/* ============================================
   PORTFOLIO CUSTOM STYLES & ANIMATIONS
   ============================================ */

/* Video Container Styles */
.video-container {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 2em 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 60px rgba(0, 0, 0, 0.4);
}

.video-container video {
    width: 100%;
    height: auto;
    display: block;
}

.video-container h3 {
    margin-bottom: 1em;
    color: #ffffff;
}

/* Skills Section Grid */
.skills-section {
    padding: 3em 0;
    animation: fadeInUp 0.8s ease;
}

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

.skill-category {
    background: rgba(255, 255, 255, 0.05);
    padding: 2em;
    border-radius: 10px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid transparent;
}

.skill-category:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px) scale(1.05);
    border-color: #ffffff;
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.skill-category i {
    font-size: 3em;
    margin-bottom: 0.5em;
    color: #ffffff;
    transition: transform 0.3s ease;
}

.skill-category:hover i {
    transform: rotate(360deg);
}

.skill-category h3 {
    margin: 1em 0 0.5em;
    font-size: 1.2em;
}

/* Project Cards with Enhanced Animations */
.project-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.project-card:hover::before {
    left: 100%;
}

.project-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.project-card .image.fit img {
    transition: transform 0.6s ease;
}

.project-card:hover .image.fit img {
    transform: scale(1.1) rotate(2deg);
}

/* Tech Stack Tags */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5em;
    margin: 1em 0;
}

.tech-tag {
    display: inline-block;
    padding: 0.4em 0.8em;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
    transition: all 0.3s ease;
    animation: slideInLeft 0.5s ease;
}

.tech-tag:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.2);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 4em 2em;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 15px;
    margin: 3em 0;
    animation: pulse 2s infinite;
}

/* Gallery Grid for Projects Page */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5em;
    margin: 2em 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

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

.gallery-item .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.gallery-item:hover img {
    transform: scale(1.15);
}

.gallery-item .overlay i {
    font-size: 3em;
    color: #ffffff;
}

/* Lightbox Modal */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    padding: 50px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 85vh;
    animation: zoomIn 0.3s ease;
}

.lightbox .close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 50px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lightbox .close:hover {
    color: #bbb;
}

.lightbox .prev,
.lightbox .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 30px;
    transition: all 0.3s ease;
    border-radius: 3px;
    user-select: none;
    background: rgba(255, 255, 255, 0.1);
}

.lightbox .next {
    right: 20px;
}

.lightbox .prev {
    left: 20px;
}

.lightbox .prev:hover,
.lightbox .next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.2);
}

/* Project Filter Buttons */
.project-filter {
    text-align: center;
    margin: 2em 0 3em;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1em;
    margin-top: 1.5em;
}

.filter-btn {
    padding: 0.8em 1.5em;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.filter-btn:hover,
.filter-btn.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* Project Info Section */
.project-info {
    margin-top: 2em;
}

.project-info h3 {
    margin-top: 2em;
    margin-bottom: 1em;
    border-left: 4px solid #ffffff;
    padding-left: 1em;
}

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

.project-info ul li {
    padding: 0.5em 0 0.5em 1.5em;
    position: relative;
}

.project-info ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #ffffff;
}

.project-links {
    display: flex;
    gap: 1em;
    margin-top: 2em;
    flex-wrap: wrap;
}

.project-divider {
    margin: 4em 0;
    border: none;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* Code Examples Styling */
.code-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1em;
    margin: 2em 0;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.8em 1.5em;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.tab-btn:hover,
.tab-btn.active {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffffff;
    transform: translateY(-2px);
}

.code-section {
    display: none;
    animation: fadeInUp 0.5s ease;
}

.code-section.active {
    display: block;
}

.code-example-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 2em;
    margin: 2em 0;
    transition: all 0.3s ease;
}

.code-example-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateX(10px);
}

.code-example-card h3 {
    margin-top: 0;
    color: #ffffff;
}

.code-wrapper {
    position: relative;
    margin-top: 1em;
}

.copy-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.5em 1em;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.code-wrapper pre {
    margin: 0;
    border-radius: 8px;
    overflow-x: auto;
}

.code-wrapper code {
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

/* GitHub Section */
.github-section {
    text-align: center;
    padding: 3em 0;
}

.github-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2em;
    margin: 2em 0;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2em;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
}

.stat-card h3 {
    font-size: 2.5em;
    margin: 0;
    color: #ffffff;
}

/* About Page Styles */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3em;
    margin: 2em 0;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.about-image img:hover {
    transform: scale(1.05) rotate(-2deg);
}

/* Timeline Styles */
.timeline-section {
    padding: 3em 0;
}

.timeline {
    position: relative;
    padding: 2em 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin: 2em 0;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-marker {
    width: 20px;
    height: 20px;
    background: #ffffff;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

.timeline-content {
    width: 45%;
    background: rgba(255, 255, 255, 0.05);
    padding: 2em;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: auto;
}

.timeline-content:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.timeline-date {
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
}

/* Skills Progress Bars */
.skills-bars-section {
    padding: 3em 0;
}

.skills-bars {
    max-width: 800px;
    margin: 2em auto;
}

.skill-bar {
    margin: 2em 0;
}

.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5em;
    font-weight: bold;
}

.skill-progress {
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.skill-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #00d4ff, #0090ff);
    border-radius: 10px;
    animation: fillBar 2s ease;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Certifications Grid */
.certifications-section {
    padding: 3em 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2em;
    margin: 2em 0;
}

.cert-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2em;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.cert-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #ffffff;
    transform: translateY(-10px) rotate(2deg);
}

.cert-card i {
    font-size: 3em;
    color: #ffd700;
    margin-bottom: 0.5em;
}

.cert-date {
    display: block;
    margin-top: 0.5em;
    color: rgba(255, 255, 255, 0.6);
    font-style: italic;
}

/* Testimonials */
.testimonials-section {
    padding: 3em 0;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2em;
    margin: 2em 0;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2em;
    border-radius: 10px;
    border-left: 4px solid #ffffff;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

.testimonial-content {
    margin-bottom: 1.5em;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1em;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    margin: 0;
}

.testimonial-author p {
    margin: 0.25em 0 0;
    font-size: 0.9em;
    color: rgba(255, 255, 255, 0.6);
}

/* Resume Section */
.resume-section {
    text-align: center;
    padding: 4em 2em;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.1));
    border-radius: 15px;
    margin: 3em 0;
}

.resume-buttons {
    display: flex;
    justify-content: center;
    gap: 1em;
    margin-top: 2em;
    flex-wrap: wrap;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes zoomIn {
    from {
        transform: scale(0.5);
    }
    to {
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

@keyframes fillBar {
    from {
        width: 0;
    }
}

/* Responsive Design */
@media screen and (max-width: 980px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 0;
    }

    .timeline-item,
    .timeline-item:nth-child(even) {
        flex-direction: column;
    }

    .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: 100%;
        margin: 0;
        margin-left: 30px;
    }

    .timeline-marker {
        left: 0;
        transform: translateX(0);
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 736px) {
    .video-container {
        margin: 1em 0;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .filter-buttons {
        flex-direction: column;
    }

    .project-links,
    .resume-buttons {
        flex-direction: column;
    }
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

.scroll-reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Loading Spinner for Videos */
.video-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    margin: -25px 0 0 -25px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
    opacity: 0;
    pointer-events: none;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}