/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Hidden honeypot field for Netlify forms */
.hidden {
    display: none !important;
    position: absolute !important;
    left: -9999px !important;
}

/* 404 page styles */
.error-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.error-icon {
    font-size: 4rem;
    color: #ff6b6b;
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out;
}

.error-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.error-content p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.error-actions .btn {
    min-width: 180px;
}



html {
    scroll-behavior: smooth;
}

/* Project Page Styles */
.project-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
}

.project-hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.project-hero-img {
    max-width: 100%;
    max-height: 340px;
    width: auto;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.10);
    background: white;
    display: block;
}

/* Research Phase Styles */
.research-phase {
    padding: 80px 0;
    background: #f8f9fa;
}

.research-content {
    max-width: 1200px;
    margin: 0 auto;
}

.research-section {
    margin-bottom: 4rem;
}

.research-section h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.research-section h4 {
    font-size: 1.4rem;
    color: #555;
    margin-bottom: 1rem;
    font-weight: 500;
}

.research-section p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1.5rem;
}

.research-section ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.research-section li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.research-section li:before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.research-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

/* Ideate Phase Styles */
.ideate-phase {
    padding: 80px 0;
}

.ideate-content {
    max-width: 1200px;
    margin: 0 auto;
}

.ideate-content > p {
    font-size: 1.2rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 3rem;
    text-align: center;
}

.sketching-section,
.lofi-section,
.design-system-section,
.hifi-section {
    margin-bottom: 4rem;
}

.sketching-section h3,
.lofi-section h3,
.design-system-section h3,
.hifi-section h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.sketching-section p,
.lofi-section p,
.design-system-section p,
.hifi-section p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 2rem;
}

.sketch-images,
.lofi-images,
.design-system-images,
.hifi-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.sketch-image,
.prototype-image,
.design-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sketch-image:hover,
.prototype-image:hover,
.design-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* Results and Conclusion Styles */
.results-content {
    max-width: 1200px;
    margin: 0 auto;
}

.ueq-results,
.improvements {
    margin-bottom: 4rem;
}

.ueq-results h3,
.improvements h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.ueq-results p,
.improvements p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1.5rem;
}

.improvements ul {
    list-style: none;
    margin-bottom: 2rem;
}

.improvements li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.improvements li:before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.results-image,
.improvements-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    margin: 2rem 0;
}

/* New Project Page Sections */
.final-product {
    padding: 80px 0;
    background: #f8f9fa;
}

.product-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.product-description h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.product-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 2rem;
}

.product-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.usability-testing {
    padding: 80px 0;
}

.testing-content {
    max-width: 1200px;
    margin: 0 auto;
}

.testing-section {
    margin-bottom: 4rem;
}

.testing-section h3 {
    font-size: 1.8rem;
    color: #333;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.testing-section p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 2rem;
}

.testing-result {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.testing-result h4 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.testing-result p {
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.ueq-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.ueq-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.ueq-analysis {
    margin-top: 2rem;
}

.ueq-analysis h4 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.ueq-analysis ul {
    list-style: none;
}

.ueq-analysis li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.ueq-analysis li:before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.improvements {
    padding: 80px 0;
    background: #f8f9fa;
}

.improvements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.improvement-item img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.improvement-item img:hover {
    transform: translateY(-5px);
}

.accomplishments-limitations {
    padding: 80px 0;
}

.al-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.accomplishments h2,
.limitations h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    font-weight: 600;
}

.accomplishments ul,
.limitations ul {
    list-style: none;
}

.accomplishments li,
.limitations li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.accomplishments li:before,
.limitations li:before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.further-research {
    padding: 80px 0;
    background: #f8f9fa;
}

.research-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.research-area {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.research-area:hover {
    transform: translateY(-5px);
}

.research-area h3 {
    font-size: 1.4rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 600;
}

.research-area p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
}

.conclusions {
    padding: 80px 0;
}

.conclusions-content {
    max-width: 800px;
    margin: 0 auto;
}

.conclusions-content h2 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 2rem;
    font-weight: 600;
    text-align: center;
}

.conclusions-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1.5rem;
}

.conclusions-content ol {
    margin: 2rem 0;
    padding-left: 2rem;
}

.conclusions-content li {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 1rem;
}

.research-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.research-images .research-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.ideate-image img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.ideate-image img:hover {
    transform: translateY(-5px);
}

.image-caption {
    text-align: center;
    font-style: italic;
    color: #888;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.project-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.project-number {
    font-size: 1.2rem;
    font-weight: 600;
    opacity: 0.8;
    margin-bottom: 1rem;
    display: block;
}

.project-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.project-hero h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    font-weight: 400;
}

.project-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.6;
}

.project-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.meta-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.meta-label {
    display: block;
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.meta-value {
    font-size: 1rem;
    font-weight: 600;
}

.project-placeholder {
    width: 100%;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    backdrop-filter: blur(10px);
}

.project-overview {
    padding: 80px 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.overview-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.overview-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 1.5rem;
}

.overview-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

.problem-statement {
    padding: 80px 0;
    background: #f8f9fa;
}

.problem-statement h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.problem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.problem-text h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.problem-text ul {
    list-style: none;
    padding: 0;
}

.problem-text li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #e9ecef;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.problem-text li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.research-process,
.emotional-research {
    padding: 80px 0;
}

.research-content,
.emotional-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.research-method h3,
.emotion-analysis h3,
.emotion-solution h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.research-method p,
.emotion-analysis p,
.emotion-solution p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.emotion-analysis ul,
.emotion-solution ul {
    list-style: none;
    padding: 0;
}

.emotion-analysis li,
.emotion-solution li {
    padding: 0.5rem 0;
    color: #666;
    line-height: 1.6;
}

.process-section {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.process-step {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 1rem;
}

.process-step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.process-step p {
    color: #666;
    line-height: 1.6;
}

.key-features {
    padding: 80px 0;
}

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

.feature-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: #007bff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

.user-experience,
.visual-design {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.ux-aspect h3,
.design-principle h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.ux-aspect p,
.design-principle p {
    color: #666;
    line-height: 1.6;
}

.technical-implementation {
    padding: 80px 0;
}

.tech-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
}

.tech-details h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.tech-details ul {
    list-style: none;
    padding: 0;
}

.tech-details li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #e9ecef;
    color: #666;
    line-height: 1.6;
}

.prototype-features {
    padding: 80px 0;
    background: #f8f9fa;
}

.prototype-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
}

.prototype-detail h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.prototype-detail ul {
    list-style: none;
    padding: 0;
}

.prototype-detail li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #e9ecef;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.prototype-detail li:before {
    content: "✓";
    color: #007bff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.results {
    padding: 80px 0;
}

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

.result-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.result-item h3 {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 1rem;
    font-weight: 700;
}

.result-item p {
    color: #666;
    line-height: 1.6;
}

.lessons-learned {
    padding: 80px 0;
    background: #f8f9fa;
}

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

.lesson-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.lesson-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.lesson-item p {
    color: #666;
    line-height: 1.6;
}

.project-navigation {
    padding: 60px 0;
    background: white;
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.nav-buttons .btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-buttons .btn:hover {
    transform: translateY(-2px);
}

/* Additional Project Page Sections */
.user-testing,
.user-research-insights {
    padding: 80px 0;
    background: #f8f9fa;
}

.testing-content,
.insights-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 3rem;
}

.testing-method h3,
.insight-method h3,
.testing-feedback h3,
.insight-quotes h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.testing-method p,
.insight-method p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.testing-method ul,
.insight-method ul,
.testing-feedback ul,
.insight-quotes ul {
    list-style: none;
    padding: 0;
}

.testing-method li,
.insight-method li,
.testing-feedback li,
.insight-quotes li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #e9ecef;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
    line-height: 1.6;
}

.testing-method li:before,
.insight-method li:before {
    content: "•";
    color: #007bff;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.testing-feedback li:before,
.insight-quotes li:before {
    content: "\201C";
    color: #007bff;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

/* Project Page Responsive Design */
@media (max-width: 768px) {
    .project-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .project-hero h1 {
        font-size: 2.5rem;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .problem-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .research-content,
    .emotional-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .tech-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .prototype-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .testing-content,
    .insights-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .nav-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    /* Mobile styles for new sections */
    .sketch-images,
    .lofi-images,
    .design-system-images,
    .hifi-images {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .research-section {
        margin-bottom: 3rem;
    }

    .sketching-section,
    .lofi-section,
    .design-system-section,
    .hifi-section {
        margin-bottom: 3rem;
    }

    .ueq-results,
    .improvements {
        margin-bottom: 3rem;
    }
    
    /* Mobile responsive for new sections */
    .product-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .al-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .ueq-results {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .research-images {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ideate-images {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .improvements-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .research-areas {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .testing-result {
        padding: 1.5rem;
    }
    
    .testing-result h4 {
        font-size: 1.5rem;
    }
    
    .product-description h3 {
        font-size: 1.6rem;
    }
    
    .accomplishments h2,
    .limitations h2 {
        font-size: 1.6rem;
    }
}

body {
    font-family: 'Raleway', sans-serif;
    line-height: 1.7;
    color: #333;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Satoshi', sans-serif;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 {
    font-weight: 800;
    font-size: 2.5rem;
}

h2 {
    font-weight: 700;
    font-size: 2rem;
}

h3 {
    font-weight: 600;
    font-size: 1.5rem;
}

p {
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* Section Animations */
.section-title {
    animation: fadeInUp 0.8s ease-out both;
}

.section-subtitle {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.work-grid {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

/* Staggered animations for work items */
.work-item {
    animation: fadeInUp 0.6s ease-out both;
}

.work-item:nth-child(1) { animation-delay: 0.1s; }
.work-item:nth-child(2) { animation-delay: 0.2s; }
.work-item:nth-child(3) { animation-delay: 0.3s; }
.work-item:nth-child(4) { animation-delay: 0.4s; }
.work-item:nth-child(5) { animation-delay: 0.5s; }
.work-item:nth-child(6) { animation-delay: 0.6s; }
.work-item:nth-child(7) { animation-delay: 0.7s; }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #0056b3);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 0.8rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo a {
    font-family: 'Satoshi', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: #007bff;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:hover {
    color: #007bff;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 50%;
    background: linear-gradient(90deg, #007bff, #0056b3);
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active {
    color: #007bff;
}

.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1000;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

/* Animated Background */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.1"/><circle cx="10" cy="60" r="0.5" fill="white" opacity="0.1"/><circle cx="90" cy="40" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
    z-index: 2;
    animation: grain 8s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(1deg); }
    66% { transform: translateY(10px) rotate(-1deg); }
}

@keyframes grain {
    0%, 100% { transform: translate(0, 0); }
    10% { transform: translate(-5%, -5%); }
    20% { transform: translate(-10%, 5%); }
    30% { transform: translate(5%, -10%); }
    40% { transform: translate(-5%, 15%); }
    50% { transform: translate(-10%, 5%); }
    60% { transform: translate(15%, 0%); }
    70% { transform: translate(0%, 10%); }
    80% { transform: translate(3%, 15%); }
    90% { transform: translate(-10%, 5%); }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 3;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-family: 'Raleway', sans-serif;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0056b3 0%, #004085 100%);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 30px rgba(0, 123, 255, 0.4);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid currentColor;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: left 0.5s;
    z-index: -1;
}

/* Ensure secondary button contrast on light backgrounds */
.project-navigation .btn.btn-secondary {
    color: #333;
    border-color: #333;
}

.project-navigation .btn.btn-secondary:hover {
    background: #333;
    color: #fff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover::before {
    left: 100%;
}

/* Scroll Down Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 3;
    animation: fadeInUp 1s ease-out 1s both;
}

.scroll-chevron {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(255, 255, 255, 0.8);
    border-bottom: 2px solid rgba(255, 255, 255, 0.8);
    transform: rotate(45deg);
    margin: 0 auto 10px;
    animation: bounce 2s infinite;
}

.scroll-text {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 1px;
    text-transform: uppercase;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: rotate(45deg) translateY(0); }
    40% { transform: rotate(45deg) translateY(-10px); }
    60% { transform: rotate(45deg) translateY(-5px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-img:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.profile-placeholder {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: #333;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 3rem;
}

/* Work Section */
.work {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.work::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Personal Work Section */
.personal-work {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.personal-work::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(102, 126, 234, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(118, 75, 162, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.personal-work .work-grid {
    margin-top: 2rem;
}

/* Disabled button styles */
.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    background: #ccc !important;
    color: #666 !important;
    border-color: #ccc !important;
}

.btn.disabled:hover {
    transform: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    background: #ccc !important;
    color: #666 !important;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
}

.back-to-top i {
    font-size: 1.2rem;
}

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    grid-auto-rows: 1fr;
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}

.work-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    flex-direction: column;
    position: relative;
}

.work-item:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.work-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.work-item:hover::before {
    opacity: 1;
}

.work-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.work-placeholder {
    font-size: 3rem;
    color: white;
    opacity: 0.8;
}

.work-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.3s ease;
    display: block;
}

.work-item:hover .work-img {
    transform: scale(1.08);
}

.work-item:hover .work-placeholder {
    transform: scale(1.1);
    opacity: 1;
}

/* Project Overlay */
.work-item .project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 2;
    pointer-events: none;
}

.work-item:hover .project-overlay {
    opacity: 1;
}

.project-overlay-content {
    text-align: center;
    color: white;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.work-item:hover .project-overlay-content {
    transform: translateY(0);
}

.project-overlay-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    opacity: 0;
    transition: opacity 0.4s ease 0.1s;
}

.work-item:hover .project-overlay-icon {
    opacity: 1;
}

.project-overlay-text {
    font-size: 1.1rem;
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.4s ease 0.2s;
}

.work-item:hover .project-overlay-text {
    opacity: 1;
}

/* Ensure images are properly displayed */
.work-image img {
    position: relative;
    z-index: 1;
}

/* Research and Ideate Phase Image Styles */
.research-image,
.ideate-image,
.ueq-image,
.gamification-image {
    margin: 2rem 0;
    text-align: center;
}

.research-img,
.ideate-img,
.ueq-img,
.gamification-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Clickable image hover effects */
.research-img:hover,
.ideate-img:hover,
.hifi-img:hover,
.improvement-img:hover,
.ueq-img:hover,
.gamification-img:hover,
.clickable-image:hover,
.expandable-img:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    cursor: pointer;
}

.image-caption {
    margin-top: 1rem;
    font-style: italic;
    color: #666;
    font-size: 0.9rem;
}

/* Hifi Images Grid */
.hifi-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.hifi-image {
    text-align: center;
}

.hifi-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Improvements Grid */
.improvements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

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

.improvement-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    text-align: center;
    animation: modalFadeIn 0.3s ease;
}

.close-modal {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
}

.close-modal:hover {
    color: #007bff;
}

.modal-image {
    max-width: 100%;
    max-height: 80vh;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-caption {
    color: white;
    margin-top: 1rem;
    font-size: 1rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Remove background when images are present */
.work-image img {
    background: none;
}

.work-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.work-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.work-content p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.work-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    background: #e3f2fd;
    color: #1976d2;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Ensure buttons are aligned at the bottom of work items */
.work-content .btn {
    margin-top: auto;
    align-self: flex-start;
}

/* About Section */
.about {
    padding: 100px 0;
    background: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.about-text h3 {
    font-size: 1.3rem;
    margin: 2rem 0 1rem 0;
    color: #333;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #007bff;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: #666;
    font-weight: 500;
}

/* About Page Specific Styles */
.about-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.about-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.about-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.about-content {
    padding: 100px 0;
    background: white;
}

/* YouTube Channel Section */
.youtube-channel,
.youtube-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.youtube-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 3rem;
}

.youtube-info h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.youtube-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #666;
    margin-bottom: 1.5rem;
}

.youtube-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.youtube-stat {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.youtube-stat h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 600;
}

.youtube-stat p {
    color: #666;
    margin: 0;
}

.youtube-placeholder {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.2);
}

.youtube-placeholder i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Experience Timeline */
.experience {
    padding: 100px 0;
    background: #f8f9fa;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #007bff;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 45%;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 55%;
}

.timeline-marker {
    position: absolute;
    top: 0;
    width: 20px;
    height: 20px;
    background: #007bff;
    border-radius: 50%;
    border: 4px solid white;
    box-shadow: 0 0 0 4px #007bff;
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -60px;
}

.timeline-content {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.timeline-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.timeline-content h4 {
    font-size: 1rem;
    color: #007bff;
    margin-bottom: 0.5rem;
}

.timeline-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 1rem;
    font-style: italic;
}

.timeline-content ul {
    list-style: none;
    padding: 0;
}

.timeline-content li {
    padding: 0.3rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

/* Skills Section */
.skills {
    padding: 100px 0;
    background: white;
}

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

.skill-category {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #333;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.skill-category h3 i {
    color: #007bff;
}

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

.skill-tag {
    background: white;
    color: #007bff;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e3f2fd;
}

/* Education Section */
.education {
    padding: 100px 0;
    background: #f8f9fa;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.education-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.education-item:hover {
    transform: translateY(-5px);
}

.education-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.education-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.education-content h4 {
    font-size: 1rem;
    color: #007bff;
    margin-bottom: 0.5rem;
}

.education-content p {
    color: #666;
    margin-bottom: 0.5rem;
}

.education-date {
    font-size: 0.9rem;
    color: #999;
    font-style: italic;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: #f8f9fa;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

/* Services Page Specific Styles */
.services-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.services-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.services-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.services-overview {
    padding: 100px 0;
    background: white;
}

.services-intro {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.services-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.services-intro p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

.main-services {
    padding: 100px 0;
    background: #f8f9fa;
}

.service-deliverables {
    margin-top: 2rem;
    text-align: left;
}

.service-deliverables h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: #333;
}

.service-deliverables ul {
    list-style: none;
    padding: 0;
}

.service-deliverables li {
    padding: 0.3rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.service-deliverables li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #007bff;
    font-weight: bold;
}

/* Process Section */
.process {
    padding: 100px 0;
    background: white;
}

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

.process-step {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
}

.process-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.process-step p {
    color: #666;
    line-height: 1.6;
}

/* Industries Section */
.industries {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.industry-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.industry-card:hover {
    transform: translateY(-5px);
}

.industry-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.industry-card h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.industry-card p {
    color: #666;
    line-height: 1.6;
}

/* Services CTA */
.services-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* Contact Section */
.contact {
    padding: 100px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-info p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #666;
}

.contact-item i {
    margin-right: 1rem;
    color: #007bff;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background: #f8f9fa;
    border-radius: 25px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.social-link:hover {
    background: #007bff;
    color: white;
    transform: translateY(-3px);
}

/* Contact Page Specific Styles */
.contact-hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.contact-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.contact-hero-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Contact Form Enhanced */
.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-family: 'Raleway', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: #f8f9fa;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-5px);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #333;
}

.faq-item p {
    color: #666;
    line-height: 1.6;
}

/* Contact Form */
.contact-form {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-family: 'Raleway', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 3rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-section {
    text-align: left;
}

.footer-section h3 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.newsletter-form .btn {
    padding: 0.75rem 1.5rem;
    white-space: nowrap;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.social-links i {
    font-size: 1.2rem;
}

.copy-email {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
}

.copy-email:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.copy-email.copied {
    background: #28a745;
    transform: scale(1.1);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #007bff;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    /* Hero Section */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        line-height: 1.4;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.6;
    }

    .hero-img {
        width: 250px;
        height: 250px;
    }

    .hero-cta {
        justify-content: center;
        gap: 1rem;
    }

    /* Project Hero */
    .project-hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .project-hero h1 {
        font-size: 2.5rem;
    }

    .project-hero h2 {
        font-size: 1.5rem;
    }

    .project-subtitle {
        font-size: 1rem;
    }

    /* Grid Layouts */
    .about-grid,
    .contact-content,
    .work-grid,
    .services-grid,
    .overview-grid,
    .problem-content,
    .research-content,
    .tech-content,
    .prototype-content,
    .testing-content,
    .insights-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    /* Work Images */
    .work-image {
        height: 180px;
    }

    /* Research and Ideate Images */
    .hifi-images {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    /* Project Specific Grids */
    .product-content,
    .al-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .ueq-results,
    .research-images {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .ideate-images,
    .improvements-grid,
    .research-areas {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Process Cards */
    .process-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    /* Navigation Buttons */
    .nav-buttons {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    /* Typography Adjustments */
    .testing-result h4 {
        font-size: 1.5rem;
    }

    .product-description h3,
    .accomplishments h2,
    .limitations h2 {
        font-size: 1.6rem;
    }

    /* Spacing Adjustments */
    .research-section,
    .sketching-section,
    .lofi-section,
    .design-system-section,
    .hifi-section {
        margin-bottom: 2rem;
    }

    .ueq-results,
    .improvements {
        margin-bottom: 2rem;
    }

    /* Testing Result */
    .testing-result {
        padding: 1.5rem;
    }

    /* Image Grids */
    .sketch-images,
    .lofi-images,
    .design-system-images,
    .hifi-images {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

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

    .hero-cta {
        justify-content: center;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .profile-placeholder {
        width: 200px;
        height: 200px;
        font-size: 3rem;
    }

    /* Timeline responsive */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px;
    }

    .timeline-item:nth-child(odd) .timeline-marker,
    .timeline-item:nth-child(even) .timeline-marker {
        left: 0;
        right: auto;
    }

    /* Skills responsive */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    /* Education responsive */
    .education-grid {
        grid-template-columns: 1fr;
    }

    .education-item {
        flex-direction: column;
        text-align: center;
    }

    /* Process responsive */
    .process-grid {
        grid-template-columns: 1fr;
    }

    /* Industries responsive */
    .industries-grid {
        grid-template-columns: 1fr;
    }

    /* FAQ responsive */
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .faq-item {
        padding: 1.5rem;
    }

    .faq-item h3 {
        font-size: 1.1rem;
        line-height: 1.3;
    }

    .faq-item p {
        font-size: 0.95rem;
        line-height: 1.5;
    }
}

/* Additional responsive adjustments (<=768px) */
@media (max-width: 768px) {
    /* Hero titles responsive */
    .about-hero-title,
    .services-hero-title,
    .contact-hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    .about-hero-subtitle,
    .services-hero-subtitle,
    .contact-hero-subtitle {
        font-size: 1rem;
        line-height: 1.4;
    }

    /* Project hero responsive */
    .project-hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .project-hero-img {
        max-width: 100%;
        height: auto;
        border-radius: 12px;
    }

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

/* Additional responsive adjustments (<=768px) */
@media (max-width: 768px) {
    /* YouTube channel responsive */
    .youtube-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .youtube-stats {
        grid-template-columns: 1fr;
    }

    /* Social links responsive */
    .social-links {
        justify-content: center;
    }

    .social-link {
        flex-direction: column;
        text-align: center;
        padding: 1rem;
    }
    
    .error-content h1 {
        font-size: 2rem;
    }
    
    .error-content p {
        font-size: 1.1rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .error-actions .btn {
        min-width: 200px;
    }
}

@media (max-width: 480px) {
    /* Typography */
    .hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        line-height: 1.3;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .hero-img {
        width: 200px;
        height: 200px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 0.8rem;
    }

    .btn {
        width: 100%;
        max-width: 250px;
        text-align: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .project-hero h1 {
        font-size: 2rem;
        line-height: 1.1;
    }

    .project-hero h2 {
        font-size: 1.3rem;
        line-height: 1.2;
    }

    .about-hero-title,
    .services-hero-title,
    .contact-hero-title {
        font-size: 2rem;
        line-height: 1.1;
    }

    .about-hero-subtitle,
    .services-hero-subtitle,
    .contact-hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.3;
    }

    .project-meta {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .meta-item {
        padding: 0.8rem;
    }

    /* Container */
    .container {
        padding: 0 15px;
    }

    /* Cards */
    .service-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .feature-card {
        padding: 1.5rem;
        margin-bottom: 1rem;
    }

    .work-item {
        margin-bottom: 2rem;
    }

    .work-image {
        height: 160px;
    }

    /* Research and Ideate Images - Small Screens */
    .hifi-images {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

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

    /* Modal Responsive Styles */
    .modal-content {
        max-width: 95%;
        max-height: 95%;
    }

    .close-modal {
        top: -35px;
        font-size: 1.5rem;
    }

    .modal-caption {
        font-size: 0.9rem;
        margin-top: 0.8rem;
    }

    .about-text h2,
    .about-text h3 {
        font-size: 1.5rem;
        line-height: 1.3;
    }

    .about-text p {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* Buttons */
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    /* Navigation */
    .nav-menu {
        top: 60px;
        padding: 1.5rem 0;
    }

    .nav-link {
        padding: 1rem 0;
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Project Meta */
    .project-meta {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    /* Process Cards */
    .process-card {
        padding: 1.5rem;
    }

    .step-number {
        font-size: 1.5rem;
        width: 40px;
        height: 40px;
    }

    /* Testing Results */
    .testing-result {
        padding: 1rem;
    }

    .testing-result h4 {
        font-size: 1.3rem;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 1rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

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

.work-item,
.service-card,
.stat-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling for anchor links */
html {
    scroll-padding-top: 80px;
} 

.process-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 3rem;
}
@media (max-width: 900px) {
    .process-cards {
        grid-template-columns: 1fr;
    }
}

.expandable-img {
    cursor: pointer;
    transition: transform 0.18s, box-shadow 0.18s;
}
.expandable-img:hover {
    transform: scale(1.04);
    box-shadow: 0 6px 24px rgba(25, 118, 255, 0.18);
    z-index: 2;
}

#lightbox-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    width: 100vw; height: 100vh;
    background: rgba(20, 24, 32, 0.88);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
#lightbox-overlay[style*="display: flex"] {
    display: flex !important;
}
#lightbox-img {
    max-width: 90vw;
    max-height: 80vh;
    border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.25);
    background: #fff;
    margin-bottom: 18px;
}
#lightbox-close {
    color: #fff;
    font-size: 2.5rem;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 32px;
    right: 48px;
    z-index: 10001;
    transition: color 0.18s;
}
#lightbox-close:hover {
    color: #1976ff;
}
@media (max-width: 700px) {
    #lightbox-img {
        max-width: 98vw;
        max-height: 60vh;
    }
    #lightbox-close {
        top: 12px;
        right: 18px;
        font-size: 2rem;
    }
} 

.process-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.1rem;
    width: 100%;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    justify-items: center;
}
.process-image-grid img {
    width: 100%;
    max-width: 260px;
    max-height: 180px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(80,80,120,0.07);
    background: #f8f9fa;
    display: block;
}
@media (max-width: 700px) {
    .process-image-grid {
        grid-template-columns: 1fr;
    }
    .process-image-grid img {
        max-width: 98vw;
        max-height: 180px;
    }
}