/* ==========================================================================
   ADVANCED G-SQUAD STYLES - MODERN DESIGN SYSTEM
   ========================================================================== */

/* Advanced CSS Variables */
:root {
    /* Enhanced Color System */
    --primary-bg: #0A0A0A;
    --primary-bg-light: #121212;
    --accent-primary: #00F2A9;
    --accent-secondary: #00C48C;
    --accent-tertiary: #4ECDC4;
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --text-muted: #666666;
    
    /* Glassmorphism Colors */
    --glass-bg: rgba(26, 26, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    
    /* Advanced Gradients */
    --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-secondary: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%);
    --gradient-tertiary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-cyber: linear-gradient(135deg, #00F2A9 0%, #00BFFF 50%, #9D4EDD 100%);
    
    /* Advanced Shadows */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-medium: 0 8px 40px rgba(0, 0, 0, 0.2);
    --shadow-strong: 0 16px 60px rgba(0, 0, 0, 0.3);
    --shadow-accent: 0 0 40px rgba(0, 242, 169, 0.3);
    --shadow-cyber: 0 0 60px rgba(0, 242, 169, 0.4);
    
    /* Advanced Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --font-display: 'Space Grotesk', var(--font-primary);
    
    /* Advanced Spacing */
    --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;
    
    /* Advanced Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Advanced Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 242, 169, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(76, 205, 196, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 107, 107, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Advanced Container System */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container--wide {
    max-width: 1600px;
}

.container--narrow {
    max-width: 800px;
}

/* Modern Grid System */
.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

@media (max-width: 768px) {
    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }
}

/* Advanced Typography */
.text-display {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-heading {
    font-weight: 700;
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.2;
    margin-bottom: var(--space-lg);
}

.text-subheading {
    font-weight: 600;
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.text-body {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.text-caption {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

/* Advanced Button System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    z-index: 1;
}

.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: left var(--transition-slow);
    z-index: -1;
}

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

.btn--primary {
    background: var(--gradient-primary);
    color: var(--primary-bg);
    box-shadow: var(--shadow-accent);
}

.btn--primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-cyber);
}

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

.btn--outline:hover {
    background: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.btn--ghost {
    background: var(--glass-bg);
    color: var(--text-primary);
    border-color: var(--glass-border);
    backdrop-filter: blur(20px);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn--large {
    padding: var(--space-lg) var(--space-2xl);
    font-size: 1.125rem;
}

.btn--small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
}

/* Advanced Card System */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, var(--accent-primary), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    animation: cardRotate 4s linear infinite;
    z-index: -1;
}

.card:hover::before {
    opacity: 0.3;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-cyber);
}

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

.card--highlight {
    background: linear-gradient(135deg, rgba(0, 242, 169, 0.1), rgba(76, 205, 196, 0.1));
    border-color: var(--accent-primary);
}

.card--minimal {
    background: rgba(18, 18, 18, 0.8);
    border-color: rgba(255, 255, 255, 0.05);
}

/* Advanced Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-medium);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    padding: 0 var(--space-lg);
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

.nav__logo {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.nav__logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 20px var(--accent-primary));
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav__list {
    display: flex;
    list-style: none;
    gap: var(--space-2xl);
}

.nav__link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    padding: var(--space-sm) 0;
}

.nav__link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.nav__link:hover,
.nav__link.active {
    color: var(--accent-primary);
}

.nav__link:hover::before,
.nav__link.active::before {
    width: 100%;
}

/* Advanced Mobile Navigation */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    z-index: 1001;
}

.nav__toggle span {
    width: 24px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right var(--transition-normal);
    }
    
    .nav__menu.active {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        gap: var(--space-xl);
        text-align: center;
    }
    
    .nav__link {
        font-size: 1.25rem;
    }
    
    .nav__toggle {
        display: flex;
    }
}

/* Advanced Section Styles */
.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section--hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 var(--space-4xl);
}

.section--alt {
    background: rgba(18, 18, 18, 0.5);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

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

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

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

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

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

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

@keyframes glow {
    0%, 100% { 
        filter: drop-shadow(0 0 20px var(--accent-primary));
    }
    50% { 
        filter: drop-shadow(0 0 40px var(--accent-primary));
    }
}

/* Animation Classes */
.animate-fade-in-up {
    animation: fadeInUp 0.8s var(--transition-normal) forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s var(--transition-normal) forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s var(--transition-normal) forwards;
}

.animate-scale-in {
    animation: scaleIn 0.8s var(--transition-bounce) forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Delay Classes */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* Service Cards Enhancement */
.card-icon {
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-bg);
    transition: all var(--transition-normal);
}

.card:hover .icon-wrapper {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-cyber);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    background: rgba(0, 242, 169, 0.1);
    border: 1px solid rgba(0, 242, 169, 0.3);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--accent-primary);
    color: var(--primary-bg);
    transform: translateY(-2px);
}

/* Enhanced Card Styles */
.card {
    position: relative;
    z-index: 1;
}

.card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent, rgba(0, 242, 169, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.card:hover::after {
    opacity: 1;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

/* Advanced Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .section--hero {
        min-height: 80vh;
        padding: 100px 0 var(--space-3xl);
    }
    
    .text-display {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .text-heading {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
    }
}

/* Performance Optimizations */
* {
    will-change: auto;
}

.animate-fade-in-up,
.animate-fade-in-left,
.animate-fade-in-right,
.animate-scale-in {
    will-change: transform, opacity;
}

.card:hover,
.btn:hover {
    will-change: transform, box-shadow;
}

/* Dark Mode Enhancements */
@media (prefers-color-scheme: dark) {
    :root {
        --glass-bg: rgba(26, 26, 26, 0.8);
        --glass-border: rgba(255, 255, 255, 0.15);
    }
}

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