/* ============================================================
   style.css — Scrub & Scale | AI Data Readiness Demo
   Defense-grade data intelligence aesthetic
   ============================================================ */

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --bg-primary:   #0a0f1e;
  --bg-surface:   #0f1729;
  --bg-elevated:  #162040;
  --bg-hover:     #1a2a50;
  --accent-cyan:  #00d4ff;
  --accent-amber: #f5a623;
  --accent-red:   #ff3b5c;
  --accent-green: #00e676;
  --text-primary: #e8edf5;
  --text-secondary:#7a8ba8;
  --text-code:    #cdd9f0;
  --border:       #1e2d4a;
  --grid-line:    #0d1830;
  --font-display: 'Orbitron', monospace;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-code:    'JetBrains Mono', monospace;
  --transition-speed: 400ms;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================================
   CLASSIFICATION BANNER (ticker)
   ============================================================ */
#class-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(245, 166, 35, 0.10);
  border-bottom: 1px solid rgba(245, 166, 35, 0.35);
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ticker-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.ticker-content {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--accent-amber);
}

/* ============================================================
   MAIN NAVIGATION
   ============================================================ */
#main-nav {
  position: fixed;
  top: 28px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(10, 15, 30, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

#nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  border: 1px solid var(--accent-cyan);
  padding: 0.2rem 0.45rem;
  letter-spacing: 0.1em;
}

.nav-title {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.15em;
  display: none;
}

@media (min-width: 768px) {
  .nav-title { display: block; }
}

#step-nodes {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  justify-content: center;
  overflow: hidden;
}

.step-node-wrap {
  display: flex;
  align-items: center;
}

.step-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: 0.25rem 0.6rem;
  position: relative;
  transition: opacity 0.3s;
}

.step-node .node-num {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: color 0.3s;
  color: var(--text-secondary);
}

.step-node .node-label {
  font-family: var(--font-display);
  font-size: 0.42rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  transition: color 0.3s;
  white-space: nowrap;
  display: none;
}

@media (min-width: 900px) {
  .step-node .node-label { display: block; }
}

.step-connector {
  width: 24px;
  height: 1px;
  background: var(--border);
  flex-shrink: 0;
  transition: background 0.3s;
}

.step-node.completed .node-num,
.step-node.completed .node-label {
  color: var(--accent-cyan);
}
.step-node.completed + .step-connector {
  background: var(--accent-cyan);
}

.step-node.active .node-num {
  color: var(--accent-cyan);
  animation: nodePulse 1.8s ease-in-out infinite;
}
.step-node.active .node-label { color: var(--accent-cyan); }

@keyframes nodePulse {
  0%, 100% { text-shadow: 0 0 4px rgba(0, 212, 255, 0.4); }
  50%       { text-shadow: 0 0 12px rgba(0, 212, 255, 0.9); }
}

.step-mobile-indicator {
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  display: block;
}

@media (min-width: 600px) { .step-mobile-indicator { display: none; } }
@media (max-width: 599px) { #step-nodes { display: none; } }

/* Progress bar */
#nav-progress-bar-wrap {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border);
}

#nav-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-cyan), rgba(0,212,255,0.4));
  width: 0%;
  transition: width 0.4s ease;
  box-shadow: 0 0 8px var(--accent-cyan);
}

/* ============================================================
   SECTION LAYOUT
   ============================================================ */
#app {
  padding-top: 92px;   /* banner 28px + nav 64px */
  padding-bottom: 80px;/* space for bottom nav */
  min-height: 100vh;
}

.section {
  display: none;
  padding: 3rem 1.5rem;
  max-width: 1280px;
  margin: 0 auto;
  animation: sectionFadeIn 0.4s ease both;
}

.section.active { display: block; }

@keyframes sectionFadeIn {
  from { opacity: 0; transform: translateX(32px); }
  to   { opacity: 1; transform: translateX(0); }
}

.section.from-left {
  animation: sectionFadeInLeft 0.4s ease both;
}

@keyframes sectionFadeInLeft {
  from { opacity: 0; transform: translateX(-32px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   BOTTOM NAVIGATION
   ============================================================ */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: rgba(10, 15, 30, 0.95);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  height: 64px;
}

.btn-primary {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--bg-primary);
  background: var(--accent-cyan);
  border: none;
  padding: 0.65rem 1.75rem;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
}

.btn-primary:hover {
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 212, 255, 0.2);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn-ghost {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border);
  padding: 0.65rem 1.5rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
}

.btn-ghost:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.btn-action {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.7rem 1.75rem;
  cursor: pointer;
  border: none;
  transition: box-shadow 0.2s, transform 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-cyan {
  background: var(--accent-cyan);
  color: var(--bg-primary);
}
.btn-cyan:hover {
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.55);
  transform: translateY(-1px);
}

.btn-green {
  background: var(--accent-green);
  color: var(--bg-primary);
}
.btn-green:hover {
  box-shadow: 0 0 18px rgba(0, 230, 118, 0.55);
  transform: translateY(-1px);
}

.btn-amber {
  background: var(--accent-amber);
  color: var(--bg-primary);
}
.btn-amber:hover {
  box-shadow: 0 0 18px rgba(245, 166, 35, 0.55);
  transform: translateY(-1px);
}

.btn-red-ghost {
  background: transparent;
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 0.6rem 1.4rem;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s;
}
.btn-red-ghost:hover {
  background: rgba(255, 59, 92, 0.1);
  box-shadow: 0 0 14px rgba(255, 59, 92, 0.4);
}

#step-label-center {
  font-family: var(--font-display);
  font-size: 0.62rem;
  color: var(--text-secondary);
  letter-spacing: 0.12em;
}

/* ============================================================
   SECTION HEADER COMPONENTS
   ============================================================ */
.section-eyebrow {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--accent-cyan);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-eyebrow::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  line-height: 1.2;
  margin-bottom: 1.75rem;
}

.section-title span { color: var(--accent-cyan); }

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 680px;
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* Explanation panels */
.explain-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
  border-radius: 2px;
}

.explain-panel p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.explain-panel p:last-child { margin-bottom: 0; }

.explain-panel strong { color: var(--text-primary); font-weight: 600; }

/* ============================================================
   DATA TABLES
   ============================================================ */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 2px;
  margin-bottom: 1.5rem;
  background: var(--bg-surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--text-code);
  min-width: 1200px;
}

.data-table thead th {
  background: var(--bg-elevated);
  color: var(--accent-cyan);
  font-family: var(--font-display);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 2;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--grid-line);
  opacity: 0;
  transform: translateX(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, background 0.15s;
}

.data-table tbody tr.row-visible {
  opacity: 1;
  transform: translateX(0);
}

.data-table tbody tr:nth-child(even) td { background: rgba(22, 32, 64, 0.4); }
.data-table tbody tr:hover td { background: rgba(0, 212, 255, 0.04); }

.data-table td {
  padding: 0.5rem 0.75rem;
  white-space: nowrap;
  vertical-align: middle;
  transition: background 0.15s;
}

/* Bad data cell highlights */
.bad-red {
  position: relative;
  cursor: pointer;
}

.bad-red td.highlighted,
td.bad-red {
  background: rgba(255, 59, 92, 0.12) !important;
  outline: 1px solid rgba(255, 59, 92, 0.5);
  outline-offset: -1px;
  animation: pulseRed 2s ease-in-out infinite;
  cursor: pointer;
}

.bad-amber td.highlighted,
td.bad-amber {
  background: rgba(245, 166, 35, 0.12) !important;
  outline: 1px solid rgba(245, 166, 35, 0.5);
  outline-offset: -1px;
  animation: pulseAmber 2s ease-in-out infinite;
  cursor: pointer;
}

td.bad-null {
  background: rgba(255, 59, 92, 0.12) !important;
  outline: 2px solid rgba(255, 59, 92, 0.6);
  outline-offset: -2px;
  min-width: 60px;
  animation: pulseRed 2s ease-in-out infinite;
  cursor: pointer;
}

@keyframes pulseRed {
  0%, 100% { box-shadow: inset 0 0 0 rgba(255, 59, 92, 0); }
  50%       { box-shadow: inset 0 0 10px rgba(255, 59, 92, 0.25); }
}

@keyframes pulseAmber {
  0%, 100% { box-shadow: inset 0 0 0 rgba(245, 166, 35, 0); }
  50%       { box-shadow: inset 0 0 10px rgba(245, 166, 35, 0.25); }
}

.row-dup-a { border-left: 3px solid var(--accent-red) !important; }
.row-dup-b { border-left: 3px solid var(--accent-red) !important; }

/* ============================================================
   STEP 2 — QUERY RESULTS
   ============================================================ */
.risk-badge {
  font-family: var(--font-display);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
}

.risk-high   { background: rgba(255, 59, 92, 0.2); color: var(--accent-red); border: 1px solid rgba(255,59,92,0.4); }
.risk-monitor{ background: rgba(245,166,35,0.15); color: var(--accent-amber); border: 1px solid rgba(245,166,35,0.4); }
.risk-on-track{ background: rgba(0,230,118,0.1); color: var(--accent-green); border: 1px solid rgba(0,230,118,0.3); }

.result-row-dup  { border-left: 3px solid var(--accent-red) !important; }
.result-row-null { background: rgba(245,166,35,0.07) !important; }
.result-row-zero { background: rgba(245,166,35,0.07) !important; }

.cell-null-spi {
  color: var(--accent-amber);
  font-style: italic;
}
.cell-zero-cpi {
  color: var(--accent-amber);
  font-weight: 600;
}
.cell-blank-resource {
  display: inline-block;
  min-width: 80px;
  height: 20px;
  border: 1px solid var(--accent-red);
  background: rgba(255,59,92,0.05);
}

.result-ghost-row td {
  color: var(--text-secondary);
  opacity: 0.45;
  font-style: italic;
}

.query-callout {
  background: rgba(245,166,35,0.07);
  border: 1px solid rgba(245,166,35,0.35);
  border-left: 3px solid var(--accent-amber);
  padding: 1rem 1.25rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-top: 1.25rem;
  line-height: 1.6;
}

.query-callout strong { color: var(--text-primary); }

/* tooltip */
.has-tooltip { position: relative; }

.has-tooltip .tooltip-text {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  z-index: 100;
  background: var(--bg-elevated);
  border: 1px solid var(--accent-amber);
  color: var(--accent-amber);
  font-family: var(--font-code);
  font-size: 0.68rem;
  padding: 0.5rem 0.75rem;
  white-space: nowrap;
  pointer-events: none;
  margin-bottom: 4px;
}

.has-tooltip:hover .tooltip-text { display: block; }

/* ============================================================
   CODE PANELS
   ============================================================ */
.code-panel-wrap {
  position: relative;
  margin-bottom: 1.75rem;
}

.code-panel-header {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom: 1px solid rgba(0,212,255,0.2);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.code-panel-title {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.18em;
  color: var(--accent-cyan);
}

.code-panel-lang {
  font-family: var(--font-code);
  font-size: 0.62rem;
  color: var(--text-secondary);
}

.code-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: none;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 520px;
  font-family: var(--font-code);
  font-size: 0.77rem;
  line-height: 1.65;
  color: var(--text-code);
  tab-size: 4;
}

/* Syntax token colors */
.tok-keyword  { color: var(--accent-cyan); font-weight: 500; }
.tok-function { color: #c792ea; }
.tok-string   { color: var(--accent-amber); }
.tok-number   { color: var(--accent-green); }
.tok-comment  { color: #4a5d7a; font-style: italic; }
.tok-builtin  { color: #82aaff; }

/* ============================================================
   STEP 3 — AUDIT SPLIT LAYOUT
   ============================================================ */
#step3-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  #step3-layout {
    grid-template-columns: 65% 35%;
    align-items: start;
  }
}

#step3-right {
  position: sticky;
  top: 100px;
}

/* Health Score Gauge */
#health-gauge-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
  text-align: center;
}

.gauge-label-top {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

#health-gauge svg { display: block; margin: 0 auto; }

#gauge-score-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  fill: var(--text-primary);
}

#gauge-label-text {
  font-family: var(--font-display);
  font-size: 0.45rem;
  letter-spacing: 0.15em;
  fill: var(--text-secondary);
}

#gauge-arc-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}

#gauge-arc-fg {
  fill: none;
  stroke: var(--accent-green);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 283 283;
  stroke-dashoffset: 0;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 1.2s cubic-bezier(0.4,0,0.2,1),
              stroke 0.6s ease;
}

/* Audit callout cards */
.audit-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  margin-bottom: 1rem;
  padding: 1.1rem 1.25rem;
  display: none;
  animation: cardSlideIn 0.3s ease both;
}

.audit-card.visible { display: block; }

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

.card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.card-severity {
  font-family: var(--font-display);
  font-size: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 0.2rem 0.5rem;
}

.sev-high   { background: rgba(255,59,92,0.15); color: var(--accent-red); }
.sev-medium { background: rgba(245,166,35,0.12); color: var(--accent-amber); }

.card-type {
  font-family: var(--font-display);
  font-size: 0.5rem;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  flex: 1;
}

.card-num {
  font-family: var(--font-display);
  font-size: 0.5rem;
  color: var(--border);
  margin-left: auto;
}

.card-body { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.65; }
.card-body dt {
  font-family: var(--font-display);
  font-size: 0.5rem;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin-top: 0.6rem;
  margin-bottom: 0.2rem;
}
.card-body dd { margin-left: 0; }
.card-body .affected-rows {
  font-family: var(--font-code);
  font-size: 0.72rem;
  color: var(--accent-amber);
}

/* ============================================================
   TERMINAL PANELS
   ============================================================ */
.terminal-wrap {
  background: #050a12;
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent-cyan);
  margin-bottom: 1.5rem;
}

.terminal-header {
  background: var(--bg-elevated);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.t-red    { background: #ff5f56; }
.t-yellow { background: #ffbd2e; }
.t-green  { background: #27c93f; }

.terminal-header-title {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

.terminal-body {
  padding: 1rem 1.25rem;
  font-family: var(--font-code);
  font-size: 0.75rem;
  line-height: 1.7;
  color: #7fff9a;
  min-height: 120px;
  max-height: 380px;
  overflow-y: auto;
}

.terminal-line { white-space: pre; }
.term-ok       { color: var(--accent-green); }
.term-high     { color: var(--accent-red); }
.term-med      { color: var(--accent-amber); }
.term-warn     { color: var(--accent-amber); }
.term-critical { color: var(--accent-red); font-weight: 700; }
.term-score    { color: var(--accent-cyan); font-weight: 700; font-size: 0.85rem; }
.term-score-good{ color: var(--accent-green); font-weight: 700; font-size: 0.85rem; }
.term-div      { color: #2a4060; }
.term-header   { color: var(--accent-cyan); font-weight: 700; }
.term-detect   { color: #a0c4ff; }
.term-alert    { color: var(--accent-amber); font-weight: 600; }
.term-fail     { color: var(--accent-red); font-weight: 600; }

/* JSON panel */
.json-panel {
  background: #060c18;
  border: 1px solid rgba(245,166,35,0.35);
  border-left: 3px solid var(--accent-amber);
  padding: 1rem 1.25rem;
  max-height: 280px;
  overflow-y: auto;
  font-family: var(--font-code);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--text-code);
  margin-top: 1rem;
  display: none;
}

.json-panel.visible { display: block; animation: cardSlideIn 0.4s ease both; }
.json-key   { color: var(--accent-cyan); }
.json-str   { color: var(--accent-amber); }
.json-num   { color: var(--accent-green); }
.json-bool  { color: #c792ea; }

/* ============================================================
   STEP 5 — CORRECTION LAYOUT
   ============================================================ */
.two-col-corrections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 2rem 0;
}

@media (max-width: 768px) {
  .two-col-corrections { grid-template-columns: 1fr; }
}

.correction-col {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
}

.correction-col-header {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  padding: 0.3rem 0.7rem;
  margin-bottom: 1rem;
  display: inline-block;
}

.col-auto   { color: var(--accent-green); border: 1px solid rgba(0,230,118,0.4); background: rgba(0,230,118,0.08); }
.col-review { color: var(--accent-amber); border: 1px solid rgba(245,166,35,0.4); background: rgba(245,166,35,0.08); }

.correction-item {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.correction-item .ci-icon { flex-shrink: 0; font-size: 0.9rem; margin-top: 2px; }
.correction-item strong   { color: var(--text-primary); }

/* Correction log */
.correction-log {
  background: #050a12;
  border: 1px solid var(--border);
  padding: 0.75rem 1rem;
  font-family: var(--font-code);
  font-size: 0.73rem;
  line-height: 1.75;
  display: none;
  max-height: 300px;
  overflow-y: auto;
}

.correction-log.visible { display: block; animation: cardSlideIn 0.3s ease both; }

.log-wbs    { color: var(--accent-cyan); }
.log-obs    { color: #c792ea; }
.log-res    { color: var(--accent-amber); }
.log-status { color: var(--accent-green); }
.log-ws     { color: var(--text-secondary); }
.log-div    { color: #2a4060; }
.log-total  { color: var(--accent-green); font-weight: 700; }

/* Review queue */
.review-queue {
  background: var(--bg-surface);
  border: 1px solid rgba(245,166,35,0.3);
  border-left: 3px solid var(--accent-amber);
  display: none;
  margin-top: 1rem;
}

.review-queue.visible { display: block; animation: cardSlideIn 0.4s ease both; }

.review-queue-header {
  font-family: var(--font-code);
  font-size: 0.73rem;
  color: var(--accent-amber);
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(245,166,35,0.2);
}

.hrq-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-code);
  font-size: 0.72rem;
  border-bottom: 1px solid var(--grid-line);
  color: var(--text-secondary);
  animation: cardSlideIn 0.3s ease both;
}

.hrq-item .hrq-id   { color: var(--accent-amber); font-weight: 600; }
.hrq-item .hrq-type { color: var(--text-primary); }
.hrq-item .hrq-tasks{ color: var(--accent-cyan); font-size: 0.68rem; }
.hrq-item .hrq-assign{ color: var(--text-secondary); font-size: 0.68rem; font-style: italic; }

.review-queue-footer {
  padding: 0.5rem 1rem;
  font-family: var(--font-code);
  font-size: 0.7rem;
  color: var(--accent-green);
}

/* Before/After gauge */
.gauge-compare {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  margin-top: 1.5rem;
}

.gauge-mini-wrap { text-align: center; }
.gauge-mini-label {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.gauge-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--accent-green);
}

.gauge-arrow-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-green);
}

/* ============================================================
   STEP 6 — ARCHITECTURE DIAGRAM
   ============================================================ */
.arch-diagram {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 2rem;
  margin-bottom: 2rem;
  overflow-x: auto;
}

.arch-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  min-width: 800px;
}

.arch-node {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 0.6rem 0.9rem;
  font-family: var(--font-display);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-align: center;
  white-space: nowrap;
  position: relative;
  flex-shrink: 0;
}

.arch-node.node-cyan  { border-color: rgba(0,212,255,0.5); color: var(--accent-cyan); }
.arch-node.node-green { border-color: rgba(0,230,118,0.5); color: var(--accent-green); }
.arch-node.node-amber { border-color: rgba(245,166,35,0.5); color: var(--accent-amber); }
.arch-node.node-red   { border-color: rgba(255,59,92,0.5);  color: var(--accent-red); }

.arch-connector {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: 40px;
}

.arch-connector-line {
  width: 100%;
  height: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent-cyan) 0px,
    var(--accent-cyan) 6px,
    transparent 6px,
    transparent 12px
  );
  animation: flowDash 1.2s linear infinite;
}

@keyframes flowDash {
  from { background-position: 0 0; }
  to   { background-position: 24px 0; }
}

.arch-branch {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex-shrink: 0;
}

.arch-branch-item {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Audit trend chart */
#audit-chart-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-title {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
}

/* Why this matters callout */
.scale-callout {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  background: var(--bg-surface);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.5rem;
}

.scale-callout ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.scale-callout li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--grid-line);
  padding-left: 1rem;
  position: relative;
  line-height: 1.6;
}

.scale-callout li::before {
  content: '▸';
  color: var(--accent-cyan);
  position: absolute;
  left: 0;
}

.scale-callout li:last-child { border-bottom: none; }
.scale-callout li strong { color: var(--text-primary); }

/* ============================================================
   LANDING PAGE
   ============================================================ */
#landing {
  min-height: calc(100vh - 92px - 64px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.5rem 1.5rem;
  gap: 0;
}

.landing-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 0 40px rgba(0,212,255,0.25);
}

.landing-title span { color: var(--accent-cyan); }

.landing-subtitle {
  font-family: var(--font-display);
  font-size: clamp(0.55rem, 1.2vw, 0.75rem);
  letter-spacing: 0.2em;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}

.landing-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.landing-statement {
  max-width: 680px;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

.landing-statement strong { color: var(--text-primary); }

.mission-brief {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent-cyan);
  padding: 0.9rem 1.5rem;
  max-width: 620px;
  width: 100%;
  margin-bottom: 1.25rem;
  text-align: left;
}

.brief-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 0.2rem 1rem;
  padding: 0.28rem 0;
  border-bottom: 1px solid var(--grid-line);
  font-family: var(--font-code);
  font-size: 0.7rem;
}

.brief-row:last-child { border-bottom: none; }

.brief-row .label {
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.brief-row .value {
  color: var(--text-primary);
}

.step-preview-chips {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.preview-chip {
  font-family: var(--font-display);
  font-size: 0.48rem;
  letter-spacing: 0.12em;
  padding: 0.28rem 0.65rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: border-color 0.2s, color 0.2s;
}

.preview-chip.reached {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-start {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  padding: 0.85rem 2.75rem;
  background: var(--accent-cyan);
  color: var(--bg-primary);
  border: none;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.15s;
  clip-path: polygon(12px 0%, 100% 0%, calc(100% - 12px) 100%, 0% 100%);
}

.btn-start:hover {
  box-shadow: 0 0 30px rgba(0,212,255,0.6), 0 0 60px rgba(0,212,255,0.2);
  transform: translateY(-2px);
}

/* ============================================================
   CLOSING PAGE
   ============================================================ */
.demo-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.demo-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.25rem;
}

.demo-card-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: rgba(0,212,255,0.15);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.demo-card-title {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 0.6rem;
}

.demo-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.phase-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.phase-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent-cyan);
  padding: 1.25rem;
}

.phase-label {
  font-family: var(--font-display);
  font-size: 0.55rem;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  margin-bottom: 0.35rem;
}

.phase-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: 0.05em;
}

.phase-desc {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.questions-card {
  background: var(--bg-surface);
  border: 1px solid rgba(245,166,35,0.4);
  border-left: 3px solid var(--accent-amber);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2rem;
}

.questions-title {
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--accent-amber);
  margin-bottom: 1rem;
}

.questions-list {
  list-style: none;
  padding: 0;
  counter-reset: q-counter;
}

.questions-list li {
  counter-increment: q-counter;
  display: flex;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--grid-line);
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.questions-list li::before {
  content: counter(q-counter) '.';
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: var(--accent-amber);
  flex-shrink: 0;
  min-width: 20px;
  margin-top: 2px;
}

.questions-list li:last-child { border-bottom: none; }
.questions-list em { color: var(--text-primary); font-style: italic; }

.closing-prose {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-cyan);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

.closing-prose strong { color: var(--text-primary); }

.built-by-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.built-by-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.05em;
}

.built-by-title {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

.built-by-link {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,0.3);
  transition: border-color 0.2s;
}

.built-by-link:hover { border-color: var(--accent-cyan); }

/* Summary scorecard table */
.scorecard-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  margin-bottom: 1.5rem;
}

.scorecard-table th {
  font-family: var(--font-display);
  font-size: 0.52rem;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
  padding: 0.6rem 0.75rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.scorecard-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--grid-line);
  color: var(--text-secondary);
}

.scorecard-table tr:hover td { background: rgba(0,212,255,0.03); }

.scorecard-table .sev-label-high   { color: var(--accent-red); font-weight: 600; }
.scorecard-table .sev-label-medium { color: var(--accent-amber); font-weight: 600; }

.scorecard-footer {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent-red);
  padding: 0.75rem 1rem;
  font-family: var(--font-display);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--accent-red);
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.scorecard-footer span { color: var(--text-secondary); margin-right: 0.5rem; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-cyan   { color: var(--accent-cyan); }
.text-amber  { color: var(--accent-amber); }
.text-red    { color: var(--accent-red); }
.text-green  { color: var(--accent-green); }
.text-muted  { color: var(--text-secondary); }
.text-code   { font-family: var(--font-code); }
.text-display{ font-family: var(--font-display); }

.mt-0  { margin-top: 0; }
.mt-1  { margin-top: 0.5rem; }
.mt-2  { margin-top: 1rem; }
.mt-4  { margin-top: 2rem; }
.mb-2  { margin-bottom: 1rem; }
.mb-4  { margin-bottom: 2rem; }

.italic { font-style: italic; }

.closing-italic {
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.88rem;
  margin-top: 1rem;
  text-align: center;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 2rem 1rem; }
  #main-nav { padding: 0 1rem; }
  #bottom-nav { padding: 0.75rem 1rem; }
  .btn-primary, .btn-ghost { padding: 0.55rem 1.1rem; font-size: 0.65rem; }
  .two-col-corrections { grid-template-columns: 1fr; }
  .hrq-item { grid-template-columns: 60px 1fr 1fr; }
  .hrq-item .hrq-assign { display: none; }
  .gauge-compare { flex-direction: column; gap: 1rem; }
}