:root {
    /* Brand Colors */
    --color-white: #ffffff;
    --color-black: #212121;
    --color-red: #b71c1c;
    --color-red-hover: #d32f2f;
    --color-red-dark: #7f0000;

    /* Neutral Palette */
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #eeeeee;
    --color-gray-300: #e0e0e0;
    --color-gray-400: #bdbdbd;
    --color-gray-500: #9e9e9e;
    --color-gray-600: #757575;
    --color-gray-700: #616161;
    --color-gray-800: #424242;
    --color-gray-900: #212121;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-light: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.15);
    --glass-border-light: rgba(0, 0, 0, 0.08);
    --glass-blur: blur(20px);
    --glass-blur-heavy: blur(40px);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
    --shadow-red: 0 8px 32px rgba(183, 28, 28, 0.25);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.06);

    /* Gradients */
    --gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    --gradient-dark-subtle: linear-gradient(180deg, #212121 0%, #2c2c2c 100%);
    --gradient-red: linear-gradient(135deg, #b71c1c 0%, #d32f2f 100%);
    --gradient-red-soft: linear-gradient(135deg, rgba(183, 28, 28, 0.1) 0%, rgba(211, 47, 47, 0.05) 100%);
    --gradient-hero: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 40%, #212121 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 50%, rgba(183, 28, 28, 0.08) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 20%, rgba(183, 28, 28, 0.05) 0%, transparent 50%),
                     radial-gradient(ellipse at 50% 80%, rgba(255, 255, 255, 0.02) 0%, transparent 50%);

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 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;
    --font-size-hero: clamp(2.5rem, 5vw, 4.5rem);

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;

    /* 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;
    --space-32: 8rem;
    --space-section: clamp(4rem, 8vw, 7.5rem);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Layout */
    --container-max: 1200px;
    --container-wide: 1400px;
    --navbar-height: 72px;

    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-navbar: 1000;
    --z-drawer: 1100;
    --z-overlay: 1200;
    --z-modal: 1300;
}