/* Project Gallery Styles */
.project-gallery {
    padding: 100px 0;
    background: var(--white);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--light-gray);
    border: 2px solid transparent;
    padding: 12px 24px;
    border-radius: 25px;
    color: var(--neutral-gray);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-2px);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.project-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.project-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.project-card.filtered-out {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

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

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

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 64, 175, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.view-project-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-project-btn:hover {
    background: var(--accent-orange);
    color: var(--white);
    transform: scale(1.05);
}

.project-info {
    padding: 1.5rem;
}

.project-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.project-school {
    color: var(--primary-blue);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.project-grade {
    color: var(--neutral-gray);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--light-gray);
    color: var(--neutral-gray);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.gallery-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.load-more-btn {
    background: var(--light-gray);
    color: var(--text-dark);
    border: 2px solid var(--light-gray);
}

.load-more-btn:hover {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

/* Project Modal Styles */
.project-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background: var(--white);
    border-radius: 16px;
    max-width: 900px;
    max-height: 90vh;
    width: 90%;
    overflow-y: auto;
    transform: scale(0.7);
    transition: transform 0.3s ease;
}

.project-modal.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.modal-header h2 {
    color: var(--text-dark);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--neutral-gray);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--light-gray);
    color: var(--text-dark);
}

.modal-body {
    padding: 1.5rem;
}

.project-gallery-images {
    margin-bottom: 2rem;
}

.main-image {
    margin-bottom: 1rem;
}

.main-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
}

.thumbnail-images {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    flex-shrink: 0;
}

.thumbnail:hover,
.thumbnail.active {
    opacity: 1;
}

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

.project-details {
    display: grid;
    gap: 2rem;
}

.project-meta p {
    margin-bottom: 0.5rem;
    color: var(--neutral-gray);
}

.project-meta strong {
    color: var(--text-dark);
}

.project-description h3,
.project-achievements h3,
.project-technologies h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.project-description p {
    line-height: 1.6;
    color: var(--neutral-gray);
}

#modal-achievements {
    list-style: none;
    padding: 0;
}

#modal-achievements li {
    padding: 0.5rem 0;
    color: var(--neutral-gray);
    position: relative;
    padding-left: 1.5rem;
}

#modal-achievements li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: bold;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags .tag {
    background: var(--primary-blue);
    color: var(--white);
}

/* Responsive Design */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-filters {
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .gallery-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .modal-body {
        padding: 1rem;
    }
}

/* Animation for filtered projects */
@keyframes projectFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.project-card.fade-in {
    animation: projectFadeIn 0.5s ease-out;
}