/* ===== CSS Variables ===== */
:root {
    /* Warm, inviting color palette */
    --color-primary: #8B6914;
    --color-primary-light: #C49A1A;
    --color-primary-dark: #6B5210;
    --color-secondary: #4A6741;
    --color-secondary-light: #6B8B62;
    --color-accent: #B85C38;
    --color-warm-cream: #FDF8F3;
    --color-warm-beige: #F5EDE4;
    --color-warm-tan: #E8DFD5;
    --color-text: #3D3D3D;
    --color-text-light: #6B6B6B;
    --color-text-dark: #2D2D2D;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Libre Baskerville', Georgia, serif;
    --font-body: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 18px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-warm-cream);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text-dark);
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.25rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p { margin-bottom: var(--spacing-sm); }

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

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

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

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

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

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

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

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo:hover {
    color: var(--color-primary-dark);
}

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

.nav-links a {
    font-weight: 600;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    position: relative;
}

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

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

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

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

/* ===== Hero Section ===== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(80px + var(--spacing-xxl)) var(--spacing-lg) var(--spacing-xxl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 50%, var(--color-primary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-content {
    position: relative;
    max-width: 800px;
    color: var(--color-white);
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

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

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

.hero .btn-primary:hover {
    background-color: var(--color-warm-cream);
    border-color: var(--color-warm-cream);
}

.hero .btn-secondary {
    color: var(--color-white);
    border-color: var(--color-white);
}

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

/* ===== Intro Section ===== */
.intro-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.intro-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.intro-text {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-light);
}

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

.feature-card {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
}

.feature-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Clickable feature cards */
a.feature-card.clickable {
    display: block;
    text-decoration: none;
    cursor: pointer;
}

a.feature-card.clickable:hover {
    transform: translateY(-8px);
}

a.feature-card.clickable h3,
a.feature-card.clickable p {
    color: inherit;
}

a.feature-card.clickable h3 {
    color: var(--color-text-dark);
}

a.feature-card.clickable p {
    color: var(--color-text-light);
}

.feature-card .learn-more {
    display: inline-block;
    margin-top: var(--spacing-md);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform var(--transition-fast);
}

a.feature-card.clickable:hover .learn-more {
    transform: translateX(5px);
}

/* ===== Quote Section ===== */
.quote-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-warm-beige);
}

.quote-section blockquote {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quote-section blockquote p {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-style: italic;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.quote-section cite {
    font-style: normal;
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== Explore Section ===== */
.explore-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.explore-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.explore-card {
    display: block;
    background-color: var(--color-warm-cream);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-decoration: none;
}

.explore-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.explore-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.articles-bg {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.books-bg {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.quizzes-bg {
    background: linear-gradient(135deg, var(--color-accent) 0%, #D4785A 100%);
}

.explore-content {
    padding: var(--spacing-lg);
}

.explore-content h3 {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.explore-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.explore-link {
    color: var(--color-primary);
    font-weight: 600;
}

.explore-card:hover .explore-link {
    text-decoration: underline;
}

/* ===== CTA Section ===== */
.cta-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    text-align: center;
    color: var(--color-white);
}

.cta-section h2 {
    color: var(--color-white);
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
}

.cta-section .btn-primary {
    background-color: var(--color-white);
    color: var(--color-secondary);
    border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-warm-cream);
    border-color: var(--color-warm-cream);
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-text-dark);
    color: var(--color-warm-tan);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    opacity: 0.8;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section ul a {
    color: var(--color-warm-tan);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-section ul a:hover {
    opacity: 1;
    color: var(--color-white);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* ===== Page Header ===== */
.page-header {
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    text-align: center;
    color: var(--color-white);
}

.page-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

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

/* ===== Content Sections ===== */
.content-section {
    padding: var(--spacing-xxl) 0;
}

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

/* ===== Article Cards ===== */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.article-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.article-card h3 {
    margin-bottom: var(--spacing-sm);
}

.article-card h3 a {
    color: var(--color-text-dark);
}

.article-card h3 a:hover {
    color: var(--color-primary);
}

.article-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.article-meta {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ===== Book Cards ===== */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.book-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.book-header {
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.book-header h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}

.book-author {
    opacity: 0.9;
    font-style: italic;
}

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

.book-content p {
    color: var(--color-text-light);
}

.book-content .btn {
    margin-top: var(--spacing-sm);
}

/* ===== Quiz Section ===== */
.quiz-intro {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
}

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

.quiz-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.quiz-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.quiz-card.self-assessment {
    border-top: 4px solid var(--color-accent);
}

.quiz-card.educational {
    border-top: 4px solid var(--color-secondary);
}

.quiz-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-warm-cream);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quiz-card.self-assessment .quiz-icon {
    color: var(--color-accent);
}

.quiz-card.educational .quiz-icon {
    color: var(--color-secondary);
}

.quiz-card.couples .quiz-icon {
    color: var(--color-primary);
}

.quiz-card.couples {
    border-top: 4px solid var(--color-primary);
}

.quiz-icon svg {
    width: 40px;
    height: 40px;
}

/* Quiz Category Titles */
.quiz-category-title {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
    font-family: var(--font-heading);
}

.quiz-category-intro {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.quiz-card h3 {
    margin-bottom: var(--spacing-sm);
}

.quiz-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.quiz-meta {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

/* ===== Quiz Container ===== */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    display: none;
}

.quiz-container.active {
    display: block;
}

.quiz-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-warm-tan);
}

.progress-bar {
    flex: 1;
    height: 8px;
    background-color: var(--color-warm-tan);
    border-radius: 4px;
    margin-right: var(--spacing-md);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-text-light);
    white-space: nowrap;
}

.quiz-question {
    margin-bottom: var(--spacing-xl);
}

.quiz-question h3 {
    margin-bottom: var(--spacing-lg);
    font-size: 1.25rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.quiz-option {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-warm-cream);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quiz-option:hover {
    border-color: var(--color-primary);
    background-color: var(--color-warm-beige);
}

.quiz-option.selected {
    border-color: var(--color-primary);
    background-color: rgba(139, 105, 20, 0.1);
}

.quiz-option input {
    display: none;
}

.quiz-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-warm-tan);
}

.quiz-results {
    text-align: center;
    display: none;
}

.quiz-results.active {
    display: block;
}

.quiz-score {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.quiz-interpretation {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.quiz-interpretation h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

/* ===== About Page ===== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content h3 {
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.about-content p {
    margin-bottom: var(--spacing-md);
}

.key-concepts {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.concept-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.concept-card h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.concept-card p {
    color: var(--color-text-light);
    margin-bottom: 0;
}

/* Clickable concept cards */
a.concept-card.clickable {
    display: block;
    text-decoration: none;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

a.concept-card.clickable:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

a.concept-card.clickable h4 {
    color: var(--color-primary);
}

a.concept-card.clickable p {
    color: var(--color-text-light);
}

a.concept-card.clickable .learn-more {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform var(--transition-fast);
}

a.concept-card.clickable:hover .learn-more {
    transform: translateX(5px);
}

/* ===== Book & Article Page Styles ===== */
.book-page-header {
    padding-bottom: var(--spacing-xl);
}

.book-label {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.book-author-header {
    font-style: italic;
    font-size: 1.25rem;
    opacity: 0.9;
}

.book-content-page {
    padding: var(--spacing-xxl) 0;
}

.book-content-page .container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.book-meta {
    position: sticky;
    top: 100px;
    background-color: var(--color-warm-beige);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.book-meta p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.book-meta .btn {
    margin-top: var(--spacing-md);
    width: 100%;
}

.book-summary-content {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.chapter-summary {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-warm-tan);
}

.chapter-summary:last-of-type {
    border-bottom: none;
    margin-bottom: var(--spacing-lg);
}

.chapter-summary h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.chapter-summary p {
    line-height: 1.8;
}

.chapter-summary strong {
    color: var(--color-text-dark);
}

.chapter-summary em {
    color: var(--color-primary);
}

.book-cta {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.book-cta h3 {
    margin-bottom: var(--spacing-sm);
}

.book-cta p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

/* Article page styles */
.article-page-header {
    padding-bottom: var(--spacing-xl);
}

.article-date {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.article-content-page {
    padding: var(--spacing-xxl) 0;
}

.article-content-page .container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.article-meta {
    position: sticky;
    top: 100px;
    background-color: var(--color-warm-beige);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.article-meta p {
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.article-meta .btn {
    margin-top: var(--spacing-md);
    width: 100%;
}

.article-body {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.article-body h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body p {
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.article-body strong {
    color: var(--color-text-dark);
}

.article-body em {
    color: var(--color-primary);
}

.article-cta {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    margin-top: var(--spacing-xl);
}

.article-cta h3 {
    margin-bottom: var(--spacing-sm);
}

.article-cta p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

/* Responsive for book/article pages */
@media (max-width: 900px) {
    .book-content-page .container,
    .article-content-page .container {
        grid-template-columns: 1fr;
    }

    .book-meta,
    .article-meta {
        position: static;
        order: -1;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-md);
        gap: 0;
        box-shadow: var(--shadow-md);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--color-warm-tan);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: var(--spacing-sm) 0;
    }

    .hero {
        min-height: auto;
        padding: calc(80px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .feature-grid,
    .explore-grid,
    .article-grid,
    .book-grid,
    .quiz-grid {
        grid-template-columns: 1fr;
    }

    .quote-section blockquote p {
        font-size: 1.25rem;
    }

    .quiz-container {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    body {
        font-size: 16px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        width: 100%;
    }

    .quiz-navigation {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .quiz-navigation .btn {
        width: 100%;
    }
}

/* ===== Concept Pages ===== */
.concept-header {
    text-align: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 50%, var(--color-primary) 100%);
    padding: calc(80px + var(--spacing-xl)) var(--spacing-lg) var(--spacing-xxl);
    color: var(--color-white);
}

.concept-header .back-link {
    color: rgba(255,255,255,0.8);
    display: inline-block;
    margin-bottom: var(--spacing-lg);
}

.concept-header .back-link:hover {
    color: var(--color-white);
}

.concept-header h1 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.concept-header .subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
}

.concept-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    color: rgba(255,255,255,0.9);
}

.concept-icon svg {
    width: 100%;
    height: 100%;
}

/* Lead paragraph for concept/article pages */
.lead {
    font-size: 1.25rem;
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-md);
}

/* Info boxes */
.info-box {
    background-color: var(--color-warm-beige);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.info-box.highlight {
    background-color: #f0f7f0;
    border-left: 4px solid var(--color-secondary);
}

.info-box h4 {
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.info-box ul {
    margin-left: var(--spacing-md);
    margin-bottom: 0;
}

.info-box li {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

/* Highlight quote */
.highlight-quote {
    background-color: var(--color-warm-beige);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
    text-align: center;
    border-left: 4px solid var(--color-primary);
}

.highlight-quote p {
    font-family: var(--font-heading);
    font-style: italic;
    font-size: 1.25rem;
    color: var(--color-text-dark);
    margin-bottom: var(--spacing-sm);
}

.highlight-quote cite {
    color: var(--color-text-light);
    font-style: normal;
}

/* Example boxes */
.example-box {
    background-color: var(--color-white);
    border: 1px solid var(--color-warm-tan);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-lg) 0;
}

.example-box h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-warm-tan);
}

/* Four points grid */
.four-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.four-points .point {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-top: 3px solid var(--color-primary);
}

.four-points .point h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.four-points .point p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Growth outcomes grid */
.growth-outcomes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.growth-outcomes .outcome {
    text-align: center;
    padding: var(--spacing-md);
}

.growth-outcomes .outcome h4 {
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.growth-outcomes .outcome p {
    color: var(--color-text-light);
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Misconception boxes */
.misconception {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--color-accent);
}

.misconception h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

/* CTA buttons container */
.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* Article body enhancements */
.article-body h3 {
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.article-body ul,
.article-body ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-body li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

/* Featured article card */
.article-card.featured {
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-warm-cream);
}

/* Simple article page layout (no sidebar) */
.article-content-page .container:only-child .article-body {
    max-width: 800px;
    margin: 0 auto;
}

/* Override grid for pages without sidebar */
.article-content-page .container:not(:has(.article-meta)) {
    display: block;
}

/* ===== Enhanced Quiz Styles ===== */

/* Quiz explanation for educational quizzes */
.quiz-explanation {
    background-color: var(--color-warm-cream);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    border-left: 4px solid var(--color-secondary);
    display: none;
}

.quiz-explanation.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.quiz-explanation.correct {
    border-left-color: var(--color-secondary);
    background-color: #f0f7f0;
}

.quiz-explanation.incorrect {
    border-left-color: var(--color-accent);
    background-color: #fef5f3;
}

.quiz-explanation h5 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-dark);
}

.quiz-explanation p {
    margin-bottom: 0;
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Quiz results visualization */
.quiz-results-chart {
    width: 100%;
    max-width: 300px;
    margin: var(--spacing-lg) auto;
}

.score-circle {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-lg);
}

.score-circle svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.score-circle .bg {
    fill: none;
    stroke: var(--color-warm-tan);
    stroke-width: 12;
}

.score-circle .progress {
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease;
}

.score-circle .score-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.score-circle .score-number {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.score-circle .score-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-top: var(--spacing-xs);
}

/* Share results section */
.share-results {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-warm-tan);
    text-align: center;
}

.share-results h4 {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-dark);
}

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

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-warm-tan);
    background-color: var(--color-white);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
}

.share-btn:hover {
    background-color: var(--color-warm-cream);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

/* Quiz correct/incorrect indicators */
.quiz-option.correct {
    background-color: #e8f5e9 !important;
    border-color: var(--color-secondary) !important;
}

.quiz-option.incorrect {
    background-color: #ffebee !important;
    border-color: var(--color-accent) !important;
}

.quiz-option .correct-indicator {
    margin-left: auto;
    color: var(--color-secondary);
    font-weight: bold;
}

/* Quiz option animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz-option {
    animation: fadeIn 0.3s ease;
    display: flex;
    align-items: center;
}

/* Progress bar animation */
.progress-fill {
    transition: width 0.5s ease;
}

/* Responsive adjustments for new styles */
@media (max-width: 768px) {
    .four-points {
        grid-template-columns: 1fr;
    }

    .growth-outcomes {
        grid-template-columns: 1fr 1fr;
    }

    .concept-header {
        padding: calc(60px + var(--spacing-lg)) var(--spacing-md) var(--spacing-xl);
    }

    .lead {
        font-size: 1.1rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .growth-outcomes {
        grid-template-columns: 1fr;
    }

    .share-buttons {
        flex-direction: column;
    }

    .share-btn {
        width: 100%;
        justify-content: center;
    }
}