/* ===== REVEAL ON SCROLL ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== SCROLL INDICATOR ===== */
@keyframes scrollLine {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50%       { opacity: 1;   transform: scaleY(0.6); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== LOADING STATE ===== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-3) 25%, var(--bg-2) 50%, var(--bg-3) 75%);
  background-size: 200% 100%;
  animation: skeleton 1.5s infinite;
}
@keyframes skeleton {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}