/* =============================================
   PERCHE.CSS — Perché Sceglierci section
   Fabbro Metalli Roma
   ============================================= */

.perche {
  position: relative;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  z-index: 1;
  overflow: hidden;
}

/* ─── Large background watermark ─────────────── */
.perche::before {
  content: 'QUALITÀ';
  position: absolute;
  right: -2rem;
  bottom: -3rem;
  font-family: var(--font-display);
  font-size: clamp(8rem, 18vw, 18rem);
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.02);
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
  user-select: none;
}

/* ─── Layout grid ─────────────────────────────── */
.perche__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: var(--sp-xl);
  align-items: start;
}

/* ─── Left: heading block ─────────────────────── */
.perche__heading-block {
  position: sticky;
  top: 7rem;
}

.perche__lead {
  font-size: clamp(0.95rem, 1.1vw + 0.3rem, 1.1rem);
  font-weight: 300;
  color: var(--clr-text-dim);
  line-height: 1.7;
  margin-top: var(--sp-md);
}

/* ─── Right: pillars ──────────────────────────── */
.perche__pillars {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pillar {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--sp-md);
  align-items: start;
  padding: var(--sp-md) 0;
  border-bottom: 1px solid var(--clr-border);
}

.pillar:first-child {
  border-top: 1px solid var(--clr-border);
}

/* ─── Pillar number ───────────────────────────── */
.pillar__num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--clr-accent);
  padding-top: 0.2rem;
}

/* ─── Pillar content ──────────────────────────── */
.pillar__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  letter-spacing: 0.04em;
  color: var(--clr-text);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.pillar__text {
  font-size: var(--fs-sm);
  font-weight: 300;
  color: var(--clr-text-dim);
  line-height: 1.7;
}

/* ─── Stats strip ─────────────────────────────── */
.perche__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
  margin-top: var(--sp-xl);
}

.stat-box {
  background: var(--clr-bg);
  padding: var(--sp-md);
  text-align: center;
}

.stat-box__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.02em;
  color: var(--clr-accent);
  line-height: 1;
  display: block;
}

.stat-box__label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-muted);
  margin-top: 0.4rem;
  display: block;
}

/* ─── Responsive ──────────────────────────────── */
@media (max-width: 860px) {
  .perche__grid {
    grid-template-columns: 1fr;
    gap: var(--sp-lg);
  }

  .perche__heading-block {
    position: static;
  }

  .perche__stats {
    grid-template-columns: 1fr 1fr;
  }

  .stat-box:last-child {
    grid-column: 1 / -1;
    border-top: 1px solid var(--clr-border);
  }
}

@media (max-width: 460px) {
  .perche__stats {
    grid-template-columns: 1fr;
  }

  .stat-box:last-child {
    grid-column: auto;
  }
}