/* ==========================================================================
   Design Tokens — WF Aduanas
   Single source of truth for colors, typography, spacing, and layout.
   ========================================================================== */

/* --- Font Faces --- */

@font-face {
  font-family: 'Plus Jakarta Sans';
  src: url('../assets/fonts/plus-jakarta-sans.woff2') format('woff2');
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('../assets/fonts/inter.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* --- Colors --- */
  --color-navy: #0A1628;
  --color-navy-light: #0F1F35;
  --color-blue: #1B3A6B;
  --color-blue-light: #254D8E;
  --color-lime: #A8D400;
  --color-lime-hover: #92BA00;
  --color-green: #5B9A2F;
  --color-orange: #D4842A;
  --color-white: #FFFFFF;
  --color-dark: #1A1A2E;
  --color-light-bg: #F5F7FA;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;

  /* Semantic */
  --color-text-primary: var(--color-dark);
  --color-text-secondary: var(--color-gray-600);
  --color-text-light: var(--color-white);
  --color-text-muted: var(--color-gray-400);
  --color-bg-primary: var(--color-white);
  --color-bg-secondary: var(--color-light-bg);
  --color-bg-dark: var(--color-navy);
  --color-accent: var(--color-lime);
  --color-accent-hover: var(--color-lime-hover);

  /* --- Typography --- */
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);     /* 12-13px */
  --text-sm: clamp(0.8125rem, 0.775rem + 0.25vw, 0.875rem);   /* 13-14px */
  --text-base: clamp(0.9375rem, 0.9rem + 0.25vw, 1rem);       /* 15-16px */
  --text-lg: clamp(1.0625rem, 1rem + 0.375vw, 1.125rem);      /* 17-18px */
  --text-xl: clamp(1.1875rem, 1.1rem + 0.5vw, 1.3125rem);     /* 19-21px */
  --text-2xl: clamp(1.4375rem, 1.3rem + 0.75vw, 1.75rem);     /* 23-28px */
  --text-3xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.25rem);       /* 28-36px */
  --text-4xl: clamp(2.125rem, 1.75rem + 1.875vw, 3rem);       /* 34-48px */
  --text-5xl: clamp(2.5rem, 2rem + 2.5vw, 3.75rem);           /* 40-60px */

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.65;

  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;
  --letter-spacing-wider: 0.1em;

  /* --- Spacing (8px system) --- */
  --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 */

  /* Section spacing */
  --section-padding-y: clamp(3rem, 2.5rem + 3vw, 6rem);

  /* --- Layout --- */
  --container-max: 1340px;
  --container-padding: var(--space-6);
  --navbar-height: 88px;

  /* --- Border Radius --- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Z-Index Scale --- */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-fab: 500;
  --z-toast: 600;
}