/* ========================================
   Galería de Casos - Portfolio
   ======================================== */
.cases {
    padding: var(--spacing-xl) 0;
    background: #F5F7F4;
}

.cases .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.cases .section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

/* Filtros de categoría con botones redondeados */
.cases-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 2rem;
    border: 1px solid #0A764F;
    border-radius: 25px;
    background: transparent;
    color: #0A764F;
    font-size: 0.9rem;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: capitalize;
}

.filter-btn:hover {
    background: rgba(10, 118, 79, 0.1);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: #0A764F;
    color: white;
    border-color: #0A764F;
}

/* Grid de imágenes con altura uniforme */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
    height: 300px;
}

.case-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

/* Overlay opcional para tarjetas con texto */
.case-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    padding: 1.5rem;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.case-card:hover .case-overlay {
    transform: translateY(0);
}

.case-overlay h3 {
    color: white;
    font-size: 1.1rem;
    font-weight: 400;
    margin: 0;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 968px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .case-card:nth-child(n) {
        grid-row: span 1 !important;
    }
}

@media (max-width: 600px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .cases-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.85rem;
    }
}