/* Estilos para a seção de Portfólio */
.portfolio {
    padding: clamp(40px, 5vw, 70px) 0 !important;
    background-color: #fff;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: clamp(15px, 2.5vw, 25px) 0 !important;
    gap: clamp(6px, 1vw, 10px) !important;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid #f0f0f0;
    color: #666;
    padding: clamp(4px, 1vw, 8px) clamp(12px, 2vw, 20px) !important;
    border-radius: 30px;
    font-size: clamp(0.75rem, 1vw, 0.9rem) !important;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover, .filter-btn.active {
    background-color: #ff6b6b;
    border-color: #ff6b6b;
    color: #fff;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(clamp(250px, 22vw, 280px), 1fr)) !important;
    gap: clamp(15px, 2vw, 25px) !important;
    margin-top: clamp(20px, 2.5vw, 30px) !important;
}

/* Ajustes para telas grandes */
@media (min-width: 1200px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)) !important;
        gap: clamp(18px, 1.5vw, 28px) !important;
    }
}

@media (min-width: 1400px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)) !important;
        gap: clamp(20px, 1.2vw, 30px) !important;
    }
}

.portfolio-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    height: 280px;
    display: none; /* Esconde todos por padrão */
    cursor: pointer;
    background-color: #f5f5f5;
}

.portfolio-item.show {
    display: block; /* Mostra apenas os com classe show */
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s;
    display: block;
}

.portfolio-item:hover img {
    transform: scale(1.03);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #fff;
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}

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

.portfolio-overlay h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.portfolio-overlay p {
    font-size: 0.95rem;
    text-align: center;
    margin-bottom: 15px;
}

.portfolio-overlay i {
    font-size: 1.4rem;
    color: #fff;
    background-color: rgba(255, 107, 107, 0.9);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-overlay::after {
    content: 'Clique para ampliar';
    font-size: 0.8rem;
    margin-top: 10px;
    opacity: 0.9;
    font-weight: 500;
}

/* Estilos responsivos */
@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .portfolio {
        padding: 60px 0;
    }
    
    .portfolio-filter {
        margin: 20px 0;
    }
    
    .filter-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 20px;
    }
    
    .portfolio-item {
        height: 200px;
    }
    
    .portfolio-overlay h4 {
        font-size: 1.1rem;
    }
    
    .portfolio-overlay p {
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .portfolio {
        padding: 40px 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .portfolio-item {
        height: 220px;
    }
    
    .filter-btn {
        margin-bottom: 5px;
    }
}

/* Animação fadeIn */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-item.show {
    animation: fadeIn 0.5s ease;
}

/* Lightbox — ampliar imagem ao clicar */
.portfolio-lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.88);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.portfolio-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.portfolio-lightbox-content {
    position: relative;
    max-width: min(95vw, 1100px);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: lightboxZoom 0.3s ease;
}

.portfolio-lightbox-content img {
    max-width: 100%;
    max-height: calc(90vh - 60px);
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.portfolio-lightbox-caption {
    color: #fff;
    margin-top: 16px;
    font-size: 1rem;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
}

.portfolio-lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    z-index: 10001;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 2.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 8px 12px;
    transition: color 0.2s, transform 0.2s;
}

.portfolio-lightbox-close:hover {
    color: #ff6b6b;
    transform: scale(1.1);
}

@keyframes lightboxZoom {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}