/* Premium Professional Styling inspired by Harvard & Columbia */
:root {
    /* Sophisticated Color Palette */
    --primary-blue: #1e3a8a;
    --deep-blue: #1e40af;
    --navy: #0f172a;
    --crimson: #dc2626;
    --gold: #d97706;
    --warm-gray: #f8fafc;
    --cool-gray: #64748b;
    --charcoal: #334155;
    --white: #ffffff;
    --light-blue: #eff6ff;
    --border-light: #e2e8f0;
    
    /* Premium Typography */
    --font-serif: 'Crimson Text', 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    /* Spacing & Layout */
    --container-max: 1280px;
    --section-padding: 120px 0;
    --border-radius: 8px;
    --shadow-elegant: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-subtle: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

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

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

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--charcoal);
    background-color: var(--white);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container & Layout */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Premium Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: translateY(-1px);
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
}

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

.nav-link {
    text-decoration: none;
    color: var(--charcoal);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: color 0.3s ease;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--deep-blue) 100%);
    color: var(--white);
    padding: 160px 0 120px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.7);
    z-index: 1;
}

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

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
}

.btn-primary:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary-blue);
    border-color: var(--white);
    transform: translateY(-2px);
}

/* Section Styling */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1.5rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--cool-gray);
    line-height: 1.6;
    font-weight: 400;
}

/* Mission Section */
.mission {
    background: var(--warm-gray);
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mission-text h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.mission-text p {
    font-size: 1.125rem;
    color: var(--cool-gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

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

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-subtle);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-elegant);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--cool-gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-subtle);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--crimson));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-elegant);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue), var(--deep-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
    font-size: 2rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--cool-gray);
    line-height: 1.6;
    font-size: 1rem;
}

/* Activities Section */
.activities {
    background: var(--light-blue);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.activity-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: all 0.3s ease;
}

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

.activity-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    background-color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
}

.activity-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(30, 58, 138, 0.1), rgba(220, 38, 38, 0.1));
    z-index: 1;
}

.activity-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(30, 58, 138, 0.8), rgba(220, 38, 38, 0.8));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.activity-card:hover .activity-image::after {
    opacity: 1;
}

.activity-content {
    padding: 2rem;
}

.activity-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.75rem;
}

.activity-content p {
    color: var(--cool-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Call to Action */
.cta-section {
    background: linear-gradient(135deg, var(--navy) 0%, var(--primary-blue) 100%);
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.cta-section p {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: var(--navy);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-section h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
    transition: color 0.3s ease;
}

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

.footer-links {
    list-style: none;
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-blue);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
}

/* Page-specific Headers */
.page-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--deep-blue) 100%);
    color: var(--white);
    padding: 140px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    z-index: 1;
}

.page-header-content {
    position: relative;
    z-index: 2;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.content-section:nth-child(even) {
    background: var(--warm-gray);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.content-text h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.content-text h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 2rem 0 1rem;
}

.content-text p {
    font-size: 1.125rem;
    color: var(--cool-gray);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.content-text ul {
    list-style: none;
    margin: 1.5rem 0;
}

.content-text li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--cool-gray);
    font-size: 1.125rem;
}

.content-text li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

/* Team Cards */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: all 0.3s ease;
    text-align: center;
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-elegant);
}

.team-photo {
    height: 250px;
    background: linear-gradient(135deg, var(--primary-blue), var(--deep-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
    font-weight: 300;
}

.team-info {
    padding: 2rem;
}

.team-info h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.team-role {
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.team-bio {
    color: var(--cool-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 120px 0 80px;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .mission-content,
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .feature-card,
    .team-card {
        margin: 0 1rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .hamburger,
    .cta-section,
    .footer {
        display: none;
    }
    
    .hero {
        background: var(--white);
        color: var(--navy);
        padding: 2rem 0;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    * {
        box-shadow: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #000080;
        --deep-blue: #000066;
        --navy: #000000;
        --cool-gray: #333333;
        --charcoal: #000000;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles for accessibility */
*:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--white);
    outline-offset: 2px;
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Chapters Page Styles */
.region-section {
    margin-bottom: 4rem;
}

.region-title {
    font-size: 2rem;
    color: var(--navy-blue);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.region-title i {
    color: var(--accent-gold);
}

.chapters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.chapter-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.chapter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-gold), var(--navy-blue));
}

.chapter-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.chapter-flag {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.chapter-card h4 {
    font-size: 1.5rem;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.chapter-location {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.chapter-description {
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.chapter-stats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-gray);
}

.chapter-stats span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chapter-stats i {
    color: var(--accent-gold);
    width: 16px;
}

.more-chapters {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.05), rgba(218, 165, 32, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(218, 165, 32, 0.2);
}

.more-chapters h3 {
    font-size: 2rem;
    color: var(--navy-blue);
    margin-bottom: 1rem;
}

.more-chapters p {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.chapter-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.chapter-tag {
    background: white;
    padding: 0.8rem 1.2rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy-blue);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(218, 165, 32, 0.2);
}

.chapter-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    background: var(--accent-gold);
    color: white;
}

/* Active navigation link */
.nav-link.active {
    color: var(--accent-gold) !important;
    font-weight: 600;
}

/* Responsive adjustments for chapters page */
@media (max-width: 768px) {
    .region-title {
        font-size: 1.5rem;
    }
    
    .chapters-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .chapter-card {
        padding: 1.5rem;
    }
    
    .chapter-list {
        gap: 0.8rem;
    }
    
    .chapter-tag {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .more-chapters {
        padding: 2rem 1rem;
    }
}