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

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

@keyframes fadeLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes scaleInSpring {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.2);
  }
  50% {
    box-shadow: 0 0 30px rgba(0, 180, 216, 0.4);
  }
}

@keyframes glowBorder {
  0%, 100% {
    border-color: rgba(0, 180, 216, 0.2);
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.2);
  }
  50% {
    border-color: rgba(0, 180, 216, 0.5);
    box-shadow: 0 0 30px rgba(0, 180, 216, 0.4);
  }
}

@keyframes textGlow {
  0%, 100% {
    text-shadow: 0 0 10px rgba(0, 212, 245, 0.3);
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 212, 245, 0.6);
  }
}

@keyframes scanline {
  0% {
    transform: translateY(-100%);
  }
  100% {
    transform: translateY(100%);
  }
}

@keyframes aurora {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes floatReverse {
  0%, 100% {
    transform: translateY(-20px);
  }
  50% {
    transform: translateY(0px);
  }
}

@keyframes rotateSlow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes rotateReverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

@keyframes ringPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 180, 216, 0.7);
  }
  70% {
    box-shadow: 0 0 0 20px rgba(0, 180, 216, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 180, 216, 0);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  10%, 30%, 50%, 70%, 90% {
    transform: translateX(-10px);
  }
  20%, 40%, 60%, 80% {
    transform: translateX(10px);
  }
}

@keyframes successBounce {
  0% {
    transform: scale(0);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes hudScan {
  0% {
    transform: translateY(-100%);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  90% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(100%);
    opacity: 0;
  }
}

@keyframes revealMask {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* Scroll Reveal Classes */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp var(--transition-base) ease-out forwards;
}

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  animation: fadeLeft var(--transition-base) ease-out forwards;
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  animation: fadeRight var(--transition-base) ease-out forwards;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  animation: scaleIn var(--transition-base) ease-out forwards;
}

.stagger-children > * {
  animation-delay: var(--stagger-index, 0);
}

@for $i from 1 through 6 {
  .stagger-children > *:nth-child(#{$i}) {
    --stagger-index: calc(0.1s * #{$i});
  }
}

/* Fallback for plain CSS */
.stagger-children > *:nth-child(1) { --stagger-index: 0.1s; }
.stagger-children > *:nth-child(2) { --stagger-index: 0.2s; }
.stagger-children > *:nth-child(3) { --stagger-index: 0.3s; }
.stagger-children > *:nth-child(4) { --stagger-index: 0.4s; }
.stagger-children > *:nth-child(5) { --stagger-index: 0.5s; }
.stagger-children > *:nth-child(6) { --stagger-index: 0.6s; }

.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

.text-glow {
  animation: textGlow 2s ease-in-out infinite;
}

.aurora-bg {
  animation: aurora 8s ease-in-out infinite;
  background-size: 200% 200%;
}

.float {
  animation: float 3s ease-in-out infinite;
}

.float-reverse {
  animation: floatReverse 3s ease-in-out infinite;
}

.rotate-slow {
  animation: rotateSlow 20s linear infinite;
}

.rotate-reverse {
  animation: rotateReverse 20s linear infinite;
}

.blink {
  animation: blink 1s ease-in-out infinite;
}

.ring-pulse {
  animation: ringPulse 1.5s ease-out infinite;
}

.shimmer {
  animation: shimmer 2s infinite;
}

.shake {
  animation: shake 0.5s ease-in-out;
}

.success-bounce {
  animation: successBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.hud-scan {
  animation: hudScan 2s ease-in-out infinite;
}