/* Kastor docs — design tokens (shared: landing + documentation pages) */
*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  /* Brand — river / graph paper feel */
  --color-accent: #0d9488;
  --color-accent-hover: #0f766e;
  --color-accent-muted: rgba(13, 148, 136, 0.12);
  --color-accent-text: #115e59;
  --color-on-accent: #ffffff;

  /* Neutrals */
  --color-bg-page: #f8fafc;
  --color-bg-elevated: #ffffff;
  --color-bg-sidebar: linear-gradient(180deg, #f1f5f9 0%, #eef2f7 100%);
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;

  /* Code surfaces */
  --color-code-bg: #f1f5f9;
  --color-code-inline: #1e293b;
  --color-pre-bg: #0f172a;
  --color-pre-text: #e2e8f0;
  /* Text on dark surfaces (code panels, footer) */
  --color-on-inverse: #f1f5f9;
  --color-on-inverse-muted: #cbd5e1;
  --color-on-inverse-subtle: #94a3b8;
  --color-inverse-deep: #0c1222;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.07);
  --shadow-lg: 0 18px 48px rgba(15, 23, 42, 0.09);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, sans-serif;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;

  --text-prose: 1.0625rem;
  --leading-prose: 1.72;
  --content-max: 52rem;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}