/* Enhanced Modern CSS for AI Consulting Website */

/* CSS Variables for Design System */
:root {
  /* Colors */
  --primary-600: #2563EB;
  --primary-700: #1D4ED8;
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  --success-500: #10B981;
  --warning-500: #F59E0B;
  --error-500: #EF4444;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-text: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
  
  /* Spacing */
  --container-max-width: 1280px;
  --container-padding: 1rem;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --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);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Borders */
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: white;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Enhanced Header */
.enhanced-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: var(--transition);
}

.navbar {
  padding: 1rem 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav-logo .logo {
  height: 40px;
  width: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-600);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-700);
  cursor: pointer;
}

/* Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.cta-button.primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

.cta-button.primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.cta-button.secondary {
  background: white;
  color: var(--primary-600);
  border: 2px solid var(--primary-600);
}

.cta-button.secondary:hover {
  background: var(--primary-50);
}

.cta-button.large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Hero Section */
.hero-section {
  min-height: 100vh;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

.hero-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

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

.hero-text {
  color: white;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.25rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  display: block;
}

.stat-label {
  font-size: 0.875rem;
  opacity: 0.9;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ai-animation {
  width: 300px;
  height: 300px;
  position: relative;
}

.neural-network {
  width: 100%;
  height: 100%;
  position: relative;
}

.node {
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  position: absolute;
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
  animation: pulse 2s infinite;
}

.node:nth-child(1) { top: 20%; left: 20%; }
.node:nth-child(2) { top: 50%; left: 80%; }
.node:nth-child(3) { top: 80%; left: 40%; }

.connection {
  position: absolute;
  height: 2px;
  background: linear-gradient(90deg, transparent, white, transparent);
  animation: flow 3s infinite;
}

.connection:nth-child(4) {
  top: 25%;
  left: 25%;
  width: 50%;
  transform: rotate(25deg);
}

.connection:nth-child(5) {
  top: 60%;
  left: 30%;
  width: 40%;
  transform: rotate(-35deg);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

@keyframes flow {
  0% { opacity: 0; }
  50% { opacity: 1; }
  100% { opacity: 0; }
}

/* Why AI Section */
.why-ai-section {
  padding: 6rem 0;
  background: var(--gray-50);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-badge {
  display: inline-block;
  background: var(--primary-100);
  color: var(--primary-700);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* Tabs */
.why-ai-tabs {
  max-width: 1000px;
  margin: 0 auto;
}

.tab-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  background: white;
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: var(--transition);
  min-width: 120px;
}

.tab-btn:hover {
  border-color: var(--primary-300);
  transform: translateY(-2px);
}

.tab-btn.active {
  border-color: var(--primary-600);
  background: var(--primary-50);
  color: var(--primary-700);
}

.tab-btn i {
  font-size: 1.5rem;
}

.tab-content {
  position: relative;
}

.tab-panel {
  display: none;
  background: white;
  border-radius: var(--border-radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.tab-panel.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.panel-content h3 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.panel-content p {
  font-size: 1.125rem;
  color: var(--gray-600);
  margin-bottom: 1.5rem;
}

.benefit-list {
  list-style: none;
  margin-bottom: 2rem;
}

.benefit-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  color: var(--gray-700);
}

.benefit-list i {
  color: var(--success-500);
  font-size: 0.875rem;
}

.panel-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: var(--transition);
}

.panel-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Panel Visuals */
.panel-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.efficiency-chart {
  display: flex;
  gap: 2rem;
  align-items: end;
}

.efficiency-chart .bar {
  width: 60px;
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
  color: white;
  text-align: center;
  padding: 1rem 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
}

.cost-savings {
  text-align: center;
}

.savings-meter {
  width: 200px;
  height: 20px;
  background: var(--gray-200);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: var(--gradient-success);
  border-radius: 10px;
  transition: width 1s ease-in-out;
}

.savings-meter span {
  position: absolute;
  top: 25px;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 700;
  color: var(--success-500);
}

/* ROI Calculator */
.roi-calculator-section {
  padding: 6rem 0;
  background: white;
}

.calculator-container {
  max-width: 800px;
  margin: 0 auto;
  background: var(--gray-50);
  padding: 3rem;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-lg);
}

.calculator-inputs {
  display: grid;
  gap: 2rem;
  margin-bottom: 3rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group label {
  font-weight: 600;
  color: var(--gray-700);
}

.input-group input[type="range"] {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--gray-200);
  outline: none;
  -webkit-appearance: none;
}

.input-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-600);
  cursor: pointer;
  box-shadow: var(--shadow);
}

.input-value {
  font-weight: 700;
  color: var(--primary-600);
  font-size: 1.125rem;
}

.calculator-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.result-item {
  text-align: center;
  padding: 1.5rem;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.result-label {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 0.5rem;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-600);
}

.calculator-cta {
  text-align: center;
}

/* Services Section */
.services-section {
  padding: 6rem 0;
  background: white;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow);
  transition: var(--transition-slow);
  border: 1px solid var(--gray-200);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.service-icon i {
  font-size: 1.5rem;
  color: white;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--gray-600);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.service-features li {
  color: var(--gray-600);
  margin-bottom: 0.5rem;
  padding-left: 1rem;
  position: relative;
}

.service-features li::before {
  content: '•';
  color: var(--primary-600);
  position: absolute;
  left: 0;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-600);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.service-link:hover {
  color: var(--primary-700);
}

/* Trust Section */
.trust-section {
  padding: 6rem 0;
  background: var(--gray-900);
  color: white;
}

.trust-content {
  text-align: center;
}

.trust-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 3rem;
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.trust-item {
  text-align: center;
}

.trust-number {
  font-size: 3rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 0.5rem;
}

.trust-label {
  color: var(--gray-300);
}

/* Locations Page Styles */
.locations-hero {
  padding: 8rem 0 4rem;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.locations-hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.locations-hero p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.search-container {
  max-width: 500px;
  margin: 0 auto;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-box i {
  position: absolute;
  left: 1rem;
  color: var(--gray-400);
  z-index: 2;
}

.search-box input {
  width: 100%;
  padding: 1rem 1rem 1rem 3rem;
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: 1rem;
  background: white;
  box-shadow: var(--shadow-lg);
}

/* Location Controls */
.location-controls {
  padding: 2rem 0;
  background: white;
  border-bottom: 1px solid var(--gray-200);
}

.controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  gap: 0.5rem;
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-300);
  background: white;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.toggle-btn.active {
  background: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.service-filters {
  position: relative;
}

.filter-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--gray-300);
  background: white;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.filter-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 300px;
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: none;
}

.filter-dropdown.active {
  display: block;
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.filter-options {
  padding: 1rem;
  max-height: 300px;
  overflow-y: auto;
}

.filter-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

.results-counter {
  font-weight: 600;
  color: var(--gray-600);
}

/* Map Section */
.map-section {
  padding: 4rem 0;
  background: var(--gray-50);
}

.map-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
  align-items: start;
}

.us-map {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  min-height: 500px;
}

.map-legend {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  height: fit-content;
}

.map-legend h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--gray-900);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: 4px;
}

.legend-color.active {
  background: var(--primary-600);
}

.legend-color.inactive {
  background: var(--gray-300);
}

/* States List */
.locations-list {
  padding: 4rem 0;
  background: white;
}

.list-header {
  text-align: center;
  margin-bottom: 4rem;
}

.list-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 1rem;
}

.states-container {
  display: grid;
  gap: 2rem;
}

.state-section {
  background: var(--gray-50);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.state-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  background: white;
  border-bottom: 1px solid var(--gray-200);
  cursor: pointer;
}

.state-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.state-name i {
  color: var(--primary-600);
}

.city-count {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
}

.state-toggle {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--gray-400);
  cursor: pointer;
  transition: var(--transition);
}

.state-content {
  padding: 1.5rem;
}

.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.city-section {
  background: white;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

.city-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.city-name i {
  color: var(--primary-600);
  font-size: 0.875rem;
}

.service-count {
  font-size: 0.75rem;
  color: var(--gray-500);
  font-weight: 400;
}

.services-list {
  list-style: none;
}

.services-list li {
  margin-bottom: 0.5rem;
}

.service-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-600);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
  padding: 0.25rem 0;
}

.service-link:hover {
  color: var(--primary-700);
  text-decoration: underline;
}

.service-link i {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Locations CTA */
.locations-cta {
  padding: 4rem 0;
  background: var(--gray-900);
  color: white;
  text-align: center;
}

.locations-cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.locations-cta p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Final CTA Section */
.final-cta-section {
  padding: 6rem 0;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

.final-cta-section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.final-cta-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

/* Enhanced Footer */
.enhanced-footer {
  background: var(--gray-900);
  color: white;
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: white;
}

.footer-section p {
  color: var(--gray-300);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.footer-contact i {
  color: var(--primary-400);
}

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

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--gray-300);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .tab-panel.active {
    grid-template-columns: 1fr;
  }
  
  .map-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .tab-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-stats {
    grid-template-columns: 1fr;
  }
  
  .cities-grid {
    grid-template-columns: 1fr;
  }
  
  .controls-row {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .tab-buttons {
    grid-template-columns: 1fr;
  }
  
  .calculator-container {
    padding: 2rem 1rem;
  }
  
  .calculator-results {
    grid-template-columns: 1fr;
  }
}