/* =========================================================
   Keyframes + reveal system
   ========================================================= */

@keyframes marquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes shimmer {
  0%   { background-position: 200% center; }
  100% { background-position: -200% center; }
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes rise {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(3%, -2%) scale(1.05); }
  100% { transform: translate(-2%, 3%) scale(0.98); }
}

@keyframes cue {
  0%, 100% { transform: scaleY(0.2); transform-origin: top; opacity: 0.4; }
  50%      { transform: scaleY(1); opacity: 1; }
}

@keyframes bubble-in {
  from { opacity: 0; transform: translateY(8px) scale(0.95); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

@keyframes bar-rise {
  from { transform: scaleY(0); transform-origin: bottom; }
  to   { transform: scaleY(1); }
}

@keyframes draw {
  to { stroke-dashoffset: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 750ms var(--ease-out),
    transform 750ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="1"].visible { transition-delay: 80ms; }
.reveal[data-delay="2"].visible { transition-delay: 160ms; }
.reveal[data-delay="3"].visible { transition-delay: 240ms; }
.reveal[data-delay="4"].visible { transition-delay: 320ms; }
.reveal[data-delay="5"].visible { transition-delay: 400ms; }

.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 600ms var(--ease-out),
    transform 600ms var(--ease-out);
}
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 60ms; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 130ms; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 270ms; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 340ms; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 410ms; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 480ms; }