/* ── Reveal animations (progressive enhancement) ─── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.service-card:nth-child(2) { transition-delay: 0.1s; }
.service-card:nth-child(3) { transition-delay: 0.2s; }
.service-card:nth-child(4) { transition-delay: 0.3s; }
.service-card:nth-child(5) { transition-delay: 0.4s; }
.service-card:nth-child(6) { transition-delay: 0.5s; }
.why-card:nth-child(2) { transition-delay: 0.1s; }
.why-card:nth-child(3) { transition-delay: 0.2s; }
.why-card:nth-child(4) { transition-delay: 0.3s; }
.contact-detail:nth-child(2) { transition-delay: 0.1s; }
.contact-detail:nth-child(3) { transition-delay: 0.2s; }