/* Reset and Base Styles - Mobile First */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Mobile Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.header-content {
    padding: 0.75rem 1rem;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.menu-toggle,
.progress-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #667eea;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.menu-toggle:hover,
.progress-toggle:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.1);
}

.header-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0;
    text-align: center;
    flex: 1;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(224, 230, 237, 0.5);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #45a049);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: #667eea;
    min-width: 60px;
    text-align: right;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: absolute;
    left: 0;
    top: 0;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: white;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.mobile-menu-overlay.active .mobile-menu {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #e0e6ed;
    background: #f8f9fa;
}

.mobile-menu-header h3 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.2rem;
}

.menu-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #666;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-content {
    padding: 1rem;
}

/* Mobile Table of Contents */
.mobile-toc {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.mobile-toc-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    text-decoration: none;
    color: #2c3e50;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.mobile-toc-item:hover {
    background: #e9ecef;
    border-left-color: #667eea;
    color: #667eea;
}

.mobile-toc-item.active {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-left-color: #667eea;
    color: #667eea;
    font-weight: 600;
}

.mobile-toc-item span {
    flex: 1;
    font-size: 0.95rem;
}

.mobile-toc-item i {
    color: #999;
    font-size: 0.8rem;
}

/* Progress Info Dropdown */
.progress-info {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    padding: 1rem;
    min-width: 200px;
    z-index: 1001;
    opacity: 0;
    transform: translateY(-10px);
    visibility: hidden;
    transition: all 0.3s ease;
}

.progress-info.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.progress-info h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.progress-info p {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.progress-info .progress-stat {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    border-bottom: 1px solid #f0f0f0;
}

.progress-info .progress-stat:last-child {
    border-bottom: none;
}

/* Main Layout - Mobile First */
.main {
    padding: 1rem;
    min-height: calc(100vh - 120px);
}

.slide-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    max-width: 100%;
}

/* Slides - Mobile First */
.slide {
    display: none;
    min-height: calc(100vh - 240px); /* Adjusted for fixed navigation */
    padding: 1rem 1rem 5rem 1rem; /* Added bottom padding for fixed navigation */
    position: relative;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.4s ease;
}

.slide.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.slide-content {
    max-width: 100%;
    margin: 0 auto;
    padding-bottom: 80px; /* Space for navigation */
}

/* Title Slide - Mobile Optimized */
.title-slide {
    text-align: center;
    padding: 2rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: calc(100vh - 250px);
}

.main-title {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    margin-bottom: 1.5rem;
    font-weight: 400;
    line-height: 1.4;
}

.intro-text {
    font-size: 1rem;
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.6;
    padding: 0 0.5rem;
}

.intro-text br {
    display: none; /* Remove line breaks on mobile */
}

.start-button-container {
    margin-top: 2rem;
}

.start-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    width: 100%;
    max-width: 280px;
}

.start-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.start-button i {
    margin-right: 0.5rem;
}

/* Slide Titles - Mobile First */
.slide-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #667eea;
    text-align: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.slide-number {
    display: inline-block;
    background: #e74c3c;
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 15px;
    font-size: 0.8rem;
    margin-right: 0.5rem;
    font-weight: 500;
}

/* Content Boxes - Mobile First */
.content-box {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.key-point {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-left: 3px solid #667eea;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 0 8px 8px 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.key-point h3 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.key-point i {
    color: #667eea;
    margin-right: 0.5rem;
}

.bullet-points ul {
    list-style: none;
    padding-left: 0;
}

.bullet-points li {
    padding: 0.4rem 0;
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.bullet-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Chapter Intro - Mobile First */
.chapter-intro {
    text-align: center;
    padding: 1.5rem 0;
}

.chapter-icon {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.chapter-icon i {
    font-size: 1.5rem;
    color: white;
}

.chapter-intro h3 {
    font-size: 1.4rem;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.mindset-overview {
    margin-top: 2rem;
}

.mindset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 2rem;
}

.mindset-item {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    color: #667eea;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.mindset-item:hover {
    transform: translateY(-3px);
}

/* Principle Box - Mobile First */
.principle-box {
    display: flex;
    align-items: flex-start;
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.1);
}

.principle-icon {
    width: 40px;
    height: 40px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.principle-icon i {
    font-size: 1rem;
    color: white;
}

.principle-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.highlight {
    color: #4CAF50;
    font-weight: 600;
    font-size: 1.1rem;
}

/* Explanation Box - Mobile First */
.explanation-box {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.explanation-box h4 {
    color: #667eea;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.explanation-box ul {
    list-style: none;
    padding-left: 0;
}

.explanation-box li {
    padding: 0.6rem 0;
    position: relative;
    padding-left: 1.5rem;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.explanation-box li:last-child {
    border-bottom: none;
}

.explanation-box li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Concept Visual */
.concept-visual {
    text-align: center;
    margin: 2rem 0;
}

.company-metaphor {
    background: linear-gradient(135deg, #667eea10, #764ba210);
    border-radius: 15px;
    padding: 2rem 1.25rem;
}

.company-icon {
    display: inline-block;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.company-icon i {
    font-size: 2.5rem;
    color: white;
}

.company-metaphor h3 {
    color: #2c3e50;
    font-size: 1.5rem;
}

/* Mindset Shift */
.mindset-shift {
    margin: 2rem 0;
}

.shift-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.before, .after {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 200px;
}

.before {
    border-left: 4px solid #e74c3c;
}

.after {
    border-left: 4px solid #4CAF50;
}

.label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.before .label {
    color: #e74c3c;
}

.after .label {
    color: #4CAF50;
}

.arrow {
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

.transformation-text {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    font-style: italic;
    color: #555;
    margin-top: 2rem;
}

/* Antenna Concept */
.antenna-concept {
    text-align: center;
    margin: 2rem 0;
}

.antenna-visual {
    display: inline-block;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FF6B6B, #4ECDC4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.antenna-visual i {
    font-size: 2rem;
    color: white;
}

.antenna-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.example-box {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.example-box:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.example-box h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.example-box i {
    margin-right: 0.5rem;
}

/* Navigation - Mobile First */
.navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #e0e6ed;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

/* Desktop Navigation Enhancement */
@media (min-width: 1024px) {
    .navigation {
        display: none; /* Hide bottom navigation on desktop */
    }
    
    .slide {
        margin-bottom: 1rem;
        padding-bottom: 2rem;
    }
    
    /* Desktop side navigation */
    .desktop-nav-left,
    .desktop-nav-right {
        position: fixed;
        top: 50%;
        transform: translateY(-50%);
        z-index: 1000;
        background: rgba(255, 255, 255, 0.95);
        border: 2px solid #667eea;
        border-radius: 50px;
        padding: 1rem;
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        transition: all 0.3s ease;
        cursor: pointer;
        backdrop-filter: blur(10px);
        display: block;
    }
    
    .desktop-nav-left {
        left: 20px;
    }
    
    .desktop-nav-right {
        right: 20px;
    }
    
    .desktop-nav-left:hover,
    .desktop-nav-right:hover {
        background: #667eea;
        color: white;
        transform: translateY(-50%) scale(1.1);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    }
    
    .desktop-nav-left:disabled,
    .desktop-nav-right:disabled {
        opacity: 0.3;
        cursor: not-allowed;
        transform: translateY(-50%);
    }
    
    .desktop-nav-left:disabled:hover,
    .desktop-nav-right:disabled:hover {
        background: rgba(255, 255, 255, 0.95);
        color: inherit;
        transform: translateY(-50%);
    }
    
    .desktop-nav-btn {
        background: none;
        border: none;
        font-size: 1.5rem;
        color: #667eea;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100%;
    }
    
    .desktop-nav-left:hover .desktop-nav-btn,
    .desktop-nav-right:hover .desktop-nav-btn {
        color: white;
    }
}

.nav-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    min-width: 80px;
    justify-content: center;
}

.nav-btn:hover {
    background: #5a6fd8;
    transform: translateY(-2px);
}

.nav-btn:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
}

.slide-indicator {
    font-weight: 500;
    color: #666;
    font-size: 0.85rem;
    text-align: center;
    min-width: 80px;
}

/* Sidebar - Removed for mobile-first design */

.sidebar h3 i {
    color: #667eea;
    margin-right: 0.5rem;
}

.toc {
    list-style: none;
}

.toc > li {
    margin-bottom: 0.5rem;
}

.toc a {
    color: #555;
    text-decoration: none;
    padding: 0.5rem;
    display: block;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.toc a:hover {
    background: #667eea10;
    color: #667eea;
}

.toc a.active {
    background: #667eea;
    color: white;
}

.chapter {
    margin: 1rem 0;
}

.chapter-title {
    font-weight: 600;
    color: #2c3e50;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e0e6ed;
    margin-bottom: 0.5rem;
}

.sub-items {
    list-style: none;
    padding-left: 1rem;
}

.sub-items a {
    font-size: 0.9rem;
    padding: 0.3rem 0.5rem;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

/* Responsive Design - Mobile First Enhanced */
/* Base styles are already mobile-first above */

/* Tablet and Desktop Enhancements */
@media (min-width: 768px) {
    .main {
        padding: 1.5rem;
    }
    
    .slide {
        padding: 2rem;
        margin: 1rem;
        max-width: calc(100% - 2rem);
        min-height: calc(100vh - 180px);
    }
    
    .navigation {
        padding: 1.5rem 2rem;
    }
    
    .main-title {
        font-size: 2.2rem;
    }
    
    .slide-title {
        font-size: 1.6rem;
    }
}

@media (min-width: 1024px) {
    .main {
        padding: 2rem;
    }
    
    .slide {
        padding: 2.5rem;
        margin: 1.5rem auto;
        max-width: 900px;
        min-height: calc(100vh - 200px);
    }
    
    .navigation {
        padding: 1.5rem 3rem;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .slide-title {
        font-size: 1.8rem;
    }
}


/* Additional Styles for Extended Content */
.value-proposition {
    margin: 2rem 0;
}

.confidence-builder {
    background: white;
    border: 2px solid #667eea;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.confidence-builder h4 {
    color: #667eea;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.confidence-builder h4 i {
    color: #667eea;
}

/* Icon List Styles */
.icon-list {
    list-style: none;
    padding-left: 0;
}

.icon-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    line-height: 1.5;
}

.icon-list li i {
    color: #4CAF50;
    font-size: 1rem;
    margin-top: 0.1rem;
    flex-shrink: 0;
}

/* Case Study Overview Styles */
.case-overview h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.case-preview {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.case-preview:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.case-preview-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.case-preview-icon i {
    color: white;
    font-size: 1.2rem;
}

.case-preview h4 {
    color: #2c3e50;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.case-preview p {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Case Study Detail Styles */
.case-study-detail {
    max-width: 100%;
}

.case-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea10, #764ba210);
    border-radius: 12px;
}

.case-icon-large {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-icon-large i {
    color: white;
    font-size: 1.8rem;
}

.case-title h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.case-subtitle {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
}

.case-story {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.story-section {
    background: white;
    border-left: 4px solid #667eea;
    padding: 1.25rem;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.story-section h4 {
    color: #667eea;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.story-section p {
    line-height: 1.6;
    color: #333;
}

.impact-section {
    border-left-color: #4CAF50;
}

.impact-section h4 {
    color: #4CAF50;
}

.quote {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    position: relative;
    font-style: italic;
}

.quote i {
    color: #667eea;
    font-size: 1.2rem;
}

.quote .fa-quote-left {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
}

.quote .fa-quote-right {
    position: absolute;
    bottom: 0.5rem;
    right: 0.5rem;
}

.quote p {
    margin: 0.5rem 1.5rem;
    color: #2c3e50;
    font-weight: 500;
}

/* Enhanced Chapter Intro Styles */
.chapter-intro-enhanced {
    padding: 1.5rem 0;
}

.chapter-hero {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.chapter-icon-large {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chapter-icon-large i {
    font-size: 2.5rem;
    color: white;
}

.chapter-overview {
    flex: 1;
}

.chapter-overview h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chapter-overview p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #555;
}

.learning-objectives {
    margin-bottom: 2rem;
}

.learning-objectives h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.objectives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.objective-card {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.objective-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.objective-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.objective-icon i {
    color: white;
    font-size: 1.3rem;
}

.objective-card h5 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.objective-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
}

.chapter-benefits {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.5rem;
}

.chapter-benefits h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.benefits-showcase {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.benefit-item {
    text-align: center;
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    min-width: 120px;
}

.benefit-number {
    font-size: 2rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.benefit-text {
    font-size: 0.9rem;
    color: #555;
    font-weight: 500;
}

.benefit-arrow {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Communication Principles Styles */
.communication-principles {
    margin: 2rem 0;
}

.communication-principles h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.principles-flow {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.principle-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    width: 100%;
    max-width: 500px;
    transition: all 0.3s ease;
}

.principle-step:hover {
    border-color: #667eea;
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-icon {
    width: 35px;
    height: 35px;
    background: #f8f9fa;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.75rem;
}

.step-icon i {
    color: #667eea;
    font-size: 1rem;
}

.step-content h5 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.step-content p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.flow-arrow {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0.5rem 0;
}

/* Chapter Impact Styles */
.chapter-impact {
    margin-top: 2rem;
}

.impact-card {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
}

.impact-icon {
    width: 60px;
    height: 60px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.impact-icon i {
    color: white;
    font-size: 1.5rem;
}

.impact-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: #4CAF50;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #555;
    font-weight: 500;
}

.impact-description {
    color: #2c3e50;
    font-weight: 500;
    margin: 0;
}

/* Trust Building Cycle Styles */
.trust-building-cycle {
    margin: 2rem 0;
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
}

.trust-building-cycle h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.cycle-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cycle-step {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    min-width: 150px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.cycle-step:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.cycle-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.cycle-icon i {
    color: white;
    font-size: 1.2rem;
}

.cycle-content h5 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
}

.cycle-content p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
    line-height: 1.4;
}

.cycle-arrow {
    color: #667eea;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Influence Factors Styles */
.influence-factors {
    margin: 2rem 0;
}

.influence-factors h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.factors-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.factor-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.factor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.factor-card.gold::before {
    background: linear-gradient(135deg, #FFD700, #FFA500);
}

.factor-card.silver::before {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
}

.factor-card.bronze::before {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
}

.factor-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.factor-card .factor-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.factor-card.gold .factor-icon {
    background: linear-gradient(135deg, #FFD700, #FFA500);
}

.factor-card.silver .factor-icon {
    background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
}

.factor-card.bronze .factor-icon {
    background: linear-gradient(135deg, #CD7F32, #B8860B);
}

.factor-card .factor-icon i {
    color: white;
    font-size: 1.5rem;
}

.factor-card h5 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.factor-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.factor-benefit {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    color: #4CAF50;
    font-weight: 600;
}

/* Growth Journey Styles */
.growth-journey {
    margin: 2rem 0;
}

.growth-journey h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.journey-path {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.journey-step {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    width: 100%;
    max-width: 600px;
    position: relative;
    transition: all 0.3s ease;
}

.journey-step:hover {
    border-color: #667eea;
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.journey-step.step-1 {
    border-left-color: #4CAF50;
    border-left-width: 5px;
}

.journey-step.step-2 {
    border-left-color: #FF9800;
    border-left-width: 5px;
}

.journey-step.step-3 {
    border-left-color: #9C27B0;
    border-left-width: 5px;
}

.journey-number {
    position: absolute;
    top: -10px;
    left: 20px;
    background: #667eea;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.journey-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.journey-icon i {
    color: white;
    font-size: 1.3rem;
}

.journey-content h5 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    font-weight: 600;
}

.journey-content > p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.journey-points {
    list-style: none;
    padding-left: 0;
}

.journey-points li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.95rem;
}

.journey-points li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

.journey-connector {
    color: #667eea;
    font-size: 2rem;
    font-weight: bold;
    margin: 0.5rem 0;
}

/* Success Metrics Styles */
.success-metrics {
    background: linear-gradient(135deg, #667eea10, #764ba210);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
}

.success-metrics h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.metric-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.metric-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.metric-icon i {
    color: white;
    font-size: 1rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: #4CAF50;
    margin-bottom: 0.5rem;
}

.metric-label {
    color: #666;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Enhanced Objection Handling Styles */
.objection-handling-enhanced {
    padding: 1rem 0;
}

.objection-intro {
    margin-bottom: 2rem;
}

.intro-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 15px;
    padding: 2rem;
}

.intro-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.intro-icon i {
    color: white;
    font-size: 1.5rem;
}

.intro-content h3 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.intro-content p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.common-objections-detailed h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.objection-card {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.objection-card:hover {
    border-color: #667eea;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.1);
}

.objection-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}

.objection-icon {
    width: 40px;
    height: 40px;
    background: #FF5722;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.objection-icon i {
    color: white;
    font-size: 1rem;
}

.objection-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2c3e50;
}

.analysis-section {
    margin-bottom: 1rem;
}

.analysis-section h5 {
    color: #FF5722;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.response-strategy h5 {
    color: #4CAF50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.strategy-list {
    list-style: none;
    padding-left: 0;
}

.strategy-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
}

.strategy-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

.objection-summary {
    margin-top: 2rem;
}

.summary-card {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 2rem;
}

.summary-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.key-principles {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.principle-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #2c3e50;
    font-weight: 500;
}

.principle-item i {
    color: #4CAF50;
    font-size: 1rem;
}

/* Enhanced Learning Summary Styles */
.learning-summary-enhanced {
    padding: 1rem 0;
}

.completion-celebration {
    text-align: center;
    background: linear-gradient(135deg, #FFD70020, #FFA50020);
    border: 2px solid #FFD700;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.celebration-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.celebration-icon i {
    color: white;
    font-size: 2rem;
}

.completion-celebration h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.completion-celebration p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.key-learnings h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.learning-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.pillar-card {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.pillar-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.pillar-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.pillar-icon i {
    color: white;
    font-size: 1.2rem;
}

.pillar-card h5 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
}

.pillar-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.action-plan h4 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1rem;
}

.step-number {
    width: 30px;
    height: 30px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
}

.step-content h5 {
    color: #2c3e50;
    margin-bottom: 0.25rem;
    font-size: 1rem;
    font-weight: 600;
}

.step-content p {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.success-message {
    text-align: center;
}

.message-card {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 2rem;
}

.message-card i {
    color: #4CAF50;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.message-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.message-card p {
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* Swipe Hint Styles */
.swipe-hint {
    position: fixed;
    bottom: 80px;
    right: 20px;
    background: rgba(102, 126, 234, 0.95);
    color: white;
    border-radius: 25px;
    padding: 0.75rem 1.25rem;
    z-index: 999;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    animation: swipeHintPulse 2s infinite;
}

.swipe-hint.show {
    opacity: 1;
    transform: translateX(0);
}

.swipe-hint-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.swipe-icon i {
    font-size: 1rem;
    animation: swipeIconMove 1.5s ease-in-out infinite;
}

.swipe-text {
    white-space: nowrap;
}

.swipe-arrows {
    display: flex;
    gap: 0.25rem;
}

.swipe-arrows i {
    font-size: 0.8rem;
    opacity: 0.7;
}

@keyframes swipeHintPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    }
}

@keyframes swipeIconMove {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(5px);
    }
}

/* Hide swipe hint on desktop */
@media (min-width: 1024px) {
    .swipe-hint {
        display: none;
    }
}

/* Hide desktop navigation on mobile */
@media (max-width: 1023px) {
    .desktop-nav-left,
    .desktop-nav-right {
        display: none !important;
    }
}

/* Output Concept */
.output-concept {
    margin: 2rem 0;
}

.output-cycle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.cycle-step {
    background: white;
    border: 2px solid #667eea;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    min-width: 120px;
    flex: 1;
}

.step-icon {
    width: 45px;
    height: 45px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
}

.step-icon i {
    font-size: 1.1rem;
    color: white;
}

.cycle-arrow {
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

.output-benefits {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Trust Principles */
.trust-principles {
    margin: 2rem 0;
}

.trust-rule {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.rule-icon {
    width: 80px;
    height: 80px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.rule-icon i {
    font-size: 2rem;
    color: white;
}

.trust-guidelines {
    margin: 2rem 0;
}

.guideline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.guideline-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.text-success {
    color: #4CAF50;
}

.text-danger {
    color: #e74c3c;
}

/* Priority Strategy */
.priority-strategy {
    margin: 2rem 0;
}

.strategy-concept {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.factor-list {
    margin: 2rem 0;
}

.factor-item {
    background: white;
    border-left: 4px solid #667eea;
    border-radius: 0 10px 10px 0;
    padding: 1.5rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.factor-item i {
    font-size: 1.5rem;
    color: #667eea;
    min-width: 30px;
}

.factor-item strong {
    color: #2c3e50;
    display: block;
    margin-bottom: 0.5rem;
}

/* Long-term Mindset */
.longterm-mindset {
    margin: 2rem 0;
}

.timeline-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 3rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

.timeline-dot.immediate {
    background: #e74c3c;
}

.timeline-dot.shortterm {
    background: #f39c12;
}

.timeline-dot.longterm {
    background: #4CAF50;
}

.timeline-line {
    width: 50px;
    height: 2px;
    background: #ddd;
    margin: 0 1rem;
}

.timeline-content h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.patience-message {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    margin: 2rem 0;
}

.message-icon {
    width: 60px;
    height: 60px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.message-icon i {
    font-size: 1.5rem;
    color: white;
}

/* Action Steps */
.action-steps {
    margin: 2rem 0;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.action-item {
    background: white;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    color: #667eea;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.action-item:hover {
    transform: translateY(-3px);
}

/* Preparation Methods */
.preparation-methods {
    margin: 2rem 0;
}

.method-list {
    margin: 2rem 0;
}

.method-item {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.method-item:hover {
    border-color: #667eea;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.2);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    font-size: 1.5rem;
    color: white;
}

.method-content h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .output-cycle {
        flex-direction: column;
    }
    
    .cycle-arrow {
        transform: rotate(90deg);
    }
    
    .timeline-visual {
        flex-direction: column;
        gap: 2rem;
    }
    
    .timeline-line {
        width: 2px;
        height: 30px;
        transform: rotate(90deg);
    }
    
    .guideline-grid {
        grid-template-columns: 1fr;
    }
    
    .method-item {
        flex-direction: column;
        text-align: center;
    }
    
    .factor-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 0 1rem;
    }
    
    .slide {
        padding: 1.5rem 1rem;
    }
    
    .navigation {
        padding: 1rem;
    }
    
    .nav-btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
    
    .progress-bar {
        width: 150px;
    }
    
    .main-title {
        font-size: 1.8rem;
    }
    
    .mindset-grid {
        grid-template-columns: 1fr;
    }
    
    .action-grid {
        grid-template-columns: 1fr;
    }
    
    .cycle-step {
        min-width: 100%;
    }
}

/* Case Studies */






.takeaway {
    background: #f8f9fa;
    border-left: 4px solid #FFD700;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 10px 10px 0;
}

.takeaway h4 {
    color: #FF8C00;
    margin-bottom: 0.5rem;
}

.takeaway i {
    color: #FFD700;
    margin-right: 0.5rem;
}

/* Opportunity Creation */
.opportunity-creation {
    margin: 2rem 0;
}

.opportunity-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.method-card {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.method-card:hover {
    border-color: #667eea;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

.method-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.method-card p {
    color: #666;
    line-height: 1.6;
}

/* Visitor Case */
.visitor-case {
    margin: 2rem 0;
}

.case-story {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.story-steps {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.story-step {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.step-number {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: #666;
    margin: 0;
}

.story-arrow {
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

.case-results {
    background: white;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.case-results h4 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

.case-results ul {
    list-style: none;
    padding-left: 0;
}

.case-results li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.case-results li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.2rem;
}

.case-results strong {
    color: #2c3e50;
}

/* Additional styles for extended content */

.tip-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.tip-card {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.tip-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.tip-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.tip-icon i {
    font-size: 1.5rem;
    color: white;
}

.communication-steps {
    margin: 2rem 0;
}

.comm-step {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.comm-step .step-number {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.important-note {
    background: linear-gradient(135deg, #FF851B20, #FF691820);
    border-left: 4px solid #FF851B;
    padding: 1.5rem;
    border-radius: 0 10px 10px 0;
    margin: 2rem 0;
}

.important-note i {
    color: #FF851B;
    margin-right: 0.5rem;
}

/* Referral Types */
.type-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.type-card {
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.type-card.internal {
    background: linear-gradient(135deg, #4CAF50, #45a049);
}

.type-card.external {
    background: linear-gradient(135deg, #2196F3, #1976D2);
}

.type-card.derivative {
    background: linear-gradient(135deg, #FF9800, #F57C00);
}

.type-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.type-icon i {
    font-size: 1.5rem;
}

.type-example {
    background: rgba(255, 255, 255, 0.15);
    padding: 1rem;
    border-radius: 10px;
    margin-top: 1rem;
    font-size: 0.9rem;
}

.key-insight {
    background: #f8f9fa;
    border-left: 4px solid #FFD700;
    padding: 1.5rem;
    border-radius: 0 10px 10px 0;
    margin: 2rem 0;
}

.key-insight i {
    color: #FFD700;
    margin-right: 0.5rem;
}

/* Referral Chain */
.chain-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.chain-step {
    text-align: center;
}

.person-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    margin: 0 auto 0.5rem;
}

.person-icon.member {
    background: #4CAF50;
}

.person-icon.external {
    background: #2196F3;
}

.chain-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.arrow-label {
    font-size: 0.8rem;
    color: #666;
    text-align: center;
    max-width: 80px;
}

.chain-explanation {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.chain-explanation ol {
    padding-left: 1.5rem;
}

.chain-explanation li {
    margin: 1rem 0;
    line-height: 1.6;
}

/* Easy Referrals */
.easy-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.easy-type {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.easy-type:hover {
    border-color: #4CAF50;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.2);
}

.easy-icon {
    width: 50px;
    height: 50px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.easy-icon i {
    color: white;
    font-size: 1.2rem;
}

/* Restaurant Case */
.scenario-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
}

.scenario-step {
    text-align: center;
    padding: 1rem;
}

.scenario-plus, .scenario-arrow {
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
}

.count-breakdown {
    margin: 2rem 0;
}

.count-items {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.count-item {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    min-width: 200px;
}

.count-item.internal {
    border-left: 4px solid #4CAF50;
}

.count-item.external {
    border-left: 4px solid #2196F3;
}

.counting-rules {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.rule-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.rule-item {
    background: white;
    border-radius: 10px;
    padding: 1rem;
}

.rule-item h5 {
    color: #667eea;
    margin-bottom: 0.5rem;
}

.note {
    background: #FFF3CD;
    border: 1px solid #FFEAA7;
    color: #856404;
    padding: 1rem;
    border-radius: 5px;
    margin-top: 1rem;
}

/* Subscription Case */
.subscription-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.member-profile {
    text-align: center;
}

.profile-icon {
    width: 80px;
    height: 80px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.profile-icon i {
    font-size: 2rem;
    color: white;
}

.subscription-services {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.service-item {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    min-width: 150px;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.service-icon i {
    color: white;
    font-size: 1.2rem;
}

.benefit-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.benefit-step {
    background: white;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    min-width: 150px;
}

.benefit-arrow {
    font-size: 1.5rem;
    color: #4CAF50;
    font-weight: bold;
}

.monthly-note {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    margin: 2rem 0;
}

/* BtoB Referrals */
.btob-examples {
    margin: 2rem 0;
}

.btob-category {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.btob-category h4 {
    color: #667eea;
    margin-bottom: 1rem;
}

.btob-category i {
    margin-right: 0.5rem;
}

.high-value-examples {
    margin: 1rem 0;
}

.value-item {
    background: #f8f9fa;
    border-left: 4px solid #FFD700;
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 0 10px 10px 0;
}

.amount {
    color: #FF6B35;
    font-weight: bold;
    font-size: 1.1rem;
}

/* Thank You System */
.rule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.rule-icon {
    width: 50px;
    height: 50px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.rule-icon i {
    color: white;
    font-size: 1.2rem;
}

.example-amounts {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.amount-examples {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.amount-item {
    background: white;
    border: 2px solid #4CAF50;
    border-radius: 25px;
    padding: 0.8rem 1.5rem;
    font-weight: 500;
    color: #4CAF50;
}

/* Derivative Reporting */
.concept-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.original-referrer .person-icon {
    background: #4CAF50;
}

.referred-customer .person-icon {
    background: #2196F3;
}

.new-customer .person-icon {
    background: #FF9800;
}

.flow-arrow {
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

.blind-spot {
    background: #FFEBEE;
    border: 2px solid #f44336;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
}

.solution {
    margin: 2rem 0;
}

.solution-box {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
}

.reporting-benefits {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.reporting-benefits ul {
    list-style: none;
    padding-left: 0;
}

.reporting-benefits li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.reporting-benefits li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Traffic Strategy */
.traffic-concept {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.traffic-benefits {
    margin: 2rem 0;
}

.benefit-box {
    background: white;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
}

.target-levels {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 2rem 0;
}

.target-level {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    min-width: 250px;
}

.target-level.basic {
    border: 2px solid #FF9800;
}

.target-level.perfect {
    border: 2px solid #FFD700;
}

.level-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.target-level.basic .level-icon {
    background: #FF9800;
}

.target-level.perfect .level-icon {
    background: #FFD700;
}

.level-icon i {
    color: white;
    font-size: 1.5rem;
}

.target-level ul {
    text-align: left;
    list-style: none;
    padding-left: 0;
}

.target-level li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.target-level li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #4CAF50;
    font-weight: bold;
}

/* Support Activities */
.support-activities {
    margin: 2rem 0;
}

.support-section {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.support-section h4 {
    color: #667eea;
    margin-bottom: 1.5rem;
}

.support-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.action-item {
    background: #f8f9fa;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    min-width: 150px;
}

.action-item i {
    color: #4CAF50;
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.support-roles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.role-item {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
}

.role-icon {
    width: 50px;
    height: 50px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.role-icon i {
    color: white;
    font-size: 1.2rem;
}

.community-impact {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    margin: 2rem 0;
}

/* Visitor Invitation */
.invitation-strategies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.strategy-item {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.strategy-item:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.strategy-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.strategy-icon i {
    color: white;
    font-size: 1.5rem;
}

.action-example {
    margin: 1rem 0;
}

.example-calculation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.calc-step {
    background: #f8f9fa;
    border: 2px solid #667eea;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.calc-arrow {
    font-size: 1.2rem;
    color: #667eea;
    font-weight: bold;
}

.calc-result {
    background: #4CAF50;
    color: white;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: bold;
}

.success-mindset {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.success-mindset ul {
    list-style: none;
    padding-left: 0;
}

.success-mindset li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 2rem;
}

.success-mindset li::before {
    content: "💡";
    position: absolute;
    left: 0;
}

/* Orientation Rules */
.time-constraint {
    background: linear-gradient(135deg, #FF851B20, #FF691820);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    text-align: center;
}

.golden-process {
    margin: 2rem 0;
}

.process-step {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.process-step .step-number {
    width: 40px;
    height: 40px;
    background: #667eea;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.magic-words {
    margin: 1rem 0;
}

.magic-word {
    background: #f8f9fa;
    border-left: 4px solid #4CAF50;
    border-radius: 0 10px 10px 0;
    padding: 1rem;
    margin: 1rem 0;
}

.timing {
    display: block;
    font-size: 0.8rem;
    color: #666;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

/* Objection Handling */
.objection-handling {
    margin: 2rem 0;
}

.objection-section {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.common-objections {
    margin: 1.5rem 0;
}

.objection-item {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.objection {
    background: #FFEBEE;
    border: 2px solid #f44336;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    color: #d32f2f;
    font-weight: 500;
}

.objection-insight {
    background: #FFF3E0;
    border: 2px solid #FF9800;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    margin: 1rem 0;
}

.solution-approach {
    background: #E8F5E8;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    margin: 1rem 0;
}

.learning-summary {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 15px;
    padding: 3rem 2rem;
    margin: 2rem 0;
    text-align: center;
}

.takeaway-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.takeaway-item {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.takeaway-item i {
    font-size: 2rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.next-steps {
    background: white;
    border: 2px solid #4CAF50;
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
}

.next-steps h5 {
    color: #4CAF50;
    margin-bottom: 1rem;
}

@media (max-width: 768px) {
    .case-study-tabs {
        justify-content: center;
    }
    
    .tab-btn {
        font-size: 0.8rem;
        padding: 0.6rem 1rem;
    }
    
    .opportunity-methods {
        grid-template-columns: 1fr;
    }
    
    .case-header {
        flex-direction: column;
        text-align: center;
    }
    
    .story-step {
        flex-direction: column;
        text-align: center;
    }
    
    .tip-cards {
        grid-template-columns: 1fr;
    }
    
    .comm-step {
        flex-direction: column;
        text-align: center;
    }
    
    .type-cards {
        grid-template-columns: 1fr;
    }
    
    .chain-visual {
        flex-direction: column;
    }
    
    .easy-types {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .scenario-visual {
        flex-direction: column;
    }
    
    .count-items {
        flex-direction: column;
        align-items: center;
    }
    
    .rule-examples {
        grid-template-columns: 1fr;
    }
    
    .subscription-visual {
        flex-direction: column;
    }
    
    .subscription-services {
        justify-content: center;
    }
    
    .benefit-flow {
        flex-direction: column;
        align-items: center;
    }
    
    .benefit-arrow {
        transform: rotate(90deg);
    }
    
    .rule-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .amount-examples {
        flex-direction: column;
        align-items: center;
    }
    
    .concept-visual {
        flex-direction: column;
    }
    
    .target-levels {
        flex-direction: column;
        align-items: center;
    }
    
    .support-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .support-roles {
        grid-template-columns: 1fr;
    }
    
    .invitation-strategies {
        grid-template-columns: 1fr;
    }
    
    .example-calculation {
        flex-direction: column;
        align-items: center;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .objection-item {
        flex-direction: column;
        align-items: center;
    }
    
    .takeaway-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Quiz Styles - Mobile First */
.quiz-container {
    max-width: 100%;
    margin: 0 auto;
}

.quiz-intro {
    background: linear-gradient(135deg, #667eea20, #764ba220);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.quiz-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.quiz-icon i {
    font-size: 1.5rem;
    color: white;
}

.question-container {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.question-header {
    text-align: center;
    margin-bottom: 1rem;
}

.question-number {
    background: #667eea;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-weight: 500;
    font-size: 0.85rem;
}

.question-text {
    margin: 1.5rem 0;
    text-align: center;
}

.question-text p {
    font-size: 1.1rem;
    font-weight: 500;
    color: #2c3e50;
    line-height: 1.6;
}

.answer-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.answer-btn {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1rem;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
    line-height: 1.5;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.answer-btn:hover:not(:disabled) {
    border-color: #667eea;
    background: #667eea10;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.answer-btn:disabled {
    cursor: not-allowed;
}

.answer-btn.correct {
    border-color: #4CAF50;
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    color: #2e7d32;
}

.answer-btn.incorrect {
    border-color: #f44336;
    background: linear-gradient(135deg, #f4433620, #d3271820);
    color: #c62828;
}

.answer-btn.correct::before {
    content: "✓ ";
    color: #4CAF50;
    font-weight: bold;
    font-size: 1.2rem;
}

.answer-btn.incorrect::before {
    content: "✗ ";
    color: #f44336;
    font-weight: bold;
    font-size: 1.2rem;
}

.quiz-result {
    background: white;
    border-radius: 12px;
    padding: 2rem 1.25rem;
    text-align: center;
    margin: 1.5rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.result-content {
    max-width: 100%;
    margin: 0 auto;
}

.result-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.result-icon.success {
    background: linear-gradient(135deg, #4CAF50, #45a049);
}

.result-icon.failure {
    background: linear-gradient(135deg, #f44336, #d32f2f);
}

.result-icon i {
    font-size: 2rem;
    color: white;
}

.result-content h3 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
    font-weight: 600;
}

.result-content p {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.score-display {
    background: #f8f9fa;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 0.75rem;
    margin: 1rem 0;
    font-weight: 600;
    font-size: 1rem;
}

.next-chapter-btn {
    background: linear-gradient(135deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.5rem;
    width: 100%;
    max-width: 200px;
}

.next-chapter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.4);
}

.retry-btn {
    background: linear-gradient(135deg, #FF9800, #F57C00);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.5rem;
    width: 100%;
    max-width: 200px;
}

.retry-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 152, 0, 0.4);
}

.review-btn {
    background: linear-gradient(135deg, #2196F3, #1976D2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.5rem;
    width: 100%;
    max-width: 200px;
}

.review-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.4);
}

/* Chapter Locked Message */
.chapter-locked-message {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

.locked-content {
    background: white;
    padding: 2rem 1.25rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    transform: scale(0.8);
    animation: scaleIn 0.5s ease 0.2s forwards;
    margin: 1rem;
    max-width: calc(100vw - 2rem);
}

.locked-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #FF9800, #F57C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.locked-icon i {
    font-size: 1.5rem;
    color: white;
}

.locked-content h3 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.locked-content p {
    color: #666;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.5;
}

.unlock-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    max-width: 200px;
}

.unlock-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Unlocked chapter indication */
.toc a.unlocked {
    background: linear-gradient(135deg, #4CAF5020, #45a04920);
    border: 2px solid #4CAF50;
    position: relative;
}

.toc a.unlocked::after {
    content: "🔓";
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
}

/* Quiz links styling */
.quiz-link {
    background: linear-gradient(135deg, #FF980020, #F57C0020) !important;
    border: 2px solid #FF9800 !important;
    color: #FF6F00 !important;
    font-weight: 600;
}

.quiz-link:hover {
    background: linear-gradient(135deg, #FF980040, #F57C0040) !important;
    color: #E65100 !important;
}

/* Certificate notice */
.certificate-notice {
    background: linear-gradient(135deg, #FFD70020, #FFA50020);
    border: 2px solid #FFD700;
    border-radius: 12px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.2);
}

.certificate-notice h4 {
    color: #FF8C00;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Enhanced Mobile Responsive - Tablet and Above */
@media (min-width: 768px) {
    .quiz-container {
        max-width: 800px;
        padding: 0 2rem;
    }
    
    .question-container {
        padding: 2rem;
    }
    
    .quiz-result {
        padding: 2.5rem;
    }
    
    .locked-content {
        padding: 2.5rem;
        margin: 2rem;
    }
    
    .answer-btn {
        padding: 1.25rem;
    }
    
    .result-icon {
        width: 90px;
        height: 90px;
    }
    
    .result-icon i {
        font-size: 2.5rem;
    }
    
    .result-content h3 {
        font-size: 1.6rem;
    }
}
    
    .rule-grid {
        grid-template-columns: 1fr;
    }
    
    .takeaway-grid {
        grid-template-columns: 1fr;
    }
    
    .question-text p {
        font-size: 1rem;
    }
    
    .result-content h3 {
        font-size: 1.5rem;
    }
    
    .next-chapter-btn,
    .retry-btn,
    .review-btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }
}

/* Referral Connection Elements */
.referral-connection {
    background: linear-gradient(135deg, #667eea10, #764ba210);
    border: 2px solid #667eea;
    border-radius: 15px;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.referral-connection h4 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
    font-weight: 600;
}

.connection-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.connection-step {
    background: white;
    border: 2px solid #e0e6ed;
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    min-width: 120px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.connection-step:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.2);
}

.connection-step i {
    display: block;
    font-size: 1.5rem;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.connection-step span {
    font-size: 0.9rem;
    color: #2c3e50;
    font-weight: 500;
}

.connection-arrow {
    font-size: 1.5rem;
    color: #667eea;
    font-weight: bold;
}

.connection-result {
    background: #f8f9fa;
    border-left: 4px solid #4CAF50;
    border-radius: 0 12px 12px 0;
    padding: 1rem 1.5rem;
    margin-top: 1.5rem;
    color: #2c3e50;
    font-weight: 500;
    line-height: 1.6;
}

.connection-result i {
    color: #4CAF50;
    margin-right: 0.75rem;
    font-size: 1.1rem;
}

/* Mobile responsive for referral connections */
@media (max-width: 768px) {
    .connection-flow {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .connection-arrow {
        transform: rotate(90deg);
        margin: 0.5rem 0;
    }
    
    .connection-step {
        min-width: 200px;
        width: 100%;
        max-width: 300px;
    }
    
    .referral-connection {
        padding: 1.25rem;
        margin: 1.5rem 0;
    }
    
    .referral-connection h4 {
        font-size: 1.1rem;
        text-align: center;
    }
}