/* ========================================
   CAUCES PSICOLOGÍA — Design Tokens
   ======================================== */

:root {
  /* ── Paleta principal ── */
  --color-primary:       #4a7c6f;
  --color-primary-500:   #4a7c6f;
  --color-primary-600:   #3d6960;
  --color-primary-700:   #305249;
  --color-primary-800:   #243c35;
  --color-accent:        #c98b6b;
  --color-accent-500:    #c98b6b;
  --color-accent-600:    #b9775a;
  --color-accent-700:    #a8664a;
  --color-accent-800:    #8f5139;

  /* ── Neutros (modo claro) ── */
  --color-bg:            #faf8f5;
  --color-surface:       #ffffff;
  --color-surface-2:     #f3efe9;
  --color-text:          #2b2b28;
  --color-text-muted:    #6b6963;
  --color-border:        #e6e0d8;
  --color-border-light:  #f0ece5;

  /* ── Estados ── */
  --color-focus-ring:    #c98b6b;
  --color-success:       #3d9f5c;
  --color-error:         #c94a4a;
  --color-whatsapp:      #25D366;

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

  --fs-xs:  0.75rem;   /* 12px */
  --fs-sm:  0.875rem;  /* 14px */
  --fs-base: 1rem;      /* 16px */
  --fs-md:  1.125rem;   /* 18px */
  --fs-lg:  1.25rem;    /* 20px */
  --fs-xl:  1.5rem;     /* 24px */
  --fs-2xl: 1.875rem;   /* 30px */
  --fs-3xl: 2.375rem;   /* 38px */
  --fs-4xl: 3rem;       /* 48px */

  --lh-body: 1.65;
  --lh-heading: 1.15;

  --letter-spacing-display: -0.02em;

  /* ── Espaciado (base 4px) ── */
  --space-1: 0.25rem;   /* 4px  */
  --space-2: 0.5rem;    /* 8px  */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.5rem;    /* 24px */
  --space-6: 2rem;      /* 32px */
  --space-7: 3rem;      /* 48px */
  --space-8: 4rem;      /* 64px */
  --space-9: 6rem;      /* 96px */

  /* ── Radios ── */
  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   24px;
  --radius-full: 999px;

  /* ── Sombras ── */
  --shadow-sm:   0 1px 3px rgba(43,43,40,0.06), 0 1px 2px rgba(43,43,40,0.04);
  --shadow:      0 4px 12px rgba(43,43,40,0.08), 0 2px 4px rgba(43,43,40,0.04);
  --shadow-lg:   0 12px 40px rgba(43,43,40,0.08), 0 4px 12px rgba(43,43,40,0.04);
  --shadow-header: 0 1px 0 rgba(43,43,40,0.05), 0 8px 32px rgba(0,0,0,0.06);

  /* ── Transiciones ── */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --duration-fast: 150ms;
  --duration: 300ms;
  --duration-slow: 500ms;

  /* ── Layout ── */
  --container-max: 1200px;
  --container-padding: 1.5rem;
  --header-height: 4.5rem;
}

/* ════════════════════════════════════════
   MODO OSCURO
   ════════════════════════════════════════ */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-primary:       #5f9e8b;
    --color-primary-500:   #5f9e8b;
    --color-primary-600:   #74b09d;
    --color-accent-500:    #d49c7E;
    --color-accent:        #d49c7E;
    --color-accent-800:    #b9775a;
    --color-bg:            #1c1f1d;
    --color-surface:       #242826;
    --color-surface-2:     #2e322f;
    --color-text:          #ece9e4;
    --color-text-muted:    #a8a59f;
    --color-border:        #3d4240;
    --color-border-light:  #32372f;

    --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
    --shadow:      0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg:   0 12px 40px rgba(0,0,0,0.5);
    --shadow-header: 0 1px 0 rgba(255,255,255,0.05), 0 8px 32px rgba(0,0,0,0.4);
  }
}

[data-theme="dark"] {
  --color-primary:       #5f9e8b;
  --color-primary-500:   #5f9e8b;
  --color-primary-600:   #74b09d;
  --color-accent-500:    #d49c7E;
  --color-accent:        #d49c7E;
  --color-accent-800:    #b9775a;
  --color-bg:            #1c1f1d;
  --color-surface:       #242826;
  --color-surface-2:     #2e322f;
  --color-text:          #ece9e4;
  --color-text-muted:    #a8a59f;
  --color-border:        #3d4240;
  --color-border-light:  #32372f;

  --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
  --shadow:      0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:   0 12px 40px rgba(0,0,0,0.5);
  --shadow-header: 0 1px 0 rgba(255,255,255,0.05), 0 8px 32px rgba(0,0,0,0.4);
}