/* =============================================================================
   EXIBIZ — Portfolio a catalogo (v=p1)
   Opere in bella vista, didascalie da museo, filtri per area, lightbox.
   ============================================================================= */

/* ---------- filtri ---------- */
.pf-filtri { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.pf-chip { border: 1px solid rgba(20, 19, 16, .22); background: transparent; color: inherit; font: inherit; font-size: clamp(.85rem, 1vw, .95rem); font-weight: 600; padding: .62rem 1.25rem; border-radius: 100px; cursor: pointer; transition: background .25s, color .25s, border-color .25s; display: inline-flex; align-items: center; gap: .5rem; }
.pf-chip:hover { border-color: #15151a; }
.pf-chip.on { background: #15151a; border-color: #15151a; color: #f7f7f8; }
.pf-chip .n { font-size: .72rem; font-weight: 700; opacity: .55; }
.pf-chip.on .n { opacity: .75; }

/* ---------- griglia del catalogo ---------- */
.pf-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.6rem, 3.2vw, 2.8rem) clamp(1.4rem, 2.6vw, 2.4rem); }
@media (max-width: 820px) { .pf-grid { grid-template-columns: 1fr; } }

.pf-card { display: block; padding: 0; margin: 0; border: 0; background: none; color: inherit; text-decoration: none; text-align: left; cursor: pointer; font: inherit; opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .8s cubic-bezier(.22, 1, .36, 1); }
.pf-card.in { opacity: 1; transform: none; }
.pf-card figure { margin: 0; }

.pf-media { display: block; position: relative; aspect-ratio: 3 / 2; overflow: hidden; border-radius: 14px; background: #e6e6e4; box-shadow: 0 18px 44px -22px rgba(20, 19, 16, .35); }
.pf-media img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1.01); transition: transform 1s cubic-bezier(.22, 1, .36, 1); }
.pf-card:hover .pf-media img { transform: scale(1.05); }

/* la didascalia da museo */
.pf-cap { padding: 1rem .2rem 0; display: flex; flex-direction: column; gap: .3rem; }
.pf-cap b { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.1rem, 1.6vw, 1.35rem); line-height: 1.25; letter-spacing: -.01em; }
.pf-cap__meta { font-size: .84rem; color: rgba(20, 19, 16, .55); }
.pf-cap__go { font-size: .8rem; font-weight: 700; color: #8a6a2f; margin-top: .1rem; }
.pf-cap__go::after { content: ' →'; }
.pf-card:hover .pf-cap__go { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- lightbox dell'archivio ---------- */
.pf-lb[hidden] { display: none; }
.pf-lb { position: fixed; inset: 0; z-index: 320; display: grid; place-items: center; opacity: 0; transition: opacity .3s ease; }
.pf-lb.open { opacity: 1; }
.pf-lb__scrim { position: absolute; inset: 0; background: rgba(12, 11, 9, .9); cursor: zoom-out; }
.pf-lb__fig { position: relative; margin: 0; width: min(1200px, 92vw); z-index: 1; }
.pf-lb__stage { display: flex; align-items: center; justify-content: center; height: min(72vh, 760px); }
.pf-lb__fig img { display: block; max-width: 100%; max-height: 100%; border-radius: 10px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .7); }
.pf-lb__cap { text-align: center; color: #f7f7f8; margin-top: 1.1rem; display: flex; flex-direction: column; gap: .25rem; }
.pf-lb__cap b { font-family: var(--font-display); font-weight: 500; font-size: clamp(1.1rem, 1.8vw, 1.5rem); }
.pf-lb__cap span { font-size: .85rem; color: rgba(247,247,248,.6); }
.pf-lb__x { position: absolute; top: -3rem; right: 0; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(247,247,248,.35); background: none; color: #f7f7f8; font-size: 1.3rem; cursor: pointer; transition: .25s; z-index: 2; }
.pf-lb__x:hover { background: #f7f7f8; color: #15151a; }
.pf-lb__nav { position: absolute; top: calc(min(72vh, 760px) / 2); transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(247,247,248,.35); background: rgba(12, 11, 9, .4); color: #f7f7f8; font-size: 1.15rem; cursor: pointer; transition: .25s; z-index: 2; }
.pf-lb__nav:hover { background: #f7f7f8; color: #15151a; }
.pf-lb__nav--prev { left: clamp(-70px, -4vw, -20px); }
.pf-lb__nav--next { right: clamp(-70px, -4vw, -20px); }
@media (max-width: 900px) {
  .pf-lb__nav--prev { left: .5rem; }
  .pf-lb__nav--next { right: .5rem; }
  .pf-lb__x { top: .5rem; right: .5rem; background: rgba(12, 11, 9, .5); }
}

/* schermi enormi: il catalogo non si allarga a dismisura */
@media (min-width: 2200px) {
  .pf-grid { grid-template-columns: repeat(2, minmax(0, 880px)); justify-content: center; }
}

/* pulsante del lightbox progetto */
.pf-lb__go { display: inline-block; align-self: center; margin-top: .75rem; background: var(--brass-deep); color: #fff; font: 600 .82rem/1 Inter, system-ui, sans-serif; letter-spacing: .05em; padding: .66rem 1.15rem; border-radius: 999px; text-decoration: none; transition: background .2s; }
.pf-lb__go:hover { background: var(--brass); }
.pf-lb__go[hidden] { display: none; }