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

:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(26, 26, 26, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    --neon-primary: #00ffff;
    --neon-secondary: #ff00ff;
    --neon-accent: #00ff88;
    --neon-warning: #ffaa00;
    
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    
    --gradient-primary: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
    --gradient-secondary: linear-gradient(135deg, var(--neon-accent), var(--neon-primary));
    --gradient-bg: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    
    --shadow-neon: 0 0 20px rgba(0, 255, 255, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-primary: 0 0 30px rgba(0, 255, 255, 0.5);
    --glow-secondary: 0 0 30px rgba(255, 0, 255, 0.5);
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

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

.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2300ffff" opacity="0.3"/></svg>') repeat;
    animation: float 20s infinite linear;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float-orb 15s infinite ease-in-out;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--neon-primary), transparent);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--neon-secondary), transparent);
    top: 60%;
    right: 20%;
    animation-delay: -5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--neon-accent), transparent);
    bottom: 20%;
    left: 50%;
    animation-delay: -10s;
}

@keyframes float {
    0% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(0px) translateX(-10px); }
    75% { transform: translateY(20px) translateX(5px); }
    100% { transform: translateY(0px) translateX(0px); }
}

@keyframes float-orb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: var(--shadow-neon); }
    50% { box-shadow: var(--glow-primary); }
}

@keyframes neon-flicker {
    0%, 100% { text-shadow: 0 0 10px var(--neon-primary), 0 0 20px var(--neon-primary), 0 0 30px var(--neon-primary); }
    50% { text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary), 0 0 15px var(--neon-primary); }
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.neon-text {
    color: var(--neon-primary);
    text-shadow: 0 0 10px var(--neon-primary);
    animation: neon-flicker 3s infinite alternate;
}

.neon-icon {
    color: var(--neon-primary);
    filter: drop-shadow(0 0 10px var(--neon-primary));
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-card);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--neon-primary);
    text-shadow: 0 0 10px var(--neon-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: var(--transition-fast);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.hero-content {
    animation: slide-up 1s ease-out;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-neon);
}

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

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

.btn-secondary:hover {
    background: var(--neon-primary);
    color: var(--bg-primary);
    box-shadow: var(--glow-primary);
}

.hero-stats {
    display: flex;
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--neon-primary);
    text-shadow: 0 0 10px var(--neon-primary);
}

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

.hero-visual {
    animation: slide-up 1s ease-out 0.3s both;
    display: flex;
    justify-content: center;
    align-items: center;
}

.chat-mockup {
    background: var(--bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(0, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    transform: scale(1.1);
}

.chat-header {
    background: var(--bg-tertiary);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(0, 255, 255, 0.1);
}

.chat-controls {
    display: flex;
    gap: 0.5rem;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ff5f57; }
.control.yellow { background: #ffbd2e; }
.control.green { background: #28ca42; }

.chat-title {
    font-weight: 600;
    color: var(--neon-primary);
}

.chat-content {
    padding: 1.5rem;
    height: 350px;
    overflow-y: auto;
}

.message {
    margin-bottom: 1rem;
    animation: slide-up 0.5s ease-out;
}

.username {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.message.user1 .username { color: var(--neon-primary); }
.message.user2 .username { color: var(--neon-secondary); }
.message.user3 .username { color: var(--neon-accent); }

.text {
    display: block;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    border-radius: 15px;
    border-left: 3px solid var(--neon-primary);
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-style: italic;
}

.typing-dots {
    display: flex;
    gap: 3px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background: var(--neon-primary);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
    0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.warning-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.warning-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--neon-warning);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 0 20px rgba(255, 170, 0, 0.1);
}

.warning-icon {
    font-size: 3rem;
    color: var(--neon-warning);
    text-shadow: 0 0 20px var(--neon-warning);
}

.warning-content h3 {
    color: var(--neon-warning);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.warning-content p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features {
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
    animation: fade-in 0.6s ease-out;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-primary);
    box-shadow: var(--shadow-neon);
}

.feature-icon {
    font-size: 3rem;
    color: var(--neon-primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px var(--neon-primary);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.download {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

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

.download-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
}

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-accent);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.3);
}

.download-icon {
    font-size: 4rem;
    color: var(--neon-accent);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px var(--neon-accent);
}

.download-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.download-info {
    display: flex;
    justify-content: space-between;
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid rgba(0, 255, 136, 0.2);
}

.version, .size {
    font-weight: 600;
    color: var(--neon-accent);
}

.btn-download {
    background: var(--gradient-secondary);
    color: var(--text-primary);
    width: 100%;
    justify-content: center;
    margin-top: 1rem;
}

.btn-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
}

.docs {
    padding: 6rem 0;
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.doc-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 0, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-normal);
    backdrop-filter: blur(20px);
}

.doc-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-secondary);
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.3);
}

.doc-icon {
    font-size: 2.5rem;
    color: var(--neon-secondary);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px var(--neon-secondary);
}

.doc-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.doc-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.doc-link {
    color: var(--neon-secondary);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.doc-link:hover {
    text-shadow: 0 0 10px var(--neon-secondary);
}

.footer {
    background: var(--bg-tertiary);
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--neon-primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--neon-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.95);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        backdrop-filter: blur(20px);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

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

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

    .hero-stats {
        justify-content: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .warning-card {
        flex-direction: column;
        text-align: center;
    }

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

    .container {
        padding: 0 1rem;
    }

    .chat-mockup {
        transform: scale(1);
        max-width: 100%;
    }

    .chat-content {
        height: 300px;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(0, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--neon-primary);

}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.glass {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hover-scale:hover {
    transform: scale(1.05);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--neon-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-secondary);
}