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

body {
    font-family: 'Inter', sans-serif;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    color: #0f172a;
    height: 100vh;
    position: relative;
}

.slides-container {
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.6s ease-in-out;
    padding: 40px;
}

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

.slide.prev {
    transform: translateX(-100%);
}

/* Title Slide */
.title-slide {
    background: radial-gradient(ellipse at center, #ffffff 0%, #f1f5f9 100%);
    text-align: center;
}

.title-slide h1 {
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #1e40af, #1e3a8a);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

.subtitle {
    font-size: 1.8rem;
    color: #1e293b;
    font-weight: 400;
    margin-bottom: 3rem;
}

.speaker-info {
    font-size: 1.2rem;
    color: #334155;
    font-weight: 500;
}

/* Content Slides */
.content-slide {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.slide-content {
    max-width: 1200px;
    width: 100%;
}

.slide h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #0f172a;
    font-weight: 700;
    animation: slideIn 0.8s ease-out;
}

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

.slide p {
    font-size: 1.4rem;
    line-height: 2;
    margin-bottom: 1.5rem;
    color: #0f172a;
    font-weight: 400;
    animation: fadeIn 1s ease-out 0.3s both;
}

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

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

.stat-card {
    background: #ffffff;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transform: scale(0);
    animation: popIn 0.5s ease-out forwards;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-card:nth-child(1) { animation-delay: 0.2s; }
.stat-card:nth-child(2) { animation-delay: 0.4s; }
.stat-card:nth-child(3) { animation-delay: 0.6s; }
.stat-card:nth-child(4) { animation-delay: 0.8s; }

@keyframes popIn {
    to { transform: scale(1); }
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #1e40af;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #0f172a;
    font-weight: 500;
}

/* Visual Elements */
.icon-container {
    font-size: 4rem;
    color: #1e40af;
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* List Styles */
.feature-list {
    list-style: none;
    font-size: 1.3rem;
    line-height: 2.5;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    opacity: 0;
    animation: slideRight 0.6s ease-out forwards;
    color: #0f172a;
    font-weight: 500;
}

.feature-list li:nth-child(1) { animation-delay: 0.2s; }
.feature-list li:nth-child(2) { animation-delay: 0.4s; }
.feature-list li:nth-child(3) { animation-delay: 0.6s; }
.feature-list li:nth-child(4) { animation-delay: 0.8s; }
.feature-list li:nth-child(5) { animation-delay: 1s; }

@keyframes slideRight {
    from { transform: translateX(-30px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.feature-list li i {
    color: #1e40af;
    margin-right: 1rem;
    font-size: 1.5rem;
}

/* Navigation Indicators */
.nav-indicators {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 100;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: #1e40af;
    width: 40px;
    border-radius: 6px;
}

/* Navigation Hints */
.nav-hint {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    color: #1e293b;
    font-size: 0.9rem;
    font-weight: 500;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.visual-element {
    display: flex;
    justify-content: center;
    align-items: center;
}

.generation-graphic {
    position: relative;
    width: 300px;
    height: 300px;
}

.generation-circle {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.elder-circle {
    width: 150px;
    height: 150px;
    background: rgba(248, 113, 113, 0.2);
    border: 2px solid #ef4444;
    top: 0;
    left: 0;
    animation: float 3s ease-in-out infinite;
}

.youth-circle {
    width: 150px;
    height: 150px;
    background: rgba(74, 222, 128, 0.2);
    border: 2px solid #22c55e;
    bottom: 0;
    right: 0;
    animation: float 3s ease-in-out infinite 1.5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.gap-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, #ef4444, #22c55e);
    opacity: 0.5;
}

/* Call to Action */
.cta-section {
    text-align: center;
    margin-top: 3rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, #1e40af, #1e3a8a);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(59, 130, 246, 0); }
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(59, 130, 246, 0.3);
}

/* New Component Styles */

/* Prompt Box */
.prompt-box {
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid #475569;
}

.prompt-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #60a5fa;
    font-weight: 600;
    font-size: 0.9rem;
}

.prompt-text {
    color: #ffffff;
    font-family: 'Courier New', monospace;
    font-size: 1.3rem;
    margin: 0;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Book Transformation */
.book-transformation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.book-before, .book-after {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.book-before i, .book-after i {
    font-size: 3rem;
    color: #3b82f6;
}

.arrow-down {
    font-size: 2rem;
    color: #22c55e;
    animation: bounce 2s ease-in-out infinite;
}

/* Media Showcase */
.video-placeholder {
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    border: 2px dashed #475569;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.video-placeholder i {
    font-size: 4rem;
    color: #60a5fa;
    margin-bottom: 1rem;
}

.video-placeholder h3 {
    color: #e2e8f0;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.video-placeholder p {
    color: #94a3b8;
    max-width: 400px;
}

/* Learning Examples */
.learning-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.learning-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.learning-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.learning-card i {
    font-size: 3rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.learning-card h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.learning-card p {
    color: #64748b;
    font-size: 0.9rem;
}

/* Visualization Placeholder */
.visualization-placeholder {
    margin-top: 2rem;
}

.viz-container {
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    border: 2px solid #cbd5e1;
}

.viz-container i {
    font-size: 4rem;
    color: #3b82f6;
    margin-bottom: 1rem;
}

.viz-container h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.viz-container p {
    color: #64748b;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.viz-features {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-tag {
    background: #3b82f6;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Fraction Examples */
.fraction-examples {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
}

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

.pizza-visual {
    font-size: 2rem;
}

.fraction-demo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: #1e293b;
}

/* Personalization Flow */
.personalization-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.flow-step {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    min-width: 200px;
    border: 1px solid #e2e8f0;
}

.step-icon {
    background: #3b82f6;
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.flow-step h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.flow-step p {
    color: #1e293b;
    font-size: 1rem;
    font-weight: 500;
}

.flow-arrow {
    font-size: 2rem;
    color: #3b82f6;
}

/* Customization Examples */
.customization-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.custom-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease;
}

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

.custom-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.custom-card h3 {
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.custom-card p {
    color: #64748b;
    font-size: 0.9rem;
}

/* Utility Classes */
.center-content {
    text-align: center;
}

.subtitle-text {
    font-size: 1.2rem;
    color: #64748b;
    text-align: center;
    margin-bottom: 3rem;
    font-style: italic;
}

/* Additional Component Styles */

/* Title Illustration */
.title-illustration {
    margin-bottom: 2rem;
}

.ai-brain {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5rem;
    color: #3b82f6;
    margin-bottom: 2rem;
}

.neural-network {
    position: absolute;
    width: 200px;
    height: 200px;
    pointer-events: none;
}

.node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #60a5fa;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.node:nth-child(1) { top: 20%; left: 20%; animation-delay: 0s; }
.node:nth-child(2) { top: 20%; right: 20%; animation-delay: 0.5s; }
.node:nth-child(3) { bottom: 20%; left: 20%; animation-delay: 1s; }
.node:nth-child(4) { bottom: 20%; right: 20%; animation-delay: 1.5s; }

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #60a5fa, transparent);
    animation: dataFlow 3s ease-in-out infinite;
}

.connection:nth-child(5) {
    top: 30%;
    left: 25%;
    width: 50%;
    transform: rotate(15deg);
}

.connection:nth-child(6) {
    bottom: 30%;
    left: 25%;
    width: 50%;
    transform: rotate(-15deg);
    animation-delay: 1.5s;
}

@keyframes dataFlow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Transformation Demo */
.transformation-demo {
    margin-top: 2rem;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
}

.book-section {
    padding: 1.5rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.book-section h4 {
    color: #3b82f6;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.text-sample {
    padding: 1rem;
    border-radius: 8px;
    font-style: italic;
    line-height: 1.6;
}

.text-sample.complex {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid #ef4444;
    color: #1e293b;
}

.text-sample.fun {
    background: rgba(34, 197, 94, 0.1);
    border-left: 4px solid #22c55e;
    color: #1e293b;
}

.magic-arrow {
    font-size: 3rem;
    color: #f59e0b;
    animation: bounce 2s ease-in-out infinite;
}

/* Asset Container */
.asset-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.asset-container {
    max-width: 100%;
    max-height: 100%;
}

.asset-container img {
    max-width: 100%;
    max-height: 400px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.fun-book-demo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    padding: 2rem;
}

.book-cover {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    min-width: 300px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.book-cover h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.stars {
    font-size: 1.5rem;
    margin: 1rem 0;
}

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

.feature {
    background: rgba(255, 255, 255, 0.9);
    color: #1e293b;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
}

/* Video Container */
.video-container {
    margin-bottom: 2rem;
}

.video-container iframe {
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.video-caption {
    text-align: center;
    margin-top: 1rem;
    color: #64748b;
    font-style: italic;
}

/* Podcast Benefits */
.podcast-benefits {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.benefit-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 120px;
}

.benefit-card i {
    font-size: 2rem;
    color: #3b82f6;
}

/* Learning Showcase */
.learning-showcase {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 2rem;
}

.showcase-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-5px);
}

.showcase-item i {
    font-size: 3rem;
    color: #3b82f6;
}

.showcase-item h4 {
    color: #1e293b;
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 0.5rem;
}

.showcase-item p {
    color: #1e293b;
    font-size: 1.1rem;
    text-align: center;
    margin: 0;
    font-weight: 500;
}

/* Code Demo */
.code-demo {
    width: 100%;
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(59, 130, 246, 0.3);
}

.code-demo iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Customization Grid */
.customization-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.custom-example {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Examples Showcase */
.examples-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.example-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 2rem;
    color: #1e293b;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.1);
}

.example-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.example-header i {
    font-size: 2rem;
    color: #3b82f6;
}

.example-header h3 {
    color: #1e293b;
    font-size: 1.3rem;
}

.example-content p {
    margin-bottom: 0.8rem;
    color: #475569;
}

.example-demo {
    background: #f8fafc;
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    font-style: italic;
    margin-top: 1rem;
}

.molecule-demo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.2rem;
    font-family: monospace;
    font-size: 1.2rem;
}

.atom {
    background: #3b82f6;
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 50%;
    font-weight: bold;
}

.bond {
    color: #64748b;
    font-weight: bold;
}

/* Preview Content Styles */
.preview-content {
    text-align: center;
    padding: 2rem;
}

.preview-content h3 {
    color: #1e293b;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.preview-content p {
    color: #1e293b;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 500;
    line-height: 1.6;
}

.preview-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Enhanced CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    animation: ctaPulse 2s ease-in-out infinite;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.cta-button i {
    font-size: 1.2rem;
}

/* Learning Styles Grid */
.learning-styles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.style-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    border: 2px solid rgba(59, 130, 246, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.style-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.style-icon {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
}

.style-card h3 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    font-weight: 700;
}

.style-card p {
    color: #1e293b;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .slide { padding: 30px; }
    .title-slide h1 { font-size: 2.5rem; }
    .subtitle { font-size: 1.2rem; }
    .slide h2 { font-size: 2rem; }
    .slide p { font-size: 1.1rem; }
    .two-column { grid-template-columns: 1fr; gap: 2rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .learning-examples { grid-template-columns: 1fr; }
    .customization-examples { grid-template-columns: 1fr; }
    .customization-grid { grid-template-columns: 1fr; }
    .personalization-flow { flex-direction: column; }
    .flow-arrow { transform: rotate(90deg); }
    .fraction-examples { flex-direction: column; align-items: center; }
    .viz-features { justify-content: center; }
    .before-after { grid-template-columns: 1fr; gap: 1rem; }
    .magic-arrow { transform: rotate(90deg); }
    .learning-showcase { flex-direction: column; align-items: center; }
    .podcast-benefits { flex-direction: column; align-items: center; }
    .examples-showcase { grid-template-columns: 1fr; }
    .neural-network { width: 150px; height: 150px; }
    .ai-brain { font-size: 3rem; }
}

/* New styles for additional slides */

/* Language Showcase */
.language-showcase {
    margin-top: 2rem;
}

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

.language-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.language-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.language-card i {
    font-size: 3rem;
    color: #60a5fa;
    margin-bottom: 1rem;
}

.language-card h4 {
    color: #e2e8f0;
    margin-bottom: 0.5rem;
}

/* Language Demo */
.illustration-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
}

.language-demo {
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
    width: 100%;
    max-width: 800px;
}

.concept-translations {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.translation-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem 1.5rem;
    border-radius: 10px;
}

.lang-flag {
    font-size: 2rem;
}

/* Accessibility Features */
.accessibility-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.access-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

.access-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
}

.access-card i {
    font-size: 2.5rem;
    color: #a78bfa;
    margin-bottom: 1rem;
}

/* Accessibility Demo */
.accessibility-demo {
    background: transparent;
    padding: 0;
    border-radius: 20px;
}

.accessibility-demo h3 {
    color: #e2e8f0;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

.access-examples {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.access-example {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.access-example:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.icon-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.3);
}

.icon-wrapper i {
    font-size: 2.2rem;
    color: white;
}

.access-example h4 {
    color: #e2e8f0;
    margin-bottom: 1.5rem;
    text-align: center;
    font-size: 1.3rem;
    font-weight: 600;
}

.access-example ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.access-example li {
    padding: 0.8rem 0;
    color: #cbd5e1;
    font-size: 1rem;
    position: relative;
    padding-left: 1.5rem;
}

.access-example li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Homework Transformation */
.homework-transformation {
    margin-top: 2rem;
}

.transform-examples {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

.transform-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.transform-card.adventure {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.arrow-transform {
    font-size: 2rem;
    color: #60a5fa;
}

/* Interactive Demo Container */
.interactive-demo-container {
    text-align: center;
}

.demo-placeholder {
    background: rgba(255, 255, 255, 0.1);
    padding: 3rem;
    border-radius: 20px;
    margin-top: 2rem;
}

.escape-room-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.demo-button {
    background: #10b981;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.demo-button:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Curiosity Engine */
.curiosity-demo {
    margin-top: 2rem;
}

.question-journey {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.initial-question {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem 3rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.initial-question i {
    font-size: 2rem;
    color: #fbbf24;
}

.initial-question p {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.journey-arrow {
    font-size: 2rem;
    color: #60a5fa;
}

.exploration-paths {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    width: 100%;
}

.path-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
}

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

.path-card.physics {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.path-card.chemistry {
    background: linear-gradient(135deg, #10b981, #059669);
}

.path-card.art {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.path-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Learning Pathways */
.pathways-visualization {
    text-align: center;
    padding: 0;
}

.pathways-visualization h3 {
    color: #e2e8f0;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.pathway-map {
    position: relative;
    margin-top: 1rem;
    min-height: 400px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.central-topic {
    position: absolute;
    top: 25%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    width: 120px;
    height: 120px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
}

.central-topic i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.central-topic span {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

.pathway-branches {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 200px;
}

.branch {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.branch:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.branch > span {
    color: #e2e8f0;
    font-size: 1.2rem;
    font-weight: 600;
    display: block;
    margin-bottom: 1rem;
}

.sub-topics {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-top: 0.8rem;
}

.sub-topics span {
    background: rgba(255, 255, 255, 0.15);
    padding: 0.6rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #cbd5e1;
    transition: all 0.3s ease;
}

.sub-topics span:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #e2e8f0;
}

/* Metrics Dashboard */
.metrics-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.metric-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

.metric-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.metric-icon i {
    font-size: 2.5rem;
    color: #10b981;
}

.metric-visual {
    margin-top: 1.5rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    border-radius: 10px;
    transition: width 1s ease;
}

/* Dashboard Container */
.dashboard-container {
    background: transparent;
    padding: 0;
    border-radius: 20px;
}

.dashboard-container h3 {
    color: #e2e8f0;
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.dashboard-widget {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-widget:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.dashboard-widget h4 {
    color: #e2e8f0;
    margin-bottom: 1.2rem;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
}

.journey-map {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.journey-map::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 0;
}

.milestone {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.milestone i {
    font-size: 1.8rem;
    background: #1e293b;
    border-radius: 50%;
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.milestone.completed i {
    color: #10b981;
    background: rgba(16, 185, 129, 0.2);
}

.milestone.current i {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.2);
}

.milestone span {
    font-size: 0.9rem;
    color: #e2e8f0;
    font-weight: 500;
}

.skills-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skill-item {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.skill-item span {
    color: #e2e8f0;
    font-weight: 600;
    font-size: 1rem;
}

.skill-bar {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 6px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 6px;
    transition: width 1s ease;
}

.engagement-stats {
    display: grid;
    gap: 1.5rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #e2e8f0;
    font-size: 1.1rem;
    font-weight: 500;
}

.stat i {
    color: #fbbf24;
    font-size: 1.3rem;
}

/* Future Vision */
.future-vision {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin: 2rem 0;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.vision-element {
    text-align: center;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.vision-element:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

.icon-circle {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
    transition: all 0.3s ease;
}

.vision-element:hover .icon-circle {
    box-shadow: 0 15px 35px rgba(99, 102, 241, 0.5);
    transform: scale(1.05);
}

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

.vision-element h3 {
    color: #0f172a;
    margin-bottom: 0.8rem;
    font-size: 1.3rem;
    font-weight: 600;
}

.vision-element p {
    color: #334155;
    font-size: 1rem;
    line-height: 1.5;
}

/* Responsive adjustments for new elements */
@media (max-width: 768px) {
    .transform-examples {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .arrow-transform {
        transform: rotate(90deg);
    }
    
    .pathway-branches {
        grid-template-columns: 1fr;
        margin-top: 150px;
    }
    
    .language-grid,
    .exploration-paths,
    .access-examples {
        grid-template-columns: 1fr;
    }
}