.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
}

.modal.active {
  display: flex;
}

.modal-content {
  max-width: min(1100px, 95vw);
  max-height: 85vh;
  border-radius: 14px;
  border: 2px solid rgba(0, 217, 87, 0.55);
  box-shadow: 0 0 28px rgba(0, 217, 87, 0.35);
  background: #0b0f13;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.back-to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(0, 217, 87, 0.55);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.72);
  color: #f5f7fa;
  font-size: 22px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 999;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .back-to-top {
    transition: none;
  }
}