.electrical-installation-page {
  padding-top: 28px;
}

.electrical-installation-hero {
  align-items: stretch;
  gap: 22px;
  padding: 30px;
}

.install-summary {
  flex: 0.92;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.summary-tile {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.summary-label {
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.summary-value {
  font-size: 14px;
  line-height: 1.62;
  color: var(--color-ink);
  font-weight: 700;
}

.install-zones {
  margin-top: 22px;
  padding: 24px;
}

.zones-top {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.zones-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.24;
  color: var(--color-brand-900);
}

.zones-copy {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 82ch;
}

.zones-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.zone-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 100%;
}

.zone-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.28;
  color: var(--color-brand-900);
}

.zone-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--color-muted);
}

.electrical-installation-mid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
}

.checklist-panel,
.issue-panel {
  padding: 22px;
}

.panel-title {
  margin: 0 0 14px 0;
  font-size: 21px;
  line-height: 1.24;
  color: var(--color-brand-900);
}

.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.decision-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 14px 15px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.decision-name {
  font-size: 14px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--color-brand-900);
}

.decision-text {
  font-size: 14px;
  line-height: 1.64;
  color: var(--color-muted);
}

.issue-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.issue-row {
  border-radius: var(--radius-md);
  background: var(--color-brand-200);
  padding: 14px 15px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.issue-name {
  font-size: 13px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--color-brand-900);
}

.issue-text {
  font-size: 13px;
  line-height: 1.58;
  color: var(--color-ink);
}

.electrical-installation-shell {
  margin-top: 22px;
}

.installation-article {
  padding: 30px;
}

.installation-article-title {
  font-size: 31px;
}

.method-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  margin-bottom: 22px;
}

.method-box {
  border-radius: var(--radius-md);
  background: var(--color-brand-200);
  padding: 14px 15px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.method-label {
  font-size: 13px;
  font-weight: 900;
  color: var(--color-brand-900);
  line-height: 1.3;
}

.method-copy {
  font-size: 13px;
  line-height: 1.58;
  color: var(--color-ink);
}

.installation-sidebar {
  position: sticky;
  top: 24px;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-links a {
  text-decoration: none;
  color: var(--color-brand-900);
  font-weight: 700;
}

.sidebar-links a:hover {
  text-decoration: underline;
}

.footer-nav-expanded {
  align-items: flex-start;
}

.footer-links {
  flex-wrap: wrap;
  row-gap: 10px;
}

.nav-link.is-current,
.mobile-nav-link.is-current {
  background: var(--color-brand-200);
  color: var(--color-brand-900);
}

.footer-link.is-current {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body {
  gap: 20px;
}

.article-section {
  gap: 8px;
}

.article-paragraph {
  line-height: 1.74;
}

@media (max-width: 1100px) {
  .zones-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 980px) {
  .electrical-installation-hero {
    flex-direction: column;
  }

  .electrical-installation-mid {
    grid-template-columns: 1fr;
  }

  .method-band {
    grid-template-columns: 1fr;
  }

  .installation-sidebar {
    position: static;
  }
}

@media (max-width: 720px) {
  .electrical-installation-page {
    padding-top: 24px;
  }

  .electrical-installation-hero {
    padding: 22px;
    gap: 18px;
  }

  .install-zones,
  .checklist-panel,
  .issue-panel,
  .installation-article {
    padding: 18px;
  }

  .zones-grid,
  .decision-grid {
    grid-template-columns: 1fr;
  }

  .installation-article-title {
    font-size: 27px;
  }

  .summary-tile,
  .zone-card,
  .decision-item,
  .issue-row,
  .method-box {
    padding: 14px;
  }
}