/* Modern Design System - Inspired by Stripe, Linear, and contemporary design */
:root {
    /* Color System */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-overlay: rgba(0, 0, 0, 0.8);
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    
    --color-accent-primary: #3b82f6;
    --color-accent-secondary: #6366f1;
    --color-accent-tertiary: #8b5cf6;
    
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-hover: rgba(255, 255, 255, 0.2);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --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);
    
    /* Transitions */
    --transition-fast: 150ms ease-out;
    --transition-normal: 250ms ease-out;
    --transition-slow: 350ms ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    overflow-x: hidden;
    position: relative;
    background: #000011; /* Deep space background */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Cosmic Background */
#cosmic-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

#starfield-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.cosmic-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, transparent 0%, rgba(0, 0, 17, 0.3) 100%);
    pointer-events: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 20%, rgba(100, 150, 255, 0.1) 0%, transparent 70%), 
                radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 8rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 20px rgba(100, 150, 255, 0.5);
}

.hero-title span {
    display: inline-block;
    transition: all 0.05s ease;
}

.hero-title span.space {
    margin-right: 0.2em;
    min-width: 0.2em;
}

.hero-title span.glitching {
    animation: glitchEffect 0.1s ease-in-out;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 300;
    margin-bottom: 1rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 400;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes titlePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

@keyframes glitchEffect {
    0% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    50% { transform: translateX(2px); }
    75% { transform: translateX(-1px); }
    100% { transform: translateX(0); }
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(100, 150, 255, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(100, 150, 255, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
}