.portfolio {
    background-color: var(--white);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    border: 2px solid var(--gray-300);
    color: var(--gray-600);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    color: white;
}

.portfolio-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--white);
    transition: var(--transition);
    margin-bottom: 30px;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.portfolio-img {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.portfolio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-img img {
    transform: scale(1.05);
}

.portfolio-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.portfolio-badge.web {
    background: var(--primary-blue);
}

.portfolio-badge.mobile {
    background: var(--accent-purple);
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.portfolio-content p {
    color: var(--gray-500);
    margin-bottom: 15px;
}

.portfolio-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.tech-tag {
    background: rgba(26, 86, 219, 0.1);
    color: var(--primary-blue);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tech-tag.mobile {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}