/* Hallmark · tokens — Delta H2O · custom theme
 * vibe: "late-night Hong Kong signage, harbour water"
 * axes: dark / display-condensed / cool (neon-cyan ~200°)
 */
:root {
  /* colour — OKLCH, harbour-tinted neutrals, one cyan accent, one magenta secondary */
  --color-paper:      oklch(15% 0.015 220);
  --color-paper-2:    oklch(18% 0.017 220);
  --color-paper-3:    oklch(22% 0.018 220);
  --color-ink:        oklch(93% 0.010 210);
  --color-ink-2:      oklch(74% 0.010 210);
  --color-rule:       oklch(30% 0.014 220);
  --color-rule-2:     oklch(24% 0.014 220);
  --color-muted:      oklch(62% 0.012 210);
  --color-accent:     oklch(80% 0.14 200);
  --color-accent-ink: oklch(15% 0.015 220);
  --color-accent-2:   oklch(70% 0.18 350);
  --color-focus:      oklch(82% 0.19 200);

  /* glow — derived from accent, used ONLY on signage elements */
  --glow-soft:  oklch(80% 0.14 200 / 0.45);
  --glow-faint: oklch(80% 0.14 200 / 0.14);
  --glow-pink:  oklch(70% 0.18 350 / 0.40);

  /* type */
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body:    "Inter Tight", system-ui, sans-serif;
  --font-mono:    "IBM Plex Mono", monospace;

  --text-xs: 0.75rem;  --text-sm: 0.875rem; --text-md: 1.0625rem;
  --text-lg: 1.375rem; --text-xl: 1.75rem;  --text-2xl: 2.25rem;
  --text-display-s: clamp(2rem, 4.5vw, 3.25rem);
  --text-display:   clamp(2.75rem, 10vw, 8.5rem);

  /* space — 4-pt scale */
  --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: 7rem;

  /* motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-short: 220ms;

  /* misc */
  --rule-hair: 1px;
  --radius-card: 14px;
  --radius-pill: 999px;
  --radius-input: 9px;
  --page-gutter: clamp(1.25rem, 4vw, 3rem);
  --max: 62rem;
  --measure: 48rem;   /* reading column for page/post body text */
}