/* SCPTech Demo - Professional Design System */
/* Advanced CSS Custom Properties for Enterprise UI */
:root {
    /* Primary Brand Colors */
    --primary-color: #0078d4;
    --primary-dark: #005a9e;
    --primary-light: #40e0ff;
    --primary-gradient: linear-gradient(135deg, #0078d4 0%, #40e0ff 100%);
    --primary-gradient-dark: linear-gradient(135deg, #005a9e 0%, #0078d4 100%);
    
    /* Secondary Colors */
    --secondary-color: #00bcf2;
    --accent-color: #ff6b35;
    --success-color: #0b7285;
    --warning-color: #fab005;
    --error-color: #e03131;
    
    /* Neutral Colors */
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    --text-white: #ffffff;
    --text-inverse: #f7fafc;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #edf2f7;
    --bg-dark: #1a202c;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-gradient-light: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    
    /* Glass Morphism */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-backdrop: blur(8px);
    
    /* Advanced Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-colored: 0 10px 25px -5px rgba(0, 120, 212, 0.25);
    
    /* Border Radius */
    --radius-xs: 2px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-2xl: 16px;
    --radius-3xl: 24px;
    --radius-full: 9999px;
    
    /* Spacing System */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --transition-bounce: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Inter', system-ui, sans-serif;
    --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family-primary);
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--bg-primary);
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Professional Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
    font-weight: 600;
}

h4 {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    font-weight: 600;
}

h5 {
    font-size: 1.125rem;
    font-weight: 500;
}

h6 {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: var(--space-lg);
    color: var(--text-secondary);
    font-size: 1.125rem;
    line-height: 1.75;
}

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}

.small {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* Link Styles */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* Selection Styles */
::selection {
    background: var(--primary-color);
    color: var(--text-white);
}

::-moz-selection {
    background: var(--primary-color);
    color: var(--text-white);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Layout Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* Professional Header with Glass Morphism */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    pointer-events: none;
}

.navbar {
    padding: var(--space-lg) 0;
    position: relative;
    z-index: 2;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition-fast);
}

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

.logo {
    height: 45px;
    width: auto;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.brand-name {
    font-size: 1.625rem;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: var(--space-2xl);
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-fast);
    position: relative;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -var(--space-xs);
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-light);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

/* Professional Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-2xl);
    text-decoration: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 1rem;
    font-family: var(--font-family-primary);
    text-align: center;
    transition: var(--transition-bounce);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
    line-height: 1.2;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-white);
    box-shadow: var(--shadow-colored);
    border: 1px solid transparent;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-backdrop);
}

.btn-outline:hover {
    background: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
}

.btn-ghost:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--bg-tertiary);
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.875rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-3xl);
    font-size: 1.125rem;
}

.btn-xl {
    padding: var(--space-xl) var(--space-4xl);
    font-size: 1.25rem;
    font-weight: 700;
}

/* Professional Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 120, 212, 0.2) 0%, transparent 50%);
    animation: gradientShift 15s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><circle cx="30" cy="30" r="1"/></g></svg>');
    opacity: 0.4;
}

@keyframes gradientShift {
    0%, 100% { 
        background: 
            radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.3) 0%, transparent 50%);
    }
    50% { 
        background: 
            radial-gradient(circle at 80% 20%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.3) 0%, transparent 50%);
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: var(--space-lg);
    line-height: 1.1;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-title .highlight {
    background: linear-gradient(135deg, #40e0ff 0%, #ff6b35 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-lg);
    font-weight: 400;
    line-height: 1.4;
}

.hero-description {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-2xl);
    line-height: 1.7;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.hero-image {
    animation: slideInRight 1s ease-out;
    perspective: 1000px;
}

.hero-graphic {
    position: relative;
    height: 500px;
    transform-style: preserve-3d;
}

.floating-card {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    padding: var(--space-xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--glass-shadow);
    animation: float 6s ease-in-out infinite;
    max-width: 220px;
    transition: var(--transition-normal);
    cursor: pointer;
}

.floating-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-2xl);
    background: rgba(255, 255, 255, 0.35);
}

.floating-card:nth-child(1) {
    top: 15%;
    left: 5%;
    animation-delay: 0s;
    transform: rotateY(-10deg) rotateX(5deg);
}

.floating-card:nth-child(2) {
    top: 45%;
    right: 15%;
    animation-delay: 2s;
    transform: rotateY(10deg) rotateX(-5deg);
}

.floating-card:nth-child(3) {
    bottom: 15%;
    left: 15%;
    animation-delay: 4s;
    transform: rotateY(5deg) rotateX(10deg);
}

.floating-card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-sm);
    color: var(--text-white);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.floating-card p {
    font-size: 0.875rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotateY(var(--rotate-y, 0deg)) rotateX(var(--rotate-x, 0deg));
    }
    50% { 
        transform: translateY(-25px) rotateY(var(--rotate-y, 0deg)) rotateX(var(--rotate-x, 0deg));
    }
}

.floating-card:nth-child(1) {
    --rotate-y: -10deg;
    --rotate-x: 5deg;
}

.floating-card:nth-child(2) {
    --rotate-y: 10deg;
    --rotate-x: -5deg;
}

.floating-card:nth-child(3) {
    --rotate-y: 5deg;
    --rotate-x: 10deg;
}

/* Enhanced Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-60px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(60px) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 120, 212, 0.4);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(0, 120, 212, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 120, 212, 0);
    }
}

/* Staggered Animation Classes */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Professional Section Styles */
section {
    padding: var(--space-5xl) 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--space-5xl);
    position: relative;
}

.section-header::after {
    content: '';
    position: absolute;
    bottom: -var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.section-title {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    position: relative;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Alternating Section Backgrounds */
section:nth-child(even) {
    background: var(--bg-secondary);
    position: relative;
}

section:nth-child(even)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.02) 0%, rgba(64, 224, 255, 0.02) 100%);
    pointer-events: none;
}

/* Professional About Section */
.about {
    background: var(--bg-secondary);
    position: relative;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-5xl);
    align-items: start;
}

.about-text h3 {
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
    font-size: 2rem;
    position: relative;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: -var(--space-sm);
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.features-list {
    margin-top: var(--space-2xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 120, 212, 0.1);
}

.feature-item:hover {
    transform: translateX(var(--space-sm));
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-colored);
}

.feature-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 600;
}

.feature-item p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.stat-item {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(0, 120, 212, 0.1);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stat-item:hover {
    transform: translateY(-var(--space-sm)) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    line-height: 1;
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}

/* Professional Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-2xl);
}

.service-card {
    background: var(--bg-primary);
    padding: var(--space-3xl);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 120, 212, 0.1), transparent);
    transition: var(--transition-normal);
}

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

.service-card:hover {
    transform: translateY(-8px) rotateY(5deg);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

.service-card:nth-child(1) {
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.05) 0%, rgba(64, 224, 255, 0.05) 100%);
}

.service-card:nth-child(2) {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.05) 0%, rgba(255, 182, 193, 0.05) 100%);
}

.service-card:nth-child(3) {
    background: linear-gradient(135deg, rgba(0, 178, 133, 0.05) 0%, rgba(64, 224, 208, 0.05) 100%);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: var(--space-lg);
    display: inline-block;
    padding: var(--space-lg);
    background: var(--glass-bg);
    border-radius: var(--radius-2xl);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
}

.service-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
    font-size: 1.5rem;
    font-weight: 700;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin: 0;
}

.service-features li {
    padding: var(--space-sm) 0;
    position: relative;
    padding-left: var(--space-xl);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.service-features li:hover {
    color: var(--text-primary);
    padding-left: calc(var(--space-xl) + var(--space-xs));
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: var(--space-sm);
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.1rem;
    width: 20px;
    height: 20px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* Professional Contact Section */
.contact {
    background: var(--bg-secondary);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 120, 212, 0.03) 0%, rgba(255, 107, 53, 0.03) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5xl);
    position: relative;
    z-index: 1;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-2xl);
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-bounce);
    border: 1px solid rgba(0, 120, 212, 0.1);
    position: relative;
    overflow: hidden;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 120, 212, 0.05), transparent);
    transition: var(--transition-normal);
}

.contact-item:hover::before {
    left: 100%;
}

.contact-item:hover {
    transform: translateY(-var(--space-sm)) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-colored);
}

.contact-item h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    font-size: 1.25rem;
    font-weight: 600;
}

.contact-item p {
    margin: 0;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1.125rem;
}

/* Professional Form Styles */
.form {
    background: var(--bg-primary);
    padding: var(--space-3xl);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0, 120, 212, 0.1);
    position: relative;
    overflow: hidden;
}

.form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.form-group {
    margin-bottom: var(--space-xl);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.01em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-lg);
    border: 2px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    transition: var(--transition-normal);
    font-family: var(--font-family-primary);
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 120, 212, 0.1);
    background: var(--bg-primary);
    transform: translateY(-2px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
    transition: var(--transition-fast);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    opacity: 0.5;
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

/* Professional Footer */
.footer {
    background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    color: var(--text-white);
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
}

.footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.02"><circle cx="30" cy="30" r="1"/></g></svg>');
    opacity: 0.3;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: var(--transition-fast);
}

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

.footer-logo {
    height: 40px;
    width: auto;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-white) 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.footer-text {
    text-align: right;
}

.footer-text p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-text p:first-child {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-xs);
}

.footer-text p:last-child {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
    .container, .nav-container {
        padding: 0 var(--space-lg);
    }
    
    .hero-container {
        gap: var(--space-4xl);
    }
    
    .about-content,
    .contact-content {
        gap: var(--space-4xl);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: var(--space-xl);
    }
    
    .floating-card {
        max-width: 180px;
        padding: var(--space-lg);
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
        text-align: center;
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.25rem);
    }
    
    .hero-buttons {
        justify-content: center;
        gap: var(--space-md);
    }
    
    .hero-buttons .btn {
        min-width: 200px;
    }
    
    .nav-container {
        flex-direction: column;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    
    .nav-menu {
        gap: var(--space-lg);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }
    
    .about-stats {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--space-lg);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .footer-text {
        text-align: center;
    }
    
    .container {
        padding: 0 var(--space-lg);
    }
    
    .floating-card {
        position: static;
        margin-bottom: var(--space-lg);
        transform: none !important;
        animation: fadeInUp 0.6s ease-out forwards;
    }
    
    .hero-graphic {
        height: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }
    
    section {
        padding: var(--space-4xl) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-4xl);
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
        gap: var(--space-md);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }
    
    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .service-card,
    .contact-item,
    .form {
        padding: var(--space-xl);
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        padding: var(--space-lg) var(--space-xl);
    }
    
    .nav-menu {
        gap: var(--space-md);
    }
    
    .nav-link {
        padding: var(--space-sm);
        font-size: 0.875rem;
    }
    
    .container {
        padding: 0 var(--space-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-icon,
    .contact-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .stat-item h3 {
        font-size: 2.5rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .floating-card {
        max-width: 100%;
        margin-bottom: var(--space-md);
    }
}

/* High-DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo,
    .footer-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Reduced Motion Preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .floating-card {
        animation: none;
    }
    
    .hero::before {
        animation: none;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1a202c;
        --bg-secondary: #2d3748;
        --bg-tertiary: #4a5568;
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-tertiary: #cbd5e0;
    }
}