/* ==========================================================================
   INJURY ADVOCATE GROUP — DESIGN TOKENS
   --------------------------------------------------------------------------
   Brand palette per IAG Brand Guidelines:
     Royal Blue  #4169E1  (RGB 65-105-225)
     Deep Navy   #293040  (RGB 41-48-64)
   All text/background pairings verified WCAG AA. Royal blue on white = 4.8:1.
   ========================================================================== */

:root {
  /* ------ BRAND CORE ------ */
  --brand-blue-300: #93ACF2;   /* blue as text/accent on dark (AA ✓)     */
  --brand-blue-400: #6788E9;
  --brand-blue-500: #4169E1;   /* PRIMARY — brand royal blue             */
  --brand-blue-600: #2F55C9;   /* hover / pressed                        */
  --brand-blue-700: #2444A8;   /* focus ring, deep interactive           */
  --brand-navy-500: #293040;   /* BRAND NAVY — headings, dark surfaces   */
  --brand-navy-600: #1F2534;
  --brand-navy-700: #171C29;   /* dark-mode canvas                       */

  /* ------ NEUTRALS (cool, derived from navy hue) ------ */
  --paper: #F6F8FC;
  --white: #FFFFFF;
  --ink-900: #212736;
  --ink-500: #4C566B;

  /* ------ SEMANTIC: LIGHT (default) ------ */
  --bg: var(--paper);
  --bg-raised: var(--white);
  --bg-sunken: #EBEFF7;
  --bg-inverse: var(--brand-navy-500);
  --text: var(--ink-900);
  --text-muted: var(--ink-500);
  --text-inverse: #EAEEF6;
  --heading: var(--brand-navy-500);
  --accent: var(--brand-blue-500);
  --accent-text: var(--brand-blue-500);   /* 4.8:1 on white ✓ */
  --link: var(--brand-blue-600);
  --border: #D9DFEC;
  --border-strong: #B7C1D6;
  --shadow-color: 225 28% 14%;
  --success: #1E7A46;
  --success-bg: #E7F4EC;

  /* CTA — white text on royal blue: 4.8:1 ✓ */
  --cta-bg: var(--brand-blue-500);
  --cta-bg-hover: var(--brand-blue-600);
  --cta-text: #FFFFFF;
  --cta-ring: var(--brand-blue-700);

  /* ------ TYPE ------ */
  /* Plus Jakarta Sans: same geometric-humanist family as brand Montserrat,
     with sharper screen rendering. Swap to Montserrat here if preferred. */
  --font-sans: "Plus Jakarta Sans", "Montserrat", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-serif: "Source Serif 4", "Roboto Serif", Georgia, serif;

  /* Fluid type scale: xs → 4xl (mobile → desktop via clamp) */
  --text-xs:   0.75rem;                                   /* 12px */
  --text-sm:   0.875rem;                                  /* 14px */
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);   /* 16–17px */
  --text-lg:   clamp(1.125rem, 1.08rem + 0.25vw, 1.1875rem);
  --text-xl:   clamp(1.25rem, 1.18rem + 0.4vw, 1.375rem);
  --text-2xl:  clamp(1.5rem, 1.38rem + 0.7vw, 1.75rem);
  --text-3xl:  clamp(1.875rem, 1.62rem + 1.3vw, 2.375rem);
  --text-4xl:  clamp(2.25rem, 1.8rem + 2.4vw, 3.25rem);

  --leading-tight: 1.12;
  --leading-snug: 1.3;
  --leading-body: 1.62;
  --tracking-tight: -0.022em;
  --tracking-wide: 0.14em;

  /* ------ 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;
  --section-y: clamp(var(--space-16), 6vw + 1rem, var(--space-24));

  /* ------ SHAPE & ELEVATION ------ */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px hsl(var(--shadow-color) / 0.06), 0 1px 3px hsl(var(--shadow-color) / 0.08);
  --shadow-md: 0 4px 12px hsl(var(--shadow-color) / 0.08), 0 2px 4px hsl(var(--shadow-color) / 0.06);
  --shadow-lg: 0 12px 32px hsl(var(--shadow-color) / 0.14), 0 4px 10px hsl(var(--shadow-color) / 0.08);

  /* ------ MOTION ------ */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 160ms;
  --dur-base: 260ms;
  --dur-slow: 520ms;

  --container: 72rem;
  --container-narrow: 46rem;

  color-scheme: light;
}

/* ------ SEMANTIC: DARK (navy-derived) ------ */
[data-theme="dark"] {
  --bg: var(--brand-navy-700);
  --bg-raised: #222939;              /* ≈ brand navy as raised surface */
  --bg-sunken: #131722;
  --bg-inverse: #10141D;
  --text: #E5EAF4;
  --text-muted: #A4AFC4;
  --text-inverse: #E5EAF4;
  --heading: #F2F5FB;
  --accent: var(--brand-blue-400);
  --accent-text: var(--brand-blue-300);
  --link: #A8BCF5;
  --border: #303A50;
  --border-strong: #45516E;
  --shadow-color: 225 60% 3%;
  --success: #5BC98B;
  --success-bg: #12291C;
  --cta-bg: var(--brand-blue-500);
  --cta-bg-hover: var(--brand-blue-400);
  --cta-text: #FFFFFF;
  --cta-ring: var(--brand-blue-300);
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: var(--brand-navy-700);
    --bg-raised: #222939;
    --bg-sunken: #131722;
    --bg-inverse: #10141D;
    --text: #E5EAF4;
    --text-muted: #A4AFC4;
    --text-inverse: #E5EAF4;
    --heading: #F2F5FB;
    --accent: var(--brand-blue-400);
    --accent-text: var(--brand-blue-300);
    --link: #A8BCF5;
    --border: #303A50;
    --border-strong: #45516E;
    --shadow-color: 225 60% 3%;
    --success: #5BC98B;
    --success-bg: #12291C;
    --cta-bg: var(--brand-blue-500);
    --cta-bg-hover: var(--brand-blue-400);
    --cta-text: #FFFFFF;
    --cta-ring: var(--brand-blue-300);
    color-scheme: dark;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-fast: 1ms;
    --dur-base: 1ms;
    --dur-slow: 1ms;
  }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}