@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Soft, Premium, Light */
    --bg-primary: #ffffff;
    --bg-secondary: #fbfbfd;
    --bg-glass: rgba(255, 255, 255, 0.7);
    
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #a1a1a6;
    
    --accent-blue: #0071e3;
    --accent-purple: #9d56ff;
    --accent-glow: rgba(0, 113, 227, 0.15);
    
    --border-soft: rgba(0, 0, 0, 0.08);
    
    /* Spacing & Sizes */
    --section-padding: 120px 20px;
    --max-width: 1200px;
    --border-radius-lg: 24px;
    --border-radius-md: 16px;
    
    /* Transitions */
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.3s ease;

    --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

h1, h2, h3 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Base Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 40px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 24px;
    }
}

section {
    padding: var(--section-padding);
}

.flex-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 64px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-soft);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent-blue);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 600;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 980px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
}

.btn-primary:hover {
    background: #0077ed;
    transform: scale(1.02);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-soft);
}

.btn-secondary:hover {
    background: #f5f5f7;
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-soft);
    border-radius: var(--border-radius-lg);
}

/* Utility Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Hero Styles */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background: radial-gradient(circle at 70% 30%, var(--accent-glow), transparent 40%);
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 550px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-soft);
    border-radius: 980px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 24px;
}

h1 {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

h1 span {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-btns {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

.hero-visual {
    flex: 1;
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.ar-scanner-preview {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.1);
}

.preview-card img {
    width: 100%;
    height: auto;
    display: block;
    filter: saturate(1.1);
}

.scanner-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-blue);
    box-shadow: 0 0 15px var(--accent-blue);
    z-index: 10;
    animation: scan 3s infinite ease-in-out;
}

@keyframes scan {
    0%, 100% { top: 0; }
    50% { top: 100%; }
}

/* Feature Grid */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 3rem;
}

.section-header h2 span {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
}

.feature-card {
    padding: 48px;
    transition: var(--transition-smooth);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
}

.icon {
    width: 48px;
    height: 48px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.icon.blue { color: var(--accent-blue); background: rgba(0, 113, 227, 0.1); }
.icon.purple { color: var(--accent-purple); background: rgba(157, 86, 255, 0.1); }
.icon.gradient { 
    color: white; 
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
}

/* Demo Section */
.demo-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 64px;
    padding: 64px;
    align-items: center;
    position: relative;
}

.demo-info {
    max-width: 400px;
}

.demo-info h2 {
    font-size: 3rem;
    margin-bottom: 24px;
}

.demo-info h2 span {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.demo-interaction-area {
    position: relative;
    background: #fff;
    border: 1px solid var(--border-soft);
    border-radius: var(--border-radius-md);
    height: 400px;
    width: 100%;
    overflow: hidden;
    cursor: none;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
}

.demo-interaction-area.popup-active {
    cursor: crosshair;
}

.textbook-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
}

.textbook-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.9;
}

.interactive-diagram {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
}

.ai-viewfinder {
    position: absolute;
    width: 124px;
    height: 124px;
    transform: translate(-50%, -50%);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 20;
}

.corners,
.corners::before,
.corners::after {
    position: absolute;
    inset: 0;
    border-radius: 18px;
}

.corners {
    border: 1px solid rgba(0, 113, 227, 0.22);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.65) inset;
}

.corners::before,
.corners::after {
    content: '';
    border: 2px solid transparent;
}

.corners::before {
    border-top-color: rgba(0, 113, 227, 0.9);
    border-left-color: rgba(0, 113, 227, 0.9);
}

.corners::after {
    border-right-color: rgba(157, 86, 255, 0.85);
    border-bottom-color: rgba(157, 86, 255, 0.85);
}

.ai-viewfinder .scan-line {
    position: absolute;
    left: 10px;
    right: 10px;
    top: 14px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(0, 113, 227, 0), rgba(0, 113, 227, 0.95), rgba(157, 86, 255, 0));
    box-shadow: 0 0 16px rgba(0, 113, 227, 0.45);
    opacity: 0;
}

.ai-viewfinder.scanning .scan-line {
    opacity: 1;
    animation: scan-sweep 1s infinite ease-in-out;
}

@keyframes scan-sweep {
    0%, 100% { top: 14px; }
    50% { top: calc(100% - 16px); }
}

.ar-floating-model {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition-smooth);
    pointer-events: none;
}

.ar-floating-model.active {
    opacity: 1;
    transform: scale(1);
    pointer-events: auto;
}

.model-core {
    width: 92px;
    height: 92px;
    background:
        radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.08) 32%, transparent 34%),
        radial-gradient(circle at 50% 45%, rgba(122, 215, 255, 0.95), rgba(0, 113, 227, 0.65) 55%, rgba(3, 24, 62, 0.95) 100%);
    border-radius: 50%;
    box-shadow:
        0 0 30px rgba(0, 113, 227, 0.24),
        0 0 70px rgba(122, 215, 255, 0.18);
    animation: floating 3s infinite ease-in-out;
    position: relative;
    z-index: 3;
}

.model-orbit {
    position: absolute;
    border: 1px solid rgba(122, 215, 255, 0.45);
    border-radius: 50%;
    animation: rotation 10s infinite linear;
    z-index: 2;
}

.orbit-one {
    width: 160px;
    height: 160px;
}

.orbit-two {
    width: 220px;
    height: 110px;
    transform: rotate(65deg);
    animation-duration: 12s;
}

.orbit-three {
    width: 240px;
    height: 120px;
    transform: rotate(-18deg);
    animation-duration: 9s;
}

.model-aura {
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(123, 216, 255, 0.35), rgba(0, 113, 227, 0.1) 45%, transparent 70%);
    filter: blur(10px);
    z-index: 1;
    animation: aura-pulse 4s infinite ease-in-out;
}

@keyframes floating {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes aura-pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

@keyframes rotation {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.model-caption {
    position: absolute;
    width: 320px;
    top: 50%;
    left: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 24px;
    transform: translate(-50%, -50%);
    box-shadow: 
        0 20px 50px rgba(0, 113, 227, 0.15),
        0 0 0 1px rgba(0, 113, 227, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.4);
    text-align: center;
    z-index: 10;
}

.model-caption h4 {
    color: var(--accent-blue);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: 0.12em;
}

.model-caption p {
    color: var(--text-primary);
    font-size: 0.85rem;
    line-height: 1.5;
    opacity: 0.82;
}

.status-indicator {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot {
    width: 8px;
    height: 8px;
    background: #ccc;
    border-radius: 50%;
}

.dot.active { background: var(--accent-blue); animation: blink 1s infinite; }
.dot.success { background: #34c759; }

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

/* Analytics Section */
.analytics-section .flex-row {
    align-items: stretch;
}

.analytics-section .container {
    gap: 60px;
}

.analytics-visual {
    flex: 1;
    display: flex;
}

.dashboard-preview {
    flex: 1;
    padding: 50px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 40px;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 15px;
    height: 200px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-soft);
}

.chart-bars .bar {
    flex: 1;
    background: rgba(0, 113, 227, 0.2);
    border-radius: 8px 8px 0 0;
    transition: var(--transition-smooth);
}

.chart-bars .bar.highlight {
    background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat {
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.stat span {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.analytics-content {
    flex: 1;
}

.analytics-content h2 {
    font-size: 3rem;
    margin-bottom: 24px;
}

.analytics-content h2 span {
    background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.benefit-list {
    list-style: none;
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit-list li {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 16px 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    cursor: default;
}

.benefit-list li:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 113, 227, 0.2);
    box-shadow: 0 10px 30px rgba(0, 113, 227, 0.08);
}

.benefit-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(0, 113, 227, 0.15);
    transition: transform 0.3s ease;
}

.benefit-list li:hover .benefit-icon {
    transform: rotate(5deg) scale(1.1);
}

.benefit-list li span {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* Subjects Section */
.subjects-section {
    background: radial-gradient(circle at 10% 90%, var(--accent-glow), transparent 40%);
}

.subject-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
    max-width: 900px;
    margin: 0 auto;
}

.subject-pill {
    background: var(--bg-primary);
    border: 1px solid var(--border-soft);
    padding: 16px 24px;
    border-radius: 980px;
    font-size: 1.1rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.subject-pill:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.05);
    border-color: var(--accent-blue);
}

.subject-pill .icon {
    font-size: 1.5rem;
}

/* How It Works */
.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: 0 10px 20px var(--accent-glow);
}

.step h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.step-connector {
    flex: 0.5;
    height: 2px;
    background: var(--border-soft);
    margin-top: 32px;
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: var(--accent-blue);
    transition: width 1s ease;
}

.steps-container:hover .step-connector::after {
    width: 100%;
}

/* Testimonials Section */
.testimonials-section {
    background: var(--bg-primary);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    padding: 40px;
}

.stars {
    color: #FFB800;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.quote {
    font-size: 1.25rem;
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 30px;
    line-height: 1.6;
}

.author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--bg-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border: 1px solid var(--border-soft);
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-soft);
    border-radius: var(--border-radius-md);
    padding: 30px;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border-color: var(--accent-blue);
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

/* CTA Section */
.cta-section {
    padding: 160px 20px;
    text-align: center;
}

.cta-card {
    max-width: 800px;
    margin: 0 auto;
    padding: 80px 40px;
}

.cta-card h2 {
    font-size: 3.5rem;
    margin-bottom: 24px;
}

.cta-card h2 span {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-card p {
    font-size: 1.2rem;
    margin-bottom: 40px;
}

.shadow-glow {
    box-shadow: 0 10px 30px rgba(0, 113, 227, 0.3);
}

/* Footer */
footer {
    padding: 80px 20px 40px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-soft);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
    text-align: left;
}

.footer-brand p {
    margin-top: 20px;
    max-width: 300px;
    font-size: 1rem;
}

.footer-links h4, .footer-newsletter h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-blue);
}

.footer-newsletter p {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.newsletter-form {
    display: flex;
    gap: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.newsletter-form input:focus {
    border-color: var(--accent-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-soft);
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--text-tertiary);
}

.legal-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-left: 20px;
    transition: var(--transition-fast);
}

.legal-links a:hover {
    color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --max-width: 1000px;
    }
}

@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 20px;
    }
    
    .section-header h2, .demo-info h2, .analytics-content h2 { font-size: 2.5rem; }
}

@media (max-width: 968px) {
    nav {
        padding: 0 24px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        box-shadow: -15px 0 40px rgba(0,0,0,0.08);
        transition: var(--transition-smooth);
        z-index: 1000;
        border-left: 1px solid var(--border-soft);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.25rem;
        font-weight: 600;
    }

    .nav-cta {
        display: none; 
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
        gap: 60px;
    }

    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-btns {
        justify-content: center;
        width: 100%;
    }

    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }

    .flex-row {
        flex-direction: column;
        gap: 40px;
    }

    .demo-container {
        grid-template-columns: 1fr;
        padding: 40px 24px;
        gap: 40px;
        text-align: center;
    }

    .demo-info {
        max-width: 100%;
    }

    .demo-interaction-area {
        height: 350px;
    }

    .steps-container {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }

    .step-connector {
        width: 2px;
        height: 40px;
        margin-top: 0;
    }
    
    .step-connector::after {
        width: 100%;
        height: 0%;
        transition: height 1s ease;
    }
    
    .steps-container:hover .step-connector::after {
        height: 100%;
    }

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h2, .demo-info h2, .analytics-content h2, .cta-card h2 {
        font-size: clamp(2rem, 6vw, 2.5rem);
    }
}

@media (max-width: 576px) {
    .hero-btns {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .legal-links a {
        margin: 0 10px;
    }
    
    .cta-card {
        padding: 60px 24px;
    }

    .demo-interaction-area {
        height: 300px;
    }

    .model-caption {
        width: calc(100% - 40px);
        max-width: 320px;
        padding: 16px;
    }
    
    .container {
        padding: 0 20px;
    }
}