/* ============================================================
   SEC-2: The Autonomous Revolution — Expanded Styles
   ============================================================ */

/* Section override */
#sec-2.section--tall {
  min-height: auto;
  align-items: flex-start;
  padding-top: 100px;
  padding-bottom: 100px;
}

/* Subtle animated radial gradient background */
#sec-2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 600px 400px at 10% 20%, rgba(78, 205, 196, 0.04) 0%, transparent 70%),
    radial-gradient(ellipse 500px 350px at 90% 60%, rgba(232, 131, 124, 0.03) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 90%, rgba(245, 197, 66, 0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#sec-2 .container {
  position: relative;
  z-index: 1;
}

/* ── Block 1: Philosophy Quote ── */

.ar-quote {
  position: relative;
  width: 100%;
  background: rgba(78, 205, 196, 0.06);
  border-left: 4px solid var(--accent-teal);
  border-radius: var(--radius);
  padding: 40px 48px;
  margin-bottom: 48px;
  overflow: hidden;
}

.ar-quote blockquote {
  font-size: 22px;
  line-height: 1.6;
  font-style: italic;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

.ar-quote cite {
  font-size: 14px;
  font-style: normal;
  font-weight: 600;
  color: var(--accent-teal);
  margin-top: 16px;
  display: block;
}

.ar-quote-icon {
  position: absolute;
  top: 20px;
  right: 24px;
  opacity: 0.1;
  color: var(--accent-teal);
}

/* ── Block 2: Agent Tool Cards ── */

.ar-particles-wrap {
  position: relative;
}

#arParticleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.ar-agent-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.ar-agent-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.ar-agent-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.ar-agent-card--gold {
  border-color: rgba(245, 197, 66, 0.4);
}

.ar-card-front {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}

.ar-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  color: white;
  flex-shrink: 0;
}

.ar-card-info {
  flex: 1;
  min-width: 0;
}

.ar-card-info h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}

.ar-card-stat {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-teal);
  margin: 2px 0;
}

.ar-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

.ar-card-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.ar-agent-card.ar-card--expanded .ar-card-toggle {
  transform: rotate(45deg);
  color: var(--accent-teal);
}

.ar-card-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 20px;
}

.ar-agent-card.ar-card--expanded .ar-card-detail {
  max-height: 300px;
  padding: 0 20px 20px;
}

.ar-card-detail p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 16px;
  margin: 0;
}

/* ── Block 3: Vibe Coding ── */

.ar-vibe-section {
  margin-bottom: 48px;
}

.ar-evidence-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.ar-evidence-card {
  background: rgba(245, 197, 66, 0.06);
  border: 1px solid rgba(245, 197, 66, 0.15);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.ar-evidence-card strong {
  color: var(--text-primary);
}

.ar-stat-bar {
  background: rgba(78, 205, 196, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  margin-top: 16px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-teal);
}

.ar-stat-bar span {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 12px;
  display: block;
  margin-top: 4px;
}

.ar-caveat {
  font-size: 12px;
  color: var(--text-secondary);
  opacity: 0.7;
  margin-top: 12px;
  font-style: italic;
}

/* ── Block 4: Deployment Patterns ── */

.ar-deploy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.ar-deploy-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.ar-deploy-icon {
  width: 40px;
  height: 40px;
  color: var(--accent-teal);
}

.ar-deploy-card h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
}

.ar-deploy-products {
  font-size: 12px;
  color: var(--text-secondary);
}

.ar-deploy-econ {
  font-size: 11px;
  color: var(--accent-gold);
  font-weight: 600;
}

.ar-deploy-bar-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-top: auto;
}

.ar-deploy-bar-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ar-deploy-bar-fill--teal { background: var(--accent-teal); }
.ar-deploy-bar-fill--blue { background: var(--accent-blue); }
.ar-deploy-bar-fill--gold { background: var(--accent-gold); }
.ar-deploy-bar-fill--coral { background: var(--accent-coral); }

.ar-deploy-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-coral);
  margin-top: 4px;
}

/* ── Block 5: Task Type Chart ── */

.ar-task-chart {
  margin-bottom: 48px;
}

.ar-task-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.ar-task-label {
  width: 180px;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 600;
  text-align: right;
  color: var(--text-secondary);
}

.ar-task-track {
  flex: 1;
  height: 32px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.ar-task-fill {
  height: 100%;
  border-radius: 6px;
  width: 0;
  background: linear-gradient(90deg, var(--accent-teal), var(--accent-gold));
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding-left: 12px;
  min-width: 0;
}

.ar-task-fill.animated {
  width: var(--target-width);
}

.ar-task-value {
  font-size: 11px;
  font-weight: 700;
  color: white;
  white-space: nowrap;
}

.ar-task-evidence {
  font-size: 10px;
  color: var(--text-secondary);
  opacity: 0.6;
  width: 200px;
  flex-shrink: 0;
}

/* ── Block 6: Security ── */

.ar-security-section {
  background: #1E2130;
  border-left: 4px solid var(--accent-coral);
  border-radius: var(--radius);
  padding: 40px 36px;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.ar-security-title {
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.ar-security-statement {
  font-size: 20px;
  font-weight: 300;
  font-style: italic;
  color: var(--accent-coral);
  margin-bottom: 32px;
  line-height: 1.5;
}

.ar-threat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.ar-threat-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(232, 131, 124, 0.15);
  border-radius: var(--radius-sm);
  padding: 20px;
}

.ar-threat-card h5 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.ar-threat-card h5 svg {
  width: 18px;
  height: 18px;
  color: var(--accent-coral);
  flex-shrink: 0;
}

.ar-threat-card p {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

.ar-security-solution {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ar-security-icon {
  position: absolute;
  top: 24px;
  right: 24px;
  opacity: 0.08;
}

/* ── Block 7: Smart Home Timeline ── */

.ar-smarthome {
  margin-bottom: 48px;
}

.ar-smarthome-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.04em;
  margin-bottom: 24px;
}

.ar-timeline-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  -webkit-overflow-scrolling: touch;
}

.ar-timeline-scroll::-webkit-scrollbar {
  height: 4px;
}

.ar-timeline-scroll::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
}

.ar-timeline-scroll::-webkit-scrollbar-thumb {
  background: var(--accent-teal);
  border-radius: 2px;
}

.ar-timeline-card {
  min-width: 240px;
  max-width: 260px;
  flex-shrink: 0;
  scroll-snap-align: start;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
}

.ar-timeline-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.ar-timeline-time {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-teal);
  font-variant-numeric: tabular-nums;
}

.ar-timeline-scene {
  font-size: 14px;
  font-weight: 700;
}

.ar-timeline-desc {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.ar-timeline-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-teal);
  opacity: 0.6;
}

/* Tech spec collapsible */
.ar-techspec {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.ar-techspec-header {
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
}

.ar-techspec-header span {
  font-size: 12px;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ar-techspec-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ar-techspec.open .ar-techspec-body {
  max-height: 400px;
}

.ar-techspec-body ul {
  list-style: none;
  padding: 0 20px 20px;
  margin: 0;
}

.ar-techspec-body li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ar-techspec-body li::before {
  content: '\2192';
  color: var(--accent-teal);
  font-weight: 700;
}

.ar-techspec-toggle {
  transition: transform 0.3s;
}

.ar-techspec.open .ar-techspec-toggle {
  transform: rotate(180deg);
}

/* ── Responsive: Tablet (max-width: 900px) ── */

@media (max-width: 900px) {
  .ar-agent-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ar-deploy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ar-quote {
    padding: 28px 32px;
  }

  .ar-quote blockquote {
    font-size: 18px;
  }

  .ar-task-evidence {
    display: none;
  }

  .ar-task-label {
    width: 140px;
    font-size: 12px;
  }
}

/* ── Responsive: Mobile (max-width: 600px) ── */

@media (max-width: 600px) {
  #sec-2.section--tall {
    padding-top: 60px;
    padding-bottom: 60px;
  }

  .ar-agent-grid {
    grid-template-columns: 1fr;
  }

  .ar-deploy-grid {
    grid-template-columns: 1fr;
  }

  .ar-evidence-grid {
    grid-template-columns: 1fr;
  }

  .ar-threat-grid {
    grid-template-columns: 1fr;
  }

  .ar-quote {
    padding: 24px;
  }

  .ar-quote blockquote {
    font-size: 16px;
  }

  .ar-task-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    margin-bottom: 16px;
  }

  .ar-task-label {
    width: auto;
    text-align: left;
    font-size: 12px;
  }

  .ar-task-evidence {
    width: auto;
    display: block;
    font-size: 10px;
  }

  .ar-security-section {
    padding: 28px 24px;
  }

  .ar-security-statement {
    font-size: 16px;
  }

  .ar-timeline-card {
    min-width: 200px;
    max-width: 220px;
  }
}

/* ── Reduced motion ── */

@media (prefers-reduced-motion: reduce) {
  .ar-deploy-bar-fill,
  .ar-task-fill,
  .ar-card-detail,
  .ar-techspec-body,
  .ar-card-toggle,
  .ar-techspec-toggle,
  .ar-agent-card,
  .ar-timeline-card {
    transition: none;
  }

  .ar-task-fill {
    width: var(--target-width);
  }

  .ar-deploy-bar-fill {
    transition: none;
  }
}

/* ── Missing class reconciliation ── */

/* Manus/Meta highlight card */
.ar-agent-card--highlight {
  border-color: rgba(245, 197, 66, 0.4);
  background: rgba(245, 197, 66, 0.04);
}

/* Deploy bar inline */
.ar-deploy-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin-top: auto;
  position: relative;
}

.ar-deploy-bar-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  background: var(--bar-color, var(--accent-teal));
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.ar-deploy-bar-label {
  font-size: 10px;
  color: var(--text-secondary);
  margin-top: 4px;
  display: block;
}

.ar-deploy-examples {
  font-size: 12px;
  color: var(--text-secondary);
}

.ar-deploy-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-coral);
  margin-top: 4px;
}

.ar-deploy-callout {
  background: rgba(78, 205, 196, 0.06);
  border: 1px solid rgba(78, 205, 196, 0.15);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  margin-top: 16px;
  margin-bottom: 48px;
  text-align: center;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.ar-deploy-callout strong {
  color: var(--accent-teal);
}

/* Evidence card layout (icon + content) */
.ar-evidence-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: rgba(245, 197, 66, 0.06);
  border: 1px solid rgba(245, 197, 66, 0.15);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-top: 16px;
}

.ar-evidence-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.ar-evidence-content {
  flex: 1;
}

.ar-evidence-content p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 8px;
}

.ar-evidence-content strong {
  color: var(--text-primary);
}

/* Quote sub-elements */
.ar-quote-text {
  font-size: 22px;
  line-height: 1.6;
  font-style: italic;
  font-weight: 300;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

.ar-quote-cite {
  font-size: 14px;
  font-style: normal;
  font-weight: 600;
  color: var(--accent-teal);
  margin-top: 16px;
  display: block;
}

.ar-quote-decoration {
  position: absolute;
  bottom: 20px;
  right: 24px;
  opacity: 0.15;
}

/* Stat bar with fill animation */
.ar-stat-bar {
  position: relative;
  background: rgba(78, 205, 196, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  margin-top: 16px;
  overflow: hidden;
}

.ar-stat-bar-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: rgba(78, 205, 196, 0.12);
  width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-sm);
}

.ar-stat-bar-fill.animated {
  width: var(--bar-target, 84%);
}

.ar-stat-bar-label {
  position: relative;
  z-index: 1;
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-teal);
  display: none;
}

.ar-stat-bar-text {
  position: relative;
  z-index: 1;
  font-size: 15px;
  font-weight: 600;
  color: var(--accent-teal);
  margin: 0;
}

.ar-stat-bar .stat-source {
  position: relative;
  z-index: 1;
}

/* Security section sub-elements */
.ar-security-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.ar-security-header svg {
  flex-shrink: 0;
  margin-top: 4px;
}

.ar-security-thesis {
  font-size: 20px;
  font-weight: 300;
  font-style: italic;
  color: var(--accent-coral);
  margin: 4px 0 0;
  line-height: 1.5;
}

.ar-security-footer {
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.ar-security-footer p {
  margin: 0 0 4px;
}

/* Threat card sub-elements */
.ar-threat-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  margin-bottom: 8px;
}

.ar-threat-card h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.ar-threat-card--solution {
  border-color: rgba(78, 205, 196, 0.2);
  background: rgba(78, 205, 196, 0.03);
}

.ar-threat-card--solution h4 {
  color: var(--accent-teal);
}

/* How It Works collapsible (smart home) */
.ar-howworks {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-top: 20px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.ar-howworks-toggle {
  width: 100%;
  padding: 16px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font);
  color: var(--text-primary);
  background: none;
  border: none;
}

.ar-howworks-toggle span {
  font-size: 12px;
  color: var(--accent-teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ar-howworks-chevron {
  color: var(--accent-teal);
  transition: transform 0.3s;
}

.ar-howworks.open .ar-howworks-chevron {
  transform: rotate(180deg);
}

.ar-howworks-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ar-howworks.open .ar-howworks-body {
  max-height: 400px;
}

.ar-howworks-body ul {
  list-style: none;
  padding: 0 20px 20px;
  margin: 0;
}

.ar-howworks-body li {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ar-howworks-body li::before {
  content: '\2192';
  color: var(--accent-teal);
  font-weight: 700;
}

/* Mobile responsive additions */
@media (max-width: 600px) {
  .ar-evidence-card {
    flex-direction: column;
    gap: 12px;
  }
  .ar-security-header {
    flex-direction: column;
    gap: 12px;
  }
  .ar-quote-text {
    font-size: 16px;
  }
}

@media (max-width: 900px) {
  .ar-quote-text {
    font-size: 18px;
  }
}