/* Import modern font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-dark: #FFFFFF; /* Pure White background */
  --bg-section: #F8FAFC; /* Soft slate section background */
  --bg-card: rgba(255, 255, 255, 0.85); /* Frosted white cards */
  --border-color: rgba(15, 23, 42, 0.08); /* Clean dark-slate border tint */
  --primary: #0D9488; /* Teal */
  --primary-glow: rgba(13, 148, 136, 0.06);
  --secondary: #0891B2; /* Cyan (darkened for readability) */
  --secondary-glow: rgba(8, 145, 178, 0.06);
  --accent: #059669; /* Emerald (darkened for contrast) */
  --text-primary: #0F172A; /* Slate 900 */
  --text-secondary: #475569; /* Slate 600 */
  --text-muted: #64748B; /* Slate 500 */
  
  /* Air Quality Colors */
  --aqi-good: #059669;
  --aqi-moderate: #D97706; /* Darker amber */
  --aqi-unhealthy: #DC2626; /* Darker red */
  
  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
  --bg-dark: #0B0F19; /* Deep Slate background */
  --bg-section: #0F172A; /* Slate 900 */
  --bg-card: rgba(30, 41, 59, 0.7); /* Frosted dark card Slate 800 */
  --border-color: rgba(255, 255, 255, 0.08); /* Clean light border tint */
  --text-primary: #F8FAFC; /* Slate 50 */
  --text-secondary: #CBD5E1; /* Slate 300 */
  --text-muted: #94A3B8; /* Slate 400 */
  
  --primary-glow: rgba(13, 148, 136, 0.15);
  --secondary-glow: rgba(8, 145, 178, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Gradients & Glows (Optimized for Light Theme) */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 25%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.03) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: -1;
  pointer-events: none;
  transition: background var(--transition-normal);
}

body::after {
  content: '';
  position: absolute;
  top: 1500px;
  right: 10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(8, 145, 178, 0.02) 0%, rgba(255, 255, 255, 0) 70%);
  z-index: -1;
  pointer-events: none;
  transition: background var(--transition-normal);
}

body.dark-theme::before {
  background: radial-gradient(circle, rgba(13, 148, 136, 0.15) 0%, rgba(11, 19, 41, 0) 70%);
}

body.dark-theme::after {
  background: radial-gradient(circle, rgba(8, 145, 178, 0.1) 0%, rgba(11, 19, 41, 0) 70%);
}

/* Reusable Components */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.gradient-text {
  background: linear-gradient(135deg, #0F172A 30%, var(--secondary) 70%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #0f766e 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.02);
  border-color: var(--text-secondary);
  transform: translateY(-2px);
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
}

header.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.logo:hover {
  transform: translateY(-1px);
}

.logo img {
  height: 32px;
  width: auto;
  display: block;
}

nav ul {
  display: flex;
  gap: 1.2rem;
  list-style: none;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  transition: var(--transition-fast);
  white-space: nowrap;
}

nav a:hover, nav a.active {
  color: var(--primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-cta .btn {
  padding: 0.55rem 1.3rem;
  font-size: 0.88rem;
}

.theme-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: rgba(13, 148, 136, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

body.dark-theme header.scrolled {
  background: rgba(15, 23, 42, 0.85);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.dark-theme .logo img {
  filter: brightness(0) invert(1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  padding-top: 10rem;
  padding-bottom: 6rem;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100vh;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-tagline {
  background: rgba(13, 148, 136, 0.08);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(13, 148, 136, 0.15);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
  color: var(--text-primary);
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  max-width: 550px;
}

.hero-buttons {
  display: flex;
  gap: 1.2rem;
}

.hero-visual {
  position: relative;
  width: 100%;
}

.hero-img-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
}

.hero-img-wrapper img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  display: block;
}

.hero-img-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 80%, rgba(255, 255, 255, 0.6) 100%);
}

.hero-floating-card {
  position: absolute;
  bottom: 2rem;
  left: -2rem;
  padding: 1.5rem;
  max-width: 280px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.floating-card-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.floating-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Why Airtraceafrica Section */
.why-airtrace-section {
  padding: 6rem 0;
  background-color: var(--bg-section);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.why-airtrace-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4.5rem;
  align-items: center;
}

.advantage-comparison-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.comparison-card {
  padding: 2rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: 0 5px 15px rgba(15, 23, 42, 0.02);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-normal);
}

.comparison-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.04);
}

.comparison-card.airtrace-highlight {
  border-color: rgba(13, 148, 136, 0.2);
  box-shadow: 0 10px 30px rgba(13, 148, 136, 0.08);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.comparison-icon {
  font-size: 1.5rem;
  color: var(--text-muted);
}

.airtrace-highlight .comparison-icon {
  color: var(--primary);
}

.comparison-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.comparison-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.advantage-text-content .lead-text {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
}

.advantage-text-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.advantage-points {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.point-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.point-item i {
  font-size: 1.2rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.point-item h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}

.point-item p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* Why Clean Air Section */
.why-clean-air-section {
  padding: 6rem 0;
  background-color: var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
}

.why-text-block {
  max-width: 860px;
  margin: 0 auto 4rem auto;
  text-align: center;
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.why-text-block p {
  margin-bottom: 1.5rem;
}

.why-text-block p:last-child {
  margin-bottom: 0;
}

.why-text-block strong {
  color: var(--text-primary);
  font-weight: 700;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(15, 23, 42, 0.02);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: rgba(239, 68, 68, 0.2);
  box-shadow: 0 10px 35px rgba(239, 68, 68, 0.06);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #DC2626 0%, #D97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: block;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Dashboard Section */
.dashboard-section {
  padding: 6rem 0;
  background-color: var(--bg-section);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-subtitle {
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.9rem;
  margin-bottom: 0.8rem;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.dashboard-container {
  padding: 2.5rem;
  position: relative;
  background: #FFFFFF;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.04);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.dashboard-title-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.live-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(5, 150, 105, 0.08);
  color: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid rgba(5, 150, 105, 0.15);
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.4; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.4; }
}

.city-selector {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.city-btn {
  background: var(--bg-section);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.2rem;
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.city-btn:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.city-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr;
  gap: 2.5rem;
}

.dashboard-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.aqi-card {
  padding: 2.2rem;
  border-radius: 16px;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: background var(--transition-normal);
}

.aqi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--aqi-color, var(--aqi-good));
  transition: var(--transition-normal);
}

.aqi-value {
  font-family: var(--font-heading);
  font-size: 5rem;
  font-weight: 800;
  line-height: 1;
  margin: 0.8rem 0;
  color: var(--aqi-color, var(--aqi-good));
  transition: var(--transition-normal);
}

.aqi-status {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.aqi-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.weather-widget {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.weather-item {
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  padding: 1.2rem;
  border-radius: 12px;
  text-align: center;
}

.weather-icon {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.weather-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: block;
}

.weather-value {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-top: 0.2rem;
}

/* Dashboard Right (Metrics) */
.dashboard-right {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.metric-card {
  background: #F8FAFC;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  position: relative;
  transition: var(--transition-fast);
}

.metric-card:hover {
  background: #F1F5F9;
}

.metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.8rem;
}

.metric-name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 1rem;
}

.metric-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.metric-status-bar {
  height: 4px;
  width: 100%;
  background: rgba(15, 23, 42, 0.06);
  border-radius: 2px;
  margin-top: 1rem;
  overflow: hidden;
}

.metric-progress {
  height: 100%;
  width: 60%;
  background: var(--primary);
  border-radius: 2px;
  transition: width 1s ease-in-out;
}

/* Analytics Graph */
.chart-container {
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.8rem;
  flex-grow: 1;
  transition: background var(--transition-normal);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.chart-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.chart-legend {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
}

.legend-color {
  width: 10px;
  height: 10px;
  border-radius: 3px;
}

.chart-body {
  height: 160px;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 10px;
}

.chart-y-axis {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  pointer-events: none;
  z-index: 1;
}

.chart-grid-lines {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
}

.grid-line {
  width: 100%;
  height: 1px;
  background: rgba(15, 23, 42, 0.04);
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
  padding-left: 2rem;
}

.chart-svg path.line-pm25 {
  fill: none;
  stroke: var(--primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: d 1.5s ease-in-out;
}

.chart-svg path.area-pm25 {
  fill: url(#teal-grad);
  opacity: 0.1;
  transition: d 1.5s ease-in-out;
}

/* Services Section */
.services-section {
  padding: 6rem 0;
  background-color: var(--bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  height: 460px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.04);
  transition: var(--transition-normal);
  cursor: pointer;
}

.service-card img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  transition: var(--transition-normal);
}

.service-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.1) 0%, rgba(15, 23, 42, 0.6) 40%, rgba(15, 23, 42, 0.95) 100%);
  z-index: -1;
  transition: var(--transition-normal);
}

.service-icon {
  background: var(--primary);
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
  transition: var(--transition-normal);
}

.service-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(13, 148, 136, 0.3);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.15);
}

.service-card:hover img {
  transform: scale(1.08);
}

.service-card:hover .service-card-overlay {
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.05) 0%, rgba(15, 23, 42, 0.5) 30%, rgba(15, 23, 42, 0.98) 100%);
}

.service-card:hover p {
  opacity: 1;
  max-height: 100px;
  margin-top: 0.5rem;
}

.service-card-arrow {
  margin-top: 1rem;
  color: #2dd4bf; /* Bright teal for visibility on dark overlay */
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

/* Coverage Section */
.coverage-section {
  padding: 6rem 0;
  background-color: var(--bg-section);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.coverage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.coverage-left h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.coverage-left p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.countries-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.country-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.01);
  transition: var(--transition-fast), background var(--transition-normal);
  cursor: pointer;
}

.country-item:hover, .country-item.active-town {
  background: rgba(13, 148, 136, 0.05);
  border-color: var(--primary);
  color: var(--primary);
}

.country-marker {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary);
}

.coverage-right {
  display: flex;
  justify-content: center;
  position: relative;
}

.map-container {
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 24px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.04);
  transition: background var(--transition-normal);
}

.map-svg {
  width: 100%;
  height: auto;
  fill: none;
  stroke: var(--text-muted);
  stroke-width: 1.5;
}

.map-country {
  fill: #F1F5F9;
  stroke: #CBD5E1;
  transition: var(--transition-normal);
  cursor: pointer;
}

.map-country:hover {
  fill: rgba(8, 145, 178, 0.06);
  stroke: var(--secondary);
}

.map-country.highlighted {
  fill: rgba(13, 148, 136, 0.08);
  stroke: var(--primary);
  stroke-width: 2;
}

.map-pin {
  fill: var(--secondary);
  stroke: #FFFFFF;
  stroke-width: 1.5;
  cursor: pointer;
  animation: pulsePin 2s infinite;
}

@keyframes pulsePin {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* About & Leadership Section */
.about-section {
  padding: 6rem 0;
  background-color: var(--bg-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-left {
  position: relative;
}

.about-img-box {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.06);
}

.about-img-box img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.about-achievement {
  position: absolute;
  top: 2rem;
  right: -2rem;
  padding: 1.5rem;
  background: var(--bg-card);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08);
  max-width: 220px;
  border: 1px solid var(--border-color);
  transition: background var(--transition-normal);
}

.achievement-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.achievement-txt {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.about-right h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.25;
  color: var(--text-primary);
}

.about-right p {
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
}

.founder-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  margin-top: 2rem;
}

.founder-meta h4 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
}

.founder-meta p {
  font-size: 0.85rem;
  color: var(--primary);
  margin: 0;
}

.founder-links {
  margin-top: 0.5rem;
  display: flex;
  gap: 1rem;
}

.founder-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-fast);
}

.founder-links a:hover {
  color: var(--secondary);
}

.edu-badge-container {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.edu-badge {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1rem;
  border-radius: 10px;
}

.edu-badge-icon {
  color: var(--secondary);
  font-size: 1.1rem;
  margin-top: 0.1rem;
}

.edu-badge-txt {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.edu-badge-txt strong {
  color: var(--text-primary);
}

/* Values Grid */
.values-container {
  margin-top: 6rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.value-card {
  padding: 2.2rem;
  border-radius: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 15px rgba(15, 23, 42, 0.01);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-normal);
}

.value-card:hover {
  background: var(--bg-card);
  transform: translateY(-5px);
  border-color: rgba(13, 148, 136, 0.2);
  box-shadow: 0 10px 25px rgba(13, 148, 136, 0.06);
}

.value-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 1.2rem;
}

.value-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
  color: var(--text-primary);
}

.value-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
}

/* Latest News Section */
.news-section {
  padding: 6rem 0;
  background-color: var(--bg-section);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.news-card {
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 5px 15px rgba(15, 23, 42, 0.02);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-normal);
  height: 100%;
}

.news-card:hover {
  transform: translateY(-5px);
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: 0 10px 25px rgba(13, 148, 136, 0.06);
}

.news-badge {
  padding: 0.4rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
  text-align: center;
}

.news-badge.bg-primary { background: var(--primary); }
.news-badge.bg-secondary { background: var(--secondary); }
.news-badge.bg-accent { background: var(--accent); }
.news-badge.bg-muted { background: var(--text-muted); }

.news-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
  display: block;
}

.news-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.news-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
  flex-grow: 1;
}

.news-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition-fast);
  margin-top: auto;
}

.news-link:hover {
  color: var(--secondary);
  gap: 0.6rem;
}

/* Contact Section */
.contact-section {
  padding: 6rem 0;
  background-color: var(--bg-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(15, 23, 42, 0.01);
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.contact-icon {
  background: rgba(8, 145, 178, 0.08);
  color: var(--secondary);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  border: 1px solid rgba(8, 145, 178, 0.15);
  flex-shrink: 0;
}

.contact-method h4 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}

.contact-method p, .contact-method a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

.contact-method a:hover {
  color: var(--primary);
}

.contact-form-panel {
  padding: 3rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.04);
  transition: background var(--transition-normal);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: 0 0 10px rgba(13, 148, 136, 0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-feedback {
  margin-top: 1rem;
  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  font-size: 0.9rem;
  display: none;
}

.form-feedback.success {
  display: block;
  background: rgba(5, 150, 105, 0.08);
  color: var(--accent);
  border: 1px solid rgba(5, 150, 105, 0.15);
}

/* Footer */
footer {
  background: var(--bg-section); /* Light gray footer background */
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem 0;
  margin-top: 4rem;
  transition: background var(--transition-normal);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-info-col img {
  height: 32px;
  margin-bottom: 1.2rem;
}

.footer-info-col p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-bottom-links a:hover {
  color: var(--primary);
}

/* Responsive styles */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 3rem;
  }
  .hero-grid, .why-airtrace-grid, .why-clean-air-grid, .dashboard-grid, .services-grid, .about-grid, .coverage-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero {
    padding-top: 8rem;
    min-height: auto;
  }
  .hero-visual {
    max-width: 600px;
    margin: 0 auto;
  }
  .hero-img-wrapper img {
    height: 400px;
  }
  .hero-floating-card {
    left: 1rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  header {
    padding: 1rem 0;
  }
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    padding: 6rem 2rem 2rem 2rem;
    transition: var(--transition-normal);
    z-index: 99;
    box-shadow: -10px 0 30px rgba(15, 23, 42, 0.05);
  }
  nav.active {
    right: 0;
  }
  nav ul {
    flex-direction: column;
    gap: 1.5rem;
  }
  .menu-toggle {
    display: block;
    z-index: 100;
  }
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  .nav-cta {
    display: none;
  }
  .hero h1 {
    font-size: 2.4rem;
  }
  .dashboard-container {
    padding: 1.5rem;
  }
  .metrics-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .values-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero-buttons {
    flex-direction: column;
  }
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .city-selector {
    width: 100%;
  }
  .city-btn {
    flex-grow: 1;
    text-align: center;
  }
  .aqi-value {
    font-size: 4rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .contact-form-panel {
    padding: 1.5rem;
  }
}

/* Animations Scroll Support */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   NEW INTERACTIVE & LEAD-GEN COMPONENTS
   ========================================================================== */

/* Ambient Particle Canvas */
#ambient-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: transparent;
}

/* Live Terminal Console */
.terminal-section {
  margin-top: 3rem;
}

.terminal-console {
  background: #020617;
  border: 1px solid rgba(13, 148, 136, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  position: relative;
  font-family: 'Courier New', Courier, monospace;
}

.terminal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 0.8rem;
  margin-bottom: 1rem;
}

.terminal-title {
  color: #94A3B8;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.terminal-dot {
  width: 8px;
  height: 8px;
  background-color: var(--aqi-good);
  border-radius: 50%;
  animation: pulse 1.5s infinite;
}

.terminal-buttons {
  display: flex;
  gap: 0.4rem;
}

.terminal-btn {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.t-red { background: #EF4444; }
.t-yellow { background: #F59E0B; }
.t-green { background: #10B981; }

.terminal-body {
  height: 180px;
  overflow-y: auto;
  color: #38BDF8; /* Cyan text */
  font-size: 0.85rem;
  line-height: 1.6;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.terminal-line {
  margin-bottom: 0.4rem;
  opacity: 0.9;
}

.terminal-line.info { color: #38BDF8; }
.terminal-line.warn { color: #F59E0B; }
.terminal-line.error { color: #EF4444; }
.terminal-line.success { color: #34D399; }

.terminal-body::-webkit-scrollbar {
  width: 4px;
}
.terminal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Pulsing Radar Pin */
.map-pin.active-pin {
  fill: var(--primary);
  stroke: #fff;
  stroke-width: 2;
  filter: drop-shadow(0 0 8px var(--primary));
}

/* Hover Tooltips */
.map-tooltip, .chart-tooltip {
  position: absolute;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #fff;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.8rem;
  pointer-events: none;
  z-index: 1000;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: none;
  transition: opacity 0.2s ease;
}

.map-tooltip h5, .chart-tooltip h5 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  margin-bottom: 0.2rem;
  color: var(--secondary);
}

.map-tooltip p, .chart-tooltip p {
  margin: 0;
  font-size: 0.75rem;
  color: #E2E8F0;
}

/* Side-by-Side Comparison Layout */
.dashboard-grid.compare-active {
  grid-template-columns: 1fr 1fr;
}

.compare-card-wrapper {
  animation: fadeIn 0.4s ease;
  border: 1px dashed var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.02);
}

body.dark-theme .compare-card-wrapper {
  background: rgba(255, 255, 255, 0.01);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Business lead generation tools wrapper */
.lead-tools-section {
  padding: 6rem 0;
  background-color: var(--bg-section);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

/* Productivity Calculator */
.calc-card {
  padding: 2.5rem;
}

.calc-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-primary);
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.calc-slider-group label {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.calc-range {
  width: 100%;
  height: 6px;
  background: var(--border-color);
  border-radius: 5px;
  outline: none;
  -webkit-appearance: none;
  accent-color: var(--primary);
}

.calc-outputs {
  background: rgba(13, 148, 136, 0.04);
  border: 1px dashed rgba(13, 148, 136, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
}

body.dark-theme .calc-outputs {
  background: rgba(13, 148, 136, 0.08);
}

.output-item {
  margin-bottom: 1rem;
}
.output-item:last-child {
  margin-bottom: 0;
}

.output-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.output-lbl {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Compliance Checker */
.checker-card {
  padding: 2.5rem;
  min-height: 480px;
  display: flex;
  flex-direction: column;
}

.checker-step {
  display: none;
  animation: fadeIn 0.4s ease;
  flex-direction: column;
  flex-grow: 1;
}

.checker-step.active {
  display: flex;
}

.options-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin: 1.5rem 0;
}

.option-btn {
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  transition: all var(--transition-fast);
  color: var(--text-primary);
}

.option-btn:hover, .option-btn.selected {
  background: rgba(13, 148, 136, 0.05);
  border-color: var(--primary);
  color: var(--primary);
}

.checker-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

/* Compliance Result Styling */
.compliance-result-box {
  text-align: left;
}

.compliance-badge {
  background: rgba(239, 68, 68, 0.08);
  color: #EF4444;
  border: 1px solid rgba(239, 68, 68, 0.15);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 1rem;
}

.compliance-reg-list {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.compliance-reg-list li {
  margin-bottom: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Sector Tabs in Services */
.services-tabs-container {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
}

.tab-btn {
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.6rem 1.5rem;
  border-radius: 100px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.2);
}

.service-card.hidden {
  display: none !important;
}

/* Comparison columns */
.compare-mode-toggle {
  display: flex;
  justify-content: center;
  margin-top: 1.5rem;
}

.compare-btn {
  background: transparent;
  color: var(--secondary);
  border: 1.5px dashed var(--secondary);
  padding: 0.6rem 1.8rem;
  border-radius: 12px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.compare-btn:hover {
  background: rgba(8, 145, 178, 0.05);
  border-style: solid;
  transform: translateY(-1px);
}

/* Contact form selections */
.form-select-group {
  margin-bottom: 1.5rem;
}

.form-select-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-select {
  width: 100%;
  background: var(--bg-section);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='%2364748b' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 1rem center;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary);
  background-color: #FFFFFF;
}

body.dark-theme .form-select:focus {
  background-color: var(--bg-card);
}

/* Chart dynamic line elements */
.chart-grid-lines .grid-line {
  background: var(--border-color);
}
.chart-y-axis {
  color: var(--text-muted);
}

/* ==========================================================================
   TECHNOLOGY & HOW IT WORKS SECTION
   ========================================================================== */
.how-it-works-section {
  padding: 8rem 0;
  background-color: var(--bg-body);
  position: relative;
  overflow: hidden;
}

.tech-works-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  margin-top: 3rem;
}

.tech-col, .steps-col {
  padding: 3rem;
  border-radius: 24px;
}

.tech-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.device-img-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(15, 23, 42, 0.3);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 0;
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
  height: 300px;
}

.device-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.device-img-container:hover .device-img {
  transform: scale(1.05) translateY(-5px);
}

.tech-params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.param-badge {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  display: inline-block;
  transition: all 0.3s ease;
}

.param-badge:hover {
  background: rgba(13, 148, 136, 0.08);
  border-color: rgba(13, 148, 136, 0.3);
  color: var(--primary);
}

.tech-tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.tag-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.tag-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

/* Steps Timeline */
.works-steps-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.works-step-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
}

.step-num-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.step-num-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(13, 148, 136, 0.08);
  border: 2px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.works-step-item:hover .step-num-circle {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 12px rgba(13, 148, 136, 0.4);
}

.step-line {
  width: 2px;
  background: var(--border-color);
  flex-grow: 1;
  margin-top: 0.5rem;
  margin-bottom: -1rem;
}

.step-text-content {
  padding-bottom: 1.5rem;
}

.step-text-content h4 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.works-step-item:hover h4 {
  color: var(--primary);
}

.step-text-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Responsive grid */
@media (max-width: 991px) {
  .tech-works-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Service Details Sub-items (WHO, For, What you receive) */
.service-details {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.detail-item {
  color: rgba(255, 255, 255, 0.85); /* High-contrast light gray for dark card backgrounds */
  line-height: 1.4;
}
.detail-item strong {
  color: #2dd4bf; /* High-contrast bright teal for labels */
  font-weight: 600;
}

/* ==========================================================================
   INDUSTRIES WE SERVE SECTION
   ========================================================================== */
.industries-section {
  padding: 8rem 0;
  background-color: var(--bg-body);
  border-top: 1px solid var(--border-color);
  position: relative;
}

.industries-tabs-grid {
  display: grid;
  grid-template-columns: 1fr 2.5fr;
  gap: 3rem;
  margin-top: 3rem;
}

.industries-nav {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.ind-tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-weight: 700;
  text-align: left;
  padding: 1.2rem 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.ind-tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.ind-tab-btn.active {
  background: rgba(13, 148, 136, 0.08);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.1);
}

.industries-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 3rem;
  transition: background-color var(--transition-normal);
}

.industries-content h3 {
  color: var(--text-primary) !important;
}

.industry-tag {
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(13, 148, 136, 0.15);
  color: var(--primary);
  padding: 0.4rem 0.8rem;
  border-radius: 10px;
  font-size: 0.8rem;
  font-weight: 600;
}

.ind-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.ind-detail-box h5 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  position: relative;
}

.ind-detail-box h5::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 25px;
  height: 2px;
  background: var(--primary);
}


/* Calculator Scientific References Styles */
.calc-references details {
  transition: all 0.3s ease;
}

.calc-references summary::-webkit-details-marker {
  display: none;
}

.calc-references summary {
  list-style: none;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: background var(--transition-fast);
}

.calc-references summary:hover {
  background: rgba(13, 148, 136, 0.05);
}

.calc-references-content {
  margin-top: 0.8rem;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-align: left;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

.ind-detail-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-top: 0.8rem;
}

@media (max-width: 991px) {
  .industries-tabs-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .industries-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .ind-tab-btn {
    flex: 1 1 calc(50% - 0.8rem);
    text-align: center;
  }
  .ind-details-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   KNOWLEDGE CENTRE (SEO HUB) SECTION
   ========================================================================== */
.knowledge-section {
  padding: 8rem 0;
  background-color: var(--bg-body);
  border-top: 1px solid var(--border-color);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.blog-card {
  padding: 2.2rem;
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.blog-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.blog-category {
  font-weight: 600;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.blog-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.blog-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.blog-keywords {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.8rem;
  margin-bottom: 1.5rem;
}

.blog-keywords code {
  color: var(--secondary);
  font-family: monospace;
}

.blog-link {
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all 0.3s ease;
}

.blog-link:hover {
  color: var(--primary);
}

@media (max-width: 991px) {
  .knowledge-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Parameter Card click-to-select styles for Sparkline rendering */
.parameter-card {
  border: 1.5px solid transparent !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.parameter-card:hover {
  transform: translateY(-2px);
  border-color: rgba(13, 148, 136, 0.2) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.parameter-card.active-param {
  border-color: var(--primary) !important;
  box-shadow: 0 0 15px rgba(13, 148, 136, 0.12) !important;
  background: rgba(13, 148, 136, 0.02) !important;
}

body.dark-theme .parameter-card.active-param {
  background: rgba(13, 148, 136, 0.06) !important;
  border-color: var(--primary) !important;
}

/* ==========================================================================
   TIME SERIES POP-UP MODAL
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(10px);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.25s ease forwards;
}

.modal-content {
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  width: 90%;
  max-width: 620px;
  padding: 2.5rem;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.45);
  transform: translateY(20px);
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  position: relative;
}

body:not(.dark-theme) .modal-content {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.15);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.8rem;
}

body:not(.dark-theme) .modal-header {
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}

body:not(.dark-theme) .modal-header h3 {
  color: var(--text-primary);
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1.5rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.2s ease;
}

body:not(.dark-theme) .modal-close-btn {
  background: rgba(0, 0, 0, 0.02);
}

.modal-close-btn:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  border-color: rgba(239, 68, 68, 0.25);
}

.modal-chart-container {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 20px;
  padding: 1.5rem;
  position: relative;
  margin-bottom: 1.8rem;
}

body:not(.dark-theme) .modal-chart-container {
  background: rgba(0, 0, 0, 0.01);
  border-color: rgba(0, 0, 0, 0.03);
}

.modal-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.modal-stat-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 1.2rem 0.8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

body:not(.dark-theme) .modal-stat-box {
  background: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.03);
}

.m-stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.8px;
}

.m-stat-value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

body:not(.dark-theme) .m-stat-value {
  color: var(--text-primary);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(24px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@media (max-width: 576px) {
  .modal-stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
  }
  .modal-content {
    padding: 1.8rem;
  }
}

/* ==========================================================================
   INDOOR AIR QUALITY (IAQ) SOLUTIONS SECTION
   ========================================================================== */
.iaq-section {
  padding: 6.5rem 0;
  background: radial-gradient(100% 100% at 50% 0%, rgba(13, 148, 136, 0.04) 0%, rgba(15, 23, 42, 0) 100%), var(--bg-dark);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

body:not(.dark-theme) .iaq-section {
  background: radial-gradient(100% 100% at 50% 0%, rgba(13, 148, 136, 0.02) 0%, rgba(255, 255, 255, 0) 100%), #fff;
}

.iaq-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  margin-top: 3.5rem;
  align-items: start;
}

@media (max-width: 991px) {
  .iaq-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.iaq-visual-card, .iaq-calculator-card {
  padding: 2.5rem;
  border-radius: 24px;
}

.iaq-visual-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-top: 0;
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

body:not(.dark-theme) .iaq-visual-title {
  color: var(--text-primary);
}

.iaq-interactive-view {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.office-layout {
  position: relative;
  height: 230px;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 18px;
  overflow: hidden;
}

body:not(.dark-theme) .office-layout {
  background: rgba(15, 23, 42, 0.02);
  border-color: rgba(15, 23, 42, 0.05);
}

.office-element {
  position: absolute;
  background: rgba(255, 255, 255, 0.04);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 0.5rem;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

body:not(.dark-theme) .office-element {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}

.desk-a {
  bottom: 15%;
  left: 32%;
  width: 36%;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ac-unit {
  top: 10%;
  left: 10%;
  width: 28%;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.window-closed {
  top: 35%;
  right: 0;
  width: 18px;
  height: 70px;
  border-radius: 8px 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.58rem;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* Pulsing hotspots in room layout */
.room-hotspot {
  position: absolute;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  z-index: 5;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 0.9rem;
}

.room-hotspot.hs-co2 { background: #EF4444; }
.room-hotspot.hs-voc { background: #F59E0B; }
.room-hotspot.hs-dust { background: #3B82F6; }

.room-hotspot:hover {
  transform: scale(1.25);
  box-shadow: 0 0 20px currentColor;
}

.room-hotspot.active {
  box-shadow: 0 0 20px currentColor;
}

.pulse-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid currentColor;
  animation: pulseGrad 2s infinite ease-out;
  pointer-events: none;
}

@keyframes pulseGrad {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2.4); opacity: 0; }
}

.hazard-info-board {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 16px;
  padding: 1.4rem;
  transition: all 0.3s ease;
}

body:not(.dark-theme) .hazard-info-board {
  background: rgba(15, 23, 42, 0.015);
  border-color: rgba(15, 23, 42, 0.04);
}

.hazard-buttons-row {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.2rem;
  flex-wrap: wrap;
}

.btn-hazard {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1.2rem;
  border-radius: 30px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
}

body:not(.dark-theme) .btn-hazard {
  background: rgba(0, 0, 0, 0.02);
}

.btn-hazard:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.15);
}

body:not(.dark-theme) .btn-hazard:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
  border-color: rgba(0, 0, 0, 0.1);
}

.btn-hazard.active {
  background: var(--primary) !important;
  color: #fff !important;
  border-color: var(--primary) !important;
}

/* Calculator specific styles */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.calc-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.calc-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

body:not(.dark-theme) .calc-form input,
body:not(.dark-theme) .calc-form select {
  background: #fff !important;
  border-color: rgba(15, 23, 42, 0.15) !important;
  color: var(--text-primary) !important;
}

/* Custom Leaflet Tooltip & Marker styles to match our design system */
.leaflet-tooltip-custom {
  background: rgba(15, 23, 42, 0.95) !important;
  border: 1px solid var(--border-color) !important;
  color: #fff !important;
  border-radius: 8px !important;
  font-family: var(--font-body) !important;
  font-size: 0.8rem !important;
  padding: 0.4rem 0.8rem !important;
  box-shadow: var(--shadow-md) !important;
}
body:not(.dark-theme) .leaflet-tooltip-custom {
  background: rgba(255, 255, 255, 0.98) !important;
  border: 1px solid rgba(15, 23, 42, 0.08) !important;
  color: var(--text-primary) !important;
}