/* Critical CSS - Above the fold styles */

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

:root {
    /* Color Palette */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
    
    /* Colors */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #00d4aa;
    --warning-color: #ffb800;
    --error-color: #ff4757;
    
    /* Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    
    --text-primary: #ffffff;
    --text-secondary: #b3b3b3;
    --text-tertiary: #666666;
    --text-accent: #667eea;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --border-hover: rgba(255, 255, 255, 0.2);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --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;
    
    /* 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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(102, 126, 234, 0.3);
    --shadow-glow-lg: 0 0 40px rgba(102, 126, 234, 0.4);
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
    
    /* Z-index */
    --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;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #e9ecef;
    --bg-glass: rgba(0, 0, 0, 0.05);
    --bg-glass-hover: rgba(0, 0, 0, 0.1);
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --text-tertiary: #9a9a9a;
    --text-accent: #667eea;
    
    --border-color: rgba(0, 0, 0, 0.1);
    --border-hover: rgba(0, 0, 0, 0.2);
}

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

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

/* Loading State */
body.loading {
    overflow: hidden;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-container {
    text-align: center;
}

.loading-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
}

.loading-svg {
    width: 100%;
    height: 100%;
    animation: rotate 2s linear infinite;
}

.loading-circle {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    animation: loading-circle 1.5s ease-in-out infinite;
}

.loading-path {
    fill: var(--primary-color);
    opacity: 0.8;
    animation: pulse 2s ease-in-out infinite;
}

.loading-text {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.loading-letter {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    animation: loading-letter 1.5s ease-in-out infinite;
}

.loading-letter:nth-child(1) { animation-delay: 0s; }
.loading-letter:nth-child(2) { animation-delay: 0.1s; }
.loading-letter:nth-child(3) { animation-delay: 0.2s; }
.loading-letter:nth-child(4) { animation-delay: 0.3s; }
.loading-letter:nth-child(5) { animation-delay: 0.4s; }
.loading-letter:nth-child(6) { animation-delay: 0.5s; }
.loading-letter:nth-child(7) { animation-delay: 0.6s; }

.loading-progress {
    width: 200px;
    height: 2px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: 0 auto;
}

.loading-bar {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    animation: loading-progress 2s ease-in-out infinite;
}

/* Animations */
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes loading-circle {
    0% { stroke-dashoffset: 283; }
    50% { stroke-dashoffset: 70; }
    100% { stroke-dashoffset: 283; }
}

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

@keyframes loading-letter {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(-10px); opacity: 0.7; }
}

@keyframes loading-progress {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0); }
    100% { transform: translateX(100%); }
}

/* Custom Cursor */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9998;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease-out;
}

.cursor-outline {
    position: absolute;
    top: 0;
    left: 0;
    width: 32px;
    height: 32px;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease-out;
    opacity: 0.5;
}

@media (max-width: 768px) {
    .cursor {
        display: none;
    }
}

/* Particles Container */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.6;
}