:root {
  /* Colors */
  --color-ember-red: #c94040;
  --color-kiln-amber: #c56a21;
  --color-deep-walnut: #22201f;
  --color-fern-success: #2ad87f;
  --color-midnight-ink: #191818;
  --color-pressed-linen: #efede7;
  --color-obsidian-shade: #1e1c1b;
  --color-parchment-cream: #f7f7f2;
  --color-weathered-stone: #e1dcd5;

  /* Typography — Font Families */
  --font-plex-mono-eyebrow: "IBM Plex Mono", Arial, sans-serif, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-plex-sans-counsel: "IBM Plex Sans Variable", Arial, sans-serif, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-plex-serif-editorial: "IBM Plex Serif", Arial, sans-serif, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Typography — Scale */
  --text-caption: 10px;
  --leading-caption: 1.2;
  --tracking-caption: 0.75px;
  --text-label: 12px;
  --leading-label: 1.333;
  --tracking-label: 0.75px;
  --text-body-sm: 14px;
  --leading-body-sm: 1.43;
  --tracking-body-sm: 0px;
  --text-body: 16px;
  --leading-body: 1.5;
  --tracking-body: 0px;
  --text-body-lg: 20px;
  --leading-body-lg: 1.4;
  --tracking-body-lg: 0px;
  --text-heading-sm: 24px;
  --leading-heading-sm: 1.167;
  --tracking-heading-sm: -0.5px;
  --text-heading: 32px;
  --leading-heading: 1.125;
  --tracking-heading: -1px;
  --text-heading-lg: 40px;
  --leading-heading-lg: 1.1;
  --tracking-heading-lg: -1px;
  --text-display-sm: 48px;
  --leading-display-sm: 1.083;
  --tracking-display-sm: -2px;
  --text-display: 64px;
  --leading-display: 1.125;
  --tracking-display: -2.5px;
  --text-display-xl: 96px;
  --leading-display-xl: 1.05;
  --tracking-display-xl: -2.5px;

  /* Typography — Weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Spacing */
  --spacing-unit: 4px;
  --spacing-0: 0px;
  --spacing-4: 4px;
  --spacing-8: 8px;
  --spacing-12: 12px;
  --spacing-16: 16px;
  --spacing-20: 20px;
  --spacing-24: 24px;
  --spacing-32: 32px;
  --spacing-48: 48px;
  --spacing-64: 64px;
  --spacing-80: 80px;
  --spacing-120: 120px;

  /* Layout */
  --page-max-width: 1800px;
  --section-gap: 120px;
  --card-padding: 32px;
  --element-gap: 24px;

  /* Border Radius */
  --radius-full: 9999px;
  --radius-tags: 16px;
  --radius-cards: 12px;
  --radius-inputs: 8px;
  --radius-buttons: 16px;
  --radius-cards-large: 16px;
  --radius-buttons-pill: 24px;

  /* Surfaces */
  --surface-parchment-cream: #f7f7f2;
  --surface-pressed-linen: #efede7;
  --surface-weathered-stone: #e1dcd5;
  --surface-obsidian-shade: #1e1c1b;
  --surface-deep-walnut: #22201f;

  /* Shadows */
  --shadow-button-bevel: 0 -1px 0 0 rgba(247,247,242,0.16), 0 1px 0 0 rgba(247,247,242,0.08);

  /* Motion */
  --duration-navigation: 400ms;
  --easing-navigation: ease;
  --duration-ui-default: 300ms;
  --easing-ui-default: ease;
  --duration-tertiary-link: 350ms;
  --easing-tertiary-link: ease;

  /* Breakpoints */
  --breakpoint-lg: 991px;
  --breakpoint-md: 767px;
  --breakpoint-sm: 479px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-midnight-ink: #f7f7f2;
    --color-pressed-linen: #1e1c1b;
    --color-parchment-cream: #191818;
    --color-weathered-stone: #22201f;
    --surface-lift: #1e1c1b;
    --surface-depth: #22201f;
    --surface-canvas: #191818;
  }
}

[data-theme="dark"] {
  --color-midnight-ink: #f7f7f2;
  --color-pressed-linen: #1e1c1b;
  --color-parchment-cream: #191818;
  --color-weathered-stone: #22201f;
  --surface-lift: #1e1c1b;
  --surface-depth: #22201f;
  --surface-canvas: #191818;
}