/* Landing — teardown wizard, AA demo, responsive extras (index.html) */

.teardown-retention-banner {
  margin-bottom: 20px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--raised);
  font-size: var(--t-body-sm);
  color: var(--muted);
  line-height: 1.65;
}

#teardown-step-1,
#teardown-step-2,
#teardown-step-3 {
  margin-top: 8px;
}

.teardown-file-name {
  font-family: var(--f-mono);
  font-size: var(--t-body-sm);
  color: var(--text);
  word-break: break-all;
  margin-top: 4px;
}

.form-err {
  font-size: var(--t-body-sm);
  color: var(--red);
  margin-top: 10px;
}

.teardown-processing-msg {
  font-family: var(--f-dot);
  font-size: var(--t-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 20px 0;
}

.audit-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: audit-spin 0.9s linear infinite;
  margin-bottom: 14px;
}

@keyframes audit-spin {
  to { transform: rotate(360deg); }
}

.finding-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 14px 16px;
}

.finding-card.severity-ok {
  border-color: rgba(61, 204, 71, 0.35);
}

.finding-sev {
  font-family: var(--f-dot);
  font-size: var(--t-label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green);
  display: block;
  margin-bottom: 6px;
}

.finding-title {
  font-size: var(--t-body);
  color: var(--text);
}

.finding-detail {
  font-size: var(--t-body-sm);
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.55;
}

.modal-msg.err {
  font-size: var(--t-body-sm);
  color: var(--red);
  margin-top: 8px;
}

.modal-msg.err.hidden {
  display: none;
}

.abandon-nudge {
  margin-top: 20px;
  margin-bottom: 4px;
  padding: 10px 12px;
  border: 1px solid var(--amber);
  background: var(--a-dim);
  font-size: var(--t-body-sm);
  color: var(--amber);
  line-height: 1.5;
}

.abandon-nudge[hidden] {
  display: none !important;
}

/* ---- AA interactive demo ---- */
.aa-demo-wrap {
  margin-top: 8px;
}

.aa-demo-frame {
  overflow: hidden;
}

.aa-split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  min-height: 520px;
}

.aa-split-left,
.aa-split-right {
  min-width: 0;
  padding: 20px;
}

.aa-split-left {
  border-right: 1px solid var(--border);
  background: var(--card);
}

.aa-split-right {
  background: var(--surface);
}

.aa-panel-pending {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border);
  background: #050505;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-legal);
}

.aa-split-right.aa-right-pending .aa-panel-loadable {
  display: none;
}

.aa-split-right.loaded .aa-panel-pending {
  display: none;
}

.aa-split-right.loaded .aa-panel-loadable {
  display: block;
  animation: aa-panel-load 260ms var(--ease);
}

@keyframes aa-panel-load {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.aa-chat-bubble {
  min-height: 74px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: var(--t-body-sm);
  line-height: 1.55;
}

.aa-chat-bubble::after {
  content: '';
  display: inline-block;
  width: 7px;
  height: 1.1em;
  margin-left: 2px;
  vertical-align: -0.2em;
  background: var(--orange);
  opacity: 0;
}

.aa-chat-bubble.typing::after {
  opacity: 1;
  animation: aa-caret 0.8s steps(1, end) infinite;
}

@keyframes aa-caret {
  50% { opacity: 0; }
}

.aa-thinking {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  margin-top: 16px;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  transition: opacity var(--base) var(--ease);
}

.aa-thinking.visible {
  opacity: 1;
}

.aa-dot {
  width: 5px;
  height: 5px;
  background: var(--orange);
  opacity: 0.2;
  animation: aa-dot-pulse 1.2s infinite;
}

.aa-dot:nth-child(3) {
  animation-delay: 0.16s;
}

.aa-dot:nth-child(4) {
  animation-delay: 0.32s;
}

@keyframes aa-dot-pulse {
  50% { opacity: 1; }
}

.aa-agent-log {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.aa-agent-step {
  display: none;
  gap: 8px;
  color: var(--muted);
  font-size: var(--t-body-sm);
  line-height: 1.55;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 260ms var(--ease), transform 260ms var(--ease), color 260ms var(--ease);
}

.aa-agent-step.visible {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.aa-agent-step.active {
  color: var(--text);
}

.aa-agent-step.done {
  color: var(--muted);
}

.aa-agent-step.success.visible {
  color: var(--green);
}

.aa-diff {
  border: 1px solid var(--border);
  background: #050505;
}

.aa-diff-file {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--f-mono);
  font-size: var(--t-label);
  color: var(--muted);
  letter-spacing: 0.08em;
}

.aa-diff-lines {
  padding: 8px 0;
}

.aa-diff-line {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
  min-height: 25px;
  padding: 3px 12px;
  border-left: 2px solid transparent;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  line-height: 1.6;
  color: var(--text);
  transition: background var(--base) var(--ease), border-color var(--base) var(--ease), opacity var(--base) var(--ease), transform var(--base) var(--ease);
}

.aa-diff-line code {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.aa-diff-line.dim {
  opacity: 0.35;
}

.aa-line-num {
  color: var(--muted-legal);
  text-align: right;
}

.aa-mark {
  display: inline-block;
  width: 12px;
  color: currentColor;
}

.aa-diff-line[data-state="wrong"] {
  color: var(--red);
}

.aa-diff-line[data-state="wrong"].triggered {
  background: var(--r-dim);
  border-left-color: var(--red);
  text-decoration: line-through;
}

.aa-diff-line[data-state="fixed"] {
  color: var(--green);
  opacity: 0;
  transform: translateY(4px);
}

.aa-diff-line[data-state="fixed"].triggered {
  opacity: 1;
  transform: translateY(0);
  background: var(--g-dim);
  border-left-color: var(--green);
}

.aa-screen-mock {
  width: min(100%, 360px);
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--card);
}

.aa-screen-head {
  margin-bottom: 10px;
  font-family: var(--f-mono);
  font-size: var(--t-label);
  color: var(--muted-legal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.aa-screen-mock p {
  margin-bottom: 14px;
  color: var(--text);
  font-size: var(--t-body-sm);
  line-height: 1.55;
}

.aa-screen-term {
  font-family: var(--f-mono);
  font-size: var(--t-label);
  line-height: 1.6;
  transition: opacity var(--base) var(--ease), transform var(--base) var(--ease), background var(--base) var(--ease);
}

.aa-screen-wrong {
  color: var(--red);
}

.aa-screen-wrong.triggered {
  opacity: 0.45;
  text-decoration: line-through;
}

.aa-screen-fixed {
  color: var(--green);
  opacity: 0;
  transform: translateY(4px);
}

.aa-screen-fixed.triggered {
  opacity: 1;
  transform: translateY(0);
}

.aa-screen-note {
  margin-top: 6px;
  font-size: var(--t-label);
  color: var(--muted);
}

.aa-demo-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 11px 16px;
  border-top: 1px solid var(--border);
  font-size: var(--t-label);
  color: var(--muted-legal);
}

.aa-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.aa-legend-dot {
  width: 8px;
  height: 8px;
}

.aa-legend-dot.gap { background: var(--red); }
.aa-legend-dot.ok { background: var(--green); }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .section {
    padding: 64px 20px;
  }

  .hero-section {
    padding-top: 40px;
  }
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 16px;
  }

  .nav-links {
    gap: 12px;
  }

  .nav-links .nav-link:not(.nav-cta) {
    display: none;
  }

  .aa-split {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .aa-split-left {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .aa-split-left,
  .aa-split-right {
    padding: 16px;
  }

  .aa-diff-line {
    grid-template-columns: 28px minmax(0, 1fr);
    padding-inline: 8px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas .cta-primary,
  .hero-ctas .cta-secondary {
    width: 100%;
  }

  .wt-row {
    grid-template-columns: 44px 16px 1fr;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  :root {
    --t-h2: 20px;
  }

  .section {
    padding: 48px 16px;
  }

  .sector-chips {
    gap: 6px;
  }

  .chip {
    flex: 1 1 calc(50% - 6px);
    min-width: 0;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .audit-spinner {
    animation: none;
    border-top-color: var(--border);
  }

  .aa-chat-bubble::after,
  .aa-panel-loadable,
  .aa-thinking,
  .aa-dot,
  .aa-agent-step,
  .aa-diff-line,
  .aa-screen-term {
    animation: none;
    transition: none;
  }
}