/* ==========================================================================
   ApexFlow Plumbing Co. - Nationwide Design System
   Engineered with ui_ux_pro_max and web_performance_optimization
   ========================================================================== */

:root {
  --font-primary: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Color Palette */
  --bg-dark: #070d1e;
  --bg-navy: #0d172e;
  --bg-surface: rgba(18, 30, 60, 0.75);
  --bg-surface-hover: rgba(26, 43, 84, 0.85);
  --bg-card: #0f1c38;
  --bg-card-alt: #132347;
  
  --primary-blue: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.4);
  
  --cyan-accent: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.3);
  
  --emergency-red: #ef4444;
  --emergency-glow: rgba(239, 68, 68, 0.45);
  --warning-amber: #f59e0b;
  --success-emerald: #10b981;
  --success-glow: rgba(16, 185, 129, 0.35);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 255, 255, 0.16);
  --border-active: rgba(37, 99, 235, 0.5);
  
  /* Geometry & Shadows */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 25px var(--primary-glow);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(37, 99, 235, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(6, 182, 212, 0.08) 0%, transparent 45%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Typography Utilities */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--cyan-accent);
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.25);
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #ffffff;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.text-center {
  text-align: center;
}
.text-center .section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

/* Live Emergency Header Banner */
.emergency-top-bar {
  background: linear-gradient(90deg, #991b1b, #ef4444 35%, #b91c1c);
  color: #ffffff;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  position: relative;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pulse-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-dot {
  width: 9px;
  height: 9px;
  background-color: #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: pulse-ring 1.8s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(255, 255, 255, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

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

.top-bar-phone {
  color: #fff;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(0, 0, 0, 0.2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-fast);
}

.top-bar-phone:hover {
  transform: scale(1.03);
}

/* Main Navigation */
.main-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(7, 13, 30, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-icon-wrap {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary-blue), var(--cyan-accent));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.brand-name span {
  color: var(--cyan-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-blue), var(--cyan-accent));
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), #1d4ed8);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #3b82f6, var(--primary-blue));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-emergency {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #ffffff;
  box-shadow: 0 4px 16px var(--emergency-glow);
  animation: pulse-button 2.5s infinite;
}

.btn-emergency:hover {
  background: linear-gradient(135deg, #f87171, #ef4444);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--emergency-glow);
}

@keyframes pulse-button {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-highlight);
  color: #ffffff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--cyan-accent);
  color: var(--cyan-accent);
  transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-highlight);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(37, 99, 235, 0.2);
  margin-top: 2rem;
}

.hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: transform var(--transition-smooth);
}

.hero-image-wrap:hover .hero-image {
  transform: scale(1.02);
}

.hero-badge-overlay {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background: rgba(7, 13, 30, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-highlight);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
  color: #ffffff;
}

.hero-content h1 .gradient-text {
  background: linear-gradient(135deg, #60a5fa, var(--cyan-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust-badges {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.trust-item svg {
  color: var(--success-emerald);
  flex-shrink: 0;
}

/* Hero Interactive Dispatch Card */
.dispatch-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(37, 99, 235, 0.15);
  position: relative;
}

.dispatch-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--emergency-red), var(--warning-amber), var(--cyan-accent));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

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

.dispatch-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.dispatch-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--success-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.dispatch-status-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success-emerald);
  animation: pulse-ring 1.5s infinite;
}

.zip-search-box {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.zip-input {
  flex: 1;
  background: rgba(7, 13, 30, 0.9);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #ffffff;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.zip-input:focus {
  border-color: var(--cyan-accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.zip-result-panel {
  background: rgba(7, 13, 30, 0.75);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  display: none;
}

.zip-result-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-location-title {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cyan-accent);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.result-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0.85rem 0;
  font-size: 0.875rem;
}

.metric-box {
  background: rgba(255, 255, 255, 0.04);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-bottom: 0.15rem;
}

.metric-val {
  font-weight: 700;
  color: #ffffff;
}

.metric-val.highlight {
  color: var(--success-emerald);
}

/* Live Dispatch Ticker */
.ticker-section {
  background: var(--bg-navy);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
  overflow: hidden;
}

.ticker-wrap {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.ticker-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warning-amber);
  white-space: nowrap;
  padding-right: 1rem;
  border-right: 1px solid var(--border-subtle);
}

.ticker-item-content {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.ticker-city {
  color: #ffffff;
  font-weight: 700;
}

.ticker-time {
  color: var(--cyan-accent);
}

/* Services Grid Section */
.section {
  padding: 6rem 0;
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-active);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(37, 99, 235, 0.2);
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan-accent);
  margin-bottom: 1.5rem;
}

.service-card.emergency .service-icon-box {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.35);
  color: var(--emergency-red);
}

.service-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-features {
  list-style: none;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.service-feature-item svg {
  color: var(--cyan-accent);
  flex-shrink: 0;
}

.service-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.service-price {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.service-price strong {
  display: block;
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
}

/* Cost Estimator Wizard Section */
.estimator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 3rem;
  max-width: 960px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(14px);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.estimator-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.6rem;
  color: #ffffff;
}

.select-custom, .input-custom {
  width: 100%;
  background: rgba(7, 13, 30, 0.9);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #ffffff;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.select-custom:focus, .input-custom:focus {
  border-color: var(--cyan-accent);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.radio-pill-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.radio-pill {
  position: relative;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-pill-label {
  display: block;
  text-align: center;
  padding: 0.75rem 0.5rem;
  background: rgba(7, 13, 30, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-pill input:checked + .radio-pill-label {
  background: rgba(37, 99, 235, 0.25);
  border-color: var(--cyan-accent);
  color: #ffffff;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.estimator-result-box {
  background: linear-gradient(145deg, rgba(15, 28, 56, 0.95), rgba(7, 13, 30, 0.95));
  border: 1px solid var(--border-active);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  text-align: center;
  box-shadow: var(--shadow-md);
}

.estimate-price-range {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cyan-accent);
  margin: 1rem 0;
  letter-spacing: -0.02em;
}

.estimate-details {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Coverage Map / Hubs Section */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.city-hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.city-hub-card:hover {
  background: var(--bg-card-alt);
  border-color: var(--cyan-accent);
  transform: translateY(-3px);
}

.city-name {
  font-weight: 700;
  color: #ffffff;
  font-size: 1rem;
}

.city-state {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.city-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success-emerald);
}

/* Reviews & Testimonials */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: #fbbf24;
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.review-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-blue), var(--cyan-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: #fff;
}

.author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.author-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* FAQ Accordion */
.faq-container {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.open {
  border-color: var(--cyan-accent);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.35rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform var(--transition-smooth);
  color: var(--cyan-accent);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.5rem;
}

.faq-item.open .faq-answer {
  max-height: 250px;
  padding-bottom: 1.35rem;
}

.faq-answer p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: #040813;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: #ffffff;
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: var(--cyan-accent);
}

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

/* Sticky Mobile Emergency Bar */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(7, 13, 30, 0.95);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-subtle);
  padding: 0.75rem 1rem;
  z-index: 1001;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.4);
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .estimator-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .mobile-sticky-bar {
    display: flex;
    gap: 0.75rem;
  }
  
  .hero-section {
    padding: 3rem 0 2.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .radio-pill-group {
    grid-template-columns: 1fr;
  }
  
  body {
    padding-bottom: 70px;
  }
}