:root {
  /* Backgrounds & neutrals — mood board */
  --color-charcoal: #1a1a1e;
  --color-charcoal-soft: #3a3530;
  --color-cream: #f5f0e8;
  --color-cream-dark: #e8e0d4;
  --color-white: #ffffff;

  /* Foreground accents — nudged warm (Savitar 1 amber, on light grounds) */
  --color-gold: #c4952a;
  --color-gold-bright: #d4a63a;
  --color-gold-deep: #a67c1a;
  --color-cyan: #3d6b6b;
  --color-cyan-bright: #4a8888;
  --color-ember: #8b4513;

  /* Savitar v1 default session background (Alter Aeon new world) */
  --savitar-session-bg: #6a6a94;
  --savitar-input-bg: #62628c;
  --ansi-cyan: #6eced3;
  --ansi-green: #7ecf8a;
  --ansi-gold: #e6c04a;
  --ansi-yellow: #ffe566;
  --ansi-white: #f2f2f4;
  --ansi-dim: #b0b0bc;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;

  /* Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.15vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.25rem);
  --text-xl: clamp(1.375rem, 1.2rem + 0.7vw, 1.75rem);
  --text-2xl: clamp(1.75rem, 1.4rem + 1.4vw, 2.5rem);
  --text-hero: clamp(2.5rem, 1.8rem + 2.8vw, 4rem);

  /* Layout */
  --max-width: 72rem;
  --header-height: 4rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;

  /* Motion */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 180ms;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration: 0ms;
  }
}