/* Hallmark · genre: modern-minimal · macrostructure: Map / Diagram (+ Narrative Workflow spine) · theme: custom
 * vibe: "shipping manifest, customs seal, brand navy, factory floor"
 * paper oklch(96.6% 0.008 85) · accent oklch(55% 0.19 29) vermilion seal · ink = brand navy oklch(24% 0.06 262)
 * display: Archivo (expanded, 800) · body: IBM Plex Sans · data: IBM Plex Mono
 * axes: light / grotesk-sans / warm · nav: N5 floating pill · footer: Ft5 statement
 */
:root {
  /* paper — warm manifest stock */
  --color-paper: oklch(96.6% 0.008 85);
  --color-paper-2: oklch(93.4% 0.012 84);
  --color-paper-3: oklch(89.8% 0.015 83);
  --color-rule: oklch(84% 0.016 80);
  --color-rule-strong: oklch(62% 0.03 262);

  /* ink — AZ brand navy */
  --color-ink: oklch(24% 0.06 262);
  --color-ink-2: oklch(40% 0.04 262);
  --color-ink-3: oklch(52% 0.03 262);
  --color-navy: oklch(27% 0.075 262);
  --color-navy-2: oklch(33% 0.075 262);
  --color-navy-3: oklch(43% 0.065 262);
  --color-on-navy: oklch(95% 0.01 85);
  --color-on-navy-2: oklch(79% 0.035 262);

  /* accent — the company chop / inspection seal. Used on proof moments only. */
  --color-seal: oklch(55% 0.19 29);
  --color-seal-ink: oklch(47% 0.17 29);
  --color-seal-wash: oklch(55% 0.19 29 / 0.1);
  --color-ok: oklch(56% 0.12 155);
  --color-focus: oklch(55% 0.19 29);
  --color-shadow: oklch(24% 0.06 262 / 0.16);
  --color-scrim: oklch(24% 0.06 262 / 0.55);

  /* type */
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-cjk: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.125rem;
  --text-lg: 1.375rem;
  --text-xl: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --text-2xl: clamp(1.875rem, 1.2rem + 2.4vw, 2.875rem);
  --text-3xl: clamp(2.25rem, 1.2rem + 3.6vw, 3.75rem);
  --text-display: clamp(2.6rem, 1.1rem + 5.4vw, 5.6rem);

  /* 4pt spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;
  --space-3xl: 6.5rem;
  --space-4xl: 9rem;
  --gutter: clamp(1rem, 0.4rem + 2.6vw, 2.5rem);
  --measure: 62ch;
  --page-max: 84rem;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --rule-hair: 1px;
  --rule-thick: 3px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in: cubic-bezier(0.55, 0, 1, 0.45);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-instant: 90ms;
  --dur-short: 180ms;
  --dur-med: 320ms;
  --dur-long: 700ms;

  --z-base: 1;
  --z-raised: 10;
  --z-sticky: 100;
  --z-nav: 200;
  --z-sheet: 300;
  --z-toast: 400;
}