/* =================================
   PORTFOLIO PAGE
   ================================= */
.portfolio-filters {
    padding: 2rem 0;
    background: var(--bg-light);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.filters-wrapper {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: white;
    border: 2px solid var(--border);
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text);
}

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

.portfolio-section {
    padding: 4rem 0;
}

.project-link {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.project-link:hover {
    color: var(--accent);
}

.project-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.project-title {
    font-size: 1.25rem;
    margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .portfolio-filters {
        padding: 0.75rem 0;
        top: 60px;
    }

    .filters-wrapper {
        flex-wrap: nowrap;
        justify-content: flex-start;
        gap: 0.5rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 0.25rem 1rem;
    }

    .filters-wrapper::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex-shrink: 0;
        padding: 0.4rem 1rem;
        font-size: 0.85rem;
        white-space: nowrap;
    }

    .portfolio-section {
        padding: 2rem 0;
    }
}