/* =========================================
  Keyframe Animations — PMLAB
   ========================================= */

/* --- Core entrance animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0);    }
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0);     }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0);    }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.88); }
  to   { opacity: 1; transform: scale(1);    }
}

/* --- Decorative / ambient animations --- */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 12px rgba(0, 255, 136, 0.4), 0 0 40px rgba(0, 255, 136, 0.1); }
  50%       { box-shadow: 0 0 24px rgba(0, 255, 136, 0.7), 0 0 70px rgba(0, 255, 136, 0.25); }
}

@keyframes lineExpand {
  from { width: 0; opacity: 0; }
  to   { width: 60px; opacity: 1; }
}

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

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0) translateX(-50%); opacity: 0.8; }
  50%      { transform: translateY(8px) translateX(-50%); opacity: 1; }
}

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

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

@keyframes rotateGlow {
  0%   { transform: rotate(0deg);   }
  100% { transform: rotate(360deg); }
}

@keyframes heroTextReveal {
  0%   { opacity: 0; transform: translateY(50px) skewY(4deg); }
  100% { opacity: 1; transform: translateY(0)    skewY(0deg); }
}

@keyframes starTwinkle {
  0%, 100% { opacity: 0.18; }
  20%      { opacity: 0.85; }
  40%      { opacity: 0.28; }
  60%      { opacity: 0.95; }
  80%      { opacity: 0.22; }
}

@keyframes starDrift {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-1.5%, 1.2%, 0) scale(1.02); }
  100% { transform: translate3d(1.5%, -1.2%, 0) scale(1); }
}

/* =========================================
   Scroll-reveal utility classes
   ========================================= */

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition:
    opacity  0.72s var(--ease-out-expo),
    transform 0.72s var(--ease-out-expo);
}

.reveal.from-left {
  transform: translateX(-40px);
}

.reveal.from-right {
  transform: translateX(40px);
}

.reveal.scale-in {
  transform: scale(0.9);
}

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

/* Stagger delays for child elements */
.reveal-stagger > *:nth-child(1) { transition-delay: 0.00s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.10s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.20s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.30s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.40s; }
.reveal-stagger > *:nth-child(6) { transition-delay: 0.50s; }

/* Individual delays */
.delay-1 { transition-delay: 0.12s !important; }
.delay-2 { transition-delay: 0.24s !important; }
.delay-3 { transition-delay: 0.36s !important; }
.delay-4 { transition-delay: 0.48s !important; }
.delay-5 { transition-delay: 0.60s !important; }