/* ============================================================================
   TrueAiTech - Futuristic AI Automation Website Styles
   Version: 2.0
   Description: Complete CSS for enterprise-level AI consulting website
   ============================================================================ */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

*:before,
*:after {
    box-sizing: border-box;
}

:root {
    /* Cyberpunk Color Palette */
    --primary-cyan: #00ffff;
    --primary-purple: #8b5cf6;
    --neon-pink: #ff00ff;
    --electric-blue: #0066ff;
    --neon-green: #00ff88;
    --neon-orange: #ff6600;
    
    /* Background Colors */
    --dark-bg: #0a0a0f;
    --darker-bg: #050508;
    --darkest-bg: #020204;
    
    /* Glass Effects */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-strong: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-border-strong: rgba(255, 255, 255, 0.2);
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b4b4b8;
    --text-muted: #8b8b8f;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-cyan), var(--primary-purple));
    --gradient-secondary: linear-gradient(135deg, var(--electric-blue), var(--neon-pink));
    --gradient-accent: linear-gradient(135deg, var(--neon-green), var(--neon-orange));
    --gradient-radial: radial-gradient(circle at center, var(--primary-cyan) 0%, transparent 70%);
    
    /* Shadows and Glows */
    --shadow-glow: 0 0 20px rgba(0, 255, 255, 0.3);
    --shadow-glow-strong: 0 0 40px rgba(0, 255, 255, 0.5);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 16px 64px rgba(0, 0, 0, 0.4);
    
    /* Typography */
    --font-primary: 'Rajdhani', sans-serif;
    --font-accent: 'Orbitron', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Borders */
    --border-radius-sm: 8px;
    --border-radius-md: 15px;
    --border-radius-lg: 25px;
    --border-radius-xl: 50px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-indexes */
    --z-background: -2;
    --z-particles: -1;
    --z-content: 1;
    --z-nav: 1000;
    --z-modal: 2000;
    --z-loading: 3000;
}

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

body {
    font-family: var(--font-primary);
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* ============================================================================
   Loading Screen
   ============================================================================ */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--darkest-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loading-logo {
    font-family: var(--font-accent);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-md);
    animation: loading-pulse 2s ease-in-out infinite alternate;
}

.loading-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.loading-bar {
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    width: 0;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 2px;
    animation: loading-progress 3s ease-in-out infinite;
}

@keyframes loading-pulse {
    0% {
        filter: brightness(1);
        text-shadow: 0 0 20px var(--primary-cyan);
    }
    100% {
        filter: brightness(1.5);
        text-shadow: 0 0 40px var(--primary-purple);
    }
}

@keyframes loading-progress {
    0% { width: 0; }
    50% { width: 70%; }
    100% { width: 100%; }
}

/* ============================================================================
   Background Effects
   ============================================================================ */

.neural-background,
.particle-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.neural-background {
    z-index: var(--z-background);
    opacity: 0.3;
}

.particle-background {
    z-index: var(--z-particles);
    opacity: 0.4;
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    box-shadow: var(--shadow-card-hover);
}

.glass-text {
    color: var(--text-secondary);
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}

.holographic-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    font-weight: 600;
}

.badge-icon {
    font-size: 1.2rem;
}

.badge-text {
    color: var(--primary-cyan);
}

/* ============================================================================
   Navigation
   ============================================================================ */

.glass-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    z-index: var(--z-nav);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 15px 30px;
    transition: all var(--transition-normal);
}

.glass-nav.scrolled {
    background: var(--glass-bg-strong);
    border-color: var(--glass-border-strong);
    box-shadow: var(--shadow-glow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.holographic-logo {
    font-family: var(--font-accent);
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    animation: holographic-glow 3s ease-in-out infinite alternate;
}

@keyframes holographic-glow {
    0% {
        filter: hue-rotate(0deg) brightness(1);
        text-shadow: 0 0 20px var(--primary-cyan);
    }
    100% {
        filter: hue-rotate(60deg) brightness(1.2);
        text-shadow: 0 0 30px var(--primary-purple);
    }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-normal);
    position: relative;
    padding: 5px 0;
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-cyan);
    margin: 3px 0;
    transition: var(--transition-normal);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* ============================================================================
   Buttons
   ============================================================================ */

.holographic-btn {
    position: relative;
    padding: 15px 30px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: var(--border-radius-xl);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.holographic-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    border-radius: inherit;
    z-index: -1;
    transition: all var(--transition-normal);
}

.holographic-btn:hover::before {
    background: var(--gradient-secondary);
    box-shadow: var(--shadow-glow-strong);
}

.holographic-btn:hover {
    transform: translateY(-2px);
}

.btn-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all var(--transition-slow);
    pointer-events: none;
}

.holographic-btn:hover .btn-glow {
    width: 300px;
    height: 300px;
}

.glass-btn {
    padding: 15px 30px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.glass-btn:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.holographic-btn-small {
    padding: 12px 25px;
    font-size: 14px;
    background: transparent;
    border: 2px solid var(--primary-cyan);
    border-radius: 30px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.holographic-btn-small::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left var(--transition-normal);
    z-index: -1;
}

.holographic-btn-small:hover::before {
    left: 0;
}

.holographic-btn-small:hover {
    color: var(--dark-bg);
    border-color: var(--primary-purple);
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

/* ============================================================================
   Hero Section
   ============================================================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px var(--spacing-lg) var(--spacing-xxl);
    position: relative;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-content {
    z-index: var(--z-content);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9rem;
    font-weight: 600;
    animation: float 6s ease-in-out infinite;
}

.hero-title {
    font-family: var(--font-accent);
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 30px;
}

.glitch-text {
    position: relative;
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glitch 2s infinite;
}

@keyframes glitch {
    0%, 100% {
        transform: translate(0);
    }
    10% {
        transform: translate(-2px, -2px);
        text-shadow: 2px 2px var(--neon-pink);
    }
    20% {
        transform: translate(2px, 2px);
        text-shadow: -2px -2px var(--primary-cyan);
    }
    30% {
        transform: translate(-2px, 2px);
        text-shadow: 2px -2px var(--neon-pink);
    }
    40% {
        transform: translate(2px, -2px);
        text-shadow: -2px 2px var(--primary-cyan);
    }
    50% {
        transform: translate(-2px, -2px);
        text-shadow: 2px 2px var(--neon-pink);
    }
    60% {
        transform: translate(2px, 2px);
        text-shadow: -2px -2px var(--primary-cyan);
    }
    70% {
        transform: translate(-2px, 2px);
        text-shadow: 2px -2px var(--neon-pink);
    }
    80% {
        transform: translate(2px, -2px);
        text-shadow: -2px 2px var(--primary-cyan);
    }
    90% {
        transform: translate(-2px, -2px);
        text-shadow: 2px 2px var(--neon-pink);
    }
}

.hero-subtitle {
    display: block;
    font-size: 2rem;
    color: var(--text-secondary);
    margin-top: 10px;
    font-weight: 400;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 500px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn-arrow {
    font-size: 1.2rem;
    transition: transform var(--transition-normal);
}

.glass-btn:hover .btn-arrow {
    transform: translateX(5px);
}

.hero-stats {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.stat-item {
    padding: 20px 25px;
    text-align: center;
    min-width: 120px;
    transition: all var(--transition-normal);
}

.stat-item:hover {
    background: var(--glass-bg-strong);
    transform: translateY(-5px);
}

.stat-number {
    font-family: var(--font-accent);
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-cyan);
    text-shadow: 0 0 10px var(--primary-cyan);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* ============================================================================
   Hero Visual Effects
   ============================================================================ */

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.ai-brain-container {
    position: relative;
    width: 500px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-brain {
    width: 300px;
    height: 300px;
    position: relative;
    transform-style: preserve-3d;
    animation: brain-rotate 20s linear infinite;
}

@keyframes brain-rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.brain-core {
    width: 100%;
    height: 100%;
    background: var(--gradient-radial);
    border-radius: 50%;
    position: absolute;
    animation: pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 50px var(--primary-cyan);
        transform: scale(1);
    }
    100% {
        box-shadow: 0 0 100px var(--primary-purple);
        transform: scale(1.1);
    }
}

.neural-connections {
    position: absolute;
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%2300ffff" opacity="0.7"/><circle cx="80" cy="30" r="1.5" fill="%238b5cf6" opacity="0.7"/><circle cx="60" cy="70" r="2" fill="%23ff00ff" opacity="0.7"/><circle cx="30" cy="80" r="1.5" fill="%2300ffff" opacity="0.7"/><line x1="20" y1="20" x2="80" y2="30" stroke="%2300ffff" stroke-width="0.5" opacity="0.5"/><line x1="80" y1="30" x2="60" y2="70" stroke="%238b5cf6" stroke-width="0.5" opacity="0.5"/><line x1="60" y1="70" x2="30" y2="80" stroke="%23ff00ff" stroke-width="0.5" opacity="0.5"/><line x1="30" y1="80" x2="20" y2="20" stroke="%2300ffff" stroke-width="0.5" opacity="0.5"/></svg>') no-repeat center;
    background-size: contain;
    animation: connections-pulse 3s ease-in-out infinite;
}

@keyframes connections-pulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

.data-stream {
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    border: 2px solid transparent;
    border-radius: 50%;
    border-top-color: var(--primary-cyan);
    border-right-color: var(--primary-purple);
    animation: data-stream-rotate 4s linear infinite;
}

@keyframes data-stream-rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) {
    top: 10%;
    left: 20%;
}

.floating-icon:nth-child(2) {
    top: 20%;
    right: 15%;
}

.floating-icon:nth-child(3) {
    bottom: 30%;
    left: 10%;
}

.floating-icon:nth-child(4) {
    bottom: 15%;
    right: 25%;
}

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

/* ============================================================================
   Services Section
   ============================================================================ */

.services-section {
    padding: 150px var(--spacing-lg);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-family: var(--font-accent);
    font-size: 3rem;
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    padding: 40px 30px;
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
    cursor: pointer;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.floating-card {
    animation: float 6s ease-in-out infinite;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    border-radius: inherit;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

.service-card:hover .card-glow {
    opacity: 0.1;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-radius: 50%;
    background: var(--gradient-primary);
    padding: 15px;
}

.icon-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.icon-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0;
    filter: blur(10px);
    transition: opacity var(--transition-normal);
}

.service-card:hover .icon-glow {
    opacity: 0.7;
}

.service-title {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary-cyan);
}

.service-description {
    margin-bottom: 25px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 25px;
}

.feature {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-align: left;
}

.service-price {
    font-family: var(--font-accent);
    font-size: 2rem;
    font-weight: 900;
    color: var(--primary-cyan);
    margin-bottom: 30px;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.service-cta {
    margin-top: auto;
}

/* Premium Services */
.premium-services {
    margin-top: 80px;
    text-align: center;
}

.premium-title {
    font-family: var(--font-accent);
    font-size: 2.5rem;
    margin-bottom: 40px;
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.premium-card {
    padding: 30px 20px;
    text-align: center;
    transition: all var(--transition-normal);
}

.premium-card:hover {
    transform: translateY(-5px);
    background: var(--glass-bg-strong);
}

.premium-card h4 {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    color: var(--primary-cyan);
    margin-bottom: 10px;
}

.premium-card p {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.premium-price {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-pink);
}

/* ============================================================================
   About Section
   ============================================================================ */

.about-section {
    padding: 150px var(--spacing-lg);
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.about-highlights {
    margin-bottom: 40px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-text h4 {
    font-family: var(--font-accent);
    color: var(--primary-cyan);
    margin-bottom: 5px;
}

.highlight-text p {
    color: var(--text-secondary);
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.glass-tag {
    padding: 10px 20px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    font-size: 0.9rem;
    color: var(--primary-cyan);
    transition: all var(--transition-normal);
}

.glass-tag:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--shadow-glow);
}

/* ============================================================================
   3D Services Cube
   ============================================================================ */

.tech-cube {
    width: 220px;
    height: 220px;
    margin: 0 auto;
    transform-style: preserve-3d;
    animation: cube-rotate 20s linear infinite;
    position: relative;
}

@keyframes cube-rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.cube-face {
    position: absolute;
    width: 220px;
    height: 220px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid var(--primary-cyan);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-family: var(--font-accent);
    color: var(--primary-cyan);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.cube-face:hover {
    background: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.5);
    border-color: var(--neon-pink);
}

.service-face {
    padding: 15px;
    text-align: center;
}

.service-face .service-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 10px var(--primary-cyan));
}

.service-face .service-name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    line-height: 1.2;
}

.service-face .service-price {
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--neon-pink);
    text-shadow: 0 0 15px rgba(255, 0, 255, 0.7);
}

/* Cube Face Positioning */
.cube-face.front { transform: rotateY(0deg) translateZ(110px); }
.cube-face.back { transform: rotateY(180deg) translateZ(110px); }
.cube-face.right { transform: rotateY(90deg) translateZ(110px); }
.cube-face.left { transform: rotateY(-90deg) translateZ(110px); }
.cube-face.top { transform: rotateX(90deg) translateZ(110px); }
.cube-face.bottom { transform: rotateX(-90deg) translateZ(110px); }

.tech-cube:hover {
    animation-play-state: paused;
}

/* ============================================================================
   Portfolio Section
   ============================================================================ */

.portfolio-section {
    padding: 150px var(--spacing-lg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 60px;
}

.portfolio-item {
    height: 400px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    border-radius: var(--border-radius-lg);
}

.portfolio-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-glow-strong);
}

.portfolio-image {
    width: 100%;
    height: 100%;
    position: relative;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity var(--transition-normal);
}

.portfolio-item:hover .portfolio-image img {
    opacity: 0.3;
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}

.portfolio-item:hover .project-overlay {
    transform: translateY(0);
}

.project-content h3 {
    font-family: var(--font-accent);
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-cyan);
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.project-tags .tag {
    padding: 4px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
    color: var(--primary-cyan);
}

.project-results {
    display: flex;
    gap: 20px;
}

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

.result-number {
    font-family: var(--font-accent);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--neon-pink);
    display: block;
}

.result-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Portfolio Filter */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: var(--font-primary);
    font-weight: 600;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--glass-bg-strong);
    color: var(--primary-cyan);
    border-color: var(--primary-cyan);
    box-shadow: var(--shadow-glow);
}

/* ============================================================================
   Testimonials Section
   ============================================================================ */

.testimonials-section {
    padding: 100px var(--spacing-lg);
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), rgba(139, 92, 246, 0.05));
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.testimonial-card {
    padding: 30px;
    text-align: center;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    background: var(--glass-bg-strong);
}

.stars {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.testimonial-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    color: var(--text-secondary);
    font-style: italic;
}

.author-info h4 {
    color: var(--primary-cyan);
    font-family: var(--font-accent);
    margin-bottom: 5px;
}

.author-info span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================================================
   Contact Section
   ============================================================================ */

.contact-section {
    padding: 150px var(--spacing-lg);
}

.contact-header {
    text-align: center;
    margin-bottom: 60px;
}

.contact-grid {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-normal);
}

.contact-item:hover {
    background: var(--glass-bg-strong);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact-details h4 {
    font-family: var(--font-accent);
    color: var(--primary-cyan);
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--text-secondary);
}

/* Contact Form */
.glass-form {
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.glass-input {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 16px;
    transition: all var(--transition-normal);
    resize: vertical;
}

.glass-input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
}

.glass-input::placeholder {
    color: var(--text-muted);
}

.checkbox-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
}

.checkbox-container input[type="checkbox"] {
    opacity: 0;
    position: absolute;
}

.checkmark {
    width: 20px;
    height: 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    position: relative;
    transition: all var(--transition-normal);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: var(--gradient-primary);
    border-color: var(--primary-cyan);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-primary);
    font-weight: bold;
}

.form-submit {
    width: 100%;
    margin-top: 20px;
}

.form-note {
    text-align: center;
    font-size: 0.9rem;
    margin-top: 15px;
}

/* ============================================================================
   Footer
   ============================================================================ */

.footer {
    background: linear-gradient(135deg, var(--darker-bg), var(--darkest-bg));
    border-top: 1px solid var(--glass-border);
    padding: 60px var(--spacing-lg) 30px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-description {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 45px;
    height: 45px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--glass-bg-strong);
    color: var(--primary-cyan);
    box-shadow: var(--shadow-glow);
    transform: translateY(-3px);
}

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

.footer-title {
    font-family: var(--font-accent);
    color: var(--primary-cyan);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--glass-border);
    padding-top: 30px;
}

.footer-bottom-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-badges {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-badges .badge {
    padding: 8px 15px;
    font-size: 0.8rem;
    color: var(--primary-cyan);
    border: 1px solid var(--glass-border);
}

/* ============================================================================
   Back to Top Button
   ============================================================================ */

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 100;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 1200px) {
    .section-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container,
    .about-content {
        gap: 60px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .glass-nav {
        padding: 10px 20px;
        width: 95%;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg-strong);
        backdrop-filter: blur(20px);
        border: 1px solid var(--glass-border);
        border-radius: var(--border-radius-md);
        margin-top: 10px;
        padding: 20px;
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-container,
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tech-cube {
        width: 180px;
        height: 180px;
    }
    
    .cube-face {
        width: 180px;
        height: 180px;
    }
    
    .cube-face.front { transform: rotateY(0deg) translateZ(90px); }
    .cube-face.back { transform: rotateY(180deg) translateZ(90px); }
    .cube-face.right { transform: rotateY(90deg) translateZ(90px); }
    .cube-face.left { transform: rotateY(-90deg) translateZ(90px); }
    .cube-face.top { transform: rotateX(90deg) translateZ(90px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(90px); }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-section,
    .about-section,
    .portfolio-section,
    .contact-section {
        padding: 80px var(--spacing-sm);
    }
    
    .service-card,
    .testimonial-card {
        padding: 30px 20px;
    }
    
    .hero-section {
        padding: 100px var(--spacing-sm) var(--spacing-lg);
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

/* ============================================================================
   Accessibility & Performance
   ============================================================================ */

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

@media (prefers-color-scheme: light) {
    :root {
        --dark-bg: #040404;
        --darker-bg: #000000;
        --darkest-bg: #061932;
        --text-primary: #fdfdfd;
        --text-secondary: #ffffff;
        --text-muted: #e8ecf0;
        --glass-bg: rgba(0, 0, 0, 0.05);
        --glass-bg-strong: rgba(0, 0, 0, 0.1);
        --glass-border: rgba(0, 0, 0, 0.1);
        --glass-border-strong: rgba(0, 0, 0, 0.2);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(255, 255, 255, 0.2);
        --glass-border: rgba(255, 255, 255, 0.4);
        --text-secondary: #ffffff;
    }
}

/* Print styles */
@media print {
    .neural-background,
    .particle-background,
    .glass-nav,
    .back-to-top {
        display: none;
    }
    
    body {
        background: rgb(0, 0, 0);
        color: rgb(255, 255, 255);
    }
    
    .glass-card {
        border: 1px solid #ccc;
        background: white;
    }
}

/* ============================================================================
   Animation Classes
   ============================================================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============================================================================
   Focus Styles for Accessibility
   ============================================================================ */

button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary-cyan);
    outline-offset: 2px;
}

.nav-link:focus,
.social-link:focus {
    outline: 2px solid var(--primary-cyan);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ============================================================================
   Dark Mode Toggle (if needed)
   ============================================================================ */

.theme-toggle {
    position: fixed;
    top: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 100;
}

.theme-toggle:hover {
    background: var(--glass-bg-strong);
    box-shadow: var(--shadow-glow);
    transform: rotate(180deg);
}

/* ============================================================================
   Custom Scrollbar
   ============================================================================ */

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

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

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

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

/* Firefox scrollbar */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--primary-cyan) var(--darker-bg);
}

/* ============================================================================
   Enhanced Mobile & Tablet Responsive Design
   ============================================================================ */

/* Tablet Landscape (1024px and below) */
@media (max-width: 1024px) {
    .section-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-container,
    .about-content,
    .contact-grid {
        gap: 50px;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .premium-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

/* Tablet Portrait (768px and below) */
@media (max-width: 768px) {
    /* Navigation Improvements */
    .glass-nav {
        padding: 10px 20px;
        width: 95%;
        position: fixed;
        top: }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--glass-bg-strong);
        backdrop-filter: blur(30px);
        border: 1px solid var(--glass-border);
        border-radius: var(--border-radius-md);
        margin-top: 10px;
        padding: 20px;
        flex-direction: column;
        gap: 15px;
        box-shadow: var(--shadow-card);
    }
    
    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .holographic-logo {
        font-size: 24px;
    }
    
    /* Hero Section Mobile */
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding-top: 60px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 20px;
    }
    
    .stat-item {
        min-width: 100px;
        padding: 15px 20px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    /* AI Brain Mobile Adjustments */
    .ai-brain-container {
        width: 350px;
        height: 350px;
    }
    
    .ai-brain {
        width: 250px;
        height: 250px;
    }
    
    .floating-icon {
        font-size: 1.5rem;
    }
    
    /* Services Section Mobile */
    .services-section {
        padding: 100px var(--spacing-sm);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 100%;
    }
    
    .service-card {
        padding: 30px 25px;
        margin: 0 auto;
        max-width: 400px;
    }
    
    .service-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 25px;
    }
    
    .icon-img {
        width: 40px;
        height: 40px;
    }
    
    .service-title {
        font-size: 1.3rem;
    }
    
    .service-price {
        font-size: 1.8rem;
    }
    
    /* About Section Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .about-highlights {
        text-align: left;
        max-width: 500px;
        margin: 0 auto 40px;
    }
    
    .expertise-tags {
        justify-content: center;
    }
    
    /* 3D Cube Mobile */
    .tech-cube {
        width: 180px;
        height: 180px;
    }
    
    .cube-face {
        width: 180px;
        height: 180px;
    }
    
    .cube-face.front { transform: rotateY(0deg) translateZ(90px); }
    .cube-face.back { transform: rotateY(180deg) translateZ(90px); }
    .cube-face.right { transform: rotateY(90deg) translateZ(90px); }
    .cube-face.left { transform: rotateY(-90deg) translateZ(90px); }
    .cube-face.top { transform: rotateX(90deg) translateZ(90px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(90px); }
    
    .service-face .service-icon {
        font-size: 2rem;
    }
    
    .service-face .service-name {
        font-size: 0.9rem;
    }
    
    .service-face .service-price {
        font-size: 1.2rem;
    }
    
    /* Portfolio Section Mobile */
    .portfolio-section {
        padding: 100px var(--spacing-sm);
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .portfolio-item {
        height: 300px;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .portfolio-filter {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    
    .filter-btn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    /* Contact Section Mobile */
    .contact-section {
        padding: 100px var(--spacing-sm);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info {
        order: 2;
    }
    
    .glass-form {
        order: 1;
        padding: 30px 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .glass-input {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 40px var(--spacing-sm) 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-description {
        max-width: 100%;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-badges {
        justify-content: center;
    }
}

/* Mobile Phone (480px and below) */
@media (max-width: 480px) {
    /* Typography scaling */
    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .section-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .glitch-text {
        font-size: 2rem; /* Override for mobile */
    }
    
    /* Spacing adjustments */
    .hero-section,
    .services-section,
    .about-section,
    .portfolio-section,
    .contact-section {
        padding: 80px 15px;
    }
    
    .hero-section {
        padding-top: 100px;
        min-height: auto;
    }
    
    /* Button adjustments */
    .holographic-btn,
    .glass-btn {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        max-width: 280px;
    }
    
    .holographic-btn-small {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    /* Card adjustments */
    .service-card,
    .testimonial-card {
        padding: 25px 20px;
        margin: 0 auto;
        max-width: 320px;
    }
    
    .glass-card {
        border-radius: var(--border-radius-sm);
    }
    
    /* Navigation mobile */
    .glass-nav {
        padding: 8px 15px;
        width: 98%;
        top: 5px;
    }
    
    .holographic-logo {
        font-size: 20px;
    }
    
    .logo-img {
        width: 32px;
        height: 32px;
    }
    
    /* Hero stats mobile */
    .hero-stats {
        gap: 15px;
        flex-direction: column;
        align-items: center;
    }
    
    .stat-item {
        min-width: 150px;
    }
    
    /* AI Brain very small screens */
    .ai-brain-container {
        width: 280px;
        height: 280px;
    }
    
    .ai-brain {
        width: 200px;
        height: 200px;
    }
    
    /* Cube ultra mobile */
    .tech-cube {
        width: 150px;
        height: 150px;
    }
    
    .cube-face {
        width: 150px;
        height: 150px;
        padding: 10px;
    }
    
    .cube-face.front { transform: rotateY(0deg) translateZ(75px); }
    .cube-face.back { transform: rotateY(180deg) translateZ(75px); }
    .cube-face.right { transform: rotateY(90deg) translateZ(75px); }
    .cube-face.left { transform: rotateY(-90deg) translateZ(75px); }
    .cube-face.top { transform: rotateX(90deg) translateZ(75px); }
    .cube-face.bottom { transform: rotateX(-90deg) translateZ(75px); }
    
    .service-face .service-icon {
        font-size: 1.8rem;
        margin-bottom: 5px;
    }
    
    .service-face .service-name {
        font-size: 0.8rem;
        margin-bottom: 5px;
    }
    
    .service-face .service-price {
        font-size: 1rem;
    }
    
    /* Back to top mobile */
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    /* Form mobile */
    .glass-form {
        padding: 25px 20px;
    }
    
    .glass-input {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    /* Portfolio mobile */
    .portfolio-item {
        height: 250px;
    }
    
    .project-overlay {
        padding: 20px;
    }
    
    .project-content h3 {
        font-size: 1.1rem;
    }
    
    .project-results {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .result-number {
        font-size: 1.2rem;
    }
}

/* Ultra-wide screens (1440px and above) */
@media (min-width: 1440px) {
    .section-container {
        max-width: 1600px;
        padding: 0 var(--spacing-xl);
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .section-title {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
        max-width: 1400px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .service-card:hover,
    .portfolio-item:hover,
    .glass-card:hover {
        transform: none;
    }
    
    .service-card,
    .portfolio-item,
    .glass-card {
        transition: none;
    }
    
    .tilt-effect,
    [data-tilt] {
        transform: none !important;
    }
    
    /* Make buttons more touch-friendly */
    .holographic-btn,
    .glass-btn,
    .holographic-btn-small {
        min-height: 44px; /* iOS touch target guideline */
        touch-action: manipulation;
    }
    
    .nav-link {
        padding: 10px 5px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

/* High DPI / Retina display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .icon-img,
    .logo-img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Landscape phone orientation */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        min-height: 100vh;
        padding: 60px var(--spacing-sm) 40px;
    }
    
    .hero-container {
        gap: 30px;
    }
    
    .hero-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    
    .hero-cta {
        margin-bottom: 30px;
    }
    
    .ai-brain-container {
        width: 250px;
        height: 250px;
    }
    
    .ai-brain {
        width: 180px;
        height: 180px;
    }
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
    /* Reduce animations on mobile for better performance */
    .neural-background,
    .particle-background {
        opacity: 0.2;
    }
    
    .brain-rotate,
    .cube-rotate {
        animation-duration: 30s; /* Slower rotation */
    }
    
    .floating-card {
        animation: none; /* Disable floating animation on mobile */
    }
    
    /* Simplified shadows for better performance */
    .glass-card {
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    }
    
    .service-card:hover .card-glow,
    .service-card:hover .icon-glow {
        opacity: 0; /* Disable glow effects on mobile */
    }
}

/* Accessibility improvements for mobile */
@media (max-width: 768px) {
    /* Larger touch targets */
    .social-link {
        width: 50px;
        height: 50px;
    }
    
    .filter-btn {
        min-height: 44px;
        padding: 12px 20px;
    }
    
    /* Better contrast for mobile */
    .glass-input::placeholder {
        color: var(--text-secondary);
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    /* Improved mobile form UX */
    .glass-input:focus {
        transform: scale(1.02);
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
    }
}