.video-overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.5) 100%);
}

.countdown-item {
    background: linear-gradient(135deg, #fff 0%, #fce7f3 100%);
}

.category-card {
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-card:hover::before {
    opacity: 1;
}

.gradient-text {
    background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.instagram-grid img {
    transition: transform 0.3s ease;
}

.instagram-grid img:hover {
    transform: scale(1.05);
}
/* Flash Sale Countdown Animation */
.countdown-item {
    transition: all 0.2s ease-in-out;
}

.countdown-item span {
    display: inline-block;
    transition: transform 0.2s ease-in-out;
}

/* Pulse animation cho icon flash */
@keyframes flash-pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

.fa-bolt {
    animation: flash-pulse 1.5s ease-in-out infinite;
}