/* Design tokens — Top Art Roofing Ltd
   Direction: "Precision Monochrome" (state/DECISIONS.md, Phase 2)
   Contract: contracts/design-tokens.md v1.1.0
   Warm off-white canvas, near-black charcoal ink, muted metallic gold.
   Deviations from defaults: sharp radii (architectural direction),
   generous --section-pad-y (premium whitespace). */

@font-face {
  font-family: 'Cinzel';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/cinzel-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../assets/fonts/inter-latin-400-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../assets/fonts/inter-latin-600-normal.woff2') format('woff2');
}

:root {
  /* Colors */
  --color-primary: #1a1814;        /* charcoal black — buttons, headings, dark surfaces */
  --color-primary-dark: #0d0c0a;   /* deepest black — hover, footer */
  --color-accent: #8a6c22;         /* muted metallic gold — hairlines, labels (4.7:1 on bg) */
  --color-bg: #faf9f6;             /* warm off-white canvas */
  --color-surface: #ffffff;        /* cards, raised panels */
  --color-text: #1a1814;
  --color-text-muted: #5c5648;     /* 6.4:1 on bg */
  --color-border: #e4e0d6;
  --color-success: #2e6b3f;
  --color-error: #a33326;

  /* Typography — Cinzel display caps + Inter body; scale ratio 1.25 */
  --font-heading: 'Cinzel', 'Times New Roman', serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.563rem;
  --text-2xl: 1.953rem;
  --text-3xl: 2.441rem;
  --text-hero: clamp(2.5rem, 5vw + 1rem, 4.25rem);
  --leading-tight: 1.15;
  --leading-normal: 1.6;
  --leading-loose: 1.85;

  /* Spacing — 4px base scale */
  --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: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --space-11: 12rem;
  --space-12: 16rem;

  /* Layout — sharp architectural radii (deviation: premium, crisp edges) */
  --container-max: 1200px;
  --section-pad-y: clamp(4rem, 8vw, 7rem);
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-full: 999px;

  /* Elevation — warm-neutral, restrained */
  --shadow-sm: 0 1px 2px rgba(26, 24, 20, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 24, 20, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 24, 20, 0.14);

  /* Motion */
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark sections (CTA band, footer, dark hero) opt in via data-theme. */
[data-theme="dark"] {
  --color-primary: #f5f2ec;        /* inverted: light buttons on dark */
  --color-primary-dark: #ffffff;
  --color-accent: #c9a961;         /* light gold — 8.3:1 on dark bg */
  --color-bg: #121110;
  --color-surface: #1b1917;
  --color-text: #f5f2ec;
  --color-text-muted: #b5aea0;
  --color-border: #3a362f;
  --color-success: #6fbf85;
  --color-error: #e2796c;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
}