/* Base styles and variables */
:root {
    --primary-color: #1B365D;
    --secondary-color: #2B4C73;
    --accent-color: #4A90E2;
    --light-color: #ffffff;
    --bg-light: #f8fafc;
    --card-bg-light: #ffffff;
    --border-light: #e2e8f0;
    --text-dark: #1f2937;
    --text-light: #ffffff;
    --text-secondary: #6b7280;
    --glass-bg: rgba(27, 54, 93, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --backdrop-blur: blur(10px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #1B365D 0%, #2B4C73 50%, #4A90E2 100%);
    background-attachment: fixed;
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Layout */
.presentation-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar navigation */
.sidebar {
    width: 280px;
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    -webkit-backdrop-filter: var(--backdrop-blur);
    border-right: 1px solid var(--glass-border);
    color: var(--text-light);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    padding: 2rem 0;
    overflow-y: auto;
    z-index: 100;
    box-shadow: var(--glass-shadow);
}

.logo-container {
    padding: 0 2rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 2rem;
}

.logo-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    text-align: center;
}

.company-logo {
    height: 60px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.logo-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--light-color);
    line-height: 1.1;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    flex-direction: column;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: white;
    text-decoration: none;
    transition: var(--transition);
    border-left: 4px solid transparent;
    font-weight: 500;
    font-size: 0.9rem;
    line-height: 1.2;
    white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
    background: rgba(255, 255, 255, 0.1);
    border-left-color: var(--accent-color);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.nav-links a i {
    margin-right: 0.8rem;
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Main content area */
.main-content {
    flex: 1;
    margin-left: 280px;
    background-color: var(--bg-light);
}

/* Slides */
.slide {
    min-height: 100vh;
    padding: 3rem;
    display: none;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-content {
    padding: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    background: var(--card-bg-light);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    color: var(--text-dark);
}

/* Typography */
.title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.title:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    border-radius: 2px;
}

h2 {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 1.25rem;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

/* Overview section */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

/* Definition box */
.definition-box {
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border: 2px solid var(--border-light);
    border-radius: 16px;
    margin-bottom: 2rem;
}

.definition-box h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.definition-box p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Market insights */
.market-insights {
    margin-top: 3rem;
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.insight-item {
    padding: 1.5rem;
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.insight-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.insight-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.insight-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.insight-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Competitive advantages */
.competitive-advantage {
    margin-top: 3rem;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.advantage-item {
    padding: 1.5rem;
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.advantage-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.advantage-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.advantage-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Stablecoin characteristics */
.stablecoin-characteristics {
    margin: 2rem 0;
}

.characteristics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.characteristic-item {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border: 2px solid var(--border-light);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.characteristic-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.characteristic-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.characteristic-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.characteristic-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Taxonomy section */
.taxonomy-section {
    margin-top: 2rem;
}

.taxonomy-detailed {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1.5rem;
}

.taxonomy-item {
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
}

.taxonomy-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.taxonomy-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.taxonomy-header h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    color: white;
}

.taxonomy-header i {
    font-size: 1.5rem;
}

.market-share {
    background: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.taxonomy-content {
    padding: 1.5rem;
}

.taxonomy-content > div {
    margin-bottom: 1rem;
}

.taxonomy-content > div:last-child {
    margin-bottom: 0;
}

.model-description {
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.examples ul,
.backing-assets,
.business-model,
.mechanism {
    margin-top: 0.5rem;
}

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

.examples li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: 1.5rem;
}

.examples li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

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

.risk-note {
    padding: 1rem;
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border-radius: 8px;
    border-left: 4px solid #ef4444;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.risk-note i {
    color: #ef4444;
    font-size: 1.2rem;
}

.risk-note strong {
    color: #dc2626;
}

/* Special styling for off-chain model */
.taxonomy-item.off-chain .taxonomy-header {
    background: linear-gradient(135deg, #059669, #10b981);
}

/* Special styling for on-chain model */
.taxonomy-item.on-chain .taxonomy-header {
    background: linear-gradient(135deg, var(--primary-color), #3b82f6);
}

/* Special styling for algorithmic model */
.taxonomy-item.algorithmic .taxonomy-header {
    background: linear-gradient(135deg, #dc2626, #ef4444);
}

/* Success stories styling */
.success-stories {
    margin: 2rem 0;
}

.story-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.story-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.story-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.story-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.story-header i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.story-header h5 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.1rem;
}

.story-metrics {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.story-metrics .metric {
    background: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-align: center;
    border-left: 3px solid var(--accent-color);
}

.story-metrics .metric span {
    display: block;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

/* Architecture Context styling */
.architecture-context {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 30px;
    backdrop-filter: blur(8px);
}

.context-header {
    margin-bottom: 20px;
}

.context-header h4 {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.context-header i {
    font-size: 1.2rem;
}

.context-definition {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
}

.context-points {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.context-point {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.context-point i {
    color: var(--accent-color);
    font-size: 1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.context-point strong {
    color: var(--text-primary);
}

/* Technical architecture styling */
.technical-architecture {
    margin: 3rem 0;
}

.architecture-layers {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

.arch-layer {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.arch-layer:hover {
    border-color: var(--primary-color);
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.layer-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.layer-number {
    background: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.layer-header h4 {
    margin: 0;
    color: white;
}

.layer-content {
    padding: 1.5rem;
}

.layer-function {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.layer-tech {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 0.75rem;
}

.layer-participants {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.architecture-insight {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    margin-top: 2rem;
}

/* Banking opportunities styling */
.banking-opportunities {
    margin: 3rem 0;
}

.opportunity-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.opportunity-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.opportunity-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.opportunity-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.opportunity-header h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 0;
    color: white;
}

.priority-badge {
    background: var(--accent-color);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.opportunity-description {
    padding: 1.5rem;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
}

.product-directions {
    padding: 1.5rem;
}

.product-directions h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-grid {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-item {
    padding: 1.25rem;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    background: var(--bg-light);
}

.product-item h6 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.product-item p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Singapore PSP details styling */
.singapore-psp-details {
    margin: 2rem 0;
}

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

.psp-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    transition: var(--transition);
}

.psp-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.psp-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.psp-header i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.psp-header h5 {
    color: var(--primary-color);
    margin: 0;
}

.psp-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.psp-features .feature {
    background: var(--bg-light);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.market-insight {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    margin-top: 2rem;
}

/* Project Guardian styling */
.guardian-participants-detailed {
    margin: 2rem 0;
}

.participant-categories {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 1.5rem;
}

.participant-category h5 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.participant-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.participant-item {
    background: white;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.25rem;
    transition: var(--transition);
}

.participant-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.participant-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.participant-item span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.guardian-use-cases {
    margin: 2rem 0;
}

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

.use-case-card {
    background: white;
    border: 2px solid var(--border-light);
    border-radius: 16px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.use-case-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.use-case-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.use-case-card h5 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.use-case-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.insight-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.insight-header i {
    color: var(--accent-color);
    font-size: 1.2rem;
}

.key-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 16px;
    color: white;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}



/* Value propositions */
.value-props {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid var(--border-light);
}

.prop-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.prop-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.prop-item:hover {
    transform: translateX(8px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.prop-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    min-width: 24px;
}

.prop-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.25rem;
}

.prop-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Subsection navigation */
.subsection-navigation {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

.subsection-link {
    padding: 0.75rem 1.5rem;
    background: var(--bg-light);
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
}

.subsection-link:hover, .subsection-link.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.subsection {
    display: none;
}

.subsection.active {
    display: block;
}

/* Problem-solution boxes */
.problem-solution {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.problem-box, .solution-box {
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.problem-box {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border-left: 4px solid #ef4444;
}

.solution-box {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    border-left: 4px solid #22c55e;
}

.problem-box h4 {
    color: #dc2626;
}

.solution-box h4 {
    color: #16a34a;
}

/* Case studies */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.case-item {
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 2px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}

.case-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.case-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.case-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.75rem;
}

/* Use items for DeFi section */
.defi-uses {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.use-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.use-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.use-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-right: 0.75rem;
}

.use-item strong {
    color: var(--primary-color);
}

/* Benefit grid */
.benefit-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 1.5rem;
}

.benefit-item {
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    border: 2px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}

.benefit-item:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.benefit-item i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.benefit-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.75rem;
}

/* Programmable treasury */
.programmable-treasury {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-light), #f1f5f9);
    border-radius: 16px;
    border: 2px solid var(--border-light);
}

.programmable-treasury ul {
    list-style: none;
    margin-top: 1rem;
}

.programmable-treasury li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: 2rem;
}

.programmable-treasury li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Scenario cards */
.scenario-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.scenario-card {
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    overflow: hidden;
    transition: var(--transition);
}

.scenario-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.scenario-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 80px;
}

.scenario-header h4 {
    color: white;
    margin: 0;
    line-height: 1.3;
    font-weight: 600;
}

.scenario-header i {
    font-size: 1.5rem;
}

.scenario-flow {
    padding: 1.5rem;
}

.flow-step {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: 2rem;
    color: var(--text-secondary);
}

.flow-step:before {
    content: attr(data-step);
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

.flow-step:last-child {
    border-bottom: none;
}

/* Responsive design */
@media (max-width: 1024px) {
    .sidebar {
        width: 250px;
    }
    
    .main-content {
        margin-left: 250px;
    }
    
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .key-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .characteristics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .story-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .opportunity-cards {
        grid-template-columns: 1fr;
    }
    
    .architecture-layers .arch-layer:hover {
        transform: none;
    }
    
    .scenario-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .nav-links a {
        font-size: 0.85rem;
        padding: 0.7rem 1.2rem;
    }
    
    .nav-links a i {
        font-size: 0.9rem;
        width: 18px;
        margin-right: 0.7rem;
    }
    
    .slide-content {
        padding: 2rem;
    }
    
    .characteristics-grid,
    .insight-grid,
    .advantage-grid,
    .case-grid,
    .defi-uses,
    .benefit-grid,
    .scenario-cards {
        grid-template-columns: 1fr;
    }
    
    .key-stats {
        grid-template-columns: 1fr;
    }
    
    .problem-solution {
        grid-template-columns: 1fr;
    }
    
    .subsection-navigation {
        flex-wrap: wrap;
    }
    
    .characteristic-item,
    .insight-item,
    .advantage-item {
        padding: 1.25rem;
    }
    
    .characteristic-item h4,
    .insight-item strong,
    .advantage-item strong {
        font-size: 1rem;
    }
    
    .characteristic-item p,
    .insight-item p,
    .advantage-item p {
        font-size: 0.85rem;
    }
    
    .definition-box {
        padding: 1.5rem;
    }
    
    .taxonomy-content {
        padding: 1.25rem;
    }
    
    .taxonomy-header {
        padding: 1.25rem;
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .market-share {
        align-self: center;
    }
    
    .story-cards {
        grid-template-columns: 1fr;
    }
    
    .story-metrics {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .opportunity-cards {
        grid-template-columns: 1fr;
    }
    
    .opportunity-card .opportunity-header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .product-grid {
        gap: 1rem;
    }
    
    .product-item {
        padding: 1rem;
    }
    
    .psp-cards {
        grid-template-columns: 1fr;
    }
    
    .participant-list {
        grid-template-columns: 1fr;
    }
    
    .use-case-cards {
        grid-template-columns: 1fr;
    }
    
    .layer-header {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }
    
    .layer-number {
        align-self: center;
    }
    
    .scenario-header {
        padding: 1.25rem;
        min-height: 70px;
        flex-direction: row;
        text-align: left;
    }
    
    .scenario-header h4 {
        font-size: 1rem;
        line-height: 1.2;
    }
}

/* Additional styles for the new sections */

/* Regulatory section */
.convergence-insight {
    background: linear-gradient(135deg, var(--bg-light), #f1f5f9);
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    margin-bottom: 3rem;
    text-align: center;
}

.convergence-insight i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.jurisdiction-table {
    overflow-x: auto;
    margin: 2rem 0;
}

.jurisdiction-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.jurisdiction-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.jurisdiction-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.jurisdiction-table tr:hover td {
    background-color: var(--bg-light);
}

.status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--accent-color);
    color: white;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 500;
}

.insight-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.insight-card {
    padding: 2rem;
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    text-align: center;
    transition: var(--transition);
}

.insight-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.insight-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.insight-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Ecosystem section */
.participant-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.participant-card {
    padding: 2rem;
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    transition: var(--transition);
    text-align: center;
}

.participant-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.participant-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.participant-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.revenue {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

.system-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.system-item {
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.system-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.system-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

.system-item strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

.system-item span {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Stablecoin sandwich visual */
.sandwich-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
    padding: 2rem;
    background: var(--bg-light);
    border-radius: 16px;
}

.layer {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    background: white;
    border-radius: 12px;
    border: 2px solid var(--border-light);
    min-width: 300px;
    justify-content: center;
    transition: var(--transition);
}

.layer:hover {
    border-color: var(--accent-color);
    transform: scale(1.05);
}

.layer.filling {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-color: var(--primary-color);
}

.layer i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.layer.filling i {
    color: white;
}

/* Singapore section */
.market-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
}

.market-segment {
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    background: white;
}

.market-segment.usd {
    border-left: 4px solid #22c55e;
}

.market-segment.sgd {
    border-left: 4px solid var(--accent-color);
}

.market-segment h4 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.market-segment ul {
    list-style: none;
}

.market-segment li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.market-segment li:before {
    content: '▶';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

.indicator-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.indicator-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    border: 2px solid var(--border-light);
    transition: var(--transition);
}

.indicator-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

.indicator-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.indicator-label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.indicator-insight {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

.guardian-participants {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.participant {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
}

.strategic-insight {
    padding: 1.5rem;
    background: linear-gradient(135deg, #fef3c7, #fed7aa);
    border-radius: 12px;
    border-left: 4px solid var(--accent-color);
    margin-top: 1.5rem;
}

.risk-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.risk-item {
    padding: 1.5rem;
    background: white;
    border-radius: 16px;
    border: 2px solid #fee2e2;
    transition: var(--transition);
}

.risk-item:hover {
    border-color: #ef4444;
    transform: translateY(-2px);
}

.risk-item i {
    font-size: 2rem;
    color: #ef4444;
    margin-bottom: 1rem;
}

.risk-item strong {
    color: #dc2626;
    display: block;
    margin-bottom: 0.75rem;
}



/* Southeast Asia Overview */
.southeast-asia-overview {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 16px;
    border: 2px solid var(--border-light);
}

.southeast-asia-overview h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.southeast-asia-overview h3 i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.region-analysis {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.region-category {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.region-category:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.category-header {
    padding: 1.5rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 12px;
}

.region-category.leaders .category-header {
    background: linear-gradient(135deg, #10b981, #059669);
}

.region-category.application-driven .category-header {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}



.category-header h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.category-header i {
    font-size: 1.3rem;
}

.category-content {
    padding: 1.5rem;
}

.category-content p {
    margin: 0 0 1rem 0;
    line-height: 1.6;
    color: var(--text-secondary);
}

.notable-case {
    margin-top: 1rem;
    padding: 1rem;
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.notable-case i {
    color: #d97706;
    margin-top: 2px;
    flex-shrink: 0;
}

.notable-case span {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Asian Giants Overview */
.asian-giants-overview {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    border-radius: 16px;
    border: 2px solid #fca5a5;
}

.asian-giants-overview h3 {
    color: #dc2626;
    margin-bottom: 2rem;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.asian-giants-overview h3 i {
    font-size: 1.5rem;
    color: #ef4444;
}

.giants-content {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.giants-description {
    margin-bottom: 2rem;
}

.giants-description p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.restriction-reasons h4,
.alternative-strategy h4 {
    color: #dc2626;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.restriction-reasons h4 i,
.alternative-strategy h4 i {
    color: #ef4444;
}

.concern-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 2rem;
}

.concern-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
    border-left: 4px solid #ef4444;
}

.concern-item i {
    color: #ef4444;
    margin-top: 2px;
    flex-shrink: 0;
    font-size: 1.1rem;
}

.concern-item span {
    line-height: 1.5;
    color: var(--text-secondary);
}

.alternative-strategy p {
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
    font-size: 1.05rem;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .participant-grid,
    .insight-cards,
    .indicator-grid,
    .risk-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .region-analysis {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    

    
    .system-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .participant-grid,
    .insight-cards,
    .indicator-grid,
    .risk-grid,
    .region-analysis,
    .market-comparison {
        grid-template-columns: 1fr;
    }
    
    .jurisdiction-table {
        font-size: 0.875rem;
    }
    
    .jurisdiction-table th,
    .jurisdiction-table td {
        padding: 0.75rem;
    }
    
    .sandwich-visual .layer {
        min-width: 250px;
    }
    
    .southeast-asia-overview {
        margin-top: 2rem;
        padding: 1.5rem;
    }
    
    .southeast-asia-overview h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .category-header {
        padding: 1.25rem;
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .category-content {
        padding: 1.25rem;
    }
    
    .notable-case {
        padding: 0.8rem;
        flex-direction: column;
        gap: 8px;
        text-align: left;
    }
    
    .asian-giants-overview {
        margin-top: 2rem;
        padding: 1.5rem;
    }
    
    .asian-giants-overview h3 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .giants-content {
        padding: 1.5rem;
    }
    
    .concern-list {
        gap: 0.8rem;
    }
    
    .concern-item {
        padding: 0.8rem;
        flex-direction: column;
        gap: 8px;
    }
}

/* Loading animation */
.loaded {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Smooth transitions for all interactive elements */
* {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Enhanced Payment Ecosystem Styles */
.payment-ecosystem {
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 2px solid rgba(27, 54, 93, 0.2);
}

.ecosystem-subtitle {
    text-align: center;
    margin: 1rem 0 2rem 0;
}

.ecosystem-subtitle p {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 1.1rem;
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin: 2rem 0;
}

.participant-card.merchants { border-left: 4px solid #e74c3c; }
.participant-card.payment-gateway { border-left: 4px solid #f39c12; }
.participant-card.onoff-ramp { border-left: 4px solid #27ae60; }
.participant-card.wallets { border-left: 4px solid #9b59b6; }
.participant-card.compliance-service { border-left: 4px solid #e67e22; }
.participant-card.attestation { border-left: 4px solid #16a085; }

.benefits, .functions, .services, .types, .capabilities {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.benefit, .function, .service, .type, .capability {
    background: var(--bg-light);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    border-left: 3px solid var(--accent-color);
    border: 1px solid var(--border-light);
}

.ecosystem-relationships {
    margin: 2rem 0;
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border-light);
}

.relationship-insight {
    margin: 1rem 0;
}

.relationship-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

.relationship-item {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.relationship-item:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.relationship-item i {
    color: var(--accent-color);
    margin-right: 0.5rem;
}

/* Comprehensive Singapore Analysis Styles */
.singapore-intro {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border-left: 4px solid var(--primary-color);
}

.key-findings {
    margin: 2rem 0 0 0;
}

.key-findings h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.findings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.finding-item {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border: 1px solid rgba(27, 54, 93, 0.2);
    transition: var(--transition);
}

.finding-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-color);
}

.finding-item i {
    color: var(--accent-color);
    font-size: 1.2rem;
    min-width: 1.2rem;
}

.finding-item span {
    color: var(--text-primary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .findings-grid {
        grid-template-columns: 1fr;
    }
    
    .finding-item {
        padding: 0.75rem;
    }
}

/* Singapore Tab System */
.singapore-tabs {
    margin: 2rem 0;
}

.singapore-tab-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.singapore-tab-button {
    background: white;
    border: 2px solid rgba(27, 54, 93, 0.1);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    min-width: 140px;
    justify-content: center;
}

.singapore-tab-button:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);
}

.singapore-tab-button.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(27, 54, 93, 0.3);
}

.singapore-tab-button i {
    font-size: 1rem;
}

.singapore-tab-button span {
    font-size: 0.9rem;
}

.singapore-tab-content {
    position: relative;
}

.singapore-tab-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.singapore-tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments for Singapore tabs */
@media (max-width: 1024px) {
    .singapore-tab-nav {
        justify-content: center;
    }
    
    .singapore-tab-button {
        min-width: 120px;
        padding: 0.6rem 0.8rem;
    }
    
    .singapore-tab-button span {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .singapore-tab-nav {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
        gap: 0.75rem;
        padding: 0.75rem;
    }
    
    .singapore-tab-button {
        min-width: auto;
        padding: 0.75rem 0.5rem;
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .singapore-tab-button span {
        font-size: 0.8rem;
        text-align: center;
    }
    
    .singapore-tab-button i {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .singapore-tab-nav {
        grid-template-columns: 1fr;
    }
    
    .singapore-tab-button {
        flex-direction: row;
        justify-content: flex-start;
        gap: 0.5rem;
    }
}

.application-scenarios-detailed {
    margin: 2rem 0;
}

.scenario-category {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-light);
}

.scenario-category h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.scenario-content {
    margin: 1rem 0;
}

.scenario-overview {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    border: 1px solid var(--border-light);
}

.scenario-evidence {
    margin: 1rem 0;
}

.evidence-item {
    background: white;
    border-radius: 8px;
    padding: 1rem;
    margin: 0.75rem 0;
    border-left: 3px solid var(--accent-color);
    border: 1px solid var(--border-light);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.evidence-item i {
    color: var(--accent-color);
    margin-top: 0.25rem;
}

.empirical-evidence-singapore {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.evidence-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.evidence-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.evidence-card h5 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.evidence-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
}

.evidence-point {
    background: var(--bg-light);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    border-left: 3px solid var(--accent-color);
}

.programmable-treasury {
    margin: 1.5rem 0;
}

.treasury-examples {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    border: 1px solid var(--border-light);
}

.treasury-example {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-light);
}

.treasury-example:last-child {
    border-bottom: none;
}

.singapore-status {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    border-left: 4px solid #ffc107;
}

.rwa-functions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1rem 0;
}

.rwa-function {
    background: white;
    border-radius: 8px;
    padding: 1.25rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.rwa-function:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.rwa-function i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-bottom: 0.75rem;
}

.market-dynamics-comprehensive {
    margin: 2rem 0;
}

.transaction-volume-analysis {
    margin: 2rem 0;
}

.volume-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 1.5rem 0;
}

.stat-group {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

.stat-group h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1.1rem;
}

.stat-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.user-segmentation-detailed {
    margin: 2rem 0;
}

.segmentation-insight {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.segmentation-analysis {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 1.5rem 0;
}

.segment-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

.segment-card h5 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.segment-characteristics {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.characteristic {
    background: var(--bg-light);
    border-radius: 6px;
    padding: 0.75rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    border: 1px solid var(--border-light);
}

.characteristic i {
    color: var(--accent-color);
    margin-top: 0.25rem;
}

.segmentation-conclusion {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.merchant-adoption-comprehensive {
    margin: 2rem 0;
}

.adoption-significance {
    margin: 1.5rem 0;
}

.significance-card {
    background: linear-gradient(135deg, #fff3cd, #ffeaa7);
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-left: 4px solid #ffc107;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.significance-card i {
    color: #ffc107;
    font-size: 1.5rem;
}

.adoption-data {
    margin: 2rem 0;
}

.data-highlight {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    color: white;
}

.data-number {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.data-context, .data-significance {
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    backdrop-filter: blur(10px);
}

.merchant-infrastructure {
    margin: 2rem 0;
}

.infrastructure-providers {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.provider-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.provider-card:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.provider-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.provider-header i {
    color: var(--accent-color);
    font-size: 1.25rem;
}

.provider-header h6 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.1rem;
}

.provider-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.global-integration {
    margin: 1.5rem 0;
}

.global-examples {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
}

.global-example {
    background: white;
    border-radius: 6px;
    padding: 0.75rem;
    border-left: 3px solid var(--accent-color);
    border: 1px solid var(--border-light);
}

.singapore-market-structure {
    margin: 2rem 0;
}

.dual-economy-overview {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-left: 4px solid var(--primary-color);
}

.economy-segments {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin: 1.5rem 0;
}

.economy-segment {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
}

.economy-segment h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.risk-comprehensive {
    margin: 2rem 0;
}

.risk-categories {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 1.5rem 0;
}

.risk-category {
    background: rgba(255, 243, 205, 0.3);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid rgba(255, 193, 7, 0.2);
}

.risk-category h4 {
    color: #d68910;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.risk-details {
    margin: 1rem 0;
}

.risk-description, .risk-examples, .risk-implications, .risk-types {
    margin: 1rem 0;
}

.risk-example, .risk-implication, .risk-type {
    background: rgba(255, 193, 7, 0.1);
    border-radius: 6px;
    padding: 0.75rem;
    margin: 0.5rem 0;
    border-left: 3px solid #ffc107;
}

.risk-mitigation {
    background: rgba(212, 237, 218, 0.7);
    border-radius: 6px;
    padding: 0.75rem;
    border-left: 3px solid #28a745;
    color: #155724;
}

.strategic-conclusions {
    margin: 2rem 0;
}

.executive-summary-box {
    background: linear-gradient(135deg, #1B365D, #2B4C73);
    color: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.executive-summary-box h4 {
    color: #fff;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.executive-summary-box h4 i {
    color: var(--accent-color);
}

.executive-summary-box p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    line-height: 1.6;
    margin: 0;
}

.conclusion-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.conclusion-item {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    border: 1px solid var(--border-light);
    border-left: 4px solid var(--accent-color);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: var(--transition);
}

.conclusion-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.conclusion-item i {
    color: var(--accent-color);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

/* Enhanced responsive adjustments for new content */
@media (max-width: 1024px) {
    .payment-grid,
    .empirical-evidence-singapore,
    .volume-stats,
    .segmentation-analysis,
    .infrastructure-providers,
    .economy-segments {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .relationship-examples {
        grid-template-columns: 1fr;
    }
    
    .rwa-functions {
        grid-template-columns: 1fr;
    }
    
    .stat-items {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .scenario-category,
    .singapore-intro,
    .segmentation-insight,
    .dual-economy-overview {
        padding: 1rem;
    }
    
    .data-highlight {
        padding: 1.5rem 1rem;
    }
    
    .data-number {
        font-size: 2rem;
    }
    
    .ecosystem-relationships {
        padding: 1rem;
    }
    
    .conclusion-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    background: var(--primary-color);
    color: white;
    padding: 0.6rem 0.8rem;
    border-radius: 8px;
    cursor: pointer;
    z-index: 1100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.mobile-menu-toggle i {
    font-size: 1.2rem;
}

/* Off-canvas sidebar for mobile */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 260px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1050;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* Keep nav links vertical inside drawer */
    .nav-links {
        flex-direction: column;
    }

    /* When sidebar is open, prevent background scrolling */
    body.sidebar-open {
        overflow: hidden;
    }
}