/* ═══════════════════════════════════════════════════════════════
   PERSONAGEN — Design System Tokens
   Single source of truth for both index.html and client-onboarding.html
   Both pages link this file first.
   ═══════════════════════════════════════════════════════════════ */

:root {

  /* ── Colour: Backgrounds ── */
  --bg:        #06060b;
  --surface:   #0e0e16;
  --surface-2: #161622;
  --surface-3: #1e1e2e;

  /* ── Colour: Borders ── */
  --border:       rgba(255,255,255,0.05);
  --border-hover: rgba(124,106,237,0.25);
  --border-strong: rgba(255,255,255,0.10);

  /* ── Colour: Text ── */
  --text:       #e8e6f0;
  --text-muted: #7a7890;
  --text-dim:   #5a5870;

  /* ── Colour: Accent (primary — purple) ── */
  --accent:      #7c6aed;
  --accent-soft: rgba(124,106,237,0.12);
  --accent-mid:  rgba(124,106,237,0.25);

  /* ── Colour: Cyan ── */
  --cyan:      #22d3ee;
  --cyan-soft: rgba(34,211,238,0.10);
  --cyan-mid:  rgba(34,211,238,0.20);

  /* ── Colour: Gold ── */
  --gold:      #d4a853;
  --gold-soft: rgba(212,168,83,0.10);

  /* ── Colour: Success / Green ── */
  --success:      #34d399;
  --success-soft: rgba(52,211,153,0.10);

  /* ── Colour: Rose / Pink ── */
  --rose:      #f472b6;
  --rose-soft: rgba(244,114,182,0.10);

  /* ── Colour: Gradients ── */
  --gradient:        linear-gradient(135deg, var(--accent), var(--cyan));
  --gradient-warm:   linear-gradient(135deg, var(--rose), var(--gold));
  --gradient-full:   linear-gradient(135deg, var(--accent) 0%, var(--cyan) 50%, var(--rose) 100%);
  --gradient-subtle: linear-gradient(135deg, var(--accent), #6366f1);

  /* ── Typography: Font Families ── */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  /* ── Typography: Type Scale ── */
  --text-xs:   0.65rem;   /* 10.4px — labels, captions, mono tags */
  --text-sm:   0.75rem;   /* 12px   — eyebrows, meta */
  --text-base: 0.875rem;  /* 14px   — body small */
  --text-md:   1rem;      /* 16px   — body */
  --text-lg:   1.15rem;   /* 18.4px — card titles */
  --text-xl:   1.5rem;    /* 24px   — section headings */
  --text-2xl:  2rem;      /* 32px   — CTA headings */
  --text-3xl:  clamp(1.9rem, 3.5vw, 2.6rem);  /* section titles — responsive */
  --text-hero: clamp(2.4rem, 5.5vw, 4.2rem);  /* hero h1 — responsive */

  /* ── Typography: Line Heights ── */
  --leading-tight:  1.15;
  --leading-snug:   1.35;
  --leading-normal: 1.6;
  --leading-relaxed:1.7;
  --leading-loose:  1.85;

  /* ── Typography: Letter Spacing ── */
  --tracking-tight:  -0.03em;
  --tracking-normal: 0;
  --tracking-wide:   0.06em;
  --tracking-wider:  0.10em;
  --tracking-widest: 0.12em;

  /* ── Typography: Font Weights ── */
  --weight-light:   300;
  --weight-normal:  400;
  --weight-medium:  500;
  --weight-semi:    600;
  --weight-bold:    700;

  /* ── Shape: Border Radius ── */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius:    16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* ── Spacing Scale ── */
  --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 */

  /* ── Layout: Container Widths ── */
  --container-sm:  640px;
  --container-md:  880px;   /* portal editorial column */
  --container-lg:  1080px;
  --container-xl:  1200px;  /* demo full-bleed */
  --container-2xl: 1320px;

  /* ── Layout: Grid Gaps ── */
  --gap-sm:  0.75rem;
  --gap-md:  1.25rem;
  --gap-lg:  1.5rem;
  --gap-xl:  2rem;

  /* ── Layout: Section Padding ── */
  --section-py: 5rem;         /* vertical section padding */
  --section-py-sm: 3.5rem;    /* mobile */

  /* ── Shadows ── */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.15);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.25);
  --shadow-lg:  0 8px 40px rgba(0,0,0,0.35);
  --shadow-accent: 0 0 30px rgba(124,106,237,0.15);
  --shadow-cyan:   0 0 30px rgba(34,211,238,0.12);
  --shadow-glow:   0 0 60px rgba(124,106,237,0.08);

  /* ── Transitions ── */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.4, 0, 1, 1);
  --ease-std:   0.3s ease;
  --ease-fast:  0.15s ease;
  --ease-slow:  0.5s ease;

  /* ── Z-Index Scale ── */
  --z-base:    0;
  --z-ambient: 0;
  --z-content: 1;
  --z-sticky:  10;
  --z-nav:     100;
  --z-modal:   200;
  --z-toast:   300;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED BASE RESET
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED AMBIENT BACKGROUND
   Used on both pages. Paste the .ambient div into each page body.
   ═══════════════════════════════════════════════════════════════ */

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-ambient);
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.07;
}

.ambient-orb:nth-child(1) {
  width: 600px; height: 600px;
  background: var(--accent);
  top: -10%; left: 30%;
}

.ambient-orb:nth-child(2) {
  width: 500px; height: 500px;
  background: var(--cyan);
  top: 40%; right: -10%;
}

.ambient-orb:nth-child(3) {
  width: 400px; height: 400px;
  background: var(--rose);
  bottom: 10%; left: -5%;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED NAV
   ═══════════════════════════════════════════════════════════════ */

.pg-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: var(--z-nav);
  background: rgba(6,6,11,0.80);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--ease-std);
}

.pg-nav-inner {
  max-width: var(--container-2xl);
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  height: 58px;
  gap: 2rem;
}

.pg-nav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  flex-shrink: 0;
}

.pg-nav-logo {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--gradient);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  box-shadow: 0 0 20px rgba(124,106,237,0.3);
}

.pg-nav-wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  letter-spacing: var(--tracking-tight);
}

.pg-nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  flex: 1;
}

.pg-nav-sep {
  width: 1px; height: 16px;
  background: var(--border-strong);
  margin: 0 0.5rem;
  flex-shrink: 0;
}

.pg-nav-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-xs);
  transition: color var(--ease-fast), background var(--ease-fast);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  white-space: nowrap;
}

.pg-nav-link:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.pg-nav-link.active {
  color: var(--accent);
  background: var(--accent-soft);
}

.pg-nav-link.pg-nav-cta {
  color: var(--accent);
  border: 1px solid var(--border-hover);
  margin-left: 0.25rem;
}

.pg-nav-link.pg-nav-cta:hover {
  background: var(--accent-soft);
  color: var(--text);
}

.pg-nav-badge {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  flex-shrink: 0;
}

.pg-nav-pulse {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(52,211,153,0.6);
  animation: pgPulse 2s ease-in-out infinite;
}

@keyframes pgPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ═══════════════════════════════════════════════════════════════
   SHARED UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════ */

.grad-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.grad-text-warm {
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Shared scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-mid); }

/* Shared animations */
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ambientPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ═══════════════════════════════════════════════════════════════
   MOBILE NAV — Hamburger + Drawer
   ═══════════════════════════════════════════════════════════════ */

.pg-nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px; height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: transparent;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
}

.pg-nav-hamburger span {
  display: block;
  width: 18px; height: 2px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: all 0.25s ease;
}

.pg-nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.pg-nav-hamburger.open span:nth-child(2) { opacity: 0; }
.pg-nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.pg-nav-drawer {
  display: none;
  position: fixed;
  top: 58px; left: 0; right: 0;
  background: rgba(6,6,11,0.97);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  z-index: calc(var(--z-nav) - 1);
  padding: 1rem 1.5rem 1.5rem;
  flex-direction: column;
  gap: 0.25rem;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.pg-nav-drawer.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.pg-nav-drawer .pg-nav-link {
  display: block;
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  border: none;
}

.pg-nav-drawer .pg-nav-link.pg-nav-cta {
  margin-top: 0.5rem;
  border: 1px solid var(--border-hover);
  text-align: center;
}

.pg-nav-drawer-sep {
  height: 1px;
  background: var(--border);
  margin: 0.4rem 0;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED RESPONSIVE BREAKPOINTS
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .pg-nav-links { display: none; }
  .pg-nav-badge { display: none; }
  .pg-nav-hamburger { display: flex; }
  .pg-nav-drawer { display: flex; }
  .pg-nav-inner { gap: 1rem; }

  /* Reduce ambient orb sizes on mobile */
  .ambient-orb:nth-child(1) { width: 300px; height: 300px; }
  .ambient-orb:nth-child(2) { width: 250px; height: 250px; }
  .ambient-orb:nth-child(3) { width: 200px; height: 200px; }
}