/* Art direction: Crypto trading signals platform → Dark, premium, crypto-native
   Palette: Dark near-black backgrounds, dual accent (orange-red for Alpha, electric blue for Edge)
   Typography: Clash Display (bold geometric display) + Satoshi (clean modernist body) — sharp, techy, premium fintech
   Density: spacious — premium landing page with breathing room */

:root {
  /* Type Scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* 4px Spacing System */
  --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;

  /* Font families */
  --font-display: 'Clash Display', 'Arial Black', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;

  /* NEXORIA COLOR SYSTEM — Dark crypto-native aesthetic */
  /* Surfaces (near-black, cold-tinted) */
  --color-bg:             #0A0B0F;
  --color-surface:        #12131A;
  --color-surface-2:      #1A1B25;
  --color-surface-3:      #22232F;
  --color-surface-offset: #0E0F14;
  --color-divider:        rgba(255, 255, 255, 0.08);
  --color-border:         rgba(255, 255, 255, 0.1);

  /* Text */
  --color-text:           #F5F5F5;
  --color-text-muted:     #8A8A9A;
  --color-text-faint:     #4A4A5A;
  --color-text-inverse:   #0A0B0F;

  /* Alpha Accent (hot orange-red) */
  --color-alpha:          #FF4500;
  --color-alpha-light:    #FF6B35;
  --color-alpha-hover:    #FF5722;
  --color-alpha-glow:     rgba(255, 69, 0, 0.15);
  --color-alpha-subtle:   rgba(255, 69, 0, 0.08);

  /* Edge Accent (electric blue) */
  --color-edge:           #00A3FF;
  --color-edge-light:     #33B5FF;
  --color-edge-hover:     #0088DD;
  --color-edge-glow:      rgba(0, 163, 255, 0.15);
  --color-edge-subtle:    rgba(0, 163, 255, 0.08);

  /* VIP Accent (gold) */
  --color-vip:            #FFB800;
  --color-vip-light:      #FFCC33;
  --color-vip-glow:       rgba(255, 184, 0, 0.15);

  /* Semantic */
  --color-success:        #22C55E;
  --color-error:          #EF4444;
  --color-warning:        #F59E0B;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.25rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows (dark mode optimized) */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;
}