/* ==========================================================================
   5 · Our Impact (chiaro)
   Sinistra: titolo + texture verticale. Destra: 4 numeri enormi in 2×2.
   In fondo: fascia delle certificazioni che scorre lenta (si ferma al
   passaggio del mouse, con Stop animation e con reduced-motion).
   ========================================================================== */

.impact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr);
  gap: clamp(2rem, 1rem + 4vw, 6rem);
  align-items: stretch;
}

.impact-left {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 1rem + 1.5vw, 2.5rem);
}

.impact-title {
  font-family: var(--font-display);
  font-size: var(--fs-section);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--hard-grey);
}

.impact-title span:not(.eyebrow) {
  display: block;
  margin-top: 1.25rem;
}

/* Texture verticale (decorativa) */
.impact-texture {
  flex: 1;
  min-height: 320px;
  overflow: hidden;
  border-radius: var(--r-card);
  background-color: var(--line);
}

.impact-texture img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --------------------------------------------------------------------------
   Numeri
   -------------------------------------------------------------------------- */

.impact-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: end;
  gap: clamp(2rem, 1rem + 3vw, 4rem) clamp(1.5rem, 1rem + 2vw, 3rem);
}

.stat {
  padding-top: 1rem;
  border-top: 1px solid var(--hard-grey);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 1.8rem + 6vw, 8rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.055em;
  color: var(--hard-grey);
  font-variant-numeric: tabular-nums;
}

/* Il "+" in Ocean: unico accento (4.69:1, testo grande) */
.stat-plus {
  color: var(--accent);
}

.stat-label {
  display: block;
  margin-top: 0.75rem;
  font-size: var(--fs-body);
  color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   Fascia certificazioni
   -------------------------------------------------------------------------- */

.certs {
  margin-top: var(--section-y);
  overflow: hidden;
  border-block: 1px solid var(--line);
}

.certs-track {
  display: flex;
  width: max-content;
  animation: certs-scroll 40s linear infinite;
}

.certs-list {
  display: flex;
  align-items: center;
  flex: none;
}

.certs-list li {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 1rem + 2vw, 3rem);
  padding: 1.5rem 0 1.5rem clamp(1.5rem, 1rem + 2vw, 3rem);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 0.9rem + 0.8vw, 1.625rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--hard-grey);
}

/* Separatore: goccia del logo ROELMI in Ocean (decorativa) */
.certs-list li::after {
  content: "";
  flex: none;
  width: 0.6em;
  height: 0.9em;
  background-color: var(--accent);
  -webkit-mask: var(--roelmi-drop) center / contain no-repeat;
  mask: var(--roelmi-drop) center / contain no-repeat;
}

@keyframes certs-scroll {
  to { transform: translate3d(-50%, 0, 0); }
}

/* Si ferma: al passaggio del mouse, con Stop animation, con reduced-motion */
.certs:hover .certs-track,
.motion-paused .certs-track {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .certs-track {
    animation: none;
  }

  /* Ferma: la lista va a capo invece di scorrere */
  .certs-track,
  .certs-list {
    width: auto;
    flex-wrap: wrap;
  }

  .certs-list[aria-hidden="true"] {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 899.98px) {
  .impact-grid {
    grid-template-columns: 1fr;
  }

  .impact-texture {
    flex: none;
    height: 260px;
    min-height: 0;
  }
}

@media (max-width: 479.98px) {
  .impact-stats {
    grid-template-columns: 1fr;
  }
}

/* Mobile: numeri sempre su 2 colonne, un po' più piccoli */
@media (max-width: 479.98px) {
  .impact-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem 1rem;
  }

  .stat-num {
    font-size: clamp(2.5rem, 13vw, 3.5rem);
  }

  .stat-label {
    font-size: var(--fs-small);
  }
}

/* Gocce separatrici a colori alternati (accenti della palette).
   Sono decorative: il contrasto non serve a leggere i nomi.
   6 voci per lista, ciclo di 3 → la giunzione del carosello resta continua */
.certs-list li:nth-child(3n + 1)::after { background-color: var(--antique); }
.certs-list li:nth-child(3n + 2)::after { background-color: var(--olive); }
.certs-list li:nth-child(3n)::after     { background-color: var(--cerulean); }