/* 🎨 Ultra Modern Design System - 2026 */

:root {
    /* 🎨 Vibrant Color Palette */
    --electric-blue: #0066FF;
    --deep-blue: #0047AB;
    --neon-yellow: #FFD700;
    --sunset-orange: #FF6B35;
    --cyber-purple: #7B2CBF;
    --mint-green: #06FFA5;
    
    /* 🌑 Dark Mode Colors */
    --dark-900: #0A0E27;
    --dark-800: #141B34;
    --dark-700: #1E2749;
    --dark-600: #2D3A5F;
    
    /* 🌟 Light Mode Colors */
    --light-100: #FFFFFF;
    --light-200: #F7F9FC;
    --light-300: #E8EDF5;
    --light-400: #C9D6E8;
    
    /* 💎 Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(24px);
    
    /* 🌈 Gradients */
    --gradient-primary: linear-gradient(135deg, #0066FF 0%, #00D4FF 100%);
    --gradient-secondary: linear-gradient(135deg, #FFD700 0%, #FF6B35 100%);
    --gradient-purple: linear-gradient(135deg, #7B2CBF 0%, #C77DFF 100%);
    --gradient-mesh: 
        radial-gradient(at 0% 0%, rgba(0, 102, 255, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(123, 44, 191, 0.2) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(255, 215, 0, 0.2) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(6, 255, 165, 0.2) 0px, transparent 50%);
    
    /* 🎭 Shadows */
    --shadow-glow: 0 0 40px rgba(0, 102, 255, 0.3);
    --shadow-float: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.08);
    --shadow-hard: 0 8px 32px rgba(0, 0, 0, 0.16);
    
    /* 📐 Spacing */
    --space-unit: 8px;
    --space-xs: calc(var(--space-unit) * 1);
    --space-sm: calc(var(--space-unit) * 2);
    --space-md: calc(var(--space-unit) * 3);
    --space-lg: calc(var(--space-unit) * 4);
    --space-xl: calc(var(--space-unit) * 6);
    --space-2xl: calc(var(--space-unit) * 8);
    --space-3xl: calc(var(--space-unit) * 12);
    
    /* 🔤 Typography */
    --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    /* 🎯 Transitions */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 600ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--dark-900);
    color: var(--light-100);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* 🌟 Mesh Gradient Background */
.mesh-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-900);
    background-image: var(--gradient-mesh);
    z-index: -1;
}

/* 💎 Glassmorphism Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-slow);
}

.glass-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-float);
    border-color: rgba(255, 255, 255, 0.2);
}

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

/* 🎨 Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.gradient-text-secondary {
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* ✨ Neon Glow Effect */
.neon-text {
    color: var(--neon-yellow);
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.8),
        0 0 20px rgba(255, 215, 0, 0.6),
        0 0 30px rgba(255, 215, 0, 0.4);
    font-weight: 700;
}

/* 🔘 Ultra Modern Buttons */
.btn-ultra {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1rem;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.btn-ultra::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn-ultra:hover::before {
    width: 300px;
    height: 300px;
}

.btn-ultra span {
    position: relative;
    z-index: 1;
}

.btn-primary-ultra {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
}

.btn-primary-ultra:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.6);
}

.btn-secondary-ultra {
    background: var(--gradient-secondary);
    color: var(--dark-900);
    box-shadow: 0 8px 24px rgba(255, 215, 0, 0.4);
}

.btn-secondary-ultra:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(255, 215, 0, 0.6);
}

.btn-ghost-ultra {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost-ultra:hover {
    border-color: var(--electric-blue);
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
}

/* 🎭 Navigation */
.nav-ultra {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    background: rgba(10, 14, 39, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.nav-ultra.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

/* 🌊 Animated Background Particles */
@keyframes float-particle {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, -20px) rotate(90deg); }
    50% { transform: translate(40px, 0) rotate(180deg); }
    75% { transform: translate(20px, 20px) rotate(270deg); }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--electric-blue);
    border-radius: 50%;
    animation: float-particle 20s infinite;
    opacity: 0.3;
}

/* 🎪 Hero Section */
.hero-ultra {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-3xl) 0;
}

.hero-ultra::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 102, 255, 0.2) 0%, transparent 70%);
    filter: blur(80px);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

/* 📦 Feature Cards */
.feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: var(--space-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 102, 255, 0.5);
    box-shadow: 0 20px 60px rgba(0, 102, 255, 0.2);
}

.feature-card:hover::after {
    transform: scaleX(1);
}

/* 🎯 Icon Boxes */
.icon-box {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: var(--gradient-primary);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
    font-size: 2rem;
    color: white;
    margin-bottom: var(--space-lg);
    transition: all var(--transition-bounce);
}

.feature-card:hover .icon-box {
    transform: rotateY(360deg) scale(1.1);
}

/* 📱 Responsive Typography */
.display-1 {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.display-2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
}

.lead-text {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

/* ⚡ Animations */
@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

@keyframes rotate-in {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

.animate-fade-in-up {
    animation: fade-in-up 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-fade-in-down {
    animation: fade-in-down 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-scale-in {
    animation: scale-in 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-rotate-in {
    animation: rotate-in 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55) forwards;
}

/* 🎨 Utility Classes */
.container-ultra {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-ultra {
    padding: var(--space-3xl) 0;
    position: relative;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.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); }

.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); }

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* 📱 Responsive Grid */
.grid-ultra {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* 🌈 Badge */
.badge-ultra {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.badge-glow {
    box-shadow: 0 0 20px rgba(0, 102, 255, 0.5);
}

/* 🎯 Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-800);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--electric-blue);
}

/* ✨ Selection */
::selection {
    background: var(--electric-blue);
    color: white;
}

::-moz-selection {
    background: var(--electric-blue);
    color: white;
}