:root {
    --primary-color: #1971c2;
    --primary-light: #4dabf7;
    --primary-dark: #1864ab;
    --bg-color: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-color: #212529;
    --text-secondary: #495057;
    --text-muted: #868e96;
    --border-color: #dee2e6;
    --card-bg: #ffffff;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --shadow: rgba(0, 0, 0, 0.08);
    --shadow-hover: rgba(0, 0, 0, 0.12);
    --gradient-1: linear-gradient(135deg, #1971c2 0%, #4dabf7 100%);
    --gradient-2: linear-gradient(135deg, #4dabf7 0%, #74c0fc 100%);
}

[data-theme="dark"] {
    --primary-color: #4dabf7;
    --primary-light: #74c0fc;
    --primary-dark: #339af0;
    --bg-color: #0a0a0a;
    --bg-secondary: #141414;
    --text-color: #e9ecef;
    --text-secondary: #ced4da;
    --text-muted: #adb5bd;
    --border-color: #2a2a2a;
    --card-bg: #141414;
    --nav-bg: rgba(10, 10, 10, 0.95);
    --shadow: rgba(0, 0, 0, 0.5);
    --shadow-hover: rgba(0, 0, 0, 0.7);
    --gradient-1: linear-gradient(135deg, #4dabf7 0%, #74c0fc 100%);
    --gradient-2: linear-gradient(135deg, #74c0fc 0%, #a5d8ff 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    text-decoration: none;
    color: var(--text-color);
}

.logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

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

.nav-link:hover::before,
.nav-link.active::before {
    width: 100%;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-toggle, .theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.lang-toggle:hover, .theme-toggle:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(25, 113, 194, 0.2);
}

.lang-option {
    transition: all 0.3s ease;
}

.lang-option.active {
    color: var(--primary-color);
    font-weight: 600;
}

.lang-separator {
    color: var(--text-muted);
}

.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.sun-icon, .moon-icon {
    position: absolute;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

[data-theme="dark"] .sun-icon {
    opacity: 0;
    transform: rotate(180deg) scale(0);
}

[data-theme="dark"] .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body:not([data-theme="dark"]) .sun-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

body:not([data-theme="dark"]) .moon-icon {
    opacity: 0;
    transform: rotate(-180deg) scale(0);
}

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-color);
    transition: all 0.3s ease;
}

/* Hero Section - Dynamic & Visual */
.hero {
    margin-top: 70px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

#heroCanvas {
    width: 100%;
    height: 100%;
}

.protein-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(25, 113, 194, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(77, 171, 247, 0.15) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.05); }
}

.hero-content {
    max-width: 900px;
    text-align: center;
    z-index: 2;
    padding: 2rem;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--primary-color);
    border-radius: 50px;
    text-transform: uppercase;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.title-main {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-tags {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

.tag {
    padding: 0.5rem 1.2rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.tag:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(25, 113, 194, 0.3);
}

.hero-cta {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    box-shadow: 0 10px 30px rgba(25, 113, 194, 0.3);
    animation: fadeInUp 1s ease-out 1s both;
    position: relative;
    overflow: hidden;
}

.hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.hero-cta:hover::before {
    left: 100%;
}

.hero-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 40px rgba(25, 113, 194, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: fadeInUp 1s ease-out 1.2s both;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, var(--primary-color), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

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

/* Section Labels */
.section-label {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-label.center {
    display: block;
    text-align: center;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

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

/* About Section with 3D Visual */
.about-section {
    padding: 8rem 0;
    background: var(--bg-color);
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-visual {
    position: relative;
    height: 500px;
}

.structure-preview {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.structure-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(25, 113, 194, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

.structure-model {
    position: relative;
    width: 250px;
    height: 250px;
    animation: rotate3d 20s linear infinite;
    transform-style: preserve-3d;
}

@keyframes rotate3d {
    0% { transform: rotateX(0deg) rotateY(0deg); }
    100% { transform: rotateX(360deg) rotateY(360deg); }
}

.helix {
    position: absolute;
    width: 30px;
    height: 150px;
    background: var(--gradient-1);
    border-radius: 15px;
    opacity: 0.7;
    box-shadow: 0 0 20px rgba(25, 113, 194, 0.5);
}

.helix-1 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(0deg) translateX(60px); }
.helix-2 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(51.4deg) translateX(60px); }
.helix-3 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(102.8deg) translateX(60px); }
.helix-4 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(154.2deg) translateX(60px); }
.helix-5 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(205.6deg) translateX(60px); }
.helix-6 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(257deg) translateX(60px); }
.helix-7 { left: 50%; top: 50%; transform: translate(-50%, -50%) rotateZ(308.4deg) translateX(60px); }

.about-content h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
}

.about-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

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

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-hover);
    border-color: var(--primary-color);
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Research Highlights - Enhanced Cards */
.research-highlights-section {
    padding: 8rem 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.research-highlights-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(25, 113, 194, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

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

@media (max-width: 1200px) {
    .research-highlights {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .research-highlights {
        grid-template-columns: 1fr;
    }
}

.highlight-card {
    background: var(--card-bg);
    padding: 3rem 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    position: relative;
    overflow: hidden;
}

.highlight-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.highlight-card:hover::before {
    transform: scaleX(1);
}

.highlight-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--shadow-hover);
    border-color: var(--primary-color);
}

.highlight-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-family: 'Outfit', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.1;
}

.highlight-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.highlight-card:hover .highlight-icon {
    animation: none;
    transform: scale(1.1) rotate(5deg);
}

.highlight-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.highlight-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.highlight-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.highlight-link:hover {
    gap: 0.5rem;
}

/* PI Section with Visual Enhancement */
.pi-section {
    padding: 8rem 0;
    background: var(--bg-color);
    position: relative;
    overflow: hidden;
}

.pi-background-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(30deg, var(--border-color) 12%, transparent 12.5%, transparent 87%, var(--border-color) 87.5%, var(--border-color)),
        linear-gradient(150deg, var(--border-color) 12%, transparent 12.5%, transparent 87%, var(--border-color) 87.5%, var(--border-color)),
        linear-gradient(30deg, var(--border-color) 12%, transparent 12.5%, transparent 87%, var(--border-color) 87.5%, var(--border-color)),
        linear-gradient(150deg, var(--border-color) 12%, transparent 12.5%, transparent 87%, var(--border-color) 87.5%, var(--border-color));
    background-size: 80px 140px;
    background-position: 0 0, 0 0, 40px 70px, 40px 70px;
    opacity: 0.03;
}

.pi-content {
    position: relative;
    z-index: 1;
    margin-top: 3rem;
}

.pi-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 4rem;
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 3rem;
    align-items: center;
    box-shadow: 0 10px 40px var(--shadow);
    transition: all 0.3s ease;
}

.pi-card:hover {
    box-shadow: 0 20px 60px var(--shadow-hover);
    transform: translateY(-5px);
}

.pi-image {
    position: relative;
}

.pi-placeholder {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--border-color);
    position: relative;
    z-index: 2;
}

.pi-glow {
    position: absolute;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(25, 113, 194, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: glowPulse 3s ease-in-out infinite;
    z-index: 1;
}

.pi-info h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 0.3rem;
    font-weight: 700;
}

.pi-name-jp {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.pi-title {
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pi-bio {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
    margin-bottom: 2rem;
}

.pi-contact-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--gradient-1);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(25, 113, 194, 0.3);
}

.pi-contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(25, 113, 194, 0.4);
}

/* News Section - Modern Cards */
.news-preview {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.section-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.view-all-btn {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.view-all-btn:hover {
    gap: 0.5rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.news-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.news-card:hover::before {
    opacity: 0.03;
}

.news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px var(--shadow-hover);
    border-color: var(--primary-color);
}

.news-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.news-card h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.4rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.news-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.news-read-more {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    transition: all 0.3s ease;
}

.news-card:hover .news-read-more {
    gap: 0.5rem;
}

/* Footer */
.footer {
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-lab h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.footer-lab p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.footer-copyright p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        flex-direction: column;
        background: var(--nav-bg);
        backdrop-filter: blur(20px);
        padding: 2rem;
        gap: 1.5rem;
        transition: left 0.3s ease;
        border-bottom: 1px solid var(--border-color);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

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

    .hamburger {
        display: flex;
    }

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

    .about-visual {
        height: 400px;
    }

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

    .pi-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 3rem 2rem;
    }

    .pi-placeholder {
        margin: 0 auto;
    }

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

    .section-header-flex {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-container {
        padding: 0 1.5rem;
    }

    .hero {
        min-height: 90vh;
    }

    .hero-content {
        padding: 1.5rem;
    }

    .hero-tags {
        gap: 0.5rem;
    }

    .tag {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }

    .about-section,
    .research-highlights-section,
    .pi-section,
    .news-preview {
        padding: 5rem 0;
    }

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

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

    .pi-placeholder {
        width: 200px;
        height: 200px;
    }
}
.stat-number sup {
    font-size: 0.5em;
    line-height: 0;
    vertical-align: super;
}