/* ==========================================================================
   Design tokens — Daniel Luis Popa Oltra · Nutrición Estratégica
   Colores extraídos del logo oficial (Marca/Logotipos/Logotipo Original.png)
   ========================================================================== */

:root {
  /* --- Marca --- */
  --color-green-900: #0F332A;
  --color-green-800: #133F34;
  --color-green-700: #174D40;
  --color-green-600: #1D5E4E;
  --color-green-500: #26765F;
  --color-green-100: #E4EFEA;
  --color-green-50:  #F2F8F5;

  --color-teal-700: #144344;
  --color-teal-600: #1A5253;
  --color-teal-500: #226A6B;
  --color-teal-50:  #EAF4F3;

  --color-gold-700: #8C6127;
  --color-gold-600: #A97536;
  --color-gold-500: #C08A3E;
  --color-gold-300: #D4AF6A;
  --color-gold-100: #F3E7D2;

  --color-charcoal-900: #0E1210;
  --color-charcoal-800: #161C19;
  --color-charcoal-700: #212824;

  --color-ink: #1B211E;
  --color-ink-soft: #4B5551;
  --color-mist: #6E7975;
  --color-line: #DFE6E2;
  --color-surface: #FFFFFF;
  --color-surface-alt: #F7F9F8;
  --color-cream: #FBF9F5;

  --color-danger: #B3432F;
  --color-success: #2F7A55;

  /* --- Roles semánticos --- */
  --color-primary: var(--color-green-700);
  --color-primary-dark: var(--color-green-900);
  --color-primary-light: var(--color-green-100);
  --color-accent: var(--color-gold-600);
  --color-accent-light: var(--color-gold-300);
  --color-secondary: var(--color-teal-600);

  --color-bg: var(--color-surface);
  --color-bg-alt: var(--color-surface-alt);
  --color-text: var(--color-ink);
  --color-text-soft: var(--color-ink-soft);
  --color-text-muted: var(--color-mist);
  --color-border: var(--color-line);

  /* --- Tipografía --- */
  --font-display: "Fraunces", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --fs-2xs: 0.75rem;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 2.875rem;
  --fs-4xl: 3.5rem;

  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-normal: 1.6;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* --- Espaciado (escala 4px) --- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --space-11: 6.5rem;
  --space-12: 8rem;

  /* --- Contenedores --- */
  --container-max: 1180px;
  --container-narrow: 760px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  /* --- Bordes y radios --- */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --border-width: 1px;

  /* --- Sombras --- */
  --shadow-sm: 0 1px 2px rgba(15, 30, 24, 0.06), 0 1px 1px rgba(15, 30, 24, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 30, 24, 0.08), 0 2px 6px rgba(15, 30, 24, 0.06);
  --shadow-lg: 0 20px 48px rgba(15, 30, 24, 0.14), 0 6px 16px rgba(15, 30, 24, 0.08);
  --shadow-focus: 0 0 0 3px rgba(201, 143, 63, 0.45);

  /* --- Transiciones --- */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 260ms;
  --duration-slow: 480ms;

  /* --- Capas --- */
  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;
  --z-toast: 400;

  --header-height: 76px;
}

@media (min-width: 768px) {
  :root {
    --header-height: 84px;
  }
}