/* CSS Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors - Blue Theme for Aixion Labs */
    --color-black: #0a0a0a;
    --color-white: #fafafa;
    --color-gray-dark: #1a1a1a;
    --color-gray: #404040;
    --color-gray-light: #808080;
    
    /* Accent Colors - Blue Palette */
    --color-accent-primary: #3B82F6;      /* Blue-500 */
    --color-accent-secondary: #1E40AF;    /* Blue-800 */
    --color-accent-light: #60A5FA;        /* Blue-400 */
    --color-accent-dark: #1E3A8A;         /* Blue-900 */
    --color-accent-warning: #F59E0B;      /* Amber-500 */
    --color-accent-error: #EF4444;        /* Red-500 */
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* Spacing System (8px base) */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 1rem;     /* 16px */
    --space-md: 1.5rem;   /* 24px */
    --space-lg: 2rem;     /* 32px */
    --space-xl: 3rem;     /* 48px */
    --space-xxl: 4rem;    /* 64px */
    --space-xxxl: 6rem;   /* 96px */
    
    /* Layout */
    --container-max: 1400px;
    --border-radius: 0.25rem;
    
    /* Z-index */
    --z-nav: 1000;
    --z-modal: 2000;
    --z-tooltip: 3000;
    
    /* Apple-style Easing Curves - Optimized for stability */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
    --ease-spring: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --ease-apple: cubic-bezier(0.25, 0.1, 0.25, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: var(--space-xl);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    opacity: 0;
    transform: translateY(60px);
    transition: all 1.2s var(--ease-out-expo);
}

.section-title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.title-number {
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--color-accent-primary);
    font-weight: 600;
    order: -1;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.8s var(--ease-out-expo) 0.2s;
}

.section-title.animate-in .title-number {
    opacity: 1;
    transform: translateX(0);
}

.section-title.centered {
    text-align: center;
    align-items: center;
}

/* Navigation - Optimized transitions */
.nav-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(59, 130, 246, 0.08);
    transition: all 0.4s var(--ease-smooth);
    transform: translateY(0);
}

.nav-container.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(30px) saturate(200%);
    border-bottom-color: rgba(59, 130, 246, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px; /* Fixed height for consistent spacing */
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-accent-primary);
    transition: transform 0.3s var(--ease-smooth);
    will-change: transform;
}

.logo-container:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 2rem;
    height: 2rem;
    transition: transform 0.4s var(--ease-smooth);
    will-change: transform;
}

.logo-container:hover .logo-icon {
    transform: rotate(90deg) scale(1.05);
}

.logo-text {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    /* Removed letter-spacing transition to prevent text jumping */
    transition: color 0.3s var(--ease-smooth);
}

/* Logo styling for AIXion with AI in gray and Xion in blue */
.logo-ai {
    color: var(--color-gray-light);
}

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

/* Hero title styling for AIXion with AI in gray and Xion in blue */
.title-ai {
    color: var(--color-gray-light);
}

.title-xion {
    color: var(--color-accent-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-sm); /* Reduced gap to prevent overlap */
    align-items: center;
    height: 100%;
}

.nav-menu li {
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: var(--space-md) var(--space-lg); /* Increased padding for larger click area */
    border-radius: 12px;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    overflow: hidden;
    transform: translateY(0);
    will-change: transform, background-color, color;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 48px; /* Minimum touch target size */
    white-space: nowrap; /* Prevent text wrapping */
    cursor: pointer;
    z-index: 1;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--color-accent-primary), transparent);
    transition: left 0.5s var(--ease-smooth);
    z-index: -1;
}

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

.nav-link:hover {
    color: var(--color-white);
    background-color: var(--color-accent-primary);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.nav-link:active {
    transform: translateY(-1px) scale(1.01);
    transition-duration: 0.1s;
}

.nav-link.active {
    background-color: rgba(59, 130, 246, 0.2);
    color: var(--color-accent-primary);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    transition: transform 0.2s var(--ease-smooth);
}

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

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all 0.3s var(--ease-smooth);
    transform-origin: center;
}

/* Parallax Container */
.parallax-container {
    position: relative;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background: linear-gradient(135deg, 
        var(--color-black) 0%, 
        var(--color-gray-dark) 50%, 
        var(--color-black) 100%);
    z-index: -1;
    will-change: transform;
    transition: transform 0.1s linear;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-xxxl) var(--space-md);
    overflow: hidden;
}

/* AI Neural Network Background */
.ai-neural-network {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 2s var(--ease-out-expo) 0.5s forwards;
    pointer-events: none;
}

.neural-network-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.6;
}

.neural-connection {
    animation: connectionPulse 4s infinite ease-in-out;
    stroke-dasharray: 5, 5;
    stroke-dashoffset: 0;
}

.neural-connection.floating {
    animation: connectionPulse 6s infinite ease-in-out, connectionFloat 8s infinite ease-in-out;
}

.neural-node {
    animation: nodePulse 3s infinite ease-in-out;
    transform-origin: center;
}

.neural-node.input {
    animation: nodePulse 2.5s infinite ease-in-out;
}

.neural-node.hidden {
    animation: nodePulse 3s infinite ease-in-out;
    animation-delay: 0.5s;
}

.neural-node.output {
    animation: nodePulse 2s infinite ease-in-out;
    animation-delay: 1s;
}

.neural-node.floating {
    animation: nodePulse 4s infinite ease-in-out, nodeFloat 10s infinite ease-in-out;
}

.data-particle {
    filter: blur(0.5px);
}

.hero-content {
    max-width: var(--container-max);
    text-align: center;
    z-index: 2;
    position: relative;
}

.greeting-container {
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s var(--ease-out-expo) 0.2s forwards;
}

.greeting-text {
    color: var(--color-gray-light);
    transition: color 0.4s var(--ease-smooth);
}

.greeting-accent {
    color: var(--color-accent-primary);
    font-weight: 600;
    transition: color 0.4s var(--ease-smooth);
}

.hero-title {
    font-size: clamp(3rem, 12vw, 8rem);
    font-weight: 900;
    line-height: 0.9;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.04em;
}

.title-main {
    display: block;
    text-shadow: 4px 4px 0 var(--color-gray-dark);
    opacity: 0;
    transform: translateY(80px);
    animation: fadeInUp 1.2s var(--ease-out-expo) 0.4s forwards;
}

.title-accent {
    display: block;
    color: var(--color-accent-primary);
    transform: rotate(-2deg);
    display: inline-block;
    text-shadow: 4px 4px 0 var(--color-black);
    margin: var(--space-sm) 0;
    opacity: 0;
    animation: fadeInRotate 1.2s var(--ease-spring) 0.6s forwards;
}

.title-sub {
    display: block;
    font-size: 0.4em;
    color: var(--color-gray-light);
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-top: var(--space-sm);
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--ease-out-expo) 0.8s forwards;
    text-transform: uppercase; /* Keep uppercase for subtitle */
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s var(--ease-out-expo) 1s forwards;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(40px);
    animation: fadeInUp 1s var(--ease-out-expo) 1.2s forwards;
}

.cta-primary,
.cta-secondary {
    padding: var(--space-md) var(--space-xl);
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    transform: translateY(0);
    will-change: transform, box-shadow, background-color;
}

.cta-primary {
    background-color: var(--color-accent-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
}

.cta-primary:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
    background-color: var(--color-accent-light);
}

.cta-primary:active {
    transform: translateY(-2px) scale(1.01);
    transition-duration: 0.1s;
}

.cta-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

.cta-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-black);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 8px 30px rgba(255, 255, 255, 0.2);
}

.cta-secondary:active {
    transform: translateY(-2px) scale(1.01);
    transition-duration: 0.1s;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    opacity: 0;
    animation: fadeIn 1s var(--ease-out-expo) 1.6s forwards;
    transition: transform 0.2s var(--ease-smooth);
    z-index: 3;
}

.scroll-indicator:hover {
    transform: translateX(-50%) translateY(-3px);
}

.scroll-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-accent-primary), transparent);
    animation: scrollPulse 2s infinite var(--ease-in-out-quart);
}

/* Section Styling */
.section-content {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-xxxl) var(--space-md);
    position: relative;
    z-index: 2;
}

/* About Section */
.about-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(45deg, var(--color-gray-dark), var(--color-black));
}

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

.text-block {
    margin-bottom: var(--space-xl);
}

.lead-text {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-accent-primary);
    margin-bottom: var(--space-lg);
    line-height: 1.4;
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s var(--ease-out-expo);
}

.text-block.animate-in .lead-text {
    opacity: 1;
    transform: translateY(0);
}

.text-block p {
    font-size: 1.1rem;
    color: var(--color-gray-light);
    margin-bottom: var(--space-md);
    line-height: 1.7;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s var(--ease-out-expo);
}

.text-block.animate-in p:nth-child(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.text-block.animate-in p:nth-child(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.text-block.animate-in p:nth-child(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-md);
    border: 1px solid rgba(59, 130, 246, 0.1);
    background: rgba(59, 130, 246, 0.02);
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-smooth);
    border-radius: 12px;
    opacity: 0;
    transform: translateY(50px) scale(0.9);
    will-change: transform, box-shadow, border-color;
}

.stat-item.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.stat-item:hover {
    border-color: var(--color-accent-primary);
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.2);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-accent-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
    transition: transform 0.3s var(--ease-smooth);
}

.stat-item:hover .stat-number {
    transform: scale(1.05);
    text-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color 0.3s var(--ease-smooth);
}

.stat-item:hover .stat-label {
    color: var(--color-white);
}

.content-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transform: translateX(60px);
    transition: all 1.2s var(--ease-out-expo);
}

.content-visual.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.about-illustration {
    width: 100%;
    max-width: 400px;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.3));
    transition: filter 0.4s var(--ease-smooth);
}

.content-visual:hover .about-illustration {
    filter: drop-shadow(0 0 25px rgba(59, 130, 246, 0.4));
}

.neural-line {
    animation: neuralPulse 3s infinite alternate var(--ease-in-out-quart);
}

.brain-node {
    animation: nodePulse 2s infinite alternate var(--ease-in-out-quart);
}

.brain-core {
    animation: coreRotate 10s infinite linear;
}

.brain-center {
    animation: centerPulse 4s infinite var(--ease-in-out-quart);
}

/* Services Section */
.services-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--color-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(59, 130, 246, 0.1);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    opacity: 0;
    transform: translateY(80px) scale(0.9);
    will-change: transform, box-shadow, border-color;
}

.service-card.animate-in {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.6s var(--ease-smooth);
    z-index: -1;
}

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

.service-card:hover {
    border-color: var(--color-accent-primary);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 25px rgba(59, 130, 246, 0.2);
}

.service-card:nth-child(2) {
    transform: rotate(1deg) translateY(80px) scale(0.9);
    margin-top: var(--space-lg);
}

.service-card:nth-child(3) {
    transform: rotate(-0.5deg) translateY(80px) scale(0.9);
    margin-top: var(--space-md);
}

.service-card:nth-child(4) {
    transform: rotate(0.5deg) translateY(80px) scale(0.9);
    margin-top: var(--space-sm);
}

.service-card:nth-child(5) {
    transform: rotate(-0.3deg) translateY(80px) scale(0.9);
    margin-top: var(--space-xs);
}

.service-card:nth-child(6) {
    transform: rotate(0.8deg) translateY(80px) scale(0.9);
    margin-top: var(--space-md);
}

.service-card.animate-in:nth-child(2) {
    transform: rotate(1deg) translateY(0) scale(1);
}

.service-card.animate-in:nth-child(3) {
    transform: rotate(-0.5deg) translateY(0) scale(1);
}

.service-card.animate-in:nth-child(4) {
    transform: rotate(0.5deg) translateY(0) scale(1);
}

.service-card.animate-in:nth-child(5) {
    transform: rotate(-0.3deg) translateY(0) scale(1);
}

.service-card.animate-in:nth-child(6) {
    transform: rotate(0.8deg) translateY(0) scale(1);
}

.service-card:hover:nth-child(2),
.service-card:hover:nth-child(3),
.service-card:hover:nth-child(4),
.service-card:hover:nth-child(5),
.service-card:hover:nth-child(6) {
    transform: rotate(0deg) translateY(-8px) scale(1.02);
}

.service-icon {
    width: 60px;
    height: 60px;
    color: var(--color-accent-primary);
    margin-bottom: var(--space-lg);
    transition: all 0.3s var(--ease-smooth);
    will-change: transform;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(3deg);
    filter: drop-shadow(0 0 12px rgba(59, 130, 246, 0.5));
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s var(--ease-smooth);
}

.service-card:hover .service-title {
    color: var(--color-accent-primary);
    transform: translateX(6px);
}

.service-description {
    color: var(--color-gray-light);
    line-height: 1.6;
    margin-bottom: var(--space-lg);
    font-size: 1.1rem;
    transition: color 0.3s var(--ease-smooth);
}

.service-card:hover .service-description {
    color: var(--color-white);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-accent-primary);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 6px;
    transition: all 0.2s var(--ease-smooth);
    transform: translateY(0);
}

.service-card:hover .tag {
    background: rgba(59, 130, 246, 0.2);
    border-color: var(--color-accent-primary);
    transform: translateY(-1px);
}

/* Contact Section */
.contact-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, var(--color-gray-dark), var(--color-black));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxxl);
    align-items: start;
}

.contact-lead {
    font-size: 1.4rem;
    color: var(--color-gray-light);
    line-height: 1.4;
    margin-bottom: var(--space-xl);
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s var(--ease-out-expo);
}

.contact-info.animate-in .contact-lead {
    opacity: 1;
    transform: translateY(0);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--color-white);
    text-decoration: none;
    font-size: 1.1rem;
    padding: var(--space-md);
    border: 1px solid rgba(59, 130, 246, 0.1);
    background: rgba(59, 130, 246, 0.02);
    transition: all 0.3s var(--ease-smooth);
    border-radius: 12px;
    opacity: 0;
    transform: translateX(-40px);
    will-change: transform, box-shadow, border-color;
}

.contact-method.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.contact-method:hover {
    border-color: var(--color-accent-primary);
    background: rgba(59, 130, 246, 0.05);
    transform: translateX(8px) scale(1.02);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.2);
}

.contact-method svg {
    width: 24px;
    height: 24px;
    color: var(--color-accent-primary);
    transition: transform 0.2s var(--ease-smooth);
}

.contact-method:hover svg {
    transform: scale(1.1) rotate(3deg);
}

/* Form Styling - Optimized */
.contact-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(59, 130, 246, 0.1);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    opacity: 0;
    transform: translateY(60px);
    transition: all 1s var(--ease-out-expo);
}

.contact-form.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.form-group {
    margin-bottom: var(--space-lg);
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s var(--ease-out-expo);
}

.contact-form.animate-in .form-group {
    opacity: 1;
    transform: translateY(0);
}

.contact-form.animate-in .form-group:nth-child(1) { transition-delay: 0.1s; }
.contact-form.animate-in .form-group:nth-child(2) { transition-delay: 0.2s; }
.contact-form.animate-in .form-group:nth-child(3) { transition-delay: 0.3s; }
.contact-form.animate-in .form-group:nth-child(4) { transition-delay: 0.4s; }

.form-label {
    display: block;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    transition: color 0.2s var(--ease-smooth);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s var(--ease-smooth);
    border-radius: 8px;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(59, 130, 246, 0.05);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    transform: scale(1.01);
}

.form-input::placeholder {
    color: var(--color-gray-light);
    transition: color 0.2s var(--ease-smooth);
}

.form-input:focus::placeholder {
    color: transparent;
}

.form-submit {
    background: var(--color-accent-primary);
    color: var(--color-white);
    border: none;
    padding: var(--space-md) var(--space-xl);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s var(--ease-smooth);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    justify-content: center;
    font-size: 1.1rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    will-change: transform, box-shadow, background-color;
}

.form-submit:hover {
    background: var(--color-accent-light);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.form-submit:active {
    transform: translateY(-1px) scale(1.01);
    transition-duration: 0.1s;
}

.form-submit svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--ease-smooth);
}

.form-submit:hover svg {
    transform: translate(4px, -4px) rotate(3deg);
}

/* Footer */
.footer {
    background: var(--color-black);
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    padding: var(--space-xl) var(--space-md);
}

.footer-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    color: var(--color-gray-light);
    font-size: 0.9rem;
    transition: color 0.2s var(--ease-smooth);
}

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

.footer-social a {
    color: var(--color-gray-light);
    transition: all 0.3s var(--ease-smooth);
    padding: var(--space-xs);
    border-radius: 8px;
}

.footer-social a:hover {
    color: var(--color-accent-primary);
    transform: translateY(-2px) scale(1.05);
    background: rgba(59, 130, 246, 0.1);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

/* Neural Network Animations */
@keyframes connectionPulse {
    0%, 100% { 
        opacity: 0.2; 
        stroke-width: 1;
        stroke-dashoffset: 0;
    }
    50% { 
        opacity: 0.8; 
        stroke-width: 2;
        stroke-dashoffset: 10;
    }
}

@keyframes connectionFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes nodePulse {
    0%, 100% { 
        opacity: 0.6; 
        transform: scale(1);
    }
    50% { 
        opacity: 1; 
        transform: scale(1.2);
    }
}

@keyframes nodeFloat {
    0%, 100% { transform: translateY(0px) scale(1); }
    33% { transform: translateY(-8px) scale(1.1); }
    66% { transform: translateY(5px) scale(0.9); }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(60px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRotate {
    from {
        opacity: 0;
        transform: translateY(60px) rotate(-10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotate(-2deg);
    }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes scrollPulse {
    0% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
    100% { opacity: 0.3; transform: scaleY(1); }
}

@keyframes neuralPulse {
    0% { opacity: 0.3; stroke-width: 1; }
    100% { opacity: 0.8; stroke-width: 2; }
}

@keyframes coreRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes centerPulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    :root {
        --space-xxxl: 3rem;
        --space-xxl: 2rem;
        --space-xl: 1.5rem;
    }
    
    .nav-content {
        padding: var(--space-sm);
        height: 70px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 1px solid rgba(59, 130, 246, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s var(--ease-smooth);
        gap: var(--space-md);
        height: auto;
    }
    
    .nav-menu.mobile-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        width: 100%;
        height: auto;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--space-md);
        font-size: 1.1rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scale(0);
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-section {
        padding: var(--space-xl) var(--space-md);
        text-align: center;
    }
    
    .ai-neural-network {
        opacity: 0.3;
    }
    
    .hero-title {
        font-size: clamp(2rem, 10vw, 4rem);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .content-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .stats-container {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .service-card:nth-child(2),
    .service-card:nth-child(3),
    .service-card:nth-child(4),
    .service-card:nth-child(5),
    .service-card:nth-child(6) {
        transform: translateY(80px) scale(0.9);
        margin-top: 0;
    }
    
    .service-card.animate-in:nth-child(2),
    .service-card.animate-in:nth-child(3),
    .service-card.animate-in:nth-child(4),
    .service-card.animate-in:nth-child(5),
    .service-card.animate-in:nth-child(6) {
        transform: translateY(0) scale(1);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .section-content {
        padding: var(--space-xl) var(--space-sm);
    }
    
    .hero-section {
        padding: var(--space-xl) var(--space-sm);
    }
    
    .section-title {
        font-size: clamp(2rem, 12vw, 3rem);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--space-lg);
    }
    
    .contact-form {
        padding: var(--space-lg);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --color-black: #000000;
        --color-white: #ffffff;
        --color-gray-light: #cccccc;
        --color-accent-primary: #4F9EFF;
    }
}

/* Print styles */
@media print {
    .nav-container,
    .ai-neural-network,
    .scroll-indicator {
        display: none;
    }
    
    .hero-section,
    .about-section,
    .services-section,
    .contact-section {
        min-height: auto;
        page-break-inside: avoid;
    }
    
    .parallax-bg {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
}

/* Focus visible for better keyboard navigation */
.nav-link:focus-visible,
.service-card:focus-visible,
.contact-method:focus-visible,
.form-input:focus-visible,
.form-submit:focus-visible {
    outline: 3px solid var(--color-accent-primary);
    outline-offset: 2px;
}