/* ==========================================================================
   CONVIVE — Design Tokens
   Paleta: blancos / gris claro / azules suaves / verde agua / violeta sutil
   ========================================================================== */

:root {
  /* ---- Color: superficie & neutrales ---- */
  --c-white:        #ffffff;
  --c-surface:      #fbfcfe;
  --c-surface-2:    #f4f6fa;
  --c-surface-3:    #eef1f7;
  --c-border:       #e3e8f0;
  --c-border-soft:  #edf0f5;

  /* ---- Color: texto ---- */
  --c-ink-900:      #12172b;
  --c-ink-700:      #333c56;
  --c-ink-500:      #616b85;
  --c-ink-400:      #8991a8;
  --c-ink-300:      #aab1c4;

  /* ---- Color: marca ---- */
  --c-blue-600:     #3d63dd;
  --c-blue-500:     #5b7fef;
  --c-blue-100:     #e7edfd;
  --c-aqua-600:     #16a394;
  --c-aqua-500:     #2ec4b6;
  --c-aqua-100:     #e2f7f4;
  --c-violet-500:   #8b7cf6;
  --c-violet-100:   #efeaff;

  /* ---- Gradientes ---- */
  --g-brand: linear-gradient(135deg, var(--c-blue-500) 0%, var(--c-aqua-500) 55%, var(--c-violet-500) 100%);
  --g-soft:  linear-gradient(180deg, rgba(91,127,239,0.08) 0%, rgba(46,196,182,0.06) 50%, rgba(139,124,246,0.05) 100%);
  --g-mesh:  radial-gradient(60% 60% at 15% 10%, rgba(91,127,239,0.16) 0%, rgba(91,127,239,0) 60%),
             radial-gradient(50% 50% at 85% 0%, rgba(46,196,182,0.16) 0%, rgba(46,196,182,0) 60%),
             radial-gradient(60% 60% at 50% 100%, rgba(139,124,246,0.12) 0%, rgba(139,124,246,0) 60%);
  --g-text:  linear-gradient(100deg, var(--c-ink-900) 30%, var(--c-blue-600) 60%, var(--c-aqua-600) 90%);

  /* ---- Tipografía ---- */
  --font-sans: -apple-system, "SF Pro Text", "Segoe UI Variable", "Segoe UI", "Inter", system-ui,
               Roboto, Helvetica, Arial, sans-serif;
  --font-display: -apple-system, "SF Pro Display", "Segoe UI Variable", "Segoe UI", "Inter", system-ui,
               Roboto, Helvetica, Arial, sans-serif;

  --fs-xs:   0.8125rem;
  --fs-sm:   0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md:   1.1875rem;
  --fs-lg:   1.375rem;
  --fs-xl:   1.75rem;
  --fs-2xl:  2.25rem;
  --fs-3xl:  3rem;
  --fs-4xl:  3.75rem;
  --fs-hero: clamp(2.6rem, 5.2vw, 4.6rem);

  --lh-tight: 1.1;
  --lh-snug:  1.3;
  --lh-normal: 1.6;

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

  /* ---- Espaciado ---- */
  --sp-3xs: 0.25rem;
  --sp-2xs: 0.5rem;
  --sp-xs:  0.75rem;
  --sp-sm:  1rem;
  --sp-md:  1.5rem;
  --sp-lg:  2rem;
  --sp-xl:  3rem;
  --sp-2xl: 4.5rem;
  --sp-3xl: 6.5rem;
  --sp-4xl: 9rem;

  /* ---- Layout ---- */
  --container-w: 1200px;
  --container-pad: clamp(1.25rem, 4vw, 2.5rem);

  /* ---- Bordes ---- */
  --radius-sm:  10px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --radius-full: 999px;

  /* ---- Sombras ---- */
  --shadow-xs: 0 1px 2px rgba(18, 23, 43, 0.04);
  --shadow-sm: 0 2px 8px rgba(18, 23, 43, 0.06);
  --shadow-md: 0 8px 24px rgba(18, 23, 43, 0.08);
  --shadow-lg: 0 16px 48px rgba(18, 23, 43, 0.10);
  --shadow-glow: 0 0 0 1px rgba(91,127,239,0.08), 0 12px 32px rgba(91,127,239,0.14);

  /* ---- Glassmorphism (sutil) ---- */
  --glass-bg: rgba(255, 255, 255, 0.66);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: 18px;

  /* ---- Transiciones ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 180ms;
  --dur-base: 320ms;
  --dur-slow: 620ms;

  /* ---- Z-index ---- */
  --z-nav: 100;
  --z-overlay: 200;
  --z-modal: 300;
}