:root {
    /* Soft Orange/Coral Color Palette */
    --primary: #FF8B5A;
    --primary-light: #FFB08F;
    --primary-lighter: #FFD4BC;
    --primary-dark: #E66B3A;
    --accent: #FF6B35;
    --accent-light: #FF9F7F;
    
    /* Neutral Colors */
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --gray: #6B7280;
    --gray-light: #E5E7EB;
    --gray-lighter: #F9FAFB;
    --white: #FFFFFF;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF8B5A 0%, #FFB08F 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #FF9F7F 100%);
    --gradient-dark: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-display: 'Playfair Display', serif;
    --font-body: 'Karla', sans-serif;
    --font-accent: 'Lora', serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(255, 139, 90, 0.08);
    --shadow-md: 0 4px 16px rgba(255, 139, 90, 0.12);
    --shadow-lg: 0 8px 32px rgba(255, 139, 90, 0.16);
    --shadow-xl: 0 16px 48px rgba(255, 139, 90, 0.2);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(255, 139, 90, 0.05) 0%, 
        rgba(255, 176, 143, 0.08) 50%,
        rgba(255, 212, 188, 0.05) 100%);
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 139, 90, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

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

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

.hero-greeting {
    font-family: var(--font-accent);
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.hero-subtitle {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    line-height: 1.8;
}

.hero-description .highlight {
    color: var(--primary-dark);
    font-weight: 600;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.btn {
    padding: 0.875rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    border: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary-light);
    padding: 0.75rem 1.5rem;
}

.btn-outline:hover {
    background: var(--primary-lighter);
    border-color: var(--primary);
}

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

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gray-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
    color: var(--gray);
    transition: var(--transition-base);
}

.social-link:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.social-link:hover svg {
    color: var(--white);
}

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

.image-wrapper {
    position: relative;
    max-width: 450px;
}

.profile-image {
    width: 100%;
    border-radius: 30px;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.image-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 30px;
    background: var(--gradient-primary);
    opacity: 0.2;
    top: 20px;
    left: 20px;
    z-index: 1;
}

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

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--gradient-primary);
    animation: scrollDown 2s ease-in-out infinite;
}

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

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

.section-tag {
    font-family: var(--font-accent);
    font-size: 0.875rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Research Section */
.research-section {
    background: var(--gray-lighter);
}

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

.research-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

.research-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.research-card-highlight {
    background: linear-gradient(135deg, rgba(255, 139, 90, 0.05) 0%, rgba(255, 176, 143, 0.05) 100%);
    border: 2px solid var(--primary-light);
}

.research-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.research-icon svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}

.research-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.research-card p {
    color: var(--gray);
    line-height: 1.7;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

.research-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--gray);
    font-weight: 500;
}

/* Projects Section */
.projects-section {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.project-card {
    background: var(--gray-lighter);
    padding: var(--spacing-md);
    border-radius: 20px;
    transition: var(--transition-base);
    border: 2px solid transparent;
    position: relative;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.project-featured {
    background: linear-gradient(135deg, rgba(255, 139, 90, 0.05) 0%, rgba(255, 176, 143, 0.05) 100%);
    border: 2px solid var(--primary-light);
}

.project-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.project-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.project-icon svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
    line-height: 1.4;
}

.project-meta {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-sponsor,
.project-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--gray);
}

.project-sponsor svg,
.project-duration svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.project-sponsor {
    font-weight: 600;
    color: var(--dark);
}

.project-description {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.7;
}

.projects-note {
    padding: var(--spacing-md);
    background: var(--gray-lighter);
    border-radius: 15px;
    text-align: center;
}

.projects-note p {
    color: var(--gray);
    font-size: 1rem;
    line-height: 1.7;
}

.projects-note strong {
    color: var(--primary-dark);
}

/* Publications Section */
.publications-section {
    background: var(--white);
}

.publications-filter {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--gray-light);
    background: transparent;
    border-radius: 50px;
    font-weight: 600;
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-lighter);
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.publication-card {
    background: var(--gray-lighter);
    padding: var(--spacing-md);
    border-radius: 20px;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-md);
    transition: var(--transition-base);
    border: 2px solid transparent;
}

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

.publication-card.featured {
    background: linear-gradient(135deg, rgba(255, 139, 90, 0.08) 0%, rgba(255, 176, 143, 0.05) 100%);
    border: 2px solid var(--primary-light);
    position: relative;
}

.pub-featured-badge {
    position: absolute;
    top: -12px;
    right: var(--spacing-md);
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-md);
}

.pub-featured-badge svg {
    width: 16px;
    height: 16px;
}

.pub-year {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 60px;
}

.pub-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pub-title {
    font-size: 1.2rem;
    color: var(--dark);
    line-height: 1.4;
}

.pub-authors {
    font-size: 0.95rem;
    color: var(--gray);
}

.pub-authors strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.pub-venue {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.venue-name {
    font-family: var(--font-accent);
    font-style: italic;
    color: var(--dark);
    font-weight: 500;
}

.pub-details {
    color: var(--gray);
    font-size: 0.9rem;
}

.pub-badge {
    padding: 0.25rem 0.75rem;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pub-abstract {
    padding: var(--spacing-sm);
    background: rgba(255, 139, 90, 0.05);
    border-left: 3px solid var(--primary);
    border-radius: 5px;
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

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

.pub-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

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

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

.publication-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--gray-lighter);
    border-radius: 20px;
}

.publication-cta p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

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

/* Teaching Section */
.teaching-section {
    background: var(--gray-lighter);
}

.teaching-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.teaching-courses,
.teaching-supervision {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.teaching-courses h3,
.teaching-supervision h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

.course-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.course-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 15px;
    transition: var(--transition-base);
}

.course-item:hover {
    background: var(--gray-lighter);
}

.course-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.course-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.course-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.course-info p {
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

.supervision-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.supervision-item {
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--gray-lighter);
    border-radius: 15px;
}

.supervision-number {
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.supervision-label {
    font-size: 0.85rem;
    color: var(--gray);
    font-weight: 500;
}

.supervision-areas h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.supervision-areas ul {
    list-style: none;
    margin-bottom: var(--spacing-sm);
}

.supervision-areas li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
    line-height: 1.6;
}

.supervision-areas li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.supervision-note {
    padding: var(--spacing-sm);
    background: rgba(255, 139, 90, 0.05);
    border-left: 3px solid var(--primary);
    border-radius: 5px;
    font-size: 0.95rem;
    color: var(--gray);
    line-height: 1.6;
}

/* Services Section */
.services-section {
    background: var(--white);
}

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

.service-category {
    background: var(--gray-lighter);
    padding: var(--spacing-md);
    border-radius: 20px;
    transition: var(--transition-base);
}

.service-category:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.service-header h3 {
    font-size: 1.3rem;
    color: var(--dark);
}

.service-list {
    list-style: none;
}

.service-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-light);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list strong {
    display: block;
    color: var(--dark);
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.service-list span {
    color: var(--gray);
    font-size: 0.9rem;
}

.service-highlight {
    background: linear-gradient(135deg, rgba(255, 139, 90, 0.05) 0%, rgba(255, 176, 143, 0.05) 100%);
    border: 2px solid var(--primary-light);
}

/* Awards Section */
.awards-section {
    background: var(--gray-lighter);
}

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

.timeline-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 50px;
    top: 60px;
    bottom: -40px;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -20px;
    width: 15px;
    height: 15px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--white), 0 0 0 8px var(--primary-light);
}

.timeline-content {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.award-badge-large {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.award-badge-large svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}

.timeline-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.award-organization {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.award-description {
    color: var(--gray);
    line-height: 1.7;
}

/* Media Coverage */
.media-section {
    background: var(--white);
}

.media-coverage {
    padding: 0;
    background: transparent;
}

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

.media-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.media-icon svg {
    width: 35px;
    height: 35px;
    color: var(--white);
}

.media-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.media-header p {
    color: var(--gray);
    font-size: 1.1rem;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.media-card {
    background: var(--gray-lighter);
    padding: var(--spacing-md);
    border-radius: 15px;
    transition: var(--transition-base);
    border: 2px solid transparent;
    display: block;
}

.media-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.media-placeholder {
    opacity: 0.6;
    cursor: default;
}

.media-placeholder:hover {
    transform: none;
    box-shadow: none;
    border-color: transparent;
}

.media-source {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.media-source svg {
    width: 20px;
    height: 20px;
}

.media-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
    line-height: 1.4;
}

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

.media-link-text {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.media-card:hover .media-link-text {
    gap: 0.5rem;
}

/* Contact Section */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    background: var(--gray-lighter);
    padding: var(--spacing-md);
    border-radius: 20px;
    transition: var(--transition-base);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.contact-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.contact-card p {
    color: var(--gray);
    line-height: 1.7;
}

.contact-card a {
    color: var(--primary);
    font-weight: 600;
}

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

.contact-map {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 100%;
    min-height: 400px;
}

.map-placeholder {
    width: 100%;
    height: 100%;
}

.contact-cta {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--gray-lighter);
    border-radius: 20px;
}

.contact-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.contact-cta p {
    font-size: 1.1rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
    line-height: 1.8;
}

/* Footer */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-light);
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
}

.footer-section a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom p {
    margin: 0.5rem 0;
}

/* Animations */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero-image {
        order: -1;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .teaching-content {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .research-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .publication-card {
        grid-template-columns: 1fr;
    }
    
    .supervision-stats {
        grid-template-columns: 1fr;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-item {
        grid-template-columns: 80px 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
}