/* ═══════════════════════════════════════════════════════════════
   BOOK CHAPTER STYLES
   ═══════════════════════════════════════════════════════════════ */
.chapter-hero {
    padding: calc(var(--spacing-xxl) + 70px) var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--cream-deep);
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-warm) 100%);
    /* text-align removed for left justification */
}
.chapter-hero__part {
    font-family: var(--font-important);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-ultra);
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 0.75rem;
}
.chapter-hero__number {
    font-family: var(--font-display);
    font-size: var(--text-base);
    color: var(--gold);
    margin-bottom: 1.25rem;
}
.chapter-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: var(--weight-light);
    line-height: var(--leading-snug);
    margin-bottom: 1.75rem;
    color: var(--black);
}
.chapter-hero__epigraph {
    font-family: var(--font-body);
    font-style: normal;
    font-size: var(--text-md);
    color: var(--earth);
    line-height: var(--leading-relaxed);
}

.chapter-content {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--ivory);
}
.chapter-content .container {
    max-width: var(--max-width-narrow);
}
.chapter-content h2 {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-normal);
    margin: 3.5rem 0 1.75rem;
    color: var(--black);
    line-height: var(--leading-snug);
}
.chapter-content h2:first-child {
    margin-top: 0;
}
.chapter-content p {
    font-size: var(--text-base);
    line-height: var(--leading-loose);
    margin-bottom: 1.75rem;
    color: var(--earth);
}
.chapter-content p strong {
    color: var(--black);
    font-weight: var(--weight-medium);
}
.chapter-content blockquote {
    margin: 2.5rem 0;
    padding: 2rem 2.5rem;
    background: var(--cream-warm);
    border-left: 4px solid var(--gold);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-style: normal;
    color: var(--earth);
    line-height: var(--leading-relaxed);
}
.chapter-content blockquote p {
    margin-bottom: var(--spacing-sm);
    color: var(--earth);
}
.chapter-content blockquote p:last-child {
    margin-bottom: 0;
}
.chapter-content blockquote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-style: normal;
    font-size: var(--text-sm);
    color: var(--gold-deep);
}

/* Insight Table — For reframe comparisons (Intelligence Inversion chapter) */
.insight-table {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin: 2.5rem 0;
}
.insight-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm-plus);
    padding: var(--spacing-sm-plus);
    background: var(--cream);
    border: 1px solid var(--cream-deep);
    transition: var(--transition);
}
.insight-row:hover {
    background: var(--ivory);
    border-color: var(--gold-30);
}
.insight-old {
    color: var(--earth);
    padding-right: var(--spacing-sm-plus);
    border-right: 1px solid var(--cream-deep);
}
.insight-new {
    color: var(--black);
    padding-left: var(--spacing-xs);
}
.insight-old strong,
.insight-new strong {
    display: block;
    font-family: var(--font-important);
    font-size: var(--text-2xs);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}
.insight-old strong {
    color: var(--burgundy);
}
.insight-new strong {
    color: var(--gold-deep);
}

@media (max-width: 768px) {
    .insight-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    .insight-old {
        border-right: none;
        border-bottom: 1px solid var(--cream-deep);
        padding-right: 0;
        padding-bottom: var(--spacing-sm);
    }
    .insight-new {
        padding-left: 0;
    }
}

.chapter-nav {
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--cream);
    border-top: 1px solid var(--cream-deep);
}
.chapter-nav__links {
    display: flex;
    justify-content: space-between;
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}
.chapter-nav__link {
    font-family: var(--font-important);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--gold-deep);
    text-decoration: none;
    border: none;
    transition: color 0.3s ease;
}
.chapter-nav__link:hover {
    color: var(--gold);
}
.chapter-nav__link--disabled {
    opacity: 0.4;
    pointer-events: none;
}

@media (max-width: 768px) {
    .chapter-hero {
        padding: calc(80px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-lg);
    }
    .chapter-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    /* Blockquotes: reduce side padding for wider text on tablets */
    .chapter-content blockquote {
        padding: 1.25rem 1rem;
        margin: var(--spacing-md) 0;
    }
    /* Key concept: reduce padding for more text width */
    .key-concept {
        padding: 1.25rem 1rem 1.25rem 1rem;
        margin: 2rem 0;
    }
    .key-concept::before {
        left: 1rem;
    }
    /* Lists: reduce left padding on tablets */
    .chapter-content ul,
    .chapter-content ol {
        padding-left: 1.25rem;
    }
}

/* Mobile phone ebook reading - moved to consolidated 480px block below */

/* ═══════════════════════════════════════════════════════════════════════════
   BOOK SECTION — ELEGANT ENHANCEMENTS
   Museum-quality typography and layout for long-form reading
   ═══════════════════════════════════════════════════════════════════════════ */

/* Chapter Meta Card — Reading time, themes, related chapters */
.chapter-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm-plus);
    margin: 2.5rem 0 3rem;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-warm) 100%);
    border: 1px solid var(--gold-20);
    border-top: 3px solid var(--gold);
}
.chapter-meta__item {
    /* text-align removed for left justification */
    padding: 0.75rem;
}
.chapter-meta__label {
    display: block;
    font-family: var(--font-important);
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--gold-deep);
    margin-bottom: var(--spacing-xs);
}
.chapter-meta__value {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--earth);
    line-height: var(--leading-relaxed);
}

/* Key Concept Callout */
.key-concept {
    margin: 2.5rem 0;
    padding: 2rem 2.5rem;
    background: linear-gradient(135deg, rgba(30, 95, 95, 0.08) 0%, rgba(30, 95, 95, 0.03) 100%);
    border-left: 4px solid var(--teal);
    position: relative;
}
.key-concept::before {
    content: 'Key Concept';
    position: absolute;
    top: -0.75rem;
    left: 2rem;
    font-family: var(--font-important);
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--teal);
    background: var(--ivory);
    padding: 0.25rem 0.75rem;
}
.key-concept p {
    margin: 0;
    font-size: 1.05rem;
    line-height: var(--leading-relaxed);
    color: var(--earth);
}
.key-concept p strong {
    color: var(--teal-deep);
}

/* Teachers Overview in Chapter Content — Flatten to simple grid
   When .teachers-overview is used inside chapter content (e.g., ch05-ambient-pressure),
   remove the full-section styling to avoid card-within-card nesting.
   Keep it as a simple inline element that displays the teacher icons. */
.chapter-content .teachers-overview {
    background: transparent;
    padding: var(--spacing-md) 0;
    margin: var(--spacing-md) 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
}
.chapter-content .teachers-overview::before {
    display: none;
}
.chapter-content .teacher-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1rem;
    background: var(--cream);
    border: 1px solid var(--gold-20);
    border-radius: 0.25rem;
}
.chapter-content .teacher-item__icon {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--text-md);
    color: var(--gold);
    background: var(--gold-10);
    border-radius: 50%;
}
.chapter-content .teacher-item__name {
    font-family: var(--font-important);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--charcoal);
    letter-spacing: var(--tracking-wide);
}

/* Pull Quote — Dramatic extracted text */
.pull-quote {
    margin: 3rem -2rem;
    padding: 2.5rem 3rem;
    background: var(--cream-warm);
    border-top: 1px solid var(--gold-20);
    border-bottom: 1px solid var(--gold-20);
    /* text-align removed for left justification */
}
.pull-quote p {
    font-family: var(--font-body);
    font-size: 1.5rem;
    font-weight: var(--weight-normal);
    line-height: var(--leading-relaxed);
    color: var(--black);
    margin: 0;
}
.pull-quote p::before {
    content: '"';
    color: var(--gold);
}
.pull-quote p::after {
    content: '"';
    color: var(--gold);
}

/* Drop Cap for Chapter Opening */
.chapter-content > p:first-of-type::first-letter {
    float: left;
    font-family: var(--font-display);
    font-size: 4rem;
    line-height: 0.8;
    padding-right: 0.75rem;
    padding-top: var(--spacing-2xs);
    color: var(--burgundy);
}

/* Chapter Lists — Elegant styling */
.chapter-content ul,
.chapter-content ol {
    margin: 1.5rem 0 2rem;
    padding-left: var(--spacing-sm-plus);
}
.chapter-content li {
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    color: var(--earth);
    margin-bottom: 0.75rem;
    padding-left: var(--spacing-xs);
}
.chapter-content li::marker {
    color: var(--gold);
}

/* Section Divider */
.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 3rem 0;
    gap: var(--spacing-sm-plus);
}
.section-divider::before,
.section-divider::after {
    content: '';
    height: 1px;
    flex: 1;
    background: linear-gradient(90deg, transparent, var(--gold-pale), transparent);
}
.section-divider span {
    font-family: var(--font-display);
    font-size: var(--text-md);
    color: var(--gold);
}

/* Chapter Footer Navigation */
.chapter-footer {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md-plus);
    border-top: 1px solid var(--gold-20);
}
.chapter-footer__nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}
.chapter-footer__link {
    padding: var(--spacing-sm-plus);
    background: var(--cream);
    border: 1px solid var(--gold-15);
    text-decoration: none;
    transition: all 0.3s ease;
}
.chapter-footer__link:hover {
    background: var(--cream-warm);
    border-color: var(--gold);
    transform: translateY(-2px);
}
.chapter-footer__link--prev {
    text-align: left;
}
.chapter-footer__link--next {
    text-align: right;
}
.chapter-footer__direction {
    display: block;
    font-family: var(--font-important);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--gold-deep);
    margin-bottom: var(--spacing-xs);
}
.chapter-footer__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--black);
}


/* Book Table of Contents Styling */
.book-toc {
    padding: var(--spacing-xl) 0;
    background: var(--ivory);
}
.book-toc .container {
    max-width: var(--max-width);
}
.toc-part {
    margin-bottom: 3rem;
}
.toc-part__header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-sm-plus);
    margin-bottom: var(--spacing-sm-plus);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gold-20);
}
.toc-part__number {
    font-family: var(--font-important);
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--burgundy);
}
.toc-part__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--weight-normal);
    color: var(--black);
    letter-spacing: var(--tracking-normal);
}

/* TOC Part Variants */
.toc-part--eighth {
    border-top: 3px solid var(--eighth-primary);
}
.toc-part--eighth .toc-part__number {
    color: var(--eighth-primary);
}

/* TOC Part Description */
.toc-part__description {
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
    font-size: var(--text-sm);
    color: var(--text-muted);
    line-height: var(--leading-relaxed);
}

/* TOC Chapter Cards — Progressive Disclosure */
.toc-chapters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}
.toc-chapter {
    display: grid;
    grid-template-columns: 3.5rem 1fr auto;
    grid-template-rows: auto auto;
    gap: 0 1.25rem;
    align-items: start;
    padding: var(--spacing-sm);
    background: var(--cream);
    border: 1px solid transparent;
    border-radius: 0.25rem;
    text-decoration: none;
    transition: all 0.3s ease;
}
.toc-chapter:hover,
.toc-chapter:focus {
    background: var(--cream-warm);
    border-color: var(--gold-30);
    box-shadow: 0 4px 20px var(--black-05);
}
.toc-chapter__number {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: var(--weight-normal);
    color: var(--gold);
    grid-row: 1;
    padding-top: 0.1rem;
}
.toc-chapter__info {
    display: flex;
    flex-direction: column;
    gap: 0;
    grid-column: 2;
    grid-row: 1 / 3;
}
.toc-chapter__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: var(--weight-normal);
    color: var(--black);
    letter-spacing: var(--tracking-tight);
    transition: color 0.3s ease;
}
.toc-chapter:hover .toc-chapter__title {
    color: var(--gold-deep);
}
/* Preview — hidden by default, revealed on hover */
.toc-chapter__preview {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--earth);
    line-height: 1.6;
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin 0.3s ease;
    margin-top: 0;
}
.toc-chapter:hover .toc-chapter__preview,
.toc-chapter:focus .toc-chapter__preview {
    max-height: 4rem;
    opacity: 1;
    margin-top: var(--spacing-xs);
}
.toc-chapter__meta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    grid-column: 3;
    grid-row: 1;
}
.toc-chapter__reading-time {
    font-family: var(--font-important);
    font-size: 0.65rem;
    font-weight: var(--weight-medium);
    letter-spacing: 0.08em;
    color: var(--clay-readable);
    padding: 0.3rem 0.6rem;
    background: var(--gold-12);
    border-radius: 0.2rem;
    white-space: nowrap;
}
.toc-chapter__status {
    font-family: var(--font-important);
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
}
.toc-chapter__status--live {
    background: rgba(30, 95, 95, 0.12);
    color: var(--teal);
}
.toc-chapter__status--draft {
    background: var(--gold-15);
    color: var(--gold-deep);
}

/* Touch devices & mobile: always show full preview */
@media (hover: none), (max-width: 768px) {
    .toc-chapter__preview {
        max-height: none;
        opacity: 1;
        margin-top: 0.4rem;
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .chapter-meta {
        grid-template-columns: 1fr 1fr;
        padding: 1.25rem;
        gap: var(--spacing-sm);
    }
    .chapter-meta__item {
        padding: var(--spacing-xs);
    }
    .pull-quote {
        margin: 2rem -0.5rem;
        padding: 1.25rem 1rem;
    }
    .pull-quote p {
        font-size: var(--text-md);
    }
    .chapter-footer__nav {
        grid-template-columns: 1fr;
    }
    .chapter-footer__link {
        padding: 1.25rem;
    }
    .toc-chapter {
        grid-template-columns: 2.5rem 1fr;
        gap: 0.75rem;
        padding: var(--spacing-sm);
    }
    .toc-chapter__info {
        grid-row: 1;
    }
    .toc-chapter__meta {
        grid-column: 2;
        grid-row: 2;
        margin-top: 0.75rem;
    }
    .toc-chapter__preview {
        font-size: 1rem;
        margin-top: var(--spacing-xs);
    }
    .toc-chapter__reading-time {
        font-size: 0.6rem;
        padding: 0.25rem 0.5rem;
    }
}

/* Mobile phone reading widths — comfortable text on small screens
   Goal: Text should occupy 85-90% of screen width on mobile phones.
   No element should create unnecessarily narrow text columns. */
@media (max-width: 480px) {
    /* Reduce chapter hero padding for more text width */
    .chapter-hero {
        padding: calc(70px + var(--spacing-md)) 12px var(--spacing-md);
    }

    /* Reduce chapter content padding significantly - 12px sides for ~90% text width */
    .chapter-content {
        padding: var(--spacing-md) 12px;
    }

    /* Blockquotes: minimal side padding, let border-left be the only left element
       Total left: 4px border + 12px padding = 16px
       Right padding: 12px to match */
    .chapter-content blockquote {
        padding: 1rem 12px 1rem 12px;
        margin: 1.5rem 0;
        margin-left: 0;
        margin-right: 0;
    }

    /* Chapter meta: single column on phones with minimal padding */
    .chapter-meta {
        grid-template-columns: 1fr;
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
        margin: 1.5rem 0 2rem;
    }
    .chapter-meta__item {
        padding: var(--spacing-xs);
    }

    /* Key concept callout: minimal padding, account for 4px border-left
       Left: 4px border + 10px padding = 14px total
       Right: 10px to nearly match */
    .key-concept {
        padding: 1rem 10px 1rem 10px;
        margin: 1.5rem 0;
    }
    .key-concept::before {
        left: 10px;
        font-size: 0.6rem;
        padding: 0.2rem 0.5rem;
    }

    /* Pull quotes: full width on mobile - no negative margins that misalign
       Use minimal padding to maximize text width */
    .pull-quote {
        margin: 1.5rem 0;
        padding: 1.25rem 12px;
    }
    .pull-quote p {
        font-size: var(--text-base);
    }

    /* Chapter footer nav: tighter padding */
    .chapter-footer__link {
        padding: 0.875rem;
    }
    .chapter-footer__title {
        font-size: 1rem;
    }

    /* Insight table: tighter on mobile */
    .insight-row {
        padding: 0.875rem;
    }

    /* Lists: minimal left padding - 1rem total for marker + text indent
       This gives text maximum width while maintaining readability */
    .chapter-content ul,
    .chapter-content ol {
        padding-left: var(--spacing-sm);
        margin-left: 0;
    }
    .chapter-content li {
        padding-left: var(--spacing-2xs);
    }

    /* Teaching insight: ensure it doesn't get cramped */
    .teaching-card .teaching-insight {
        padding-top: var(--spacing-sm);
        margin-top: 1.25rem;
    }
}

/* ═══════════════════════════════════════════════════════════════
   BOOK COVER — Fitzcarraldo meets the Bible
   Full-viewport title page with gold flourishes on dark binding
   ═══════════════════════════════════════════════════════════════ */

.book-cover {
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--black);
    position: relative;
    overflow: hidden;
}

/* Subtle texture overlay */
.book-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 50% 0%, rgba(196, 168, 85, 0.03), transparent),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(196, 168, 85, 0.02), transparent);
    pointer-events: none;
}

.book-cover__inner {
    position: relative;
    z-index: 1;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
}

/* Gold flourish — top ornament */
.book-cover__flourish {
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.7;
    letter-spacing: 1rem;
}

/* Edition marker */
.book-cover__edition {
    font-family: var(--font-important);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-extreme);
    text-transform: uppercase;
    color: var(--gold-deep);
    margin-bottom: var(--spacing-md);
}

/* Decorative rule — gold line */
.book-cover__rule {
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: var(--spacing-md) 0;
    opacity: 0.6;
}

.book-cover__rule--long {
    width: 120px;
}

/* Main title */
.book-cover__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--weight-normal);
    line-height: 1;
    color: var(--gold);
    letter-spacing: var(--tracking-widest);
    margin: var(--spacing-sm) 0;
    text-shadow: 0 0 60px rgba(196, 168, 85, 0.3);
}

/* Section symbol inline with title */
.book-cover__section {
    color: var(--gold);
    text-shadow: 0 0 20px var(--gold-40);
}

/* Section symbol as devotional mark (legacy) */
.book-cover__symbol {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 6rem);
    color: var(--gold);
    opacity: 0.4;
    margin: var(--spacing-md) 0;
    line-height: 1;
}

/* Subtitle */
.book-cover__subtitle {
    font-family: var(--font-body);
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    font-weight: var(--weight-light);
    color: var(--cream-warm);
    letter-spacing: var(--tracking-wide);
    line-height: var(--leading-relaxed);
    max-width: 400px;
    margin-top: var(--spacing-md);
    opacity: 0.85;
}

/* Scroll indicator */
.book-cover__scroll {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gold-deep);
    opacity: 0.5;
    font-family: var(--font-important);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    animation: pulse-subtle 3s ease-in-out infinite;
}

.book-cover__scroll-arrow {
    font-size: 1.25rem;
    animation: bounce-subtle 2s ease-in-out infinite;
}

@keyframes pulse-subtle {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

@keyframes bounce-subtle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(4px); }
}

/* Staggered fade-in animations for cover elements */
.book-cover__flourish {
    animation: fade-in-up 1.2s ease-out 0.2s both;
}
.book-cover__edition {
    animation: fade-in-up 1s ease-out 0.5s both;
}
.book-cover__rule {
    animation: fade-in-scale 1s ease-out 0.7s both;
}
.book-cover__title {
    animation: fade-in-up 1.2s ease-out 0.9s both;
}
.book-cover__symbol {
    animation: fade-in-up 1.5s ease-out 1.2s both;
}
.book-cover__rule--long {
    animation: fade-in-scale 1s ease-out 1.5s both;
}
.book-cover__subtitle {
    animation: fade-in-up 1s ease-out 1.7s both;
}
.book-cover__scroll {
    animation: fade-in-up 1s ease-out 2.2s both;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-scale {
    from {
        opacity: 0;
        transform: scaleX(0);
    }
    to {
        opacity: 0.6;
        transform: scaleX(1);
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .book-cover {
        padding: calc(var(--spacing-xl) + 60px) var(--spacing-sm) var(--spacing-lg);
    }
    .book-cover__flourish {
        letter-spacing: 0.5rem;
        font-size: 1.25rem;
        margin-top: var(--spacing-md);
    }
    .book-cover__scroll {
        bottom: var(--spacing-md);
    }
}

/* Book Index Hero (now secondary, below cover) */
.book-hero {
    padding: var(--spacing-xl) var(--spacing-md);
    /* text-align removed for left justification */
    border-bottom: 1px solid var(--cream-deep);
    background: linear-gradient(180deg, var(--cream) 0%, var(--cream-warm) 100%);
}
.book-hero__edition {
    font-family: var(--font-important);
    font-size: var(--text-xs);
    letter-spacing: var(--tracking-extreme);
    text-transform: uppercase;
    color: var(--burgundy);
    margin-bottom: 1.25rem;
}
.book-hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: var(--weight-light);
    line-height: var(--leading-tight);
    margin-bottom: 0.75rem;
    color: var(--black);
    letter-spacing: var(--tracking-wide);
}
.book-hero__subtitle {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: var(--weight-normal);
    color: var(--earth);
    margin-bottom: var(--spacing-md-plus);
}
.book-hero__note {
    font-size: var(--text-sm);
    color: var(--earth);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--leading-loose);
}

/* Book Table of Contents */
.toc {
    padding: var(--spacing-xl) 0;
    background: var(--ivory);
}