/* Portfolio e pagine delle discipline (server/views/portfolio.mjs, public/assets/js/portfolio.js). Griglia giustificata, chip, campi e invito
   sono di site.css; qui intestazione con il conteggio, barra dei filtri, stato vuoto e animazione del riflusso. Nessun elemento fisso o sticky. */

/* ---------------------------------------------------------------- intestazione: titolo e testo a sinistra, numero grande a destra */
.pf-head { padding-top: clamp(28px, 5vw, 72px); padding-bottom: clamp(24px, 3.4vw, 44px); } /* la testata è già nel flusso della pagina: qui solo il respiro */
.pf-head__inner { display: grid; gap: 22px 48px; align-items: end; }
@media (min-width: 900px) { .pf-head__inner { grid-template-columns: minmax(0, 1fr) auto; } }
.pf-head__text { display: grid; gap: 1.1rem; justify-items: start; max-width: 920px; min-width: 0; }
.pf-head__title { font-size: clamp(2.7rem, 6.2vw, 5.6rem); overflow-wrap: break-word; }
.pf-head__tagline { margin-top: -.3rem; font: italic 400 clamp(1.4rem, 1.15rem + 1vw, 2.1rem)/1.25 var(--font-display); color: var(--accent-2); }
.pf-head__lead { color: var(--muted); max-width: 64ch; }
@media (max-width: 639px) { .pf-head__lead { font-size: 1.0625rem; } }
.pf-count { display: flex; align-items: baseline; gap: 12px; margin: 0; }
.pf-count__n { font: 300 clamp(2.6rem, 2rem + 3.4vw, 6.4rem)/.9 var(--font-display); letter-spacing: -.02em; font-variant-numeric: lining-nums tabular-nums; color: var(--text); }
.pf-count__label { font: 500 var(--fs-kicker)/1.4 var(--font-ui); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
@media (min-width: 900px) { .pf-count { display: grid; justify-items: end; gap: 10px; text-align: right; padding-bottom: 6px; } }

/* ---------------------------------------------------------------- barra dei filtri: discipline, paese, anno, azzera */
.pf-filters { display: grid; gap: 12px; margin-bottom: clamp(18px, 2.6vw, 30px); padding-block: 16px; border-block: 1px solid var(--line); }
.pf-chips .chip { min-height: 44px; }
.pf-chips .chip.is-empty:not([aria-current]) { opacity: .5; }
/* sul telefono i chip scorrono di lato (una riga sola) e arrivano ai bordi dello schermo */
@media (max-width: 719px) {
  .pf-chips {
    flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-x: contain; scrollbar-width: none; scroll-snap-type: x proximity;
    margin-inline: calc(-1 * var(--pad)); padding: 2px var(--pad); scroll-padding-inline: var(--pad);
  }
  .pf-chips::-webkit-scrollbar { display: none; }
  .pf-chips > li { flex: none; scroll-snap-align: start; }
}
.pf-selects { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.pf-field { min-width: 0; flex: 1 1 160px; }
@media (min-width: 720px) { .pf-field { flex: 0 1 auto; } }
.pf-select { min-height: 46px; padding: 10px 44px 10px 18px; border-radius: var(--r-pill); background-color: transparent; background-position: right 16px center; font-size: 1rem; cursor: pointer; }
.pf-select:focus { background-color: var(--surface); }
@media (min-width: 720px) { .pf-select { width: auto; min-width: 190px; max-width: 280px; } }
.js .pf-submit { display: none; } /* con JavaScript i filtri si applicano subito */
.pf-reset { gap: 8px; }
.pf-reset .i { width: 16px; height: 16px; }

/* ---------------------------------------------------------------- griglia e stato vuoto */
.pf-grid .photo { view-transition-class: pf-photo; }
::view-transition-group(*.pf-photo) { animation-duration: .5s; animation-timing-function: var(--ease-out); }
.pf-empty { display: grid; justify-items: center; gap: 14px; padding: clamp(48px, 9vw, 112px) 24px; text-align: center; border: 1px dashed var(--line-2); border-radius: var(--r-block); }
.pf-empty__icon { width: 44px; height: 44px; color: var(--faint); stroke-width: 1.2; }
.pf-empty__title { font: 450 clamp(1.6rem, 1.3rem + 1vw, 2.2rem)/1.2 var(--font-display); max-width: 26em; }
.pf-empty__text { color: var(--muted); max-width: 46ch; }
.pf-empty .btn { margin-top: 6px; }