/* ===== MODERN PORTFOLIO DESIGN SYSTEM ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Clean academic palette */
    --primary: #1a5fa8;
    --primary-dark: #134a85;
    --primary-light: #2a7dd1;
    --accent: #3d6b5a;
    --accent-pink: #b85c55;
    --accent-blue: #5a7fa8;
    
    /* Text */
    --text-primary: #1f2933;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f7f9fb;
    --bg-card: #ffffff;
    --bg-elevated: #eef2f6;
    --bg-dark: #1f2933;
    --bg-gradient: linear-gradient(135deg, #e8f0f8 0%, #f0f4f8 100%);
    --bg-gradient-alt: linear-gradient(135deg, #f5f7fa 0%, #eef2f6 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 2px 8px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-xl: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-2xl: 0 12px 32px rgba(15, 23, 42, 0.12);
    --shadow-glow: none;
    
    /* Spacing - Tightened */
    --spacing-xs: 0.375rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
    --spacing-xl: 2.5rem;
    --spacing-2xl: 3.5rem;
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', var(--font-main);
    --content-width: 820px;
}

html {
    scroll-behavior: smooth;
}

a {
    color: inherit;
    text-decoration: none;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ===== NAVIGATION ===== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #e5e7eb;
    transition: var(--transition);
}

.main-nav.nav-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    line-height: 1;
}

.nav-logo {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    -webkit-text-fill-color: var(--text-primary);
    background: none;
}

.nav-link {
    color: var(--text-secondary);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    transition: var(--transition);
}

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

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    background: var(--primary);
}

.nav-resume-btn {
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.88rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    box-shadow: none;
}

.nav-resume-btn:hover {
    transform: none;
    background: var(--primary-dark);
    box-shadow: var(--shadow-sm);
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: calc(var(--spacing-xl) + 60px) var(--spacing-md) var(--spacing-lg);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.orb-wrapper {
    position: absolute;
    transition: transform 0.15s ease-out;
    will-change: transform;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: float 20s ease-in-out infinite;
    will-change: transform;
}

.orb-wrapper:first-child { top: -200px; left: -200px; width: 500px; height: 500px; }
.orb-wrapper:nth-child(2) { bottom: -150px; right: -150px; width: 400px; height: 400px; }
.orb-wrapper:nth-child(3) { top: 50%; right: 10%; width: 300px; height: 300px; margin-top: -150px; }

.orb-1 {
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    animation-delay: 0s;
}

.orb-2 {
    width: 100%;
    height: 100%;
    bottom: 0;
    right: 0;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation-delay: 5s;
}

.orb-3 {
    width: 100%;
    height: 100%;
    top: 0;
    right: 0;
    background: radial-gradient(circle, var(--accent-pink) 0%, transparent 70%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-lg);
    align-items: center;
    width: 100%;
}

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

.hero-image-wrapper {
    position: relative;
    width: 300px;
    height: 300px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--bg-elevated);
    box-shadow: var(--shadow-2xl), var(--shadow-glow);
    position: relative;
    z-index: 2;
    animation: heroImageFloat 6s ease-in-out infinite;
}

@keyframes heroImageFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.image-glow {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    opacity: 0.3;
    filter: blur(30px);
    z-index: 1;
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.hero-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.hero-role {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    animation: fadeInUp 0.5s ease-out both;
}

.hero-punch em {
    color: var(--primary);
    font-style: normal;
    font-weight: 600;
}

.hero-punch strong {
    color: var(--accent);
    font-weight: 700;
}

.pill-featured {
    background: linear-gradient(135deg, rgba(201, 169, 98, 0.2), rgba(125, 155, 138, 0.15));
    border-color: rgba(201, 169, 98, 0.45);
    color: var(--primary);
}

.venue-ticker {
    position: relative;
    z-index: 1;
    width: 100%;
    overflow: hidden;
    margin-top: var(--spacing-lg);
    padding: 0.75rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(201, 169, 98, 0.04);
    mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.venue-ticker-track {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: max-content;
    animation: tickerScroll 35s linear infinite;
    white-space: nowrap;
}

.venue-ticker-track span {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.ticker-dot {
    color: var(--primary);
    font-size: 0.5rem;
}

@keyframes tickerScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.inline-link {
    color: var(--primary);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.inline-link:hover {
    color: var(--primary-dark);
}

.edu-card-featured {
    border-color: rgba(201, 169, 98, 0.35);
    background: linear-gradient(135deg, var(--bg-card), rgba(201, 169, 98, 0.05));
}

.timeline-item-featured .timeline-card {
    border-color: rgba(125, 155, 138, 0.25);
}

.timeline-card strong {
    color: var(--primary);
}

.pub-card-featured {
    border-color: rgba(201, 169, 98, 0.35);
    background: linear-gradient(135deg, var(--bg-card), rgba(201, 169, 98, 0.05));
}

.pub-card-featured .pub-venue {
    background: rgba(201, 169, 98, 0.15);
    color: var(--primary);
}

.highlight-card-impact {
    position: relative;
}

.project-impact-badge {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    z-index: 10;
    padding: 0.35rem 0.75rem;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    box-shadow: var(--shadow-md);
}

.hero-credential-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    animation: fadeInUp 0.6s ease-out both;
}

.hero-credential-pills .pill {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(201, 169, 98, 0.15);
    border: 1px solid rgba(201, 169, 98, 0.35);
    border-radius: var(--radius-full);
    letter-spacing: 0.02em;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.hero-credential-pills .pill:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 24px rgba(201, 169, 98, 0.35);
    border-color: rgba(201, 169, 98, 0.6);
}

.hero-name {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 0;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.name-line {
    display: block;
    background: linear-gradient(110deg, var(--primary-light) 0%, var(--primary) 35%, var(--accent) 70%, var(--primary-light) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-punch {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 480px;
    font-weight: 500;
    line-height: 1.5;
    max-width: 480px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.45s both;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary i {
    position: relative;
    z-index: 1;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid rgba(201, 169, 98, 0.5);
    box-shadow: none;
    position: relative;
}

.btn-secondary:hover {
    background: rgba(201, 169, 98, 0.15);
    color: var(--primary);
    transform: translateY(-3px) scale(1.02);
}

.hero-social {
    display: flex;
    gap: var(--spacing-sm);
    animation: fadeInUp 0.6s ease-out 0.55s both;
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px) scale(1.1);
    box-shadow: var(--shadow-lg);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    animation: fadeInUp 0.8s ease-out 1.2s both;
}

.scroll-mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-muted);
    border-radius: 20px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 10px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* Sticky CTA bar */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 999;
    padding: 0.75rem var(--spacing-md);
    background: rgba(16, 18, 24, 0.95);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-cta-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.sticky-cta-text {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Back to top */
.back-to-top {
    position: fixed;
    bottom: 5.5rem;
    right: 1.5rem;
    z-index: 998;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

/* Homepage highlight cards */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.highlight-card .project-image-wrapper {
    height: 160px;
}

.highlight-card .project-content h3 {
    font-size: 1.1rem;
}

.highlight-card .project-content p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.ongoing-tag {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.75em;
}

.blog-cards-compact {
    max-width: 900px;
    margin: 0 auto;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== SECTIONS ===== */
.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background: #e8f1fa;
    border-radius: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.about-content.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.lead-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}


/* ===== RESEARCH SECTION ===== */
.research-section {
    background: var(--bg-primary);
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-md);
}

.research-card-large {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e5e7eb;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.research-card-large.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.research-card-large:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.15);
}

.research-icon {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-lg);
    background: rgba(201, 169, 98, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.75rem;
    color: var(--primary);
}

.research-card-large h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.research-card-large p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    padding: 0.4rem 0.9rem;
    background: #e8f1fa;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary);
}

/* ===== PROJECTS SECTION ===== */
.projects-section {
    background: var(--bg-secondary);
}

.project-category-wrapper {
    margin-bottom: var(--spacing-xl);
}

.category-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid rgba(255, 255, 255, 0.08);
}

.category-label i {
    color: var(--primary);
    font-size: 1.75rem;
}

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

.project-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    opacity: 1;
    transform: none;
    border: 1px solid #e5e7eb;
}

.project-card.animate-in {
    opacity: 1;
    transform: none;
}

.projects-grid .project-card:nth-child(1).animate-in { transition-delay: 0.05s; }
.projects-grid .project-card:nth-child(2).animate-in { transition-delay: 0.1s; }
.projects-grid .project-card:nth-child(3).animate-in { transition-delay: 0.15s; }
.projects-grid .project-card:nth-child(4).animate-in { transition-delay: 0.2s; }
.projects-grid .project-card:nth-child(5).animate-in { transition-delay: 0.25s; }
.projects-grid .project-card:nth-child(6).animate-in { transition-delay: 0.3s; }
.projects-grid .project-card:nth-child(7).animate-in { transition-delay: 0.35s; }
.projects-grid .project-card:nth-child(8).animate-in { transition-delay: 0.4s; }
.projects-grid .project-card:nth-child(9).animate-in { transition-delay: 0.45s; }

.project-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.12);
}

.project-card.featured {
    border: 2px solid transparent;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), linear-gradient(135deg, var(--primary), var(--accent));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.project-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-md);
}

.project-image-wrapper {
    position: relative;
    background: var(--bg-elevated);
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.project-card-has-media .project-image-wrapper {
    background: var(--bg-elevated);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.project-card:not(.project-card-has-media) .project-image-wrapper {
    background: var(--bg-gradient);
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 169, 98, 0.08);
    color: var(--primary);
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    transition: var(--transition);
}

.project-link-icon:hover {
    transform: scale(1.1) rotate(90deg);
}

.project-content {
    padding: var(--spacing-md);
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.project-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.project-footer {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.project-link {
    padding: 0.6rem 1.25rem;
    background: #e8f1fa;
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.project-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ===== SKILLS SECTION ===== */
.skills-section {
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e5e7eb;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
}

.skill-card.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.skills-grid .skill-card:nth-child(1).animate-in { transition-delay: 0.05s; }
.skills-grid .skill-card:nth-child(2).animate-in { transition-delay: 0.1s; }
.skills-grid .skill-card:nth-child(3).animate-in { transition-delay: 0.15s; }
.skills-grid .skill-card:nth-child(4).animate-in { transition-delay: 0.2s; }

.skill-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.12);
}

.skill-icon-wrapper {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-sm);
    border-radius: var(--radius-lg);
    background: rgba(201, 169, 98, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
}

.skill-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.skill-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.skill-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    justify-content: center;
}

.skill-tech span {
    padding: 0.4rem 0.9rem;
    background: #e8f1fa;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid #e5e7eb;
}

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

.footer-brand h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    background: none;
    -webkit-text-fill-color: var(--text-primary);
}

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

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

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    transform: none;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #eef2f6;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: none;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid #e5e7eb;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-bottom .fa-heart {
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.1); }
    50% { transform: scale(1); }
    75% { transform: scale(1.1); }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-image-wrapper {
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: rgba(16, 18, 24, 0.98);
        padding: var(--spacing-md);
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        box-shadow: var(--shadow-lg);
        gap: 0.25rem;
    }

    .nav-links.open {
        display: flex;
    }

    .nav-link {
        padding: 0.65rem 0;
    }
    
    .hero-credential-pills {
        justify-content: center;
    }
    
    .hero-name {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-punch {
        font-size: 1.1rem;
        text-align: center;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .research-grid,
    .projects-grid,
    .skills-grid,
    .education-grid,
    .blog-cards-grid {
        grid-template-columns: 1fr;
    }

    .recognition-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image-wrapper {
        width: 250px;
        height: 250px;
    }

    .pub-card {
        grid-template-columns: 1fr;
    }

    .pub-card-has-thumb {
        grid-template-columns: 120px 1fr;
    }

    .pub-card-has-thumb .pub-media {
        width: 120px;
    }

    .pub-card-has-thumb .pub-thumb {
        width: 120px;
        height: 120px;
    }

    .pub-icon {
        display: none;
    }

    .timeline::before {
        left: 17px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-dot {
        left: 4px;
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .back-to-top {
        bottom: 1.25rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .pub-card.pub-card-has-thumb {
        grid-template-columns: 1fr;
    }

    .pub-card-has-thumb .pub-media {
        width: 100%;
    }

    .pub-card-has-thumb .pub-thumb {
        width: 100%;
        height: 180px;
    }
    
    .hero {
        padding: var(--spacing-xl) var(--spacing-sm) var(--spacing-lg);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .sticky-cta-inner {
        flex-direction: column;
        gap: 0.5rem;
    }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .gradient-orb,
    .hero-image,
    .image-glow,
    .name-line,
    .hero-credential-pills .pill,
    .research-card-large,
    .project-card,
    .skill-card,
    .edu-card,
    .timeline-item,
    .pub-card,
    .blog-card-modern,
    .recognition-card,
    .stat-item,
    .back-to-top,
    .venue-ticker-track {
        animation: none !important;
        transition-duration: 0.01ms !important;
        opacity: 1 !important;
        transform: none !important;
    }
    .name-line {
        background-position: 0% center !important;
    }
}

/* ===== EDUCATION SECTION ===== */
.education-section {
    background: var(--bg-secondary);
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: var(--spacing-md);
}

.edu-card {
    background: var(--bg-card);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: var(--spacing-md);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.edu-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.edu-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(201, 169, 98, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--primary);
}

.edu-content .edu-school {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.edu-content .edu-degree {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.98rem;
    margin-top: 0.15rem;
}

.edu-content .edu-meta {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 0.35rem;
}

.edu-content .edu-detail {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-top: 0.5rem;
    line-height: 1.6;
}

/* ===== EXPERIENCE TIMELINE ===== */
.experience-section {
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: #d1d5db;
}

.timeline-item {
    position: relative;
    padding-left: 70px;
    margin-bottom: var(--spacing-lg);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.timeline-item.animate-in {
    opacity: 1;
    transform: translateY(0);
}

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

.timeline-dot {
    position: absolute;
    left: 14px;
    top: 4px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 0.85rem;
    box-shadow: 0 0 0 6px var(--bg-primary);
}

.timeline-card {
    background: var(--bg-card);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-card:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-lg);
}

.timeline-date {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--primary);
    background: #e8f1fa;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
}

.timeline-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.timeline-card .timeline-org {
    color: var(--text-muted);
    font-size: 0.92rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
}

.timeline-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.timeline-card ul li {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    padding-left: 1.1rem;
    position: relative;
}

.timeline-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

/* ===== PUBLICATIONS SECTION ===== */
.publications-section {
    background: var(--bg-secondary);
}

.pub-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.pub-card {
    background: var(--bg-card);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    opacity: 1;
    transform: none;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}

.pub-card.animate-in {
    opacity: 1;
    transform: none;
}

.pub-card:hover {
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.12);
    border-color: rgba(201, 169, 98, 0.3);
}

.pub-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.pub-venue {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--primary);
    background: #e8f1fa;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.6rem;
}

.pub-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 0.3rem;
}

.pub-authors {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
    font-style: italic;
}

.pub-card p.pub-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.75rem;
}

.pub-links {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.research-subheading {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-xl) 0 var(--spacing-md);
    text-align: center;
}

/* ===== RECOGNITION SECTION ===== */
.recognition-section {
    background: var(--bg-primary);
}

.recognition-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.recognition-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(36, 42, 54, 0.85) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    min-height: 100%;
    opacity: 1;
    transform: none;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.recognition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--recognition-accent, var(--primary));
    opacity: 0.85;
}

.recognition-card.animate-in {
    opacity: 1;
    transform: none;
}

.recognition-grid .recognition-card:nth-child(1).animate-in { transition-delay: 0.05s; }
.recognition-grid .recognition-card:nth-child(2).animate-in { transition-delay: 0.1s; }
.recognition-grid .recognition-card:nth-child(3).animate-in { transition-delay: 0.15s; }
.recognition-grid .recognition-card:nth-child(4).animate-in { transition-delay: 0.2s; }

.recognition-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl), 0 0 40px var(--recognition-glow, rgba(201, 169, 98, 0.12));
    border-color: var(--recognition-border-hover, rgba(201, 169, 98, 0.35));
}

.recognition-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    width: 100%;
}

.recognition-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--recognition-icon-bg, rgba(201, 169, 98, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--recognition-icon-color, var(--primary-light));
    font-size: 1.15rem;
    flex-shrink: 0;
}

.recognition-card-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.45px;
    color: var(--recognition-tag-color, var(--primary-light));
    background: var(--recognition-tag-bg, rgba(201, 169, 98, 0.15));
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
}

.recognition-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 0.5rem;
}

.recognition-card p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0 0 var(--spacing-sm);
    flex-grow: 1;
}

.recognition-card-year {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    background: var(--recognition-year-bg, rgba(201, 169, 98, 0.12));
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--recognition-year-color, var(--primary-light));
    margin-top: auto;
}

/* Service — sage */
.recognition-card-service {
    --recognition-accent: var(--accent);
    --recognition-glow: rgba(125, 155, 138, 0.15);
    --recognition-border-hover: rgba(125, 155, 138, 0.4);
    --recognition-icon-bg: rgba(125, 155, 138, 0.2);
    --recognition-icon-color: #b5cfc2;
    --recognition-tag-bg: rgba(125, 155, 138, 0.18);
    --recognition-tag-color: #b5cfc2;
    --recognition-year-bg: rgba(125, 155, 138, 0.14);
    --recognition-year-color: #b5cfc2;
    border-color: rgba(125, 155, 138, 0.22);
    background: linear-gradient(145deg, var(--bg-card), rgba(125, 155, 138, 0.06));
}

/* Scholarship — gold */
.recognition-card-scholarship {
    --recognition-accent: var(--primary);
    --recognition-glow: rgba(201, 169, 98, 0.15);
    --recognition-border-hover: rgba(201, 169, 98, 0.45);
    --recognition-icon-bg: rgba(201, 169, 98, 0.2);
    --recognition-icon-color: var(--primary-light);
    --recognition-tag-bg: rgba(201, 169, 98, 0.18);
    --recognition-tag-color: var(--primary-light);
    --recognition-year-bg: rgba(201, 169, 98, 0.14);
    --recognition-year-color: var(--primary-light);
    border-color: rgba(201, 169, 98, 0.28);
    background: linear-gradient(145deg, var(--bg-card), rgba(201, 169, 98, 0.06));
}

/* Fellowship — slate blue */
.recognition-card-fellowship {
    --recognition-accent: var(--accent-blue);
    --recognition-glow: rgba(139, 158, 183, 0.15);
    --recognition-border-hover: rgba(139, 158, 183, 0.45);
    --recognition-icon-bg: rgba(139, 158, 183, 0.2);
    --recognition-icon-color: #b8c5d6;
    --recognition-tag-bg: rgba(139, 158, 183, 0.18);
    --recognition-tag-color: #b8c5d6;
    --recognition-year-bg: rgba(139, 158, 183, 0.14);
    --recognition-year-color: #b8c5d6;
    border-color: rgba(139, 158, 183, 0.25);
    background: linear-gradient(145deg, var(--bg-card), rgba(139, 158, 183, 0.06));
}

/* Award — coral */
.recognition-card-award {
    --recognition-accent: var(--accent-pink);
    --recognition-glow: rgba(212, 114, 106, 0.15);
    --recognition-border-hover: rgba(212, 114, 106, 0.45);
    --recognition-icon-bg: rgba(212, 114, 106, 0.2);
    --recognition-icon-color: #e8a8a3;
    --recognition-tag-bg: rgba(212, 114, 106, 0.18);
    --recognition-tag-color: #e8a8a3;
    --recognition-year-bg: rgba(212, 114, 106, 0.14);
    --recognition-year-color: #e8a8a3;
    border-color: rgba(212, 114, 106, 0.25);
    background: linear-gradient(145deg, var(--bg-card), rgba(212, 114, 106, 0.06));
}

.pub-card.pub-card-has-thumb {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    align-items: start;
}

.pub-card-has-thumb .pub-media {
    width: 160px;
    flex-shrink: 0;
    background: transparent;
    border-bottom: none;
}

.pub-card-has-thumb .pub-thumb {
    display: block;
    width: 160px;
    height: 160px;
    object-fit: cover;
    object-position: center top;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-sm);
}

.pub-card-has-thumb .pub-body {
    padding: 0;
    min-width: 0;
}

.pub-thumb {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-sm);
}

.pub-body {
    min-width: 0;
}

.timeline-card .inline-link {
    color: var(--primary);
    font-weight: 600;
}

.timeline-card .inline-link:hover {
    text-decoration: underline;
}

/* ===== WORK PREVIEW (homepage) ===== */
.work-preview-section {
    background: var(--bg-secondary);
}

a.work-preview-card {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

a.work-preview-card:hover .blog-card-link i {
    transform: translateX(4px);
}

a.work-preview-card .blog-card-link i {
    transition: transform 0.25s ease;
}

.work-preview-section .blog-card-modern:nth-child(1).animate-in { transition-delay: 0.05s; }
.work-preview-section .blog-card-modern:nth-child(2).animate-in { transition-delay: 0.1s; }
.work-preview-section .blog-card-modern:nth-child(3).animate-in { transition-delay: 0.15s; }

/* ===== BLOG TEASER (homepage) & BLOG LIST ===== */
.blog-teaser-section {
    background: var(--bg-primary);
}

.blog-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.blog-card-modern {
    background: var(--bg-card);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(30px);
}

.blog-card-modern.animate-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.blog-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.12);
}

a.blog-card-modern:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(201, 169, 98, 0.12);
}

.blog-card-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: rgba(201, 169, 98, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.blog-card-modern h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.blog-card-modern p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
    flex-grow: 1;
}

.blog-card-modern .blog-card-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-card-modern .blog-card-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.section-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===== SUBPAGE HERO (work.html / blog.html) ===== */
.page-hero {
    padding: calc(var(--spacing-xl) + 70px) var(--spacing-md) var(--spacing-lg);
    text-align: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.page-hero .section-label {
    margin-bottom: var(--spacing-sm);
}

.page-hero h1 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.page-hero-compact {
    padding: calc(72px + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid #e5e7eb;
}

.page-hero-compact h1 {
    font-size: 2rem;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    margin-top: var(--spacing-md);
    transition: var(--transition);
}

.back-home-link:hover {
    transform: translateX(-4px);
}

.work-subnav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: var(--spacing-md);
}

.work-subnav-link {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.work-subnav-link:hover {
    color: var(--primary);
    border-color: rgba(201, 168, 108, 0.35);
    transform: translateY(-2px);
}

/* Legacy styles for other pages */
.wrapper {
    max-width: 1400px;
    margin: 2rem auto;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    margin-bottom: 0;
}

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

.blog-category {
    margin-bottom: 3rem;
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid #e5e7eb;
}

.blog-post {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(139, 92, 246, 0.03));
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.blog-post:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--primary-light);
    background: var(--bg-card);
}

.blog-post a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
    display: block;
    margin-bottom: 0.75rem;
}

.blog-post a:hover {
    color: var(--primary);
}

.blog-meta {
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ===== BLOG POST PAGES ===== */
.blog-post-page {
    padding: calc(var(--spacing-xl) + 80px) 0 var(--spacing-xl);
    background: var(--bg-primary);
    min-height: 70vh;
}

.blog-post-content {
    max-width: 820px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.blog-post-content .section-label {
    margin-bottom: var(--spacing-sm);
}

.blog-post-content h1 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    margin-bottom: var(--spacing-md);
}

.blog-post-content h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 2px solid rgba(201, 169, 98, 0.35);
    padding-bottom: 0.35rem;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.blog-post-content h3,
.blog-post-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: var(--spacing-md) 0 var(--spacing-xs);
}

.blog-post-content p {
    color: var(--text-secondary);
    font-size: 1.02rem;
    line-height: 1.75;
    margin: 1em 0;
}

.blog-post-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.blog-post-content a:hover {
    color: var(--accent);
}

.blog-post-content ul {
    list-style: disc;
    margin: 1em 0 1em 1.5em;
    color: var(--text-secondary);
}

.blog-post-content ul li {
    margin-bottom: 0.5rem;
    line-height: 1.65;
}

.blog-post-content ul li strong {
    color: var(--text-primary);
}

.blog-post-figure {
    margin: var(--spacing-md) 0;
    text-align: center;
}

.blog-post-figure img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid #e5e7eb;
}

.blog-post-figure.narrow img {
    max-width: 50%;
}

.blog-post-figure.medium img {
    max-width: 70%;
}

.blog-post-figure.small img {
    max-width: 40%;
}

.blog-post-caption {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-style: italic;
    margin-top: 0.5rem;
}

.blog-post-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    transition: var(--transition);
}

.blog-post-back:hover {
    transform: translateX(-4px);
}

@media (max-width: 768px) {
    .blog-post-content h1 {
        font-size: 1.65rem;
    }

    .blog-post-figure.narrow img,
    .blog-post-figure.medium img,
    .blog-post-figure.small img {
        max-width: 100%;
    }
}

/* ===== ACADEMIC HOMEPAGE LAYOUT ===== */
.academic-main {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md) var(--spacing-2xl);
}

.profile-hero {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
    background: var(--bg-secondary);
    border-bottom: 1px solid #e5e7eb;
}

.profile-grid {
    max-width: var(--content-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.profile-photo {
    width: 180px;
    height: 180px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #fff;
    box-shadow: var(--shadow-md);
}

.profile-info h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    line-height: 1.2;
}

.profile-title {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    line-height: 1.5;
}

.profile-location {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.profile-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    font-size: 0.92rem;
}

.profile-links a {
    color: var(--primary);
    font-weight: 500;
}

.profile-links a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.academic-section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid #e5e7eb;
}

.academic-section:last-child {
    border-bottom: none;
}

.academic-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e5e7eb;
}

.academic-section p {
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 1rem;
}

.academic-section p:last-child {
    margin-bottom: 0;
}

.news-timeline {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.news-entry {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.98rem;
}

.news-date {
    font-weight: 700;
    color: var(--text-primary);
    margin-right: 0.35rem;
}

.edu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.edu-list-item {
    padding-left: 1rem;
    border-left: 3px solid var(--primary);
}

.edu-list-item strong {
    display: block;
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.2rem;
}

.edu-list-item span {
    color: var(--text-muted);
    font-size: 0.92rem;
}

.edu-list-item p {
    margin-top: 0.35rem;
    margin-bottom: 0;
    font-size: 0.95rem;
}

.skills-inline {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .profile-grid {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .profile-links {
        justify-content: center;
    }
}