/* ===================================
   Scholarly Minimalism Design System
   Professional Academic Portfolio
   =================================== */
:root {
    --color-primary: #8B1538;
    --color-primary-dark: #6F0F2D;
    --color-primary-light: #A51D42;
    
    --color-secondary: #B8860B;
    --color-secondary-light: #D4A017;
    --color-secondary-dark: #9A7209;
    
    --color-accent: #6B8E5A;
    --color-accent-light: #7BA068;
    
    --color-terracotta: #C4705A;
    
    --color-bg: #FEFBF6;
    --color-bg-alt: #F5F3F0;
    --color-surface: #FFFFFF;
    --color-surface-hover: #FCFBF9;
    
    --color-text-primary: #2C2C2C;
    --color-text-secondary: #4A4A4A;
    --color-text-muted: #6B6B6B;
    --color-text-inverse: #FFFFFF;
    
    --color-border: #E8E6E3;
    --color-border-light: #F0EFED;
    
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.1);
    
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.35s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-primary);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

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

.section-divider {
    width: 80px;
    height: 2px;
    background-color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
}

.section-divider.centered {
    margin-left: auto;
    margin-right: auto;
}

.subsection-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(254, 251, 246, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 70px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

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

.nav-link.active {
    color: var(--color-primary);
    background-color: rgba(139, 21, 56, 0.05);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 60%;
}

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

.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-base);
    color: var(--color-text-secondary);
}

.lang-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.lang-option {
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.lang-option.active {
    opacity: 1;
    font-weight: 600;
    color: var(--color-primary);
}

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

.mobile-menu-toggle {
    display: none;
    color: var(--color-primary);
    padding: 0.5rem;
}

.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background-color: var(--color-secondary);
    width: 0%;
    transition: width var(--transition-fast);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-color: var(--color-bg);
    padding-top: 70px;
}

.hero-container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.title-line-1 {
    display: block;
    color: var(--color-primary);
}

.title-credentials {
    display: block;
    font-size: 1.5rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-top: var(--spacing-xs);
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.social-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.social-link i {
    width: 16px;
    height: 16px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--color-secondary);
    opacity: 0.6;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

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

.stat-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

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

.about-content {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.tag {
    padding: 0.4rem 0.8rem;
    background-color: rgba(139, 21, 56, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: var(--spacing-xl);
}

.timeline-marker {
    position: absolute;
    left: 21px;
    top: 4px;
    width: 18px;
    height: 18px;
    background-color: var(--color-surface);
    border: 3px solid var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--color-bg);
}

.timeline-content {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.timeline-content:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
}

.timeline-period {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.timeline-institution {
    color: var(--color-text-secondary);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.timeline-description {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.timeline-badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.publications-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: var(--color-text-muted);
    width: 18px;
    height: 18px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 3rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--color-surface);
    transition: all var(--transition-base);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 21, 56, 0.1);
}

.year-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 0.9rem;
}

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

.publications-list {
    display: grid;
    gap: var(--spacing-md);
}

.publication-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.publication-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.publication-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.publication-journal {
    color: var(--color-text-muted);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.publication-meta {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
    font-size: 0.85rem;
}

.publication-year {
    padding: 0.25rem 0.6rem;
    background-color: var(--color-bg-alt);
    color: var(--color-accent);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.publication-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-accent);
    font-weight: 500;
    transition: color var(--transition-base);
}

.publication-link:hover {
    color: var(--color-accent-light);
}

.publication-link i {
    width: 14px;
    height: 14px;
}

.reviewer-section {
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-3xl);
    border-top: 1px solid var(--color-border);
}

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

.reviewer-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.reviewer-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.reviewer-card h4 {
    color: var(--color-primary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.reviewer-period {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: var(--spacing-xl);
}

.book-card {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.book-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.book-cover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.book-placeholder {
    color: var(--color-text-inverse);
    font-size: 3rem;
    opacity: 0.9;
}

.book-info {
    padding: var(--spacing-lg);
}

.book-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.book-meta {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.book-meta p {
    margin-bottom: 0.25rem;
}

.book-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

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

.media-card {
    background-color: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-sm);
}

.media-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-md);
}

.media-title {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    font-weight: 600;
}

.media-publication {
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: var(--spacing-md);
}

.media-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-base);
}

.media-link:hover {
    color: var(--color-primary);
    gap: 0.75rem;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-info {
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-surface);
    border-radius: var(--radius-full);
    font-weight: 500;
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.contact-item:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.contact-socials {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.social-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-weight: 500;
    transition: all var(--transition-base);
}

.social-badge:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.social-badge i {
    width: 16px;
    height: 16px;
}

.batik-ornament {
    position: relative;
    width: 100%;
    height: 40px;
    margin: var(--spacing-xl) 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.batik-ornament::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 2px;
    background-color: var(--color-border);
    opacity: 0.5;
}

.batik-ornament::after {
    content: '◆';
    font-size: 1.25rem;
    color: var(--color-secondary);
    z-index: 1;
    background-color: var(--color-bg);
    padding: 0 var(--spacing-sm);
}

.footer {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-note {
    opacity: 0.7;
}

.heart {
    color: var(--color-terracotta);
    animation: heartbeat 1.5s infinite;
}

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

@media (max-width: 1023px) {
    .container {
        max-width: 960px;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .title-credentials {
        font-size: 1.25rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .about-stats {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .publications-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        width: 100%;
    }
    
    .media-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: rgba(254, 251, 246, 0.98);
        backdrop-filter: blur(8px);
        flex-direction: column;
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        border-top: 1px solid var(--color-border);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--spacing-sm);
        border-bottom: 1px solid var(--color-border-light);
        border-radius: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        color: var(--color-primary);
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .title-credentials {
        font-size: 1rem;
    }
    
    .hero-links {
        flex-direction: column;
        align-items: stretch;
    }
    
    .social-link {
        justify-content: center;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .about-stats {
        flex-direction: column;
    }
    
    .timeline::before {
        left: 15px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        left: 6px;
    }
    
    .media-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-socials {
        flex-direction: column;
        align-items: stretch;
    }
    
    .social-badge {
        justify-content: center;
    }
}

@media (max-width: 479px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .timeline-item {
        padding-left: 50px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .filter-btn {
        flex: 1 1 calc(33% - 0.5rem);
        min-width: 60px;
        font-size: 0.8rem;
        padding: 0.5rem 0.6rem;
    }
}