/* ============================================================
   Warum Viftech — 5 USPs + Process-Trio + Outro
   Dunkel-Sektion (--color-text-strong als BG)
   ============================================================ */

.usp-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
  margin-bottom: clamp(3rem, 5vw, 5rem);
}

.usp-card {
  background: rgba(243, 245, 248, 0.04);
  border: 1px solid rgba(243, 245, 248, 0.1);
  padding: clamp(1.25rem, 2vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.usp-card:hover {
  background: rgba(243, 245, 248, 0.08);
  border-color: var(--color-green-glow);
  transform: translateY(-4px);
}

.usp-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-green-glow);
  color: var(--color-green-glow);
  border-radius: 2px;
}

.usp-card__icon svg {
  width: 22px;
  height: 22px;
}

.usp-card__title {
  font-family: 'Geist', sans-serif;
  font-weight: 500;
  font-size: 1.0625rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--color-bg-light);
}

.usp-card__text {
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(243, 245, 248, 0.7);
}

/* ---------- Process-Trio ---------- */

.process-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  padding: clamp(2rem, 4vw, 3.5rem) 0;
  border-top: 1px solid rgba(243, 245, 248, 0.12);
  border-bottom: 1px solid rgba(243, 245, 248, 0.12);
}

.process-trio__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.process-trio__num {
  font-family: 'Geist', sans-serif;
  font-weight: 600;
  font-size: 3.5rem;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--color-green-glow);
}

.process-trio__title {
  font-family: 'Geist', sans-serif;
  font-weight: 500;
  font-size: 1.25rem;
  line-height: 1.3;
  color: var(--color-bg-light);
}

.process-trio__item p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(243, 245, 248, 0.7);
}

/* ---------- Outro ---------- */

.warum-outro {
  margin-top: clamp(2.5rem, 4vw, 4rem);
  font-family: 'Geist', sans-serif;
  font-weight: 400;
  font-size: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-bg-light);
  max-width: 24ch;
}

@media (max-width: 1100px) {
  .usp-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .usp-card:nth-child(4),
  .usp-card:nth-child(5) {
    grid-column: span 1;
  }
}

@media (max-width: 880px) {
  /* USP-Hover-Lift auf Touch unbrauchbar */
  .usp-card:hover {
    transform: none;
    background: rgba(243, 245, 248, 0.04);
    border-color: rgba(243, 245, 248, 0.1);
  }
}

@media (max-width: 720px) {
  .usp-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-trio {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: clamp(1.5rem, 5vw, 2.5rem) 0;
  }
  .process-trio__num {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .usp-grid {
    grid-template-columns: 1fr;
  }
  .warum-outro {
    font-size: clamp(1.3rem, 1rem + 1.5vw, 1.7rem);
  }
}