/* Universal CSS for Dating Methods Science Pages */
/* Based on bible-theology.css structure but with orange/amber colors for dating/time sections */

:root {
    /* Primary dating methods theme - warm orange/amber colors for time/dating sections */
    --primary-color: #f57c00; /* Warm orange - different from existing #d35400 */
    --primary-light: #ffb74d;
    --primary-dark: #ef6c00;
    --primary-accent-color: #ff9800;
    --primary-gradient: linear-gradient(135deg, #f57c00, #ef6c00);
    
    /* Text colors */
    --text-dark: #333333;
    --text-light: #ffffff;
    --text-muted: #6c757d;
    --text-subtle: #999999;
    
    /* Background colors */
    --background-light: #f5f5f5;
    --background-white: #ffffff;
    --surface-light: #ffffff;
    --surface-dark: #1e1e1e;
    
    /* Design system */
    --border-radius: 12px;
    --box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    --box-shadow-hover: 0 15px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --transition-fast: all 0.2s ease;
    --card-border-radius: var(--border-radius);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--background-light);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    width: 100%;
    max-width: min(1200px, calc(100vw - 40px));
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Styles */
header {
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: all var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: -0.5px;
    line-height: 1.1;
    transition: all 0.3s ease;
}

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

.logo-subtitle {
    font-size: 0.85rem;
    color: #666;
    font-weight: 400;
    margin-top: 2px;
    letter-spacing: 0.3px;
}

.navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navigation a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1.1rem;
    transition: all var(--transition);
    position: relative;
}

.navigation a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition);
}

.navigation a:hover:after,
.navigation a.active:after {
    width: 100%;
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Hero Section */
.hero {
    background: var(--primary-gradient);
    color: white;
    padding: 8rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="20" cy="20" r="3" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="20" r="2" fill="rgba(255,255,255,0.08)"/><circle cx="50" cy="50" r="2.5" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="80" r="2" fill="rgba(255,255,255,0.08)"/><circle cx="80" cy="80" r="3" fill="rgba(255,255,255,0.1)"/></svg>');
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.hero p {
    font-size: 1.4rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    max-width: 700px;
}

.parent-topic {
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Main Content Layout */
.main-content {
    padding: 4rem 0;
}

.two-column-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.main-column {
    flex: 1;
}

/* Sidebar Navigation */
.sidebar {
    width: 300px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

.sidebar-header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px;
    border-top-left-radius: var(--border-radius);
    border-top-right-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.sidebar-nav {
    padding: 10px 0;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    text-decoration: none;
    color: var(--text-dark);
    transition: var(--transition-fast);
    gap: 12px;
}

.sidebar-nav-item:hover {
    background-color: rgba(245, 124, 0, 0.1);
}

.sidebar-nav-item.active {
    background-color: rgba(245, 124, 0, 0.15);
    border-left: 4px solid var(--primary-color);
}

.sidebar-nav-item i {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    color: var(--primary-color);
}

/* Content Sections */
.content-section {
    margin-bottom: var(--spacing-xl);
    background: var(--surface-light);
    border-radius: var(--card-border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--box-shadow);
    transition: all var(--transition);
}

.content-section:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-hover);
}

.content-section h2 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: var(--spacing-xs);
}

.content-section h3 {
    font-size: 1.4rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--text-dark);
}

.content-section h4 {
    font-size: 1.2rem;
    margin: var(--spacing-sm) 0;
    color: var(--primary-dark);
}

.content-section p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.content-section ul,
.content-section ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.content-section ul li,
.content-section ol li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* Content Container */
.content-container {
    /* Used in some pages as additional wrapper */
}

/* Evidence Items */
.evidence-item {
    background: rgba(245, 124, 0, 0.05);
    border-left: 3px solid var(--primary-color);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    border-radius: 0 var(--card-border-radius) var(--card-border-radius) 0;
}

.evidence-item h4 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xs);
}

.evidence-item p {
    margin-bottom: var(--spacing-xs);
}

.evidence-item ul {
    margin-bottom: var(--spacing-xs);
}

/* Dating Methods Grid */
.dating-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.dating-method {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    transition: var(--transition);
    border-top: 3px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.dating-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.dating-method h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.dating-method i {
    font-size: 1.2rem;
}

.dating-method p {
    font-size: 0.95rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

/* Method Grid and Cards */
.method-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.method-card {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    border: 1px solid rgba(245, 124, 0, 0.2);
    transition: var(--transition);
}

.method-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.method-card-title {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 600;
}

.method-card-desc p {
    margin-bottom: var(--spacing-xs);
    line-height: 1.6;
}

/* Data Cards */
.data-card {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    border: 1px solid rgba(245, 124, 0, 0.2);
    margin: var(--spacing-md) 0;
    overflow: hidden;
}

.data-card-header {
    background: rgba(245, 124, 0, 0.1);
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.data-card-title {
    font-weight: 600;
    color: var(--primary-dark);
}

.data-card-value {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 1.1rem;
}

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

/* Tables */
.comparison-table,
.table-container table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    background: var(--surface-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.comparison-table th,
.table-container table th {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
}

.comparison-table td,
.table-container table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid #e0e0e0;
}

.comparison-table tr:hover,
.table-container table tr:hover {
    background: rgba(245, 124, 0, 0.05);
}

/* Figures and Images */
.figure-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.figure-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.figure-caption {
    margin-top: var(--spacing-sm);
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.image-container {
    margin: var(--spacing-lg) 0;
    text-align: center;
}

.image-container img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.image-caption {
    margin-top: var(--spacing-sm);
    font-style: italic;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Highlight Boxes */
.highlight-box {
    background: rgba(245, 124, 0, 0.08);
    border: 1px solid rgba(245, 124, 0, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
}

.highlight-box h3 {
    color: var(--primary-color);
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

/* Card Container */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.card {
    background: var(--surface-light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

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

.card-header {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.card-body {
    padding: var(--spacing-md);
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-muted);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

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

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    max-width: 400px;
    opacity: 0.7;
    margin-bottom: 0;
}

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

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: white;
}

.copyright {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

.changelog-button {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all var(--transition);
    box-shadow: var(--box-shadow);
    margin-top: var(--spacing-md);
}

.changelog-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.to-top-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 99;
}

.to-top-button.visible {
    opacity: 1;
    visibility: visible;
}

.to-top-button:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 992px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .two-column-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        position: relative;
        top: 0;
        margin-bottom: 30px;
        max-height: none;
    }

    .method-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 7rem 0 var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

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

    .dating-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .header-container {
        padding: 0 15px;
    }

    .mobile-menu-button {
        display: block;
    }

    .navigation {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        z-index: 99;
        display: none;
    }
    
    .navigation.active {
        display: block;
    }

    .navigation ul {
        flex-direction: column;
        gap: 0;
        padding: 0;
    }
    
    .navigation ul li {
        width: 100%;
    }
    
    .navigation ul li a {
        display: block;
        padding: 15px 20px;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }

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

    .hero p {
        font-size: 1.1rem;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .sidebar-nav-item {
        font-size: 0.9rem;
    }
}

/* JavaScript functionality for sidebar */
.sidebar-nav-item.active {
    background-color: rgba(245, 124, 0, 0.2);
    border-left: 4px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-nav-item {
    cursor: pointer;
}

/* Smooth scrolling for the entire page */
html {
    scroll-behavior: smooth;
}

/* Ensure proper offset for anchor links */
.content-section {
    scroll-margin-top: 120px;
}

@media print {
    .navigation,
    .mobile-menu-button,
    .to-top-button,
    .back-button,
    .sidebar {
        display: none;
    }

    .hero {
        background: none;
        color: var(--text-dark);
        padding: var(--spacing-lg) 0;
    }

    .content-section {
        box-shadow: none;
        border: 1px solid #ddd;
        margin-bottom: var(--spacing-lg);
    }
}



/* 
JavaScript to add to dating methods pages:

<script>
document.addEventListener('DOMContentLoaded', function() {
    // Sidebar navigation functionality
    const sidebarItems = document.querySelectorAll('.sidebar-nav-item');
    const sections = document.querySelectorAll('.content-section[id]');
    
    // Handle sidebar navigation clicks
    sidebarItems.forEach(item => {
        item.addEventListener('click', function(e) {
            e.preventDefault();
            const targetId = this.getAttribute('href').substring(1);
            const targetSection = document.getElementById(targetId);
            
            if (targetSection) {
                // Remove active class from all items
                sidebarItems.forEach(i => i.classList.remove('active'));
                // Add active class to clicked item
                this.classList.add('active');
                
                // Smooth scroll to target
                targetSection.scrollIntoView({
                    behavior: 'smooth',
                    block: 'start'
                });
            }
        });
    });
    
    // Update active state on scroll
    function updateActiveSection() {
        let current = '';
        sections.forEach(section => {
            const sectionTop = section.offsetTop - 150;
            const sectionHeight = section.offsetHeight;
            if (pageYOffset >= sectionTop && pageYOffset < sectionTop + sectionHeight) {
                current = section.getAttribute('id');
            }
        });
        
        sidebarItems.forEach(item => {
            item.classList.remove('active');
            if (item.getAttribute('href') === '#' + current) {
                item.classList.add('active');
            }
        });
    }
    
    // Throttled scroll event
    let ticking = false;
    function handleScroll() {
        if (!ticking) {
            requestAnimationFrame(updateActiveSection);
            ticking = true;
            setTimeout(() => { ticking = false; }, 100);
        }
    }
    
    window.addEventListener('scroll', handleScroll);
    
    // Set initial active state
    updateActiveSection();
    
    // Mobile menu functionality
    const mobileMenuButton = document.querySelector('.mobile-menu-button');
    const navigation = document.querySelector('.navigation');
    
    if (mobileMenuButton && navigation) {
        mobileMenuButton.addEventListener('click', function() {
            navigation.classList.toggle('active');
        });
    }
    
    // To-top button functionality
    const toTopButton = document.querySelector('.to-top-button');
    if (toTopButton) {
        window.addEventListener('scroll', function() {
            if (window.pageYOffset > 300) {
                toTopButton.classList.add('visible');
            } else {
                toTopButton.classList.remove('visible');
            }
        });
        
        toTopButton.addEventListener('click', function(e) {
            e.preventDefault();
            window.scrollTo({
                top: 0,
                behavior: 'smooth'
            });
        });
    }
    
    // Fade in animations
    const observerOptions = {
        threshold: 0.1,
        rootMargin: '0px 0px -50px 0px'
    };
    
    const observer = new IntersectionObserver(function(entries) {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('active');
            }
        });
    }, observerOptions);
    
    document.querySelectorAll('.fade-in').forEach(el => {
        observer.observe(el);
    });
});
</script>
*/