/* ============================================
   PORTFÓLIO - ESTILOS ESPECÍFICOS
   ============================================ */

/* Filtros de Portfólio */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--gray-lighter);
    border-radius: 8px;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--white);
    color: var(--charcoal);
    border: 2px solid var(--gray-light);
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-btn:hover {
    border-color: var(--bronze-primary);
    color: var(--bronze-primary);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--bronze-primary), var(--bronze-dark));
    color: var(--white);
    border-color: var(--bronze-primary);
}

.filter-btn i {
    font-size: 1.1rem;
}

/* Grid de Portfólio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.portfolio-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: var(--transition-normal);
    background-color: var(--white);
    height: 400px;
}

/* Projetos em Destaque */
.portfolio-item.portfolio-featured {
    border: 3px solid var(--bronze-primary);
    box-shadow: 0 4px 20px rgba(184, 147, 95, 0.3);
}

.portfolio-item.portfolio-featured::before {
    content: '★ DESTAQUE';
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--bronze-primary), var(--bronze-dark));
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 10;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.portfolio-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.portfolio-item.portfolio-featured:hover {
    box-shadow: 0 8px 30px rgba(184, 147, 95, 0.5);
    border-color: var(--bronze-dark);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: var(--transition-normal);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-category {
    display: inline-block;
    background-color: var(--bronze-primary);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    width: fit-content;
}

.portfolio-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-secondary);
}

.portfolio-description {
    color: var(--gray-light);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.portfolio-meta {
    display: flex;
    gap: 1.5rem;
    color: var(--gray-light);
    font-size: 0.875rem;
}

.portfolio-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.portfolio-meta-item i {
    color: var(--bronze-primary);
}

/* Estado de filtro ativo */
.portfolio-item.hidden {
    display: none;
}

/* Mensagem quando não há resultados */
.no-results {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-medium);
}

.no-results i {
    font-size: 4rem;
    color: var(--gray-light);
    margin-bottom: 1rem;
}

/* Lightbox/Modal (para visualização ampliada - opcional) */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0,0,0,0.95);
    z-index: 2000;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 1200px;
    width: 100%;
    background-color: var(--white);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    animation: fadeInUp 0.4s ease;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    background-color: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--charcoal);
    z-index: 10;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--bronze-primary);
    color: var(--white);
}

.modal-image {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
}

.modal-info {
    padding: var(--spacing-lg);
}

/* Contador de projetos */
.projects-count {
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.95rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
}

/* RESPONSIVO - TABLETS */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .portfolio-item {
        height: 350px;
    }
}

/* RESPONSIVO - MOBILE */
@media (max-width: 768px) {
    .portfolio-filters {
        gap: 0.5rem;
        padding: var(--spacing-sm);
    }
    
    .filter-btn {
        padding: 0.6rem 1rem;
        font-size: 0.875rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .portfolio-item {
        height: 300px;
    }
    
    .portfolio-overlay {
        opacity: 1;
        background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 70%);
    }
    
    .portfolio-title {
        font-size: 1.25rem;
    }
    
    .portfolio-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .modal-content {
        margin: var(--spacing-sm);
    }
    
    .modal-info {
        padding: var(--spacing-md);
    }
}