.nav-animated {
  transition: transform 0.3s ease;
}

.nav-hidden {
  transform: translateY(-120%);
}

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  background: #ff6b00;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(255, 107, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
  z-index: 70;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #f05e00;
  transform: translateY(-2px);
}

.bg-glass-bg {
  background-color: rgba(15, 23, 42, 0.35);
}

.cta-pattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card[open] summary {
  color: #ff6b00;
}

@media (max-width: 768px) {
  .back-to-top {
    width: 42px;
    height: 42px;
  }
}