.portfolio-hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.6) 100%);
    color: var(--white-color);
    margin-top: 0px;
    text-align: center;
}

.portfolio-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/portfolio/hero-portfolio.webp');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.portfolio-hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
}

.portfolio-hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.portfolio-hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.portfolio-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
    margin-top: 3rem;
}

.portfolio-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-top: 0.5rem;
}

.portfolio-main {
    padding: 5rem 0;
    background: var(--background-light);
}

/* filter */
.portfolio-filter-section {
    background: var(--white-color);
    padding: 2rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 2rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: var(--white-color);
}


.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 2rem;
    margin-bottom: 4rem;
}

.portfolio-item {
    background: var(--white-color);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: transform  0.4s ease;
    opacity: 1;
    transform: translateY(0);
    display: block !important;
}

.portfolio-item.hidden {
    opacity: 0;
    transform: translateY(20px);
    display: none !important;
}

.portfolio-item.visible {
    opacity: 1;
    transform: translateY(0);
    display: block !important;
}
.cta-actions .btn{
    width: 15rem;
}

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr); 
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr; 
    }
    
    .portfolio-hero-title {
        font-size: 2.5rem;
    }
    
    .portfolio-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}
.portfolio-item.animate-out {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.portfolio-item.animate-in {
    animation: fadeInUp 0.6s ease-out;
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.portfolio-actions {
    display: flex;
    gap: 1rem;
}

.portfolio-action-btn {
    width: 50px;
    height: 50px;
    background: var(--white-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: transform 0.3s ease, background-color 0.3s ease, color 0.3s ease;
}

.portfolio-action-btn:hover {
    transform: scale(1.1);
    background: var(--text-dark);
    color: var(--white-color);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-category {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.portfolio-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.portfolio-description {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.portfolio-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.portfolio-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.portfolio-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.portfolio-link:hover {
    color: var(--text-dark);
}

/* داستان‌های موفقیت */
.success-stories-section {
    padding: 5rem 0;
    background: var(--white-color);
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.story-card {
    background: var(--background-light);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--gray-light-color);
}

.story-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-light);
}

.story-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--primary-color);
}

.story-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.story-name {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.story-period {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.story-results {
    background: var(--white-color);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #eee;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--text-muted);
}

.result-value {
    color: var(--text-dark);
    font-weight: 600;
}

.story-quote {
    font-style: italic;
    color: var(--text-muted);
    line-height: 1.6;
    position: relative;
    padding: 0 1rem;
}

.story-quote::before,
.story-quote::after {
    content: '"';
    font-size: 2rem;
    color: var(--primary-color);
    position: absolute;
}

.story-quote::before {
    top: -0.5rem;
    right: 0;
}

.story-quote::after {
    bottom: -1rem;
    left: 0;
}

/* achievements */
.achievements-section {
    padding: 5rem 0;
    background: var(--background-light);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.achievement-card {
    background: var(--white-color);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid var(--gray-light-color) !important;
}

.achievement-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-light);
}

.achievement-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.achievement-icon i {
    color: var(--white-color);
    font-size: 2rem;
}

.achievement-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.achievement-description {
    color: var(--text-muted);
    line-height: 1.6;
}

/* CTA */
.portfolio-cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white-color);
    padding: 5rem 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Modal */
.portfolio-modal {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.portfolio-modal.active {
    display: flex;
}

.modal-content {
    background: var(--white-color);
    border-radius: 1rem;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--white-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 1.2rem;
    color: var(--text-dark);
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

.modal-image {
    background: var(--background-light);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
}

.modal-info {
    padding: 2rem;
}

.modal-category {
    display: inline-block;
    background: var(--primary-color);
    color: var(--white-color);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.modal-description {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.modal-details {
    margin-bottom: 2rem;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid #eee;
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    color: var(--text-muted);
    font-weight: 600;
}

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

/* انیمیشن‌های اصلاح شده */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOutDown {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(20px);
    }
}

@media (max-width: 1024px) {
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-image {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .portfolio-hero-title {
        font-size: 2.5rem;
    }
    
    .portfolio-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .stories-grid {
        grid-template-columns: 1fr !important;
    }
    
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .cta-actions{
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

}

/* Lightgallery Customization */
.lg-backdrop {
    background: rgba(0,0,0,0.9) !important;
}

.lg-toolbar {
    background: rgba(0,0,0,0.5) !important;
}

.lg-actions .lg-next, 
.lg-actions .lg-prev {
    background: var(--primary-color) !important;
}