/* Hallmark · tokens — theme: Atelier (Korean-script adaptation)
 * paper band: light · display style: serif (Noto Serif KR) · accent hue: warm vermilion (30)
 */
:root {
  /* colour — warm ivory paper, warm ink, seal-red accent */
  --color-paper:   oklch(97.5% 0.007 80);
  --color-paper-2: oklch(94.8% 0.009 80);
  --color-rule:    oklch(88% 0.010 80);
  --color-muted:   oklch(52% 0.014 60);
  --color-neutral: oklch(45% 0.014 60);
  --color-ink-2:   oklch(33% 0.014 60);
  --color-ink:     oklch(21% 0.015 60);
  --color-accent:  oklch(51% 0.165 30);
  --color-focus:   oklch(48% 0.165 30);

  /* type */
  --font-display: "Noto Serif KR", "Apple SD Gothic Neo", serif;
  --font-body: "Pretendard Variable", Pretendard, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --text-xs: 0.8125rem;   /* 13px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-md: 1.15625rem;  /* 18.5px */
  --text-lg: 1.4375rem;   /* 23px */
  --text-xl: 1.75rem;     /* 28px */
  --text-display: clamp(2.375rem, 5.5vw + 0.5rem, 3.5rem);

  /* space — 4pt scale */
  --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;

  /* motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --dur-short: 200ms;

  /* structure */
  --measure: 41rem;
  --measure-wide: 46rem;
  --page-gutter: clamp(1.25rem, 6vw, 4.5rem);
  --rule-hair: 1px solid var(--color-rule);
}