/* Hallmark · editorial · design-system: uk-russia-tokens.css · UK–Russia audit UI */
:root {
  /* Serif for headlines, sans for buttons and running text.
     Latin headlines use Source Serif 4. Hebrew headlines use Noto Serif Hebrew,
     a current screen serif, because Source Serif 4 has no Hebrew letters. */
  --font-display: "Source Serif 4", "Noto Serif Hebrew", serif;
  --font-body: Archivo, Arial, sans-serif;
  --font-mono: var(--font-body);
  --font-he: var(--font-body);

  /* Major third (1.25) — one ratio for the whole site */
  --text-xs: 0.75rem;       /* 12px labels */
  --text-sm: 0.8125rem;     /* 13px UI */
  --text-base: 0.9375rem;   /* 15px body */
  --text-md: 1rem;          /* 16px lede / emphasis */
  --text-lg: 1.125rem;      /* 18px section titles */
  --text-xl: 1.25rem;       /* 20px stats */
  --text-2xl: 1.5rem;       /* 24px page sections */
  --text-3xl: clamp(1.625rem, 2.6vw, 2.0625rem); /* ~26–33px page title */
  --text-display: clamp(1.75rem, 3.2vw, 2.375rem); /* hero numbers on ladder */

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-body: 1.55;
  --measure: 62ch;

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3rem;

  --page-gutter: clamp(1rem, 4vw, 1.25rem);
  --page-max: 1180px;
}

/* ─────────────────────────────────────────────────────────────────────────
   Redesign options (redesign-options/*). Additive only: nothing above this
   line changes, so the live tracker and ladder pages are unaffected.
   Fonts, the major-third scale and the spacing scale stay shared; each option
   adds a colour theme scoped by [data-option].
   ───────────────────────────────────────────────────────────────────────── */
:root {
  --text-hero: clamp(2.25rem, 5.5vw + 0.5rem, 4.5rem);
  --text-hero-s: clamp(1.875rem, 4vw + 0.5rem, 3rem);
  --text-stat: clamp(3.5rem, 13vw, 7rem);

  --space-4xl: 4.5rem;
  --space-5xl: 6.5rem;

  --tap-min: 2.75rem;
  --rule-hair: 1px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 999px;

  --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;

  --z-base: 1;
  --z-raised: 10;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 400;
}

/* Index · neutral chooser page */
[data-option="index"] {
  --color-paper: oklch(96.5% 0.008 95);
  --color-paper-2: oklch(93% 0.011 95);
  --color-ink: oklch(20% 0.012 95);
  --color-muted: oklch(42% 0.012 95);
  --color-rule: oklch(81% 0.012 95);
  --color-accent: oklch(44% 0.1 250);
  --color-focus: oklch(46% 0.15 258);
  --color-on-photo: oklch(97% 0.006 95);
  --color-overlay: oklch(14% 0.01 95 / 0.62);
}

/* A · Dispatch — bone paper, ochre accent */
[data-option="a"] {
  --color-paper: oklch(96% 0.012 85);
  --color-paper-2: oklch(92.5% 0.016 85);
  --color-ink: oklch(20% 0.014 60);
  --color-muted: oklch(42% 0.014 65);
  --color-rule: oklch(79% 0.016 80);
  --color-accent: oklch(47% 0.115 68);
  --color-focus: oklch(45% 0.15 258);
  --color-uk: oklch(45% 0.14 260);
  --color-ru: oklch(52% 0.19 27);
  --color-ot: oklch(52% 0.012 80);
  --color-on-photo: oklch(97% 0.008 85);
  --color-overlay: oklch(14% 0.012 60 / 0.58);
}

/* B · Phases — sage paper, deep teal accent */
[data-option="b"] {
  --color-paper: oklch(95.5% 0.014 165);
  --color-paper-2: oklch(91% 0.02 165);
  --color-ink: oklch(21% 0.02 190);
  --color-muted: oklch(40% 0.02 190);
  --color-rule: oklch(79% 0.02 170);
  --color-accent: oklch(42% 0.09 195);
  --color-focus: oklch(44% 0.15 258);
  --color-uk: oklch(45% 0.14 260);
  --color-ru: oklch(52% 0.19 27);
  --color-ot: oklch(52% 0.012 190);
  --color-on-photo: oklch(97% 0.008 165);
  --color-overlay: oklch(14% 0.015 190 / 0.55);
}

/* C · Plot — day slate by default, sodium accent. Night is the dark switch. */
[data-option="c"] {
  color-scheme: light;
  --color-paper: oklch(97.2% 0.008 255);
  --color-paper-2: oklch(94.2% 0.012 255);
  --color-paper-3: oklch(90.5% 0.014 255);
  --color-ink: oklch(22% 0.025 255);
  --color-muted: oklch(40% 0.025 255);
  --color-rule: oklch(62% 0.02 255);
  --color-accent: oklch(46% 0.12 78);
  --color-on-accent: oklch(98% 0.01 90);
  --color-on-scale: oklch(16% 0.02 255);
  --color-focus: oklch(42% 0.14 255);
  --color-uk: oklch(42% 0.14 260);
  --color-ru: oklch(46% 0.17 27);
  --color-ot: oklch(40% 0.02 255);
  --color-on-photo: oklch(97% 0.008 90);
  --color-on-photo-muted: oklch(88% 0.012 255);
  --color-overlay: oklch(98% 0.008 255 / 0.9);
  --color-hero-scrim: oklch(16% 0.02 255);
  --color-shadow: oklch(22% 0.02 255 / 0.16);
  /* One raised surface per page (the detail card beside a plot). Everything else sits on the ground with a hairline. */
  --shadow-raised: 0 1px 2px oklch(22% 0.02 255 / 0.06), 0 16px 40px -20px var(--color-shadow);
  --shadow-float: 0 1px 2px oklch(22% 0.02 255 / 0.08), 0 12px 32px -8px var(--color-shadow);
}

html[data-theme="dark"] [data-option="c"],
[data-option="c"][data-theme="dark"] {
  color-scheme: dark;
  --color-paper: oklch(15% 0.016 255);
  --color-paper-2: oklch(19.5% 0.018 255);
  --color-paper-3: oklch(24% 0.02 255);
  --color-ink: oklch(94% 0.008 90);
  --color-muted: oklch(75% 0.014 255);
  --color-rule: oklch(54% 0.022 255);
  --color-accent: oklch(82% 0.14 92);
  --color-on-accent: oklch(20% 0.03 90);
  --color-on-scale: oklch(16% 0.02 255);
  --color-focus: oklch(50% 0.08 200);
  --color-uk: oklch(74% 0.13 255);
  --color-ru: oklch(68% 0.18 27);
  --color-ot: oklch(72% 0.012 255);
  --color-on-photo: oklch(96% 0.008 90);
  --color-on-photo-muted: oklch(84% 0.014 255);
  --color-overlay: oklch(12% 0.016 255 / 0.62);
  --color-hero-scrim: oklch(12% 0.016 255);
  --color-shadow: oklch(4% 0.01 255 / 0.45);
  /* On dark, depth comes from the lighter surface; the shadow only seats the card. */
  --shadow-raised: 0 1px 0 oklch(100% 0 0 / 0.04) inset, 0 12px 32px -20px var(--color-shadow);
  --shadow-float: 0 1px 0 oklch(100% 0 0 / 0.05) inset, 0 16px 40px -12px var(--color-shadow);
}

/* D · Desk — cool white paper, plum accent */
[data-option="d"] {
  --color-paper: oklch(97.5% 0.007 300);
  --color-paper-2: oklch(94.5% 0.01 300);
  --color-ink: oklch(19% 0.015 300);
  --color-muted: oklch(42% 0.015 300);
  --color-rule: oklch(85% 0.01 300);
  --color-accent: oklch(44% 0.15 325);
  --color-focus: oklch(46% 0.15 258);
  --color-uk: oklch(45% 0.14 260);
  --color-ru: oklch(52% 0.19 27);
  --color-ot: oklch(52% 0.012 300);
  --color-on-photo: oklch(97% 0.006 300);
  --color-overlay: oklch(14% 0.015 300 / 0.6);
}

/* E · Portfolio — warm greige paper, deep olive panels, burnt-orange marker. Studied from a public reference page; structure and palette family only. */
[data-option="e"] {
  --color-paper: oklch(97.4% 0.004 85);
  --color-paper-2: oklch(92.5% 0.005 80);
  --color-ink: oklch(21% 0.006 85);
  --color-muted: oklch(46% 0.01 85);
  --color-rule: oklch(84% 0.007 85);
  --color-accent: oklch(52% 0.13 52);
  --color-focus: oklch(52% 0.13 52);
  --color-deep: oklch(38% 0.07 125);
  --color-deep-2: oklch(33% 0.065 125);
  --color-on-deep: oklch(97% 0.006 100);
  --color-on-deep-muted: oklch(84% 0.025 120);
  --color-marker: oklch(70% 0.17 55);
  --color-uk: oklch(46% 0.12 250);
  --color-ru: oklch(52% 0.19 27);
  --color-ot: oklch(52% 0.01 85);
  --color-on-photo: oklch(97% 0.006 100);
  --color-overlay: oklch(18% 0.02 125 / 0.6);
}