/* Keyframes */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes glow-pulse {
    0% { opacity: 0.3; transform: scale(1); filter: blur(10px); }
    100% { opacity: 0.7; transform: scale(1.02); filter: blur(15px); }
}

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

@keyframes dust-drift {
    0% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: var(--max-opacity, 0.6);
    }
    90% {
        opacity: var(--max-opacity, 0.6);
    }
    100% {
        transform: translate(var(--end-x), var(--end-y)) rotate(360deg);
        opacity: 0;
    }
}

/* Animation Utility Classes */
.animate-on-scroll {
    opacity: 0;
    visibility: hidden;
}

.animate-on-scroll.is-visible {
    animation: fade-in-up 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    visibility: visible;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Dust Particles Container */
.dust-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.dust-particle {
    position: absolute;
    background: radial-gradient(circle, var(--color-gold) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}