/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-dark: #0f172a;
    --text-light: #475569;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --success-color: #10b981;
    --gradient-start: #2563eb;
    --gradient-end: #7c3aed;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.9);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 20px;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 16px;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    color: white;
    box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px -1px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 100px 0 80px;
    text-align: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.highlight {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 700px;
    margin: 0 auto;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 500;
}

/* How It Works */
.how-it-works {
    padding: 80px 0;
    background: var(--bg-white);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    color: var(--text-dark);
}

.process-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    text-align: center;
}

.step-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step p {
    color: var(--text-light);
    font-size: 16px;
}

.step-arrow {
    font-size: 32px;
    color: var(--primary-color);
    font-weight: 700;
}

/* Features */
.features {
    padding: 80px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-light);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.7;
}

/* Vision Section */
.vision {
    padding: 80px 0;
    background: var(--bg-white);
}

.vision-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.vision-description {
    font-size: 20px;
    color: var(--text-light);
    margin-bottom: 60px;
    line-height: 1.8;
}

.vision-diagram {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.node {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 32px;
    border-radius: 16px;
    border: 2px solid var(--primary-light);
    min-width: 180px;
}

.node-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.node-label {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.node-count {
    color: var(--text-light);
    font-size: 14px;
}

.vision-features {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.vision-feature {
    background: var(--bg-light);
    padding: 12px 24px;
    border-radius: 24px;
    font-weight: 600;
    color: var(--primary-color);
    border: 2px solid var(--primary-light);
}

/* Market Section */
.market {
    padding: 80px 0;
    background: var(--bg-light);
}

.market-phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.phase {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: relative;
}

.phase-active {
    border: 2px solid var(--primary-color);
    box-shadow: 0 8px 16px -4px rgba(37, 99, 235, 0.2);
}

.phase-badge {
    position: absolute;
    top: -12px;
    left: 24px;
    background: var(--primary-color);
    color: white;
    padding: 4px 16px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.phase-active .phase-badge {
    background: var(--success-color);
}

.phase h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    margin-top: 8px;
    color: var(--text-dark);
}

.phase-target {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 12px;
}

.phase p {
    color: var(--text-light);
    line-height: 1.7;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    color: white;
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 20px;
    margin-bottom: 40px;
}

.cta-content .btn-primary {
    background: white;
    color: var(--primary-color);
}

.cta-content .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.2);
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 16px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .step-arrow {
        display: none;
    }

    .section-title {
        font-size: 32px;
    }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-content h2 {
        font-size: 32px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0 40px;
    }

    .hero-title {
        font-size: 28px;
    }

    .stat-number {
        font-size: 36px;
    }

    .feature-card {
        padding: 24px;
    }

    .phase {
        padding: 32px 24px;
    }
}