/* ================================================================
   GREEN CODE PROTOCOL — GLOBAL DESIGN SYSTEM
   Civic-Modern · "government-lab clarity with editorial polish"
   Version: 2.1 (Master Rebuild)
   NO glow / neon / sci-fi outside /vision/
================================================================ */

/* ── 1. DESIGN TOKENS ──────────────────────────────────────── */
:root {
  /* Tier colors — semantic ONLY, used for badges/banners/accents */
  --tier-verified:        #2d6a4f;
  --tier-verified-bg:     #f0faf5;
  --tier-verified-border: #a7d7c0;
  --tier-modeled:         #b8860b;
  --tier-modeled-bg:      #fffbf0;
  --tier-modeled-border:  #e8c96a;
  --tier-proposed:        #1a5fb4;
  --tier-proposed-bg:     #f0f5ff;
  --tier-proposed-border: #93b4e8;
  --tier-visionary:       #6a0dad;
  --tier-visionary-bg:    #faf0ff;
  --tier-visionary-border:#c9a0e0;

  /* Neutral palette */
  --paper:      #fafaf8;
  --paper-2:    #f4f4f1;
  --border:     #e2e2de;
  --border-2:   #d0d0cb;
  --ink-900:    #1a1a1a;
  --ink-700:    #3a3a3a;
  --ink-500:    #6b6b6b;
  --ink-300:    #9a9a9a;
  --ink-100:    #e8e8e4;

  /* Functional */
  --white:      #ffffff;
  --focus-ring: #1a5fb4;

  /* Typography */
  --font-ui:    'Inter', 'IBM Plex Sans', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'IBM Plex Mono', 'Courier New', monospace;
  /* NOTE: Serif (Source Serif 4) is ONLY loaded on /vision/ pages */

  /* Scale — fluid type via clamp() */
  --text-xs:   clamp(11px, 1.1vw, 12px);
  --text-sm:   clamp(13px, 1.3vw, 14px);
  --text-base: clamp(15px, 1.5vw, 16px);
  --text-md:   clamp(17px, 1.7vw, 18px);
  --text-lg:   clamp(19px, 2vw, 22px);
  --text-xl:   clamp(24px, 2.8vw, 30px);
  --text-2xl:  clamp(30px, 3.6vw, 40px);
  --text-3xl:  clamp(38px, 5vw, 56px);

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  24px;
  --space-6:  32px;
  --space-7:  48px;
  --space-8:  64px;
  --space-9:  96px;

  /* Layout */
  --max-w:      1120px;
  --gutter:     clamp(16px, 4vw, 48px);
  --col-gap:    24px;

  /* Motion — single global vocabulary */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 220ms;
  --duration-slow: 350ms;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg:  0 12px 32px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12), 0 2px 6px rgba(0,0,0,0.07);

  /* Border radius */
  --r-sm:   4px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   16px;
  --r-full: 9999px;
}

/* ── 2. RESET + BASE ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--ink-900);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ELI5 mode body adjustments */
body.eli5 {
  font-size: calc(var(--text-base) * 1.1);
  line-height: 1.75;
}

body.eli5 .dense-table { display: none; }
body.eli5 .eli5-alt    { display: block !important; }
.eli5-alt               { display: none; }

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

::selection {
  background: var(--tier-proposed-bg);
  color: var(--tier-proposed);
}

/* ── 3. FOCUS STYLES (WCAG 2.1 AA) ───────────────────────── */
:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ── 4. LAYOUT GRID ──────────────────────────────────────── */
.site-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--col-gap);
}

/* ── 5. SITE HEADER ──────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  gap: var(--space-4);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--ink-900);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
}

.site-logo-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--tier-proposed);
  background: var(--tier-proposed-bg);
  border: 1px solid var(--tier-proposed-border);
  border-radius: var(--r-sm);
  padding: 2px 7px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--ink-700);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--r-md);
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--paper-2);
  color: var(--ink-900);
}

.site-header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Sound toggle */
.sound-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ink-500);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  transition: border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.sound-toggle:hover { border-color: var(--border-2); color: var(--ink-700); }
.sound-toggle[aria-pressed="true"] { color: var(--tier-verified); border-color: var(--tier-verified-border); }
.sound-toggle-icon { font-size: 14px; }

/* ELI5 toggle */
.eli5-toggle {
  font-size: var(--text-sm);
  color: var(--ink-500);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  transition: all var(--duration-fast) ease;
}
.eli5-toggle:hover { border-color: var(--border-2); color: var(--ink-700); }
.eli5-toggle[aria-pressed="true"] {
  background: #fff8e6;
  color: var(--tier-modeled);
  border-color: var(--tier-modeled-border);
}

/* ── 6. REALITY BANNER ───────────────────────────────────── */
.reality-banner {
  padding: var(--space-3) var(--gutter);
  border-bottom: 1px solid var(--border);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.reality-banner-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.reality-banner-bar {
  flex-shrink: 0;
  width: 3px;
  height: 100%;
  min-height: 36px;
  border-radius: 2px;
  align-self: stretch;
}

.reality-banner[data-tier="verified"] .reality-banner-bar  { background: var(--tier-verified); }
.reality-banner[data-tier="modeled"]  .reality-banner-bar  { background: var(--tier-modeled); }
.reality-banner[data-tier="proposed"] .reality-banner-bar  { background: var(--tier-proposed); }
.reality-banner[data-tier="visionary"] .reality-banner-bar { background: var(--tier-visionary); }

.reality-banner[data-tier="verified"]  { background: var(--tier-verified-bg); }
.reality-banner[data-tier="modeled"]   { background: var(--tier-modeled-bg); }
.reality-banner[data-tier="proposed"]  { background: var(--tier-proposed-bg); }
.reality-banner[data-tier="visionary"] { background: var(--tier-visionary-bg); }

.reality-banner-content { flex: 1; }
.reality-banner-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.reality-banner[data-tier="verified"]  .reality-banner-label { color: var(--tier-verified); }
.reality-banner[data-tier="modeled"]   .reality-banner-label { color: var(--tier-modeled); }
.reality-banner[data-tier="proposed"]  .reality-banner-label { color: var(--tier-proposed); }
.reality-banner[data-tier="visionary"] .reality-banner-label { color: var(--tier-visionary); }

.reality-banner-text { color: var(--ink-700); }

/* ── 7. TIER BADGES (inline) ─────────────────────────────── */
.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: var(--r-sm);
  white-space: nowrap;
  vertical-align: middle;
  position: relative;
  top: -1px;
  cursor: help;
  text-decoration: none;
}

.tier-badge::before {
  content: '●';
  font-size: 7px;
}

.tier-badge[data-tier="verified"] {
  background: var(--tier-verified-bg);
  color: var(--tier-verified);
  border: 1px solid var(--tier-verified-border);
}
.tier-badge[data-tier="modeled"] {
  background: var(--tier-modeled-bg);
  color: var(--tier-modeled);
  border: 1px solid var(--tier-modeled-border);
}
.tier-badge[data-tier="proposed"] {
  background: var(--tier-proposed-bg);
  color: var(--tier-proposed);
  border: 1px solid var(--tier-proposed-border);
}
.tier-badge[data-tier="visionary"] {
  background: var(--tier-visionary-bg);
  color: var(--tier-visionary);
  border: 1px solid var(--tier-visionary-border);
}

/* MODELED ::after suffix */
[data-claim-id][data-tier="modeled"]::after {
  content: ' (modeled)';
  font-size: 0.82em;
  color: var(--tier-modeled);
  font-style: italic;
}

/* ── 8. CLAIM SPANS ──────────────────────────────────────── */
[data-claim-id] {
  border-bottom: 1px dashed currentColor;
  cursor: help;
}

/* ── 9. PAGE TRUTH-RATIO WIDGET ──────────────────────────── */
.truth-ratio {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-500);
}

.truth-ratio-item { display: flex; align-items: center; gap: 4px; }
.truth-ratio-dot  { width: 8px; height: 8px; border-radius: 50%; }
.truth-ratio-dot[data-tier="verified"]  { background: var(--tier-verified); }
.truth-ratio-dot[data-tier="modeled"]   { background: var(--tier-modeled); }
.truth-ratio-dot[data-tier="proposed"]  { background: var(--tier-proposed); }
.truth-ratio-dot[data-tier="visionary"] { background: var(--tier-visionary); }

/* ── 10. SITE FOOTER ─────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--paper-2);
  padding: var(--space-7) var(--gutter) var(--space-6);
  margin-top: var(--space-9);
}

.site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.site-footer-top {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-7);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-5);
}

.site-footer-brand p {
  font-size: var(--text-sm);
  color: var(--ink-500);
  max-width: 280px;
  margin-top: var(--space-3);
  line-height: 1.6;
}

.site-footer-col-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: var(--space-3);
}

.site-footer-col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--ink-500);
  text-decoration: none;
  padding: 4px 0;
  transition: color var(--duration-fast) ease;
}

.site-footer-col a:hover { color: var(--ink-900); }

.site-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--ink-300);
}

.site-footer-claims-link a {
  color: var(--tier-verified);
  text-decoration: none;
  font-weight: 500;
}
.site-footer-claims-link a:hover { text-decoration: underline; }

/* ── 11. CARD COMPONENTS ─────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  transition: transform var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

/* Audience router cards */
.audience-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5) var(--space-5) var(--space-4);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: transform var(--duration-fast) ease,
              box-shadow var(--duration-fast) ease,
              border-color var(--duration-fast) ease;
  position: relative;
  overflow: hidden;
}

.audience-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-2);
}

.audience-card-icon {
  font-size: 28px;
  margin-bottom: var(--space-1);
}

.audience-card-title {
  font-size: var(--text-md);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.audience-card-desc {
  font-size: var(--text-sm);
  color: var(--ink-500);
  line-height: 1.6;
  flex: 1;
}

.audience-card-arrow {
  font-size: var(--text-sm);
  color: var(--ink-300);
  align-self: flex-end;
  transition: transform var(--duration-fast) ease, color var(--duration-fast) ease;
}

.audience-card:hover .audience-card-arrow {
  transform: translateX(4px);
  color: var(--ink-700);
}

/* Bento grid cards */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--col-gap);
}

.bento-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.bento-card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-300);
}

.bento-card-value {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  line-height: 1.2;
}

/* ── 12. ELI5 HERO PANEL ─────────────────────────────────── */
.eli5-panel {
  background: #fffdf5;
  border: 1px solid #f0e6c0;
  border-radius: var(--r-xl);
  padding: var(--space-6);
  margin-bottom: var(--space-7);
}

.eli5-panel-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--ink-900);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.eli5-panel-body {
  font-size: var(--text-base);
  color: var(--ink-700);
  line-height: 1.75;
  max-width: 720px;
  margin-bottom: var(--space-5);
}

.eli5-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: 1px solid #f0e6c0;
}

.eli5-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--ink-700);
}

.eli5-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── 13. SECTION HEADINGS ────────────────────────────────── */
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink-900);
  line-height: 1.15;
  margin-bottom: var(--space-3);
}

.section-lead {
  font-size: var(--text-md);
  color: var(--ink-500);
  line-height: 1.65;
  max-width: 640px;
}

/* ── 14. SKIP NAVIGATION ─────────────────────────────────── */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 4px;
  z-index: 9999;
  padding: 8px 18px;
  background: var(--focus-ring);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--r-md);
  text-decoration: none;
}

.skip-link:focus { left: 4px; }

/* ── 15. SCROLL REVEAL (IntersectionObserver) ───────────── */
.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--duration-base) var(--ease-out-expo),
              transform var(--duration-base) var(--ease-out-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger via CSS custom property */
.reveal[style*="--stagger"] {
  transition-delay: calc(var(--stagger, 0) * 60ms);
}

/* ── 16. TABLES ──────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-300);
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border);
  color: var(--ink-700);
  vertical-align: top;
}

.data-table tr:last-child td { border-bottom: none; }

.data-table tr:hover td { background: var(--paper-2); }

/* ── 17. FORMS ───────────────────────────────────────────── */
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-500);
}

.form-input {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  color: var(--ink-900);
  background: var(--white);
  border: 1px solid var(--border-2);
  border-radius: var(--r-md);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--focus-ring);
  box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.12);
}

/* ── 18. BUTTONS ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-fast) ease,
              color var(--duration-fast) ease,
              border-color var(--duration-fast) ease,
              transform var(--duration-fast) ease;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--ink-900);
  color: var(--white);
  border-color: var(--ink-900);
}
.btn-primary:hover { background: var(--ink-700); border-color: var(--ink-700); }

.btn-secondary {
  background: var(--white);
  color: var(--ink-900);
  border-color: var(--border-2);
}
.btn-secondary:hover { background: var(--paper-2); border-color: var(--ink-300); }

.btn-proposed {
  background: var(--tier-proposed-bg);
  color: var(--tier-proposed);
  border-color: var(--tier-proposed-border);
}
.btn-proposed:hover {
  background: #e0ecff;
  border-color: var(--tier-proposed);
}

/* ── 19. TIER LEGEND ─────────────────────────────────────── */
.tier-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-3) var(--space-4);
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: var(--text-xs);
  color: var(--ink-500);
}

.tier-legend-title {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-300);
  margin-right: var(--space-2);
}

/* ── 20. RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 900px) {
  .site-footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .site-nav { display: none; } /* Mobile: handled by nav overlay or simplified */
  .site-footer-top { grid-template-columns: 1fr; }
  .site-footer-bottom { flex-direction: column; }
  .bento-grid { grid-template-columns: 1fr; }
}

/* ── 21. PREFERS-REDUCED-MOTION ──────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

/* ── 22. PRINT ────────────────────────────────────────────── */
@media print {
  .site-header, .site-footer, .reality-banner { display: none; }
  .tier-badge { border: 1px solid #000; color: #000 !important; background: #fff !important; }
  body { font-size: 12pt; color: #000; }
}