/* NeuroLink AI - Futuristic Landing Page */
/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colores futuristas */
    --primary-bg: #0a0a0f;
    --secondary-bg: #111118;
    --accent-bg: #1a1a2e;
    --glass-bg: rgba(255, 255, 255, 0.05);
    
    /* Colores neon */
    --neon-cyan: #00ffff;
    --neon-purple: #8a2be2;
    --neon-pink: #ff00ff;
    --neon-green: #00ff41;
    --neon-orange: #ff6b35;
    
    /* Gradientes futuristas */
    --gradient-neural: linear-gradient(135deg, #00ffff 0%, #8a2be2 50%, #ff00ff 100%);
    --gradient-quantum: linear-gradient(45deg, #00ff41, #00ffff, #8a2be2);
    --gradient-hologram: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    
    /* Tipografía */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Rajdhani', sans-serif;
    
    /* Efectos */
    --shadow-neon: 0 0 20px var(--neon-cyan);
    --shadow-glow: 0 0 40px rgba(138, 43, 226, 0.3);
    --blur-glass: blur(20px);
    
    /* Animaciones */
    --transition-fast: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-secondary);
    background: var(--primary-bg);
    color: white;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

/* Scanner Overlay */
.scanner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.1;
}

.scanner-line {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: scannerMove 3s linear infinite;
    box-shadow: 0 0 10px var(--neon-cyan);
}

@keyframes scannerMove {
    0% { top: -2px; opacity: 0; }
    50% { opacity: 1; }
    100% { top: 100vh; opacity: 0; }
}

/* Sistema de partículas */
.particle-system {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: particleFloat 6s linear infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
        transform: translateY(90vh) scale(1);
    }
    90% {
        opacity: 1;
        transform: translateY(10vh) scale(1);
    }
    100% {
        opacity: 0;
        transform: translateY(0) scale(0);
    }
}

/* Red neural de fondo */
.neural-network {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
    opacity: 0.3;
}

.neural-connection {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
    animation: neuralPulse 4s ease-in-out infinite;
}

@keyframes neuralPulse {
    0%, 100% { opacity: 0.2; transform: scaleX(0.5); }
    50% { opacity: 1; transform: scaleX(1); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 2rem;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: var(--blur-glass);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo-icon {
    font-size: 2rem;
    animation: brainPulse 2s ease-in-out infinite;
}

@keyframes brainPulse {
    0%, 100% { 
        filter: hue-rotate(0deg);
        transform: scale(1);
    }
    50% { 
        filter: hue-rotate(180deg);
        transform: scale(1.1);
    }
}

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

.logo-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--neon-cyan);
    border-radius: 50%;
    animation: logoPulse 3s ease-in-out infinite;
    opacity: 0;
}

@keyframes logoPulse {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 0.5rem 1rem;
    transition: var(--transition-fast);
    font-family: var(--font-primary);
}

.nav-link::before {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: var(--neon-cyan);
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    pointer-events: none;
}

.nav-link:hover::before {
    opacity: 1;
    transform: translateY(0);
}

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

.nav-ctas {
    display: flex;
    gap: 1rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--neon-cyan);
    border-radius: 25px;
    background: transparent;
    color: var(--neon-cyan);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
    text-decoration: none;
}

.cta-button.primary {
    background: var(--gradient-neural);
    border-color: transparent;
    color: white;
}

.button-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-hologram);
    transition: var(--transition-smooth);
}

.cta-button:hover .button-glow {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-neon);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
}

.hologram-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.data-streams {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.data-stream {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(180deg, transparent, var(--neon-green), transparent);
    animation: streamFlow 3s linear infinite;
}

@keyframes streamFlow {
    0% { transform: translateY(-100px); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(100vh); opacity: 0; }
}

.hero-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    z-index: 10;
    position: relative;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.badge-scan {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-hologram);
    animation: badgeScan 3s ease-in-out infinite;
}

@keyframes badgeScan {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    position: relative;
    opacity: 0;
    transform: translateX(-50px);
    animation: titleReveal 1s ease forwards;
}

.title-line:nth-child(1) { 
    animation-delay: 0.2s;
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.title-line:nth-child(2) { 
    animation-delay: 0.4s;
    color: var(--neon-cyan);
    text-shadow: var(--shadow-neon);
}
.title-line:nth-child(3) { 
    animation-delay: 0.6s;
    color: var(--neon-purple);
}

@keyframes titleReveal {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.highlight {
    color: var(--neon-cyan);
    font-weight: 600;
    text-shadow: 0 0 10px var(--neon-cyan);
}

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

.hero-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border: 2px solid var(--neon-cyan);
    border-radius: 30px;
    background: transparent;
    color: var(--neon-cyan);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.hero-cta.primary {
    background: var(--gradient-neural);
    border-color: transparent;
    color: white;
}

.cta-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.3);
}

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

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--neon-cyan);
    display: inline-block;
}

.stat-suffix {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--neon-purple);
    margin-left: 0.2rem;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

.stat-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.1), transparent);
    animation: statGlow 4s ease-in-out infinite;
}

@keyframes statGlow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Brain Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 600px;
}

.brain-container {
    position: relative;
    width: 400px;
    height: 400px;
    animation: brainFloat 8s ease-in-out infinite;
}

@keyframes brainFloat {
    0%, 100% { transform: translateY(0) rotateY(0deg); }
    50% { transform: translateY(-20px) rotateY(180deg); }
}

.brain-core {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 100px auto;
    transform-style: preserve-3d;
}

.brain-hemisphere {
    position: absolute;
    width: 100px;
    height: 200px;
    border-radius: 50px;
    background: linear-gradient(135deg, 
        rgba(0, 255, 255, 0.2), 
        rgba(138, 43, 226, 0.2)
    );
    border: 2px solid var(--neon-cyan);
    box-shadow: 
        0 0 30px var(--neon-cyan),
        inset 0 0 30px rgba(138, 43, 226, 0.3);
}

.brain-hemisphere.left {
    left: 0;
    transform: rotateY(-15deg);
    animation: leftHemisphere 6s ease-in-out infinite;
}

.brain-hemisphere.right {
    right: 0;
    transform: rotateY(15deg);
    animation: rightHemisphere 6s ease-in-out infinite;
}

@keyframes leftHemisphere {
    0%, 100% { 
        border-color: var(--neon-cyan);
        box-shadow: 0 0 30px var(--neon-cyan);
    }
    50% { 
        border-color: var(--neon-purple);
        box-shadow: 0 0 30px var(--neon-purple);
    }
}

@keyframes rightHemisphere {
    0%, 100% { 
        border-color: var(--neon-purple);
        box-shadow: 0 0 30px var(--neon-purple);
    }
    50% { 
        border-color: var(--neon-pink);
        box-shadow: 0 0 30px var(--neon-pink);
    }
}

.neural-paths {
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: 
        radial-gradient(circle at 30% 40%, var(--neon-cyan) 1px, transparent 1px),
        radial-gradient(circle at 70% 60%, var(--neon-purple) 1px, transparent 1px),
        radial-gradient(circle at 50% 20%, var(--neon-pink) 1px, transparent 1px);
    background-size: 20px 20px, 25px 25px, 30px 30px;
    animation: neuralActivity 3s ease-in-out infinite;
}

@keyframes neuralActivity {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

.brain-connections {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--neon-green);
    border-radius: 50%;
    box-shadow: 
        0 0 20px var(--neon-green),
        0 0 40px var(--neon-green);
    animation: connectionPulse 2s ease-in-out infinite;
}

@keyframes connectionPulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(2); }
}

.orbital-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    border: 2px solid;
    border-radius: 50%;
    animation: ringRotate 15s linear infinite;
}

.ring-1 {
    width: 300px;
    height: 300px;
    border-color: rgba(0, 255, 255, 0.4);
    top: -150px;
    left: -150px;
}

.ring-2 {
    width: 400px;
    height: 400px;
    border-color: rgba(138, 43, 226, 0.3);
    top: -200px;
    left: -200px;
    animation-direction: reverse;
    animation-duration: 20s;
}

.ring-3 {
    width: 500px;
    height: 500px;
    border-color: rgba(255, 0, 255, 0.2);
    top: -250px;
    left: -250px;
    animation-duration: 25s;
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.data-spheres {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.sphere {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gradient-neural);
    box-shadow: 0 0 20px var(--neon-cyan);
    animation: sphereOrbit 10s linear infinite;
}

.sphere-1 {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.sphere-2 {
    top: 30%;
    right: 10%;
    animation-delay: 2.5s;
}

.sphere-3 {
    bottom: 20%;
    left: 10%;
    animation-delay: 5s;
}

.sphere-4 {
    bottom: 10%;
    right: 30%;
    animation-delay: 7.5s;
}

@keyframes sphereOrbit {
    0% { transform: translateY(0) rotate(0deg); }
    25% { transform: translateY(-50px) rotate(90deg); }
    50% { transform: translateY(0) rotate(180deg); }
    75% { transform: translateY(50px) rotate(270deg); }
    100% { transform: translateY(0) rotate(360deg); }
}

.hologram-ui {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.ui-panel {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    padding: 1rem;
    animation: panelFloat 6s ease-in-out infinite;
}

.panel-1 {
    top: 20%;
    left: -20%;
    width: 150px;
    height: 100px;
}

.panel-2 {
    bottom: 20%;
    right: -20%;
    width: 120px;
    height: 80px;
}

@keyframes panelFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

.panel-header {
    font-size: 0.8rem;
    color: var(--neon-cyan);
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.panel-graph {
    height: 40px;
    background: 
        linear-gradient(90deg, 
            transparent 0%, 
            var(--neon-cyan) 20%, 
            var(--neon-purple) 40%, 
            var(--neon-pink) 60%, 
            var(--neon-green) 80%, 
            transparent 100%
        );
    animation: graphPulse 2s ease-in-out infinite;
}

@keyframes graphPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

.panel-status {
    font-size: 1rem;
    color: var(--neon-green);
    font-weight: 700;
    text-align: center;
    text-shadow: 0 0 10px var(--neon-green);
    animation: statusBlink 1s ease-in-out infinite;
}

@keyframes statusBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.quantum-scroll {
    width: 30px;
    height: 50px;
    border: 2px solid var(--neon-cyan);
    border-radius: 15px;
    position: relative;
    box-shadow: 0 0 20px var(--neon-cyan);
}

.scroll-particle {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: scrollParticle 2s ease-in-out infinite;
}

@keyframes scrollParticle {
    0% { top: 10px; opacity: 1; }
    100% { top: 35px; opacity: 0; }
}

.scroll-wave {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--gradient-neural);
    animation: scrollWave 3s ease-in-out infinite;
}

@keyframes scrollWave {
    0%, 100% { width: 20px; opacity: 0.3; }
    50% { width: 60px; opacity: 1; }
}

/* Features Section */
.features {
    padding: 8rem 2rem;
    background: 
        radial-gradient(circle at 25% 25%, rgba(0, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(138, 43, 226, 0.05) 0%, transparent 50%),
        var(--secondary-bg);
    position: relative;
}

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

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

.section-title {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.title-icon {
    font-size: 3rem;
    animation: iconSpin 4s linear infinite;
}

@keyframes iconSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-hologram);
    transition: var(--transition-smooth);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-cyan);
    box-shadow: 0 20px 40px rgba(0, 255, 255, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-neural);
    border-radius: 50%;
    opacity: 0.2;
    animation: iconBgPulse 3s ease-in-out infinite;
}

@keyframes iconBgPulse {
    0%, 100% { transform: scale(1); opacity: 0.2; }
    50% { transform: scale(1.2); opacity: 0.4; }
}

.feature-icon i {
    font-size: 2rem;
    color: var(--neon-cyan);
    z-index: 2;
    position: relative;
}

.icon-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.feature-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    color: var(--neon-cyan);
}

.feature-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    text-align: center;
    margin-bottom: 1.5rem;
}

.feature-graph {
    height: 60px;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
}

.graph-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-neural);
    animation: graphLine 4s ease-in-out infinite;
}

@keyframes graphLine {
    0%, 100% { transform: scaleX(0.3); }
    50% { transform: scaleX(1); }
}

.graph-dots {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: var(--neon-cyan);
    border-radius: 50%;
    animation: graphDots 2s ease-in-out infinite;
}

@keyframes graphDots {
    0%, 100% { box-shadow: 0 0 0 0 var(--neon-cyan); }
    50% { box-shadow: 0 0 0 20px transparent; }
}

/* Demo Section */
.demo {
    padding: 8rem 2rem;
    background: var(--primary-bg);
    position: relative;
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.demo-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.demo-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.demo-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 2rem;
    background: var(--gradient-neural);
    border: none;
    border-radius: 30px;
    color: white;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.demo-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 255, 255, 0.4);
}

.demo-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    animation: demoRipple 4s ease-in-out infinite;
}

@keyframes demoRipple {
    0% { width: 0; height: 0; opacity: 1; }
    100% { width: 300px; height: 300px; opacity: 0; }
}

.hologram-screen {
    position: relative;
    width: 500px;
    height: 300px;
    margin: 0 auto;
    perspective: 1000px;
}

.screen-content {
    width: 100%;
    height: 100%;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 2px solid var(--neon-cyan);
    border-radius: 15px;
    position: relative;
    transform: rotateY(15deg) rotateX(5deg);
    animation: screenFloat 6s ease-in-out infinite;
}

@keyframes screenFloat {
    0%, 100% { transform: rotateY(15deg) rotateX(5deg) translateY(0); }
    50% { transform: rotateY(-15deg) rotateX(-5deg) translateY(-20px); }
}

.neural-visualization {
    padding: 2rem;
    height: 100%;
    position: relative;
}

.viz-nodes {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    background: 
        radial-gradient(circle at 25% 25%, var(--neon-cyan) 2px, transparent 2px),
        radial-gradient(circle at 75% 25%, var(--neon-purple) 2px, transparent 2px),
        radial-gradient(circle at 25% 75%, var(--neon-pink) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, var(--neon-green) 2px, transparent 2px);
    background-size: 50px 50px;
    animation: vizNodes 3s ease-in-out infinite;
}

@keyframes vizNodes {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.viz-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 40%, var(--neon-cyan) 41%, var(--neon-cyan) 42%, transparent 43%),
        linear-gradient(-45deg, transparent 40%, var(--neon-purple) 41%, var(--neon-purple) 42%, transparent 43%);
    animation: vizConnections 4s ease-in-out infinite;
}

@keyframes vizConnections {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.8; }
}

.viz-data {
    position: absolute;
    bottom: 10%;
    left: 10%;
    right: 10%;
    height: 20%;
    background: 
        linear-gradient(90deg, 
            var(--neon-cyan) 0%, 
            var(--neon-purple) 25%, 
            var(--neon-pink) 50%, 
            var(--neon-green) 75%, 
            var(--neon-orange) 100%
        );
    animation: vizData 2s ease-in-out infinite;
}

@keyframes vizData {
    0%, 100% { height: 10%; opacity: 0.5; }
    50% { height: 30%; opacity: 1; }
}

.screen-frame {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 20px;
    pointer-events: none;
}

.screen-glow {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    background: radial-gradient(ellipse, rgba(0, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 30px;
    animation: screenGlow 4s ease-in-out infinite;
}

@keyframes screenGlow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Contact Section */
.contact {
    padding: 8rem 2rem;
    background: 
        radial-gradient(circle at 50% 50%, rgba(138, 43, 226, 0.1) 0%, transparent 70%),
        var(--secondary-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: var(--gradient-neural);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    transition: var(--transition-fast);
}

.contact-method:hover {
    border-color: var(--neon-cyan);
    transform: translateX(10px);
}

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

.method-text {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.method-value {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--neon-cyan);
}

.neural-form {
    background: var(--glass-bg);
    backdrop-filter: var(--blur-glass);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.neural-input {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 10px;
    color: white;
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.neural-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.neural-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.input-scan {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-neural);
    transition: var(--transition-smooth);
}

.neural-input:focus + .input-scan {
    width: 100%;
}

.submit-button {
    width: 100%;
    padding: 1.2rem;
    background: var(--gradient-neural);
    border: none;
    border-radius: 15px;
    color: white;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-fast);
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
}

.submit-energy {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-hologram);
    animation: submitEnergy 3s ease-in-out infinite;
}

@keyframes submitEnergy {
    0%, 100% { left: -100%; }
    50% { left: 100%; }
}

/* Footer */
.footer {
    background: rgba(10, 10, 15, 0.9);
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    padding: 4rem 2rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

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

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

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

.link-group h4 {
    font-family: var(--font-primary);
    color: var(--neon-cyan);
    margin-bottom: 1rem;
}

.link-group a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: var(--transition-fast);
}

.link-group a:hover {
    color: var(--neon-cyan);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
}

.footer-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-green);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }
    
    .brain-container {
        width: 300px;
        height: 300px;
    }
    
    .demo-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .nav {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-ctas {
        gap: 0.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .brain-container {
        width: 250px;
        height: 250px;
    }
    
    .hologram-screen {
        width: 300px;
        height: 200px;
    }
}