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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f9f7ff;
}

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

/* Navigation */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 253, 255, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e2e0f0;
    z-index: 1000;
}

.nav {
    padding: 1rem 0;
}

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

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #9E9EFF;
    text-decoration: none;
}

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

.nav-link {
    color: #64748b;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #9E9EFF;
    background-color: #f3f1ff;
}

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

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

/* Main Content */
.main-content {
    margin-top: 80px;
    padding: 2rem 0;
}

/* Hero Section */
.hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, #9E9EFF 0%, #7B68EE 50%, #6A5ACD 100%);
    color: white;
}

.hero-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: #e2e8f0;
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #f1f5f9;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: #9E9EFF;
    color: white;
    border: 2px solid #9E9EFF;
}

.btn-primary:hover {
    background: #8282FF;
    border-color: #8282FF;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #9E9EFF;
}

.btn-outline {
    background: transparent;
    color: #9E9EFF;
    border: 2px solid #9E9EFF;
}

.btn-outline:hover {
    background: #9E9EFF;
    color: white;
}

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

.profile-photo {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.placeholder-image {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e2e8f0;
    font-size: 1rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 3rem;
    text-align: center;
}

.highlights {
    padding: 4rem 0;
    background: #f3f0ff;
}

.carousel-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.carousel-viewport {
    overflow: hidden;
    flex: 1;
}

.carousel-track {
    display: flex;
    gap: 1.5rem;
    transition: transform 0.4s ease;
}

.carousel-track .highlight-card {
    flex-shrink: 0;
}

.carousel-btn {
    background: white;
    border: 1px solid rgba(158, 158, 255, 0.3);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #9E9EFF;
    flex-shrink: 0;
    transition: background 0.2s ease, color 0.2s ease;
}

.carousel-btn:hover {
    background: #9E9EFF;
    color: white;
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: default;
    background: white;
    color: #9E9EFF;
}

.highlight-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 10px -1px rgba(158, 158, 255, 0.15);
    border: 1px solid rgba(158, 158, 255, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.highlight-card h4 {
    min-height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
}

.project-status {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.project-status.current {
    background: #dcfce7;
    color: #166534;
}

.project-status.past {
    background: #f3f4f6;
    color: #6b7280;
}

.project-status.upcoming {
    background: #dbeafe;
    color: #1e40af;
}

.project-link {
    margin-top: auto;
    padding-top: 1rem;
    color: #9E9EFF;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.project-link:hover {
    text-decoration: underline;
}

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

.highlight-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.highlight-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Recent Publications */
.recent-publications {
    padding: 4rem 0;
}

.publications-preview {
    margin-bottom: 2rem;
}

.publication-item {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
    border-left: 4px solid #9E9EFF;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pub-year {
    background: #9E9EFF;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 600;
}

.publication-item h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0.5rem 0;
}

.pub-venue {
    color: #64748b;
    font-style: italic;
}

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

/* Footer */
.footer {
    background: #1e293b;
    color: #cbd5e1;
    padding: 3rem 0 1rem;
}

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

.footer h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer a {
    color: #B8B8FF;
    text-decoration: none;
}

.footer a:hover {
    color: #D0D0FF;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* About Page Styles */
.page-header {
    text-align: center;
    padding: 2rem 0;
    margin-bottom: 2rem;
}

/* CV Download Button */
.cv-download {
    margin-top: 2rem;
}

.cv-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #9E9EFF 0%, #7B68EE 100%);
    color: white;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 6px rgba(158, 158, 255, 0.25);
}

.cv-download-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(158, 158, 255, 0.35);
    color: white;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 800px;
    margin: 0 auto;
}

.about-header {
    text-align: center;
    margin-bottom: 3rem;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

/* New layout with images sidebar */
.about-grid-with-images {
    display: grid;
    grid-template-columns: 250px 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.images-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.images-sidebar .image-item {
    text-align: center;
}

.images-sidebar .activity-photo {
    width: 300px;
    height: 300px;
    object-fit: cover;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Specific positioning for each image */
.images-sidebar .image-item:nth-child(1) .activity-photo {
    object-position: center top; /* Running image - show head */
}

.images-sidebar .image-item:nth-child(2) .activity-photo {
    object-position: center bottom; /* Painting image - show bottom */
}

.images-sidebar .image-item:nth-child(3) .activity-photo {
    object-position: center center; /* Soccer image - keep centered */
}

.about-content-main {
    padding: 0;
}

/* Paragraph spacing */
.spaced-paragraph {
    margin-bottom: 2.5rem;
}

/* Inline Education Section */
.education-inline {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.education-item-inline {
    background: #f8fafc;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 3px solid #9E9EFF;
}

.education-item-inline h4 {
    color: #9E9EFF;
    font-weight: 600;
    margin-bottom: 0.5rem;
}


/* Education heading to match original Professional Experience size */
.about-content h2:not(:first-child) {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Education Section */
.education-section {
    margin: 4rem 0;
}

.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.education-item-large {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 0.75rem;
    border-left: 4px solid #9E9EFF;
}

.education-item-large h3 {
    color: #9E9EFF;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.education-item-large .institution {
    font-weight: 600;
    color: #1e293b;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.education-item-large .date {
    color: #64748b;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.education-item-large .detail {
    color: #475569;
    font-style: italic;
}

.about-content h2 {
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 1rem;
}

.about-content h3 {
    font-size: 1.3rem;
    color: #475569;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1rem;
}

.about-content h3:first-of-type {
    margin-top: 1rem;
}

/* About page link styling */
.about-content a {
    color: #7B68EE;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease, text-decoration 0.2s ease;
}

.about-content a:hover {
    color: #9E9EFF;
    text-decoration: underline;
}

.about-content h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #9E9EFF 0%, #7B68EE 100%);
    border-radius: 2px;
}

.about-content p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: #475569;
}

.research-interests {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.5rem;
}

.research-interests li {
    padding: 0.5rem 0;
    border-left: 3px solid #9E9EFF;
    padding-left: 1rem;
    background: #faf9ff;
    margin-bottom: 0.5rem;
}

.about-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(158, 158, 255, 0.12);
    border: 1px solid rgba(158, 158, 255, 0.08);
    margin-bottom: 1.5rem;
}

.about-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.education-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.education-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.education-item h4 {
    color: #9E9EFF;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Sidebar Experience Styling */
.sidebar-exp-item {
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #e2e8f0;
}

.sidebar-exp-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.sidebar-exp-item h4 {
    color: #9E9EFF;
    font-weight: 600;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.institution {
    font-weight: 500;
    color: #1e293b;
}

.date {
    color: #64748b;
    font-size: 0.9rem;
    margin: 0.25rem 0;
}

.detail {
    color: #64748b;
    font-size: 0.9rem;
}

.quick-facts {
    list-style: none;
}

.quick-facts li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

.quick-facts strong {
    color: #9E9EFF;
}

/* Experience Timeline */
.experience-section {
    margin: 4rem 0;
}


.experience-timeline {
    position: relative;
    padding-left: 2.5rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 1.4rem;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #e2e8f0;
}

.experience-item {
    position: relative;
    margin-bottom: 2rem;
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(158, 158, 255, 0.12);
    border: 1px solid rgba(158, 158, 255, 0.08);
}

.experience-item::before {
    content: '';
    position: absolute;
    left: -1.75rem;
    top: 1.5rem;
    width: 12px;
    height: 12px;
    background: #9E9EFF;
    border-radius: 50%;
    border: 3px solid white;
}

.exp-date {
    position: absolute;
    left: -13rem;
    top: 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    width: 11rem;
    white-space: nowrap;
    color: #9E9EFF;
    text-align: right;
}

.experience-item h3 {
    color: #1e293b;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.experience-item h4 {
    color: #64748b;
    font-weight: 500;
    margin-bottom: 1rem;
}

/* Personal Images Section */
.personal-images {
    margin: 2rem 0 3rem;
}

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

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

/* Content with floating images */
.content-with-image {
    overflow: hidden;
    margin-bottom: 2rem;
}

.floating-image {
    width: 250px;
    margin: 1rem;
}

.floating-image.left {
    float: left;
    margin-left: 0;
    margin-right: 2rem;
}

.floating-image.right {
    float: right;
    margin-right: 0;
    margin-left: 2rem;
}

/* Research Highlight Styling */
.research-highlight {
    color: #475569;
    font-weight: 600;
}

/* Inline Research List Styling */
.inline-research-list {
    margin: 0.5rem 0 0.5rem 2rem;
    padding-left: 2rem;
    font-size: inherit;
    line-height: 1.8;
}

.inline-research-list li {
    margin: 0.25rem 0;
    padding-left: 0.5rem;
}

.activity-photo {
    width: 100%;
    max-width: 400px;
    height: 350px;
    object-fit: cover;
    object-position: center top;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.floating-image .activity-photo {
    height: 200px;
    max-width: 100%;
}

.activity-photo:hover {
    transform: scale(1.02);
}

.image-caption {
    margin-top: 0.75rem;
    font-style: italic;
    color: #64748b;
    font-size: 0.9rem;
}

/* Clear floats after content */
.content-with-image::after {
    content: "";
    display: table;
    clear: both;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .floating-image {
        float: none;
        width: 100%;
        margin: 1rem 0;
    }
    
    .floating-image.left,
    .floating-image.right {
        margin-left: 0;
        margin-right: 0;
    }
}

/* Awards Section */
.awards-section {
    margin: 4rem 0;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.award-item {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid #B8B8FF;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.award-item h3 {
    color: #1e293b;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.award-item p {
    color: #64748b;
}

/* Publications Page Styles */
.publications-section {
    margin: 2rem 0;
}

.publications-list {
    margin-bottom: 3rem;
}

.publications-list .publication-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #e2e8f0;
    border-radius: 0.5rem;
    background: white;
}

.pub-number {
    min-width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #9E9EFF, #7B68EE);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.125rem;
}

.pub-content {
    flex: 1;
}

.pub-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.75rem;
}

.pub-title-link {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.pub-title-link:hover {
    color: #9E9EFF;
    text-decoration: underline;
}

.pub-authors {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.pub-authors strong {
    color: #1e293b;
}

.pub-venue {
    font-style: italic;
    color: #64748b;
    margin-bottom: 0.25rem;
}

.pub-location {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

.pub-link {
    color: #9E9EFF;
    text-decoration: none;
    font-size: 0.9rem;
}

.pub-link:hover {
    text-decoration: underline;
}

.pub-tags {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: #f3f1ff;
    color: #7B68EE;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.subsection-title {
    font-size: 1.25rem;
    color: #64748b;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Publication Stats */
.publication-stats {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 3rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.stat-item {
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #9E9EFF;
    display: block;
}

.stat-label {
    color: #64748b;
    font-size: 0.875rem;
}

/* Research Areas */
.research-areas {
    margin: 4rem 0;
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.area-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(158, 158, 255, 0.12);
    border-top: 4px solid #9E9EFF;
}

.area-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

/* Research Page Styles */
.research-overview {
    margin: 2rem 0 4rem;
}

.overview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.research-impact h3 {
    color: #1e293b;
    margin: 2rem 0 1rem;
}

.research-impact ul {
    list-style: none;
}

.research-impact li {
    padding: 0.5rem 0;
    border-left: 3px solid #B8B8FF;
    padding-left: 1rem;
    margin-bottom: 0.5rem;
}

.overview-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.research-stats {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat {
    margin-bottom: 1.5rem;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: #9E9EFF;
}

.stat-label {
    color: #64748b;
    font-size: 0.9rem;
}

/* Research Areas Section */
.research-areas-section {
    margin: 4rem 0;
}

.research-area {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    overflow: hidden;
}

.area-header {
    background: linear-gradient(135deg, #9E9EFF 0%, #7B68EE 50%, #6A5ACD 100%);
    color: white;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.area-icon {
    font-size: 2rem;
}

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

.area-content {
    padding: 2rem;
}

.area-content h4 {
    color: #1e293b;
    font-size: 1.125rem;
    margin: 1.5rem 0 0.75rem;
}

.area-content ul {
    margin-bottom: 1rem;
}

.area-content li {
    margin-bottom: 0.5rem;
    color: #475569;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tech-tag {
    background: #ede9fe;
    color: #6A5ACD;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.related-pubs {
    list-style: none;
}

.related-pubs li {
    padding: 0.5rem 0;
    border-left: 3px solid #9E9EFF;
    padding-left: 1rem;
    margin-bottom: 0.5rem;
    background: #faf9ff;
    font-size: 0.9rem;
}

/* Current Projects */
.current-projects {
    margin: 4rem 0;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 8px rgba(158, 158, 255, 0.12);
    border: 1px solid rgba(158, 158, 255, 0.08);
    position: relative;
}

.project-card h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.project-duration {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}


/* Collaboration Section */
.collaboration {
    margin: 4rem 0;
}

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

.advisor-info,
.collaborators {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.collaboration h3 {
    color: #1e293b;
    margin-bottom: 1rem;
}

.collaborators ul {
    list-style: none;
}

.collaborators li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f5f9;
}

/* Mobile Responsiveness */
@media screen and (max-width: 768px) {
    .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;
    }

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

    .nav-item {
        margin: 1rem 0;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .profile-photo {
        width: 250px;
        height: 250px;
        margin-top: 2rem;
    }

    .about-grid,
    .about-grid-with-images,
    .education-grid,
    .education-inline,
    .experience-inline,
    .overview-grid {
        grid-template-columns: 1fr;
    }
    
    .images-sidebar {
        flex-direction: row;
        gap: 1rem;
        margin-bottom: 2rem;
    }
    
    .images-sidebar .image-item {
        flex: 1;
    }

    .carousel-track .highlight-card {
        min-width: 100%;
    }

    .exp-date {
        position: static;
        margin-bottom: 0.5rem;
        text-align: left;
        width: auto;
    }

    .experience-timeline {
        padding-left: 0;
    }

    .experience-timeline::before {
        display: none;
    }

    .experience-item::before {
        display: none;
    }

    .publications-list .publication-item {
        flex-direction: column;
        text-align: center;
    }

    .pub-number {
        align-self: center;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

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

    .page-header h1 {
        font-size: 2.5rem;
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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