.project-filter {
    text-align: center;
    margin-bottom: 30px;
}

.filter-btn {
    padding: 10px 20px;
    margin: 5px;
    border-radius: 30px;
    border: 1px solid #ddd;
    background: #f5f5f5;
    cursor: pointer;
}

.filter-btn.active {
    background: #0d1b2a;
    color: #fff;
}

.project-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.project-item {
    width: 30%;
}

.card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
}

.card-content {
    padding: 15px;
}

.project-category {
    display: inline-block;
    font-size: 12px;
    color: #777;
    margin-bottom: 5px;
}