/* === Keyframes === */

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 20px var(--color-red-glow); }
  50%      { box-shadow: 0 0 40px var(--color-red-glow); }
}

@keyframes keyholeOpen {
  from { clip-path: circle(3% at 50% 45%); }
  to   { clip-path: circle(75% at 50% 50%); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes breathe {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 1; }
}

@keyframes chevronBounce {
  0%, 100% { transform: translateY(0) rotate(45deg); }
  50%      { transform: translateY(8px) rotate(45deg); }
}

@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(60px) rotate(var(--rotation, 0deg));
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(var(--rotation, 0deg));
  }
}

@keyframes liquidFill {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

@keyframes typewriterBlink {
  0%, 100% { border-color: var(--color-crimson); }
  50%      { border-color: transparent; }
}

/* === Reveal utility === */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.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; }

/* === Reduced motion === */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}