@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:wght@400;500;600;700&display=swap');

:root {
    --primary-900: #1e3a5f;
    --primary-800: #234b7a;
    --primary-700: #2a5d8c;
    --primary-600: #3b7cb8;
    --primary-500: #4a90d4;
    --primary-400: #6ba3de;
    --primary-300: #94bde8;
    --primary-200: #c0d6f2;
    --primary-100: #e8f1fa;
    --primary-50: #f4f8fd;

    --accent-600: #b8860b;
    --accent-500: #d4a017;
    --accent-400: #e6b832;
    --accent-300: #f0c850;

    --neutral-900: #0f172a;
    --neutral-800: #1e293b;
    --neutral-700: #334155;
    --neutral-600: #475569;
    --neutral-500: #64748b;
    --neutral-400: #94a3b8;
    --neutral-300: #cbd5e1;
    --neutral-200: #e2e8f0;
    --neutral-100: #f1f5f9;
    --neutral-50: #f8fafc;

    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 23, 42, 0.15);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    color: var(--neutral-800);
    background-color: var(--neutral-50);
    line-height: 1.7;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.25rem;
    }
}

.nav-bar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--neutral-200);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.nav-bar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.nav-brand:hover {
    opacity: 0.85;
}

.nav-brand-logo {
    height: 48px;
    width: 48px;
    object-fit: contain;
}

.nav-brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-800);
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
}

.nav-link {
    position: relative;
    color: var(--neutral-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-600), var(--accent-500));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-700);
}

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

.nav-link.active {
    color: var(--primary-700);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--neutral-700);
    cursor: pointer;
    padding: 0.5rem;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}

.mobile-nav {
    display: none;
    background: white;
    border-top: 1px solid var(--neutral-200);
    padding: 1rem 0;
}

.mobile-nav.active {
    display: block;
}

.mobile-nav-link {
    display: block;
    padding: 0.75rem 0;
    color: var(--neutral-600);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-700);
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 50%, var(--primary-700) 100%);
    position: relative;
    overflow: hidden;
    padding: 8rem 0 5rem;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: white;
    margin: 0 0 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 2.5rem;
    font-weight: 400;
    line-height: 1.6;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: white;
    color: var(--primary-800);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--neutral-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
}

.section {
    padding: 5rem 0;
}

.section-white {
    background: white;
}

.section-light {
    background: var(--neutral-50);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-500);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

.card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

.card-body {
    padding: 1.75rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.75rem;
}

.card-text {
    color: var(--neutral-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0;
}

.member-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition-base);
}

.member-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.member-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    margin: 0 auto 1.25rem;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid white;
    box-shadow: var(--shadow-md);
}

.member-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
}

.member-avatar i {
    font-size: 3rem;
    color: var(--primary-500);
}

.member-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.5rem;
}

.member-role {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
    margin: 0 0 0.5rem;
}

.member-institution {
    font-size: 0.875rem;
    color: var(--neutral-500);
    margin: 0;
}

.member-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.member-link {
    color: var(--neutral-400);
    transition: color var(--transition-fast);
}

.member-link:hover {
    color: var(--primary-600);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .stat-grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: none;
    }
}

.stat-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
}

.stat-card:hover {
    border-color: var(--primary-300);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--primary-700);
    margin: 0;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-500);
    margin: 0.5rem 0 0;
    font-weight: 500;
}

.publication-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
}

.publication-item:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md);
}

.publication-type {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.publication-type.research {
    background: var(--primary-100);
    color: var(--primary-700);
}

.publication-type.review {
    background: var(--accent-300);
    color: var(--neutral-800);
}

.publication-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.75rem;
    line-height: 1.5;
}

.publication-authors {
    color: var(--neutral-600);
    font-size: 0.9375rem;
    margin: 0 0 0.5rem;
}

.publication-journal {
    color: var(--neutral-500);
    font-size: 0.875rem;
    font-style: italic;
    margin: 0 0 1rem;
}

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

.publication-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--primary-600);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.publication-link:hover {
    color: var(--primary-800);
}

.project-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--neutral-200);
    overflow: hidden;
    transition: all var(--transition-base);
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.project-card-header {
    padding: 1.5rem 1.75rem;
    border-bottom: 1px solid var(--neutral-100);
}

.project-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.project-icon i {
    font-size: 1.5rem;
    color: var(--primary-600);
}

.project-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.375rem;
}

.project-type {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-600);
    margin: 0;
}

.project-card-body {
    padding: 1.5rem 1.75rem;
}

.project-description {
    color: var(--neutral-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0 0 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag {
    background: var(--primary-50);
    color: var(--primary-700);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--primary-600);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.project-link:hover {
    color: var(--primary-800);
}

.footer {
    background: var(--neutral-900);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.footer-brand-logo {
    height: 56px;
    width: 56px;
    object-fit: contain;
}

.footer-brand-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.footer-description {
    color: var(--neutral-400);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0 0 1.5rem;
}

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

.footer-social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--neutral-800);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--neutral-400);
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--primary-600);
    color: white;
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin: 0 0 1.25rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--neutral-400);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--neutral-800);
    padding-top: 2rem;
    text-align: center;
}

.footer-copyright {
    color: var(--neutral-500);
    font-size: 0.875rem;
    margin: 0;
}

.highlight-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-600), var(--accent-500));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.highlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-200);
}

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

.highlight-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.highlight-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.75rem;
    line-height: 1.4;
}

.highlight-text {
    color: var(--neutral-600);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin: 0 0 1.25rem;
}

.highlight-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--primary-600);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.highlight-link:hover {
    color: var(--primary-800);
}

.year-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    padding: 1rem 0;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--neutral-200);
    transition: border-color var(--transition-fast);
}

.year-header:hover {
    border-color: var(--primary-300);
}

.year-badge {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1rem;
}

.year-count {
    color: var(--neutral-500);
    font-size: 0.9375rem;
}

.category-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.5rem 0;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid var(--neutral-200);
    background: white;
    color: var(--neutral-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--primary-300);
    color: var(--primary-700);
}

.filter-btn.active {
    background: var(--primary-700);
    border-color: var(--primary-700);
    color: white;
}

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

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header {
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 50%, var(--primary-700) 100%);
    padding: 8rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: white;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    font-weight: 400;
}

@media (max-width: 768px) {
    .hero-section {
        padding: 6rem 0 3.5rem;
    }
    
    .page-header {
        padding: 6rem 0 3.5rem;
    }
    
    .section {
        padding: 3.5rem 0;
    }
    
    .member-card {
        padding: 1.5rem;
    }
    
    .member-avatar {
        width: 100px;
        height: 100px;
    }
    
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .section-header {
        margin-bottom: 2.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .highlight-card {
        padding: 1.5rem;
    }
    
    .publication-item {
        padding: 1.25rem;
    }
    
    .publication-title {
        font-size: 1rem;
    }
    
    .project-card-header {
        padding: 1.25rem;
    }
    
    .project-card-body {
        padding: 1.25rem;
    }
    
    .year-header {
        flex-wrap: wrap;
        gap: 0.75rem;
    }
    
    .year-badge {
        font-size: 0.875rem;
        padding: 0.375rem 1rem;
    }
    
    .year-count {
        font-size: 0.8125rem;
    }
    
    .category-filter {
        padding: 1rem 0;
        gap: 0.5rem;
    }
    
    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }
    
    .footer-grid {
        gap: 2rem;
    }
    
    .footer-brand {
        justify-content: center;
    }
    
    .footer-description {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-title {
        text-align: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .footer-bottom {
        padding-top: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-brand-logo {
        height: 40px;
        width: 40px;
    }
    
    .nav-brand-text {
        font-size: 1.125rem;
    }
    
    .hero-section {
        padding: 5rem 0 2.5rem;
    }
    
    .page-header {
        padding: 5rem 0 2.5rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .page-subtitle {
        font-size: 0.9375rem;
    }
    
    .section {
        padding: 2.5rem 0;
    }
    
    .section-title {
        font-size: 1.25rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .member-avatar {
        width: 80px;
        height: 80px;
    }
    
    .member-avatar i {
        font-size: 2.25rem;
    }
    
    .member-name {
        font-size: 1rem;
    }
    
    .member-role {
        font-size: 0.8125rem;
    }
    
    .member-institution {
        font-size: 0.8125rem;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        gap: 1rem;
    }
    
    .footer-brand-logo {
        height: 48px;
        width: 48px;
    }
    
    .footer-brand-text {
        font-size: 1.125rem;
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.home-mission-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .home-mission-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.home-mission-content {
    order: 1;
}

.home-stats-wrapper {
    order: 2;
}

.home-mission-content .section-title {
    text-align: left;
}

.home-mission-text {
    color: var(--neutral-600);
    margin-bottom: 1.25rem;
    line-height: 1.8;
}

.home-mission-text:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .home-mission-content .section-title {
        text-align: center;
    }
    
    .home-mission-text {
        text-align: center;
    }
    
    .home-mission-grid {
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .home-mission-grid {
        gap: 1.5rem;
    }
    
    .home-mission-text {
        font-size: 0.9375rem;
        margin-bottom: 1rem;
    }
}

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

@media (min-width: 768px) {
    .page-content-grid {
        grid-template-columns: 2fr 1fr;
    }
}

@media (max-width: 768px) {
    .page-content-grid {
        gap: 2rem;
    }
}

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

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .contact-grid {
        gap: 2rem;
    }
}

.responsive-flex {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .responsive-flex {
        flex-direction: row;
        align-items: flex-start;
    }
}

.mobile-hidden {
    display: none;
}

@media (min-width: 768px) {
    .mobile-hidden {
        display: block;
    }
}

.mobile-visible {
    display: block;
}

@media (min-width: 768px) {
    .mobile-visible {
        display: none;
    }
}

.about-vision-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: start;
}

@media (min-width: 768px) {
    .about-vision-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

.about-vision-content .section-title {
    text-align: left;
}

.about-vision-text {
    color: var(--neutral-600);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-vision-text:last-child {
    margin-bottom: 0;
}

.about-focus-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1.5rem;
}

.about-focus-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-focus-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.about-focus-item:last-child {
    margin-bottom: 0;
}

.about-focus-item i {
    color: var(--primary-600);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.about-focus-item span {
    color: var(--neutral-700);
}

@media (max-width: 768px) {
    .about-vision-content .section-title {
        text-align: center;
    }
    
    .about-vision-text {
        text-align: center;
    }
    
    .about-vision-grid {
        gap: 2rem;
    }
}

.leadership-card {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

@media (max-width: 768px) {
    .leadership-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

.leadership-card .member-avatar {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
}

@media (max-width: 768px) {
    .leadership-card .member-avatar {
        width: 100px;
        height: 100px;
    }
}

.value-card {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.value-card i {
    color: var(--primary-600);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.value-card span {
    color: var(--neutral-700);
}

.collaboration-card {
    text-align: center;
    padding: 2rem;
}

.collaboration-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.collaboration-icon i {
    font-size: 1.75rem;
    color: var(--primary-600);
}

.collaboration-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin: 0 0 0.5rem;
}

.collaboration-desc {
    color: var(--neutral-500);
    font-size: 0.875rem;
    margin: 0;
}

@media (max-width: 768px) {
    .collaboration-card {
        padding: 1.5rem;
    }
    
    .collaboration-icon {
        width: 56px;
        height: 56px;
    }
    
    .collaboration-icon i {
        font-size: 1.5rem;
    }
    
    .collaboration-title {
        font-size: 1rem;
    }
}

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

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
        gap: 4rem;
    }
}

.contact-main .section-title {
    text-align: left;
}

.contact-description {
    color: var(--neutral-600);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon i {
    color: var(--primary-600);
}

.contact-info-title {
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0 0 0.25rem;
}

.contact-info-value {
    color: var(--neutral-600);
    margin: 0;
}

.contact-info-value a {
    color: var(--primary-600);
    text-decoration: none;
}

.contact-info-value a:hover {
    text-decoration: underline;
}

.contact-social-section {
    margin-top: 3rem;
}

.contact-social-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1rem;
}

.contact-social-links {
    display: flex;
    gap: 0.75rem;
}

.contact-collaboration-card {
    padding: 2rem;
}

.contact-collaboration-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neutral-900);
    margin-bottom: 1.5rem;
}

.contact-collaboration-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-collaboration-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-collaboration-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-100), var(--primary-200));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-collaboration-icon i {
    color: var(--primary-600);
    font-size: 0.875rem;
}

.contact-collaboration-item-title {
    font-weight: 600;
    color: var(--neutral-900);
    margin: 0 0 0.25rem;
}

.contact-collaboration-item-desc {
    color: var(--neutral-600);
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .contact-main .section-title {
        text-align: center;
    }
    
    .contact-description {
        text-align: center;
    }
    
    .contact-info-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .contact-social-section {
        text-align: center;
    }
    
    .contact-social-links {
        justify-content: center;
    }
    
    .contact-collaboration-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .contact-description {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
    }
    
    .contact-info-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-info-icon i {
        font-size: 0.875rem;
    }
    
    .contact-social-title {
        font-size: 1rem;
    }
    
    .contact-collaboration-card {
        padding: 1.5rem;
    }
    
    .contact-collaboration-title {
        font-size: 1.125rem;
    }
}