/* ===================================
   ANIMATIONS
   Keyframes & Animation Utility Classes
   (Originally styles.css lines 189-283)
   =================================== */

@keyframes scanline {
    0% { transform: translateY(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

@keyframes particleFloat {
    0% { transform: translateY(0) rotate(0); opacity: 0; }
    20% { opacity: 0.4; }
    80% { opacity: 0.4; }
    100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1.5deg); }
}

@keyframes drift {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(5px, 8px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

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

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

@keyframes spin-reverse {
    from { transform: rotate(360deg); }
    to { transform: rotate(0deg); }
}

@keyframes progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(200%); }
}

/* Animation Classes */
.animate-float {
    animation: float 8s ease-in-out infinite;
}

.animate-drift {
    animation: drift 12s ease-in-out infinite;
}

.animate-drift-delayed {
    animation: drift 12s ease-in-out infinite;
    animation-delay: -3s;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-pulse-slow {
    animation: pulse-slow 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-bounce-slow {
    animation: bounce-slow 3s ease-in-out infinite;
}

/* Text Shimmer */
.text-shimmer {
    background: linear-gradient(90deg, var(--color-slate-900), var(--color-orange-500), var(--color-slate-900));
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 5s linear infinite;
}