/* Hearth — design tokens (Tastefolio). Warm paper canvas, ink-black actions, one warm accent.
   Change --brand (the accent) freely; primary buttons stay ink. */
:root {
  /* Warm neutrals */
  --canvas: #f6f4f1;
  --surface: #ffffff;
  --surface-2: #faf8f6;
  --surface-3: #efebe6;
  --surface-ink: #1c1a17;        /* announcement bar, primary buttons, code */
  --overlay: rgba(28, 26, 23, .38);

  --ink: #1c1a17;
  --ink-2: #5e5852;
  --ink-3: #8f877e;
  --ink-inverse: #faf8f6;

  --line: #e7e2db;
  --line-2: #d6cfc5;

  /* Accent: warm coral. Used for the active feature card, small markers and highlights — not for buttons. */
  --brand: #e5533d;
  --brand-ink: #ffffff;
  --brand-soft: color-mix(in oklab, var(--brand) 12%, var(--surface));
  --brand-strong: color-mix(in oklab, var(--brand) 78%, #000);
  --focus: color-mix(in oklab, var(--brand) 45%, transparent);

  /* Status: muted, earthy */
  --success: #2f8f5b;
  --success-soft: #e6f3eb;
  --warning: #b7791f;
  --warning-soft: #f8efdf;
  --danger: #c8412f;
  --danger-soft: #f9e7e3;
  --info: #3d6fb0;
  --info-soft: #e7eef8;

  --chart-1: var(--ink);
  --chart-2: var(--brand);
  --chart-3: #8f877e;
  --chart-4: #3d6fb0;
  --chart-5: #2f8f5b;
  --chart-6: #b7791f;
  --chart-grid: #ece7e1;
  --chart-axis: var(--ink-3);
  --chart-curve: linear;
  --chart-stroke: 1.75;
  --chart-area: .08;
  --chart-radius: 2;
  --chart-bar-gap: .45;

  /* Type: warm grotesk + technical mono */
  --font-sans: "Hanken Grotesk", "Vazirmatn", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: var(--font-sans);
  --font-mono: "IBM Plex Mono", "Vazirmatn", ui-monospace, "SF Mono", Menlo, monospace;
  --fs-xs: 12px;
  --fs-sm: 13.5px;
  --fs-md: 15px;
  --fs-lg: 18px;
  --fs-xl: 22px;
  --fs-2xl: 32px;
  --fs-3xl: 48px;
  --fs-display: clamp(40px, 5.6vw, 72px);
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-bold: 600;
  --fw-display: 600;
  --lh-tight: 1.04;
  --lh-snug: 1.3;
  --lh-body: 1.55;
  --tracking-display: -.035em;
  --tracking-caps: .07em;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 48px;
  --space-9: 72px;
  --space-10: 112px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 999px;
  --border-w: 1px;
  --shadow-1: 0 1px 0 rgba(28, 26, 23, .04);
  --shadow-2: 0 12px 32px -14px rgba(28, 26, 23, .28), 0 0 0 1px rgba(28, 26, 23, .06);
  --shadow-3: 0 28px 64px -24px rgba(28, 26, 23, .4);

  --container: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --header-h: 60px;
  --control-h: 34px;
  --control-h-lg: 44px;
  --row-h: 56px;

  --ease: cubic-bezier(.25, .8, .25, 1);
  --dur-1: 120ms;
  --dur-2: 220ms;
  --dur-3: 360ms;
  color-scheme: light;
}

[data-theme="dark"] {
  --canvas: #161513;
  --surface: #1e1c1a;
  --surface-2: #232120;
  --surface-3: #2b2926;
  --surface-ink: #f4f1ec;
  --overlay: rgba(0, 0, 0, .6);
  --ink: #f4f1ec;
  --ink-2: #b9b1a7;
  --ink-3: #8a8279;
  --ink-inverse: #1c1a17;
  --line: #2e2b28;
  --line-2: #3b3834;
  --brand: #f0705b;
  --brand-strong: color-mix(in oklab, var(--brand) 80%, #fff);
  --brand-soft: color-mix(in oklab, var(--brand) 16%, var(--surface));
  --success: #5cbf87;
  --success-soft: #19281f;
  --warning: #e0a548;
  --warning-soft: #2c2416;
  --danger: #f07563;
  --danger-soft: #2f1c18;
  --info-soft: #1b2433;
  --chart-grid: #2b2926;
  --shadow-2: 0 14px 36px -12px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .05);
  color-scheme: dark;
}

:root:lang(fa) {
  --font-sans: "Vazirmatn", "Hanken Grotesk", system-ui, Tahoma, sans-serif;
  --font-mono: "IBM Plex Mono", "Vazirmatn", ui-monospace, monospace;
  --lh-tight: 1.4;
  --lh-snug: 1.6;
  --lh-body: 1.9;
  --tracking-display: 0;
  --tracking-caps: 0;
  --fs-display: clamp(32px, 4.6vw, 60px);
}