/* ─────────────────────────────────────────────────────────────────────
   DTA Funnel — Design Tokens · "Synthwave Atelier"
   Purple-tech-modern. Electric violet noir base, plasma & cyan accents,
   asymmetric grid, brutalist editorial type. No SaaS purple-gradient slop.
   ───────────────────────────────────────────────────────────────────── */

:root {
  /* ── Palette ──────────────────────────────────────────────────────── */
  /* Base — deep noir with violet-blue undertone (NOT pure black, NOT lavender) */
  --noir-1000: #07060f;
  --noir-900:  #0c0a18;
  --noir-800:  #14102a;
  --noir-700:  #1d1840;
  --noir-600:  #2a2358;
  --noir-500:  #3a2f78;

  /* Bright surfaces (pseudo-paper for contrast moments) */
  --paper:     #f5f1ff;          /* tinted off-white */
  --paper-2:   #ece5ff;

  /* Type colors */
  --bone-100:  #ECE7FF;          /* primary text — slightly violet warm */
  --bone-200:  #B9B0E0;          /* secondary */
  --bone-300:  #7E739F;          /* tertiary */
  --bone-400:  #4F476A;          /* faint */

  /* Lines */
  --line:        rgba(236, 231, 255, 0.10);
  --line-strong: rgba(236, 231, 255, 0.22);
  --line-violet: rgba(154, 92, 255, 0.32);

  /* THREE conversion accents — used surgically, not as gradients */
  --violet-500: #7B2FFF;         /* primary brand voltage */
  --violet-400: #9A5CFF;
  --violet-300: #B789FF;
  --violet-glow: rgba(154, 92, 255, 0.32);

  --plasma-500: #FF2BD6;         /* CTA / scarcity / "the click moment" */
  --plasma-400: #FF6FE3;
  --plasma-glow: rgba(255, 43, 214, 0.40);

  --cyan-500:   #00E0FF;         /* signal / data / numbers */
  --cyan-400:   #66ECFF;
  --cyan-glow:  rgba(0, 224, 255, 0.32);

  /* Semantic */
  --bg:           var(--noir-900);
  --bg-deep:      var(--noir-1000);
  --surface:      var(--noir-800);
  --surface-2:    var(--noir-700);
  --text:         var(--bone-100);
  --text-bright:  #ffffff;
  --text-muted:   var(--bone-200);
  --text-subtle:  var(--bone-300);
  --text-faint:   var(--bone-400);

  --accent:       var(--violet-500);
  --accent-hot:   var(--violet-300);
  --signal:       var(--cyan-500);
  --conversion:   var(--plasma-500);

  /* ── Typography ───────────────────────────────────────────────────── */
  /* Boldonse — funky display serif (not common, has personality)
     Instrument Serif — refined italic moments (alt: keep low usage)
     Geist — modern sans for body, ships variable weight, distinctive
     JetBrains Mono — chrome / data callouts */
  --font-display: "Boldonse", "Times New Roman", serif;
  --font-italic:  "Instrument Serif", Georgia, serif;
  --font-body:    "Geist", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "Cascadia Mono", monospace;

  /* Fluid type scale */
  --fs-mono-xs: clamp(0.6875rem, 0.66rem + 0.14vw, 0.75rem);
  --fs-mono-sm: clamp(0.75rem, 0.72rem + 0.14vw, 0.8125rem);
  --fs-body-sm: clamp(0.9375rem, 0.9rem + 0.18vw, 1rem);
  --fs-body:    clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --fs-body-lg: clamp(1.125rem, 1.05rem + 0.4vw, 1.375rem);
  --fs-h4:      clamp(1.25rem, 1.1rem + 0.6vw, 1.625rem);
  --fs-h3:      clamp(1.625rem, 1.4rem + 1vw, 2.25rem);
  --fs-h2:      clamp(2rem, 1.6rem + 2vw, 3.25rem);
  --fs-h1:      clamp(2.75rem, 1.8rem + 5vw, 6rem);
  --fs-display: clamp(4rem, 2rem + 9vw, 11rem);

  --lh-tight: 0.92;
  --lh-display: 1.0;
  --lh-snug: 1.1;
  --lh-body: 1.55;

  --tracking-display: -0.04em;
  --tracking-tight: -0.02em;
  --tracking-mono: 0.04em;
  --tracking-mono-wide: 0.18em;

  /* ── Space ────────────────────────────────────────────────────────── */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;
  --space-11: 11rem;

  --container-max: 1320px;
  --content-max: 720px;
  --grid-gap: clamp(1rem, 3vw, 2rem);

  /* ── Motion ───────────────────────────────────────────────────────── */
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-precise: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast: 200ms;
  --dur: 380ms;
  --dur-slow: 700ms;
  --dur-reveal: 1100ms;

  /* ── Effects ───────────────────────────────────────────────────────── */
  --glow-violet: 0 0 0 1px rgba(154, 92, 255, 0.4), 0 12px 40px -8px var(--violet-glow);
  --glow-plasma: 0 0 0 1px rgba(255, 43, 214, 0.5), 0 18px 50px -12px var(--plasma-glow);
  --glow-cyan: 0 0 0 1px rgba(0, 224, 255, 0.5), 0 12px 32px -8px var(--cyan-glow);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-fast: 0ms; --dur: 0ms; --dur-slow: 0ms; --dur-reveal: 0ms;
  }
}