/* ==========================================================================
   Sezione "La prova più dura" — galleria progetti
   1 colonna (base) · 2 colonne (≥ 40em) · 4 colonne su 2 righe (≥ 60em).
   .project__media vale sia per il segnaposto attuale sia per la futura <img>.
   ========================================================================== */

.proof {
  padding-block: 56px;
  background-color: var(--color-surface-soft);
  border-top: 1px solid var(--color-border);
}

.proof__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Introduzione ---------- */
.proof__eyebrow {
  margin-bottom: 12px;
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
}

.proof__title {
  max-width: 28ch;
  margin-bottom: 16px;
  color: var(--color-ink);
  font-size: clamp(1.625rem, 1.25rem + 1.8vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.proof__lead {
  max-width: 68ch;
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ---------- Galleria ---------- */
.projects {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.project__figure {
  margin: 0;
}

/* Area fotografica 4:3 (segnaposto o immagine reale) */
.project__media {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  aspect-ratio: 4 / 3;
  padding: 16px;
  border: 1px dashed var(--color-text-muted);
  border-radius: 12px;
  background-color: var(--color-accent-soft);
  text-align: center;
}

/* Quando il segnaposto sarà sostituito da <img class="project__media"> */
img.project__media {
  display: block;
  height: auto;
  padding: 0;
  border: 0;
  object-fit: cover;
}

/* ---------- Slideshow (Hotel Ariston, Mare Live) ----------
   Stesso box 4:3 del segnaposto; le foto sono sovrapposte. La foto in arrivo
   compare in dissolvenza sopra quella attuale, che si nasconde solo a
   dissolvenza conclusa (nessun "lampo" dello sfondo a metà transizione).
   Il pulsante di pausa/ripresa è creato da JS e copre l'area foto: invisibile,
   salvo l'anello di focus da tastiera (nessun overflow: hidden, che lo taglierebbe). */
.project__slides {
  position: relative;
  display: block;
  padding: 0;
  border: 0;
}

.project__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0s linear 600ms;
}

.project__slide.is-active {
  z-index: 1;
  opacity: 1;
  transition: opacity 600ms ease;
}

.project__toggle {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  border: 0;
  border-radius: inherit;
  background: transparent;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation; /* tap = pausa/ripresa; lo scroll verticale resta libero */
}

@media (prefers-reduced-motion: reduce) {
  .project__slide,
  .project__slide.is-active {
    transition: none;
  }
}

.project__tag {
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project__ref {
  color: var(--color-ink);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
}

.project__caption {
  padding-top: 14px;
}

.project__meta {
  margin-bottom: 4px;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.project__name {
  color: var(--color-ink);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
}

/* Segnaposto del cliente tra [ ]: testo invariato, segnalato come da completare */
.pending {
  padding-inline: 2px;
  border-bottom: 1px dashed currentColor;
  font-style: italic;
}

/* ---------- Elenco geografico ---------- */
.proof__regions {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.7;
  text-align: center;
  text-wrap: balance;
}

/* ---------- Tablet: 2 colonne ---------- */
@media (min-width: 40em) {
  .proof {
    padding-block: 72px;
  }

  .projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px 24px;
    margin-top: 48px;
  }
}

/* ---------- Desktop: 4 colonne, 2 righe ---------- */
@media (min-width: 60em) {
  .proof {
    padding-block: 96px;
  }

  .projects {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 40px 24px;
    margin-top: 56px;
  }

  .project__name {
    font-size: 1.0625rem;
  }

  .proof__regions {
    margin-top: 56px;
  }
}