:root {
  /* Brand palette — Alto Voltaje: crisp white base, navy ink, electric orange accent */
  --color-bg: #F4F7FA;
  --color-surface: #FFFFFF;
  --color-surface-2: #EAF0F6;
  --color-ink: #0B2338;
  --color-ink-soft: #35526B;
  --color-ink-faint: #7C93A6;
  --color-border: #DCE6EE;
  --color-accent: #FF5A00;
  --color-accent-dark: #C94500;
  --color-accent-soft: #FFE7D6;
  --color-success: #1E8E4F;
  --color-danger: #D6392B;
  --color-danger-soft: #FBEAE7;
  --color-overlay: rgba(4, 16, 28, 0.6);

  /* Brand navy — header, footer, high-authority surfaces */
  --color-navy: #0B2A47;
  --color-navy-soft: #13385F;

  /* Reserved exclusively for the purchase action (WhatsApp) — never decorative */
  --color-cta: #25D366;
  --color-cta-dark: #1DA851;
  --color-cta-soft: #E3F9EC;

  --font-display: 'Oswald', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-script: 'Inter', sans-serif;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 10px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 1px rgba(11, 35, 56, 0.05);
  --shadow-md: 0 2px 8px rgba(11, 35, 56, 0.08);
  --shadow-lg: 0 8px 28px rgba(11, 35, 56, 0.14);
  --shadow-float: 0 6px 18px rgba(37, 211, 102, 0.28);

  --header-h: 60px;
  --navbar-h: 64px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 160ms;
  --dur-med: 280ms;
  --dur-slow: 420ms;

  --container: 560px;
  --container-wide: 560px;
}

@media (min-width: 900px) {
  :root {
    --container-wide: 1360px;
    --header-h: 72px;
  }
}

:root[data-theme="dark"] {
  --color-bg: #081522;
  --color-surface: #0D1F31;
  --color-surface-2: #13293E;
  --color-ink: #EAF1F7;
  --color-ink-soft: #B9CBDA;
  --color-ink-faint: #7C93A6;
  --color-border: #1E3A52;
  --color-accent: #FF7A33;
  --color-accent-dark: #FF9459;
  --color-accent-soft: #2A2013;
  --color-navy: #0B2A47;
  --color-navy-soft: #13385F;
  --color-cta: #2FE07A;
  --color-cta-dark: #25D366;
  --color-cta-soft: #123322;
  --color-overlay: rgba(0, 0, 0, 0.7);
}

/* Auto dark mode disabled on purpose — the store always shows the crisp
   navy-and-white theme regardless of OS or browser preference. Explicit
   data-theme="dark" still works if ever wired up to a toggle. */