/* Chapter visibility */
.chapter-item.hidden {
    display: none;
}/* Syllabus Section - Clean Minimalist Design */
.syllabus-section {
    padding: 80px 40px;
    background: #f9fafb;
}

.syllabus-container {
    max-width: 800px;
    margin: 0 auto;
}

.syllabus-header {
    text-align: center;
    margin-bottom: 48px;
}

.syllabus-title {
    font-size: 2.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.syllabus-subtitle {
    font-size: 1.25rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Progress Bar */
.progress-bar {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
    padding: 24px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border-radius: 16px;
    border: 1px solid #d1d5db;
}

.progress-item {
    text-align: center;
    flex: 1;
}

.progress-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: #667eea;
    display: block;
    line-height: 1;
}

.progress-label {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 4px;
}

/* Course Section */
.course-block {
    margin-bottom: 16px;
}

.course-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 2px solid #e5e7eb;
}

.course-badge {
    display: inline-block;
    padding: 6px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 16px;
    margin-bottom: 12px;
}

.strategizer-badge {
    background: #f9fafb;
    color: #6b7280;
    border: 1px solid #e5e7eb;
}

.storyteller-badge {
    background: #f9fafb;
    color: #6b7280;
    border: 1px solid #e5e7eb;
}

.course-title {
    font-size: 1.875rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 12px;
}

.course-description {
    font-size: 1rem;
    color: #6b7280;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Chapter List */
.chapters-list {
    margin-bottom: 16px;
}

.chapter-item {
    margin-bottom: 8px;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
    background: white;
}

.chapter-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.chapter-item:hover .chapter-header {
    background: #f8f9fa;
}

.chapter-item.active .chapter-header {
    background: white;
}

.chapter-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    background: #667eea;
    color: white;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.ec-chapter .chapter-number {
    background: #10b981;
}

.theory-chapter .chapter-number {
    background: #f59e0b;
}

.chapter-info {
    flex: 1;
}

.chapter-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
    line-height: 1.3;
}

.chapter-subtitle {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.5;
}

.chapter-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: #f3f4f6;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.chapter-toggle svg {
    width: 16px;
    height: 16px;
    color: #6b7280;
    transition: transform 0.2s ease;
}

.chapter-item.active .chapter-toggle {
    background: #667eea;
}

.chapter-item.active .chapter-toggle svg {
    color: white;
    transform: rotate(180deg);
}

/* Expandable Content */
.chapter-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.chapter-item.active .chapter-content {
    max-height: 2000px;
}

.chapter-inner {
    padding: 0 20px 20px 20px;
    background: white;
}

.lessons-list {
    padding-top: 16px;
}

.lesson-item {
    padding: 16px 0;
    border-top: 1px solid #f3f4f6;
}

.lesson-item:first-child {
    border-top: none;
}

.lesson-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.lesson-number {
    font-size: 0.75rem;
    font-weight: 700;
    color: #667eea;
    background: #f0f4ff;
    padding: 4px 10px;
    border-radius: 6px;
    white-space: nowrap;
    margin-top: 2px;
}

.lesson-content {
    flex: 1;
}

.lesson-title {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
    line-height: 1.4;
}

.lesson-description {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.5;
}

/* Course CTA */
.course-cta-section {
    text-align: center;
    margin-bottom: 20px;
    padding: 4px;
    opacity: 0.7;
    line-height: 1.2;
}

.cta-preview {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 400;
    transition: color 0.2s ease;
}

.cta-preview:hover {
    color: #6b7280;
    text-decoration: underline;
    text-decoration-color: #6b7280;
}

.cta-separator {
    color: #9ca3af;
    font-size: 0.75rem;
    font-weight: 400;
}

.cta-bundle {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.cta-bundle:hover {
    color: #059669;
    text-decoration: underline;
    text-decoration-color: #059669;
}

/* Bundle Divider */
.bundle-divider {
    text-align: center;
    margin: 32px 0;
    position: relative;
}

.divider-line {
    height: 1px;
    background: #e5e7eb;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
}

.divider-text {
    background: #f9fafb;
    display: inline-block;
    padding: 0 16px;
    font-size: 0.75rem;
    color: #d1d5db;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

/* Dropdown Menu Style (from testimonials) */
.show-more-dropdown {
    text-align: center;
    margin: 20px 0 24px;
}

.dropdown-link {
    color: #667eea;
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
    background: none;
    padding: 8px 0;
}

.dropdown-link:hover {
    color: #5b6de8;
}

.dropdown-link svg {
    width: 12px;
    height: 12px;
    transition: transform 0.2s ease;
}

.dropdown-link.expanded svg {
    transform: rotate(180deg);
}

/* Main CTA Section */
.main-cta-section {
    text-align: center;
    margin: 16px 0 4px;
}

.main-cta {
    background: var(--color-cta-bg);
    color: var(--color-cta-text);
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    text-decoration: none;
    display: inline-block;
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.main-cta:hover {
    background: var(--color-cta-bg-hover);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .syllabus-section {
        padding: 60px 20px;
    }

    .course-block {
        margin-bottom: 16px;
    }

    .syllabus-title {
        font-size: 2rem;
    }

    .progress-bar {
        flex-wrap: wrap;
        gap: 12px;
    }

    .progress-item {
        flex: 1 1 45%;
    }

    .chapter-header {
        padding: 16px;
    }

    .chapter-inner {
        padding: 0 16px 16px 16px;
    }

    .course-cta-section {
        padding: 16px;
    }
}