/* YSenseAI v4.5-Beta Website Styles */
/* Design Philosophy: C-S-P Applied - Compression (Visual), State (Identity), Propagation (Journey) */

/* ===== CSS Variables ===== */
:root {
    /* Colors - Wisdom Theme */
    --wisdom-blue: #0f172a;
    --wisdom-blue-light: #1e293b;
    --wisdom-blue-medium: #334155;
    --insight-gold: #f59e0b;
    --insight-gold-light: #fbbf24;
    --trust-green: #10b981;
    --trust-green-light: #34d399;
    --ethics-purple: #8b5cf6;
    --ethics-purple-light: #a78bfa;
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --gradient-green: linear-gradient(135deg, #10b981 0%, #34d399 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #a78bfa 100%);
    --gradient-hero: linear-gradient(135deg, #f59e0b 0%, #10b981 50%, #8b5cf6 100%);
    
    /* Spacing */
    --section-padding: 6rem 0;
    --container-max: 1280px;
    --card-radius: 1rem;
    --border-radius-sm: 0.5rem;
    --border-radius-lg: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--wisdom-blue);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===== Utilities ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.gradient-text {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gradient-text-green {
    background: var(--gradient-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text sup {
    font-size: 0.6em;
    color: var(--insight-gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--wisdom-blue-light);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-fast);
}

.nav-btn:hover {
    background: var(--wisdom-blue-medium);
    border-color: var(--insight-gold);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 158, 11, 0.15), transparent),
                radial-gradient(ellipse 60% 40% at 80% 60%, rgba(16, 185, 129, 0.1), transparent),
                radial-gradient(ellipse 50% 30% at 20% 80%, rgba(139, 92, 246, 0.1), transparent);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 9999px;
    border: 1px solid;
}

.badge-primary {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--insight-gold);
}

.badge-accent {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--trust-green);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--wisdom-blue);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: var(--wisdom-blue-light);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover {
    background: var(--wisdom-blue-medium);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===== Section Styles ===== */
section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--insight-gold);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 9999px;
    margin-bottom: 1rem;
}

.section-badge-success {
    color: var(--trust-green);
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Problem/Solution Section ===== */
.problem-solution {
    background: linear-gradient(180deg, var(--wisdom-blue) 0%, var(--wisdom-blue-light) 50%, var(--wisdom-blue) 100%);
}

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

.problem-card, .solution-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.problem-card:hover, .solution-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.1);
}

.problem-icon, .solution-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.problem-card h3, .solution-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.problem-card p, .solution-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.solution-arrow {
    display: flex;
    justify-content: center;
    padding: 3rem 0;
    color: var(--insight-gold);
    animation: bounce 2s infinite;
}

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

/* ===== How It Works Section ===== */
.how-it-works {
    background: var(--wisdom-blue);
}

.steps-container {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 180px;
    max-width: 220px;
    text-align: center;
    padding: 1.5rem;
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: all var(--transition-slow);
}

.step.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-gold);
    color: var(--wisdom-blue);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-icon {
    font-size: 3rem;
    margin: 1.5rem 0 1rem;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--insight-gold), var(--trust-green));
    margin-top: 4rem;
    flex-shrink: 0;
}

/* ===== Features Section ===== */
.features {
    background: linear-gradient(180deg, var(--wisdom-blue) 0%, var(--wisdom-blue-light) 100%);
}

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

.feature-card {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--insight-gold);
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Ecosystem Section ===== */
.ecosystem {
    background: var(--wisdom-blue-light);
}

.ecosystem-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.ecosystem-node {
    padding: 2rem;
    background: var(--wisdom-blue);
    border-radius: var(--card-radius);
    border: 2px solid;
    text-align: center;
    min-width: 200px;
    transition: all var(--transition-normal);
    opacity: 0;
    transform: scale(0.9);
}

.ecosystem-node.animate-in {
    opacity: 1;
    transform: scale(1);
}

.ecosystem-node-ysense {
    border-color: var(--insight-gold);
}

.ecosystem-node-godel {
    border-color: var(--ethics-purple);
}

.ecosystem-node-verifimind {
    border-color: var(--trust-green);
}

.node-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.ecosystem-node h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.ecosystem-node p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.node-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
}

.ecosystem-arrow {
    color: var(--text-muted);
}

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

.ecosystem-card {
    padding: 1.5rem;
    background: var(--wisdom-blue);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.ecosystem-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--insight-gold);
}

.ecosystem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Audiences Section ===== */
.audiences {
    background: var(--wisdom-blue);
}

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

.audience-card {
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: var(--card-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
    opacity: 0;
    transform: translateY(20px);
}

.audience-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.audience-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.1);
}

.audience-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.audience-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.audience-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.audience-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
}

.audience-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--trust-green);
}

.audience-cta {
    display: inline-block;
    color: var(--insight-gold);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.audience-cta:hover {
    color: var(--insight-gold-light);
    transform: translateX(4px);
}

/* ===== Roadmap Section ===== */
.roadmap {
    background: linear-gradient(180deg, var(--wisdom-blue) 0%, var(--wisdom-blue-light) 100%);
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.roadmap-timeline::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--insight-gold), var(--trust-green), var(--ethics-purple));
}

.roadmap-item {
    position: relative;
    padding: 2rem 0 2rem 2rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--transition-slow);
}

.roadmap-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.roadmap-marker {
    position: absolute;
    left: -2rem;
    top: 2rem;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 3px solid;
    background: var(--wisdom-blue);
    transform: translateX(-50%);
}

.roadmap-complete .roadmap-marker {
    border-color: var(--trust-green);
    background: var(--trust-green);
}

.roadmap-current .roadmap-marker {
    border-color: var(--insight-gold);
    background: var(--insight-gold);
    box-shadow: 0 0 20px var(--insight-gold);
}

.roadmap-planned .roadmap-marker {
    border-color: var(--ethics-purple);
}

.roadmap-future .roadmap-marker {
    border-color: var(--text-muted);
}

.roadmap-content {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.roadmap-version {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(245, 158, 11, 0.1);
    color: var(--insight-gold);
    border-radius: 9999px;
    margin-bottom: 0.75rem;
}

.roadmap-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.roadmap-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.roadmap-status {
    font-size: 0.85rem;
    font-weight: 500;
}

/* ===== Citation Section ===== */
.citation {
    background: var(--wisdom-blue);
}

.citation-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.citation-doi {
    margin-bottom: 2rem;
}

.citation-doi img {
    height: 24px;
}

.citation-block {
    position: relative;
    text-align: left;
    background: var(--wisdom-blue-light);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.citation-block h4 {
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.citation-block pre {
    padding: 1.5rem;
    overflow-x: auto;
}

.citation-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.copy-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    background: var(--wisdom-blue);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--wisdom-blue-medium);
    color: var(--text-primary);
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
    background: var(--wisdom-blue-light);
    padding: 4rem 0 2rem;
}

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

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--insight-gold);
    font-style: italic;
}

.footer-links h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.footer-links a {
    display: block;
    padding: 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--insight-gold);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.footer-bottom a {
    color: var(--insight-gold);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--wisdom-blue);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .steps-container {
        flex-direction: column;
        align-items: center;
    }
    
    .step-connector {
        width: 2px;
        height: 40px;
        margin: 0;
    }
    
    .ecosystem-diagram {
        flex-direction: column;
    }
    
    .ecosystem-arrow {
        transform: rotate(90deg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}