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

:root {
    --primary-blue: #1a1c21;
    --primary-dark: #1a1c21;
    --secondary-gray: #5a6068;
    --light-gray: #f7f8fa;
    --border-gray: #e4e6eb;
    --accent-green: #00d46a;
    --white: #ffffff;
    --gradient-1: #1a1c21;
    --gradient-2: #1a1c21;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
    color: var(--primary-dark);
}

.nav-brand svg {
    width: 135px;
}

.logo {
    color: var(--primary-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    transition: all 0.3s ease;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--secondary-gray);
    font-weight: 500;
    font-size: 15px;
    transition: color 0.2s ease;
}

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

.nav-actions {
    display: flex;
    gap: 12px;
}

.btn-primary, .btn-secondary {
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #000;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--secondary-gray);
    border: 1px solid var(--border-gray);
}

.btn-secondary:hover {
    background: var(--light-gray);
}

.hero {
    margin-top: 64px;
    padding: 80px 24px;
    display: grid;
    grid-template-columns: 60%;
    gap: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    align-items: center;
    justify-content: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    text-align: center;
}

.hero-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.1;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--secondary-gray);
    line-height: 1.5;
    font-weight: 700;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-top: 12px;
    justify-content: center;
}

.btn-primary-large, .btn-secondary-large {
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
}

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

.btn-primary-large:hover {
    background: #000;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary-large:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 24px;
    padding-top: 32px;
    border-top: 1px solid var(--border-gray);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 13px;
    color: var(--secondary-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.network-visualization {
    position: relative;
    width: 400px;
    height: 400px;
}

.node {
    position: absolute;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-1);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

.node-1 { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0s; }
.node-2 { top: 10%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0.2s; }
.node-3 { top: 75%; left: 15%; animation-delay: 0.4s; }
.node-4 { top: 75%; right: 15%; animation-delay: 0.6s; }
.node-5 { top: 35%; right: 10%; animation-delay: 0.8s; }

.connection {
    position: absolute;
    height: 2px;
    background: var(--gradient-2);
    transform-origin: left center;
    opacity: 0.6;
    animation: glow 3s ease-in-out infinite;
}

.connection-1 {
    top: 30%;
    left: 50%;
    width: 120px;
    transform: translate(-50%, -50%) rotate(-45deg);
}

.connection-2 {
    top: 60%;
    left: 35%;
    width: 140px;
    transform: rotate(45deg);
}

.connection-3 {
    top: 60%;
    right: 35%;
    width: 140px;
    transform: rotate(-45deg);
}

.connection-4 {
    top: 50%;
    right: 28%;
    width: 100px;
    transform: rotate(90deg);
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.05); opacity: 0.9; }
}

@keyframes glow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

section {
    padding: 80px 24px;
}

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

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: var(--primary-dark);
}

.features {
    background: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.feature-card p {
    color: var(--secondary-gray);
    line-height: 1.6;
}

.use-cases {
    background: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.use-case-card {
    padding: 40px;
    border: 2px solid var(--border-gray);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.use-case-card:hover {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.use-case-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.use-case-card h3 {
    font-size: 28px;
    margin-bottom: 12px;
    color: var(--primary-dark);
}

.use-case-card p {
    color: var(--secondary-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.link-arrow {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-block;
}

.link-arrow:hover {
    transform: translateX(4px);
}

.cta-section {
    background: var(--gradient-1);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 20px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta-section .btn-primary-large {
    background: var(--white);
    color: var(--primary-blue);
}

.cta-section .btn-secondary-large {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.cta-section .btn-secondary-large:hover {
    background: rgba(255, 255, 255, 0.1);
}

.ecosystem {
    background: var(--light-gray);
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.ecosystem-item {
    background: var(--white);
    padding: 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.ecosystem-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.ecosystem-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.ecosystem-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.ecosystem-item p {
    font-size: 14px;
    color: var(--secondary-gray);
    line-height: 1.5;
}

.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: 60px 24px 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 16px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s ease;
}

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

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        order: -1;
    }

    .network-visualization {
        width: 300px;
        height: 300px;
    }

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

    .ecosystem-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        box-shadow: var(--shadow-md);
        display: none;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-actions {
        display: none;
    }

    .hero {
        padding: 40px 24px;
    }

    .hero-title {
        font-size: 36px;
    }

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

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

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

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