/* ============================================
   NEURAL TRANSIT - Page Specific Styles
   Styles for homepage and other pages
   ============================================ */

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--navbar-height) + var(--space-8));
    padding-bottom: var(--space-16);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

/* Hero Content */
.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-cyan-400);
    width: fit-content;
}

.hero-title {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
}

.hero-title-line {
    display: block;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--dark-text-secondary);
    max-width: 540px;
    line-height: var(--leading-relaxed);
}

body.light-mode .hero-subtitle {
    color: var(--light-text-secondary);
}

.hero-subtitle strong {
    color: var(--accent-cyan-400);
    font-weight: 600;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: var(--space-10);
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-cyan-500);
    line-height: 1;
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
    margin-top: var(--space-1);
}

body.light-mode .hero-stat-label {
    color: var(--light-text-tertiary);
}

/* Hero CTA */
.hero-cta {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-container {
    position: relative;
    width: 100%;
    max-width: 450px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl), var(--shadow-glow-cyan);
    background: var(--gradient-card);
    aspect-ratio: 4/5;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    background: var(--gradient-card);
}

/* Floating Cards */
.hero-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

body.light-mode .hero-floating-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: var(--light-border);
}

.hero-floating-card.card-1 {
    top: 10%;
    left: -15%;
    animation-delay: 0s;
}

.hero-floating-card.card-2 {
    bottom: 25%;
    right: -10%;
    animation-delay: -2s;
}

.hero-floating-card.card-3 {
    bottom: 5%;
    left: -5%;
    animation-delay: -4s;
}

.floating-card-icon {
    width: 44px;
    height: 44px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.floating-card-content {
    display: flex;
    flex-direction: column;
}

.floating-card-title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--dark-text-primary);
}

body.light-mode .floating-card-title {
    color: var(--light-text-primary);
}

.floating-card-text {
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
}

body.light-mode .floating-card-text {
    color: var(--light-text-tertiary);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--dark-text-tertiary);
    font-size: var(--text-xs);
    animation: fadeInUp 1s ease 1s both;
}

body.light-mode .scroll-indicator {
    color: var(--light-text-tertiary);
}

.scroll-indicator-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--dark-text-tertiary);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    padding-top: var(--space-2);
}

body.light-mode .scroll-indicator-mouse {
    border-color: var(--light-text-tertiary);
}

.scroll-indicator-wheel {
    width: 4px;
    height: 8px;
    background: var(--accent-cyan-500);
    border-radius: var(--radius-full);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% {
        transform: translateY(0);
        opacity: 1;
    }
    50% {
        transform: translateY(10px);
        opacity: 0.3;
    }
}

/* ============================================
   SECTION STYLES
   ============================================ */

/* Alternative Section Background */
.section-alt {
    background: var(--dark-bg-secondary);
}

body.light-mode .section-alt {
    background: var(--light-bg-secondary);
}

/* Research Grid */
.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

/* Updates Grid */
.updates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

/* Card Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

/* Card Header with Badge */
.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

/* Update Meta */
.update-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.update-date {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .update-date {
    color: var(--light-text-tertiary);
}

/* Card Link Text */
.card-link-text {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-cyan-500);
    transition: gap var(--duration-200);
}

.card-link-text:hover {
    gap: var(--space-3);
}

.card-link-text svg {
    width: 16px;
    height: 16px;
}

/* Section CTA */
.section-cta {
    display: flex;
    justify-content: center;
    margin-top: var(--space-12);
}

/* ============================================
   CTA SECTION
   ============================================ */
.section-cta-full {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.section-cta-full::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, var(--accent-cyan-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, var(--accent-green-glow) 0%, transparent 50%);
    opacity: 0.5;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: var(--space-4);
}

.cta-content p {
    font-size: var(--text-lg);
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--primary-900);
    padding: var(--space-16) 0 var(--space-8);
    border-top: 1px solid var(--dark-border);
}

body.light-mode .footer {
    background: var(--light-bg-tertiary);
    border-color: var(--light-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

/* Footer Brand */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-brand p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    max-width: 300px;
    line-height: var(--leading-relaxed);
}

body.light-mode .footer-brand p {
    color: var(--light-text-secondary);
}

/* Footer Social */
.footer-social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--dark-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text-secondary);
    transition: all var(--duration-300);
}

body.light-mode .social-link {
    background: var(--light-bg-secondary);
    color: var(--light-text-secondary);
}

.social-link:hover {
    background: var(--accent-cyan-500);
    color: var(--primary-900);
    transform: translateY(-3px);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* Footer Column */
.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--accent-cyan-500);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    transition: color var(--duration-200);
}

body.light-mode .footer-links a {
    color: var(--light-text-secondary);
}

.footer-links a:hover {
    color: var(--accent-cyan-400);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--dark-border);
}

body.light-mode .footer-bottom {
    border-color: var(--light-border);
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .footer-bottom p {
    color: var(--light-text-tertiary);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-12);
    }
    
    .hero-content {
        align-items: center;
        order: 2;
    }
    
    .hero-visual {
        order: 1;
    }
    
    .hero-subtitle {
        margin: 0 auto;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-image-container {
        max-width: 350px;
    }
    
    .hero-floating-card {
        display: none;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .research-grid,
    .updates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .hero {
        padding-top: calc(var(--navbar-height) + var(--space-4));
        min-height: auto;
        padding-bottom: var(--space-12);
    }
    
    .hero-title {
        font-size: var(--text-4xl);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .hero-stat {
        text-align: center;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .research-grid,
    .tools-grid,
    .updates-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        align-items: center;
    }
    
    .footer-brand p {
        max-width: 100%;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-column {
        align-items: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-stat-value {
        font-size: var(--text-3xl);
    }
}

/* ============================================
   PAGE HEADER (Used on inner pages)
   ============================================ */
.page-header {
    padding-top: calc(var(--navbar-height) + var(--space-16));
    padding-bottom: var(--space-12);
    text-align: center;
    position: relative;
}

.page-header-content {
    max-width: 700px;
    margin: 0 auto;
}

.page-header .badge {
    margin-bottom: var(--space-4);
}

.page-header h1 {
    margin-bottom: var(--space-4);
}

.page-header p {
    font-size: var(--text-lg);
    color: var(--dark-text-secondary);
}

body.light-mode .page-header p {
    color: var(--light-text-secondary);
}

/* ============================================
   ABOUT PAGE
   ============================================ */

/* About Grid Layout */
.about-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: var(--space-12);
    align-items: start;
}

/* About Image Column */
.about-image-column {
    position: sticky;
    top: calc(var(--navbar-height) + var(--space-6));
}

.about-image-wrapper {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl), var(--shadow-glow-cyan);
    margin-bottom: var(--space-6);
}

.about-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
}

/* Quick Info Cards */
.about-quick-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.quick-info-card {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
}

body.light-mode .quick-info-card {
    background: var(--light-bg-secondary);
    border-color: var(--light-border);
}

.quick-info-card svg {
    width: 20px;
    height: 20px;
    color: var(--accent-cyan-500);
    flex-shrink: 0;
}

.quick-info-card div {
    display: flex;
    flex-direction: column;
}

.quick-info-label {
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
}

body.light-mode .quick-info-label {
    color: var(--light-text-tertiary);
}

.quick-info-value {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--dark-text-primary);
}

body.light-mode .quick-info-value {
    color: var(--light-text-primary);
}

/* About CTA */
.about-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.about-cta .btn {
    width: 100%;
    justify-content: center;
}

/* About Content Column */
.about-content-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-10);
}

.about-section h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--dark-border);
}

body.light-mode .about-section h2 {
    border-color: var(--light-border);
}

/* About Bio */
.about-bio {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.about-bio p {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
}

.about-bio strong {
    color: var(--accent-cyan-400);
}

/* Research Interests Grid */
.interests-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.interest-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200);
}

body.light-mode .interest-item {
    background: var(--light-bg-secondary);
    border-color: var(--light-border);
}

.interest-item:hover {
    border-color: var(--accent-cyan-500);
    transform: translateX(4px);
}

.interest-icon {
    font-size: 1.5rem;
}

.interest-item span {
    font-size: var(--text-sm);
    font-weight: 500;
}

/* ============================================
   TIMELINE
   ============================================ */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: var(--space-8);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-bottom: var(--space-8);
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * var(--space-8) - 6px);
    top: 0;
    width: 14px;
    height: 14px;
    background: var(--accent-cyan-500);
    border: 3px solid var(--dark-bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-cyan-glow);
}

body.light-mode .timeline-marker {
    border-color: var(--light-bg-primary);
}

.timeline-content {
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
}

body.light-mode .timeline-content {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.timeline-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.timeline-date {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .timeline-date {
    color: var(--light-text-tertiary);
}

.timeline-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.timeline-place {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-3);
}

.timeline-description {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .timeline-description {
    color: var(--light-text-secondary);
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.skill-category {
    display: flex;
    flex-direction: column;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.skill-tags .tag {
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--accent-cyan-400);
}

/* ============================================
   PERSONAL INTERESTS
   ============================================ */
.interests-personal-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.personal-interest-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .personal-interest-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.personal-interest-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan-500);
}

.personal-interest-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--space-3);
}

.personal-interest-card h5 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

.personal-interest-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .personal-interest-card p {
    color: var(--light-text-secondary);
}

/* ============================================
   ABOUT PAGE RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .about-image-column {
        position: static;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .about-cta {
        flex-direction: row;
    }
    
    .about-cta .btn {
        flex: 1;
    }
    
    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .interests-personal-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .about-cta {
        flex-direction: column;
    }
    
    .interests-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--space-6);
    }
    
    .timeline-marker {
        left: calc(-1 * var(--space-6) - 6px);
    }
    
    .timeline-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
    }
}

@media (max-width: 480px) {
    .interests-personal-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   RESEARCH PAGE
   ============================================ */

/* Research Stats Grid */
.research-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.research-stat-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .research-stat-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.research-stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan-500);
    box-shadow: var(--shadow-lg), 0 0 20px var(--accent-cyan-glow);
}

.research-stat-icon {
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.research-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-cyan-500);
    line-height: 1;
}

.research-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-top: var(--space-1);
}

body.light-mode .research-stat-label {
    color: var(--light-text-secondary);
}

/* Research Project Card (Large) */
.research-project-card {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--space-8);
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-6);
    transition: all var(--duration-300);
}

body.light-mode .research-project-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.research-project-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.research-project-card:last-child {
    margin-bottom: 0;
}

.project-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-card);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image-placeholder {
    width: 100%;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    background: var(--gradient-card);
}

.project-content {
    display: flex;
    flex-direction: column;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.project-date {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .project-date {
    color: var(--light-text-tertiary);
}

.project-content h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-3);
}

.project-description {
    font-size: var(--text-base);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

body.light-mode .project-description {
    color: var(--light-text-secondary);
}

/* Project Highlights */
.project-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
}

.highlight-item svg {
    width: 16px;
    height: 16px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: auto;
}

/* Project Outcome */
.project-outcome {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--accent-green-400);
    width: fit-content;
    margin: var(--space-3) 0;
}

.project-outcome svg {
    width: 16px;
    height: 16px;
}

/* Completed Projects Grid */
.completed-projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.completed-projects-grid .card {
    display: flex;
    flex-direction: column;
}

.completed-projects-grid .card-title {
    margin-top: var(--space-2);
}

.completed-projects-grid .card-tags {
    margin-top: auto;
    padding-top: var(--space-4);
}

/* Research Areas Grid */
.research-areas-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.research-area-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .research-area-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.research-area-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan-500);
}

.area-icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
}

.research-area-card h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.research-area-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .research-area-card p {
    color: var(--light-text-secondary);
}

/* Research Page Responsive */
@media (max-width: 1024px) {
    .research-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .research-project-card {
        grid-template-columns: 1fr;
    }
    
    .project-image-placeholder {
        height: 200px;
    }
    
    .completed-projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .research-areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .completed-projects-grid,
    .research-areas-grid {
        grid-template-columns: 1fr;
    }
    
    .project-highlights {
        flex-direction: column;
        gap: var(--space-2);
    }
}

/* ============================================
   PUBLICATIONS PAGE
   ============================================ */

/* Publication Stats */
.pub-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.pub-stat-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
}

body.light-mode .pub-stat-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.pub-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-cyan-500);
}

.pub-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-top: var(--space-1);
}

body.light-mode .pub-stat-label {
    color: var(--light-text-secondary);
}

/* Publication Filters */
.pub-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--dark-text-secondary);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--duration-200);
}

body.light-mode .filter-btn {
    color: var(--light-text-secondary);
    background: var(--light-bg-secondary);
    border-color: var(--light-border);
}

.filter-btn:hover {
    border-color: var(--accent-cyan-500);
    color: var(--accent-cyan-500);
}

.filter-btn.active {
    background: var(--gradient-accent);
    color: var(--primary-900);
    border-color: transparent;
}

/* Publication Year Group */
.pub-year-group {
    margin-bottom: var(--space-10);
}

.pub-year-group:last-child {
    margin-bottom: 0;
}

.pub-year-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--dark-border);
}

body.light-mode .pub-year-header {
    border-color: var(--light-border);
}

.pub-year {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-cyan-500);
}

.pub-year-count {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .pub-year-count {
    color: var(--light-text-tertiary);
}

/* Publication Card */
.pub-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    transition: all var(--duration-300);
}

body.light-mode .pub-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.pub-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: var(--shadow-lg);
}

.pub-card:last-child {
    margin-bottom: 0;
}

.pub-type-badge {
    padding-top: var(--space-1);
}

.pub-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.pub-title {
    font-size: var(--text-lg);
    font-weight: 600;
    line-height: var(--leading-snug);
    color: var(--dark-text-primary);
}

body.light-mode .pub-title {
    color: var(--light-text-primary);
}

.pub-authors {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .pub-authors {
    color: var(--light-text-secondary);
}

.pub-authors strong {
    color: var(--accent-cyan-400);
}

.pub-venue {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--accent-green-400);
    font-style: italic;
}

.pub-venue svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.pub-abstract {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

body.light-mode .pub-abstract {
    color: var(--light-text-secondary);
}

.pub-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.pub-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

/* Google Scholar CTA */
.scholar-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .scholar-cta {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.scholar-cta-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.scholar-icon {
    font-size: 3rem;
}

.scholar-text h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.scholar-text p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .scholar-text p {
    color: var(--light-text-secondary);
}

/* Publications Page Responsive */
@media (max-width: 1024px) {
    .pub-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .scholar-cta {
        flex-direction: column;
        text-align: center;
    }
    
    .scholar-cta-content {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .pub-card {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    .pub-filters {
        gap: var(--space-2);
    }
    
    .filter-btn {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }
    
    .pub-actions {
        flex-wrap: wrap;
    }
}

/* ============================================
   TOOLS PAGE
   ============================================ */

/* Tools Stats */
.tools-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.tool-stat-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .tool-stat-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.tool-stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-green-500);
}

.tool-stat-icon {
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.tool-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-green-500);
}

.tool-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-top: var(--space-1);
}

body.light-mode .tool-stat-label {
    color: var(--light-text-secondary);
}

/* Tool Showcase Card (Large Featured) */
.tool-showcase-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
    margin-bottom: var(--space-8);
    transition: all var(--duration-300);
}

body.light-mode .tool-showcase-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.tool-showcase-card:hover {
    border-color: var(--accent-green-500);
    box-shadow: var(--shadow-xl), 0 0 30px var(--accent-green-glow);
}

.tool-showcase-card:last-child {
    margin-bottom: 0;
}

.tool-showcase-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gradient-card);
}

.tool-image-placeholder {
    width: 100%;
    height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
    background: var(--gradient-card);
}

.tool-showcase-content {
    display: flex;
    flex-direction: column;
}

.tool-showcase-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.tool-badges {
    display: flex;
    gap: var(--space-2);
}

.tool-version {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
    padding: var(--space-1) var(--space-2);
    background: var(--dark-bg-tertiary);
    border-radius: var(--radius-md);
}

body.light-mode .tool-version {
    background: var(--light-bg-tertiary);
    color: var(--light-text-tertiary);
}

.tool-showcase-content h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

.tool-tagline {
    font-size: var(--text-base);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-3);
}

.tool-description {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

body.light-mode .tool-description {
    color: var(--light-text-secondary);
}

/* Tool Features */
.tool-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tool-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .tool-feature {
    color: var(--light-text-secondary);
}

.tool-feature svg {
    width: 16px;
    height: 16px;
    color: var(--accent-green-500);
    flex-shrink: 0;
}

/* Tool Tech Stack */
.tool-tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.tech-tag {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--accent-purple-400);
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: var(--radius-full);
}

.tool-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: auto;
}

/* Tools Grid (Smaller Cards) */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.tool-card {
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
    display: flex;
    flex-direction: column;
}

body.light-mode .tool-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan-500);
}

.tool-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.tool-card-icon {
    font-size: 2.5rem;
}

.tool-card h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.tool-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

body.light-mode .tool-card p {
    color: var(--light-text-secondary);
}

.tool-card .tool-tech-stack {
    margin-bottom: var(--space-4);
}

.tool-card-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: auto;
}

/* Open Source Banner */
.opensource-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .opensource-banner {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.opensource-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.opensource-icon {
    font-size: 3rem;
}

.opensource-text h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.opensource-text p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    max-width: 500px;
}

body.light-mode .opensource-text p {
    color: var(--light-text-secondary);
}

/* Tools Page Responsive */
@media (max-width: 1024px) {
    .tools-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-showcase-card {
        grid-template-columns: 1fr;
    }
    
    .tool-image-placeholder {
        height: 200px;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .opensource-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .opensource-content {
        flex-direction: column;
    }
    
    .opensource-text p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .tool-features {
        grid-template-columns: 1fr;
    }
    
    .tool-actions {
        flex-direction: column;
    }
    
    .tool-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   CONTACT PAGE
   ============================================ */

/* Contact Grid */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-12);
    align-items: start;
}

/* Contact Info Column */
.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Contact Card */
.contact-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-5);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .contact-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.contact-card:hover {
    border-color: var(--accent-cyan-500);
    transform: translateX(4px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent-cyan-500);
}

.contact-card-content h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.contact-card-content p {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
    margin-bottom: var(--space-2);
}

body.light-mode .contact-card-content p {
    color: var(--light-text-tertiary);
}

.contact-link {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    font-weight: 500;
    transition: color var(--duration-200);
}

.contact-link:hover {
    color: var(--accent-cyan-300);
}

.contact-link-label {
    display: block;
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
    margin-bottom: var(--space-2);
}

body.light-mode .contact-link-label {
    color: var(--light-text-tertiary);
}

.contact-address {
    font-size: var(--text-sm);
    font-style: normal;
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
}

body.light-mode .contact-address {
    color: var(--light-text-secondary);
}

.contact-hours {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .contact-hours {
    color: var(--light-text-secondary);
}

/* Contact Social */
.contact-social {
    padding: var(--space-5);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
}

body.light-mode .contact-social {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.contact-social h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-4);
}

.social-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.social-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3);
    background: var(--dark-bg-tertiary);
    border-radius: var(--radius-lg);
    transition: all var(--duration-200);
}

body.light-mode .social-card {
    background: var(--light-bg-tertiary);
}

.social-card:hover {
    background: var(--accent-cyan-500);
    color: var(--primary-900);
    transform: translateY(-2px);
}

.social-card svg {
    width: 20px;
    height: 20px;
}

.social-card span {
    font-size: var(--text-xs);
    font-weight: 500;
}

/* Contact Form Column */
.contact-form-wrapper {
    padding: var(--space-8);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .contact-form-wrapper {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.contact-form-header {
    margin-bottom: var(--space-6);
}

.contact-form-header h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.contact-form-header p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .contact-form-header p {
    color: var(--light-text-secondary);
}

/* Form Styles */
.contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--dark-text-primary);
}

body.light-mode .form-group label {
    color: var(--light-text-primary);
}

.required {
    color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    background: var(--dark-bg-tertiary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-lg);
    color: var(--dark-text-primary);
    font-size: var(--text-sm);
    transition: all var(--duration-200);
}

body.light-mode .form-group input,
body.light-mode .form-group select,
body.light-mode .form-group textarea {
    background: var(--light-bg-tertiary);
    border-color: var(--light-border);
    color: var(--light-text-primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--dark-text-tertiary);
}

body.light-mode .form-group input::placeholder,
body.light-mode .form-group textarea::placeholder {
    color: var(--light-text-tertiary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-cyan-500);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

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

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px;
    padding-right: var(--space-10);
}

.form-actions {
    grid-column: 1 / -1;
    margin-top: var(--space-2);
}

.form-actions .btn {
    width: 100%;
    justify-content: center;
}

.form-note {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--dark-border);
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .form-note {
    border-color: var(--light-border);
    color: var(--light-text-tertiary);
}

.form-note svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* FAQ Grid */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.faq-card {
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .faq-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.faq-card:hover {
    border-color: var(--accent-cyan-500);
}

.faq-icon {
    font-size: 2rem;
    margin-bottom: var(--space-3);
}

.faq-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

.faq-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
}

body.light-mode .faq-card p {
    color: var(--light-text-secondary);
}

/* Map Container */
.map-container {
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 1px solid var(--dark-border);
}

body.light-mode .map-container {
    border-color: var(--light-border);
}

.map-placeholder {
    height: 300px;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-placeholder-content {
    text-align: center;
}

.map-placeholder-content svg {
    width: 48px;
    height: 48px;
    color: var(--accent-cyan-500);
    margin-bottom: var(--space-3);
}

.map-placeholder-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.map-placeholder-content p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-4);
}

body.light-mode .map-placeholder-content p {
    color: var(--light-text-secondary);
}

/* Contact Page Responsive */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .contact-info-column {
        order: 2;
    }
    
    .contact-form-column {
        order: 1;
    }
}

@media (max-width: 768px) {
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .social-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   TEACHING PAGE
   ============================================ */

/* Philosophy Card */
.philosophy-card {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .philosophy-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.philosophy-icon {
    font-size: 4rem;
    flex-shrink: 0;
}

.philosophy-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.philosophy-content p {
    font-size: var(--text-base);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
}

body.light-mode .philosophy-content p {
    color: var(--light-text-secondary);
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.course-card {
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
    display: flex;
    flex-direction: column;
}

body.light-mode .course-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.course-card:hover {
    border-color: var(--accent-purple-500);
    transform: translateY(-4px);
}

.course-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.course-code {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--accent-purple-400);
    padding: var(--space-1) var(--space-2);
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-md);
}

.course-title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.course-description {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
    flex-grow: 1;
}

body.light-mode .course-description {
    color: var(--light-text-secondary);
}

.course-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.course-detail {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
}

body.light-mode .course-detail {
    color: var(--light-text-tertiary);
}

.course-detail svg {
    width: 14px;
    height: 14px;
}

.course-topics {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.topic-tag {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--accent-cyan-400);
    background: rgba(0, 212, 255, 0.1);
    border-radius: var(--radius-full);
}

.course-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: auto;
}

/* Resources Grid */
.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.resource-card {
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .resource-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.resource-card:hover {
    border-color: var(--accent-cyan-500);
    transform: translateY(-4px);
}

.resource-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
}

.resource-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

.resource-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-4);
}

body.light-mode .resource-card p {
    color: var(--light-text-secondary);
}

.resource-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--accent-cyan-500);
    transition: gap var(--duration-200);
}

.resource-link:hover {
    gap: var(--space-3);
}

.resource-link svg {
    width: 16px;
    height: 16px;
}

/* Workshops List */
.workshops-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.workshop-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .workshop-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.workshop-card:hover {
    border-color: var(--accent-purple-500);
}

.workshop-card.workshop-past {
    opacity: 0.7;
}

.workshop-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    padding: var(--space-4);
    background: var(--gradient-accent);
    border-radius: var(--radius-lg);
    text-align: center;
}

.workshop-month {
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary-900);
}

.workshop-day {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--primary-900);
    line-height: 1;
}

.workshop-year {
    font-size: var(--text-xs);
    color: var(--primary-800);
}

.workshop-content {
    flex: 1;
}

.workshop-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-2);
}

.workshop-type {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .workshop-type {
    color: var(--light-text-tertiary);
}

.workshop-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.workshop-content p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-3);
}

body.light-mode .workshop-content p {
    color: var(--light-text-secondary);
}

.workshop-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.workshop-details span {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .workshop-details span {
    color: var(--light-text-tertiary);
}

.workshop-details svg {
    width: 14px;
    height: 14px;
}

/* Mentorship Banner */
.mentorship-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .mentorship-banner {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.mentorship-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.mentorship-icon {
    font-size: 3rem;
}

.mentorship-text h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-1);
}

.mentorship-text p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    max-width: 500px;
}

body.light-mode .mentorship-text p {
    color: var(--light-text-secondary);
}

/* Teaching Page Responsive */
@media (max-width: 1024px) {
    .philosophy-card {
        flex-direction: column;
        text-align: center;
    }
    
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .resources-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .mentorship-banner {
        flex-direction: column;
        text-align: center;
    }
    
    .mentorship-content {
        flex-direction: column;
    }
    
    .mentorship-text p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .courses-grid,
    .resources-grid {
        grid-template-columns: 1fr;
    }
    
    .workshop-card {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .workshop-date {
        flex-direction: row;
        gap: var(--space-2);
        min-width: auto;
        width: fit-content;
    }
    
    .workshop-day {
        font-size: var(--text-xl);
    }
}

/* ============================================
   TEAM / LAB PAGE
   ============================================ */

/* Lab Overview */
.lab-overview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .lab-overview {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.lab-overview-content h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.lab-overview-content p {
    font-size: var(--text-base);
    color: var(--dark-text-secondary);
    max-width: 600px;
}

body.light-mode .lab-overview-content p {
    color: var(--light-text-secondary);
}

.lab-stats {
    display: flex;
    gap: var(--space-8);
}

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

.lab-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--accent-cyan-500);
    display: block;
}

.lab-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .lab-stat-label {
    color: var(--light-text-tertiary);
}

/* PI Card (Principal Investigator) */
.pi-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-2xl);
}

body.light-mode .pi-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.pi-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.pi-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 6rem;
}

.pi-content h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-1);
}

.pi-title {
    font-size: var(--text-base);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-2);
}

.pi-affiliation {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-4);
}

body.light-mode .pi-affiliation {
    color: var(--light-text-secondary);
}

.pi-affiliation svg {
    width: 16px;
    height: 16px;
}

.pi-bio {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

body.light-mode .pi-bio {
    color: var(--light-text-secondary);
}

.pi-interests {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.interest-tag {
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--accent-cyan-400);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: var(--radius-full);
}

.pi-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.team-card {
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-300);
}

body.light-mode .team-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.team-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-cyan-500);
}

.team-image {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
}

.team-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-image-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.team-content {
    padding: var(--space-4);
    text-align: center;
}

.team-content h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.team-role {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-1);
}

.team-research {
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
    margin-bottom: var(--space-3);
}

body.light-mode .team-research {
    color: var(--light-text-tertiary);
}

.team-links {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
}

.team-links a {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--dark-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-text-secondary);
    transition: all var(--duration-200);
}

body.light-mode .team-links a {
    background: var(--light-bg-tertiary);
    color: var(--light-text-secondary);
}

.team-links a:hover {
    background: var(--accent-cyan-500);
    color: var(--primary-900);
}

.team-links svg {
    width: 16px;
    height: 16px;
}

/* Collaborators Grid */
.collaborators-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.collaborator-card {
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--duration-300);
}

body.light-mode .collaborator-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.collaborator-card:hover {
    border-color: var(--accent-purple-500);
    transform: translateY(-4px);
}

.collaborator-logo {
    font-size: 3rem;
    margin-bottom: var(--space-3);
}

.collaborator-card h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.collaborator-card p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-2);
}

body.light-mode .collaborator-card p {
    color: var(--light-text-secondary);
}

.collaborator-location {
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
}

body.light-mode .collaborator-location {
    color: var(--light-text-tertiary);
}

/* Alumni Grid */
.alumni-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.alumni-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .alumni-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.alumni-card:hover {
    border-color: var(--accent-cyan-500);
}

.alumni-avatar {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.alumni-info h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.alumni-degree {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-1);
}

.alumni-current {
    font-size: var(--text-xs);
    color: var(--dark-text-tertiary);
}

body.light-mode .alumni-current {
    color: var(--light-text-tertiary);
}

/* Team Page Responsive */
@media (max-width: 1024px) {
    .lab-overview {
        flex-direction: column;
        text-align: center;
    }
    
    .lab-overview-content p {
        max-width: 100%;
    }
    
    .pi-card {
        grid-template-columns: 1fr;
    }
    
    .pi-image-placeholder {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .pi-content {
        text-align: center;
    }
    
    .pi-affiliation {
        justify-content: center;
    }
    
    .pi-interests,
    .pi-links {
        justify-content: center;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .collaborators-grid,
    .alumni-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .lab-stats {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .collaborators-grid,
    .alumni-grid {
        grid-template-columns: 1fr;
    }
    
    .alumni-card {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   GALLERY PAGE
   ============================================ */

/* Gallery Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

/* Gallery Grid - Masonry-like */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 250px;
    gap: var(--space-4);
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item-wide {
    grid-column: span 2;
}

.gallery-item-tall {
    grid-row: span 2;
}

.gallery-image {
    width: 100%;
    height: 100%;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-500);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: transform var(--duration-500);
}

.gallery-item:hover .gallery-placeholder {
    transform: scale(1.05);
}

.gallery-placeholder span {
    font-size: 3rem;
}

.gallery-placeholder p {
    font-size: var(--text-sm);
    color: var(--dark-text-tertiary);
}

body.light-mode .gallery-placeholder p {
    color: var(--light-text-tertiary);
}

/* Gallery Overlay */
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.95) 0%, transparent 60%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-4);
    opacity: 0;
    transition: opacity var(--duration-300);
}

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

.gallery-info h4 {
    font-size: var(--text-base);
    color: #fff;
    margin-bottom: var(--space-1);
}

.gallery-info p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-1);
}

.gallery-date {
    font-size: var(--text-xs);
    color: var(--accent-cyan-400);
}

.gallery-zoom {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: var(--radius-full);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-200);
    backdrop-filter: blur(4px);
}

.gallery-zoom:hover {
    background: var(--accent-cyan-500);
    color: var(--primary-900);
}

.gallery-zoom svg {
    width: 20px;
    height: 20px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-300);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-200);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-full);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-200);
}

.lightbox-prev {
    left: var(--space-6);
}

.lightbox-next {
    right: var(--space-6);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev svg,
.lightbox-next svg {
    width: 24px;
    height: 24px;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    text-align: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-lg);
}

.lightbox-caption {
    margin-top: var(--space-4);
    color: #fff;
}

.lightbox-caption h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.lightbox-caption p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* Gallery Page Responsive */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 200px;
    }
}

@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
    }
    
    .gallery-item-wide {
        grid-column: span 2;
    }
    
    .gallery-item-tall {
        grid-row: span 1;
    }
    
    .gallery-placeholder span {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 200px;
    }
    
    .gallery-item-wide {
        grid-column: span 1;
    }
}

/* ============================================
   CERTIFICATES PAGE
   ============================================ */

/* Certificate Stats */
.cert-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.cert-stat-card {
    text-align: center;
    padding: var(--space-6);
    background: var(--gradient-card);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .cert-stat-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.cert-stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-amber-500);
}

.cert-stat-icon {
    font-size: 2rem;
    margin-bottom: var(--space-2);
}

.cert-stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--accent-amber-500);
}

.cert-stat-label {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-top: var(--space-1);
}

body.light-mode .cert-stat-label {
    color: var(--light-text-secondary);
}

/* Awards Grid */
.awards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.award-card {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .award-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.award-card:hover {
    border-color: var(--accent-amber-500);
    transform: translateY(-4px);
}

.award-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.award-content {
    flex: 1;
}

.award-header {
    margin-bottom: var(--space-2);
}

.award-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.award-org {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-2);
}

.award-description {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .award-description {
    color: var(--light-text-secondary);
}

/* Certificates Grid */
.certificates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.certificate-card {
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--duration-300);
}

body.light-mode .certificate-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.certificate-card:hover {
    border-color: var(--accent-cyan-500);
    transform: translateY(-4px);
}

.certificate-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.certificate-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.certificate-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-card);
    display: flex;
    align-items: center;
    justify-content: center;
}

.certificate-placeholder svg {
    width: 48px;
    height: 48px;
    color: var(--accent-cyan-500);
}

.certificate-content {
    padding: var(--space-4);
}

.certificate-content h4 {
    font-size: var(--text-base);
    margin-bottom: var(--space-2);
}

.certificate-issuer,
.certificate-date {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
    margin-bottom: var(--space-1);
}

body.light-mode .certificate-issuer,
body.light-mode .certificate-date {
    color: var(--light-text-secondary);
}

.certificate-issuer svg,
.certificate-date svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.certificate-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
    margin: var(--space-3) 0;
}

.skill-tag {
    padding: var(--space-1) var(--space-2);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--accent-purple-400);
    background: rgba(139, 92, 246, 0.1);
    border-radius: var(--radius-full);
}

/* Scholarships List */
.scholarships-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.scholarship-card {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6);
    background: var(--dark-bg-secondary);
    border: 1px solid var(--dark-border);
    border-radius: var(--radius-xl);
    transition: all var(--duration-300);
}

body.light-mode .scholarship-card {
    background: var(--light-bg-card);
    border-color: var(--light-border);
}

.scholarship-card:hover {
    border-color: var(--accent-green-500);
}

.scholarship-year {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--accent-green-500);
    min-width: 100px;
    flex-shrink: 0;
}

.scholarship-content h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.scholarship-org {
    font-size: var(--text-sm);
    color: var(--accent-cyan-400);
    margin-bottom: var(--space-1);
}

.scholarship-amount {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--accent-green-400);
    margin-bottom: var(--space-2);
}

.scholarship-description {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .scholarship-description {
    color: var(--light-text-secondary);
}

/* Verification Banner */
.verification-banner {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-6);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
}

.verification-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.verification-content h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-1);
}

.verification-content p {
    font-size: var(--text-sm);
    color: var(--dark-text-secondary);
}

body.light-mode .verification-content p {
    color: var(--light-text-secondary);
}

/* Certificates Page Responsive */
@media (max-width: 1024px) {
    .cert-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .certificates-grid {
        grid-template-columns: 1fr;
    }
    
    .scholarship-card {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .scholarship-year {
        min-width: auto;
    }
    
    .award-card {
        flex-direction: column;
        text-align: center;
    }
    
    .verification-banner {
        flex-direction: column;
        text-align: center;
    }
}