/* ==========================================================================
   Burnt Out Games — Design Tokens
   The single source of truth for colour, type, space and motion.
   Documented in brand/BRAND-SYSTEM.md. Change values here, not in site.css.
   ========================================================================== */

:root {
  /* --- Brand palette (from BOG-Brand-Guide.pdf) ------------------------- */
  --fiery-red:     #E34521;
  --firewood:      #532111;
  --warm-peach:    #F9CA96;
  --golden-ember:  #F59D24;
  --burnt-orange:  #DB7727;
  --light-glow:    #FEF5EB;
  --white:         #FFFFFF;
  --black:         #000000;

  /* --- Derived, for screen contrast (see BRAND-SYSTEM.md §1) ------------ */
  --red-deep:      #B53417;  /* buttons on light. white on it: 6.05:1        */
  --red-900:       #912A12;  /* links on Warm Peach: 5.47:1                  */
  --red-800:       #8E2A12;  /* button hover fill. white on it: 8.43:1       */
  --red-bright:    #E8674A;  /* links + accent text on dark. on ink: 5.86:1  */
  --ink:           #1A0D07;  /* darkest surface. Warm Peach on it: 12.60:1   */
  --ash:           #2B1710;  /* raised dark surface                          */
  --ash-hi:        #3A2118;  /* dark surface borders                         */
  --peach-dim:     #D9A97C;  /* muted text on ink: 8.6:1                     */
  --firewood-dim:  #7A4A33;  /* muted text on Warm Peach: 4.87:1             */
  --peach-line:    #C99264;  /* borders on a Warm Peach surface              */

  /* --- Surfaces ----------------------------------------------------------
     The page alternates between three real brand colours. There is no
     near-white page background: Light Glow is a text and accent colour now,
     not a surface, which is what the brand guide's tier list actually says.
     --------------------------------------------------------------------- */
  --bg-ink:        var(--ink);
  --bg-firewood:   var(--firewood);
  --bg-peach:      var(--warm-peach);

  --text-on-ink:      var(--warm-peach);
  --text-on-firewood: var(--warm-peach);
  --text-on-peach:    var(--firewood);

  --accent:        var(--fiery-red);

  /* --- Type -------------------------------------------------------------- */
  /* Nexa Rust Slab is licensed. Alfa Slab One stands in. See BRAND-SYSTEM §2. */
  --font-display: 'Alfa Slab One', 'Nexa Rust Slab', Rockwell, Georgia, serif;
  --font-body:    'Roboto', system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-label:   'Roboto Condensed', 'Roboto', system-ui, sans-serif;

  /* Display sizes came down after review: game-page headings were enormous. */
  --fs-display: clamp(2.5rem, 1.45rem + 5.2vw, 5rem);
  --fs-h1:      clamp(1.95rem, 1.35rem + 3.0vw, 3.25rem);
  --fs-h2:      clamp(1.55rem, 1.25rem + 1.5vw, 2.25rem);
  --fs-h3:      clamp(1.2rem, 1.10rem + 0.5vw, 1.45rem);
  --fs-lead:    clamp(1.0625rem, 1.0rem + 0.35vw, 1.25rem);
  --fs-body:    clamp(1rem, 0.98rem + 0.10vw, 1.0625rem);
  --fs-small:   clamp(0.875rem, 0.86rem + 0.08vw, 0.9375rem);
  --fs-label:   clamp(0.75rem, 0.73rem + 0.10vw, 0.8125rem);

  --lh-display: 0.98;
  --lh-heading: 1.12;
  --lh-body:    1.65;

  --measure: 66ch;

  /* --- Space (8px base) --------------------------------------------------- */
  --s-1: 0.25rem;  --s-2: 0.5rem;   --s-3: 0.75rem;  --s-4: 1rem;
  --s-5: 1.5rem;   --s-6: 2rem;     --s-7: 3rem;     --s-8: 4rem;
  --s-9: 6rem;     --s-10: 8rem;

  --gutter:      clamp(1.25rem, 5vw, 4rem);
  --section-pad: clamp(3.5rem, 8vw, 7rem);
  --max-width:   1240px;

  /* --- Patterns -----------------------------------------------------------
     One fixed motif height everywhere, so a pattern is the same size whether
     it sits in a tall divider or a thin seam. Scaling the motif with the strip
     height was the inconsistency: short bands rendered a tiny, noisy pattern.
     --------------------------------------------------------------------- */
  --pattern-motif: 90px;
  --band-h:        clamp(3.25rem, 5vw, 4.5rem);
  --seam-h:        14px;

  /* --- Radius ------------------------------------------------------------- */
  --r-sm:   4px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-pill: 999px;

  /* --- Motion ------------------------------------------------------------- */
  --ease:      cubic-bezier(0.2, 0, 0, 1);
  --dur-fast:  120ms;
  --dur:       160ms;
  --dur-slow:  240ms;
  --hero-scroll: 48s;

  /* --- Elevation ---------------------------------------------------------- */
  --shadow-card: 0 2px 4px rgba(10, 5, 2, 0.14), 0 12px 28px rgba(10, 5, 2, 0.18);
  --shadow-card-hover: 0 4px 10px rgba(10, 5, 2, 0.20), 0 22px 46px rgba(10, 5, 2, 0.28);

  /* --- Layers -------------------------------------------------------------- */
  --z-pattern: 0;
  --z-content: 1;
  --z-header:  100;
  --z-menu:    200;
  --z-skip:    300;
}
