@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --color-white: #FFFFFF;
    --color-white-soft: #F8F9FA;
    --color-cyan: #00D4FF;
    --color-cyan-light: #5CE1FF;
    --color-cyan-dark: #0095CC;
    --color-orange: #FF6B35;
    --color-orange-light: #FF8C5A;
    --color-bg-primary: #000000;
    --color-bg-secondary: #0A0A0A;
    --color-bg-tertiary: #1A1A1A;
    --color-bg-card: #0F0F0F;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #B0B0B0;
    --color-text-muted: #808080;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --nav-height: 64px;
    --nav-z: 1000;
    --overlay-z: 900;
	
    --nav-bg: rgba(0, 0, 0, 0.95);
    --nav-mobile-bg: rgba(0, 0, 0, 0.98);
    --nav-border: rgba(255, 255, 255, 0.08);
    --nav-title-gradient: linear-gradient(135deg, #FFFFFF, #00D4FF);
    --nav-link-hover: #FFFFFF;
    --nav-link-active: #FFFFFF;
    --hamburger-color: #FFFFFF;
    --nav-close-bg: rgba(255, 255, 255, 0.05);
    --nav-close-hover-bg: rgba(255, 255, 255, 0.1);
    --nav-close-border: rgba(255, 255, 255, 0.1);
    --nav-close-color: #FFFFFF;
    
    --lang-switcher-bg: rgba(10, 10, 10, 0.8);
    --lang-switcher-border: rgba(0, 212, 255, 0.2);
    --lang-switcher-color: #B0B0B0;
    --lang-switcher-hover-border: rgba(0, 212, 255, 0.5);
    --lang-switcher-hover-bg: rgba(26, 26, 26, 0.9);
    --lang-switcher-hover-color: #00D4FF;
    --lang-switcher-hover-shadow: 0 0 15px rgba(0, 212, 255, 0.1);
    --lang-switcher-focus-border: #00D4FF;
    --lang-switcher-focus-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
    --lang-switcher-option-bg: #0A0A0A;
    --lang-switcher-option-color: #B0B0B0;
    --lang-switcher-option-checked-bg: rgba(0, 212, 255, 0.15);
    --lang-switcher-option-checked-color: #00D4FF;
    --lang-switcher-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

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

body {
    font-family: 'Inter', 'Space Grotesk', sans-serif;
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    animation: float 20s infinite ease-in-out;
}

.glow-orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-white);
    top: -300px;
    left: -300px;
}

.glow-orb-2 {
    width: 500px;
    height: 500px;
    background: var(--color-cyan);
    bottom: -250px;
    right: -250px;
    animation-delay: -5s;
}

.glow-orb-3 {
    width: 400px;
    height: 400px;
    background: var(--color-white);
    top: 50%;
    right: -200px;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-30px, 30px) scale(0.9);
    }
}

.hero {
    position: relative;
    padding: 150px var(--spacing-lg) 100px;
    text-align: center;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    margin-bottom: var(--spacing-md);
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-dev {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.hero-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--color-white);
    color: #000000;
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(255, 255, 255, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-white);
    border: 1px solid var(--color-white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-white), var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.features-section {
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-lg);
    z-index: 1;
}

.features-container {
    max-width: 1400px;
    margin: 0 auto;
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    flex: 0 1 calc(33.333% - var(--spacing-lg));
    min-width: 300px;
    max-width: 400px;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-white);
    box-shadow: 0 20px 60px rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(0, 212, 255, 0.1));
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.technical-section {
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    z-index: 1;
}

.technical-container {
    max-width: 1400px;
    margin: 0 auto;
}

.technical-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.technical-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    flex: 0 1 calc(33.333% - var(--spacing-lg));
    min-width: 280px;
    max-width: 400px;
}

.technical-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.technical-list {
    list-style: none;
}

.technical-list li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    position: relative;
    padding-left: var(--spacing-md);
}

.technical-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--color-white);
}

.commands-section {
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-lg);
    z-index: 1;
}

.commands-container {
    max-width: 1400px;
    margin: 0 auto;
}

.commands-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.command-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    flex: 0 1 calc(50% - var(--spacing-md));
    min-width: 350px;
    max-width: 600px;
}

.command-card:hover {
    border-color: var(--color-white);
    transform: translateX(8px);
}

.command-header {
    margin-bottom: var(--spacing-xs);
}

.command-code {
    font-family: 'Courier New', monospace;
    color: var(--color-white);
    font-size: 0.95rem;
}

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

.download-section {
    position: relative;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.02);
    z-index: 1;
}

.download-container {
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(10px);
}

.download-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.download-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.download-subtitle {
    color: var(--color-text-secondary);
}

.download-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.info-item {
    text-align: center;
}

.info-label {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
}

.info-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-white);
}

.download-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.download-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer {
    position: relative;
    padding: var(--spacing-xl) var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
    z-index: 1;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

@media (max-width: 1024px) {
    .feature-card {
        flex: 0 1 calc(50% - var(--spacing-lg));
    }

    .technical-card {
        flex: 0 1 calc(50% - var(--spacing-lg));
    }
}

@media (max-width: 768px) {
    .hero {
        padding: calc(var(--spacing-2xl) + 60px) var(--spacing-md) var(--spacing-xl);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        min-height: 48px;
        justify-content: center;
    }

    .feature-card,
    .technical-card,
    .command-card {
        flex: 0 1 100%;
    }

    .download-info {
        grid-template-columns: 1fr;
    }

    .download-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
}