/* ==========================================================================
   Pubblipro - Portfolio (elenco e scheda del progetto)
   Si aggiunge a base.css, home.css e blog.css (intestazione, briciole, paginazione,
   testo e "altri" arrivano da lì). Qui: filtri, griglia di schede, scheda progetto.
   ========================================================================== */

/* ---------- Elenco ---------- */
.pf-index {
  position: relative;
  padding: 176px 0 136px;
  /* quaderno a quadretti, lo stesso della pagina Lavora con noi */
  background:
    linear-gradient(rgba(20, 20, 26, 0.055) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(20, 20, 26, 0.055) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--paper);
}
.pf-index__inner { display: flex; flex-direction: column; gap: 72px; }
.pf-empty { margin: 0; font-size: 22px; color: var(--muted); }

/* filtri per servizio */
.pf-filter { display: flex; flex-wrap: wrap; gap: 12px; }
.pf-filter a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1.5px solid var(--ink);
  border-radius: 999px;
  font-weight: 500;
  font-size: 18px;
  transition: background-color 160ms var(--ease), color 160ms var(--ease), transform 140ms var(--ease);
}
.pf-filter a:active { transform: scale(0.96); }
.pf-filter a[aria-current] { background: var(--ink); color: var(--paper-text); font-weight: 600; }

/* griglia di schede: stessa impaginazione della home (7+5, poi 4+4+4) */
.pgrid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); row-gap: 72px; column-gap: clamp(12px, 2.2vw, 32px); }
.pcard { display: flex; min-width: 0; grid-column: span 4; }
.pc--7 { grid-column: span 7; }
.pc--5 { grid-column: span 5; }
.pcard__link { display: flex; flex-direction: column; gap: 24px; width: 100%; }
.pcard__media { --cm: var(--ink); display: block; }
.pcard__frame { display: block; height: 360px; overflow: hidden; background: var(--paper-2); }
.pc--7 .pcard__frame, .pc--5 .pcard__frame { height: 440px; }
.pcard__frame img { height: 100%; }
.pcard__caption { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.pcard__client { font-weight: 500; font-size: 28px; line-height: 1.15; letter-spacing: -0.015em; }
.pcard__title {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pcard__cat { margin-top: 4px; font-size: 15px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red-dark); }

/* ---------- Scheda progetto ---------- */
.pf-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.pf-tags a {
  display: inline-flex;
  padding: 6px 18px;
  border: 1.5px solid var(--paper-text);
  border-radius: 999px;
  font-size: 17px;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.pf-case { position: relative; padding: 176px 0 128px; background: var(--paper); }
.pf-case__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  column-gap: clamp(40px, 6vw, 96px);
  align-items: start;
}
.pf-case__main { min-width: 0; display: flex; flex-direction: column; gap: 72px; }

.pf-cover { --cm: var(--ink); margin: 0; }
.pf-cover__img { display: block; width: 100%; height: auto; }
.pf-lead { margin: 0; font-family: var(--font-display); font-weight: 500; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.3; letter-spacing: -0.02em; }

.pf-block > h2 {
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}
.pf-block > h2::before { content: ''; display: block; width: 32px; height: 3px; margin-bottom: 18px; background: var(--red); }

/* numeri chiave */
.pf-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 20px; margin: 40px 0 0; padding: 0; list-style: none; }
.pf-kpi { display: flex; flex-direction: column; gap: 8px; padding: 28px 26px; border-radius: var(--radius); background: var(--ink); color: var(--paper-text); }
.pf-kpi:nth-child(3n) { background: var(--red); }
.pf-kpi__v { font-weight: 600; font-size: clamp(40px, 4.4vw, 64px); line-height: 1; letter-spacing: -0.04em; }
.pf-kpi__l { font-size: 18px; line-height: 1.4; color: var(--muted-on-ink); }
.pf-kpi:nth-child(3n) .pf-kpi__l { color: var(--paper-text); }

/* testimonianza */
.pf-quote { margin: 0; padding: clamp(28px, 4vw, 48px); border-radius: var(--radius); background: var(--ink); color: var(--paper-text); }
.pf-quote blockquote { margin: 0; font-weight: 500; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.4; letter-spacing: -0.015em; }
.pf-quote figcaption { margin-top: 22px; font-size: 18px; color: var(--muted-on-ink); }

/* galleria: la prima di ogni tre a tutta larghezza, le altre due affiancate */
.pf-gal { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.pf-gal__item { margin: 0; min-width: 0; background: var(--paper-2); }
.pf-gal__item--full { grid-column: 1 / -1; }
.pf-gal__img { display: block; width: 100%; height: auto; }

/* scheda laterale */
.pf-side {
  position: sticky;
  top: 32px;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 30px 28px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
}
.pf-side__title { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red-dark); }
.pf-facts { margin: 0; display: flex; flex-direction: column; gap: 20px; }
.pf-facts dt { font-size: 15px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.pf-facts dd { margin: 4px 0 0; font-size: 20px; font-weight: 500; line-height: 1.35; }
.pf-facts a { text-decoration: underline; text-underline-offset: 4px; }
.pf-facts__list { display: flex; flex-direction: column; gap: 6px; }
.pf-side .btn { align-self: stretch; text-align: center; justify-content: center; }
.pf-case__all { margin: 72px 0 0; }

/* ---------- Effetti solo con il mouse ---------- */
@media (hover: hover) and (pointer: fine) {
  .pcard__link:hover .slot { transform: scale(1.05); }
  .pf-filter a:hover { background: var(--ink); color: var(--paper-text); }
  .pf-tags a:hover { background: var(--paper-text); color: var(--ink); }
  .pf-facts a:hover { color: var(--red-dark); }
}

/* ---------- Schermi medi e piccoli ---------- */
@media (max-width: 1100px) {
  .pcard, .pc--7, .pc--5 { grid-column: span 6; }
  .pcard__frame, .pc--7 .pcard__frame, .pc--5 .pcard__frame { height: 300px; }
  .pf-case__inner { grid-template-columns: minmax(0, 1fr); row-gap: 64px; }
  .pf-side { position: static; order: -1; }
}
@media (max-width: 700px) {
  .pcard, .pc--7, .pc--5 { grid-column: 1 / -1; }
  .pcard__frame, .pc--7 .pcard__frame, .pc--5 .pcard__frame { height: 260px; }
  .pgrid { row-gap: 56px; }
  .pf-gal { grid-template-columns: minmax(0, 1fr); }
  .pf-gal__item--full { grid-column: auto; }
}
@media (max-width: 640px) {
  .pf-index { padding: 152px 0 96px; }
  .pf-index__inner { gap: 56px; }
  .pf-case { padding: 152px 0 96px; }
  .pf-case__main { gap: 56px; }
  .pcard__client { font-size: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .pf-filter a, .pf-tags a { transition: none; }
}