/* ============================================================
   DESIGN TOKENS
   Theme: "Field Notes" — a deep blue-black systems console,
   a warm aged-brass accent (echoing the chronograph in the
   profile photo), monospace telemetry labels for structure.
   ============================================================ */

:root {
  /* ---------- Color: surfaces ---------- */
  --color-bg: #0a0c10;
  --color-bg-elevated: #0e1117;
  --color-surface: #12151c;
  --color-surface-alt: #171b24;
  --color-panel: #14161d;

  /* ---------- Color: text ---------- */
  --color-text: #edeff3;
  --color-text-dim: #b7bcc8;
  --color-muted: #7d8494;
  --color-faint: #454b5a;

  /* ---------- Color: accent & lines ---------- */
  --color-accent: #c19a49;       /* aged brass / gold */
  --color-accent-dim: #8a6f38;
  --color-accent-soft: rgba(193, 154, 73, 0.12);
  --color-line: #232733;
  --color-line-soft: #1a1d26;
  --color-status: #4ade80;       /* system-ok green, used sparingly */

  /* ---------- Typography ---------- */
  --font-display: "Space Grotesk", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --fs-eyebrow: 0.75rem;
  --fs-body: 1rem;
  --fs-body-lg: 1.125rem;
  --fs-h3: clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  --fs-h2: clamp(2rem, 1.4rem + 2.4vw, 3.25rem);
  --fs-hero: clamp(3rem, 1.4rem + 8vw, 8.5rem);

  --lh-tight: 1.02;
  --lh-snug: 1.25;
  --lh-body: 1.6;

  --ls-eyebrow: 0.14em;
  --ls-hero: -0.02em;

  /* ---------- Spacing ---------- */
  --spacing-3xs: 0.25rem;
  --spacing-2xs: 0.5rem;
  --spacing-xs: 0.75rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;
  --spacing-3xl: 9rem;

  --container-max: 1180px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);

  /* ---------- Radius ---------- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  /* ---------- Easing ---------- */
  --ease-smooth: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-expressive: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snappy: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-out-quad: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* ---------- Motion durations ---------- */
  --dur-fast: 180ms;
  --dur-base: 380ms;
  --dur-slow: 700ms;
  --dur-hero: 1200ms;

  /* ---------- Elevation ---------- */
  --shadow-card: 0 20px 60px -25px rgba(0, 0, 0, 0.6);
  --shadow-panel: 0 30px 80px -30px rgba(0, 0, 0, 0.7);

  /* ---------- Z ---------- */
  --z-cursor: 200;
  --z-nav: 100;
  --z-overlay: 90;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-fast: 1ms;
    --dur-base: 1ms;
    --dur-slow: 1ms;
    --dur-hero: 1ms;
  }
}