/* Portfolio Page Specific Styles */

/* Portfolio Hero Section */
.portfolio-hero {
    padding: 120px 0 60px;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

.portfolio-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.portfolio-hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Filter Section */
.filter-section {
    padding: 40px 0;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 100;
}

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

.filter-btn {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Portfolio Section */
.portfolio-section {
    padding: 80px 0;
}

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

.portfolio-item {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    opacity: 1;
    transform: scale(1);
}

.portfolio-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.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;
    right: 0;
    bottom: 0;
    background: rgba(99, 102, 241, 0.9);
    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;
    align-items: center;
}

.portfolio-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.portfolio-link:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.portfolio-external {
    color: white;
    text-decoration: none;
    padding: 0.75rem;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.portfolio-external:hover {
    background-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.portfolio-tags .tag {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.portfolio-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.portfolio-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

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

.project-year {
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.project-client {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Project Modal */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 2rem;
}

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

.modal-content {
    background-color: var(--bg-primary);
    border-radius: var(--radius-xl);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-body {
    padding: 2rem;
}

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

.modal-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

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

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

.modal-tags .tag {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
}

.modal-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.info-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-process h4,
.modal-results h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.process-steps {
    display: grid;
    gap: 1rem;
}

.process-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.process-step-number {
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.process-step-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modal-results p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.modal-footer {
    padding: 1rem 2rem 2rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .portfolio-hero-content h1 {
        font-size: 2.5rem;
    }

    .portfolio-hero-content p {
        font-size: 1.1rem;
    }

    .filter-buttons {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .portfolio-actions {
        flex-direction: column;
        gap: 0.5rem;
    }

    .modal-content {
        margin: 1rem;
        max-height: 95vh;
    }

    .modal-header {
        padding: 1.5rem 1.5rem 1rem;
    }

    .modal-header h2 {
        font-size: 1.5rem;
    }

    .modal-body {
        padding: 1.5rem;
    }

    .modal-image img {
        height: 200px;
    }

    .modal-info {
        grid-template-columns: 1fr;
    }

    .modal-footer {
        flex-direction: column;
        padding: 1rem 1.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .portfolio-hero {
        padding: 100px 0 40px;
    }

    .portfolio-hero-content h1 {
        font-size: 2rem;
    }

    .portfolio-hero-content p {
        font-size: 1rem;
    }

    .filter-section {
        padding: 30px 0;
    }

    .filter-buttons {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .filter-btn {
        white-space: nowrap;
        flex-shrink: 0;
    }

    .portfolio-section {
        padding: 60px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .portfolio-content {
        padding: 1rem;
    }

    .portfolio-content h3 {
        font-size: 1.1rem;
    }

    .modal-content {
        margin: 0.5rem;
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 1rem;
    }

    .modal-header h2 {
        font-size: 1.25rem;
    }

    .modal-image img {
        height: 150px;
    }
}

/* Animation for portfolio items */
.portfolio-item {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger animation for grid items */
.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }
.portfolio-item:nth-child(7) { animation-delay: 0.7s; }
.portfolio-item:nth-child(8) { animation-delay: 0.8s; }

/* Loading state for portfolio items */
.portfolio-item.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Masonry layout option (uncomment to use) */
/*
.portfolio-grid {
    column-count: 3;
    column-gap: 2rem;
}

.portfolio-item {
    break-inside: avoid;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .portfolio-grid {
        column-count: 2;
        column-gap: 1rem;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        column-count: 1;
    }
}
*/