/* ==========================================================================
   1. KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes pulse-glow {
    0% { transform: scale(0.9); opacity: 0.6; }
    100% { transform: scale(1.1); opacity: 1; }
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(14px); opacity: 0; }
    51% { transform: translateY(-8px); opacity: 0; }
    100% { transform: translateY(0); opacity: 1; }
}

@keyframes fadeInTop {
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   2. SCROLL REVEAL UTILITIES & ANIMATIONS
   ========================================================================== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
    will-change: opacity, transform;
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.is-revealed {
    opacity: 1 !important;
    transform: translate(0, 0) scale(1) !important;
}

/* Stagger delays for grids */
.stagger-grid > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-grid > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-grid > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-grid > *:nth-child(4) { transition-delay: 0.4s; }
.stagger-grid > *:nth-child(5) { transition-delay: 0.5s; }
.stagger-grid > *:nth-child(6) { transition-delay: 0.6s; }

/* Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .reveal-on-scroll, .reveal-left, .reveal-right, .reveal-scale {
        opacity: 1 !important;
        transform: none !important;
    }
}