/* ============================================================
   IC7 Game — Design Tokens
   Premium esports-lounge aesthetic: glowing embers on black glass.
   ============================================================ */

:root {
  /* --- Colors --- */
  --color-bg:             #0A0A0C;
  --color-bg-alt:         #120608;
  --color-surface:        #171012;
  --color-surface-2:      #1F1416;
  --color-accent:         #E10600;
  --color-accent-2:       #FF3B30;
  --color-accent-dim:     #8C0500;
  --color-gold-hint:      #FFB020;
  --color-text-primary:   #F5F1F1;
  --color-text-secondary: #B8A8A8;
  --color-text-muted:     #6E5A5A;
  --color-border:         #2A1618;
  --color-success:        #22C55E;
  --color-error:          #FF4444;

  /* --- Typography --- */
  --font-display: 'Orbitron', 'Rajdhani', 'Segoe UI', sans-serif;
  --font-body:    'Inter', 'DM Sans', 'Segoe UI', system-ui, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.0625rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  1.875rem;
  --fs-3xl:  2.25rem;
  --fs-4xl:  3rem;
  --fs-5xl:  3.75rem;

  --lh-tight: 1.15;
  --lh-snug:  1.35;
  --lh-body:  1.75;

  /* --- Shadows / Glow --- */
  --shadow-card:        0 4px 20px rgba(0, 0, 0, 0.5);
  --shadow-card-hover:  0 14px 40px rgba(0, 0, 0, 0.65);
  --shadow-glow:        0 0 24px rgba(225, 6, 0, 0.35);
  --shadow-glow-strong: 0 0 48px rgba(255, 59, 48, 0.55);
  --shadow-inset-top:   inset 0 1px 0 rgba(255, 255, 255, 0.06);

  /* --- Radii --- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --radius-pill: 999px;

  /* --- Motion --- */
  --transition-fast:   140ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   480ms cubic-bezier(0.22, 1, 0.36, 1);

  /* --- Layout --- */
  --container:      1240px;
  --container-narrow: 860px;
  --gutter:         1.25rem;
  --header-h:       76px;
  --header-h-condensed: 60px;

  /* --- Spacing scale --- */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --sp-10: 8rem;

  /* --- Signature gradients --- */
  --grad-ember:   linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-2) 55%, #FF7A45 100%);
  --grad-slash:   linear-gradient(115deg, rgba(225, 6, 0, 0.18) 0%, rgba(225, 6, 0, 0) 62%);
  --grad-surface: linear-gradient(160deg, var(--color-surface-2) 0%, var(--color-surface) 100%);
  --grad-text:    linear-gradient(100deg, #FFFFFF 0%, #FFD9D6 40%, var(--color-accent-2) 100%);
  --grad-hairline: linear-gradient(90deg, transparent, var(--color-accent), transparent);

  --z-header: 100;
  --z-nav:    200;
  --z-modal:  300;
}

@media (min-width: 768px) {
  :root {
    --gutter: 2rem;
    --fs-4xl: 3.5rem;
    --fs-5xl: 4.5rem;
  }
}

@media (min-width: 1200px) {
  :root {
    --gutter: 2.5rem;
    --fs-5xl: 5rem;
  }
}