/* ==========================================================================
   NODUS HUB — Design Tokens
   Brand: Dark Gold | Premium Tech
   Identidade: Montserrat + Inter | Dourado fosco + Preto puro
   ========================================================================== */

:root {
  /* ---- Brand Colors — Nodus Amber (oficial 2026) ---- */
  --color-primary: #C9830A;
  --color-primary-rgb: 201, 131, 10;
  --color-primary-dark: #a86a00;
  --color-primary-light: #F5D89A;
  --color-primary-vivid: #E09412;     /* hover/destaque */

  /* ---- Nodus Official Palette ---- */
  --nodus-amber:        #C9830A;
  --nodus-amber-hover:  #E09412;
  --nodus-amber-light:  #F5D89A;
  --nodus-amber-subtle: rgba(201,131,10,0.12);
  --nodus-bg:           #09090b;
  --nodus-surface:      #18181b;
  --nodus-text:         #F5F0E8;
  --nodus-text-2:       #A8A09A;
  --nodus-text-muted:   #6B6560;

  /* ---- Neutral / Dark Palette ---- */
  --color-black: #000000;
  --color-bg: #060606;
  --color-bg-elevated: #0a0a0a;
  --color-bg-card: #0e0e0e;
  --color-bg-card-hover: #141414;
  --color-border: #1e1e1e;
  --color-border-light: #2a2a2a;
  --color-border-gold: rgba(201, 131, 10, 0.2);

  /* ---- Text ---- */
  --color-text: #F5F0E8;              /* off-white quente, não puro branco */
  --color-text-secondary: #8a8278;
  --color-text-muted: #4a4540;
  --color-text-on-primary: #0a0a0a;

  /* ---- Semantic ---- */
  --color-success: #4ade80;
  --color-error: #f87171;
  --color-warning: #E09412;
  --color-info: #60a5fa;

  /* ---- Glow Effect ---- */
  --glow-sm: 0 0 12px rgba(var(--color-primary-rgb), 0.25);
  --glow-md: 0 0 24px rgba(var(--color-primary-rgb), 0.3);
  --glow-lg: 0 0 48px rgba(var(--color-primary-rgb), 0.2), 0 0 96px rgba(var(--color-primary-rgb), 0.1);
  --glow-text: 0 0 24px rgba(var(--color-primary-rgb), 0.4);

  /* ---- Accent (gradiente dourado) ---- */
  --gradient-gold: linear-gradient(135deg, #F5D89A 0%, #C9830A 50%, #a86a00 100%);
  --gradient-gold-text: linear-gradient(90deg, #F5D89A 0%, #C9830A 60%, #E09412 100%);

  /* ---- Typography ---- */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Montserrat', 'Inter', sans-serif;   /* headers e logo */
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --text-xs: clamp(0.7rem, 0.8vw, 0.75rem);
  --text-sm: clamp(0.8rem, 0.9vw, 0.875rem);
  --text-base: clamp(0.9rem, 1vw, 1rem);
  --text-lg: clamp(1.05rem, 1.2vw, 1.125rem);
  --text-xl: clamp(1.15rem, 1.4vw, 1.25rem);
  --text-2xl: clamp(1.4rem, 2vw, 1.5rem);
  --text-3xl: clamp(1.7rem, 2.5vw, 1.875rem);
  --text-4xl: clamp(2rem, 3.5vw, 2.25rem);
  --text-5xl: clamp(2.5rem, 5vw, 3rem);
  --text-6xl: clamp(3rem, 6vw, 3.75rem);
  --text-hero: clamp(2.8rem, 7vw, 5rem);

  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* ---- Spacing ---- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ---- Layout ---- */
  --container-max: 1200px;
  --container-narrow: 800px;
  --container-wide: 1400px;
  --container-padding: var(--space-6);

  /* ---- Border Radius ---- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* ---- Transitions ---- */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  /* ---- Z-Index ---- */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
  --z-toast: 500;
}