* {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

.filter-btn.active {
    background: #3B82F6;
    color: white;
    border-color: #3B82F6;
}

.photo-item {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.photo-item:hover {
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

.photo-item img {
    will-change: transform;
}

.photo-item:hover img {
    filter: brightness(1.1);
}

#photo-modal {
    backdrop-filter: blur(10px);
}

.news-card {
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .photo-item:hover {
        transform: none;
    }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}