/* Modern Black & Purple Design */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Teal & Navy Color Scheme */
    --bg-primary: #F5F7F9;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    --teal-primary: #1BA4A7;
    --teal-light: #2BC0C3;
    --teal-dark: #0D7078;
    --navy-primary: #1B4A5C;
    --navy-dark: #0D2A36;
    --teal-glow: rgba(27, 164, 167, 0.5);
    --white: #FFFFFF;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    /* Gradients */
    --gradient-purple: linear-gradient(135deg, #1BA4A7 0%, #0D7078 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, rgba(27, 164, 167, 0.3) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, rgba(27, 74, 92, 0.3) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, rgba(43, 192, 195, 0.2) 0px, transparent 50%);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(27, 164, 167, 0.2);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-initial {
    width: 36px;
    height: 36px;
    background: var(--gradient-purple);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 0.9rem;
}

.brand-logo {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: contain;
}

.brand-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-menu a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--teal-light);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-purple);
}

.nav-cta {
    padding: 0.5rem 1.25rem;
    background: var(--gradient-purple);
    border-radius: 6px;
    color: white !important;
}

.nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 8rem 0 4rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F0F9FA 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-logo {
    width: 300px;
    height: 300px;
    margin: 0 auto 1.5rem;
    display: block;
    border-radius: 12px;
    object-fit: contain;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(27, 164, 167, 0.1);
    border: 1px solid rgba(27, 164, 167, 0.2);
    border-radius: 100px;
    color: var(--teal-light);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--gray-900);
}

.gradient-text {
    background: var(--gradient-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.credentials {
    display: block;
    font-size: 2.5rem;
    color: var(--gray-600);
    font-weight: 600;
    margin-top: 0.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto 3rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-purple);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--teal-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--teal-light);
    border: 1px solid rgba(27, 164, 167, 0.3);
}

.btn-secondary:hover {
    background: rgba(27, 164, 167, 0.1);
    border-color: var(--teal-light);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.stat-card:hover {
    background: rgba(27, 164, 167, 0.05);
    border-color: rgba(27, 164, 167, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(27, 164, 167, 0.15);
}

.stat-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--teal-primary);
    fill: var(--teal-primary);
}

.stat-icon-img {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--teal-light);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-500);
    font-size: 0.875rem;
}

.scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--teal-light);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* Sections */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-dark {
    background: #F8FAFB;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: rgba(27, 164, 167, 0.1);
    border: 1px solid rgba(27, 164, 167, 0.2);
    border-radius: 100px;
    color: var(--teal-light);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.profile-section {
    text-align: center;
    margin: 2rem 0 3rem;
}

.profile-photo {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--teal-primary);
    box-shadow: 0 8px 24px rgba(27, 164, 167, 0.2);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.about-main {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.text-block p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.text-block .lead {
    font-size: 1.125rem;
    color: var(--gray-700);
}

.text-block strong {
    color: var(--teal-light);
    font-weight: 600;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-left: 3px solid var(--teal-primary);
    padding: 1.5rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.highlight-card:hover {
    background: rgba(27, 164, 167, 0.05);
    border-color: var(--teal-primary);
    box-shadow: 0 4px 16px rgba(27, 164, 167, 0.1);
}

.highlight-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.highlight-card p {
    color: var(--gray-600);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.text-muted {
    color: var(--gray-500) !important;
    font-size: 0.875rem;
}

.highlight-list {
    list-style: none;
    padding: 0;
}

.highlight-list li {
    padding: 0.375rem 0;
    color: var(--gray-700);
    font-size: 0.95rem;
    padding-left: 1.5rem;
    position: relative;
}

.highlight-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--teal-light);
}

/* Research Program Visual */
.research-visual {
    text-align: center;
    padding: 3rem 0;
    margin: 0 auto;
}

.research-diagram {
    max-width: 800px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(27, 164, 167, 0.15);
    background: rgba(255, 255, 255, 0.98);
    padding: 2rem;
}

.research-program-description {
    max-width: 900px;
    margin: 3rem auto 0;
    text-align: center;
}

.research-program-description p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-900);
    margin-bottom: 2rem;
}

.research-program-description strong {
    color: var(--teal-light);
}

.program-areas {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 2rem 0;
    text-align: left;
}

.program-column {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--teal-primary);
    padding: 2rem;
    border-radius: 12px;
}

.program-column h3 {
    color: var(--gray-900);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.program-column ul {
    list-style: none;
    padding: 0;
}

.program-column li {
    padding: 0.5rem 0;
    color: var(--gray-800);
    position: relative;
    padding-left: 1.5rem;
}

.program-column li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--teal-light);
}

.methodology-note {
    background: rgba(27, 164, 167, 0.05);
    border: 1px solid rgba(27, 164, 167, 0.2);
    padding: 1.5rem;
    border-radius: 12px;
    font-size: 1rem !important;
    margin-top: 2rem;
    color: var(--gray-900);
}

@media (max-width: 768px) {
    .research-diagram {
        max-width: 100%;
        padding: 1rem;
    }

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

/* Research Section */
.research-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.research-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    padding: 2.5rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.research-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(27, 164, 167, 0.1), transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.research-card:hover {
    background: white;
    border-color: rgba(27, 164, 167, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(27, 164, 167, 0.15);
}

.research-card:hover::before {
    opacity: 1;
}

.research-card.featured {
    grid-column: span 2;
    background: rgba(27, 164, 167, 0.05);
    border-color: rgba(27, 164, 167, 0.2);
}

.research-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.research-icon {
    width: 56px;
    height: 56px;
    color: var(--teal-primary);
    fill: var(--teal-primary);
}

.badge {
    padding: 0.375rem 0.875rem;
    background: var(--gradient-purple);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: white;
}

.research-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.research-card p {
    color: var(--gray-700);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.card-footer {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.tag {
    padding: 0.375rem 0.875rem;
    background: rgba(27, 164, 167, 0.08);
    border: 1px solid rgba(27, 164, 167, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--teal-dark);
}

/* Project Showcase */
.project-showcase {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.project-banner {
    background: var(--gradient-purple);
    padding: 3rem;
}

.project-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.banner-content h3 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.project-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0.95;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.meta-item.highlight {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    font-weight: 600;
}

.project-details {
    padding: 3rem;
    background: #F8FAFB;
}

.project-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 2rem;
}

.project-description strong {
    color: var(--teal-light);
}

.project-impact {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.impact-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    border-left: 3px solid var(--teal-primary);
}

.impact-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    color: var(--teal-primary);
    fill: var(--teal-primary);
}

.impact-item h4 {
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    font-size: 1.0625rem;
}

.impact-item p {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Publications */
.publications-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 900px;
    margin: 0 auto 3rem;
}

.publication-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--teal-primary);
    padding: 2.5rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
}

.publication-card:hover {
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--teal-light);
    transform: translateX(4px);
}

.pub-year {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.03);
}

.publication-card h4 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.5;
    padding-right: 4rem;
}

.publication-venue {
    color: var(--teal-light);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.publication-authors {
    color: var(--gray-600);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 1rem;
}

.publication-description {
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.pub-tag {
    padding: 0.375rem 0.875rem;
    background: rgba(27, 164, 167, 0.1);
    border: 1px solid rgba(27, 164, 167, 0.2);
    border-radius: 100px;
    font-size: 0.75rem;
    color: var(--teal-light);
}

.publications-cta {
    background: var(--gradient-purple);
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
}

.cta-content h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

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

.link-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    background: white;
    color: var(--teal-dark);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.link-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 12px;
    text-decoration: none;
    color: var(--gray-100);
    transition: all 0.3s ease;
    position: relative;
}

.contact-card:hover {
    background: rgba(27, 164, 167, 0.05);
    border-color: var(--teal-light);
    transform: translateY(-4px);
}

.contact-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    color: var(--teal-primary);
    fill: var(--teal-primary);
}

.icon-inline {
    width: 1.25em;
    height: 1.25em;
    vertical-align: -0.2em;
    margin-right: 0.5rem;
    color: var(--teal-primary);
    fill: var(--teal-primary);
    display: inline-block;
}

.contact-card h3 {
    font-size: 1.125rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-card p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.card-arrow {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    font-size: 1.25rem;
    color: var(--teal-light);
    opacity: 0;
    transition: all 0.3s ease;
}

.contact-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(4px);
}

.affiliation-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 12px;
}

.affiliation-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.affiliation-details p {
    color: var(--gray-400);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.affiliation-dept {
    color: var(--teal-light) !important;
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1B4A5C;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-brand .brand-initial {
    width: 44px;
    height: 44px;
    font-size: 1.125rem;
}

.footer-brand .brand-logo {
    width: 44px;
    height: 44px;
}

.footer-brand h3 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    color: white;
    margin-bottom: 0.25rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.footer-tagline {
    max-width: 400px;
    text-align: right;
}

.footer-tagline p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* VANAMI Section */
.vanami-section {
    background: linear-gradient(135deg, rgba(27, 164, 167, 0.05) 0%, rgba(27, 74, 92, 0.05) 100%);
}

.vanami-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 3rem;
    align-items: center;
    margin-top: 2rem;
    padding: 3rem;
    background: white;
    border-radius: 20px;
    border: 2px solid var(--teal-primary);
    box-shadow: 0 8px 32px rgba(27, 164, 167, 0.15);
}

.vanami-logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vanami-logo {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
}

.vanami-description p {
    color: var(--gray-700);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.vanami-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--gradient-purple);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(27, 164, 167, 0.2);
}

.vanami-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(27, 164, 167, 0.3);
}

.vanami-link .icon-inline {
    color: white;
    fill: white;
}

/* Academic Background - Credentials Grid */
.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.credential-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.credential-item:hover {
    border-color: var(--teal-light);
    box-shadow: 0 4px 16px rgba(27, 164, 167, 0.1);
    transform: translateY(-2px);
}

.credential-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    color: var(--teal-primary);
    fill: var(--teal-primary);
}

.credential-item p {
    margin: 0;
    color: var(--gray-800);
    font-size: 1rem;
    line-height: 1.6;
}

/* Photo Gallery - Modern Bento Grid */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 220px;
    gap: 1rem;
    margin-top: 2rem;
}

.photo-item {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    background: white;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

/* Bento Grid Layout - Featured sizes */
.photo-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.photo-item:nth-child(6) {
    grid-column: span 2;
    grid-row: span 2;
}

.photo-item:nth-child(11) {
    grid-column: span 2;
    grid-row: span 2;
}

.photo-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        rgba(27, 164, 167, 0.85) 0%,
        rgba(27, 74, 92, 0.85) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    z-index: 1;
    mix-blend-mode: multiply;
}

.photo-item:hover {
    transform: translateY(-8px) rotate(2deg);
    box-shadow: 0 20px 40px rgba(27, 164, 167, 0.25);
    z-index: 10;
}

.photo-item:hover::after {
    opacity: 0.3;
}

.photo-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.photo-item:hover img {
    transform: scale(1.15);
    filter: brightness(1.1);
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .research-card.featured {
        grid-column: span 1;
    }

    .project-impact {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .vanami-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 2rem;
    }

    .vanami-logo {
        max-width: 200px;
    }

    .photo-gallery {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 180px;
        gap: 0.75rem;
    }

    .photo-item:nth-child(1),
    .photo-item:nth-child(6),
    .photo-item:nth-child(11) {
        grid-column: span 2;
        grid-row: span 2;
    }

    .hero-title {
        font-size: 3rem;
    }

    .credentials {
        font-size: 1.75rem;
    }

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

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

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

    .research-grid,
    .contact-cards {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

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

    .brand-name {
        display: none;
    }

    .nav-menu {
        gap: 1.5rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .photo-gallery {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
        gap: 0.75rem;
    }

    .photo-item:nth-child(1),
    .photo-item:nth-child(6),
    .photo-item:nth-child(11) {
        grid-column: span 1;
        grid-row: span 1;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .container {
        padding: 0 1.25rem;
    }

    .about-main,
    .project-details,
    .project-banner {
        padding: 2rem;
    }

    .pub-year {
        position: static;
        margin-bottom: 1rem;
        font-size: 2rem;
    }
}