/* transitions.css — Magical page transition overlay */
body.transitioning {
    overflow: hidden;
}

.magic-transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 9998;
    pointer-events: none;
    background: #0a0a0a;
    opacity: 0;
    overflow: hidden;
    will-change: opacity;
    transform: translateZ(0);
    transition: opacity 0.3s ease;
}

.magic-transition-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Sparkle rain particles */
.sparkle-rain {
    position: absolute;
    top: -6px;
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 5px currentColor;
    animation: sparkle-rain-fall var(--fall-duration, 0.9s) ease-in forwards;
}

@keyframes sparkle-rain-fall {
    0% {
        transform: translate(0, 0) scale(0);
        opacity: 0;
    }
    15% {
        opacity: 1;
        transform: translate(0, 10px) scale(1.3);
    }
    85% {
        opacity: 0.6;
    }
    100% {
        transform: translate(var(--drift-x, 0px), var(--fall-distance, 300px)) scale(0.4);
        opacity: 0;
    }
}

/* Legacy sparkle (used by heroSparkles.js) — keep for compatibility */
.magic-transition-overlay .sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #ffffff;
    border-radius: 50%;
    pointer-events: none;
    animation: sparkle-fade 0.8s ease-out forwards;
}

@keyframes sparkle-fade {
    0% {
        opacity: 1;
        transform: scale(0) translate(0, 0);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.5) translate(var(--tx, 10px), var(--ty, -10px));
    }
    100% {
        opacity: 0;
        transform: scale(0) translate(var(--tx2, 20px), var(--ty2, -20px));
    }
}