.portfolio-section {
    position: relative;
    padding: var(--spacing-24) 0;
    background-color: var(--off-white);
    overflow: hidden;
}

/* Background e elementos decorativos */
.portfolio-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(105, 43, 83, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.portfolio-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.portfolio-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.portfolio-shape {
    position: absolute;
    opacity: 0.05;
}

.portfolio-shape.shape-1 {
    top: 10%;
    right: 5%;
    width: 300px;
    height: 300px;
    border: 2px solid var(--primary-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphShape 15s ease-in-out infinite;
}

.portfolio-shape.shape-2 {
    bottom: 15%;
    left: 5%;
    width: 200px;
    height: 200px;
    background-color: var(--secondary-color);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morphShape 20s ease-in-out infinite alternate-reverse;
}

.portfolio-shape.shape-3 {
    top: 40%;
    left: 50%;
    width: 150px;
    height: 150px;
    border: 2px solid var(--secondary-light);
    border-radius: 50%;
    animation: rotateRing 30s linear infinite;
}

/* Cabeçalho da seção */
.portfolio-header {
    position: relative;
    text-align: center;
    margin-bottom: var(--spacing-16);
    z-index: 2;
}

.portfolio-subtitle {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-2);
    position: relative;
    display: inline-block;
}

.portfolio-subtitle::before,
.portfolio-subtitle::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 1px;
    background-color: var(--secondary-color);
}

.portfolio-subtitle::before {
    left: -40px;
}

.portfolio-subtitle::after {
    right: -40px;
}

.portfolio-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-4);
}

.portfolio-title span {
    position: relative;
    color: var(--primary-color);
    z-index: 1;
}

.portfolio-title span::before {
    content: '';
    position: absolute;
    left: -5px;
    bottom: 5px;
    width: calc(100% + 10px);
    height: 10px;
    background-color: var(--secondary-light);
    opacity: 0.3;
    z-index: -1;
    transform: skewX(-15deg);
}

.portfolio-description {
    font-size: var(--text-lg);
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Filtros do portfólio */
.portfolio-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-12);
    z-index: 2;
    position: relative;
}

.filter-btn {
    padding: var(--spacing-3) var(--spacing-6);
    background-color: transparent;
    border: 1px solid var(--light-gray);
    border-radius: var(--radius-full);
    color: var(--dark-gray);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        rgba(105, 43, 83, 0.1), 
        rgba(212, 169, 119, 0.1), 
        rgba(105, 43, 83, 0.1));
    transition: left 0.5s ease;
    z-index: -1;
}

.filter-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary-color);
}

.filter-btn:hover::before {
    left: 0;
}

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

/* Grid do portfólio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-6);
    z-index: 2;
    position: relative;
    margin-bottom: var(--spacing-16);
}

/* Item do portfólio */
.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transform: translateY(0);
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeInUp 0.8s forwards;
}

.portfolio-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.portfolio-image {
    width: 100%;
    height: 0;
    padding-top: 75%; /* 4:3 Ratio */
    position: relative;
    overflow: hidden;
}

.portfolio-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.1),
        rgba(105, 43, 83, 0.8)
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-6);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.portfolio-category {
    font-size: var(--text-xs);
    color: var(--secondary-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-2);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    transition-delay: 0.1s;
}

.portfolio-item:hover .portfolio-category {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--white);
    margin-bottom: var(--spacing-2);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    transition-delay: 0.2s;
}

.portfolio-item:hover .portfolio-title {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-view {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--white);
    font-size: var(--text-xs);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s ease, opacity 0.5s ease;
    transition-delay: 0.3s;
    position: relative;
    cursor: pointer;
    padding-bottom: 2px;
}

.portfolio-view::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--secondary-light);
    transition: width 0.3s ease;
}

.portfolio-item:hover .portfolio-view {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-item:hover .portfolio-view::after {
    width: 100%;
}

.portfolio-image-count {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    background-color: rgba(0, 0, 0, 0.5);
    color: var(--white);
    font-size: var(--text-xs);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image-count {
    opacity: 1;
    transform: translateX(0);
}

/* CTA */
.portfolio-cta {
    text-align: center;
    z-index: 2;
    position: relative;
}

.portfolio-cta .btn-secondary {
    position: relative;
    overflow: hidden;
}

.portfolio-cta .btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.7s ease;
}

.portfolio-cta .btn-secondary:hover::before {
    left: 100%;
}

/* Modal de detalhes */
.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.modal-container {
    width: 90%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    position: relative;
    transform: scale(0.9);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.5s ease;
}

.portfolio-modal.active .modal-container {
    transform: scale(1);
    opacity: 1;
}

.modal-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.modal-close:hover {
    background-color: var(--primary-dark);
    transform: rotate(90deg);
}

.modal-content {
    padding: var(--spacing-8);
}

/* Estilos do modal de portfólio */
.modal-header {
    margin-bottom: var(--spacing-6);
}

.modal-title {
    font-size: var(--text-3xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-2);
}

.modal-subtitle {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.modal-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-8);
}

.gallery-item {
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item.expanded {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
}

.gallery-item.expanded img {
    width: auto;
    height: auto;
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    transform: scale(1);
}

.modal-info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-8);
}

.modal-description h3 {
    font-size: var(--text-xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-4);
}

.modal-description p {
    font-size: var(--text-base);
    color: var(--dark-gray);
    line-height: 1.8;
}

.modal-details {
    background-color: var(--off-white);
    padding: var(--spacing-6);
    border-radius: var(--radius-md);
}

.detail-item {
    margin-bottom: var(--spacing-4);
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: 600;
    color: var(--primary-color);
    display: block;
    margin-bottom: var(--spacing-1);
}

.detail-value {
    color: var(--dark-gray);
}

.modal-footer {
    text-align: center;
}