/* =============================================
   variables.css — Design Tokens
   ============================================= */

:root {
    /* ---- Color Palette ---- */
    --color-bg: #0a0a0c;
    --color-bg-alt: #0f0f12;
    --color-surface: #131318;
    --color-surface-2: #1a1a22;
    --color-border: #1e1e28;
    --color-border-hover: #2a2a38;

    --color-blue: #3b82f6;
    --color-blue-dim: #1d4ed8;
    --color-blue-glow: rgba(59, 130, 246, 0.12);
    --color-blue-subtle: rgba(59, 130, 246, 0.06);

    --color-text: #e8e8f0;
    --color-text-muted: #8888a0;
    --color-text-dim: #555568;

    --color-success: #22c55e;
    --color-error: #ef4444;

    /* ---- Typography ---- */
    --font-sans: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

    --text-xs: 0.75rem;
    /* 12px */
    --text-sm: 0.875rem;
    /* 14px */
    --text-base: 1rem;
    /* 16px */
    --text-lg: 1.125rem;
    /* 18px */
    --text-xl: 1.25rem;
    /* 20px */
    --text-2xl: 1.5rem;
    /* 24px */
    --text-3xl: 1.875rem;
    /* 30px */
    --text-4xl: 2.25rem;
    /* 36px */
    --text-5xl: 3rem;
    /* 48px */
    --text-6xl: 3.75rem;
    /* 60px */
    --text-8xl: 6rem;
    /* 96px */

    /* ---- Spacing ---- */
    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-5: 1.25rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;

    /* ---- Borders & Radius ---- */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* ---- Transitions ---- */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* ---- Shadows ---- */
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-blue: 0 0 20px rgba(59, 130, 246, 0.15);

    /* ---- Layout ---- */
    --navbar-height: 64px;
    --container-max: 1100px;
    --container-pad: clamp(var(--sp-4), 5vw, var(--sp-8));
}