/**
 * Viex Design System — Design Tokens
 * Brand: charcoal field (not pure black), cool mist whites, purple accent on the X.
 */

:root {
  /* Color — Brand canvas (graphite / tech mist) */
  --viex-black: #0c0c12;
  --viex-ink: #12121a;
  --viex-surface: #1a1a24;
  --viex-surface-2: #22222e;
  --viex-surface-3: #2a2a38;
  --viex-band: #15151f;
  --viex-fog: #eceaf5;
  --viex-border: rgba(236, 234, 245, 0.11);
  --viex-border-strong: rgba(236, 234, 245, 0.22);
  --viex-white: #f5f4fa;
  --viex-muted: rgba(245, 244, 250, 0.72);
  --viex-faint: rgba(245, 244, 250, 0.48);
  --viex-sheen: linear-gradient(180deg, rgba(236, 234, 245, 0.055), transparent 42%);

  /* Purple spectrum (logo X) */
  --viex-violet-100: #ede9fe;
  --viex-violet-300: #c4b5fd;
  --viex-violet-400: #a78bfa;
  --viex-violet-500: #8b5cf6;
  --viex-violet-600: #7c3aed;
  --viex-violet-800: #5b21b6;
  --viex-grad: linear-gradient(145deg, #a78bfa 0%, #7c3aed 55%, #5b21b6 100%);
  --viex-grad-soft: linear-gradient(135deg, rgba(167, 139, 250, 0.16), rgba(91, 33, 182, 0.06));
  --viex-glow: 0 0 36px rgba(124, 58, 237, 0.28);

  /* Typography */
  --viex-font-display: "Syne", "Segoe UI", sans-serif;
  --viex-font-body: "Manrope", "Segoe UI", sans-serif;
  --viex-font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --viex-fs-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8125rem);
  --viex-fs-sm: clamp(0.875rem, 0.82rem + 0.25vw, 0.9375rem);
  --viex-fs-base: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --viex-fs-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.25rem);
  --viex-fs-xl: clamp(1.35rem, 1.15rem + 0.9vw, 1.75rem);
  --viex-fs-2xl: clamp(1.75rem, 1.35rem + 1.6vw, 2.5rem);
  --viex-fs-3xl: clamp(2.25rem, 1.6rem + 2.8vw, 3.75rem);
  --viex-fs-hero: clamp(2.75rem, 1.8rem + 4.5vw, 5.5rem);

  --viex-lh-tight: 1.05;
  --viex-lh-snug: 1.25;
  --viex-lh-body: 1.65;
  --viex-tracking-tight: -0.03em;
  --viex-tracking-wide: 0.18em;

  /* Spacing & layout */
  --viex-space-1: 0.25rem;
  --viex-space-2: 0.5rem;
  --viex-space-3: 0.75rem;
  --viex-space-4: 1rem;
  --viex-space-5: 1.5rem;
  --viex-space-6: 2rem;
  --viex-space-7: 3rem;
  --viex-space-8: 4.5rem;
  --viex-space-9: 7rem;
  --viex-container: 72rem;
  --viex-gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Shape — angular, matching logo geometry */
  --viex-radius: 2px;
  --viex-radius-lg: 4px;

  /* Motion */
  --viex-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --viex-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --viex-dur-fast: 180ms;
  --viex-dur: 420ms;
  --viex-dur-slow: 900ms;

  /* Focus (a11y) */
  --viex-focus: 0 0 0 2px var(--viex-ink), 0 0 0 4px var(--viex-violet-400);

  color-scheme: dark;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --viex-dur-fast: 1ms;
    --viex-dur: 1ms;
    --viex-dur-slow: 1ms;
  }
}