/* ===========================================
   VARIABLES.CSS — Design System (spec Microsoft IA)
   Tokens adaptados à marca LOGON (roxo/índigo)
   =========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@600;700&display=swap');

:root {
  /* ── Typography ── */
  --font-heading: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Helvetica Neue', sans-serif;

  /* ── Brand ── */
  --color-brand-primary: #7c3aed;
  --color-brand-hover: #6d28d9;
  --color-brand-pressed: #5b21b6;
  --color-brand-light: #8b5cf6;

  /* ── Accent ── */
  --color-accent-indigo: #4f46e5;
  --color-accent-indigo-light: #6366f1;
  --color-accent-blue: #1d4ed8;

  /* ── Neutral foreground ── */
  --color-fg-1: #1e1b4b;
  --color-fg-2: #4b5563;
  --color-fg-3: #6b7280;
  --color-fg-inverse: #ffffff;

  /* ── Surface / background ── */
  --color-surface-primary: #ffffff;
  --color-surface-secondary: #f5f3ff;
  --color-surface-tertiary: #ede9fe;
  --color-surface-dark: #2b2840;
  --color-surface-dark-alpha: rgba(43, 40, 64, 0.92);

  /* ── Border ── */
  --color-border-subtle: rgba(124, 58, 237, 0.10);
  --color-border-medium: rgba(124, 58, 237, 0.22);
  --color-border-strong: rgba(124, 58, 237, 0.35);

  /* ── Spacing (4 px base) ── */
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;
  --space-5xl: 96px;

  /* ── Border Radius ── */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* ── Elevation / Shadows ── */
  --shadow-1: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.10);
  --shadow-2: 0 2px 4px rgba(0,0,0,0.06), 0 4px 8px rgba(0,0,0,0.12);
  --shadow-3: 0 4px 8px rgba(0,0,0,0.08), 0 8px 16px rgba(0,0,0,0.14);
  --shadow-4: 0 8px 16px rgba(0,0,0,0.10), 0 16px 32px rgba(0,0,0,0.16);
  --shadow-glow: 0 0 20px rgba(124, 58, 237, 0.18), 0 4px 16px rgba(124, 58, 237, 0.10);

  /* ── Motion ── */
  --duration-fast: 100ms;
  --duration-normal: 200ms;
  --duration-moderate: 300ms;
  --duration-slow: 400ms;
  --duration-slower: 500ms;
  --duration-slowest: 700ms;
  --easing-default: cubic-bezier(0.33, 0, 0.67, 1);
  --easing-decelerate: cubic-bezier(0.1, 0.9, 0.2, 1);
  --easing-accelerate: cubic-bezier(0.9, 0.1, 1, 0.2);

  /* ── Layout ── */
  --container-max: 1200px;
  --container-padding: var(--space-2xl);
  --navbar-height: 80px;

  /* ── Z-index ── */
  --z-base: 1;
  --z-sticky: 100;
  --z-dropdown: 200;
  --z-modal: 300;
}

@media (max-width: 767px) {
  :root {
    --container-padding: var(--space-md);
  }
}
@media (min-width: 768px) and (max-width: 1083px) {
  :root {
    --container-padding: var(--space-lg);
  }
}