/* ===========================================================
   ASTRA TECHNIC — Design tokens
   Light, restrained, engineered. Navy anchor, cyan used sparingly.
=========================================================== */
:root{
  /* ---- color: surfaces ---- */
  --color-bg: #FAF9F5;
  --color-bg-alt: #F2F0EA;
  --color-surface: #FFFFFF;

  /* ---- color: brand ---- */
  --color-navy: #0A1B32;
  --color-navy-2: #0E2440;
  --color-navy-dark: #071120;
  --color-blue: #24568F;
  --color-cyan: #4FD8EA;
  --color-cyan-dim: #3AA9C2;

  /* ---- color: text on light ---- */
  --color-ink: #0E1620;
  --color-ink-soft: #4C555F;
  --color-ink-faint: #8A9099;

  /* ---- color: text on dark ---- */
  --color-paper: #F4F3EF;
  --color-paper-soft: #9FACBC;
  --color-paper-faint: #63728A;

  /* ---- lines ---- */
  --color-line: rgba(10, 27, 50, 0.10);
  --color-line-dark: rgba(244, 243, 239, 0.14);

  /* ---- type families ---- */
  --font-display: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  /* ---- fluid type scale ---- */
  --fs-eyebrow: clamp(0.6875rem, 0.66rem + 0.13vw, 0.8125rem);
  --fs-body: clamp(1rem, 0.97rem + 0.13vw, 1.0625rem);
  --fs-body-lg: clamp(1.0625rem, 1rem + 0.28vw, 1.25rem);
  --fs-h2: clamp(2.1rem, 1.6rem + 2.2vw, 3.4rem);
  --fs-h1: clamp(2.6rem, 1.7rem + 4vw, 4.9rem);

  /* ---- spacing ---- */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: clamp(4rem, 3rem + 4vw, 7rem);
  --space-3xl: clamp(5rem, 3rem + 8vw, 10rem);

  /* ---- layout ---- */
  --container-max: 1400px;
  --gutter: clamp(16px, 4.5vw, 96px);

  /* ---- motion ---- */
  --ease-precise: cubic-bezier(0.22, 0.61, 0.23, 1);
  --dur-fast: 220ms;
  --dur-med: 480ms;
  --dur-slow: 780ms;

  /* ---- radii: minimal by design ---- */
  --radius-sm: 2px;
  --radius-md: 3px;

  color-scheme: light;
}