · Sport · Reportaż) + podfiltry per-grupa.
   Spójne z main.css: te same zmienne (--blue, --glass-*, Playfair/DM Sans), cursor:none,
   masonry na CSS columns (zero CLS, brak „budowania się" layoutu). */

/* ── Sekcja ── */
#portfolio { padding-top: 120px; padding-bottom: 130px; }

.pf-intro {
  max-width: 720px;
  margin: 0 auto 64px;
  text-align: center;
}
.pf-intro .tag-label { justify-content: center; }
.pf-intro .portfolio-intro {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  max-width: 540px;
  margin: 6px auto 0;
}

/* ── Grupa (jedna z trzech) ── */
.pg {
  max-width: 1280px;
  margin: 0 auto;
  padding: 56px 0;
  border-top: 1px solid var(--glass-border);
}
.pg:first-of-type { border-top: none; padding-top: 8px; }

/* Nagłówek grupy: wielki numer + tytuł + licznik + podfiltry */
.pg-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 26px;
  margin-bottom: 38px;
}
.pg-index {
  font-family: var(--f-display);
  font-size: clamp(46px, 7vw, 92px);
  font-weight: 400;
  line-height: 0.8;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(94,160,255,0.6);
  text-stroke: 1.5px rgba(94,160,255,0.6);
  opacity: 1;
  text-shadow: 0 0 30px rgba(59,130,246,0.18);
  user-select: none;
}
.pg-head-text { display: flex; flex-direction: column; gap: 4px; margin-right: auto; }
.pg-title {
  font-family: var(--f-display);
  font-size: clamp(28px, 3.4vw, 44px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.05;
  color: var(--text-primary);
}
.pg-count {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.pg-count-num { color: var(--text-accent); font-variant-numeric: tabular-nums; }

/* Podfiltry — lekkie taby (tylko Sport / Reportaż) */
.pg-subs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-self: center;
}
.pg-sub {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  padding: 9px 18px;
  border-radius: 100px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  cursor: none;
  transition: color .3s var(--ease-out), border-color .3s var(--ease-out),
              background .3s var(--ease-out), box-shadow .3s var(--ease-out),
              transform .3s var(--ease-out);
}
.pg-sub:hover { color: var(--text-primary); border-color: var(--blue-line); transform: translateY(-2px); }
.pg-sub.is-active {
  color: var(--text-accent);
  background: var(--blue-subtle);
  border-color: var(--blue-line);
  box-shadow: 0 0 16px var(--blue-glow);
}

/* ── Masonry (CSS columns — brak skoków layoutu) ── */
.pg-grid {
  columns: 3;
  column-gap: 12px;
  transition: opacity .25s var(--ease-out);
}

.pg-item {
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  margin: 0 0 12px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  cursor: none;
  border: 1px solid rgba(255,255,255,0.05);
  background: var(--glass-bg);
  transform: translateZ(0);
  transition: border-color .4s var(--ease-out), box-shadow .45s var(--ease-out);
}
.pg-item::before {
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(135deg, rgba(59,130,246,0.10) 0%, transparent 55%);
  opacity: 0;
  transition: opacity .4s;
  pointer-events: none;
}
.pg-item:hover {
  border-color: var(--blue-line);
  box-shadow: 0 22px 48px -18px rgba(0,0,0,0.78), 0 0 24px var(--blue-glow);
}
.pg-item:hover::before { opacity: 1; }

.pg-item img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  filter: brightness(0.82) saturate(0.82);
  transform: scale(1.03);
  transition: transform .8s var(--ease-out), filter .5s;
}
.pg-item:hover img { transform: scale(1.07); filter: brightness(0.55) saturate(0.68); }

/* Ikona „powiększ" */
.pg-zoom {
  position: absolute;
  top: 14px; right: 14px;
  z-index: 3;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--text-primary);
  background: rgba(3,9,18,0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity .35s, transform .35s;
  pointer-events: none;
  font-size: 13px;
}
.pg-item:hover .pg-zoom { opacity: 1; transform: scale(1); }

/* Podpis */
.pg-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  padding: 34px 18px 18px;
  background: linear-gradient(to top, rgba(3,9,18,0.92) 0%, rgba(3,9,18,0.4) 55%, transparent 100%);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .4s var(--ease-out), transform .4s var(--ease-out);
  pointer-events: none;
}
.pg-item:hover .pg-cap { opacity: 1; transform: translateY(0); }
.pg-cap-cat {
  display: inline-block;
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-accent);
}
.pg-cap-title {
  display: block;
  margin-top: 6px;
  font-family: var(--f-display);
  font-size: 17px;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Filtrowanie + pusta kategoria */
.pg-hide { display: none !important; }
.pg-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 48px 20px;
  font-size: 14px;
  letter-spacing: 0.02em;
}
.pg-empty[hidden] { display: none; }

/* Powiększony kursor nad kafelkiem (spójne z efektem a:hover w main.css) */
body:has(.pg-item:hover) #cursor {
  width: 54px; height: 54px;
  background: transparent;
  border: 1px solid var(--blue-bright);
  box-shadow: 0 0 26px var(--blue-glow);
}
body:has(.pg-item:hover) #cursor-ring { opacity: 0; }

/* ── Responsywność ── */
@media (max-width: 1024px) { .pg-grid { columns: 2; } }
@media (max-width: 900px) {
  #portfolio { padding-top: 100px; padding-bottom: 100px; }
  .pg { padding: 44px 0; }
  .pg-head { gap: 14px 20px; }
  /* podfiltry przewijane poziomo na wąskich ekranach */
  .pg-subs {
    flex-wrap: nowrap;
    max-width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .pg-subs::-webkit-scrollbar { display: none; }
  .pg-sub { flex-shrink: 0; }
}
@media (max-width: 580px) {
  .pg-grid { columns: 2; column-gap: 8px; }
  .pg-item { margin-bottom: 8px; }
  .pf-intro { margin-bottom: 44px; }
  .pg-head-text { margin-right: 0; }
  .pg-subs { width: 100%; }
  /* na telefonie podpis widoczny od razu — brak hovera */
  .pg-item img { filter: brightness(0.7) saturate(0.82); transform: none; }
  .pg-cap { opacity: 1; transform: none; padding-top: 44px; }
  .pg-zoom { display: none; }
}

/* Touch: podpisy zawsze widoczne, brak hovera */
@media (hover: none), (pointer: coarse) {
  .pg-item img { filter: brightness(0.72) saturate(0.82); transform: none; }
  .pg-item:hover img { transform: none; filter: brightness(0.72) saturate(0.82); }
  .pg-cap { opacity: 1; transform: none; }
}

/* Ograniczony ruch */
@media (prefers-reduced-motion: reduce) {
  .pg-grid, .pg-item, .pg-item img, .pg-cap, .pg-zoom, .pg-sub { transition: none; }
}