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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(147, 51, 234, 0.02) 0%, transparent 50%);
    background-attachment: fixed;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #2563eb;
}

/* Google Translate Widget */
.translate-widget {
    margin-left: 1rem;
}

.translate-widget .goog-te-gadget {
    font-family: inherit !important;
    font-size: 13px !important;
}

.translate-widget .goog-te-gadget-simple {
    background-color: #f8f9fa !important;
    border: 1px solid #e9ecef !important;
    border-radius: 4px !important;
    padding: 4px 8px !important;
    font-size: 13px !important;
    color: #333 !important;
    cursor: pointer !important;
}

.translate-widget .goog-te-gadget-simple:hover {
    background-color: #e9ecef !important;
    border-color: #2563eb !important;
}

.translate-widget .goog-te-gadget-simple .goog-te-menu-value span {
    color: #333 !important;
}

.translate-widget .goog-te-gadget-simple .goog-te-menu-value span:first-child {
    display: none !important;
}

/* Hide Google Translate banner */
.goog-te-banner-frame {
    display: none !important;
}

body {
    top: 0 !important;
}

/* Notification Setup Section */
.notification-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.notification-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.notification-card h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: white;
}

.notification-card p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.notification-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.notification-buttons .btn-primary {
    background: #2563eb;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notification-buttons .btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
}

.notification-buttons .btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notification-buttons .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.notification-status {
    font-size: 0.9rem;
    opacity: 0.8;
    min-height: 20px;
}

@media (max-width: 768px) {
    .notification-card {
        padding: 30px 20px;
    }
    
    .notification-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .notification-buttons button {
        width: 100%;
        max-width: 300px;
    }
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* Key Features Section */
.key-features {
    padding: 4rem 0;
    background: #f8f9fa;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #764ba2;
    color: white;
    border-color: #764ba2;
}

.btn-primary:hover {
    background: #667eea;
    border-color: #667eea;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #2563eb;
    transform: translateY(-2px);
}

/* App Mockup */
.app-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 280px;
    height: 560px;
    background: #1a1a1a;
    border-radius: 30px;
    padding: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.screen {
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 22px;
    overflow: hidden;
    position: relative;
}

.app-screen {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    color: #1d1d1f;
    overflow: hidden;
}

.app-header {
    background: #007AFF;
    color: #ffffff;
    padding: 16px 20px;
    text-align: center;
}

.app-header h1 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
    line-height: 1.2;
}

.app-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px;
    overflow-y: auto;
}

.app-section {
    background: #ffffff;
    border-radius: 12px;
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.section-header {
    padding: 16px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #1d1d1f;
    font-size: 16px;
}

.how-it-works-section .section-header {
    justify-content: center;
    text-align: center;
    background: #f0f8ff;
    border-bottom: 1px solid #007AFF;
}

.how-it-works-text {
    font-weight: 700;
    font-size: 18px;
    color: #007AFF;
}

.section-content {
    padding: 16px 20px;
    background: #ffffff;
}

.status-item,
.instruction-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 15px;
    color: #1d1d1f;
    line-height: 1.4;
}

.bullet {
    color: #007AFF;
    font-weight: bold;
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.demo-button-container {
    margin-top: auto;
    padding: 20px 0;
}

.demo-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    background: linear-gradient(135deg, #007AFF, #0056CC);
    color: #ffffff;
    text-decoration: none;
    border-radius: 16px;
    padding: 20px 24px;
    font-size: 18px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.4);
    position: relative;
    overflow: hidden;
}

.demo-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.demo-button:hover::before {
    left: 100%;
}

.demo-button:hover {
    background: linear-gradient(135deg, #0056CC, #004499);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 122, 255, 0.5);
}

.demo-icon {
    font-size: 24px;
}

.demo-text {
    font-size: 18px;
    font-weight: 700;
}

.demo-arrow {
    font-size: 20px;
    font-weight: bold;
    margin-left: 4px;
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #1f2937;
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #6b7280;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* How It Works Section */
.how-it-works {
    padding: 80px 0;
    background: #f8f9fa;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateY(-5px);
}

.step-number {
    width: 60px;
    height: 60px;
    background: #2563eb;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.step-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Science Section */
.science {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.science::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.02) 0%, transparent 50%);
    pointer-events: none;
}

.science-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    margin-top: 3rem;
}

.science-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
}

.science-text p {
    margin-bottom: 1.5rem;
    color: #4b5563;
    line-height: 1.7;
}

.science-highlights {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.highlight {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.highlight strong {
    color: #1f2937;
    font-weight: 600;
}

.highlight span {
    color: #6b7280;
    font-size: 0.9rem;
}

.references {
    padding: 40px 0;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.science-references {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.science-references h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.references-list {
    font-size: 0.85rem;
    line-height: 1.4;
}

.references-list p {
    margin-bottom: 0.5rem;
    color: #64748b;
}

.references-list sup {
    color: #3b82f6;
    font-weight: 600;
}

.references-list em {
    color: #475569;
    font-style: italic;
}

.references-list a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.references-list a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

.references-note {
    margin-top: 1rem;
    padding: 1rem;
    background: #fef3c7;
    border-radius: 6px;
    border-left: 3px solid #f59e0b;
    font-size: 0.9rem;
    color: #92400e;
}

/* Single column science section styling */
.science-content-single {
    max-width: 800px;
    margin: 0 auto;
}

.science-content-single h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #1f2937;
}

/* Enhanced Science Section Formatting */
.science-intro-summary {
    text-align: center;
    margin: 2rem 0 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(147, 197, 253, 0.05) 100%);
    border-radius: 12px;
}

.science-lead {
    font-size: 1.3rem;
    font-weight: 500;
    color: #1e40af;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

.science-lead-centered {
    text-align: center;
}

.science-content-formatted {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.science-block {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.science-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8, #1e40af);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.science-block:hover {
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
    border-color: rgba(59, 130, 246, 0.2);
}

.science-block:hover::before {
    opacity: 1;
}

.block-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 0.75rem;
}

.block-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.block-header h3 {
    color: #1e40af;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0;
}

.block-content {
    line-height: 1.7;
}

.block-content p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
}

.scientific-detail, .key-insight, .analogy-box, .research-validation, 
.breakthrough-highlight, .evidence-summary, .jetlagpro-solution {
    background: #f8fafc;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
}

.scientific-detail h4, .key-insight h4, .analogy-box h4, 
.research-validation h4, .breakthrough-highlight h4, 
.evidence-summary h4, .jetlagpro-solution h4 {
    color: #1e40af;
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-insight {
    background: #fef3c7;
    border-left-color: #f59e0b;
}

.key-insight h4 {
    color: #b45309;
}

.analogy-box {
    background: #f0f9ff;
    border-left-color: #0ea5e9;
}

.analogy-box h4 {
    color: #0c4a6e;
}

.research-validation {
    background: #f0fdf4;
    border-left-color: #22c55e;
}

.research-validation h4 {
    color: #15803d;
}

.breakthrough-highlight {
    background: #fef2f2;
    border-left-color: #ef4444;
}

.breakthrough-highlight h4 {
    color: #dc2626;
}

.jetlagpro-solution {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-left-color: #2563eb;
    border-width: 4px;
}

.jetlagpro-solution h4 {
    color: #1d4ed8;
}

.meridian-clock-featured {
    text-align: center;
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 12px;
}

.meridian-clock-featured h4 {
    color: #1e40af;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.meridian-clock-image {
    max-width: 400px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 20px auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.clock-caption {
    margin-top: 1rem;
    font-style: italic;
    color: #64748b;
    font-size: 0.95rem;
}

.science-references {
    background: #fafafa;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 3rem;
}

.science-references h3 {
    color: #1e40af;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.references-grid {
    display: grid;
    gap: 1rem;
}

.ref-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    align-items: flex-start;
}

.ref-number {
    background: #3b82f6;
    color: white;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
}

.ref-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.ref-item a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.ref-item a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .science-intro-summary {
        padding: 1.5rem;
        margin: 1.5rem 0 2rem;
    }
    
    .science-lead {
        font-size: 1.1rem;
    }
    
    .science-block {
        padding: 1.5rem;
    }
    
    .block-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .block-icon {
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
    
    .scientific-detail, .key-insight, .analogy-box, .research-validation, 
    .breakthrough-highlight, .evidence-summary, .jetlagpro-solution {
        padding: 1rem;
    }
    
    .references-grid {
        gap: 0.75rem;
    }
    
    .ref-item {
        padding: 0.75rem;
    }
}

.science-content-single p {
    margin-bottom: 2rem;
    color: #4b5563;
    line-height: 1.8;
    font-size: 1.1rem;
}

.meridian-clock-inline {
    margin: 3rem 0;
    text-align: center;
}

.meridian-clock-inline h4 {
    margin-bottom: 1.5rem;
    color: #1f2937;
}

/* New pages styling */
.hero-simple {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 8rem 0 4rem; /* Added extra top padding for fixed header */
    text-align: center;
}

.hero-simple h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex !important;
    gap: 1rem;
    justify-content: center !important;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 1rem;
    text-align: center !important;
    width: 100%;
}

.work-in-progress {
    background: rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 8px;
    display: inline-block;
    margin-top: 1rem;
}

/* How It Works Section */
.how-it-works {
    padding: 4rem 0;
    background: #f8f9fa;
    text-align: center;
}

.how-it-works h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

.steps-container {
    display: flex;
    justify-content: space-around;
    align-items: flex-start;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
}

.step-number {
    background: #764ba2;
    color: white;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 auto 1rem auto;
}

.step h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.step-image {
    max-width: 250px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }
    
    .step-image {
        max-width: 250px;
    }
    
    .how-it-works h2 {
        font-size: 2rem;
    }
}

.work-in-progress span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Alternative approaches page */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.approach-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #e5e7eb;
}

.approach-card.highlighted {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.approach-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.approach-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.pros h4, .cons h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.pros h4 {
    color: #059669;
}

.cons h4 {
    color: #dc2626;
}

.pros ul, .cons ul {
    margin: 0;
    padding-left: 1.2rem;
    font-size: 0.9rem;
}

.approach-note {
    font-style: italic;
    color: #6b7280;
    margin-top: 1rem;
}

.jetlagpro-note {
    background: #eff6ff;
    padding: 1rem;
    border-radius: 6px;
    border-left: 4px solid #3b82f6;
    margin-top: 1rem;
    font-weight: 500;
}

.jetlagpro-connection {
    background: #f0f9ff;
    padding: 0.75rem;
    border-radius: 6px;
    margin: 1rem 0;
    border-left: 3px solid #3b82f6;
}

.comparison-summary {
    background: #f8fafc;
    padding: 3rem;
    border-radius: 12px;
    margin-top: 3rem;
    text-align: center;
}

/* Travel tips page */
.tips-timeline {
    margin: 3rem 0;
}

.timeline-section {
    margin-bottom: 4rem;
}

.timeline-section h2 {
    color: #1f2937;
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.tip-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #e5e7eb;
}

.tip-card.highlighted {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.tip-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tip-card h3 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.development-note {
    font-style: italic;
    color: #6b7280;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.cta-inline a {
    color: #3b82f6;
    font-weight: 600;
    text-decoration: none;
}

.cta-inline a:hover {
    text-decoration: underline;
}

.pro-tips-section {
    background: #f8fafc;
    padding: 3rem;
    border-radius: 12px;
    margin: 4rem 0;
}

.pro-tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pro-tip {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.ultimate-strategy {
    background: #1f2937;
    color: white;
    padding: 3rem;
    border-radius: 12px;
    margin-top: 4rem;
    text-align: center;
}

.ultimate-strategy ol {
    text-align: left;
    max-width: 600px;
    margin: 2rem auto;
}

.cta-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-button-large {
    display: inline-block;
    background: #3b82f6;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
}

.cta-button-large:hover {
    background: #2563eb;
}

/* Swipe Navigation Styles */
.swipe-indicators {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: none;
    flex-direction: column;
    gap: 12px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    cursor: pointer;
}

.indicator.active {
    background: #3b82f6;
    border-color: #3b82f6;
    transform: scale(1.2);
}

.swipe-hint {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    z-index: 1001;
    opacity: 0;
    transition: all 0.5s ease;
    pointer-events: none;
}

.swipe-hint.show {
    opacity: 1;
    transform: translateX(-50%) translateY(-10px);
}

/* Swipe animation effects */
body.swiping {
    overflow-x: hidden;
}

body.swiping * {
    transition: transform 0.3s ease-out;
}

/* Mobile-specific styles */
@media (max-width: 768px) {
    .swipe-indicators {
        display: flex;
    }
    
    /* Prevent horizontal scroll during swipe detection */
    body {
        touch-action: pan-y;
    }
    
    /* Improve swipe performance */
    .container {
        will-change: transform;
    }
    
    /* Add subtle visual feedback for active sections */
    section:target {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(147, 197, 253, 0.02) 100%);
    }
}

/* Desktop - hide swipe elements */
@media (min-width: 769px) {
    .swipe-indicators,
    .swipe-hint {
        display: none !important;
    }
}

/* Mobile adjustments for hero-simple */
@media (max-width: 768px) {
    .hero-simple {
        padding: 6rem 0 3rem; /* Reduced padding on mobile */
    }
    
    .hero-simple h1 {
        font-size: 2rem;
    }
}

.meridian-clock {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
}

.meridian-clock h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #1f2937;
    text-align: center;
}

.clock-display {
    display: grid;
    gap: 0.5rem;
}

.time-slot {
    background: white;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: #374151;
    border-left: 4px solid #2563eb;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(59, 130, 246, 0.02) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, rgba(59, 130, 246, 0.02) 75%),
        linear-gradient(-45deg, transparent 75%, rgba(59, 130, 246, 0.02) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    pointer-events: none;
}

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

.feature-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    text-align: center;
    padding: 2rem;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Localization Section */
.localization {
    padding: 80px 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.localization::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 10% 90%, rgba(14, 165, 233, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(8, 145, 178, 0.03) 0%, transparent 60%);
    pointer-events: none;
}

.languages-list {
    margin: 2rem 0;
}

.languages-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.languages-list li {
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    border-radius: 8px;
    border: 1px solid rgba(14, 165, 233, 0.1);
    font-size: 1rem;
    font-weight: 500;
    color: #1f2937;
    text-align: center;
    transition: all 0.3s ease;
}

.languages-list li:hover {
    border-color: rgba(14, 165, 233, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.localization-note {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 3rem;
}

.localization-note h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.localization-note p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

.testflight-info {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: left;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.testflight-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.testflight-info ul {
    list-style: none;
    padding: 0;
}

.testflight-info li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.testflight-info li:last-child {
    border-bottom: none;
}

.coming-soon {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 12px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.coming-soon h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.coming-soon p {
    opacity: 0.9;
    line-height: 1.6;
}

/* Small Disclaimer */
.disclaimer-small {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    margin-bottom: 0.75rem;
}

.disclaimer-small h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.disclaimer-small p {
    font-size: 0.85rem;
    line-height: 1.4;
    color: #64748b;
    margin-bottom: 0.5rem;
}

.disclaimer-small p:last-child {
    margin-bottom: 0;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f9fafb;
}

.footer-section p {
    color: #d1d5db;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

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

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #2563eb;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Navigation */
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links a {
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
    
    /* Hero Section */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .hero-feature {
        justify-content: center;
        font-size: 0.95rem;
    }

    .key-features {
        padding: 2rem 0;
    }

    .features-list {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-item {
        font-size: 1rem;
        padding: 0.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
    
    /* Phone Mockup */
    .phone-mockup {
        width: 260px;
        height: 520px;
        margin: 0 auto;
    }
    
    .app-header h1 {
        font-size: 16px;
    }
    
    .app-content {
        padding: 16px;
    }
    
    .section-header {
        padding: 14px 16px;
        font-size: 15px;
    }
    
    .section-content {
        padding: 14px 16px;
    }
    
    .status-item,
    .instruction-item {
        font-size: 14px;
    }
    
    .demo-button {
        padding: 16px 20px;
        font-size: 16px;
    }
    
    .demo-icon {
        font-size: 20px;
    }
    
    .demo-text {
        font-size: 16px;
    }
    
    .demo-arrow {
        font-size: 18px;
    }
    
    /* Sections */
    .section-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    /* How It Works */
    .steps {
        gap: 1.5rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .step-number {
        margin-bottom: 1rem;
    }
    
    /* Science Section */
    .science-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .science-text h3 {
        font-size: 1.5rem;
    }
    
    .science-highlights {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .meridian-clock {
        padding: 1.5rem;
    }
    
    .clock-display {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .time-slot {
        font-size: 0.9rem;
        padding: 0.5rem;
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .feature-card {
        padding: 1.5rem;
    }
    
    /* Localization */
    .languages-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 1rem;
    }
    
    .language-card {
        padding: 1rem;
    }
    
    /* Download */
    .download-buttons {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .testflight-info,
    .coming-soon {
        padding: 1.5rem;
        margin: 1.5rem auto;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        text-align: center;
    }
    
    /* Container padding */
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .hero-container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
    
    .app-header h1 {
        font-size: 14px;
    }
    
    .app-content {
        padding: 12px;
    }
    
    .section-header {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .section-content {
        padding: 12px 14px;
    }
    
    .status-item,
    .instruction-item {
        font-size: 13px;
    }
    
    .demo-button {
        padding: 14px 16px;
        font-size: 14px;
    }
    
    .demo-icon {
        font-size: 18px;
    }
    
    .demo-text {
        font-size: 14px;
    }
    
    .demo-arrow {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .step-content h3 {
        font-size: 1.25rem;
    }
    
    .feature-card h3 {
        font-size: 1.25rem;
    }
    
    .language-card h3 {
        font-size: 1.1rem;
    }
    
    .container {
        padding: 0 10px;
    }
    
    .nav-container {
        padding-left: 10px;
        padding-right: 10px;
    }
    
    .hero-container {
        padding: 0 10px;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .phone-mockup {
        width: 220px;
        height: 440px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.85rem;
    }
} 

/* Privacy Policy Page Styles */
.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: 16px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: relative;
    overflow: hidden;
}

.privacy-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
}

.privacy-header {
    text-align: center;
    padding: 0 2rem 2rem;
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 2rem;
}

.privacy-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.effective-date {
    font-size: 1rem;
    color: #64748b;
    margin: 0;
    font-weight: 500;
}

.privacy-section {
    padding: 0 2rem 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #f1f5f9;
}

.privacy-section:last-of-type {
    border-bottom: none;
}

.privacy-section h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
    position: relative;
}

.privacy-section h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

.privacy-section p {
    font-size: 1rem;
    line-height: 1.6;
    color: #374151;
    margin-bottom: 1rem;
}

.privacy-subsection {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.02) 0%, rgba(147, 197, 253, 0.02) 100%);
    border-radius: 12px;
    border-left: 3px solid #3b82f6;
}

.privacy-subsection h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e40af;
    margin-bottom: 1rem;
}

.privacy-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.privacy-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f5f9;
    position: relative;
    padding-left: 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #374151;
}

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

.privacy-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
    font-size: 1.2rem;
}

.privacy-list li strong {
    color: #1e40af;
    font-weight: 600;
}

.contact-info {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(34, 197, 94, 0.2);
    margin-top: 1rem;
}

.contact-info p {
    margin-bottom: 0.5rem;
}

.contact-info p:last-child {
    margin-bottom: 0;
}

.contact-info a {
    color: #059669;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: #047857;
    text-decoration: underline;
}

.privacy-disclaimer {
    margin: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(251, 191, 36, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-left: 4px solid #f59e0b;
}

.privacy-disclaimer p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #92400e;
}

.privacy-disclaimer strong {
    color: #d97706;
}

/* Responsive Design for Privacy Policy */
@media (max-width: 768px) {
    .privacy-content {
        margin: 0 1rem;
        padding: 20px 0;
        border-radius: 12px;
    }
    
    .privacy-header {
        padding: 0 1.5rem 1.5rem;
    }
    
    .privacy-header h1 {
        font-size: 2rem;
    }
    
    .privacy-section {
        padding: 0 1.5rem 1.5rem;
    }
    
    .privacy-section h2 {
        font-size: 1.3rem;
    }
    
    .privacy-subsection {
        padding: 1rem;
        margin: 1rem 0;
    }
    
    .privacy-subsection h3 {
        font-size: 1.1rem;
    }
    
    .privacy-list li {
        padding-left: 1.25rem;
        font-size: 0.95rem;
    }
    
    .contact-info {
        padding: 1rem;
    }
    
    .privacy-disclaimer {
        margin: 1.5rem;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .privacy-content {
        margin: 0 0.5rem;
        padding: 15px 0;
    }
    
    .privacy-header {
        padding: 0 1rem 1rem;
    }
    
    .privacy-header h1 {
        font-size: 1.75rem;
    }
    
    .privacy-section {
        padding: 0 1rem 1rem;
    }
    
    .privacy-section h2 {
        font-size: 1.2rem;
    }
    
    .privacy-subsection {
        padding: 0.75rem;
    }
    
    .privacy-list li {
        padding-left: 1rem;
        font-size: 0.9rem;
    }
    
    .privacy-disclaimer {
        margin: 1rem;
        padding: 0.75rem;
    }
} 

/* Research CTA Styles */
.research-cta {
    text-align: center;
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    border: 1px solid #dee2e6;
}

.research-cta .btn {
    margin-bottom: 15px;
    padding: 15px 30px;
    font-size: 1.1rem;
    font-weight: 600;
}

.cta-note {
    color: #6c757d;
    font-size: 0.9rem;
    margin: 0;
    font-style: italic;
}

@media (max-width: 768px) {
    .research-cta {
        margin: 20px 0;
        padding: 20px;
    }
    
    .research-cta .btn {
        padding: 12px 24px;
        font-size: 1rem;
    }
} 

.research-paper-link {
    margin-top: 1.5rem;
    text-align: center;
}

.research-paper-link .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.research-paper-link .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

.research-paper-link .btn::before {
    content: "📄";
    font-size: 1.2em;
} 

/* Chinese Organ Clock Page Styles */
.organ-clock-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.6;
}

.organ-clock-content h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
    border-bottom: 3px solid #3498db;
    padding-bottom: 20px;
}

.organ-clock-content .lead {
    font-size: 1.2em;
    color: #666;
    text-align: center;
    margin-bottom: 40px;
    font-style: italic;
}

.clock-visualization {
    text-align: center;
    margin: 40px 0;
}

.organ-clock-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.image-caption {
    margin-top: 15px;
    font-style: italic;
    color: #666;
    font-size: 0.9em;
}

.clock-explanation {
    margin-top: 40px;
}

.clock-explanation h2 {
    font-size: 1.8em;
    color: #2c3e50;
    margin-bottom: 20px;
    border-left: 4px solid #3498db;
    padding-left: 15px;
}

.clock-explanation h3 {
    font-size: 1.4em;
    color: #34495e;
    margin-top: 30px;
    margin-bottom: 15px;
}

.clock-explanation p {
    margin-bottom: 15px;
    text-align: justify;
}

.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.time-slot {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #3498db;
    font-size: 0.95em;
}

.time-slot strong {
    color: #2c3e50;
}

.cta-section {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
    margin-top: 40px;
    text-align: center;
    border-left: 4px solid #3498db;
}

.cta-section h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 20px;
    color: #666;
}

@media (max-width: 768px) {
    .organ-clock-content {
        padding: 20px 15px;
    }
    
    .organ-clock-content h1 {
        font-size: 2em;
    }
    
    .time-slots {
        grid-template-columns: 1fr;
    }
    
    .time-slot {
        font-size: 0.9em;
    }
}