:root {
  --page-bg: #f5efe4;
  --surface: rgba(255, 252, 246, 0.9);
  --surface-strong: #fffaf1;
  --ink: #211c14;
  --muted: #6a6256;
  --line: rgba(33, 28, 20, 0.12);
  --accent: #b44c21;
  --accent-deep: #7f2e0e;
  --success: #2d7a51;
  --danger: #a33424;
  --shadow: 0 24px 80px rgba(81, 51, 25, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(180, 76, 33, 0.14), transparent 26%),
    radial-gradient(circle at top right, rgba(45, 122, 81, 0.12), transparent 22%),
    linear-gradient(180deg, #f8f2e8 0%, #f3ebdf 100%);
  font-family: Georgia, "Times New Roman", serif;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  background: rgba(33, 28, 20, 0.06);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

.site-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.site-header,
.demo-toolbar {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}

.site-header {
  padding: 16px 0 28px;
}

.brand-mark {
  display: inline-flex;
  flex-direction: row;
  gap: 8px;
  align-items: center;
}

.brand-mark__logo {
  height: 28px;
  width: auto;
  display: block;
}

.brand-mark__eyebrow,
.hero__kicker,
.section-heading__eyebrow,
.service-card__eyebrow,
.blog-card__meta,
.field-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
}

.brand-mark__name {
  font-size: 0.9rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav__link {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--muted);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 250, 241, 0.85);
}

.hero__copy,
.service-card,
.content-card,
.blog-card,
.light-card,
.summary-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__copy {
  padding: 40px;
  border-radius: var(--radius-xl);
}

.hero h1 {
  margin: 0;
  max-width: 10ch;
  line-height: 1.05;
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.hero__text,
.section-heading__desc,
.service-card p,
.blog-card p,
.markdown-body,
.service-facts,
.demo-toolbar__text,
.fact-list,
.empty-state {
  color: var(--muted);
  line-height: 1.7;
}

.section-block,
.blog-grid,
.content-grid {
  margin-top: 28px;
}

.service-grid,
.blog-grid,
.demo-split,
.content-grid,
.dali-grid,
.summary-strip {
  display: grid;
  gap: 18px;
}

.service-grid,
.blog-grid,
.dali-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.content-grid {
  grid-template-columns: 1.6fr 0.8fr;
}

.demo-split {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.summary-strip {
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  margin-bottom: 18px;
}

.service-card,
.content-card,
.blog-card,
.light-card,
.summary-card {
  padding: 24px;
}

.service-card {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.text-input,
.input-area {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(33, 28, 20, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font: inherit;
}

.input-area {
  min-height: 180px;
  resize: vertical;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.field-row {
  display: flex;
  gap: 12px;
}

.primary-button,
.light-card__actions button {
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
}

.primary-button,
.light-card__actions button[data-action="set"] {
  background: var(--accent);
  color: #fff7f0;
}

.connection-pill {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(163, 52, 36, 0.12);
  color: var(--danger);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.connection-pill.is-online {
  background: rgba(45, 122, 81, 0.12);
  color: var(--success);
}

.light-card.is-offline {
  opacity: 0.62;
}

.light-card.is-fault-flash {
  animation: fault-flash 1.4s ease-in-out infinite;
  border-color: rgba(200, 50, 40, 0.6);
}

.light-card.is-setting {
  animation: setting-flash 0.5s ease-out forwards;
  border-color: rgba(80, 160, 255, 0.7);
  box-shadow: 0 0 10px rgba(80, 160, 255, 0.35);
}

@keyframes fault-flash {
  0%, 100% { background: rgba(200, 50, 40, 0.08); }
  50% { background: rgba(200, 50, 40, 0.28); }
}

@keyframes setting-flash {
  0% { background: rgba(80, 160, 255, 0.3); }
  100% { background: transparent; }
}

.light-card__header,
.light-card__actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.badge-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(33, 28, 20, 0.08);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.7rem;
  text-transform: uppercase;
}

.badge.is-green {
  background: rgba(45, 122, 81, 0.14);
  color: var(--success);
}

.badge.is-red {
  background: rgba(163, 52, 36, 0.12);
  color: var(--danger);
}

.light-card__value {
  margin: 12px 0 16px;
  font-size: 3rem;
  line-height: 1;
}

.light-card.is-setting .light-card__value {
  color: rgba(80, 160, 255, 1);
  transition: color 0.1s;
}

/* ─── Quay Crane ─────────────────────────────────── */

.qc-section-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.qc-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.qc-tab:hover {
  background: var(--bg-alt);
  border-color: var(--accent);
}

.qc-tab.active {
  background: var(--accent);
  border-color: var(--accent);
}

.qc-tab.active .qc-tab__label,
.qc-tab.active .qc-tab__range {
  color: #fff;
}

.qc-tab__label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}

.qc-tab__range {
  font-size: 0.75rem;
  color: var(--muted);
}

.qc-section-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.qc-overview-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}

.qc-overview-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.qc-overview-card__title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.qc-overview-card__sub {
  font-size: 0.82rem;
  color: var(--muted);
}

/* Detail view */
.qc-back-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
  margin-bottom: 16px;
  display: inline-block;
}

.qc-back-btn:hover {
  text-decoration: underline;
}

.qc-detail-header {
  margin-bottom: 20px;
}

.qc-detail-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}

.qc-detail-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.qc-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  color: var(--muted);
}

.qc-badge.is-green {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.4);
  color: #16a34a;
}

.qc-badge.is-red {
  background: rgba(200, 50, 40, 0.1);
  border-color: rgba(200, 50, 40, 0.4);
  color: #c0302a;
}

/* Light cards in detail grid */
.qc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.qc-light-card {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  transition: border-color 0.2s;
}

.qc-light-card.is-offline {
  opacity: 0.5;
}

.qc-light-card.is-fault-flash {
  animation: fault-flash 1.4s ease-in-out infinite;
  border-color: rgba(200, 50, 40, 0.6);
}

.qc-light-card.is-setting {
  animation: setting-flash 0.5s ease-out forwards;
  border-color: rgba(80, 160, 255, 0.7);
  box-shadow: 0 0 10px rgba(80, 160, 255, 0.35);
}

.qc-light-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.qc-light-card__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
}

.qc-light-card__badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 3px;
}

.qc-addr-status {
  font-size: 0.7rem;
  color: var(--muted);
  font-family: monospace;
}

.qc-light-card__value {
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  margin: 8px 0 10px;
  color: var(--ink);
}

.qc-light-card.is-setting .qc-light-card__value {
  color: rgba(80, 160, 255, 1);
}

.qc-light-card__slider {
  width: 100%;
  margin-bottom: 10px;
}

.qc-light-card__actions {
  display: flex;
  gap: 6px;
}

.qc-light-card__diag {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  padding: 4px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.qc-diag-item {
  font-size: 0.75rem;
  color: var(--ink-muted);
}

.qc-diag-item strong {
  font-weight: 600;
  color: var(--ink);
}

.qc-btn {
  flex: 1;
  padding: 7px 4px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.qc-btn:hover {
  border-color: var(--accent);
  background: var(--bg-alt);
}

.qc-btn--set {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.qc-btn--set:hover {
  opacity: 0.85;
}

.light-card__slider {
  width: 100%;
}

.light-card__actions {
  margin-top: 14px;
}

.light-card__actions button {
  flex: 1;
}

.light-card__actions button[data-action="off"] {
  background: rgba(33, 28, 20, 0.08);
}

.light-card__actions button[data-action="max"] {
  background: rgba(45, 122, 81, 0.14);
  color: var(--success);
}

.config-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.config-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
}

.config-label {
  min-width: 160px;
  font-weight: 600;
  color: var(--ink);
}

.config-value {
  color: var(--muted);
  font-size: 0.85rem;
}

.config-hint {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.steps-list {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
}

.steps-list li strong {
  color: var(--ink);
}

.content-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.content-card h3 + .config-block {
  margin-top: 0;
}

.steps-list code {
  background: var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
}

body.is-fault {
  animation: faultFlash 1s ease-in-out infinite;
  transition: background-color 0.3s;
}

@keyframes faultFlash {
  0%, 100% { background-color: var(--bg); }
  50% { background-color: #3a0a0a; }
}

body.is-fault .site-shell {
  border-color: #ff4444;
}

.fault-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #cc0000;
  color: #fff;
  text-align: center;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  animation: faultFlashBanner 0.8s ease-in-out infinite;
  box-shadow: 0 2px 12px rgba(200, 0, 0, 0.4);
}

@keyframes faultFlashBanner {
  0%, 100% { background: #cc0000; }
  50% { background: #ff2222; }
}

.fault-banner__dismiss {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.4);
  color: #fff;
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
}

.fault-banner__dismiss:hover {
  background: rgba(255,255,255,0.35);
}

@media (max-width: 840px) {
  .site-header,
  .demo-toolbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }

  .hero__copy {
    padding: 28px;
  }

  .hero h1 {
    max-width: none;
  }
}

/* ─── Marketing page ─────────────────────────── */

.marketing-wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  font-family: var(--font-body);
  color: var(--ink);
}

.mkt-section {
  margin-bottom: 72px;
}

/* Hero */
.mkt-section--hero {
  text-align: center;
  padding: 40px 0 56px;
}

.mkt-kicker {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.mkt-headline {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 24px;
}

.mkt-subline {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Hero image */
.mkt-image--hero {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin-bottom: 40px;
  display: block;
}

/* Story section image */
.mkt-image--story {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin: 32px 0;
  display: block;
}

/* Stats */
.mkt-section--stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.mkt-stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
}

.mkt-stat__number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 6px;
}

.mkt-stat__label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 8px;
}

.mkt-stat__note {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

/* Two-col feature grid */
.mkt-section--two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mkt-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 28px 32px;
}

.mkt-icon-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.mkt-icon {
  font-size: 1.6rem;
  line-height: 1;
}

.mkt-icon-label h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
}

.mkt-col p {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

/* How it works */
.mkt-section-title {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--ink);
}

.mkt-steps {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 680px;
  margin: 0 auto;
}

.mkt-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.mkt-step__num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mkt-step__body h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--ink);
}

.mkt-step__body p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.6;
  margin: 0;
}

.mkt-step__body p code {
  background: var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.82rem;
}

/* CTA */
.mkt-section--cta {
  text-align: center;
  padding: 48px 32px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
}

.mkt-section--cta h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 10px;
}

.mkt-section--cta p {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 24px;
}

.mkt-cta-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.mkt-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: opacity 0.2s;
}

.mkt-btn:hover { opacity: 0.85; }

.mkt-btn--primary {
  background: var(--accent);
  color: #fffaf1;
}

.mkt-btn--secondary {
  background: rgba(33, 28, 20, 0.08);
  color: var(--ink);
}

/* Network topology section */
.mkt-section--network {
  padding: 40px 0;
}

.mkt-network-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 32px;
}

.mkt-network-text {
  max-width: 480px;
}

.mkt-network-title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
  margin: 12px 0 16px;
}

.mkt-network-desc {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.mkt-network-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--muted);
  align-items: center;
}

.mkt-legend-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
}

.mkt-legend-dot--healthy { background: #f6b73c; box-shadow: 0 0 5px #f6b73c; }
.mkt-legend-dot--active {
  background: transparent;
  border: 2px dashed #f6b73c;
  width: 14px;
  height: 3px;
  border-radius: 0;
  margin-bottom: 2px;
}
.mkt-legend-dot--fault { background: #ff4d4f; box-shadow: 0 0 5px #ff4d4f; }
.mkt-legend-dot--offline { background: #5f6b78; }

.mkt-network-svg-wrap {
  max-width: 340px;
  margin: 0 auto;
}

.spiderweb-svg {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.mkt-network-labels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.mkt-node-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.mkt-node-label__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}

.mkt-node-label__dot--core { background: #f6b73c; box-shadow: 0 0 8px #f6b73c; }
.mkt-node-label__dot--teal { background: #28d7c5; box-shadow: 0 0 8px #28d7c5; }
.mkt-node-label__dot--fault { background: #ff4d4f; box-shadow: 0 0 8px #ff4d4f; animation: blink 1.2s ease-in-out infinite; }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.38} }

.mkt-node-label__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 2px;
}

.mkt-node-label__sub {
  font-size: 0.75rem;
  color: var(--muted);
  line-height: 1.4;
}

/* ---------------------------------------------------------------------------
   View tabs (Lights / Zones)
   --------------------------------------------------------------------------- */
.view-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--line);
  margin-bottom: 20px;
}

.view-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: color 160ms, border-color 160ms;
  font-family: inherit;
}

.view-tab:hover {
  color: var(--ink);
}

.view-tab.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------------------------------------------------------------------------
   Zone cards
   --------------------------------------------------------------------------- */
.zone-summary {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.zone-summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  min-width: 100px;
}

.zone-summary-card strong {
  display: block;
  font-size: 1.3rem;
  color: var(--ink);
}

.zone-summary-card span {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.zone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.zone-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px;
  cursor: pointer;
  transition: border-color 160ms, box-shadow 160ms;
  position: relative;
}

.zone-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 12px rgba(40, 215, 197, 0.08);
}

.zone-card.is-fault {
  border-color: #ff4d4f;
  background: rgba(255, 77, 79, 0.03);
}

.zone-card.is-offline {
  opacity: 0.55;
}

.zone-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.zone-card__name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
}

.zone-card__status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 4px;
}

.zone-card__status.is-healthy { background: #f6b73c; box-shadow: 0 0 5px #f6b73c; }
.zone-card__status.is-fault { background: #ff4d4f; animation: zoneBlink 1.2s ease-in-out infinite; }
.zone-card__status.is-offline { background: #5f6b78; }
.zone-card__status.is-dimmed { background: #28d7c5; }

.zone-card__level {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
  margin-bottom: 4px;
}

.zone-card__level-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.zone-card__meta {
  font-size: 0.75rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 8px;
  margin-top: 4px;
}

.zone-card__slider-wrap {
  margin-top: 10px;
}

.zone-card__slider {
  width: 100%;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Scene preset buttons */
.scene-presets {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
}

.scene-presets__label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  font-weight: 600;
}

.scene-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.scene-btn {
  background: none;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: border-color 160ms, color 160ms, background 160ms;
  font-family: inherit;
}

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

.scene-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

@keyframes zoneBlink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ========================================================================
   Retail Lighting Intelligence — rtl-* namespace
   ======================================================================== */

:root {
  --rtl-bg: #f4f1eb;
  --rtl-surface: #ffffff;
  --rtl-ink: #1a1a2e;
  --rtl-muted: #6b7280;
  --rtl-accent: #28d7c5;
  --rtl-accent-dark: #1ea89e;
  --rtl-fault: #ff4d4f;
  --rtl-warning: #f59e0b;
  --rtl-healthy: #f6b73c;
  --rtl-dimmed: #a78bfa;
  --rtl-line: #e5e0d8;
  --rtl-radius: 14px;
  --rtl-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

/* Hero */
.rtl-hero {
  background: var(--ink);
  color: #fff;
  padding: 72px clamp(24px, 5vw, 80px) 64px;
  text-align: center;
}

.rtl-hero__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rtl-accent);
  margin-bottom: 16px;
  font-weight: 700;
}

.rtl-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin: 0 auto 20px;
  max-width: 16ch;
}

.rtl-hero__sub {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.65);
  max-width: 52ch;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.rtl-hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.rtl-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background 160ms, color 160ms, box-shadow 160ms, transform 80ms;
  white-space: nowrap;
}

.rtl-btn:active { transform: scale(0.97); }

.rtl-btn--primary {
  background: var(--rtl-accent);
  color: #fff;
}

.rtl-btn--primary:hover {
  background: var(--rtl-accent-dark);
  box-shadow: 0 4px 16px rgba(40, 215, 197, 0.35);
}

.rtl-btn--ghost {
  background: transparent;
  color: rgba(255,255,255,0.75);
  border: 1.5px solid rgba(255,255,255,0.25);
}

.rtl-btn--ghost:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.rtl-btn--sm {
  padding: 8px 16px;
  font-size: 0.8rem;
  border-radius: 8px;
}

.rtl-btn--ghost.rtl-btn--sm {
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
}

/* Section */
.rtl-section {
  padding: 64px clamp(24px, 5vw, 80px);
  background: var(--rtl-bg);
}

.rtl-section--dark {
  background: var(--ink);
  color: #fff;
}

.rtl-section--light {
  background: #f0ede8;
}

.rtl-section--alert {
  background: #fff8f8;
}

.rtl-section--cta {
  background: var(--ink);
  text-align: center;
  padding: 72px clamp(24px, 5vw, 80px);
}

.rtl-section__heading {
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: center;
}

.rtl-section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--rtl-ink);
  line-height: 1.25;
  margin: 10px 0 0;
}

.rtl-section--dark .rtl-section__title { color: #fff; }
.rtl-section--light .rtl-section__title { color: var(--rtl-ink); }

.rtl-section__desc {
  color: var(--rtl-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-top: 10px;
}

.rtl-section--dark .rtl-section__desc { color: rgba(255,255,255,0.55); }

.rtl-kicker {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rtl-accent);
  font-weight: 700;
}

/* Use case grid */
.rtl-usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1100px;
  margin: 0 auto;
}

.rtl-usecase {
  background: var(--rtl-surface);
  border: 1px solid var(--rtl-line);
  border-radius: var(--rtl-radius);
  padding: 28px;
  box-shadow: var(--rtl-shadow);
}

.rtl-usecase__icon {
  font-size: 1.6rem;
  color: var(--rtl-accent);
  margin-bottom: 14px;
  display: block;
}

.rtl-usecase h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--rtl-ink);
  margin: 0 0 8px;
}

.rtl-usecase p {
  font-size: 0.87rem;
  color: var(--rtl-muted);
  line-height: 1.65;
  margin: 0;
}

/* Store tabs */
.rtl-store-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  border-bottom: 2px solid rgba(255,255,255,0.1);
  padding-bottom: 0;
}

.rtl-store-tab {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255,255,255,0.45);
  cursor: pointer;
  font-family: inherit;
  transition: color 160ms, border-color 160ms;
  margin-bottom: -2px;
}

.rtl-store-tab:hover { color: rgba(255,255,255,0.8); }

.rtl-store-tab.is-active {
  color: var(--rtl-accent);
  border-bottom-color: var(--rtl-accent);
}

/* Controls bar */
.rtl-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.06);
  border-radius: 10px;
}

.rtl-controls-bar__scene {
  display: flex;
  align-items: center;
  gap: 10px;
}

.rtl-controls-bar__label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

.rtl-scene-badge {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rtl-accent);
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(40, 215, 197, 0.12);
  border: 1px solid rgba(40, 215, 197, 0.3);
}

.rtl-controls-bar__actions {
  display: flex;
  gap: 8px;
}

/* Store cards */
.rtl-stores-area {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.rtl-store-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--rtl-radius);
  padding: 20px;
}

.rtl-store-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.rtl-store-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}

.rtl-store-card__address {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin-top: 2px;
}

.rtl-store-card__health {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  white-space: nowrap;
}

.rtl-health-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.rtl-health-dot.is-healthy { background: var(--rtl-healthy); box-shadow: 0 0 6px var(--rtl-healthy); }
.rtl-health-dot.is-fault { background: var(--rtl-fault); animation: blink 1.2s ease-in-out infinite; }
.rtl-health-dot.is-offline { background: #5f6b78; }

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.rtl-store-card__summary {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.rtl-summary-chip {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.55);
}

.rtl-summary-chip.is-ok { background: rgba(40,215,197,0.15); color: var(--rtl-accent); }
.rtl-summary-chip.is-fault { background: rgba(255,77,79,0.15); color: var(--rtl-fault); }

/* Zone grid inside store card */
.rtl-zone-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
}

/* Zone card */
.rtl-zone-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: border-color 160ms, background 160ms;
}

.rtl-zone-card:hover {
  border-color: var(--rtl-accent);
  background: rgba(40,215,197,0.05);
}

.rtl-zone-card.is-fault {
  border-color: var(--rtl-fault);
  background: rgba(255,77,79,0.05);
}

.rtl-zone-card.is-offline { opacity: 0.5; }

.rtl-zone-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.rtl-zone-card__name {
  font-size: 0.78rem;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  line-height: 1.2;
}

.rtl-zone-card__status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}

.rtl-zone-card__status.is-healthy { background: var(--rtl-healthy); box-shadow: 0 0 5px var(--rtl-healthy); }
.rtl-zone-card__status.is-fault { background: var(--rtl-fault); animation: blink 1.2s ease-in-out infinite; }
.rtl-zone-card__status.is-offline { background: #5f6b78; }
.rtl-zone-card__status.is-dimmed { background: var(--rtl-dimmed); }

.rtl-zone-card__level {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 2px;
}

.rtl-zone-card__label {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.rtl-zone-card__slider {
  width: 100%;
  accent-color: var(--rtl-accent);
  cursor: pointer;
  height: 4px;
}

/* Scene buttons */
.rtl-scenes-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.rtl-scene-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  min-width: 90px;
  background: var(--rtl-surface);
  border: 2px solid var(--rtl-line);
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
  transition: border-color 160ms, background 160ms, transform 80ms;
}

.rtl-scene-btn:hover {
  border-color: var(--rtl-accent);
  transform: translateY(-2px);
}

.rtl-scene-btn.is-active {
  border-color: var(--rtl-accent);
  background: rgba(40,215,197,0.08);
}

.rtl-scene-btn__icon {
  font-size: 1.4rem;
}

.rtl-scene-btn {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--rtl-ink);
}

/* Alert panel */
.rtl-alerts-panel {
  background: var(--rtl-surface);
  border: 1px solid #f5c6c6;
  border-radius: var(--rtl-radius);
  overflow: hidden;
  max-width: 800px;
  margin: 0 auto;
  box-shadow: var(--rtl-shadow);
}

.rtl-alerts-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background: #fff5f5;
  border-bottom: 1px solid #f5c6c6;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--rtl-fault);
}

.rtl-alert-badge {
  background: var(--rtl-fault);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 10px;
  border-radius: 999px;
}

.rtl-alerts-list {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rtl-alert-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--rtl-line);
  background: #fff;
  transition: opacity 200ms;
}

.rtl-alert-row.is-critical { border-color: #f5c6c6; background: #fff8f8; }
.rtl-alert-row.is-warning  { border-color: #fde68a; background: #fffbeb; }
.rtl-alert-row.is-acknowledged { opacity: 0.5; }

.rtl-alert-row__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  width: 28px;
  text-align: center;
}

.is-critical .rtl-alert-row__icon { color: var(--rtl-fault); }
.is-warning  .rtl-alert-row__icon { color: var(--rtl-warning); }
.is-info     .rtl-alert-row__icon { color: #3b82f6; }

.rtl-alert-row__body {
  flex: 1;
}

.rtl-alert-row__store {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--rtl-ink);
}

.rtl-alert-row__detail {
  font-size: 0.78rem;
  color: var(--rtl-muted);
}

.rtl-alert-row__time {
  font-size: 0.72rem;
  color: var(--rtl-muted);
  margin-top: 2px;
}

.rtl-alert-row__ack {
  background: none;
  border: 1.5px solid var(--rtl-line);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rtl-muted);
  cursor: pointer;
  font-family: inherit;
  flex-shrink: 0;
  transition: border-color 160ms, color 160ms;
}

.rtl-alert-row__ack:hover {
  border-color: var(--rtl-accent);
  color: var(--rtl-accent);
}

.rtl-alert-example {
  padding: 16px 20px;
  border-top: 1px solid var(--rtl-line);
  background: #f9f7f4;
}

.rtl-alert-example__label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--rtl-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.rtl-alert-example__code {
  background: var(--ink);
  color: #a5f3d4;
  padding: 16px;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.7;
  margin: 0;
  white-space: pre;
  font-family: 'Courier New', Courier, monospace;
}

/* Energy insights */
.rtl-insights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.rtl-insight-card {
  background: var(--rtl-surface);
  border: 1px solid var(--rtl-line);
  border-radius: var(--rtl-radius);
  padding: 24px;
  box-shadow: var(--rtl-shadow);
}

.rtl-insight-card__metric {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--rtl-accent);
  line-height: 1;
  margin-bottom: 4px;
}

.rtl-insight-card__label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--rtl-ink);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.rtl-insight-card__desc {
  font-size: 0.85rem;
  color: var(--rtl-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.rtl-insight-card__action {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--rtl-accent-dark);
}

/* Flow / How it works */
.rtl-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.rtl-flow__step {
  flex: 1;
  min-width: 160px;
}

.rtl-flow__num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--rtl-accent);
  color: #fff;
  font-weight: 800;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.rtl-flow__body h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--rtl-ink);
  margin: 0 0 6px;
}

.rtl-flow__body p {
  font-size: 0.82rem;
  color: var(--rtl-muted);
  line-height: 1.6;
  margin: 0;
}

.rtl-flow__arrow {
  font-size: 1.4rem;
  color: var(--rtl-accent);
  padding: 10px 8px 0;
  flex-shrink: 0;
}

/* CTA section */
.rtl-cta-body {
  max-width: 700px;
  margin: 0 auto;
}

.rtl-cta-body h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
}

.rtl-cta-body > p {
  color: rgba(255,255,255,0.55);
  font-size: 0.95rem;
  margin: 0 0 32px;
}

.rtl-cta-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* Pricing tiers */
.rtl-pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  text-align: center;
}

@media (max-width: 600px) {
  .rtl-pricing { grid-template-columns: 1fr; }
}

.rtl-pricing-tier {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px;
  padding: 24px 16px;
}

.rtl-pricing-tier--featured {
  background: rgba(40,215,197,0.1);
  border-color: rgba(40,215,197,0.4);
}

.rtl-pricing-tier__name {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 8px;
}

.rtl-pricing-tier--featured .rtl-pricing-tier__name {
  color: var(--rtl-accent);
}

.rtl-pricing-tier__price {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 4px;
}

.rtl-pricing-tier__desc {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.4;
}

/* Modal */
.rtl-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(4px);
}

.rtl-modal {
  background: #fff;
  border-radius: 16px;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.rtl-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--rtl-line);
}

.rtl-modal__header h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--rtl-ink);
  margin: 0;
}

.rtl-modal__close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--rtl-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.rtl-modal__body {
  padding: 24px;
}

.rtl-energy-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.rtl-energy-summary__item {
  text-align: center;
  padding: 16px 8px;
  background: var(--rtl-bg);
  border-radius: 10px;
}

.rtl-energy-summary__val {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--rtl-accent-dark);
}

.rtl-energy-summary__label {
  font-size: 0.72rem;
  color: var(--rtl-muted);
  margin-top: 4px;
  line-height: 1.3;
}

.rtl-modal__body h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--rtl-ink);
  margin: 0 0 12px;
}

.rtl-energy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.rtl-energy-table th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--rtl-line);
  color: var(--rtl-muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rtl-energy-table td {
  padding: 10px;
  border-bottom: 1px solid var(--rtl-line);
  color: var(--rtl-ink);
}

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

/* Responsive */
@media (max-width: 640px) {
  .rtl-stores-area { grid-template-columns: 1fr; }
  .rtl-zone-grid { grid-template-columns: repeat(2, 1fr); }
  .rtl-flow { flex-direction: column; }
  .rtl-flow__arrow { display: none; }
  .rtl-energy-summary { grid-template-columns: 1fr; }
}

/* ========================================================================
   END Retail Lighting Intelligence
   ======================================================================== */

/* ---------------------------------------------------------------------------
   Story section — Before / After comparison
   --------------------------------------------------------------------------- */
.mkt-section--story {
  padding: 40px 0;
}

.mkt-story {
  max-width: 860px;
  margin: 0 auto;
}

.mkt-story__label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.mkt-story__headline {
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin: 0 0 28px;
}

.mkt-story__body {
  margin-bottom: 40px;
}

.mkt-story__body p {
  color: var(--ink);
  line-height: 1.75;
  font-size: 1rem;
  margin: 0 0 16px;
}

.mkt-story__comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
}

.mkt-compare {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.mkt-compare--before {
  background: rgba(163, 52, 36, 0.06);
}

.mkt-compare--after {
  background: rgba(45, 122, 81, 0.07);
}

.mkt-compare__label {
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  color: var(--ink);
}

.mkt-compare ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mkt-compare ul li {
  font-size: 0.9rem;
  color: var(--ink);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.mkt-compare--before ul li::before {
  content: '✗';
  position: absolute;
  left: 0;
  color: var(--danger);
  font-weight: 700;
}

.mkt-compare--after ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
}

/* ─── Document Generator form ────────────────── */

.doc-form__hint {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0 0 16px;
}

.doc-upload-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.doc-upload-zone {
  position: relative;
  border: 2px dashed var(--line);
  border-radius: 8px;
  padding: 20px 12px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--surface);
}

.doc-upload-zone:hover,
.doc-upload-zone.drag-over {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 6%, transparent);
}

.doc-upload-zone.drag-over {
  border-style: solid;
}

.doc-upload-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.doc-upload-zone__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}

.doc-upload-zone__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.doc-upload-zone__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
}

.doc-upload-zone__hint {
  font-size: 0.78rem;
  color: var(--muted);
}

.doc-upload-zone__files {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 500;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-form__section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.doc-form__section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}

.doc-form__section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.doc-form__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 8px;
}

.doc-form__status {
  font-size: 0.88rem;
}

.doc-form__section-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--muted);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ---------------------------------------------------------------------------
   Camera stream — multi-camera ready
   --------------------------------------------------------------------------- */
.camera-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.camera-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.camera-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 8px;
  border-bottom: 1px solid var(--line);
}

.camera-card__title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink);
}

.camera-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--muted);
}

.camera-status__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  transition: background 0.3s;
}

.camera-status.is-online .camera-status__dot { background: var(--success); }
.camera-status.is-offline .camera-status__dot { background: var(--danger); }
.camera-status.is-connecting .camera-status__dot {
  background: #e8a020;
  animation: pulse-dot 1.2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.camera-card__stream-wrap {
  position: relative;
  background: #0e0e0e;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.camera-card__stream {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.camera-card__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14, 14, 14, 0.72);
  color: #f0ece4;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}

.camera-card__overlay.is-visible { opacity: 1; }

.camera-card__overlay-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.camera-card__overlay-inner span { font-weight: 700; font-size: 0.95rem; }
.camera-card__overlay-inner small { font-size: 0.75rem; opacity: 0.7; }

.camera-card__timestamp {
  position: absolute;
  bottom: 7px;
  right: 9px;
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.65);
  font-family: Consolas, "Courier New", monospace;
  background: rgba(0, 0, 0, 0.35);
  padding: 2px 5px;
  border-radius: 4px;
}

.camera-card__footer {
  padding: 8px 16px 12px;
  font-size: 0.78rem;
  color: var(--muted);
}

/* ---------------------------------------------------------------------------
   Live panel — camera + controls side-by-side
   --------------------------------------------------------------------------- */
.live-panel {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 24px;
  align-items: start;
}

.live-panel__left .section-heading {
  margin-bottom: 16px;
}

.live-panel__right .section-heading {
  margin-bottom: 16px;
}

/* ---------------------------------------------------------------------------
   Light card diagnostics strip
   --------------------------------------------------------------------------- */
.light-card__diagnostics {
  display: flex;
  gap: 14px;
  margin: 4px 0 8px;
  padding: 6px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.diag-item {
  font-size: 0.78rem;
  color: var(--muted);
}

.diag-item strong {
  color: var(--ink);
  font-weight: 700;
}

/* Responsive */
@media (max-width: 900px) {
  .live-panel {
    grid-template-columns: 1fr;
  }

  .camera-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 640px) {
  .mkt-section--stats { grid-template-columns: 1fr; }
  .mkt-section--two-col { grid-template-columns: 1fr; }
  .mkt-headline { font-size: 1.9rem; }
}

/* ===========================================================================
   UX Polish Layer — fluid transitions, scroll reveals, focus, perf
   =========================================================================== */

:root {
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 140ms;
  --t-base: 220ms;
  --t-slow: 420ms;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Page entrance — body fades up on first paint, removed once loaded */
body {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--t-slow) var(--ease-out),
              transform var(--t-slow) var(--ease-out);
}
body.is-loaded {
  opacity: 1;
  transform: none;
}

/* Soft fade between routes (when JS triggers it before navigation) */
body.is-leaving {
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms var(--ease-in-out),
              transform 180ms var(--ease-in-out);
}

/* Scroll-reveal — JS adds .is-visible when element enters viewport */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease-out),
              transform 600ms var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
/* Stagger children when parent gets a stagger class */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ease-out),
              transform 520ms var(--ease-out);
}
.reveal-stagger.is-visible > * { opacity: 1; transform: none; }
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 40ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 90ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 140ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 190ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 290ms; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 340ms; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 390ms; }

/* Smoother global transitions on common interactive elements */
.site-nav__link {
  transition: color var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}
.site-nav__link:hover { transform: translateY(-1px); }
.site-nav__link:active { transform: translateY(0); }

.brand-mark { transition: transform var(--t-base) var(--ease-out); }
.brand-mark:hover { transform: scale(1.02); }

/* Cards: smooth hover-lift across all card flavours */
.service-card,
.content-card,
.blog-card,
.light-card,
.summary-card,
.zone-card,
.mkt-stat,
.mkt-col,
.rtl-usecase,
.rtl-store-card,
.qc-overview-card,
.qc-light-card,
.zone-summary-card {
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out);
  will-change: transform;
}

.service-card:hover,
.blog-card:hover,
.mkt-stat:hover,
.mkt-col:hover,
.rtl-usecase:hover,
.summary-card:hover,
.zone-summary-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 28px 60px rgba(81, 51, 25, 0.16);
  border-color: rgba(180, 76, 33, 0.32);
}

.content-card:hover {
  box-shadow: 0 28px 60px rgba(81, 51, 25, 0.14);
}

/* Buttons — universal lift + press feedback */
.primary-button,
.mkt-btn,
.scene-btn,
.qc-btn,
.fault-banner__dismiss,
.light-card__actions button {
  transition: background var(--t-fast) var(--ease-out),
              color var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              transform 90ms var(--ease-out);
}
.primary-button:hover,
.mkt-btn:hover,
.qc-btn:hover,
.light-card__actions button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(180, 76, 33, 0.22);
}
.primary-button:active,
.mkt-btn:active,
.scene-btn:active,
.qc-btn:active,
.light-card__actions button:active,
.fault-banner__dismiss:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

/* Inputs — gentle focus glow */
.text-input,
.input-area {
  transition: border-color var(--t-fast) var(--ease-out),
              box-shadow var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out);
}
.text-input:hover,
.input-area:hover {
  border-color: rgba(33, 28, 20, 0.22);
}
.text-input:focus,
.input-area:focus {
  outline: none;
  border-color: var(--accent);
  background: #fffaf3;
  box-shadow: 0 0 0 3px rgba(180, 76, 33, 0.16);
}

/* Universal accessible focus ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}
.site-nav__link:focus-visible,
.primary-button:focus-visible,
.mkt-btn:focus-visible,
.qc-btn:focus-visible,
.scene-btn:focus-visible {
  outline-offset: 4px;
}

/* Image polish — fade in once loaded, remove jarring pop-in */
img {
  opacity: 0;
  transition: opacity 480ms var(--ease-out),
              transform 600ms var(--ease-out);
}
img.is-loaded,
img[data-loaded="true"] {
  opacity: 1;
}
.brand-mark__logo,
.camera-card__stream {
  /* Keep critical/live images visible immediately */
  opacity: 1;
}
.mkt-image {
  transform: scale(1.02);
}
.mkt-image.is-loaded {
  transform: scale(1);
}

/* Tabs — smoother underline slide */
.view-tab,
.qc-tab,
.rtl-store-tab {
  transition: color var(--t-base) var(--ease-out),
              background var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              transform var(--t-fast) var(--ease-out);
}
.view-tab:hover,
.qc-tab:hover,
.rtl-store-tab:hover {
  transform: translateY(-1px);
}

/* Smoother light card state changes */
.light-card,
.qc-light-card,
.zone-card {
  transition: transform var(--t-base) var(--ease-out),
              box-shadow var(--t-base) var(--ease-out),
              border-color var(--t-base) var(--ease-out),
              opacity var(--t-base) var(--ease-out),
              background var(--t-base) var(--ease-out);
}
.light-card__value,
.qc-light-card__value,
.zone-card__level {
  transition: color var(--t-base) var(--ease-out);
}

/* Hero copy — enter animation */
.hero__copy {
  animation: heroIn 700ms var(--ease-out) both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* Connection pill — pulse when online */
.connection-pill {
  transition: background var(--t-base) var(--ease-out),
              color var(--t-base) var(--ease-out);
}

/* Badge transitions */
.badge,
.qc-badge {
  transition: background var(--t-base) var(--ease-out),
              color var(--t-base) var(--ease-out);
}

/* Smoother fault banner entry */
.fault-banner {
  animation: bannerSlideDown 320ms var(--ease-out) both,
             faultFlashBanner 0.8s ease-in-out 320ms infinite;
}
@keyframes bannerSlideDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

/* Selection colour for personality */
::selection {
  background: rgba(180, 76, 33, 0.22);
  color: var(--ink);
}

/* Custom scrollbar — subtle, theme-matched */
@supports selector(::-webkit-scrollbar) {
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb {
    background: rgba(33, 28, 20, 0.18);
    border-radius: 999px;
    border: 2px solid transparent;
    background-clip: padding-box;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(180, 76, 33, 0.4);
    background-clip: padding-box;
    border: 2px solid transparent;
  }
}

/* Respect users who prefer reduced motion */
/* ═══════════════════════════════════════════════════════════════════
   QUAY CRANE LIGHTING CONTROL PAGE
   Flat industrial dark theme
═══════════════════════════════════════════════════════════════════ */

.qc-page {
  --qc-bg: #0a1018;
  --qc-panel: #0f1823;
  --qc-panel-border: #1c2d3f;
  --qc-text: #c8d4e0;
  --qc-text-muted: #4a6070;
  --qc-accent: #00c8ff;
  --qc-green: #22c55e;
  --qc-amber: #f59e0b;
  --qc-red: #ef4444;
  --qc-grey: #3a5068;
  --qc-card: #111e2c;

  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  background: var(--qc-bg);
  min-height: calc(100vh - 80px);
  font-family: 'IBM Plex Mono', 'Courier New', monospace;
  color: var(--qc-text);
}

/* ── Header ──────────────────────────────────────────────────────────────── */

.qc-header {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--qc-panel);
  border: 1px solid var(--qc-panel-border);
  border-radius: 8px;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.qc-header__left { flex: 1; min-width: 200px; }

.qc-header__title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #e8f0f8;
  letter-spacing: 0.02em;
}

.qc-header__sub {
  font-size: 0.72rem;
  color: var(--qc-text-muted);
  margin-top: 2px;
}

.qc-header__chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.qc-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--qc-panel-border);
  border-radius: 999px;
  font-size: 0.72rem;
  background: var(--qc-card);
  color: var(--qc-text-muted);
  white-space: nowrap;
}

.qc-chip__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  display: inline-block;
}
.qc-chip__dot--green { background: var(--qc-green); box-shadow: 0 0 4px var(--qc-green); }
.qc-chip__dot--red   { background: var(--qc-red);   box-shadow: 0 0 4px var(--qc-red); }
.qc-chip__dot--amber{ background: var(--qc-amber); box-shadow: 0 0 4px var(--qc-amber); }
.qc-chip__dot--grey { background: var(--qc-grey); }

.qc-header__summary {
  display: flex;
  gap: 24px;
}

.qc-summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.qc-summary-item__val {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--qc-accent);
  line-height: 1;
}

.qc-summary-item__lbl {
  font-size: 0.65rem;
  color: var(--qc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Main 2-col layout ─────────────────────────────────────────────────── */

.qc-main {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
  align-items: start;
}

@media (max-width: 960px) {
  .qc-main { grid-template-columns: 1fr; }
}

.qc-left  { display: flex; flex-direction: column; gap: 16px; }
.qc-right { display: flex; flex-direction: column; gap: 16px; }

/* ── Panels ────────────────────────────────────────────────────────────── */

.qc-panel {
  background: var(--qc-panel);
  border: 1px solid var(--qc-panel-border);
  border-radius: 8px;
  overflow: hidden;
}

.qc-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--qc-panel-border);
  background: #0d1620;
}

.qc-panel__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--qc-text-muted);
  font-weight: 600;
}

/* ── Crane schematic ──────────────────────────────────────────────────── */

.qc-panel--crane .qc-crane-schematic {
  padding: 12px 16px;
}

.qc-crane-svg {
  width: 100%;
  height: auto;
  display: block;
}

.qc-node { cursor: default; }
.qc-node__pulse { animation: qc-pulse 0.6s ease-out forwards; }

@keyframes qc-pulse {
  0%   { opacity: 0.8; r: 22; }
  100% { opacity: 0;   r: 32; }
}

/* ── Telemetry cards ──────────────────────────────────────────────────── */

.qc-panel--telemetry { }

.qc-telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 14px 16px;
}

.qc-telem-card {
  background: var(--qc-card);
  border: 1px solid var(--qc-panel-border);
  border-radius: 6px;
  padding: 12px;
}

.qc-telem-card__name {
  font-size: 0.72rem;
  color: var(--qc-text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qc-telem-card__grid { display: flex; flex-direction: column; gap: 4px; }

.qc-telem-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
}
.qc-telem-row__lbl { color: var(--qc-text-muted); }
.qc-telem-row__val { color: var(--qc-text); font-weight: 600; }

/* ── Control cards ────────────────────────────────────────────────────── */

.qc-panel--controls { }

.qc-control-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px 16px;
}

.qc-dev-card {
  background: var(--qc-card);
  border: 1px solid var(--qc-panel-border);
  border-radius: 6px;
  padding: 14px;
  transition: border-color 0.2s;
}

.qc-dev-card--fault {
  border-color: var(--qc-red);
  animation: qc-fault-flash 1.4s ease-in-out infinite;
}

@keyframes qc-fault-flash {
  0%, 100% { border-color: var(--qc-red); }
  50%       { border-color: rgba(239,68,68,0.3); }
}

.qc-dev-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 6px;
}

.qc-dev-card__name { font-size: 0.85rem; color: #e8f0f8; font-weight: 600; }
.qc-dev-card__addr { font-size: 0.72rem; color: var(--qc-text-muted); }

.qc-dev-card__status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-bottom: 10px;
}
.qc-dev-card__status--on      { background: rgba(34,197,94,0.15); color: var(--qc-green); }
.qc-dev-card__status--standby { background: rgba(0,200,255,0.1);  color: var(--qc-accent); }
.qc-dev-card__status--fault  { background: rgba(239,68,68,0.15); color: var(--qc-red);    }
.qc-dev-card__status--offline{ background: rgba(58,80,104,0.15); color: var(--qc-grey);   }

.qc-dev-card__metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
  margin-bottom: 10px;
  padding: 8px;
  background: rgba(0,0,0,0.2);
  border-radius: 4px;
}

.qc-dev-card__metric { display: flex; justify-content: space-between; font-size: 0.75rem; }
.qc-dev-card__metric-lbl { color: var(--qc-text-muted); }
.qc-dev-card__metric-val { color: var(--qc-text); font-weight: 600; }

.qc-dev-card__slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.qc-dev-card__slider {
  flex: 1;
  height: 4px;
  accent-color: var(--qc-accent);
  cursor: pointer;
}
.qc-dev-card__slider:disabled { opacity: 0.4; cursor: not-allowed; }

.qc-dev-card__slider-val {
  font-size: 0.78rem;
  color: var(--qc-accent);
  min-width: 36px;
  text-align: right;
  font-weight: 600;
}

.qc-dev-card__actions,
.qc-dev-card__query-row {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.qc-dev-btn {
  flex: 1;
  padding: 6px 4px;
  border-radius: 5px;
  border: 1px solid var(--qc-panel-border);
  background: var(--qc-panel);
  color: var(--qc-text);
  font-size: 0.72rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  text-align: center;
}
.qc-dev-btn:hover:not(:disabled) { background: rgba(0,200,255,0.1); border-color: var(--qc-accent); color: var(--qc-accent); }
.qc-dev-btn:active:not(:disabled){ background: rgba(0,200,255,0.2); }
.qc-dev-btn:disabled { opacity: 0.35; cursor: not-allowed; }

.qc-dev-btn--on   { background: rgba(34,197,94,0.1); border-color: rgba(34,197,94,0.3); color: var(--qc-green); }
.qc-dev-btn--on:hover:not(:disabled){ background: rgba(34,197,94,0.2); border-color: var(--qc-green); }

.qc-dev-btn--off  { background: rgba(58,80,104,0.2); border-color: rgba(58,80,104,0.4); }
.qc-dev-btn--off:hover:not(:disabled){ background: rgba(239,68,68,0.1); border-color: var(--qc-red); color: var(--qc-red); }

.qc-dev-btn--step { flex: 0.6; font-size: 0.85rem; }

.qc-dev-btn--query { flex: 1; background: rgba(0,200,255,0.05); border-color: rgba(0,200,255,0.2); color: var(--qc-accent); }
.qc-dev-btn--query:hover:not(:disabled){ background: rgba(0,200,255,0.15); }

/* ── Tabs bar ─────────────────────────────────────────────────────────────── */
.qc-tabs-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 12px;
  flex-wrap: wrap;
}

.qc-tabs {
  display: flex;
  gap: 8px;
}

.qc-tab {
  padding: 8px 20px;
  border-radius: 7px;
  border: 1px solid var(--qc-panel-border);
  background: var(--qc-panel);
  color: var(--qc-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}
.qc-tab:hover { border-color: var(--qc-accent); color: var(--qc-text); }
.qc-tab.is-active { background: var(--qc-accent); border-color: var(--qc-accent); color: #fff; }

.qc-btn--primary {
  background: var(--qc-green);
  border: 1px solid var(--qc-green);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  padding: 8px 20px;
  border-radius: 7px;
  transition: all 0.15s;
}
.qc-btn--primary:hover:not(:disabled) { background: #16a34a; border-color: #16a34a; }
.qc-btn--primary:disabled { opacity: 0.45; cursor: not-allowed; }

/* ── Section ──────────────────────────────────────────────────────────────── */
.qc-section { margin-bottom: 28px; }

.qc-section__head {
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--qc-panel-border);
}

.qc-section__title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--qc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.qc-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

/* ── Fault/offline card state ─────────────────────────────────────────────── */
.qc-dev-card--offline { opacity: 0.55; }

/* ── Live test panel ──────────────────────────────────────────────────── */

.qc-panel--test .qc-panel__head { gap: 12px; }

.qc-btn--ghost {
  background: transparent;
  border: 1px solid var(--qc-panel-border);
  color: var(--qc-text-muted);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}
.qc-btn--ghost:hover { border-color: var(--qc-text-muted); color: var(--qc-text); }

.qc-btn--sm { padding: 3px 10px; font-size: 0.7rem; }

.qc-event-log {
  max-height: 220px;
  overflow-y: auto;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qc-log-empty {
  color: var(--qc-text-muted);
  font-size: 0.75rem;
  padding: 10px 0;
  text-align: center;
}

.qc-log-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.73rem;
  padding: 3px 0;
  border-bottom: 1px solid rgba(28,45,63,0.5);
}
.qc-log-item:last-child { border-bottom: none; }

.qc-log-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.qc-log-dot--cyan  { background: var(--qc-accent); }
.qc-log-dot--green { background: var(--qc-green); }
.qc-log-dot--amber { background: var(--qc-amber); }
.qc-log-dot--red   { background: var(--qc-red); }

.qc-log-ts { color: var(--qc-text-muted); font-size: 0.7rem; min-width: 68px; }
.qc-log-addr { color: var(--qc-accent); font-size: 0.7rem; min-width: 38px; }
.qc-log-msg  { color: var(--qc-text); }

/* ── Device table ──────────────────────────────────────────────────────── */

.qc-panel--table { }

.qc-table-wrap {
  overflow-x: auto;
  padding: 0;
}

.qc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.qc-table th {
  padding: 8px 14px;
  text-align: left;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--qc-text-muted);
  background: #0d1620;
  border-bottom: 1px solid var(--qc-panel-border);
  white-space: nowrap;
}

.qc-table td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(28,45,63,0.5);
  color: var(--qc-text);
  vertical-align: middle;
}

.qc-table__row--fault td { color: var(--qc-red); }
.qc-table__row:last-child td { border-bottom: none; }
.qc-table__row:hover td { background: rgba(0,200,255,0.03); }

.qc-table__name { font-weight: 600; color: #e8f0f8; }
.qc-table__addr { color: var(--qc-accent); font-weight: 600; }

.qc-table__status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}
.qc-table__status--on      { background: rgba(34,197,94,0.15); color: var(--qc-green); }
.qc-table__status--standby { background: rgba(0,200,255,0.1);  color: var(--qc-accent); }
.qc-table__status--fault  { background: rgba(239,68,68,0.15); color: var(--qc-red);    }
.qc-table__status--offline{ background: rgba(58,80,104,0.15); color: var(--qc-grey);   }

.qc-table__btn {
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--qc-panel-border);
  background: var(--qc-panel);
  color: var(--qc-text);
  font-size: 0.7rem;
  font-family: inherit;
  cursor: pointer;
  margin-right: 4px;
  transition: all 0.15s;
}
.qc-table__btn:hover { background: rgba(0,200,255,0.1); border-color: var(--qc-accent); color: var(--qc-accent); }
.qc-table__btn--on:hover { background: rgba(34,197,94,0.15); border-color: var(--qc-green); color: var(--qc-green); }
.qc-table__btn--off:hover { background: rgba(239,68,68,0.15); border-color: var(--qc-red); color: var(--qc-red); }

/* ── Toast animations ─────────────────────────────────────────────────── */

@keyframes qc-toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Responsive ──────────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .qc-page { padding: 12px; gap: 12px; }
  .qc-header { flex-direction: column; align-items: flex-start; }
  .qc-header__summary { width: 100%; justify-content: space-between; }
  .qc-telemetry-grid { grid-template-columns: 1fr; }
}

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  body { opacity: 1; transform: none; }
  .reveal,
  .reveal-stagger > * { opacity: 1; transform: none; }
  img { opacity: 1; }
}

/* ── Blog: prompt copy button ── */
.prompt-copy-wrap {
  position: relative;
  margin: 1.5rem 0;
}

.prompt-vars {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.prompt-vars label {
  font-size: 0.85rem;
  color: var(--color-text-secondary, #9bb0c8);
  font-family: var(--font-mono, monospace);
  white-space: nowrap;
}

.prompt-vars input {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
  font-family: var(--font-mono, monospace);
  background: var(--color-surface-alt, #1a2332);
  border: 1.5px solid var(--color-border, #2d3d50);
  border-radius: 6px;
  color: var(--color-text, #e8edf4);
  outline: none;
  transition: border-color 0.18s;
}

.prompt-vars input:focus {
  border-color: var(--color-accent, #4a9eff);
}

.prompt-vars input#prompt-scene-count {
  width: 5rem;
}

.copy-icon-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--color-surface-alt, #1a2332);
  border: 1.5px solid var(--color-border, #2d3d50);
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s, border-color 0.18s, transform 0.12s;
}

.copy-icon-btn:hover {
  background: var(--color-border, #2d3d50);
  border-color: #4a607a;
  transform: scale(1.06);
}

.copy-icon-btn.is-copied {
  background: #162e22;
  border-color: #2d6a4f;
}

.copy-icon-btn__inner {
  position: relative;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-icon-btn__squares {
  width: 28px;
  height: 28px;
  color: var(--color-text-secondary, #9bb0c8);
  transition: opacity 0.15s;
}

.copy-icon-btn__check {
  position: absolute;
  width: 18px;
  height: 18px;
  color: #52b788;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.15s, transform 0.15s;
}

.copy-icon-btn.is-copied .copy-icon-btn__squares {
  opacity: 0;
}

.copy-icon-btn.is-copied .copy-icon-btn__check {
  opacity: 1;
  transform: scale(1);
}

.prompt-block {
  background: var(--color-surface-alt, #0f1722);
  border: 1px solid var(--color-border, #2d3d50);
  border-radius: 8px;
  padding: 1.5rem;
  padding-top: 3.5rem;
  overflow-x: auto;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--color-text, #c8d8e8);
  white-space: pre;
  margin: 0;
}

/* =============================================
   VIDEO PRODUCTION — FILM REFERENCE STYLES
   ============================================= */

.film-grid {
  display: grid;
  gap: 18px;
}
.film-grid--char {
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
.film-grid--props {
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.film-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.film-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 32px 100px rgba(81, 51, 25, 0.18);
}

.film-card__image-wrap {
  width: 100%;
  aspect-ratio: 2 / 3;
  overflow: hidden;
  background: rgba(33, 28, 20, 0.06);
}
.film-card--prop .film-card__image-wrap {
  aspect-ratio: 1 / 1;
}
.film-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.film-card__info {
  padding: 14px 16px;
}
.film-card__name {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 4px;
  color: var(--ink);
}
.film-card__role {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  letter-spacing: 0.04em;
}

.scene-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.scene-row {
  display: grid;
  grid-template-columns: 44px 1fr 1.5fr;
  gap: 16px;
  align-items: center;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 16px;
  transition: transform 0.2s;
}
.scene-row:hover {
  transform: translateX(4px);
}

.scene-row__num {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: rgba(33, 28, 20, 0.12);
  text-align: center;
}

.scene-row__image-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: rgba(33, 28, 20, 0.06);
}
.scene-row__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.scene-row__info {
  padding: 4px 0;
}
.scene-row__label {
  font-weight: 700;
  font-size: 0.95rem;
  margin: 0 0 6px;
  color: var(--ink);
}
.scene-row__note {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

@media (max-width: 600px) {
  .scene-row {
    grid-template-columns: 36px 1fr;
    grid-template-rows: auto auto;
  }
  .scene-row__info {
    grid-column: 2;
  }
}

/* ============================================================
   VIDEO PRODUCTION — TABBED ACCORDION LAYOUT
   ============================================================ */

.vp-page {
  --vp-bg: #f5efe4;
  --vp-surface: #fff;
  --vp-ink: #2c2418;
  --vp-muted: #7a6f5e;
  --vp-accent: #8b5e3c;
  --vp-line: rgba(44,36,24,0.15);
  --vp-radius: 10px;
  --vp-shadow: 0 2px 12px rgba(44,36,24,0.08);
  font-family: Georgia, serif;
  background: var(--vp-bg);
  color: var(--vp-ink);
  line-height: 1.6;
}

/* ---- HERO ---- */
.vp-hero {
  padding: 4rem 2rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--vp-line);
}
.vp-hero__kicker {
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--vp-muted);
  margin: 0 0 0.5rem;
}
.vp-hero__title {
  font-family: Georgia, serif;
  font-size: 2.5rem;
  font-weight: normal;
  margin: 0 0 0.5rem;
  color: var(--vp-ink);
  letter-spacing: -0.01em;
}
.vp-hero__subtitle {
  font-family: Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--vp-muted);
  margin: 0 0 0.75rem;
}
.vp-hero__logline {
  font-size: 1rem;
  color: var(--vp-ink);
  max-width: 56ch;
  margin: 0 auto;
  font-style: italic;
}

/* ---- STICKY TAB NAV ---- */
.vp-sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--vp-bg);
  border-bottom: 1px solid var(--vp-line);
  display: flex;
  overflow-x: auto;
  gap: 0;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.vp-sticky-nav::-webkit-scrollbar { display: none; }
.vp-tab-btn {
  flex-shrink: 0;
  padding: 0.85rem 1.25rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--vp-muted);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  white-space: nowrap;
}
.vp-tab-btn:hover { color: var(--vp-ink); }
.vp-tab-btn.is-active {
  color: var(--vp-accent);
  border-bottom-color: var(--vp-accent);
  font-weight: 600;
}

/* ---- TAB CONTENT ---- */
.vp-tab-content {
  display: none;
  padding: 2rem 2rem 4rem;
  max-width: 960px;
  margin: 0 auto;
}
.vp-tab-content.is-active { display: block; }
.vp-sec-title {
  font-family: Georgia, serif;
  font-size: 1.6rem;
  font-weight: normal;
  margin: 0 0 1.5rem;
  color: var(--vp-ink);
  border-bottom: 1px solid var(--vp-line);
  padding-bottom: 0.6rem;
}
.vp-count {
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: normal;
  color: var(--vp-muted);
}

/* ---- OVERVIEW TABLE ---- */
.vp-overview-table {
  width: 100%;
  border-collapse: collapse;
  font-family: Arial, sans-serif;
  font-size: 0.88rem;
}
.vp-overview-table th {
  text-align: left;
  padding: 0.4rem 1rem 0.4rem 0;
  color: var(--vp-muted);
  font-weight: 600;
  width: 35%;
  border-bottom: 1px solid var(--vp-line);
  vertical-align: top;
}
.vp-overview-table td {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--vp-line);
  vertical-align: top;
}

/* ---- STORY ARC ---- */
.story-arc {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.story-step {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--vp-line);
}
.story-step__label {
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--vp-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 0.15rem;
}
.story-step__desc {
  font-size: 0.9rem;
  color: var(--vp-ink);
  line-height: 1.5;
}

/* ---- CHARACTER GRID ---- */
.char-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.25rem;
}
.char-card {
  background: var(--vp-surface);
  border: 1px solid var(--vp-line);
  border-radius: var(--vp-radius);
  overflow: hidden;
  box-shadow: var(--vp-shadow);
}
.char-card__img {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: rgba(44,36,24,0.06);
}
.char-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.char-card__head {
  padding: 0.85rem 1rem 0.5rem;
}
.char-card__name {
  font-family: Georgia, serif;
  font-size: 1.05rem;
  margin: 0 0 0.2rem;
}
.char-card__role {
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--vp-muted);
  margin: 0 0 0.25rem;
}
.char-card__age {
  font-family: Arial, sans-serif;
  font-size: 0.72rem;
  background: rgba(139,94,60,0.12);
  color: var(--vp-accent);
  padding: 1px 6px;
  border-radius: 4px;
}
.char-card__toggle {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  background: rgba(44,36,24,0.04);
  border: none;
  border-top: 1px solid var(--vp-line);
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
  color: var(--vp-muted);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}
.char-card__toggle:hover { background: rgba(44,36,24,0.08); }
.char-card__expanded {
  display: none;
  padding: 0.75rem 1rem 1rem;
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  line-height: 1.55;
  border-top: 1px solid var(--vp-line);
}
.char-card__expanded.is-open { display: block; }
.char-card__expanded p { margin: 0 0 0.5rem; }
.char-card__expanded ul {
  margin: 0 0 0.75rem;
  padding-left: 1.25rem;
}
.char-card__expanded li { margin-bottom: 0.2rem; }

/* ---- LOCATION LIST ---- */
.loc-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.loc-card {
  background: var(--vp-surface);
  border: 1px solid var(--vp-line);
  border-radius: var(--vp-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--vp-shadow);
}
.loc-card__title-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.loc-card__name {
  font-family: Georgia, serif;
  font-size: 1rem;
  margin: 0;
}
.loc-card__appears {
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  color: var(--vp-muted);
  flex-shrink: 0;
}
.loc-card__desc {
  font-size: 0.85rem;
  margin: 0 0 0.75rem;
  color: var(--vp-ink);
}
.loc-card__prompt-label {
  font-family: Arial, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--vp-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0.75rem 0 0.25rem;
}
.loc-card__prompt { margin-top: 0.5rem; }

/* ---- SCENES ---- */
.scenes-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* ---- ACCORDIONS (shared) ---- */
.acc {
  background: var(--vp-surface);
  border: 1px solid var(--vp-line);
  border-radius: var(--vp-radius);
  overflow: hidden;
  box-shadow: var(--vp-shadow);
}
.acc__summary {
  list-style: none;
  padding: 0.9rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: Arial, sans-serif;
  font-size: 0.88rem;
  user-select: none;
  transition: background 0.15s;
}
.acc__summary::-webkit-details-marker { display: none; }
.acc__summary::before {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid var(--vp-muted);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.acc.is-open > .acc__summary::before {
  transform: rotate(90deg);
}
.acc__summary:hover { background: rgba(44,36,24,0.03); }
.acc__body {
  display: block !important;
  padding: 0 1.25rem 1.25rem;
}
.acc.is-open > .acc__body { display: block !important; }

/* Scene accordions */
.scene-num {
  font-weight: 700;
  color: var(--vp-accent);
  font-size: 0.78rem;
  flex-shrink: 0;
}
.scene-title {
  font-weight: 600;
  color: var(--vp-ink);
  flex: 1;
}
.scene-time {
  font-size: 0.75rem;
  color: var(--vp-muted);
  flex-shrink: 0;
}
.scene-thumb {
  border-radius: 4px;
  flex-shrink: 0;
}
.scene-meta { margin-bottom: 0.5rem; }
.scene-meta-field {
  margin: 0.25rem 0;
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--vp-ink);
}
.scene-clips {
  border-top: 1px solid var(--vp-line);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Clip accordions */
.clip-badge {
  background: rgba(139,94,60,0.12);
  color: var(--vp-accent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}
.clip-time {
  font-size: 0.75rem;
  color: var(--vp-muted);
  flex-shrink: 0;
}
.clip-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  font-family: Arial, sans-serif;
}
.clip-field-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vp-muted);
  margin: 0.6rem 0 0.2rem;
}

/* Dialogue cards */
.diag-card {
  background: rgba(44,36,24,0.03);
  border: 1px solid var(--vp-line);
  border-radius: 8px;
  padding: 0.65rem 0.85rem;
  margin: 0.4rem 0;
}
.diag-char {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--vp-ink);
}
.diag-text {
  font-size: 0.85rem;
  color: var(--vp-ink);
  margin: 0.2rem 0 0.25rem;
  font-style: italic;
}
.diag-sub {
  font-size: 0.75rem;
  color: var(--vp-muted);
}
.lang-badge {
  font-size: 0.65rem;
  background: rgba(44,36,24,0.08);
  padding: 0 4px;
  border-radius: 3px;
  margin-left: 0.4rem;
}
.diag-silence {
  font-size: 0.78rem;
  color: var(--vp-muted);
  font-style: italic;
  margin: 0.25rem 0;
}
.voice-dir-toggle {
  background: none;
  border: none;
  font-size: 0.72rem;
  color: var(--vp-accent);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  margin-top: 0.25rem;
}
.voice-dir-body {
  display: none;
  font-size: 0.75rem;
  color: var(--vp-muted);
  background: rgba(139,94,60,0.06);
  border-radius: 6px;
  padding: 0.4rem 0.65rem;
  margin-top: 0.25rem;
}
.voice-dir-body.is-open { display: block; }

/* ---- COPY BUTTON + PRE ---- */
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: rgba(44,36,24,0.07);
  border: 1px solid var(--vp-line);
  border-radius: 6px;
  font-family: Arial, sans-serif;
  font-size: 0.72rem;
  color: var(--vp-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 0.35rem;
}
.copy-btn:hover { background: rgba(44,36,24,0.14); color: var(--vp-ink); }
.copy-btn.copied { background: var(--vp-accent); color: #fff; border-color: var(--vp-accent); }
.prompt-pre {
  background: rgba(44,36,24,0.04);
  border: 1px solid var(--vp-line);
  border-radius: 8px;
  padding: 0.85rem 1rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.78rem;
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 0.75rem;
}

/* ---- AUDIO TIMELINE ---- */
.audio-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.audio-tc {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  color: var(--vp-muted);
  display: block;
  margin-bottom: 0.15rem;
}
.audio-trans {
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--vp-line);
}
.audio-trans-label {
  font-family: Arial, sans-serif;
  font-size: 0.82rem;
  font-style: italic;
  color: var(--vp-muted);
}
.audio-entry, .audio-sfx {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 0.75rem;
  padding: 0.35rem 0;
  align-items: start;
}

/* ---- TABLE ---- */
.vp-table-wrap {
  overflow-x: auto;
  border-radius: var(--vp-radius);
  border: 1px solid var(--vp-line);
}
.vp-table {
  width: 100%;
  border-collapse: collapse;
  font-family: Arial, sans-serif;
  font-size: 0.78rem;
}
.vp-table th {
  background: rgba(44,36,24,0.04);
  padding: 0.6rem 0.85rem;
  text-align: left;
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--vp-muted);
  border-bottom: 1px solid var(--vp-line);
}
.vp-table td {
  padding: 0.5rem 0.85rem;
  border-bottom: 1px solid var(--vp-line);
  vertical-align: top;
}
.vp-table tr:last-child td { border-bottom: none; }

/* ---- DIRECTOR NOTES ---- */
.dir-title {
  font-family: Arial, sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vp-accent);
  margin: 1.5rem 0 0.5rem;
}
.dir-body {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--vp-ink);
}
.file-naming, .assumptions { margin-top: 1.5rem; }
.file-naming-pre, .assumptions-pre { font-size: 0.78rem; }

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .vp-hero { padding: 2.5rem 1rem 2rem; }
  .vp-hero__title { font-size: 1.8rem; }
  .vp-tab-content { padding: 1.25rem 1rem 3rem; }
  .char-grid { grid-template-columns: 1fr 1fr; }
  .story-step { grid-template-columns: 1fr; gap: 0.25rem; }
  .audio-entry, .audio-sfx { grid-template-columns: 1fr; }
  .acc__summary { font-size: 0.8rem; padding: 0.75rem 1rem; }
  .scene-thumb { display: none; }
}