/* ==========================================================
   Purified LLC — Design Tokens
   File: variables.css
   Purpose: Brand system, spacing, shadows, radius, breakpoints
   ========================================================== */

:root {
  /* Brand Colors */
  --color-primary-900: #061f43;
  --color-primary-800: #082e5d;
  --color-primary-700: #0a4d8c;
  --color-primary-600: #0d63c7;
  --color-primary-500: #1557d6;

  --color-accent-600: #0ea5a4;
  --color-accent-500: #17bebb;
  --color-accent-100: #e6fffb;

  --color-success-600: #22963a;
  --color-success-500: #2fb344;
  --color-success-100: #eaf8ee;

  --color-warning-500: #ffb000;

  /* Neutrals */
  --color-white: #ffffff;
  --color-surface: #ffffff;
  --color-background: #f7fafc;
  --color-background-soft: #eef6ff;
  --color-border: #dce4ef;

  --color-text: #0b1b33;
  --color-text-soft: #334155;
  --color-muted: #5c6b82;
  --color-muted-light: #8492a6;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #0a4d8c 0%, #1557d6 100%);
  --gradient-hero: linear-gradient(90deg, #ffffff 0%, #ffffff 42%, #eef6ff 100%);
  --gradient-blue-bar: linear-gradient(90deg, #0a4d8c 0%, #0d63c7 100%);
  --gradient-green: linear-gradient(135deg, #2fb344 0%, #22963a 100%);

  /* Typography */
  --font-heading: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.75rem;
  --font-size-4xl: 4rem;
  --font-size-hero: clamp(3rem, 7vw, 5.35rem);

  --line-height-tight: 1.05;
  --line-height-heading: 1.12;
  --line-height-body: 1.7;

  /* Layout */
  --container-width: 1180px;
  --container-padding: 20px;

  --section-padding: 90px;
  --section-padding-sm: 64px;

  /* Spacing Scale */
  --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;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-2xl: 32px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(5, 37, 85, 0.06);
  --shadow-sm: 0 8px 20px rgba(5, 37, 85, 0.08);
  --shadow-md: 0 18px 50px rgba(5, 37, 85, 0.12);
  --shadow-lg: 0 30px 80px rgba(5, 37, 85, 0.18);
  --shadow-green: 0 10px 24px rgba(47, 179, 68, 0.26);

  /* Transitions */
  --transition-fast: 160ms ease;
  --transition-base: 240ms ease;
  --transition-slow: 420ms ease;

  /* Z-index */
  --z-header: 50;
  --z-mobile-menu: 60;
  --z-overlay: 70;

  /* Compatibility aliases used by current CSS files */
  --blue: var(--color-primary-700);
  --blue-dark: var(--color-primary-800);
  --accent: var(--color-accent-500);
  --green: var(--color-success-500);
  --text: var(--color-text);
  --muted: var(--color-muted);
  --bg: var(--color-background);
  --white: var(--color-white);
  --shadow: var(--shadow-md);
  --radius: var(--radius-xl);
  --container: var(--container-width);
}

@media (max-width: 980px) {
  :root {
    --section-padding: 76px;
  }
}

@media (max-width: 640px) {
  :root {
    --container-padding: 14px;
    --section-padding: 58px;
    --font-size-hero: clamp(2.7rem, 13vw, 4.1rem);
  }
}