* { font-family: 'Inter', sans-serif; }
html { scroll-behavior: smooth; }

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.07); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-item.open .faq-answer {
  max-height: 400px;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}
.faq-chevron {
  transition: transform .3s ease;
}

.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.mobile-menu.open {
  max-height: 500px;
}