:root {
  --primary: #0d1b2a;
  --accent: #e0a96d;
  --accent-hover: #c98e4f;
  --text: #1f2937;
  --text-muted: #4b5563;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --border: #e5e7eb;
  --alert: #d93025;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
header {
  background: var(--primary);
  color: #ffffff;
  padding: 16px 20px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  border-bottom: 3px solid var(--accent);
  position: sticky;
  top: 0;
  z-index: 50;
}
header a { color: #ffffff; text-decoration: none; font-weight: bold; }
.logo { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.5px; }
.header-actions { display: flex; gap: 15px; align-items: center; }
.header-phone { color: #ffffff; font-weight: 700; text-decoration: none; font-size: 0.95rem; }
.cta-btn {
  background: var(--accent);
  color: var(--primary);
  padding: 10px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 800;
  display: inline-block;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  text-align: center;
}
.cta-btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.container {
  max-width: 1200px;
  margin: 30px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
}
@media (max-width: 900px) {
  .container { grid-template-columns: 1fr; }
  header { flex-direction: column; gap: 12px; text-align: center; }
}
nav.breadcrumbs {
  font-size: 0.85rem;
  margin-bottom: 20px;
  color: var(--text-muted);
}
nav.breadcrumbs a { color: var(--primary); text-decoration: none; font-weight: 600; }
nav.breadcrumbs a:hover { text-decoration: underline; }
article.main-content {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 35px;
}
@media (max-width: 600px) {
  article.main-content { padding: 20px; }
}
h1 { font-size: 2.2rem; color: var(--primary); line-height: 1.2; margin-bottom: 18px; font-weight: 800; }
h2 { font-size: 1.5rem; color: var(--primary); margin: 36px 0 14px 0; font-weight: 750; border-bottom: 2px solid var(--bg); padding-bottom: 8px; }
h3 { font-size: 1.2rem; color: var(--primary); margin: 24px 0 10px 0; font-weight: 700; }
p { margin-bottom: 16px; font-size: 1.05rem; }
ul, ol { margin: 0 0 20px 24px; }
li { margin-bottom: 8px; font-size: 1.02rem; }
.direct-answer {
  background: #f0f7ff;
  border-left: 4px solid #1a73e8;
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  margin: 14px 0 20px 0;
  font-weight: 500;
  color: #1e3a8a;
}
.stat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  margin: 24px 0;
}
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin: 20px 0;
}
.stat-item {
  background: #ffffff;
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 6px;
  text-align: center;
}
.stat-num { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }
aside.sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.sidebar-title { font-size: 1.15rem; font-weight: 750; color: var(--primary); margin-bottom: 15px; border-bottom: 2px solid var(--accent); padding-bottom: 8px; }
.cluster-nav ul { list-style: none; margin: 0; padding: 0; }
.cluster-nav li { margin-bottom: 10px; font-size: 0.92rem; }
.cluster-nav a { color: var(--primary); text-decoration: none; font-weight: 600; display: block; padding: 6px 10px; border-radius: 4px; transition: background 0.2s; }
.cluster-nav a:hover, .cluster-nav a.active { background: #f3f4f6; color: var(--accent-hover); }
footer {
  background: var(--primary);
  color: #9ca3af;
  padding: 40px 20px;
  margin-top: 60px;
  text-align: center;
  font-size: 0.9rem;
  border-top: 3px solid var(--accent);
}
footer a { color: #ffffff; text-decoration: none; font-weight: 600; }

/* Collapsible Local Data Accordion for Regional Climate & Municipal Specs */
details.local-data-accordion {
  background: #ffffff;
  border: 1px solid #d1d5db;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  padding: 16px 20px;
  margin: 35px 0 25px 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
details.local-data-accordion summary {
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  font-size: 1.05rem;
  outline: none;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.local-data-accordion summary::-webkit-details-marker {
  display: none;
}
details.local-data-accordion summary::after {
  content: '▼';
  font-size: 0.8rem;
  color: var(--accent);
  transition: transform 0.2s ease;
}
details.local-data-accordion[open] summary::after {
  transform: rotate(180deg);
}
details.local-data-accordion .accordion-content {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #f3f4f6;
  font-size: 0.95rem;
  color: #374151;
  line-height: 1.6;
}
details.local-data-accordion .spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 15px;
  margin-top: 12px;
}
details.local-data-accordion .spec-box {
  background: #f9fafb;
  padding: 12px;
  border-radius: 4px;
  border: 1px solid #e5e7eb;
}
details.local-data-accordion .spec-box strong {
  color: var(--primary);
  display: block;
  margin-bottom: 4px;
}

/* Sourced Data Tables & Visual Charts for AI Answer & Human Scannability */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 22px 0 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card-bg);
  box-shadow: 0 2px 6px rgba(13, 27, 42, 0.04);
}
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  text-align: left;
}
table.data-table caption {
  padding: 12px 16px;
  font-weight: 800;
  color: var(--primary);
  background: #f3f5f8;
  border-bottom: 2px solid var(--accent);
  text-align: left;
  font-size: 1rem;
}
table.data-table thead th {
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  padding: 11px 14px;
  border-bottom: 2px solid var(--accent);
  white-space: nowrap;
}
table.data-table tbody td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
table.data-table tbody tr:nth-child(even) {
  background: #f9fafb;
}
table.data-table tbody tr:last-child td {
  border-bottom: none;
}
.source-note {
  margin: 0 0 22px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}
figure.chart-figure {
  margin: 22px 0;
  padding: 14px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(13, 27, 42, 0.04);
}
figure.chart-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}
figcaption.chart-source {
  margin-top: 10px;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.45;
}
@media (max-width: 640px) {
  table.data-table {
    font-size: 0.88rem;
  }
  table.data-table thead th,
  table.data-table tbody td {
    padding: 9px 10px;
  }
  figure.chart-figure {
    padding: 10px;
  }
}

/* E-E-A-T Author Byline, Credentials Card, and Buyer-Fit Constraints */
.eeat-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: #f3f5f8;
  border-left: 3px solid var(--accent);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin: -6px 0 18px 0;
}
.eeat-byline strong {
  color: var(--primary);
}
.fit-card {
  background: #f9fafb;
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: 6px;
  padding: 20px 22px;
  margin: 26px 0;
}
.fit-card h2 {
  margin-top: 0;
  font-size: 1.3rem;
}
.fit-card ul {
  margin: 12px 0 10px 20px;
}
.eeat-author-card {
  background: #f3f5f8;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 18px 20px;
  margin: 26px 0 10px 0;
  font-size: 0.94rem;
  color: var(--text);
}
.eeat-author-card strong {
  color: var(--primary);
}