/* ===============================================
   JOTAC DIGITAL - PORTFOLIO PAGE STYLES
   Project Gallery & Interactive Elements
   =============================================== */

/* ===== PORTFOLIO HERO ===== */
.portfolio-hero {
    padding: 120px 0 80px;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.portfolio-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.portfolio-hero .container {
    position: relative;
    z-index: 2;
}

.portfolio-hero .page-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
}

.portfolio-hero .title-accent {
    color: var(--accent-cyan);
}

.portfolio-hero .title-main {
    color: var(--white);
}

.portfolio-hero .page-description {
    font-size: 18px;
    color: var(--gray-400);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 48px;
}

.portfolio-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.portfolio-stats .stat-number {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--accent-blue);
    display: block;
    margin-bottom: 8px;
}

.portfolio-stats .stat-label {
    color: var(--gray-400);
    font-size: 14px;
    font-weight: 500;
}

/* ===== PORTFOLIO FILTERS ===== */
.portfolio-filters {
    padding: 60px 0;
    background: var(--gray-900);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--border-radius);
    color: var(--gray-400);
    font-family: var(--font-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--accent-blue);
    color: var(--white);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.filter-btn i {
    font-size: 16px;
}

/* ===== PORTFOLIO GRID ===== */
.portfolio-grid {
    padding: 80px 0;
    background: var(--primary-dark);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.project-card {
    background: var(--gray-900);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition-smooth);
    border: 1px solid rgba(0, 212, 255, 0.1);
    opacity: 1;
    transform: scale(1);
}

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

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

/* ===== PROJECT IMAGE ===== */
.project-image {
    position: relative;
    height: 250px;
    background: var(--gradient-dark);
    overflow: hidden;
}

.project-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--accent-blue);
}

.project-placeholder i {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.7;
}

.project-placeholder span {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 600;
    color: var(--white);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

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

.project-actions {
    display: flex;
    gap: 16px;
}

.project-btn {
    width: 50px;
    height: 50px;
    background: var(--accent-blue);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 18px;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-btn:hover {
    background: var(--accent-cyan);
    transform: scale(1.1);
}

.details-btn {
    background: var(--accent-purple);
}

.details-btn:hover {
    background: var(--accent-cyan);
}

/* ===== PROJECT INFO ===== */
.project-info {
    padding: 24px;
}

.project-category {
    color: var(--accent-blue);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.project-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 12px;
}

.project-description {
    color: var(--gray-400);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.project-tag {
    padding: 4px 12px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

/* ===== LOAD MORE BUTTON ===== */
.portfolio-load-more {
    text-align: center;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    padding: var(--section-padding);
    background: var(--gray-800);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: var(--gray-900);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--border-radius);
    padding: 32px;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 212, 255, 0.2);
}

.testimonial-content {
    margin-bottom: 24px;
}

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-rating i {
    color: #ffd700;
    font-size: 16px;
}

.testimonial-content p {
    color: var(--gray-400);
    line-height: 1.6;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
}

.author-name {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
}

.author-role {
    font-size: 14px;
    color: var(--accent-blue);
}

/* ===== PORTFOLIO CTA ===== */
.portfolio-cta {
    padding: var(--section-padding);
    background: var(--gradient-dark);
    text-align: center;
}

.portfolio-cta .cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.2rem);
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.portfolio-cta .cta-content p {
    font-size: 18px;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 32px;
}

.portfolio-cta .cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== PROJECT MODAL ===== */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.project-modal.show {
    opacity: 1;
    visibility: visible;
}

.project-modal-content {
    background: var(--gray-900);
    border: 1px solid var(--accent-blue);
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(50px);
    transition: transform 0.3s ease;
}

.project-modal.show .project-modal-content {
    transform: translateY(0);
}

.project-modal-header {
    padding: 24px 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    margin-bottom: 24px;
}

.project-modal-header h3 {
    color: var(--white);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: rgba(0, 212, 255, 0.1);
}

.project-modal-body {
    padding: 0 24px 24px;
}

.project-modal-image {
    width: 100%;
    height: 300px;
    background: var(--gradient-dark);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-modal-image i {
    font-size: 72px;
    color: var(--accent-blue);
    opacity: 0.7;
}

.project-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.project-overview h4,
.project-specs h4 {
    color: var(--white);
    margin-bottom: 16px;
    font-size: 18px;
}

.project-overview p {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-features {
    list-style: none;
    padding: 0;
}

.project-features li {
    color: var(--gray-400);
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.project-features li::before {
    content: '✓';
    color: var(--accent-cyan);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.project-tech-stack {
    margin-top: 20px;
}

.project-tech-stack h5 {
    color: var(--white);
    margin-bottom: 12px;
}

.tech-stack-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-stack-tag {
    padding: 6px 12px;
    background: rgba(0, 212, 255, 0.15);
    color: var(--accent-blue);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.project-results {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--accent-blue);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-top: 24px;
}

.project-results h5 {
    color: var(--white);
    margin-bottom: 16px;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
}

.result-item {
    text-align: center;
}

.result-number {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-cyan);
    display: block;
    margin-bottom: 4px;
}

.result-label {
    color: var(--gray-400);
    font-size: 12px;
}

/* ===== FILTER ANIMATIONS ===== */
.project-card.filtering-out {
    animation: filterOut 0.3s ease forwards;
}

.project-card.filtering-in {
    animation: filterIn 0.3s ease forwards;
}

@keyframes filterOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}

@keyframes filterIn {
    0% {
        opacity: 0;
        transform: scale(0.8);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 24px;
    }
    
    .portfolio-stats {
        gap: 40px;
    }
    
    .project-details {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .portfolio-hero {
        padding: 100px 0 60px;
    }
    
    .portfolio-filters {
        padding: 40px 0;
    }
    
    .filter-buttons {
        gap: 12px;
    }
    
    .filter-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .filter-btn span {
        display: none;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .portfolio-stats {
        gap: 30px;
    }
    
    .portfolio-stats .stat-number {
        font-size: 36px;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
    
    .portfolio-cta .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .project-info {
        padding: 20px;
    }
    
    .project-image {
        height: 200px;
    }
    
    .project-placeholder i {
        font-size: 36px;
    }
    
    .project-placeholder span {
        font-size: 18px;
    }
    
    .project-btn {
        width: 44px;
        height: 44px;
        font-size: 16px;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
    
    .project-modal-content {
        margin: 10px;
    }
    
    .project-modal-header,
    .project-modal-body {
        padding: 16px;
    }
    
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== LOADING STATES ===== */
.projects-grid.loading {
    opacity: 0.7;
    pointer-events: none;
}

.project-card.loading {
    background: linear-gradient(90deg, 
        var(--gray-900) 25%, 
        rgba(0, 212, 255, 0.1) 50%, 
        var(--gray-900) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ===== ACCESSIBILITY ===== */
.project-btn:focus,
.filter-btn:focus {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .project-card,
    .testimonial-card,
    .filter-btn {
        transition: none;
    }
    
    .project-card.filtering-out,
    .project-card.filtering-in {
        animation: none;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .portfolio-filters,
    .project-actions,
    .portfolio-cta {
        display: none;
    }
    
    .project-card {
        break-inside: avoid;
        border: 1px solid #ccc;
    }
    
    .project-overlay {
        display: none;
    }
}