/* Hallmark · design-system: design.md · genre: modern-minimal · theme: custom (tuned)
 * vibe: "precision instrument, institutional navy, teal as signal"
 * paper: oklch(98.6% 0.005 215) · ink: oklch(23.3% 0.072 264) · accent: oklch(53.2% 0.088 194)
 * display: Space Grotesk · body: IBM Plex Sans · mono: IBM Plex Mono · axes: light / grotesk-sans / cool
 *
 * Every colour, font, size, space, easing and layer on the public site comes
 * from here. Pages reference tokens by name; no raw hex or font names in views.
 */

:root {
  /* ── Colour ─────────────────────────────────────────────── */
  --color-paper:          oklch(98.6% 0.005 215);   /* page ground, cool near-white */
  --color-paper-2:        oklch(96.4% 0.007 215);   /* one elevation step */
  --color-paper-3:        oklch(93.8% 0.009 220);   /* hover row, pressed */
  --color-rule:           oklch(89% 0.012 230);     /* hairlines, control borders */
  --color-rule-2:         oklch(93.5% 0.008 225);   /* secondary dividers */
  --color-ink:            oklch(23.3% 0.072 264);   /* brand navy — headings, primary fill */
  --color-ink-hover:      oklch(31% 0.078 264);
  --color-ink-2:          oklch(37% 0.035 262);     /* body copy */
  --color-muted:          oklch(50% 0.025 255);     /* captions, meta — 5.8:1 on paper */
  --color-accent:         oklch(53.2% 0.088 194);   /* brand teal — signal only, ≤ 5 % */
  --color-accent-strong:  oklch(46% 0.085 194);     /* accent hover / on tint */
  --color-accent-tint:    oklch(95% 0.025 194);     /* chip ground */
  --color-accent-ink:     oklch(98.6% 0.005 215);   /* text on accent fill */
  --color-focus:          oklch(55% 0.13 193);      /* focus ring — 4.1:1 on paper */
  --color-danger:         oklch(50% 0.17 27);       /* form errors */

  /* The page's one dark beat */
  --color-band:           var(--color-ink);
  --color-band-2:         oklch(28% 0.07 264);
  --color-band-rule:      oklch(38% 0.05 262);
  --color-band-ink:       oklch(95.5% 0.010 240);   /* 15.2:1 on band */
  --color-band-muted:     oklch(76% 0.020 250);     /* 8.1:1 on band */
  --color-band-accent:    oklch(80% 0.10 190);      /* 9.7:1 on band */

  --color-scrim:          oklch(23.3% 0.072 264 / 0.42);
  --shadow-lift:          0 1px 2px oklch(23.3% 0.072 264 / 0.06), 0 12px 32px -18px oklch(23.3% 0.072 264 / 0.28);

  /* ── Type ───────────────────────────────────────────────── */
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body:    "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* Five sizes, major-third steps */
  --text-label: 0.8125rem;                                  /* 13 — mono labels, captions */
  --text-body:  1.0625rem;                                  /* 17 */
  --text-h3:    1.375rem;                                   /* 22 */
  --text-h2:    clamp(1.75rem, 1.1vw + 1.35rem, 2.375rem);  /* 28 → 38 */
  --text-h1:    clamp(2.375rem, 2.2vw + 1.6rem, 3.75rem);   /* 38 → 60 */

  --leading-body:    1.6;
  --leading-display: 1.08;
  --tracking-display: -0.025em;
  --tracking-label:   0.06em;

  /* ── Space (4-pt) ───────────────────────────────────────── */
  --space-3xs: 0.125rem;
  --space-2xs: 0.25rem;
  --space-xs:  0.5rem;
  --space-sm:  0.75rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  --wrap:   75rem;                     /* 1200 */
  --gutter: clamp(1rem, 4vw, 1.5rem);
  --nav-h:  4rem;

  /* ── Shape ──────────────────────────────────────────────── */
  --radius-control: 6px;
  --radius-figure:  10px;
  --radius-pill:    999px;
  --rule-hair:      1px;

  /* ── Motion ─────────────────────────────────────────────── */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:     cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long:  420ms;

  /* ── Layers ─────────────────────────────────────────────── */
  --z-base:     1;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    400;
  --z-toast:    500;

  /* ── Bridge: the Uxora template reads these names ──────── */
  --heading-color: var(--color-ink);
  --accent-color:  var(--color-accent);
  --accent-bg:     var(--color-accent);
  --accent-bg2:    var(--color-accent-tint);
  --white-color:   var(--color-paper);
  --white-bg:      var(--color-paper);
  --light-color:   var(--color-paper);
  --light-color2:  var(--color-paper-2);
}