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

/* Page load fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Component load slide up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Card subtle scale & pulse glow */
@keyframes cardFloat {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Animation utilities */
.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.animate-slide-up {
    opacity: 0;
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.product-card {
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 35px -10px var(--color-primary-glow), 0 0 1px 1px var(--color-primary);
}

/* Shimmer Loading Skeleton */
@keyframes skeleton-loading {
    0% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0 50%;
    }
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--border-glass) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}