/*
  Design tokens — Acquisition Intelligence Platform prototype.
  Source: docs/design/VISUAL_DNA.md, docs/product/EXPERIENCE_UI_KIT_V1.md.
  Warm near-black + single brass accent, serif/mono role split,
  zero-radius geometry. No token here invents a new visual language —
  each traces to a decision already named in VISUAL_DNA.md.
*/

:root {
  /* Colour — warm near-black base (VISUAL_DNA §2.6), one brass accent (§2.4) */
  --colour-base: #0e0d0a;
  --colour-base-raised: #15130f;
  --colour-hairline: rgba(237, 231, 218, 0.14);
  --colour-hairline-strong: rgba(237, 231, 218, 0.26);
  --colour-text: #ede7da;
  --colour-text-muted: #a89e8d;
  --colour-text-faint: #6f6656;

  --colour-accent: #c9a567;
  --colour-accent-strong: #d9b978;
  --colour-accent-low: rgba(201, 165, 103, 0.16);
  --colour-accent-low-border: rgba(201, 165, 103, 0.55);
  --colour-accent-ink: #14110a; /* text set on top of full-strength accent */

  /* Typography — serif for narrative, mono for data/labels (VISUAL_DNA §2.5) */
  --font-serif: "Source Serif 4", ui-serif, Georgia, "Iowan Old Style", "Times New Roman", serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", "Roboto Mono", Consolas, monospace;

  --size-hero: clamp(2rem, 1.5rem + 2vw, 3.05rem);
  --size-h2: clamp(1.35rem, 1.15rem + 0.8vw, 1.75rem);
  --size-body: 1.0625rem;
  --size-small: 0.9rem;
  --size-label: 0.72rem;
  --size-figure: clamp(2.4rem, 1.9rem + 2vw, 3.4rem);

  --leading-tight: 1.2;
  --leading-normal: 1.5;
  --leading-loose: 1.75;

  --tracking-label: 0.09em;

  /* Spacing — generous, modular */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6.5rem;
  --space-10: 9rem;

  /* Geometry — zero-radius throughout (VISUAL_DNA §2.4, "no rounded SaaS cards") */
  --radius: 0px;

  /* Motion — measured, never instant, never bouncy (VISUAL_DNA §2.11) */
  --ease-settle: cubic-bezier(0.22, 0.61, 0.36, 1);
  --duration-settle: 600ms;
  --duration-quick: 220ms;

  --content-max: 40rem;
  --page-max: 78rem;
}