/* tokens.css — HRVA Homes design system
   Brand colors from HRVA Homes Brand Guide:
   HRVA Blue-Grey #6497A3 (accent) · Deep Navy #071A33 · Dark Charcoal #222525
   Soft Light Grey #F4F6F6 · White #FFFFFF
   Rule: dark charcoal OR white as base, blue-grey as the ONE accent. */

:root {
  /* ---- Type scale (fluid clamp) ---- */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 1rem + 6vw, 6.5rem);

  /* ---- Spacing (4px base) ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---- Radius ---- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* ---- Transitions ---- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- Content widths ---- */
  --content-narrow: 640px;
  --content-default: 1000px;
  --content-wide: 1240px;
  --content-full: 100%;

  /* ---- Fonts ---- */
  --font-display: 'League Spartan', 'Poppins', 'Helvetica Neue', sans-serif;
  --font-body: 'Poppins', 'Helvetica Neue', Arial, sans-serif;

  /* ================= LIGHT MODE (default — white base) ================= */
  --color-bg: #ffffff;
  --color-surface: #f4f6f6; /* Soft Light Grey */
  --color-surface-2: #ecf0f0;
  --color-surface-offset: #e3e9e9;
  --color-border: #d7dede;
  --color-divider: #dde3e3;

  --color-text: #171a1a;
  --color-text-muted: #4c5555;
  --color-text-faint: #7c8686;
  --color-text-inverse: #ffffff;

  --color-primary: #4d7986; /* darkened blue-grey for AA text contrast */
  --color-primary-hover: #3d626d;
  --color-primary-active: #2f4d56;
  --color-primary-highlight: #d9e6e9;
  --color-accent: #6497a3; /* pure brand blue-grey for decorative/large elements */

  --color-navy: #071a33; /* Deep Navy */
  --color-charcoal: #222525; /* Dark Charcoal */

  --color-success: #3f7a4d;
  --color-success-highlight: #dcedde;
  --color-warning: #9a6a17;
  --color-warning-highlight: #f3e6cc;
  --color-error: #a13a3a;
  --color-error-highlight: #f3d9d9;

  --shadow-sm: 0 1px 2px rgba(7, 26, 51, 0.06);
  --shadow-md: 0 4px 14px rgba(7, 26, 51, 0.09);
  --shadow-lg: 0 16px 36px rgba(7, 26, 51, 0.14);
}

/* ================= DARK MODE (charcoal base) ================= */
[data-theme='dark'] {
  --color-bg: #191c1c;
  --color-surface: #222525; /* Dark Charcoal */
  --color-surface-2: #2a2e2e;
  --color-surface-offset: #303535;
  --color-border: #3a3f3f;
  --color-divider: #333838;

  --color-text: #f2f4f4;
  --color-text-muted: #b7c0c0;
  --color-text-faint: #838d8d;
  --color-text-inverse: #171a1a;

  --color-primary: #86adb8;
  --color-primary-hover: #a2c1ca;
  --color-primary-active: #c1d8de;
  --color-primary-highlight: #2c3d41;
  --color-accent: #6497a3;

  --color-navy: #0c2748;
  --color-charcoal: #0f1111;

  --color-success: #7cbf8b;
  --color-success-highlight: #23342a;
  --color-warning: #d9ab5c;
  --color-warning-highlight: #3a3021;
  --color-error: #d68080;
  --color-error-highlight: #3a2626;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --color-bg: #191c1c;
    --color-surface: #222525;
    --color-surface-2: #2a2e2e;
    --color-surface-offset: #303535;
    --color-border: #3a3f3f;
    --color-divider: #33383e;
    --color-text: #f2f4f4;
    --color-text-muted: #b7c0c0;
    --color-text-faint: #838d8d;
    --color-text-inverse: #171a1a;
    --color-primary: #86adb8;
    --color-primary-hover: #a2c1ca;
    --color-primary-active: #c1d8de;
    --color-primary-highlight: #2c3d41;
    --color-navy: #0c2748;
    --color-charcoal: #0f1111;
    --color-success: #7cbf8b;
    --color-success-highlight: #23342a;
    --color-warning: #d9ab5c;
    --color-warning-highlight: #3a3021;
    --color-error: #d68080;
    --color-error-highlight: #3a2626;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 44px rgba(0, 0, 0, 0.5);
  }
}