/* Futuristic 2025 Theme - Cutting Edge Design */

/* CSS Variables for 2025 Aesthetic */
:root {
    /* 2025 Color Palette - Cyber/AI Inspired */
    --cyber-primary: #00d4ff;          /* Electric cyan */
    --cyber-secondary: #ff0080;        /* Hot pink */
    --cyber-accent: #39ff14;           /* Neon green */
    --cyber-purple: #8b5cf6;           /* Electric purple */
    --cyber-orange: #ff6b35;           /* Cyber orange */
    
    /* Dark Mode First - 2025 Standard */
    --bg-primary: #0a0a0f;             /* Deep space black */
    --bg-secondary: #111118;           /* Dark slate */
    --bg-tertiary: #1a1a24;            /* Elevated dark */
    --bg-card: #151521;                /* Card background */
    --bg-glass: rgba(21, 21, 33, 0.6); /* Glassmorphism */
    --bg-glow: rgba(0, 212, 255, 0.05); /* Subtle glow */
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b4b4c7;
    --text-muted: #7a7a8a;
    --text-accent: var(--cyber-primary);
    --text-neon: var(--cyber-accent);
    
    /* Border & Glass Effects */
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(0, 212, 255, 0.3);
    --border-neon: rgba(57, 255, 20, 0.5);
    
    /* 2025 Shadows & Glows */
    --shadow-cyber: 0 0 20px rgba(0, 212, 255, 0.2);
    --shadow-neon: 0 0 30px rgba(57, 255, 20, 0.3);
    --shadow-purple: 0 0 25px rgba(139, 92, 246, 0.2);
    --shadow-depth: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    /* Advanced Typography - 2025 Fonts */
    --font-primary: 'Inter Variable', 'SF Pro Display', -apple-system, system-ui, sans-serif;
    --font-code: 'JetBrains Mono Variable', 'SF Mono', 'Fira Code', monospace;
    --font-display: 'Inter Variable', 'Helvetica Neue', sans-serif;
    
    /* Spacing System */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius - Organic 2025 Style */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-organic: 20px 8px 16px 12px;
    
    /* 2025 Transitions */
    --transition-fast: 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bouncy: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-tooltip: 1000;
    --z-dropdown: 1010;
    --z-modal: 1020;
    --z-notification: 1030;
}

/* Reset with Modern Approach */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-family: var(--font-primary);
    line-height: 1.6;
    scroll-behavior: smooth;
    font-feature-settings: 'cv01', 'cv02', 'cv03', 'cv04';
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    
    /* Animated background gradient */
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        #0d0d16 25%, 
        var(--bg-secondary) 50%,
        #0a0a0f 75%,
        var(--bg-primary) 100%
    );
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Advanced Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

h1 { 
    font-size: clamp(2.5rem, 5vw, 4rem);
    background: linear-gradient(135deg, var(--cyber-primary), var(--cyber-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 20px rgba(0, 212, 255, 0.3));
}

h2 { 
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--text-primary);
}

h3 { 
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-primary);
}

p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

/* Container System */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* 2025 Header with AI Aesthetics */
.header {
    position: relative;
    padding: var(--space-2xl) 0;
    margin-bottom: var(--space-2xl);
    
    /* Glassmorphism effect */
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    
    /* Subtle glow */
    box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.1),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--cyber-primary) 20%, 
        var(--cyber-secondary) 50%, 
        var(--cyber-primary) 80%, 
        transparent 100%
    );
    animation: pulse 3s ease-in-out infinite;
}

.header-content {
    text-align: center;
    position: relative;
}

.header h1 {
    margin-bottom: var(--space-sm);
    position: relative;
}

.header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-weight: 400;
}

/* Futuristic Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-lg);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    
    /* Base glassmorphism */
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
    
    /* Subtle inner glow */
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.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 0.5s ease;
}

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

.btn:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-cyber);
}

.btn-primary {
    background: linear-gradient(135deg, 
        rgba(0, 212, 255, 0.2) 0%, 
        rgba(139, 92, 246, 0.2) 100%
    );
    border-color: var(--cyber-primary);
    color: var(--cyber-primary);
}

.btn-primary:hover {
    background: linear-gradient(135deg, 
        rgba(0, 212, 255, 0.3) 0%, 
        rgba(139, 92, 246, 0.3) 100%
    );
    box-shadow: var(--shadow-cyber);
    color: #ffffff;
}

.btn-success {
    background: linear-gradient(135deg, 
        rgba(57, 255, 20, 0.2) 0%, 
        rgba(0, 212, 255, 0.2) 100%
    );
    border-color: var(--cyber-accent);
    color: var(--cyber-accent);
}

.btn-success:hover {
    background: linear-gradient(135deg, 
        rgba(57, 255, 20, 0.3) 0%, 
        rgba(0, 212, 255, 0.3) 100%
    );
    box-shadow: var(--shadow-neon);
    color: #ffffff;
}

.btn-secondary {
    background: var(--bg-glass);
    border-color: var(--border-glass);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    border-color: var(--border-glow);
    color: var(--text-primary);
    box-shadow: var(--shadow-depth);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    align-items: center;
}

/* Futuristic Cards with AI Aesthetics */
.card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    
    /* Subtle inner glow */
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--cyber-primary) 50%, 
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.card:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-cyber);
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    
    /* Animated gradient background */
    background: linear-gradient(135deg, 
        var(--cyber-primary), 
        var(--cyber-purple)
    );
    animation: iconGlow 3s ease-in-out infinite alternate;
}

@keyframes iconGlow {
    0% { 
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
        transform: scale(1);
    }
    100% { 
        box-shadow: 0 0 30px rgba(139, 92, 246, 0.4);
        transform: scale(1.05);
    }
}

.card h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Advanced Layout System */
.section {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
    overflow: hidden;
    
    /* Depth shadow */
    box-shadow: var(--shadow-depth);
}

.section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, 
        rgba(0, 212, 255, 0.03) 0%, 
        transparent 70%
    );
    animation: sectionGlow 8s ease-in-out infinite;
}

@keyframes sectionGlow {
    0%, 100% { transform: rotate(0deg) scale(1); opacity: 0.3; }
    50% { transform: rotate(180deg) scale(1.1); opacity: 0.1; }
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    position: relative;
    z-index: 1;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

/* Grid Systems */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

/* Status Indicators */
.status-indicator {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cyber-accent);
    z-index: var(--z-notification);
    
    /* Pulsing glow effect */
    box-shadow: var(--shadow-neon);
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { 
        box-shadow: var(--shadow-neon);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 40px rgba(57, 255, 20, 0.4);
        transform: scale(1.02);
    }
}

/* Advanced Animations */
@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px);
    }
    to { 
        opacity: 1; 
        transform: translateY(0);
    }
}

/* Responsive Design - Mobile First */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .header {
        padding: var(--space-xl) 0;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .nav-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .section {
        padding: var(--space-xl);
    }
    
    .status-indicator {
        bottom: var(--space-sm);
        right: var(--space-sm);
        left: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .card {
        padding: var(--space-lg);
    }
    
    .card-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.25rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--text-accent); }
.text-neon { color: var(--text-neon); }

.bg-glass { background: var(--bg-glass); }
.border-glow { border-color: var(--border-glow); }

.cursor-pointer { cursor: pointer; }

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--cyber-primary), var(--cyber-purple));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--cyber-secondary), var(--cyber-accent));
}

/* Selection Color */
::selection {
    background: rgba(0, 212, 255, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(0, 212, 255, 0.3);
    color: white;
}

/* Focus States */
*:focus {
    outline: 2px solid var(--cyber-primary);
    outline-offset: 2px;
}

/* Loading States */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(0, 212, 255, 0.2), 
        transparent
    );
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Print Styles */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    
    .header,
    .status-indicator,
    .btn-group {
        display: none;
    }
}