/* 
 * Chapter Page Styles - Clean Reading Experience
 */

.chapter-page {
    padding-top: 5rem;
    min-height: 100vh;
    background: var(--bg-primary);
}

.chapter-header {
    max-width: var(--reading-width);
    margin: 0 auto;
    padding: 2rem 2rem 2.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2.5rem;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-decoration: none;
}

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

.chapter-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--highlight);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}

.chapter-page-title {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.chapter-page-subtitle {
    color: var(--text-secondary);
}

/* Chapter Content */
.chapter-content {
    max-width: var(--reading-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.chapter-content .lead {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.chapter-content p {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.8;
}

.chapter-content h2 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.chapter-content h2:first-of-type {
    margin-top: 1.5rem;
}

.chapter-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.chapter-content ul {
    margin-bottom: 1.25rem;
    padding-left: 1.25rem;
}

.chapter-content li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.version-subtitle {
    font-style: italic;
    color: var(--text-muted) !important;
    margin-top: -0.5rem !important;
    margin-bottom: 1rem !important;
    font-size: 0.9375rem !important;
}

/* Blockquotes */
.chapter-content blockquote {
    margin: 2rem 0;
    padding: 1.25rem 1.5rem;
    background: var(--highlight-subtle);
    border-left: 4px solid var(--highlight);
    border-radius: 0 8px 8px 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.chapter-content blockquote.belief-quote {
    text-align: center;
    padding: 2rem;
    font-size: 1.25rem;
    font-weight: 700;
    font-style: italic;
    color: var(--highlight);
    background: var(--bg-secondary);
    border-left: none;
    border-radius: 8px;
}

/* Proof Cards */
.proof-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.25rem;
    margin: 1.25rem 0;
}

.proof-card:hover {
    border-color: var(--accent);
}

.proof-card.highlight {
    background: var(--highlight-subtle);
    border-color: var(--highlight);
}

.proof-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 0.375rem;
}

.proof-card p {
    margin-bottom: 0.875rem !important;
    font-size: 0.9375rem;
}

.proof-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.875rem;
    background: var(--accent);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
}

.proof-link:hover {
    background: var(--accent-dark);
    color: white;
}

.proof-link-inline {
    display: inline-flex;
    padding: 0.375rem 0.75rem;
    background: var(--accent-subtle);
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--accent-dark);
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
    text-decoration: none;
}

.proof-link-inline:hover {
    background: var(--bg-tertiary);
}

.proof-grid {
    margin: 1rem 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.875rem;
    margin: 1.5rem 0;
}

.stat-card {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.stat-card.highlight {
    background: var(--highlight-subtle);
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.25rem;
}

.stat-card.highlight .stat-number {
    color: var(--highlight);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Links Grid */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.link-card {
    padding: 0.875rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    text-decoration: none;
}

.link-card:hover {
    border-color: var(--accent);
}

.link-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.link-url {
    font-family: var(--font-mono);
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* Client List */
.client-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 0.5rem;
    list-style: none;
    padding: 0 !important;
    margin: 1rem 0;
}

.client-list li {
    padding: 0.625rem;
    background: var(--accent-subtle);
    border-radius: 6px;
    text-align: center;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--accent-dark) !important;
}

/* Tools List */
.tools-list {
    margin: 1.25rem 0;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.tool-item {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.tool-item:last-child {
    border-bottom: none;
}

.tool-item h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--accent-dark);
    margin-bottom: 0.25rem;
}

.tool-item p {
    margin-bottom: 0 !important;
    font-size: 0.875rem;
}

/* Convergence List */
.convergence-list {
    margin: 1.25rem 0;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.5rem;
}

.convergence-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem;
}

.convergence-item:hover {
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.convergence-source {
    font-weight: 700;
    color: var(--accent-dark);
    min-width: 100px;
    font-size: 0.875rem;
}

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

.convergence-result {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin: 1.25rem 0;
}

.feature-card {
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.feature-card:hover {
    background: var(--bg-tertiary);
}

.feature-card.highlight {
    background: var(--highlight-subtle);
}

.feature-card h4 {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.feature-card p {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0 !important;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

.closing-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--highlight-subtle);
    border-radius: 8px;
    text-align: center;
}

.closing-section p {
    margin-bottom: 0.5rem !important;
    color: var(--text-secondary);
}

.closing-section .emphasis {
    font-size: 1.25rem;
    font-weight: 700;
    font-style: italic;
    color: var(--highlight) !important;
    margin-top: 0.75rem !important;
}

.chapter-content .closing {
    font-weight: 600;
    color: var(--text-primary);
}

/* Chapter Navigation */
.chapter-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    max-width: var(--reading-width);
    margin: 2.5rem auto 0;
    padding: 2rem;
    border-top: 1px solid var(--border);
}

.chapter-nav-prev,
.chapter-nav-next {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    max-width: 220px;
    text-decoration: none;
}

.chapter-nav-prev {
    align-items: flex-start;
}

.chapter-nav-next {
    align-items: flex-end;
    text-align: right;
    margin-left: auto;
}

.chapter-nav-prev:hover,
.chapter-nav-next:hover {
    border-color: var(--accent);
}

.chapter-nav-prev span,
.chapter-nav-next span {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.chapter-nav-prev strong,
.chapter-nav-next strong {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
}

.chapter-nav-prev svg,
.chapter-nav-next svg {
    color: var(--accent);
    margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .convergence-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }
    
    .convergence-source {
        min-width: auto;
    }
    
    .convergence-arrow {
        display: none;
    }
    
    .chapter-nav {
        flex-direction: column;
    }
    
    .chapter-nav-prev,
    .chapter-nav-next {
        max-width: none;
    }
    
    .chapter-nav-next {
        align-items: flex-start;
        text-align: left;
    }
}