/**
 * Pagina /galleria — masonry CSS columns + lightbox overlay
 *
 * Layout: CSS multi-column per il masonry naturale (no JS per il flow).
 * Le tile si dispongono verticalmente nelle colonne e mantengono aspect
 * ratio. Hover: zoom della foto + caption che si rivela dal fondo.
 * Lightbox: overlay scuro, navigazione frecce/keyboard/swipe, caption con
 * crediti CC.
 */

.page-galleria { background: var(--bianco); }

/* ──────────────────────────────────────────────────────────────────────── */
/* Hero                                                                      */
/* ──────────────────────────────────────────────────────────────────────── */

.galleria-hero {
  padding: 8rem 0 3rem;
  background: linear-gradient(180deg, var(--crema) 0%, var(--bianco) 100%);
  border-bottom: 1px solid var(--crema-warm);
}
.galleria-hero h1 {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.015em;
  margin: 0.4rem 0 1rem;
  color: var(--seppia);
}
.galleria-hero h1 em {
  font-style: italic;
  color: var(--adriatico);
  font-weight: 400;
}
.galleria-hero__sub {
  font-size: 1.05rem;
  max-width: 720px;
  line-height: 1.6;
  color: var(--grigio);
  margin: 0 0 0.8rem;
}
.galleria-hero__meta {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terra);
  font-weight: 600;
  margin: 0;
}

/* ──────────────────────────────────────────────────────────────────────── */
/* Grid masonry (CSS columns)                                                */
/* ──────────────────────────────────────────────────────────────────────── */

.galleria-grid-section { padding: 3rem 0 6rem; }
.galleria-grid {
  column-count: 3;
  column-gap: 1.25rem;
  /* mobile-first: override sotto i breakpoint */
}
@media (max-width: 1100px) { .galleria-grid { column-count: 2; } }
@media (max-width: 640px)  { .galleria-grid { column-count: 1; } }

.galleria-tile {
  break-inside: avoid;         /* evita di "tagliare" una tile tra due colonne */
  margin: 0 0 1.25rem;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: var(--crema-warm);
  box-shadow: 0 1px 3px rgba(31,24,19,0.08);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.galleria-tile:hover {
  box-shadow: 0 12px 36px -10px rgba(31,24,19,0.28);
  transform: translateY(-2px);
}
.galleria-tile__btn {
  display: block;
  width: 100%;
  margin: 0; padding: 0;
  background: none;
  border: none;
  cursor: zoom-in;
  overflow: hidden;
}
.galleria-tile__btn img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}
.galleria-tile:hover .galleria-tile__btn img { transform: scale(1.04); }

.galleria-tile__caption {
  position: absolute;
  inset: auto 0 0;
  padding: 1.2rem 1rem 0.8rem;
  background: linear-gradient(0deg, rgba(15,38,56,0.92) 0%, rgba(15,38,56,0.65) 65%, rgba(15,38,56,0) 100%);
  color: white;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.galleria-tile:hover .galleria-tile__caption,
.galleria-tile:focus-within .galleria-tile__caption {
  opacity: 1;
  transform: translateY(0);
}
.galleria-tile__title {
  display: block;
  font-family: var(--ff-display);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.005em;
}
.galleria-tile__sub {
  display: block;
  font-size: 0.78rem;
  opacity: 0.88;
  margin-top: 0.2rem;
  line-height: 1.4;
}

.galleria-empty,
.galleria-empty-filter {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--grigio);
  font-style: italic;
}

/* ============================================================
   FILTER CHIPS (per categoria foto)
   ============================================================ */

.galleria-filters-section {
  padding: 1.6rem 0 1.2rem;
  background: linear-gradient(180deg, var(--bianco) 0%, var(--crema) 100%);
  border-bottom: 1px solid rgba(31, 24, 19, 0.06);
}
.galleria-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: center;
}
.galleria-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  border: 1px solid rgba(31, 24, 19, 0.14);
  background: var(--bianco);
  color: var(--seppia);
  font-family: var(--ff-body);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.galleria-chip:hover {
  background: var(--crema-warm);
  border-color: rgba(31, 24, 19, 0.25);
  transform: translateY(-1px);
}
.galleria-chip.is-active {
  background: var(--terra);
  color: var(--bianco);
  border-color: var(--terra);
}
.galleria-chip.is-active .galleria-chip__count {
  color: rgba(255, 255, 255, 0.8);
}
.galleria-chip__count {
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--grigio);
  letter-spacing: 0.01em;
}
.galleria-chip:focus-visible {
  outline: 2px solid var(--terra);
  outline-offset: 2px;
}

/* ============================================================
   BADGE CATEGORIA SULLA TILE (overlay)
   ============================================================ */

.galleria-tile__cat {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  display: inline-block;
  padding: 0.28rem 0.7rem;
  background: rgba(15, 38, 56, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--bianco);
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
  z-index: 2;
}
.galleria-tile:hover .galleria-tile__cat,
.galleria-tile:focus-within .galleria-tile__cat {
  opacity: 1;
  transform: translateY(0);
}

/* La tile deve essere position:relative perché il badge sia posizionato.
   Era già relative nel CSS originale, ma garantiamo qui per sicurezza. */
.galleria-tile { position: relative; }

/* Disclaimer attribuzione foto (dopo la grid, prima del footer pagina) */
.galleria-disclaimer {
  margin: 2.5rem auto 0;
  padding: 1.2rem 1.4rem;
  max-width: 760px;
  background: var(--crema);
  border-left: 3px solid var(--ocra);
  border-radius: 0 8px 8px 0;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--grigio);
}
.galleria-disclaimer a {
  color: var(--terra);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.galleria-disclaimer a:hover { text-decoration: underline; }

/* ──────────────────────────────────────────────────────────────────────── */
/* Lightbox                                                                  */
/* ──────────────────────────────────────────────────────────────────────── */

.galleria-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(15, 38, 56, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 2rem;
  animation: vtds-lightbox-in 0.22s ease;
}
.galleria-lightbox[hidden] { display: none; }
@keyframes vtds-lightbox-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.galleria-lightbox__stage {
  position: relative;
  max-width: min(1400px, 100%);
  max-height: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.galleria-lightbox__img {
  max-width: 100%;
  max-height: calc(100vh - 10rem);
  width: auto;
  height: auto;
  display: block;
  box-shadow: 0 20px 80px rgba(0,0,0,0.5);
  border-radius: 4px;
  animation: vtds-lightbox-img-in 0.3s cubic-bezier(.16,1,.3,1);
}
@keyframes vtds-lightbox-img-in {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

.galleria-lightbox__caption {
  color: white;
  text-align: center;
  font-family: var(--ff-body);
  max-width: 800px;
  padding: 0 1rem;
}
.galleria-lightbox__title {
  display: block;
  font-family: var(--ff-display);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1.25;
  margin-bottom: 0.25rem;
}
.galleria-lightbox__sub {
  display: block;
  font-size: 0.9rem;
  opacity: 0.85;
  margin-bottom: 0.4rem;
}
.galleria-lightbox__credit {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.55;
  font-weight: 500;
}

/* Controlli (close + frecce nav) */
.galleria-lightbox__close,
.galleria-lightbox__nav {
  position: absolute;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: white;
  cursor: pointer;
  font-family: var(--ff-display);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, transform 0.15s;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2;
}
.galleria-lightbox__close:hover,
.galleria-lightbox__nav:hover {
  background: rgba(255,255,255,0.18);
}
.galleria-lightbox__close:active,
.galleria-lightbox__nav:active { transform: scale(0.96); }

.galleria-lightbox__close {
  top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  font-size: 1.6rem;
  padding: 0 0 0.18rem;   /* aggiusta il "×" centrato visivamente */
}

.galleria-lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  width: 54px; height: 54px;
  border-radius: 50%;
  font-size: 2.4rem;
  font-weight: 300;
}
.galleria-lightbox__nav--prev { left: 1.5rem;  padding-right: 0.18rem; }
.galleria-lightbox__nav--next { right: 1.5rem; padding-left:  0.18rem; }
.galleria-lightbox__nav:active { transform: translateY(-50%) scale(0.96); }

.galleria-lightbox__counter {
  position: absolute;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  color: rgba(255,255,255,0.55);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  pointer-events: none;
}

/* Stato di loading (mentre cambia la src) */
.galleria-lightbox.is-loading .galleria-lightbox__img { opacity: 0.4; }

/* Mobile: frecce un po' più piccole + close in alto */
@media (max-width: 640px) {
  .galleria-lightbox { padding: 1rem; }
  .galleria-lightbox__close { top: 0.75rem; right: 0.75rem; width: 38px; height: 38px; font-size: 1.4rem; }
  .galleria-lightbox__nav { width: 42px; height: 42px; font-size: 1.8rem; }
  .galleria-lightbox__nav--prev { left: 0.5rem; }
  .galleria-lightbox__nav--next { right: 0.5rem; }
  .galleria-lightbox__title { font-size: 1.1rem; }
  .galleria-lightbox__img { max-height: calc(100vh - 11rem); }
}

/* No scroll body quando la lightbox è aperta — gestito da JS via body class */
body.vtds-lightbox-open { overflow: hidden; }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .galleria-lightbox,
  .galleria-lightbox__img,
  .galleria-tile,
  .galleria-tile__btn img,
  .galleria-tile__caption {
    animation: none !important;
    transition: none !important;
  }
}