/* CSS Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary: #0A0A0A;        /* Deep Black */
    --color-secondary: #001F3F;       /* Midnight Blue */
    --color-tertiary: #2A0A2A;        /* Dark Purple */
    --color-accent-cyan: #00FFFF;     /* Electric Blue */
    --color-accent-pink: #FF00FF;     /* Cyber Pink */
    --color-accent-green: #39FF14;    /* Neon Green */
    --color-accent-yellow: #FFFF00;   /* Bright Yellow */
    --color-neutral-gray: #808080;    /* Silver Gray */
    --color-neutral-white: #FFFFFF;   /* White */

    /* Typography */
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Roboto Mono', monospace;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-bold: 700;
    --font-weight-black: 900;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;

    /* Animation */
    --duration-fast: 0.3s;
    --duration-medium: 0.6s;
    --duration-slow: 1s;
    --duration-slower: 2s;
    --easing-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --easing-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* Performance Optimizations */
.hero-section,
.feature-card,
.cta-button,
.particles,
.grid-overlay {
    will-change: transform;
}

.feature-card,
.cta-button {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Optimize animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translate3d(0, 30px, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translate3d(30px, 0, 0);
    }
    to {
        opacity: 1;
        transform: translate3d(0, 0, 0);
    }
}

body {
    font-family: var(--font-secondary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-neutral-white);
    background: var(--color-primary);
    overflow-x: hidden;
    position: relative;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--duration-slow) ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    position: relative;
}

.loading-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-cyan);
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
    text-shadow: 0 0 20px var(--color-accent-cyan);
    animation: pulse 2s infinite;
}

.loading-bar {
    width: 300px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1px;
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.loading-progress {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-pink));
    animation: loadingBar 2s ease-out;
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: var(--space-xs);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    background: var(--color-accent-green);
    border-radius: 50%;
    animation: loadingDots 1.4s infinite ease-in-out both;
}

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

/* Section Container */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-xxl) var(--space-lg);
    position: relative;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: radial-gradient(ellipse at center, var(--color-secondary) 0%, var(--color-primary) 70%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.grid-overlay {
    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;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, var(--color-accent-cyan) 1px, transparent 1px),
        radial-gradient(circle at 60% 70%, var(--color-accent-pink) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, var(--color-accent-green) 1px, transparent 1px),
        radial-gradient(circle at 30% 80%, var(--color-accent-yellow) 1px, transparent 1px);
    background-size: 200px 200px, 300px 300px, 250px 250px, 350px 350px;
    animation: particleFloat 15s linear infinite;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
}

.nav-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-accent-cyan);
    text-shadow: 0 0 10px var(--color-accent-cyan);
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-white);
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: all var(--duration-fast) var(--easing-smooth);
    position: relative;
}

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

.nav-link::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-cyan);
    transition: width var(--duration-fast) var(--easing-smooth);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-accent-cyan);
    margin: 3px 0;
    transition: all var(--duration-fast) var(--easing-smooth);
}

/* Hero Content */
.hero-content {
    max-width: 1200px;
    width: 100%;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
    z-index: 10;
}

.hero-text {
    animation: fadeInUp 1s var(--easing-smooth);
}

.hero-title {
    margin-bottom: var(--space-lg);
}

.title-main {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: var(--font-weight-black);
    color: var(--color-neutral-white);
    line-height: 1.1;
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    margin-bottom: var(--space-sm);
}

.title-sub {
    display: block;
    font-family: var(--font-primary);
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: var(--font-weight-regular);
    color: var(--color-accent-cyan);
    letter-spacing: 0.2em;
    text-shadow: 0 0 20px var(--color-accent-cyan);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--color-neutral-gray);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* CTA Buttons */
.cta-button {
    position: relative;
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--color-accent-cyan);
    background: transparent;
    color: var(--color-accent-cyan);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--duration-fast) var(--easing-smooth);
    text-transform: uppercase;
}

.cta-button.primary {
    border-color: var(--color-accent-cyan);
    color: var(--color-accent-cyan);
}

.cta-button.primary:hover {
    background: var(--color-accent-cyan);
    color: var(--color-primary);
    box-shadow: 0 0 30px var(--color-accent-cyan);
    transform: translateY(-2px);
}

.cta-button.secondary {
    border-color: var(--color-accent-pink);
    color: var(--color-accent-pink);
}

.cta-button.secondary:hover {
    background: var(--color-accent-pink);
    color: var(--color-primary);
    box-shadow: 0 0 30px var(--color-accent-pink);
    transform: translateY(-2px);
}

.cta-button.large {
    padding: var(--space-lg) var(--space-xxl);
    font-size: 1.1rem;
}

.cta-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.4), transparent);
    transition: left var(--duration-medium) var(--easing-smooth);
}

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

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s var(--easing-smooth);
}

.hero-graphic {
    width: 400px;
    height: 400px;
    position: relative;
    border: 2px solid var(--color-accent-cyan);
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(0, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.circuit-lines {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    border: 1px solid var(--color-accent-cyan);
    border-radius: 50%;
    opacity: 0.3;
}

.circuit-lines::before,
.circuit-lines::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border: 1px solid var(--color-accent-pink);
    border-radius: 50%;
    opacity: 0.2;
}

.circuit-lines::after {
    width: 100px;
    height: 100px;
    border-color: var(--color-accent-green);
}

.data-stream {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        conic-gradient(from 0deg,
            transparent 0deg, var(--color-accent-cyan) 10deg, transparent 20deg,
            transparent 30deg, var(--color-accent-pink) 40deg, transparent 50deg,
            transparent 60deg, var(--color-accent-green) 70deg, transparent 80deg,
            transparent 90deg, var(--color-accent-yellow) 100deg, transparent 110deg);
    border-radius: 50%;
    animation: dataStream 3s linear infinite;
    opacity: 0.6;
}

.central-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--color-accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 30px var(--color-accent-cyan);
    animation: corePulse 2s ease-in-out infinite alternate;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-accent-cyan);
    font-family: var(--font-primary);
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(to bottom, var(--color-accent-cyan), transparent);
    margin-bottom: var(--space-sm);
}

/* About Section */
.about-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 100%);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background:
        linear-gradient(45deg, transparent 49%, var(--color-accent-cyan) 50%, transparent 51%),
        linear-gradient(-45deg, transparent 49%, var(--color-accent-pink) 50%, transparent 51%);
    background-size: 20px 20px;
    opacity: 0.1;
    animation: patternShift 10s linear infinite;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(1.5rem, 4vw, 3rem);
    font-weight: var(--font-weight-black);
    color: var(--color-neutral-white);
    margin-bottom: var(--space-sm);
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.section-subtitle {
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-accent-cyan);
    letter-spacing: 0.2em;
    text-shadow: 0 0 10px var(--color-accent-cyan);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-neutral-gray);
}

.about-stats {
    display: grid;
    gap: var(--space-lg);
}

.stat-item {
    text-align: center;
    padding: var(--space-lg);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(0, 255, 255, 0.05);
    backdrop-filter: blur(10px);
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-accent-cyan);
    text-shadow: 0 0 20px var(--color-accent-cyan);
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-neutral-white);
    letter-spacing: 0.1em;
}

/* Features Section */
.features-section {
    background: var(--color-primary);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 25% 25%, rgba(0, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 0, 255, 0.1) 0%, transparent 50%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xxl);
}

.feature-card {
    padding: var(--space-xl);
    border: 1px solid rgba(0, 255, 255, 0.2);
    border-radius: 15px;
    background: rgba(0, 31, 63, 0.3);
    backdrop-filter: blur(10px);
    transition: all var(--duration-medium) var(--easing-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(255, 0, 255, 0.1));
    opacity: 0;
    transition: opacity var(--duration-medium) var(--easing-smooth);
}

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

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-md);
    position: relative;
}

.icon-quantum,
.icon-neural,
.icon-shield,
.icon-interface,
.icon-scale,
.icon-integration {
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent-cyan);
    border-radius: 50%;
    position: relative;
    background: radial-gradient(circle at center, rgba(0, 255, 255, 0.1), transparent);
}

.icon-quantum::before,
.icon-neural::before,
.icon-shield::before,
.icon-interface::before,
.icon-scale::before,
.icon-integration::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: var(--color-accent-cyan);
    border-radius: 50%;
    animation: iconPulse 2s ease-in-out infinite;
}

.feature-title {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-white);
    margin-bottom: var(--space-md);
    letter-spacing: 0.05em;
}

.feature-description {
    color: var(--color-neutral-gray);
    line-height: 1.6;
}

/* Technology Section */
.tech-section {
    background: linear-gradient(135deg, var(--color-tertiary) 0%, var(--color-secondary) 100%);
    position: relative;
}

.architecture-diagram {
    display: flex;
    justify-content: center;
    margin: var(--space-xxl) 0;
    position: relative;
}

.arch-layer {
    padding: var(--space-lg);
    margin: 0 var(--space-sm);
    border: 2px solid var(--color-accent-cyan);
    border-radius: 10px;
    background: rgba(0, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    position: relative;
    animation: fadeInScale 0.8s var(--easing-smooth) both;
}

.arch-layer:nth-child(1) { animation-delay: 0.1s; }
.arch-layer:nth-child(2) { animation-delay: 0.2s; }
.arch-layer:nth-child(3) { animation-delay: 0.3s; }
.arch-layer:nth-child(4) { animation-delay: 0.4s; }

.layer-title {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-xs);
}

.layer-description {
    font-size: 0.9rem;
    color: var(--color-neutral-gray);
}

.tech-specs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xxl);
}

.spec-item {
    text-align: center;
    padding: var(--space-lg);
    border: 1px solid rgba(255, 0, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 0, 255, 0.05);
}

.spec-item h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--color-accent-pink);
    margin-bottom: var(--space-sm);
}

.spec-item p {
    color: var(--color-neutral-gray);
    font-size: 0.9rem;
}

/* Use Cases Section */
.use-cases-section {
    background: var(--color-primary);
}

.use-cases-content {
    margin-top: var(--space-xxl);
}

.use-case-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    border-left: 4px solid var(--color-accent-green);
    background: rgba(57, 255, 20, 0.05);
    border-radius: 0 10px 10px 0;
    transition: all var(--duration-medium) var(--easing-smooth);
}

.use-case-item:hover {
    transform: translateX(10px);
    background: rgba(57, 255, 20, 0.1);
}

.use-case-number {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: var(--font-weight-black);
    color: var(--color-accent-green);
    margin-right: var(--space-lg);
    min-width: 60px;
    text-shadow: 0 0 10px var(--color-accent-green);
}

.use-case-content h3 {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    color: var(--color-neutral-white);
    margin-bottom: var(--space-sm);
}

.use-case-content p {
    color: var(--color-neutral-gray);
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-tertiary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at center, rgba(255, 0, 255, 0.1) 0%, transparent 70%),
        linear-gradient(45deg, transparent 49%, var(--color-accent-cyan) 50%, transparent 51%);
    background-size: 100px 100px, 30px 30px;
    animation: ctaPattern 8s linear infinite;
}

.cta-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: var(--font-weight-black);
    color: var(--color-neutral-white);
    margin-bottom: var(--space-md);
    text-shadow: 0 0 30px rgba(255, 0, 255, 0.5);
}

.cta-description {
    font-size: 1.2rem;
    color: var(--color-neutral-gray);
    margin-bottom: var(--space-xxl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-timer {
    margin-bottom: var(--space-xxl);
}

.timer-label {
    font-family: var(--font-primary);
    color: var(--color-accent-yellow);
    margin-bottom: var(--space-md);
    letter-spacing: 0.1em;
}

.timer-display {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.time-unit {
    text-align: center;
}

.time-number {
    display: block;
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: var(--font-weight-black);
    color: var(--color-accent-cyan);
    text-shadow: 0 0 20px var(--color-accent-cyan);
    line-height: 1;
}

.time-label {
    font-size: 0.8rem;
    color: var(--color-neutral-gray);
    letter-spacing: 0.1em;
    margin-top: var(--space-xs);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.cta-offer {
    color: var(--color-accent-yellow);
    font-weight: var(--font-weight-bold);
    text-shadow: 0 0 10px var(--color-accent-yellow);
}

/* Footer */
.footer {
    background: var(--color-primary);
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    padding: var(--space-xl) 0;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    color: var(--color-accent-cyan);
    text-shadow: 0 0 10px var(--color-accent-cyan);
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--color-neutral-gray);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--duration-fast) var(--easing-smooth);
}

.footer-link:hover {
    color: var(--color-accent-cyan);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-accent-cyan);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-accent-cyan);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    transition: all var(--duration-fast) var(--easing-smooth);
}

.social-link:hover {
    background: var(--color-accent-cyan);
    color: var(--color-primary);
    box-shadow: 0 0 20px var(--color-accent-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(0, 255, 255, 0.1);
    color: var(--color-neutral-gray);
    font-size: 0.9rem;
}

.footer-warning {
    margin-top: var(--space-sm);
    font-size: 0.8rem;
    color: var(--color-accent-pink);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity var(--duration-medium) var(--easing-smooth);
}

.modal.active {
    opacity: 1;
}

.modal-content {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-tertiary));
    border: 2px solid var(--color-accent-cyan);
    border-radius: 15px;
    padding: var(--space-xxl);
    max-width: 500px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 255, 255, 0.3);
    animation: modalSlideIn 0.5s var(--easing-bounce);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.modal-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    color: var(--color-accent-cyan);
    text-shadow: 0 0 10px var(--color-accent-cyan);
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-neutral-white);
    font-size: 2rem;
    cursor: pointer;
    transition: color var(--duration-fast) var(--easing-smooth);
}

.modal-close:hover {
    color: var(--color-accent-cyan);
}

.modal-body {
    text-align: center;
}

.modal-body p {
    color: var(--color-neutral-gray);
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.modal-input {
    padding: var(--space-md);
    border: 2px solid var(--color-accent-cyan);
    border-radius: 10px;
    background: rgba(0, 255, 255, 0.1);
    color: var(--color-neutral-white);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: all var(--duration-fast) var(--easing-smooth);
}

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

.modal-input::placeholder {
    color: var(--color-neutral-gray);
}

.modal-submit {
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--color-accent-green);
    background: transparent;
    color: var(--color-accent-green);
    font-family: var(--font-primary);
    font-weight: var(--font-weight-bold);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-smooth);
    letter-spacing: 0.1em;
}

.modal-submit:hover {
    background: var(--color-accent-green);
    color: var(--color-primary);
    box-shadow: 0 0 30px var(--color-accent-green);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes loadingBar {
    0% { width: 0; }
    100% { width: 100%; }
}

@keyframes loadingDots {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

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

@keyframes particleFloat {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-200px); }
}

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

@keyframes corePulse {
    from {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    to {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.7;
    }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40%, 43% {
        transform: translateX(-50%) translateY(-10px);
    }
    70% {
        transform: translateX(-50%) translateY(-5px);
    }
    90% {
        transform: translateX(-50%) translateY(-2px);
    }
}

@keyframes patternShift {
    0% { transform: translate(0, 0); }
    100% { transform: translate(20px, 20px); }
}

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

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes ctaPattern {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(10px, 10px) rotate(360deg); }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.7) translateY(-50px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-xl);
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .about-stats {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

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

    .architecture-diagram {
        flex-direction: column;
        align-items: center;
    }

    .arch-layer {
        margin: var(--space-sm) 0;
    }

    .timer-display {
        gap: var(--space-md);
    }

    .time-number {
        font-size: 2rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }

    .modal-content {
        padding: var(--space-lg);
        margin: var(--space-md);
    }
}

@media (max-width: 480px) {
    :root {
        --space-lg: 1rem;
        --space-xl: 1.5rem;
        --space-xxl: 2rem;
    }

    .section-container {
        padding: var(--space-xl) var(--space-md);
    }

    .navbar {
        padding: var(--space-sm) var(--space-md);
    }

    .hero-content {
        padding: 0 var(--space-md);
    }

    .loading-bar {
        width: 200px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .use-case-item {
        flex-direction: column;
        text-align: center;
    }

    .use-case-number {
        margin-right: 0;
        margin-bottom: var(--space-sm);
        align-self: center;
    }

    .timer-display {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .time-number {
        font-size: 1.5rem;
    }
}