:root {
    /* Colors */
    --primary: #4a90e2;
    --primary-dim: #3a7bc8;
    --primary-dark: #2968a3;
    --secondary: #64b5f6;
    --accent: #7986cb;

    /* Backgrounds */
    --bg-primary: #0a0f1c;
    --bg-secondary: #111827;
    --bg-tertiary: #1a2332;
    --bg-card: rgba(26, 35, 50, 0.6);
    --bg-terminal: rgba(17, 24, 39, 0.95);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a8a8aa;
    --text-dim: #666668;

    /* Borders & Shadows */
    --border-color: #2a2a3e;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 65, 0.2);

    /* Layout */
    --header-height: 110px;
    --container-width: 1300px;

    /* Spacing */
    --spacing-xs: 0.8rem;
    --spacing-sm: 1.4rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 5.6rem;
    --spacing-xl: 8.4rem;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}