/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */
@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    50% { transform: translateY(-200px) translateX(30px); opacity: 0.6; }
    90% { opacity: 0; }
}

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

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.05); }
}

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

@keyframes skeletonPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes reelSpin {
    0% { transform: translateY(0); }
    20% { transform: translateY(-120px); }
    40% { transform: translateY(-60px); }
    60% { transform: translateY(-180px); }
    80% { transform: translateY(-60px); }
    100% { transform: translateY(0); }
}

@keyframes toastSlideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

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

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

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

/* ============================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================ */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--delay, 0s);
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: var(--delay, 0s);
}
.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   REDUCED MOTION
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .fade-in-up, .fade-in-right {
        opacity: 1;
        transform: none;
    }
    .particles-container { display: none; }
    html { scroll-behavior: auto; }
}