/* ============================================
   DESIGN TOKENS — softwareparanutriologos.com
   ============================================ */

:root {
  /* ── Primary: Verde Salud Sofisticado ── */
  --color-primary-50: hsl(160, 60%, 96%);
  --color-primary-100: hsl(160, 55%, 90%);
  --color-primary-200: hsl(158, 50%, 78%);
  --color-primary-300: hsl(158, 52%, 62%);
  --color-primary-400: hsl(158, 58%, 48%);
  --color-primary: hsl(158, 64%, 38%);
  --color-primary-600: hsl(158, 68%, 30%);
  --color-primary-700: hsl(158, 72%, 24%);
  --color-primary-800: hsl(158, 75%, 18%);
  --color-primary-900: hsl(158, 78%, 12%);

  /* ── Secondary: Azul Confianza ── */
  --color-secondary-50: hsl(217, 70%, 96%);
  --color-secondary-100: hsl(217, 65%, 90%);
  --color-secondary-200: hsl(217, 60%, 80%);
  --color-secondary-300: hsl(217, 58%, 68%);
  --color-secondary: hsl(217, 71%, 53%);
  --color-secondary-600: hsl(217, 75%, 42%);
  --color-secondary-700: hsl(217, 78%, 34%);

  /* ── Accent: Ámbar Cálido ── */
  --color-accent-50: hsl(38, 95%, 96%);
  --color-accent-100: hsl(38, 90%, 88%);
  --color-accent: hsl(38, 92%, 50%);
  --color-accent-600: hsl(32, 95%, 44%);

  /* ── Semantic ── */
  --color-success: hsl(152, 60%, 42%);
  --color-warning: hsl(38, 92%, 50%);
  --color-error: hsl(0, 72%, 56%);
  --color-info: hsl(217, 71%, 53%);

  /* ── Star Rating ── */
  --color-star: hsl(45, 100%, 51%);
  --color-star-empty: hsl(220, 10%, 82%);

  /* ── Neutrales (Light Mode) ── */
  --color-bg: hsl(210, 20%, 98%);
  --color-bg-alt: hsl(210, 18%, 95%);
  --color-surface: hsl(0, 0%, 100%);
  --color-surface-hover: hsl(210, 15%, 97%);
  --color-surface-elevated: hsl(0, 0%, 100%);
  --color-border: hsl(220, 13%, 90%);
  --color-border-light: hsl(220, 13%, 94%);
  --color-text: hsl(220, 20%, 14%);
  --color-text-secondary: hsl(220, 12%, 40%);
  --color-text-muted: hsl(220, 10%, 56%);
  --color-text-inverse: hsl(0, 0%, 100%);

  /* ── Tipografía ── */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --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: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  --leading-tight: 1.2;
  --leading-snug: 1.35;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* ── Spacing (4px base unit) ── */
  --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 */
  --space-32: 8rem;     /* 128px */

  /* ── Border Radius ── */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px hsla(158, 64%, 38%, 0.15);
  --shadow-glow-strong: 0 0 40px hsla(158, 64%, 38%, 0.25);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06), 0 0 1px rgba(0, 0, 0, 0.1);
  --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.1), 0 0 1px rgba(0, 0, 0, 0.1);

  /* ── Transitions ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
  --duration-slower: 600ms;

  /* ── Z-index Scale ── */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;

  /* ── Layout ── */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --header-height: 72px;
  --sidebar-width: 260px;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --color-bg: hsl(220, 22%, 8%);
  --color-bg-alt: hsl(220, 20%, 11%);
  --color-surface: hsl(220, 18%, 13%);
  --color-surface-hover: hsl(220, 16%, 16%);
  --color-surface-elevated: hsl(220, 16%, 16%);
  --color-border: hsl(220, 14%, 22%);
  --color-border-light: hsl(220, 14%, 18%);
  --color-text: hsl(210, 20%, 93%);
  --color-text-secondary: hsl(215, 12%, 65%);
  --color-text-muted: hsl(215, 10%, 48%);

  --color-primary-50: hsl(160, 40%, 12%);
  --color-primary-100: hsl(160, 45%, 18%);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2), 0 0 1px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.3), 0 0 1px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px hsla(158, 64%, 38%, 0.2);
  --shadow-glow-strong: 0 0 40px hsla(158, 64%, 38%, 0.35);
}