/* === MODERN MINIMAL DESIGN SYSTEM === */

/* CSS Variables */
:root {
    /* Colors - Ultra minimal palette */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #181818;
    
    /* Surface colors with subtle transparency */
    --surface-glass: rgba(255, 255, 255, 0.02);
    --surface-glass-hover: rgba(255, 255, 255, 0.04);
    --surface-elevated: rgba(255, 255, 255, 0.03);
    
    /* Borders - Very subtle */
    --border-glass: rgba(255, 255, 255, 0.06);
    --border-subtle: rgba(255, 255, 255, 0.04);
    --border-focus: rgba(0, 220, 130, 0.5);
    
    /* Text hierarchy */
    --text-primary: rgba(255, 255, 255, 0.95);
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --text-muted: rgba(255, 255, 255, 0.25);
    
    /* Accent colors - Futuristic green */
    --accent-primary: #00DC82;
    --accent-hover: #00F590;
    --accent-glow: rgba(0, 220, 130, 0.4);
    --accent-subtle: rgba(0, 220, 130, 0.1);
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace;
    
    /* Font sizes - Refined scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3rem;
    --text-6xl: 4rem;
    
    /* Font weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Spacing scale */
    --space-px: 1px;
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows - Very subtle */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index scale */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

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

* {
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-semibold);
    line-height: 1.25;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 { font-size: var(--text-5xl); font-weight: var(--font-bold); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--text-secondary);
    line-height: 1.7;
}

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

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

/* Gradient text utility */
.gradient-text {
    color: var(--text-primary);
}

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

.text-tertiary {
    color: var(--text-tertiary);
}

/* Noise overlay for texture */
.noise-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.015;
    z-index: 1;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
}

/* Grid background pattern */
.grid-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.03;
    pointer-events: none;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Glass morphism */
.glass {
    background: var(--surface-glass);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid var(--border-glass);
}

/* Buttons - Modern minimal style */
.btn-primary {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--bg-primary);
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    box-sizing: border-box;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    color: var(--bg-primary); /* Ensure text stays dark */
    box-shadow: 0 4px 20px rgba(0, 220, 130, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
    /* Prevent any scaling or size changes on click */
    transform-origin: center;
}

.btn-primary span {
    position: relative;
    z-index: 1;
    color: inherit; /* Inherit from parent */
}

.btn-primary .btn-glow {
    position: absolute;
    inset: -20px;
    background: var(--accent-glow);
    filter: blur(20px);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: 0;
}

.btn-primary:hover .btn-glow {
    opacity: 0.4;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-secondary:hover {
    color: var(--text-primary);
    background: var(--surface-glass-hover);
    border-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    position: relative;
    z-index: 2;
}

/* Section spacing */
section {
    padding: var(--space-24) 0;
    position: relative;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

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

/* Utility classes */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Responsive utilities */
@media (max-width: 768px) {
    :root {
        --text-5xl: 2.5rem;
        --text-4xl: 2rem;
        --text-3xl: 1.5rem;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
    
    section {
        padding: var(--space-16) 0;
    }
}

/* Focus states */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--border-focus);
    outline-offset: 2px;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--surface-elevated);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-glass);
} 

/* === PREMIUM ENHANCEMENTS === */

/* Smooth scroll behavior */
html {
    scroll-behavior: smooth;
}

/* Enhanced animations */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes glow-pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* Premium hover effects */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Text shadow for depth */
.text-shadow {
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

/* Gradient overlays */
.gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 220, 130, 0.1) 0%,
        transparent 50%,
        rgba(0, 220, 130, 0.05) 100%
    );
    pointer-events: none;
}

/* Enhanced glass effect */
.glass-premium {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.03) 0%,
        rgba(255, 255, 255, 0.01) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 
        inset 0 1px 0 0 rgba(255, 255, 255, 0.05),
        0 20px 40px -20px rgba(0, 0, 0, 0.5);
}

/* Light leak effect */
.light-leak {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 20% 50%,
        rgba(0, 220, 130, 0.05) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: 1;
    animation: light-drift 20s ease-in-out infinite;
}

@keyframes light-drift {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(50px, -50px); }
    66% { transform: translate(-50px, 50px); }
}

/* Improved typography */
.display-text {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: var(--font-bold);
    line-height: 1;
    letter-spacing: -0.04em;
}

/* Better focus styles */
*:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}