/* ==========================================================================
   DESIGN SYSTEM - VARIABLES & TOKENS (BIOSCHEMATICS)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Color Palette */
    --bg-darker: #0b0f19;       /* Deepest space background */
    --bg-dark: #111827;         /* Primary container background */
    --bg-card: rgba(17, 24, 39, 0.7); /* Semitransparent background for Glassmorphism */
    --bg-card-hover: rgba(30, 41, 59, 0.85);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(14, 165, 233, 0.4);
    
    /* Brand Accents */
    --primary: #0ea5e9;         /* Electric Cyan */
    --primary-hover: #0284c7;   
    --secondary: #ff4747;       /* AliExpress Orange/Red */
    --secondary-hover: #e02f2f;
    --accent: #10b981;          /* Eco Green for Price Discounts/In Stock */
    --accent-hover: #059669;
    
    /* Text Colors */
    --text-primary: #f8fafc;    /* High contrast text */
    --text-secondary: #94a3b8;  /* Medium contrast text */
    --text-muted: #64748b;      /* Low contrast text/placeholders */
    
    /* Layout & Styling */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
    --shadow-neon: 0 0 20px rgba(14, 165, 233, 0.15);
    --shadow-neon-red: 0 0 20px rgba(255, 71, 71, 0.15);
    
    /* Glassmorphism Blur */
    --glass-blur: blur(12px);
    --glass-background: rgba(15, 23, 42, 0.65);
    --glass-border: 1px solid rgba(255, 255, 255, 0.08);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets & font application */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-darker);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-weight: 600;
}