:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #dc2626;
  --accent-hover: #b91c1c;
  --gold: #d97706;
  --gold-light: #fef3c7;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #94a3b8;
  --success: #16a34a;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 8px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Top Notification Banner */
.top-bar {
  background-color: var(--primary);
  color: #e2e8f0;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.top-bar-contact a {
  color: #cbd5e1;
  text-decoration: none;
  margin-left: 16px;
  transition: color 0.2s;
}

.top-bar-contact a:hover {
  color: #ffffff;
}

/* Header & Navigation */
header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-titles h1 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-titles span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 24px;
  align-items: center;
}

nav ul li a {
  text-decoration: none;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 0.92rem;
  transition: color 0.2s;
}

nav ul li a:hover {
  color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--accent-hover);
}

.btn-outline {
  border: 1px solid var(--border-color);
  background: #ffffff;
  color: var(--primary);
}

.btn-outline:hover {
  background-color: #f1f5f9;
  border-color: var(--border-focus);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
}

.btn-whatsapp:hover {
  background-color: #1ebd5a;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  padding: 60px 20px 80px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.35);
  color: #fca5a5;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero h2 {
  font-size: 2.7rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 18px;
  letter-spacing: -1px;
}

.hero h2 span {
  color: #f87171;
}

.hero p {
  font-size: 1.1rem;
  color: #cbd5e1;
  margin-bottom: 28px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 24px;
}

.stat-item h4 {
  font-size: 1.6rem;
  color: #f8fafc;
  font-weight: 700;
}

.stat-item p {
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 0;
}

/* Quick Inquiry Card on Hero */
.hero-card {
  background: #ffffff;
  color: var(--text-main);
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.hero-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.hero-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Section Common */
section {
  padding: 60px 20px;
}

.section-title-wrap {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  display: inline-block;
}

.section-title {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Interactive Configurator Section */
.configurator-section {
  background-color: #ffffff;
  border-bottom: 1px solid var(--border-color);
}

.config-container {
  max-width: 1240px;
  margin: 0 auto;
  background-color: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-md);
}

.config-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
}

.config-controls h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
}

.config-selector-group {
  margin-bottom: 20px;
}

.config-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}

.config-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pill-btn {
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary-light);
  cursor: pointer;
  transition: all 0.2s;
}

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

.pill-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.config-display {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
}

.flow-diagram-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.line-flow-box {
  background-color: #0f172a;
  color: #38bdf8;
  padding: 16px;
  border-radius: 6px;
  font-family: monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  margin-bottom: 20px;
}

.spec-metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.metric-card {
  background-color: #f1f5f9;
  padding: 14px;
  border-radius: 6px;
}

.metric-card h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-card p {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
}

/* Division Tabs */
.catalog-section {
  max-width: 1240px;
  margin: 0 auto;
}

.tabs-nav {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.tab-btn {
  padding: 12px 20px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

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

.tab-btn.active {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}

.division-content {
  display: none;
}

.division-content.active {
  display: block;
}

.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
}

.product-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.card-header-bar {
  background-color: #f1f5f9;
  padding: 10px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.model-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  background: #fee2e2;
  padding: 3px 8px;
  border-radius: 4px;
}

.category-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.card-body {
  padding: 22px;
  flex-grow: 1;
}

.card-body h4 {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.card-body p.card-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-specs-list {
  list-style: none;
  font-size: 0.84rem;
  margin-bottom: 20px;
}

.card-specs-list li {
  padding: 5px 0;
  border-bottom: 1px dashed var(--border-color);
  display: flex;
  justify-content: space-between;
}

.card-specs-list li span.spec-name {
  color: var(--text-muted);
}

.card-specs-list li span.spec-val {
  font-weight: 600;
  color: var(--primary);
}

.card-footer {
  padding: 14px 22px;
  background-color: #f8fafc;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Value Props Comparison Section */
.comparison-section {
  background-color: #ffffff;
  border-top: 1px solid var(--border-color);
}

.comp-table-wrap {
  max-width: 1100px;
  margin: 0 auto;
  overflow-x: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--shadow-sm);
}

table.comp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

table.comp-table th,
table.comp-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

table.comp-table th {
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
}

table.comp-table th.asian-col {
  background-color: var(--accent);
}

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

table.comp-table td.highlight {
  background-color: #fef2f2;
  font-weight: 600;
  color: var(--primary);
}

/* Regional SEO Hub */
.regional-section {
  background-color: #f1f5f9;
  border-top: 1px solid var(--border-color);
}

.city-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1240px;
  margin: 0 auto;
}

.city-card {
  background: #ffffff;
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.city-card h4 {
  font-size: 1.15rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 8px;
}

.city-card p.estates {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.city-card ul {
  list-style: square inside;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  background-color: var(--primary);
  color: #94a3b8;
  padding: 60px 20px 30px;
  font-size: 0.88rem;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.footer-brand p {
  line-height: 1.5;
  margin-bottom: 16px;
}

.footer-links h4 {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.footer-links ul {
  list-style: none;
}

.footer-links ul li {
  margin-bottom: 8px;
}

.footer-links ul li a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-container,
  .config-grid,
  .footer-container {
    grid-template-columns: 1fr;
  }
  
  nav {
    display: none; /* simple mobile fallback */
  }
}