.carousel {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-item.active {
    opacity: 1;
}

.carousel-content {
    text-align: center;
    color: white;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
    max-width: 80%;
}

.carousel-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.carousel-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: white;
}

.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: var(--transition);
}

.carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.8);
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

/* Filtro de categorias */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
}

.filter-button {
    padding: 0.5rem 1rem;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

.filterable-item {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.filterable-item:not(.visible) {
    opacity: 0;
    transform: scale(0.8);
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-image-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 4px;
}

.lightbox-caption {
    color: white;
    text-align: center;
    padding: 1rem 0;
    font-size: 1.1rem;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev {
    left: -60px;
}

.lightbox-next {
    right: -60px;
}

/* Formulário de Newsletter */
.newsletter-form {
    max-width: 500px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.newsletter-form h3 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    font-size: 1rem;
}

.form-status {
    padding: 0.75rem;
    margin-top: 1rem;
    border-radius: 4px;
    display: none;
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-status.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Botões de compartilhamento */
.share-buttons {
    display: flex;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.share-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.share-button:hover {
    transform: translateY(-3px);
}

.share-facebook {
    background-color: #3b5998;
}

.share-twitter {
    background-color: #1da1f2;
}

.share-linkedin {
    background-color: #0077b5;
}

.share-whatsapp {
    background-color: #25d366;
}

.share-email {
    background-color: #ea4335;
}

/* Modo escuro */
.dark-mode-toggle {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--dark-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
}

body.dark-mode {
    background-color: #121212;
    color: #e0e0e0;
}

body.dark-mode .header,
body.dark-mode .footer {
    background-color: #1e1e1e;
}

body.dark-mode .nav-list a {
    color: #e0e0e0;
}

body.dark-mode .featured-card,
body.dark-mode .newsletter-form {
    background-color: #1e1e1e;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

body.dark-mode .card-title,
body.dark-mode .section-title {
    color: #e0e0e0;
}

body.dark-mode .card-text {
    color: #b0b0b0;
}

/* Botão de voltar ao topo */
.scroll-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--secondary-color);
}

/* Galeria de imagens */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.gallery-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
}

.gallery-image-container::before {
    content: '';
    display: block;
    padding-top: 75%; /* Proporção 4:3 */
}

.gallery-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-image-container:hover .gallery-image {
    transform: scale(1.05);
}

/* Responsividade para recursos interativos */
@media (max-width: 768px) {
    .carousel {
        height: 300px;
    }
    
    .carousel-title {
        font-size: 1.5rem;
    }
    
    .carousel-description {
        font-size: 1rem;
    }
    
    .lightbox-prev {
        left: 10px;
    }
    
    .lightbox-next {
        right: 10px;
    }
    
    .category-filter {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-button {
        width: 100%;
        max-width: 300px;
    }
    
    .image-gallery {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}