/* ==========================================================================
   Leverage Tax Specialists — Core Design System & Global Styles
   Financial & Tax Advisory Palette (Executive Navy, Tax Gold, Slate, Emerald)
   ========================================================================== */

:root {
  /* Brand Primary & Neutrals */
  --navy-950: #071120;
  --navy-900: #0B1B3D;
  --navy-850: #0F244E;
  --navy-800: #15326C;
  --navy-700: #1E4491;
  
  --gold-700: #92400E;
  --gold-600: #B45309;
  --gold-500: #D97706;
  --gold-400: #F59E0B;
  --gold-100: #FEF3C7;
  --gold-50:  #FFFBEB;

  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white:     #FFFFFF;

  /* Semantic State Colors */
  --emerald-600: #059669;
  --emerald-500: #10B981;
  --emerald-100: #D1FAE5;
  --emerald-50:  #ECFDF5;

  --amber-600: #D97706;
  --amber-500: #F59E0B;
  --amber-100: #FEF3C7;
  --amber-50:  #FFFBEB;

  --rose-600: #E11D48;
  --rose-500: #F43F5E;
  --rose-100: #FFE4E6;
  --rose-50:  #FFF1F2;

  --blue-600: #2563EB;
  --blue-500: #3B82F6;
  --blue-100: #DBEAFE;
  --blue-50:  #EFF6FF;

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-heading: 'Outfit', 'Plus Jakarta Sans', sans-serif;

  /* Elevations & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(11, 27, 61, 0.08), 0 4px 6px -4px rgba(11, 27, 61, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(11, 27, 61, 0.12), 0 8px 10px -6px rgba(11, 27, 61, 0.04);
  --shadow-glow: 0 0 25px rgba(217, 119, 6, 0.25);

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

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background-color: var(--slate-50);
  color: var(--slate-800);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy-900);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

a {
  color: var(--navy-700);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--gold-600);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

img, svg {
  vertical-align: middle;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ==========================================================================
   Global Persona & Prototype Presentation Header Bar
   ========================================================================== */

.demo-topbar {
  background: var(--navy-950);
  color: var(--white);
  padding: 0.6rem 1.5rem;
  font-size: 0.825rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.demo-topbar-inner {
  max-width: 1380px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.demo-badge-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brandive-tag {
  background: rgba(217, 119, 6, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--gold-400);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.live-sync-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--emerald-500);
  font-size: 0.75rem;
  font-weight: 500;
}

.sync-dot {
  width: 7px;
  height: 7px;
  background-color: var(--emerald-500);
  border-radius: 50%;
  animation: pulseSync 2s infinite ease-in-out;
}

@keyframes pulseSync {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Persona Switcher Tabs */
.persona-switcher {
  display: flex;
  background: rgba(255, 255, 255, 0.08);
  padding: 3px;
  border-radius: var(--radius-md);
  gap: 3px;
}

.persona-btn {
  background: transparent;
  border: none;
  color: var(--slate-300);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.persona-btn:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
}

.persona-btn.active {
  background: var(--navy-800);
  color: var(--gold-400);
  border: 1px solid rgba(245, 158, 11, 0.3);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.persona-btn.pitch-highlight {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.3) 0%, rgba(180, 83, 9, 0.3) 100%);
  color: var(--gold-400);
  border: 1px solid var(--gold-500);
}

.persona-btn.pitch-highlight:hover {
  background: linear-gradient(135deg, rgba(217, 119, 6, 0.5) 0%, rgba(180, 83, 9, 0.5) 100%);
}

.demo-quick-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.demo-select-lead {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--white);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  outline: none;
}

.demo-select-lead option {
  background: var(--navy-900);
  color: var(--white);
}

.btn-reset-demo {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--slate-300);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast);
}

.btn-reset-demo:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.05);
}

/* Main Site Header (For Public Prospect View) */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
  padding: 1rem 0;
  position: sticky;
  top: 45px;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-400);
  border: 1.5px solid rgba(217, 119, 6, 0.4);
  box-shadow: var(--shadow-md);
}

.logo-text-wrap {
  display: flex;
  flex-direction: column;
}

.logo-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.logo-sub {
  font-size: 0.685rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-600);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-600);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--navy-900);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Site Footer */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-400);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.875rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h5 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 1.2rem;
  font-family: var(--font-heading);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-col a {
  color: var(--slate-400);
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--gold-400);
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
}

.footer-disclaimer-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
  font-size: 0.8rem;
  color: var(--slate-400);
  line-height: 1.5;
}

.footer-disclaimer-box strong {
  color: var(--gold-400);
}

/* Global View Container */
.view-container {
  display: none;
  width: 100%;
}

.view-container.active {
  display: block;
  animation: fadeInView 0.25s ease-out;
}

@keyframes fadeInView {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Global Floating Toast */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  background: var(--navy-900);
  color: var(--white);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-left: 4px solid var(--gold-500);
  pointer-events: auto;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 380px;
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Utilities */
.text-gold { color: var(--gold-600); }
.text-muted { color: var(--slate-500); }
.text-navy { color: var(--navy-900); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }