/* ===========================
   DESIGN TOKENS — Velnafa
   Dark mode (default) + Light mode
   =========================== */

/* ---- Dark Mode (default) ---- */
:root,
[data-theme="dark"] {
  /* ---- Colors ---- */
  --color-black:        #0A0A0A;
  --color-black-soft:   #111111;
  --color-black-mid:    #1A1A1A;
  --color-black-light:  #222222;
  --color-white:        #FFFFFF;
  --color-white-soft:   #F5F5F5;
  --color-gray-100:     #E8E8E8;
  --color-gray-200:     #CFCFCF;
  --color-gray-300:     #B0B0B0;
  --color-gray-400:     #8A8A8A;
  --color-gray-500:     #7A7A7A;
  --color-gray-600:     #5A5A5A;
  --color-gray-700:     #3A3A3A;
  --color-gray-800:     #2A2A2A;
  --color-accent:       #4F46E5;
  --color-accent-light: #6366f1;
  --color-accent-dim:   rgba(79, 70, 229, 0.12);

  /* ---- Semantic Colors (Dark) ---- */
  --bg-primary:         var(--color-black);
  --bg-secondary:       var(--color-black-soft);
  --bg-card:            var(--color-black-mid);
  --bg-card-hover:      var(--color-black-light);
  --text-primary:       var(--color-white);
  --text-secondary:     var(--color-gray-400);
  --text-muted:         var(--color-gray-600);
  --border-subtle:      var(--color-gray-800);
  --border-default:     var(--color-gray-700);
  --border-accent:      var(--color-gray-500);
  --loader-bg:          var(--color-black);

  /* ---- Typography ---- */
  --font-primary:   'Inter', 'Manrope', system-ui, -apple-system, sans-serif;
  --font-display:   'Manrope', 'Inter', system-ui, -apple-system, sans-serif;

  --text-xs:    0.75rem;     /* 12px */
  --text-sm:    0.875rem;    /* 14px */
  --text-base:  1rem;        /* 16px */
  --text-md:    1.125rem;    /* 18px */
  --text-lg:    1.25rem;     /* 20px */
  --text-xl:    1.5rem;      /* 24px */
  --text-2xl:   2rem;        /* 32px */
  --text-3xl:   2.5rem;      /* 40px */
  --text-4xl:   3rem;        /* 48px */
  --text-5xl:   3.75rem;     /* 60px */
  --text-6xl:   4.5rem;      /* 72px */
  --text-7xl:   5.5rem;      /* 88px */
  --text-8xl:   7rem;        /* 112px */

  --weight-light:    300;
  --weight-regular:  400;
  --weight-medium:   500;
  --weight-semibold: 600;
  --weight-bold:     700;
  --weight-extrabold: 800;
  --weight-black:    900;

  --leading-tight:   1.1;
  --leading-snug:    1.25;
  --leading-normal:  1.5;
  --leading-relaxed: 1.7;

  --tracking-tight:  -0.04em;
  --tracking-snug:   -0.02em;
  --tracking-normal:  0;
  --tracking-wide:    0.05em;
  --tracking-widest:  0.15em;

  /* ---- Spacing ---- */
  --space-1:   0.25rem;   /* 4px */
  --space-2:   0.5rem;    /* 8px */
  --space-3:   0.75rem;   /* 12px */
  --space-4:   1rem;      /* 16px */
  --space-5:   1.25rem;   /* 20px */
  --space-6:   1.5rem;    /* 24px */
  --space-8:   2rem;      /* 32px */
  --space-10:  2.5rem;    /* 40px */
  --space-12:  3rem;      /* 48px */
  --space-16:  4rem;      /* 64px */
  --space-20:  5rem;      /* 80px */
  --space-24:  6rem;      /* 96px */
  --space-32:  8rem;      /* 128px */
  --space-40:  10rem;     /* 160px */

  /* ---- Layout ---- */
  --container-max:  1280px;
  --container-mid:  960px;
  --nav-height:     72px;
  --section-py:     var(--space-32);

  /* ---- Borders ---- */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-2xl:  32px;
  --radius-full: 9999px;

  /* ---- Shadows ---- */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.6);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.6);
  --shadow-xl:   0 20px 60px rgba(0,0,0,0.7);
  --shadow-glow: 0 0 40px rgba(79, 70, 229, 0.15);

  /* ---- Transitions ---- */
  --ease-smooth:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce:   cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expo:     cubic-bezier(0.87, 0, 0.13, 1);
  --ease-elegant:  cubic-bezier(0.16, 1, 0.3, 1);

  --duration-fast:   150ms;
  --duration-base:   250ms;
  --duration-slow:   400ms;
  --duration-slower: 600ms;
  --duration-sluggish: 900ms;

  /* ---- Z-index ---- */
  --z-base:    0;
  --z-raised:  10;
  --z-sticky:  100;
  --z-overlay: 200;
  --z-modal:   300;
  --z-cursor:  9999;
  --z-loader:  10000;
}

/* ---- Light Mode ---- */
[data-theme="light"] {
  --bg-primary:         #FFFFFF;
  --bg-secondary:       #F5F5F5;
  --bg-card:            #EFEFEF;
  --bg-card-hover:      #E5E5E5;
  --text-primary:       #0A0A0A;
  --text-secondary:     #3A3A3A;
  --text-muted:         #7A7A7A;
  --border-subtle:      #E0E0E0;
  --border-default:     #CFCFCF;
  --border-accent:      #AAAAAA;
  --loader-bg:          #FFFFFF;
  --color-black:        #0A0A0A;
  --color-white:        #FFFFFF;
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.12);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.12);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.15);
  --shadow-xl:   0 20px 60px rgba(0,0,0,0.18);
}