/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(to bottom, #e8e8e8 0%, #f5f5f5 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation */
header {
    background: #1a1a1a;
    color: white;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-bottom: 4px solid #3498db;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo h1 {
    color: #3498db;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #3498db;
}

/* Main content */
main {
    margin-top: 84px;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0;
    text-align: center;
}

/* Enhanced hero with image */
.hero-with-image {
    padding: 100px 0;
    text-align: left;
}

.hero-with-image .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-text {
    flex: 1;
    min-width: 0;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    min-width: 0;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 700px;
    font-weight: 300;
}

/* Original hero styles for other pages */
.hero:not(.hero-with-image) .hero-content {
    text-align: center;
}

.hero:not(.hero-with-image) .hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero:not(.hero-with-image) .hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background: #3498db;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
    font-weight: bold;
}

.cta-button:hover {
    background: #2980b9;
}

/* Sections */
.section {
    padding: 60px 0;
}

.section:nth-child(even) {
    background: rgba(255, 255, 255, 0.6) !important;
    backdrop-filter: blur(10px);
}

/* Override general section background for regulatory section */
.section.regulatory-highlight {
    background: #2c3e50 !important;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

/* Override general section styles for SAPP dark section */
.section.sapp-highlight {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}
.section.sapp-highlight h2 {
    color: #ffffff !important;
}
.section.sapp-highlight p {
    color: #ffffff !important;
}

.section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.section p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 1rem auto;
    text-align: center;
    color: #555;
}

.section p:last-child {
    margin-bottom: 0;
}

/* Reduce spacing between consecutive paragraphs */
.section p + p {
    margin-top: 0.5rem;
}

/* Reduce spacing between p and br + p */
.section p + br + p {
    margin-top: 0.5rem;
}

/* Specific section spacing adjustments */
.startup-timeline {
    padding: 50px 0;
}

.technical-architecture {
    padding: 50px 0;
}

.design-principles {
    padding: 60px 0;
}

.regulatory-highlight {
    padding: 60px 0;
}

.regulatory-frameworks {
    padding: 50px 0;
}

.compliance-features {
    padding: 60px 0;
}

.use-cases-grid-section {
    padding: 50px 0;
}

.architecture-benefits {
    padding: 60px 0;
}

.smart-cities-use-cases {
    padding: 60px 0;
}

.orchestration-principles {
    padding: 50px 0;
}

/* Services grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 4px solid #3498db;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    text-align: left;
    font-size: 0.95rem;
    color: #666;
    margin: 0;
}

/* Design principles section on main page */
.design-principles {
    padding: 80px 0;
}

.principles-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.principle-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #e67e22;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: auto;
    min-height: 200px;
    display: flex;
    flex-direction: column;
}

.principle-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.principle-item:nth-child(1) {
    border-left-color: #3498db;
}

.principle-item:nth-child(2) {
    border-left-color: #27ae60;
}

.principle-item:nth-child(3) {
    border-left-color: #e74c3c;
}

.principle-item:nth-child(4) {
    border-left-color: #9b59b6;
}

.principle-item h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    flex-shrink: 0;
}

.principle-item p {
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
    flex-grow: 1;
}

@media (max-width: 768px) {
    .principles-overview {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
        max-width: 100%;
    }
    
    .principle-item {
        padding: 1.5rem;
        min-height: auto;
    }
}

/* CaaS Deep Dive Section */
.caas-deep-dive {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
}

.caas-intro {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.caas-intro p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
}

.interaction-modes h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
    font-size: 1.8rem;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.mode-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #3498db;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mode-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.mode-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.mode-number {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 1rem;
    font-size: 1.2rem;
}

.mode-header h4 {
    color: #2c3e50;
    margin: 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.mode-content p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.examples {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

.example-item {
    background: white;
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
    border-radius: 6px;
    border-left: 3px solid #6c7b89;
    font-style: italic;
    color: #2c3e50;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mode-result {
    color: #5a6c7d !important;
    font-weight: 600;
    margin-top: 1rem !important;
    padding: 0.75rem;
    background: #f1f3f4;
    border-radius: 6px;
    border-left: 3px solid #6c7b89;
}

.vector-memory-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e9ecef;
}

.vector-memory-section h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
    font-size: 1.8rem;
}

.memory-explanation {
    max-width: 900px;
    margin: 0 auto;
}

.memory-explanation > p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #555;
    text-align: center;
    margin-bottom: 2rem;
}

.memory-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.benefit-item {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    border-top: 3px solid #6c7b89;
}

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

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

/* Responsive adjustments for CaaS section */
@media (max-width: 768px) {
    .modes-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .mode-card {
        padding: 1.5rem;
    }
    
    .memory-benefits {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .benefit-item {
        padding: 1.25rem;
    }
}

@media (max-width: 480px) {
    .principle-item {
        padding: 1rem;
    }
}

/* Regulatory highlight section on main page */
.section.regulatory-highlight {
    background: #2c3e50 !important;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
    color: white !important;
    text-align: center;
    min-height: 200px;
    padding: 60px 0 !important;
}

/* Enhanced regulatory section with image */
.section.regulatory-with-image {
    text-align: left;
    padding: 100px 0 !important;
}

.regulatory-with-image .regulatory-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.regulatory-text {
    flex: 1;
    min-width: 0;
}

.regulatory-image {
    flex: 1;
    max-width: 500px;
    min-width: 0;
}

.regulatory-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    transform: perspective(1000px) rotateY(5deg);
    transition: transform 0.3s ease;
    background: rgba(255,255,255,0.1);
    padding: 10px;
}

.regulatory-img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.section.regulatory-highlight h2 {
    color: white !important;
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.section.regulatory-highlight p {
    color: white !important;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 800px;
    opacity: 0.95;
}

/* Original regulatory styles for non-image version */
.section.regulatory-highlight:not(.regulatory-with-image) .container {
    background: rgba(0,0,0,0.1);
    padding: 40px;
    border-radius: 10px;
    max-width: 900px;
    text-align: center;
}

.section.regulatory-highlight:not(.regulatory-with-image) p {
    margin-left: auto;
    margin-right: auto;
}

.section.regulatory-highlight .regulatory-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin: 2rem 0;
}

.section.regulatory-highlight .stat-item {
    text-align: center;
}

.section.regulatory-highlight .stat-item .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: white !important;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.section.regulatory-highlight .stat-item .stat-label {
    display: block;
    font-size: 0.9rem;
    color: white !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .section.regulatory-highlight .regulatory-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin: 2rem 0;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

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

.protocol-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #3498db;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.protocol-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.protocol-card h3 {
    color: #3498db;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.protocol-card h4 {
    color: #2c3e50;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.protocol-card p {
    color: #555;
    line-height: 1.6;
    margin: 0;
}

.protocols-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}

.protocols-footer p {
    color: #666;
    font-style: italic;
    margin: 0;
}

/* Enhanced Flow Timeline */
.flow-header {
    text-align: center;
    margin-bottom: 3rem;
}

.flow-subtitle {
    font-size: 1.2rem;
    color: #666;
    margin-top: 0.5rem;
    font-weight: 300;
}

.flow-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin: 3rem 0;
    position: relative;
}

.flow-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    bottom: 60px;
    width: 2px;
    background: linear-gradient(to bottom, #3498db, #2980b9);
    z-index: 1;
}

.flow-step {
    display: flex;
    align-items: flex-start;
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.flow-step:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.step-header {
    display: flex;
    align-items: center;
    margin-right: 2rem;
    min-width: 200px;
}

.step-number {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 1rem;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

.step-header h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin: 0;
    line-height: 1.2;
}

.step-content {
    flex: 1;
}

.step-content p {
    color: #555;
    line-height: 1.6;
    margin: 0;
    font-size: 1rem;
}

.outcome-badge {
    background: linear-gradient(135deg, #5a6c7d, #6c7b89);
    color: white;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin-top: 3rem;
    box-shadow: 0 4px 8px rgba(90, 108, 125, 0.3);
}

.outcome-badge h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 600;
}

.outcome-badge p {
    font-size: 1.1rem;
    margin: 0;
    color: white;
    line-height: 1.5;
    max-width: 800px;
    margin: 0 auto;
}

/* Domain Patterns Grid */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.pattern-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-top: 4px solid #6c7b89;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pattern-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
}

.pattern-card h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.pattern-card p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.pattern-result {
    color: #5a6c7d !important;
    font-weight: 600;
    margin: 0 !important;
    font-style: italic;
    border-left: 3px solid #6c7b89;
    padding-left: 1rem;
    background: #f8f9fa;
    padding: 0.75rem 0 0.75rem 1rem;
    border-radius: 4px;
}

/* Responsive adjustments for new sections */
@media (max-width: 768px) {
    .protocols-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .flow-timeline::before {
        display: none;
    }
    
    .flow-step {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .step-header {
        margin-right: 0;
        margin-bottom: 1rem;
        min-width: auto;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .patterns-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pattern-card {
        padding: 1.5rem;
    }
}

/* Vision page specific styles */
.vision-hero {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
}

/* Enhanced vision hero with image */
.vision-hero-with-image {
    padding: 100px 0;
    text-align: left;
}

.vision-hero-with-image .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.vision-hero-img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    padding: 15px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
    transform: perspective(1000px) rotateY(5deg);
    transition: transform 0.3s ease;
}

.vision-hero-img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.15);
}

.vision-problems {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    padding: 60px 0;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-card {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-left: 6px solid #e74c3c;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.problem-card:nth-child(1) {
    border-left-color: #e74c3c;
}

.problem-card:nth-child(2) {
    border-left-color: #f39c12;
}

.problem-card:nth-child(3) {
    border-left-color: #e67e22;
}

.problem-card:nth-child(4) {
    border-left-color: #d35400;
}

.problem-card h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.problem-card p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.problem-card p:last-child {
    margin-bottom: 0;
}

.vision-solution {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
}

.vision-architecture {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    padding: 60px 0;
}

.vision-standards {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
}

.vision-protocols {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.vision-innovation {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
}

.vision-internet3 {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

/* Tighter paragraph spacing for vision standards sections */
.vision-standards p,
.vision-protocols p,
.vision-innovation p,
.vision-internet3 p {
    margin-bottom: 0.25rem;
}

.vision-standards p:last-child,
.vision-protocols p:last-child,
.vision-innovation p:last-child,
.vision-internet3 p:last-child {
    margin-bottom: 0;
}

.vision-architecture .vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.vision-component {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-left: 6px solid #27ae60;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vision-component:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.vision-component:nth-child(1) {
    border-left-color: #27ae60;
}

.vision-component:nth-child(2) {
    border-left-color: #3498db;
}

.vision-component:nth-child(3) {
    border-left-color: #9b59b6;
}

.vision-component:nth-child(4) {
    border-left-color: #2ecc71;
}

.vision-component h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.vision-component p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.vision-component p:last-child {
    margin-bottom: 0;
}

/* Vision page responsive styles */
@media (max-width: 768px) {
    .problems-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .vision-architecture .vision-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        gap: 1.5rem;
        max-width: 100%;
    }
    
    .problem-card,
    .vision-component {
        padding: 1.5rem;
    }
    
    .problem-card h3,
    .vision-component h3 {
        font-size: 1.2rem;
    }
    
    .vision-problems,
    .vision-architecture {
        padding: 40px 0;
    }
}

@media (max-width: 480px) {
    .vision-architecture .vision-grid {
        gap: 1rem;
    }
    
    .problem-card,
    .vision-component {
        padding: 1rem;
    }
}

/* Smart Cities page specific styles */
.smart-cities-hero {
    background: linear-gradient(135deg, #8360c3 0%, #2ebf91 100%);
}

/* Enhanced smart cities hero with image */
.smart-cities-hero-with-image {
    padding: 100px 0;
    text-align: left;
}

.smart-cities-hero-with-image .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.smart-city-img {
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    padding: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.smart-city-img:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
}

.city-vision {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.city-vision .vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.vision-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-top: 4px solid #8360c3;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vision-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.vision-card h3 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.vision-card p {
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
    margin: 0;
}

.smart-cities-use-cases {
    padding: 80px 0;
}

.use-case-section {
    margin-bottom: 3rem;
}

.use-case-section h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #8360c3;
    text-align: center;
}

.use-case-pair {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.orchestration-principles {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    padding: 80px 0;
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.principle-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 4px solid #2ebf91;
    transition: transform 0.3s ease;
}

.principle-card:hover {
    transform: translateY(-5px);
}

.principle-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.principle-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* Responsive adjustments for smart cities page */
@media (max-width: 768px) {
    .city-vision .vision-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .use-case-pair {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .principles-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .use-case-section h3 {
        font-size: 1.5rem;
    }
    
    .vision-card,
    .principle-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .use-case-pair {
        grid-template-columns: 1fr;
    }
    
    .vision-card,
    .principle-card {
        padding: 1rem;
    }
}

/* Contact section */
#contact {
    text-align: center;
}

.contact-button {
    display: inline-block;
    background: #27ae60;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
    font-weight: bold;
    margin-top: 1rem;
}

.contact-button:hover {
    background: #219a52;
}

/* CONSISTENCY UPDATE: Apply regulatory page styling to all pages */

/* Technical Architecture section styling */
.technical-architecture {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
}

.architecture-diagram {
    text-align: center;
    margin: 3rem 0;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid #e1e8ed;
}

.diagram-img {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.diagram-img:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.diagram-caption {
    margin-top: 1.5rem;
    font-style: italic;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.5;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.architecture-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.architecture-component {
    background: white;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border-left: 6px solid #3498db;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.architecture-component:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0,0,0,0.15);
}

.architecture-component:nth-child(1) {
    border-left-color: #3498db;
}

.architecture-component:nth-child(2) {
    border-left-color: #e67e22;
}

.architecture-component:nth-child(3) {
    border-left-color: #27ae60;
}

.architecture-component h3 {
    color: #2c3e50;
    font-size: 1.4rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.architecture-component p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.architecture-component ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.architecture-component li {
    padding: 0.75rem 0;
    border-bottom: 1px solid #ecf0f1;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    position: relative;
    padding-left: 1.5rem;
}

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

.architecture-component li::before {
    content: "→";
    color: #3498db;
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0.75rem;
}

.architecture-component:nth-child(2) li::before {
    color: #e67e22;
}

.architecture-component:nth-child(3) li::before {
    color: #27ae60;
}

@media (max-width: 768px) {
    .architecture-component {
        padding: 1.5rem;
    }
    
    .architecture-component h3 {
        font-size: 1.2rem;
    }
    
    .architecture-grid {
        gap: 2rem;
    }
    
    .architecture-diagram {
        margin: 2rem 0;
        padding: 1.5rem;
    }
    
    .diagram-img {
        max-width: 100%;
        box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    }
    
    .diagram-img:hover {
        transform: scale(1.01);
    }
    
    .diagram-caption {
        font-size: 0.9rem;
        margin-top: 1rem;
    }
}

/* Consistent section styling - grey sections for all pages */
.section:nth-child(odd) {
    background: rgba(248, 249, 250, 0.8);
    backdrop-filter: blur(10px);
}

/* Ensure all card-based sections have consistent styling */
.city-vision,
.regulatory-frameworks,
.use-cases-grid-section,
.orchestration-principles {
    background: rgba(255, 255, 255, 0.6) !important;
    backdrop-filter: blur(10px);
}

/* Footer */
footer {
    background: #1a1a1a;
    color: white;
    text-align: center;
    padding: 2rem 0;
    border-top: 4px solid #3498db;
}

/* Responsive design */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Reduce section padding on mobile */
    .section {
        padding: 40px 0;
    }
    
    .startup-timeline {
        padding: 35px 0;
    }
    
    .technical-architecture {
        padding: 35px 0;
    }
    
    .design-principles {
        padding: 40px 0;
    }
    
    .regulatory-highlight {
        padding: 40px 0;
    }
    
    .regulatory-frameworks {
        padding: 35px 0;
    }
    
    .compliance-features {
        padding: 40px 0;
    }
    
    .use-cases-grid-section {
        padding: 35px 0;
    }
    
    .architecture-benefits {
        padding: 40px 0;
    }
    
    .smart-cities-use-cases {
        padding: 40px 0;
    }
    
    .orchestration-principles {
        padding: 35px 0;
    }
    
    /* Tighter spacing for mobile */
    .section h2 {
        margin-bottom: 1.5rem;
    }
    
    .section p {
        margin-bottom: 0.75rem;
    }
    
    /* Hero responsive adjustments */
    .hero-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .hero-with-image .hero-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .hero-img {
        transform: none;
        border-radius: 10px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    }
    
    .hero-img:hover {
        transform: scale(1.02);
    }
    
    /* Regulatory section responsive adjustments */
    .regulatory-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .regulatory-with-image .regulatory-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .regulatory-text {
        order: 2;
    }
    
    .regulatory-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .regulatory-img {
        transform: none;
        border-radius: 10px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.3);
        padding: 8px;
    }
    
    .regulatory-img:hover {
        transform: scale(1.02);
    }
    
    /* Regulatory hero responsive adjustments */
    .regulatory-hero-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .regulatory-hero-with-image .hero-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .regulatory-hero-with-image .hero-text {
        order: 2;
    }
    
    .regulatory-hero-with-image .hero-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .regulatory-hero-img {
        transform: none;
        border-radius: 10px;
        padding: 10px;
        border: 1px solid rgba(255,255,255,0.3);
        box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    }
    
    .regulatory-hero-img:hover {
        transform: scale(1.02);
    }
    
    /* Vision hero responsive adjustments */
    .vision-hero-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .vision-hero-with-image .hero-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .vision-hero-with-image .hero-text {
        order: 2;
    }
    
    .vision-hero-with-image .hero-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .vision-hero-img {
        transform: none;
        border-radius: 10px;
        padding: 10px;
        border: 1px solid rgba(255,255,255,0.3);
        box-shadow: 0 10px 25px rgba(0,0,0,0.4);
    }
    
    .vision-hero-img:hover {
        transform: scale(1.02);
    }
    
    /* Smart Cities hero responsive adjustments */
    .smart-cities-hero-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .smart-cities-hero-with-image .hero-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .smart-cities-hero-with-image .hero-text {
        order: 2;
    }
    
    .smart-cities-hero-with-image .hero-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .smart-city-img {
        transform: none;
        border-radius: 10px;
        padding: 10px;
        border: 1px solid rgba(255,255,255,0.4);
        box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    }
    
    .smart-city-img:hover {
        transform: scale(1.02);
    }
    
    /* Use Cases hero responsive adjustments */
    .use-cases-hero-with-image {
        padding: 60px 0;
        text-align: center;
    }
    
    .use-cases-hero-with-image .hero-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 20px;
    }
    
    .use-cases-hero-with-image .hero-text {
        order: 2;
    }
    
    .use-cases-hero-with-image .hero-image {
        order: 1;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .use-case-img {
        transform: none;
        border-radius: 10px;
        padding: 10px;
        border: 1px solid rgba(255,255,255,0.4);
        box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    }
    
    .use-case-img:hover {
        transform: scale(1.02);
    }
    
    .regulatory-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin: 2rem 0;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-image {
        max-width: 320px;
    }
    
    .hero-img {
        border-radius: 8px;
    }
    
    .regulatory-image {
        max-width: 320px;
    }
    
    .regulatory-img {
        border-radius: 8px;
        padding: 6px;
    }
    
    .regulatory-hero-with-image .hero-image {
        max-width: 320px;
    }
    
    .regulatory-hero-img {
        border-radius: 8px;
        padding: 8px;
    }
    
    .vision-hero-with-image .hero-image {
        max-width: 320px;
    }
    
    .vision-hero-img {
        border-radius: 8px;
        padding: 8px;
    }
    
    .smart-cities-hero-with-image .hero-image {
        max-width: 320px;
    }
    
    .smart-city-img {
        border-radius: 8px;
        padding: 8px;
    }
    
    .use-cases-hero-with-image .hero-image {
        max-width: 320px;
    }
    
    .use-case-img {
        border-radius: 8px;
        padding: 8px;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
}

@media (min-width: 1000px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Regulatory page specific styles */
.regulatory-hero {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

/* Enhanced regulatory hero with image */
.regulatory-hero-with-image {
    padding: 100px 0;
    text-align: left;
}

.regulatory-hero-with-image .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.regulatory-hero-img {
    border: 2px solid rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.1);
    padding: 15px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}

.regulatory-hero-img:hover {
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.15);
}

.regulatory-frameworks {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.framework-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.framework-category {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-top: 4px solid #3498db;
}

.framework-category h3 {
    color: #2c3e50;
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.framework-category ul {
    list-style: none;
    padding: 0;
}

.framework-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ecf0f1;
    color: #555;
    font-size: 0.95rem;
}

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

.framework-category li::before {
    content: "✓";
    color: #27ae60;
    font-weight: bold;
    margin-right: 0.5rem;
}

.coverage-summary {
    text-align: center;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-top: 4px solid #2980b9;
}

.coverage-summary h3 {
    color: white;
    border-bottom: 2px solid rgba(255,255,255,0.2);
    margin-bottom: 1rem;
}

.coverage-summary p {
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.stats {
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: white;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.25rem;
}

.compliance-features {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 4px solid #27ae60;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.cta-section {
    background: #2c3e50 !important;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
    color: white !important;
    text-align: center;
    min-height: 200px;
    padding: 80px 0 !important;
}

.cta-section h2 {
    color: white !important;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255,255,255,0.9) !important;
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-section .container {
    background: rgba(0,0,0,0.2);
    padding: 40px;
    border-radius: 10px;
    max-width: 800px;
}

/* Responsive adjustments for regulatory page */
@media (max-width: 768px) {
    .framework-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .framework-category {
        padding: 1.5rem;
    }
}

/* Use Cases page specific styles */
.use-cases-hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Enhanced use cases hero with image */
.use-cases-hero-with-image {
    padding: 100px 0;
    text-align: left;
}

.use-cases-hero-with-image .hero-content {
    display: flex;
    align-items: center;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.use-case-img {
    border: 2px solid rgba(255,255,255,0.3);
    background: rgba(255,255,255,0.1);
    padding: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.use-case-img:hover {
    border-color: rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.15);
}

.use-cases-grid-section {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.industry-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    margin-top: 3rem;
}

.industry-section h3 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid #3498db;
    text-align: center;
}

.use-case-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.use-case-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #3498db;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.use-case-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.use-case-card h4 {
    color: #2c3e50;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.use-case-card p {
    margin: 0.75rem 0;
    line-height: 1.6;
    font-size: 0.95rem;
    color: #555;
}

.use-case-card p strong {
    color: #2c3e50;
    font-weight: 600;
}

.capabilities {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.capability-tag {
    background: #ecf0f1;
    color: #2c3e50;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #bdc3c7;
}

.capability-tag:nth-child(3n+1) {
    background: #e8f5e8;
    color: #27ae60;
    border-color: #27ae60;
}

.capability-tag:nth-child(3n+2) {
    background: #e3f2fd;
    color: #2980b9;
    border-color: #2980b9;
}

.capability-tag:nth-child(3n+3) {
    background: #fdf2e9;
    color: #e67e22;
    border-color: #e67e22;
}

.architecture-benefits {
    padding: 80px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    border-top: 4px solid #27ae60;
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.benefit-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
    text-align: left;
}

/* Responsive adjustments for use cases page */
@media (max-width: 768px) {
    .use-case-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .industry-section h3 {
        font-size: 1.5rem;
    }
    
    .use-case-card {
        padding: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .capabilities {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .use-case-cards {
        grid-template-columns: 1fr;
    }
    
    .use-case-card {
        padding: 1rem;
    }
    
    .capability-tag {
        font-size: 0.75rem;
        padding: 0.25rem 0.6rem;
    }
}

/* ============================================
   SAPP & Platform Expansion Styles (Feb 2026)
   ============================================ */

/* 6-card protocol grid */
.protocols-grid-6 {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 1.5rem;
}

.protocol-card-highlight {
    border-color: #e67e22 !important;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.05), rgba(255, 255, 255, 1)) !important;
}

.protocol-card-highlight h3 {
    color: #e67e22 !important;
}

.protocol-card-highlight a {
    color: #e67e22;
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid #e67e22;
}

.protocol-card-highlight a:hover {
    color: #d35400;
}

@media (max-width: 900px) {
    .protocols-grid-6 {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 600px) {
    .protocols-grid-6 {
        grid-template-columns: 1fr !important;
    }
}

/* Additional architecture component colours for 6 components */
.architecture-component:nth-child(4) {
    border-left-color: #9b59b6;
}
.architecture-component:nth-child(4) li::before {
    color: #9b59b6;
}
.architecture-component:nth-child(5) {
    border-left-color: #1abc9c;
}
.architecture-component:nth-child(5) li::before {
    color: #1abc9c;
}
.architecture-component:nth-child(6) {
    border-left-color: #f39c12;
}
.architecture-component:nth-child(6) li::before {
    color: #f39c12;
}

/* SAPP Highlight section on homepage */
.sapp-highlight {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
    color: white !important;
    padding: 80px 0;
}

.sapp-highlight h2 {
    color: white !important;
    text-align: center;
    margin-bottom: 1rem;
}

.sapp-highlight > .container > p {
    color: #ffffff !important;
    text-align: center;
    font-size: 1.15rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.sapp-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.sapp-stat {
    text-align: center;
    background: rgba(255,255,255,0.12);
    padding: 2rem 1rem;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.25);
}

.sapp-stat .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: #e67e22;
    margin-bottom: 0.5rem;
}

.sapp-stat .stat-label {
    display: block;
    font-size: 0.9rem;
    color: #ffffff;
}

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

.sapp-feature {
    background: rgba(255,255,255,0.12);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #e67e22;
}

.sapp-feature h4 {
    color: #e67e22;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.sapp-feature p {
    color: #ffffff !important;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.sapp-highlight .cta-button {
    display: block;
    width: fit-content;
    margin: 2rem auto 0;
    background: #e67e22;
    color: white;
}

.sapp-highlight .cta-button:hover {
    background: #d35400;
}

@media (max-width: 768px) {
    .sapp-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .sapp-features {
        grid-template-columns: 1fr;
    }
    .sapp-stat .stat-number {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .sapp-stats {
        grid-template-columns: 1fr;
    }
}

/* Evidence page styles */
.evidence-hero {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    text-align: center;
    padding: 100px 0 80px;
}

.evidence-hero .hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.evidence-hero h2 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.evidence-hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

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

.comparison-card {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.comparison-bad {
    background: #fdf2f2;
    border-left: 4px solid #e74c3c;
}

.comparison-good {
    background: #f0fdf4;
    border-left: 4px solid #27ae60;
}

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

.comparison-card ul {
    list-style: none;
    padding: 0;
}

.comparison-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.95rem;
    color: #555;
    line-height: 1.6;
}

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

@media (max-width: 768px) {
    .problem-comparison {
        grid-template-columns: 1fr;
    }
}

/* Evidence flow steps */
.evidence-flow {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.evidence-step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    background: white;
    padding: 1.5rem 2rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
}

.evidence-step-number {
    min-width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #e67e22, #d35400);
    color: white;
    font-size: 1.3rem;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.evidence-step-content h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.evidence-step-content p {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.evidence-step-content code {
    background: #ecf0f1;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: #e67e22;
}

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

.perf-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.perf-sapp .perf-value {
    display: block;
    font-size: 1.8rem;
    font-weight: bold;
    color: #27ae60;
}

.perf-sapp .perf-label,
.perf-other .perf-label {
    display: block;
    font-size: 0.8rem;
    color: #666;
    margin-top: 0.25rem;
}

.perf-vs {
    font-size: 1rem;
    color: #999;
    margin: 0.75rem 0;
    font-style: italic;
}

.perf-other .perf-value {
    display: block;
    font-size: 1.4rem;
    font-weight: bold;
    color: #e74c3c;
}

.perf-note {
    font-size: 0.9rem;
    color: #27ae60;
    font-weight: 500;
    margin: 0;
}

@media (max-width: 768px) {
    .perf-grid {
        grid-template-columns: 1fr;
    }
}

/* Deployment tiers */
.deployment-tiers {
    margin-top: 3rem;
}

.deployment-tiers h3 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 2rem;
}

.tiers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tier-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    text-align: center;
    border-top: 4px solid #3498db;
}

.tier-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.tier-rps {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
    color: #e67e22;
    margin-bottom: 0.5rem;
}

.tier-card p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

@media (max-width: 768px) {
    .tiers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .tiers-grid {
        grid-template-columns: 1fr;
    }
}

/* Assertions grid */
.assertions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.assertion-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.assertion-card:first-child {
    border-left: 4px solid #e67e22;
}

.assertion-card:last-child {
    border-left: 4px solid #3498db;
}

.assertion-card h4 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.assertion-card ul {
    list-style: none;
    padding: 0;
}

.assertion-card li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #ecf0f1;
    font-size: 0.95rem;
    color: #555;
    padding-left: 1.25rem;
    position: relative;
}

.assertion-card li::before {
    content: "\2192";
    position: absolute;
    left: 0;
    font-weight: bold;
}

.assertion-card:first-child li::before {
    color: #e67e22;
}

.assertion-card:last-child li::before {
    color: #3498db;
}

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

.non-repudiation-callout {
    background: linear-gradient(135deg, #fdf2e9, #fef9f3);
    border: 2px solid #e67e22;
    border-radius: 10px;
    padding: 2rem;
    margin-top: 2rem;
}

.non-repudiation-callout h4 {
    color: #e67e22;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.non-repudiation-callout p {
    color: #555;
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 768px) {
    .assertions-grid {
        grid-template-columns: 1fr;
    }
}

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

.evidence-case {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    border-top: 4px solid #e67e22;
}

.evidence-case h4 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.05rem;
}

.evidence-case p {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 900px) {
    .evidence-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .evidence-cases-grid {
        grid-template-columns: 1fr;
    }
}

/* SDK grid */
.sdk-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.sdk-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    text-align: center;
    border-top: 4px solid #3498db;
}

.sdk-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.sdk-card p {
    color: #555;
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.sdk-signing {
    display: inline-block;
    background: #e8f5e8;
    color: #27ae60;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid #27ae60;
}

.hardware-signing-callout {
    background: linear-gradient(135deg, #e8f5e8, #f0fdf4);
    border: 2px solid #27ae60;
    border-radius: 10px;
    padding: 2rem;
    margin-top: 2rem;
}

.hardware-signing-callout h4 {
    color: #27ae60;
    margin-bottom: 0.75rem;
}

.hardware-signing-callout p {
    color: #555;
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 900px) {
    .sdk-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .sdk-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .sdk-grid {
        grid-template-columns: 1fr;
    }
}

/* Evidence page regulatory grid */
.reg-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.reg-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #2c3e50;
}

.reg-card h4 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.reg-card p {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .reg-grid {
        grid-template-columns: 1fr;
    }
}

/* Buyers grid */
.buyers-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.buyer-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    text-align: center;
    border-top: 3px solid #e67e22;
    transition: transform 0.3s ease;
}

.buyer-card:hover {
    transform: translateY(-3px);
}

.buyer-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.buyer-card p {
    color: #666;
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 900px) {
    .buyers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .buyers-grid {
        grid-template-columns: 1fr;
    }
}

/* EU AI Act article mapping on regulatory page */
.eu-ai-act-mapping {
    background: rgba(255, 255, 255, 0.6) !important;
    backdrop-filter: blur(10px);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.article-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-left: 4px solid #2c3e50;
    transition: transform 0.3s ease;
}

.article-card:hover {
    transform: translateY(-3px);
}

.article-number {
    display: inline-block;
    background: #2c3e50;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 0.75rem;
}

.article-card h4 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.article-card p {
    color: #555;
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.eidas-bridge {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    padding: 2.5rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.eidas-bridge h3 {
    color: white;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.eidas-bridge p {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    line-height: 1.7;
    margin: 0;
}

/* Use cases: SAPP industry highlight */
.industry-section-highlight {
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.03), rgba(255, 255, 255, 0.8));
    border: 2px solid rgba(230, 126, 34, 0.2);
    border-radius: 15px;
    padding: 2rem;
}

.industry-section-highlight h3 {
    border-bottom-color: #e67e22 !important;
}

.industry-section-highlight .use-case-card {
    border-left-color: #e67e22;
}

.industry-intro {
    text-align: center;
    color: #666;
    font-size: 1rem;
    margin-top: -1rem;
    margin-bottom: 2rem;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}