/**
 * SixSilvas - Design System
 * Variáveis CSS para cores, tipografia e espaçamentos
 */

:root {
  /* === CORES PRIMÁRIAS === */
  --color-primary-dark: #0B3558;
  --color-primary-medium: #1F5D8F;

  /* === CORES SECUNDÁRIAS === */
  --color-secondary-green: #2E8B57;
  --color-secondary-yellow: #F2C94C;
  --color-secondary-orange: #F2994A;
  --color-secondary-blue-light: #56CCF2;

  /* === CORES NEUTRAS === */
  --color-white: #FFFFFF;
  --color-gray-light: #F5F7FA;
  --color-gray-dark: #4F4F4F;
  --color-black: #000000;

  /* === GRADIENTES === */
  /* Hero / Seções principais - Gradiente 3 cores (Azul Profundo → Azul Médio → Azul Claro) */
  --gradient-hero: linear-gradient(135deg, #0B3558 0%, #1F5D8F 50%, #56CCF2 100%);

  /* Destaque / Produtos / Inovação (Verde → Amarelo) */
  --gradient-innovation: linear-gradient(135deg, #2E8B57 0%, #F2C94C 100%);

  /* CTAs principais (Laranja → Amarelo) */
  --gradient-cta: linear-gradient(135deg, #F2994A 0%, #F2C94C 100%);

  /* Gradientes legados (manter compatibilidade) */
  --gradient-primary: var(--gradient-hero);
  --gradient-secondary: var(--gradient-innovation);
  --gradient-accent: var(--gradient-cta);

  /* === TEMA LIGHT (PADRÃO) === */
  --bg-primary: var(--color-white);
  --bg-secondary: var(--color-gray-light);
  --bg-card: var(--color-white);
  --text-primary: var(--color-gray-dark);
  --text-secondary: #666666;
  --text-inverse: var(--color-white);
  --border-color: #E0E0E0;
  --shadow-sm: 0 2px 4px rgba(11, 53, 88, 0.08);
  --shadow-md: 0 4px 12px rgba(11, 53, 88, 0.12);
  --shadow-lg: 0 8px 24px rgba(11, 53, 88, 0.16);
  --shadow-hover: 0 12px 32px rgba(11, 53, 88, 0.2);

  /* === TIPOGRAFIA === */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', system-ui, sans-serif;
  --font-secondary: 'Poppins', var(--font-primary);

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */

  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* === ESPAÇAMENTOS === */
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */

  /* === BORDAS === */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-full: 9999px;

  /* === TRANSIÇÕES === */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* === Z-INDEX === */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* === TEMA DARK === */
[data-theme="dark"] {
  --bg-primary: #0A1929;
  --bg-secondary: #132F4C;
  --bg-card: #1A2027;
  --text-primary: #E3E8EF;
  --text-secondary: #B0B8C4;
  --text-inverse: var(--color-white);
  --border-color: #2D3843;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.6);
}

/* === RESPONSIVIDADE (Breakpoints) === */
/* Mobile: < 640px */
/* Tablet: 640px - 1024px */
/* Desktop: > 1024px */