/* ============================================================
   Yūgen — Typography
   Display: Shippori Mincho B1 (serif/mincho) — headlines, quotes
   UI/body: Zen Kaku Gothic New (sans)        — everything legible
   Mono:    DM Mono                           — labels, meta, code

   Scale is calm and editorial: generous line-height on body,
   tight on display, with a touch of negative tracking on large type.
   ============================================================ */
:root {
  /* --- Families --- */
  --font-display: 'Shippori Mincho B1', 'Noto Serif JP', Georgia, serif;
  --font-sans: 'Zen Kaku Gothic New', 'Noto Sans JP', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'DM Mono', 'SFMono-Regular', ui-monospace, 'Menlo', monospace;
  /* Japanese accent text uses the display mincho for vertical/kanji set */
  --font-jp: 'Shippori Mincho B1', 'Noto Serif JP', serif;

  /* --- Weights --- */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-black: 900;

  /* --- Type scale (px) — major-third-ish, editorial --- */
  --text-3xs: 0.6875rem;  /* 11 — micro labels */
  --text-2xs: 0.75rem;    /* 12 — eyebrow / meta */
  --text-xs:  0.8125rem;  /* 13 */
  --text-sm:  0.875rem;   /* 14 */
  --text-base:1rem;       /* 16 — body */
  --text-md:  1.125rem;   /* 18 — lead body */
  --text-lg:  1.375rem;   /* 22 */
  --text-xl:  1.75rem;    /* 28 */
  --text-2xl: 2.25rem;    /* 36 */
  --text-3xl: 3rem;       /* 48 */
  --text-4xl: 4rem;       /* 64 */
  --text-5xl: 5.5rem;     /* 88 — hero display */
  --text-6xl: 7.5rem;     /* 120 */

  /* --- Line heights --- */
  --leading-tight: 1.08;
  --leading-snug: 1.22;
  --leading-normal: 1.5;
  --leading-relaxed: 1.72;

  /* --- Letter spacing --- */
  --tracking-tight: -0.02em;
  --tracking-snug: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.04em;
  --tracking-eyebrow: 0.22em;  /* uppercased meta labels */
}