:root {
    /* === Background Colors === */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(22, 22, 35, 0.85);
    --bg-card-hover: rgba(30, 30, 50, 0.95);
    --bg-glass: rgba(18, 18, 26, 0.6);
    --bg-input: rgba(26, 26, 46, 0.8);
    --bg-navbar: rgba(10, 10, 15, 0.9);

    /* === Text Colors === */
    --text-primary: #e8e8f0;
    --text-secondary: #a0a0b8;
    --text-muted: #6a6a80;
    --text-accent: #00f0ff;

    /* === Accent Colors === */
    --accent-cyan: #00f0ff;
    --accent-magenta: #ff00aa;
    --accent-purple: #7b2fff;
    --accent-orange: #ff6b35;
    --accent-green: #00ff88;
    --accent-yellow: #ffd600;

    /* === Accent Gradients === */
    --gradient-cyan: linear-gradient(135deg, #00f0ff, #0080ff);
    --gradient-magenta: linear-gradient(135deg, #ff00aa, #ff4488);
    --gradient-purple: linear-gradient(135deg, #7b2fff, #b366ff);
    --gradient-orange: linear-gradient(135deg, #ff6b35, #ff9a56);
    --gradient-green: linear-gradient(135deg, #00ff88, #00cc66);
    --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #12121a 100%);
    --gradient-card: linear-gradient(145deg, rgba(22,22,35,0.9), rgba(12,12,20,0.95));

    /* === Glow Effects === */
    --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3), 0 0 40px rgba(0, 240, 255, 0.1);
    --glow-magenta: 0 0 20px rgba(255, 0, 170, 0.3), 0 0 40px rgba(255, 0, 170, 0.1);
    --glow-purple: 0 0 20px rgba(123, 47, 255, 0.3), 0 0 40px rgba(123, 47, 255, 0.1);
    --glow-orange: 0 0 20px rgba(255, 107, 53, 0.3), 0 0 40px rgba(255, 107, 53, 0.1);
    --glow-green: 0 0 20px rgba(0, 255, 136, 0.3), 0 0 40px rgba(0, 255, 136, 0.1);

    /* === Typography === */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --fs-hero: clamp(2rem, 5vw, 3.5rem);
    --fs-h1: clamp(1.5rem, 3vw, 2.2rem);
    --fs-h2: clamp(1.2rem, 2.5vw, 1.6rem);
    --fs-h3: clamp(1rem, 2vw, 1.2rem);
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    --fs-xs: 0.75rem;

    /* === Spacing === */
    --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 === */
    --border-color: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(0, 240, 255, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* === Transitions === */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* === Glass === */
    --glass-bg: rgba(18, 18, 26, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: blur(16px);

    /* === Layout === */
    --navbar-height: 70px;
    --max-width: 1280px;
    --sidebar-width: 340px;
}