/* ========================================
   PROJECT FILTERS - ESTILOS CORREGIDOS
   ======================================== */

.project-filters {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 0;
    margin-bottom: 60px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e5e5e5;
}

.project-filters .filter-btn {
    display: inline-block;
    padding: 8px 0;
    margin-right: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #999;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
    font-weight: 400;
    font-family: 'Nunito Sans', -apple-system, sans-serif;
    text-decoration: none;
}

.project-filters .filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: #000;
    transition: width 0.3s ease;
}

.project-filters .filter-btn:hover,
.project-filters .filter-btn.active {
    color: #000;
}

.project-filters .filter-btn.active::after {
    width: 100%;
}

/* Project Cards - Estado de filtrado */
.project-card {
    position: relative;
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

.project-card.filtering-out {
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    pointer-events: none;
}

.project-card.filtering-in {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.project-card.hidden {
    display: none;
}

/* Animaciones de hover en las tarjetas */
.project-card a {
    display: block;
    text-decoration: none;
    color: inherit;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-card .project-image {
    position: relative;
    width: 100%;
    padding-bottom: 66.67%;
    overflow: hidden;
    background: #f8f8f8;
    margin-bottom: 20px;
}

.project-card .project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

/* Grid responsive */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 80px 60px;
    margin-top: 0;
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 60px 40px;
    }
    
    .project-filters {
        flex-direction: column;
        gap: 15px;
    }
    
    .project-filters .filter-btn {
        margin-right: 0;
    }
}