:root {
  /* 60% Dominant (Muted Linen Ivory Base) */
  --color-canvas: #F9F6F0;
  --color-surface: #F2EDE4;
  --color-surface-hover: #ECE5D9;
  --color-border: #E2DACD;
  --color-border-subtle: #EDE7DC;

  /* 30% Secondary (Oxidized Copper / Teal Slate Patina) */
  --color-text-primary: #1A3438;
  --color-text-secondary: #2E5A5E;
  --color-text-muted: #53797D;
  --color-track-inactive: #3D6E73;

  /* 10% Accent (Burnished Brass Precision) */
  --color-accent: #D4AF37;
  --color-accent-hover: #B89327;
  --color-accent-glow: rgba(212, 175, 55, 0.28);
  --color-accent-soft: rgba(212, 175, 55, 0.14);

  /* Semantic Archetypes */
  --color-semantic-deduction: #B44335;       /* Federal tax / drag */
  --color-semantic-state: #D07B43;           /* State / local surcharge */
  --color-semantic-fica: #4F7E66;            /* Social security & medicare */
  --color-semantic-positive: #1C5946;        /* Net take-home margin */
  --color-semantic-positive-bg: #E9F4EE;
  --color-semantic-deduction-bg: #FAECE9;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(26, 52, 56, 0.05);
  --shadow-md: 0 4px 14px -2px rgba(26, 52, 56, 0.07);
  --shadow-lg: 0 10px 28px -4px rgba(26, 52, 56, 0.12);
  --shadow-inset: inset 1px 1px 3px rgba(26, 52, 56, 0.06);

  /* World-Class Modern Typography (Inter & JetBrains Mono loaded via index.html) */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
  font-size: 15px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  font-weight: 700;
  line-height: 1.25;
}

label {
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  display: block;
}

.tabular-nums {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "cv05" 1;
  letter-spacing: -0.02em;
}

/* Global Semantic Text Utilities */
.positive {
  color: var(--color-semantic-positive) !important;
}
.deduction {
  color: var(--color-semantic-deduction) !important;
}

/* ==========================================================================
   Honestly Biased Header Bridge
   ========================================================================== */
.hb-network-bar {
  background: #0f172a;
  color: #f8fafc;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  width: 100%;
  position: relative;
  z-index: 100;
}
.hb-network-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.hb-bridge-link {
  color: #f1f5f9;
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  letter-spacing: -0.01em;
  transition: color 0.15s ease;
}
.hb-bridge-link:hover {
  color: #ff6b35;
}
.hb-bridge-arrow {
  font-size: 0.95rem;
  transition: transform 0.15s ease;
}
.hb-bridge-link:hover .hb-bridge-arrow {
  transform: translateX(-3px);
}
.hb-network-tagline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #94a3b8;
}
.hb-live-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #ff6b35;
  box-shadow: 0 0 8px rgba(255, 107, 53, 0.8);
  display: inline-block;
  animation: hbPulse 2s infinite;
}
@keyframes hbPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.hb-bridge-badge {
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
@media (max-width: 640px) {
  .hb-network-tagline {
    display: none;
  }
}

/* ==========================================================================
   50-State Directory Grid
   ========================================================================== */
.state-directory-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}
.state-directory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.6rem;
  margin-top: 1rem;
}
.state-dir-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.45rem 0.75rem;
  background: var(--color-canvas);
  border: 1px solid var(--color-border-subtle);
  border-radius: 6px;
  text-decoration: none;
  color: var(--color-text-primary);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all 0.15s ease;
}
.state-dir-link:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
  transform: translateY(-1px);
}
.state-dir-code {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 600;
}