/* ============================================================
   Rêverie — Spacing, radius, shadow, layout tokens
   The identity is flat: "no hay sombras, reflejos brillantes,
   ni efectos gráficos." Elevation is expressed with hairline
   borders and color, not drop shadows. Radii are minimal —
   the marks are sharp serifs and clean geometry.
   ============================================================ */
:root {
  /* ---- Spacing scale (4px base) ---- */
  --space-0:  0;
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;
  --space-32: 128px;

  /* ---- Radius (kept tight; the brand reads sharp, not soft) ---- */
  --radius-none: 0;
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-pill: 999px;   /* used only for tags/chips */

  /* ---- Borders ---- */
  --border-width: 1px;
  --border-width-strong: 1.5px;

  /* ---- "Shadows": intentionally none. Use borders for separation. ---- */
  --shadow-none: none;
  /* The single permissible elevation — a barely-there lift for
     overlays (menus, dialogs) on light surfaces only. */
  --shadow-overlay: 0 12px 40px -16px rgba(29, 36, 33, 0.25);

  /* ---- Layout ---- */
  --container-sm: 640px;
  --container-md: 880px;
  --container-lg: 1120px;
  --container-xl: 1320px;
  --page-gutter: clamp(20px, 5vw, 80px); /* @kind spacing */

  /* ---- Motion (calm, no bounce) ---- */
  --ease-standard: cubic-bezier(0.22, 0.61, 0.36, 1); /* @kind other */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1); /* @kind other */
  --duration-fast: 140ms; /* @kind other */
  --duration-base: 240ms; /* @kind other */
  --duration-slow: 480ms; /* @kind other */
}