/* Art direction: OXXO Brand — Dark Navy Premium
   Palette: Deep navy (#0F1928) primary surface, white text, cyan (#00C2E0) accent
   Typography: Instrument Serif (display) + Satoshi (body) — editorial luxury
   Derived from OXXO official brand assets (Evergreen Posts / Socials 2026) */

:root, [data-theme="light"] {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* 4px Spacing System */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* OXXO Brand Surfaces — Dark Navy Foundation */
  --color-bg:             #0F1928;
  --color-surface:        #162033;
  --color-surface-2:      #1A2640;
  --color-surface-offset: #1E2D4D;
  --color-surface-offset-2: #253656;
  --color-surface-dynamic: #2C3E5F;
  --color-divider:        rgba(255, 255, 255, 0.08);
  --color-border:         rgba(255, 255, 255, 0.12);

  /* Text — White hierarchy on dark navy */
  --color-text:           #FFFFFF;
  --color-text-muted:     rgba(255, 255, 255, 0.65);
  --color-text-faint:     rgba(255, 255, 255, 0.40);
  --color-text-inverse:   #0F1928;

  /* Primary Accent — OXXO Cyan (from logo and brand assets) */
  --color-primary:        #00C2E0;
  --color-primary-hover:  #00D4F4;
  --color-primary-active: #00A8C4;
  --color-primary-highlight: rgba(0, 194, 224, 0.12);
  --color-primary-text:   #0F1928;

  /* Success */
  --color-success:        #4ade80;
  --color-success-hover:  #22c55e;
  --color-success-active: #16a34a;
  --color-success-highlight: rgba(74, 222, 128, 0.12);

  /* Error */
  --color-error:          #f87171;
  --color-error-hover:    #ef4444;
  --color-error-active:   #dc2626;
  --color-error-highlight: rgba(248, 113, 113, 0.12);

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — deeper for dark backgrounds */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.45);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Font families */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}