/* ============================================
   ARRUMA SACADA — Design Tokens
   variables.css
   ============================================ */

:root {
  /* ── Colors: Primary ── */
  --color-primary: #1B4F72;
  --color-primary-dark: #154360;
  --color-primary-light: #2E86C1;

  /* ── Colors: Secondary (Amber/Gold) ── */
  --color-secondary: #F59E0B;
  --color-secondary-dark: #D97706;
  --color-secondary-light: #FCD34D;

  /* ── Colors: Accent (WhatsApp Green) ── */
  --color-accent: #25D366;
  --color-accent-dark: #1DA851;
  --color-accent-light: #6EE7A0;

  /* ── Colors: Backgrounds ── */
  --color-bg-primary: #F3F4F6;
  --color-bg-secondary: #E5E7EB;
  --color-bg-dark: #1A2332;
  --color-bg-hero: linear-gradient(180deg, #F3F4F6 0%, #EBEFFF 100%);

  /* ── Colors: Surface / Cards ── */
  --color-surface: #FFFFFF;
  --color-card: #FFFFFF;

  /* ── Colors: Borders ── */
  --color-border: #D1D5DB;
  --color-border-focus: #2E86C1;

  /* ── Colors: Text ── */
  --color-text-primary: #1F2937;
  --color-text-secondary: #6B7280;
  --color-text-inverse: #FFFFFF;
  --color-text-muted: #9CA3AF;

  /* ── Colors: Links ── */
  --color-link: #2E86C1;
  --color-link-hover: #1B4F72;

  /* ── Colors: Feedback ── */
  --color-success: #059669;
  --color-warning: #D97706;
  --color-error: #DC2626;
  --color-error-bg: #FEF2F2;

  /* ── Typography ── */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* ── Font Sizes (Mobile-first) ── */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 1.75rem;   /* 28px */
  --text-4xl: 2rem;      /* 32px */
  --text-5xl: 2.5rem;    /* 40px */

  /* ── Font Weights ── */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* ── Line Heights ── */
  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* ── Letter Spacing ── */
  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.05em;

  /* ── Spacing (8px base) ── */
  --space-1: 0.25rem;    /* 4px */
  --space-2: 0.5rem;     /* 8px */
  --space-3: 0.75rem;    /* 12px */
  --space-4: 1rem;       /* 16px */
  --space-5: 1.25rem;    /* 20px */
  --space-6: 1.5rem;     /* 24px */
  --space-8: 2rem;       /* 32px */
  --space-10: 2.5rem;    /* 40px */
  --space-12: 3rem;      /* 48px */
  --space-16: 4rem;      /* 64px */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */

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

  /* ── Shadows ── */
  --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 12px -2px rgba(0, 0, 0, 0.12), 0 3px 6px -3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.15), 0 6px 12px -6px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 24px 40px -8px rgba(0, 0, 0, 0.2), 0 10px 16px -10px rgba(0, 0, 0, 0.1);
  --shadow-sticky: 0 -4px 12px rgba(0, 0, 0, 0.08);

  /* ── Container ── */
  --container-max: 1120px;
  --container-narrow: 720px;
  --container-padding: 1rem;

  /* ── Transitions ── */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* ── Z-index Scale ── */
  --z-sticky-bar: 1000;
  --z-sticky-whatsapp: 999;
  --z-header: 900;
}

/* ── Desktop Overrides ── */
@media (min-width: 768px) {
  :root {
    --text-xl: 1.5rem;    /* 24px */
    --text-2xl: 1.875rem; /* 30px */
    --text-3xl: 2.25rem;  /* 36px */
    --text-4xl: 3rem;     /* 48px */
    --text-5xl: 3.75rem;  /* 60px */
    --container-padding: 1.5rem;
  }
}

@media (min-width: 1024px) {
  :root {
    --container-padding: 2rem;
  }
}

/* ── Dark Theme Variables ── */
:root[data-theme="dark"] {
  --color-bg-primary: #111827;
  --color-bg-secondary: #1F2937;
  --color-bg-dark: #030712;
  --color-bg-hero: linear-gradient(180deg, #111827 0%, #1F2937 100%);
  --color-surface: #1F2937;
  --color-card: #1F2937;
  --color-border: #374151;
  --color-text-primary: #F9FAFB;
  --color-text-secondary: #D1D5DB;
  --color-text-muted: #9CA3AF;
  --color-link: #60A5FA;
  --color-link-hover: #93C5FD;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg-primary: #111827;
    --color-bg-secondary: #1F2937;
    --color-bg-dark: #030712;
    --color-bg-hero: linear-gradient(180deg, #111827 0%, #1F2937 100%);
    --color-surface: #1F2937;
    --color-card: #1F2937;
    --color-border: #374151;
    --color-text-primary: #F9FAFB;
    --color-text-secondary: #D1D5DB;
    --color-text-muted: #9CA3AF;
    --color-link: #60A5FA;
    --color-link-hover: #93C5FD;
  }
}