.portfolio-filters {
    position: sticky;
    top: 70px;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem;
    border-radius: 0.5rem;
    backdrop-filter: blur(10px);
}

.portfolio-filters .btn.active {
    background-color: var(--bs-primary);
    color: white;
    border-color: var(--bs-primary);
}

.portfolio-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1) !important;
}

.portfolio-card .badge.bg-teko {
    background-color: #ff6600 !important;
}

.portfolio-card .card-title {
    color: #333;
}

.portfolio-item {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-item.hidden {
    display: none;
}

@media (max-width: 768px) {
    .portfolio-filters {
        position: static;
    }

    .portfolio-filters .btn {
        margin-bottom: 0.5rem;
    }
}