/* ==========================================================================
   FIREINTEL DESIGN SYSTEM: TITANIUM GLASSMORPHISM
   Enforces rules from Sounny Pro UX Designer Guidelines
   ========================================================================== */

/* 1. CSS VARIABLES & THEME TOKENS */
:root {
  /* Typography */
  --font-family: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Colors (Light Mode Startup Studio Palette) */
  --bg-primary: #f5f5f7;       /* Apple / Google Store Light Gray */
  --bg-secondary: #ffffff;     /* Pure white */
  --bg-tertiary: #dadce0;      /* Muted light gray */
  
  --glass-surface: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(32, 33, 36, 0.12);
  --glass-border-glow: rgba(26, 115, 232, 0.4);
  
  --text-primary: #202124;     /* Primary Charcoal */
  --text-secondary: #3c4043;   /* Main body text */
  --text-muted: #5f6368;       /* Muted text */
  
  /* Accent Colors */
  --accent-blue: #1a73e8;      /* Primary bright blue */
  --accent-blue-glow: rgba(26, 115, 232, 0.6);
  --accent-red: #d93025;       /* Alert / Active Fire (Accessible red) */
  --accent-orange: #e8710a;    /* Moderate Fire / Warning */
  --accent-green: #188038;     /* Wet Forest / Success */
  --accent-gray: #70757a;      /* Burned forest */
  
  /* Shadows & Radius */
  --shadow-glow: 0 4px 20px rgba(26, 115, 232, 0.15);
  --shadow-high: 0 20px 40px rgba(0, 0, 0, 0.08);
  --radius-pill: 9999px;
  --radius-card: 20px;
  --radius-inner: 12px;

  /* Container */
  --container-max: 1280px;
}

/* 2. GLOBAL RESET & BASE STYLES */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

p, .lab-card-desc, .card-footer-text, .hero-desc, .section-subtitle, .waitlist-desc, .footer-desc {
  font-family: var(--font-body);
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Screen-Reader Only for SEO Compliance */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-inner);
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-blue);
}

/* 3. STICKY GLASSMorphic HEADER */
.app-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.75rem 2rem;
}

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

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  object-fit: cover;
  border: 1px solid var(--glass-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.brand-logo-img:hover {
  transform: scale(1.05);
  border-color: var(--accent-blue);
}

.brand-lockup {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand-name {
  font-family: var(--font-family);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.68rem;
  color: #60a5fa;
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.01em;
  opacity: 0.95;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: #ffffff;
  transition: color 0.3s ease, opacity 0.3s ease;
  opacity: 0.9;
}

.nav-link:hover {
  color: #60a5fa;
  opacity: 1;
}

.actions-group {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switch-pill {
  display: flex;
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 2px;
}

.lang-btn {
  background: none;
  border: none;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-mono);
  border-radius: var(--radius-pill);
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.lang-btn.active {
  background-color: var(--accent-blue);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(26, 115, 232, 0.3);
}

.cta-pill {
  background: var(--glass-surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.cta-pill:hover {
  background: var(--accent-blue);
  box-shadow: 0 6px 20px var(--accent-blue-glow);
  transform: translateY(-2px);
  border-color: var(--accent-blue);
}

/* 4. HERO SECTION (Un-overlayed Imagery Rule) */
.hero-section {
  position: relative;
  height: 90vh;
  min-height: 600px;
  width: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  z-index: 1;
  transform: scale(1.02);
  transition: transform 10s ease;
}

.hero-section:hover .hero-background {
  transform: scale(1.05);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(9, 13, 22, 0.2) 0%, rgba(9, 13, 22, 0.8) 100%);
  z-index: 2;
}

.hero-glass-card {
  position: relative;
  z-index: 3;
  width: 90%;
  max-width: 860px;
  padding: 3.5rem 3rem;
  background-color: var(--glass-surface);
  backdrop-filter: blur(16px) saturate(1.8);
  -webkit-backdrop-filter: blur(16px) saturate(1.8);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  box-shadow: var(--shadow-high);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeInDown 1s ease;
}

.chip-badge {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  display: inline-block;
}

.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.hero-subtitle-ai {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.01em;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary-glow {
  background-color: var(--accent-blue);
  color: var(--text-primary);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--accent-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary-glow:hover {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 6px 25px var(--accent-blue-glow);
}

.btn-secondary-glass {
  background: var(--glass-surface);
  color: var(--text-primary);
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-secondary-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-3px) scale(1.04);
  border-color: var(--text-primary);
}

.bounce-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  animation: bounceDown 2s infinite;
}

/* 5. MAIN CONTENT & RESPONSIBLE LAYOUTS */
.main-content {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 4rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

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

/* Card base layout - Titanium Glassmorphism */
.glass-card {
  background-color: var(--glass-surface);
  backdrop-filter: blur(14px) saturate(1.8);
  -webkit-backdrop-filter: blur(14px) saturate(1.8);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-high);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
  border-color: var(--glass-border-glow);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.card-header {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.card-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-blue);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Styled Font Awesome Icons Rule */
.card-badge i {
  color: #ffffff !important;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-footer-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 0.75rem;
}

/* 6. SPATIAL GRID LAYOUT (D3 GLOBE & LEAFLET CANVAS) */
.spatial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
}

/* D3 Globe Canvas Container */
.globe-container {
  min-height: 480px;
  align-items: center;
}

#d3-globe-wrapper {
  position: relative;
  width: 100%;
  max-width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#ortho-globe {
  width: 100%;
  height: 100%;
  cursor: grab;
}

#ortho-globe:active {
  cursor: grabbing;
}

.globe-overlay-info {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-inner);
  padding: 6px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
}

#globe-active-country {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

#globe-active-coords {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--accent-blue);
}

/* Leaflet Canvas Map Layout */
.map-container {
  min-height: 480px;
}

.map-controls {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 160px;
}

.control-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.control-group select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-inner);
  padding: 8px 12px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.control-group select:focus {
  border-color: var(--accent-blue);
  outline: none;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

#leaflet-map {
  height: 260px;
  border-radius: var(--radius-inner);
  border: 1px solid var(--glass-border);
  background: var(--bg-primary);
  z-index: 10;
}

.stac-query-console {
  margin-top: 1rem;
  background-color: #05070c;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-inner);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  overflow: hidden;
}

.console-header {
  background-color: #0c0e14;
  padding: 6px 12px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-weight: 700;
}

.status-indicator::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-green);
}

.console-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 80px;
  overflow-y: auto;
  color: #3b82f6; /* Technical blue console output */
}

/* 7. ANALYSIS & PARAMETRIC INSURANCE GRID */
.analysis-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2.5rem;
}

/* Fuel Moisture Chart Styling */
.chart-card {
  min-height: 400px;
}

.chart-wrapper {
  margin-top: 1rem;
  position: relative;
  background-color: rgba(9, 13, 22, 0.4);
  border-radius: var(--radius-inner);
  border: 1px solid var(--glass-border);
  padding: 10px;
}

.chart-legend {
  margin-top: 1rem;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.legend-item {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.legend-dot.current {
  background-color: var(--accent-blue);
}

.legend-dot.historical {
  background-color: var(--text-muted);
}

.legend-dot.threshold {
  background-color: var(--accent-red);
}

/* Parametric Trigger Card Layout */
.trigger-card {
  min-height: 400px;
  justify-content: space-between;
}

.contract-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.info-block {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
}

.info-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.info-value.status-badge {
  color: var(--accent-orange);
}

.info-value.status-badge.triggered {
  color: var(--accent-green);
}

/* Parametric Payout Pannel Alert */
.trigger-alert-banner {
  background-color: rgba(16, 185, 129, 0.08);
  border: 1px solid var(--accent-green);
  border-radius: var(--radius-inner);
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: none; /* Controlled by trigger simulation in JS */
  animation: pulseGreen 2s infinite alternate;
}

.alert-header {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent-green);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.alert-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.alert-footer {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.alert-footer strong {
  color: var(--text-primary);
}

.verification-progress-container {
  margin-bottom: 1rem;
}

.progress-bar-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.progress-track {
  height: 6px;
  width: 100%;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-pill);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--accent-blue);
  border-radius: var(--radius-pill);
  transition: width 0.1s linear;
}

.w-100 {
  width: 100%;
}
.mt-3 {
  margin-top: 1rem;
}

/* 8. AI ADAPTATION SIMULATOR SECTION */
.simulator-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}

@media (max-width: 768px) {
  .simulator-layout {
    grid-template-columns: 1fr;
  }
}

.sim-canvas-card {
  align-items: center;
}

#canvas-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#sim-canvas {
  background-color: #090e18;
  border-radius: var(--radius-inner);
  border: 1px solid var(--glass-border);
  max-width: 100%;
  height: auto;
  cursor: crosshair;
}

.canvas-legend {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.canvas-legend .legend-item {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.canvas-legend .block {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  display: inline-block;
}

.canvas-legend .wet-forest {
  background-color: var(--accent-green);
}
.canvas-legend .dry-fuel {
  background-color: var(--accent-orange);
}
.canvas-legend .active-fire {
  background-color: var(--accent-red);
}
.canvas-legend .burned {
  background-color: var(--accent-gray);
}

.sim-controls-card {
  justify-content: space-between;
}

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

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

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.slider-labels span:last-child {
  font-family: var(--font-mono);
  color: var(--accent-blue);
}

.slider-group input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  outline: none;
}

.slider-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-blue);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.8);
  transition: transform 0.2s ease;
}

.slider-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.sim-action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.adaptation-recommendation {
  background-color: rgba(59, 130, 246, 0.05);
  border: 1px solid var(--glass-border-glow);
  border-radius: var(--radius-inner);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.recommendation-header {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#sim-recommendation-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* 9. PRE-INCUBATION WAITLIST SECTION */
.waitlist-section {
  display: flex;
  justify-content: center;
  margin-top: 4rem;
}

.waitlist-card-wrapper {
  background-color: var(--glass-surface);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 4rem;
  width: 100%;
  max-width: 900px;
  text-align: center;
  box-shadow: var(--shadow-high);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.waitlist-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.waitlist-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin-bottom: 2.5rem;
}

.waitlist-form {
  display: flex;
  width: 100%;
  max-width: 500px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 4px;
}

.waitlist-input {
  flex: 1;
  background: none;
  border: none;
  padding: 10px 20px;
  outline: none;
  font-size: 0.95rem;
}

.waitlist-input::placeholder {
  color: var(--text-muted);
}

.waitlist-btn {
  background-color: var(--accent-blue);
  color: var(--text-primary);
  border: none;
  padding: 10px 24px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(59, 130, 246, 0.4);
}

.waitlist-btn:hover {
  background-color: #2563eb;
  transform: translateX(3px);
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.6);
}

/* 10. APP FOOTER */
.app-footer {
  background-color: #05070c;
  border-top: 1px solid var(--glass-border);
  padding: 4rem 2rem 2rem;
  margin-top: 6rem;
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto 3rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 3rem;
}

.footer-logo {
  font-family: var(--font-family);
  font-weight: 800;
  font-size: 1.6rem;
  color: #ffffff;
  margin-bottom: 0;
  display: inline-block;
}

.footer-desc {
  font-size: 0.85rem;
  color: #94a3b8;
  max-width: 320px;
  line-height: 1.5;
}

.footer-legal, .footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-legal-header, .footer-links-header {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.footer-legal-text, .footer-link {
  font-size: 0.85rem;
  color: #cbd5e1;
}

.footer-link {
  transition: color 0.2s ease;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.2);
}

.footer-link:hover {
  color: #60a5fa;
  text-decoration-color: #60a5fa;
}

.footer-bottom {
  max-width: var(--container-max);
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: #94a3b8;
}

/* 11. KEYFRAME ANIMATIONS */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% {
    transform: translate(-50%, 0);
  }
  40% {
    transform: translate(-50%, -10px);
  }
  60% {
    transform: translate(-50%, -5px);
  }
}

@keyframes pulseGreen {
  from {
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
  }
  to {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4);
  }
}

/* 12. RESPONSIVENESS MEDIA QUERIES */
@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1rem;
  }
  
  .nav-links {
    display: none; /* Hide link nav on mobile */
  }
  
  .brand-tagline {
    display: none;
  }
  
  .hero-glass-card {
    padding: 2.5rem 1.5rem;
  }
  
  .main-content {
    padding: 3rem 1rem;
    gap: 4rem;
  }
  
  .waitlist-card-wrapper {
    padding: 2.5rem 1.5rem;
  }
  
  .waitlist-form {
    flex-direction: column;
    background: none;
    border: none;
    gap: 1rem;
  }
  
  .waitlist-input {
    background-color: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-pill);
    width: 100%;
  }
  
  .waitlist-btn {
    width: 100%;
    justify-content: center;
  }
}

/* 13. PRICING PLANS SECTION */
.pricing-section {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.pricing-card {
  position: relative;
  overflow: hidden;
  align-items: stretch;
  min-height: 480px;
}

.pricing-card.premium-glow {
  border: 1px solid var(--accent-blue);
  box-shadow: 0 0 25px rgba(59, 130, 246, 0.15);
}

.pricing-card.premium-glow::before {
  content: "RECOMMENDED";
  position: absolute;
  top: 15px;
  right: -35px;
  background-color: var(--accent-blue);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 700;
  padding: 4px 35px;
  transform: rotate(45deg);
  letter-spacing: 0.05em;
}

.price-header {
  margin-bottom: 1.5rem;
}

.price-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.price-period {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.price-features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.price-features li {
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.price-features li i {
  color: var(--accent-blue) !important;
  font-size: 0.85rem;
}

.price-btn {
  margin-top: auto;
  text-align: center;
  width: 100%;
}

/* ==========================================================================
   RESEARCH LAB SECTION
   ========================================================================== */

.lab-section {
  background: linear-gradient(160deg, #f0f4ff 0%, #f5f5f7 60%, #fff8f0 100%);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

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

@media (min-width: 1200px) {
  .lab-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .lab-cards-grid {
    grid-template-columns: 1fr;
  }
}

.lab-card-photo-header {
  position: relative;
  width: calc(100% + 3rem);
  margin: -1.5rem -1.5rem 0.5rem -1.5rem;
  height: 140px;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
}

.lab-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.lab-card:hover .lab-card-img {
  transform: scale(1.05);
}

.photo-caption-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(32, 33, 36, 0.75);
  backdrop-filter: blur(4px);
  color: #ffffff;
  font-size: 0.7rem;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  font-weight: 500;
}

.lab-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lab-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-high), 0 0 20px rgba(26, 115, 232, 0.08);
}

.lab-card-icon {
  font-size: 2rem;
  color: var(--accent-red);
  margin-bottom: 0.25rem;
}

.lab-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.lab-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  border-top: 1px solid var(--glass-border);
  margin-top: auto;
}

.lab-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.lab-explore-btn {
  font-size: 0.8rem;
  padding: 0.4rem 0.9rem;
}

.lab-threshold-table {
  padding: 1.5rem;
}

.threshold-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-radius: var(--radius-inner);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  margin-top: 1rem;
}

.threshold-row {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
  transition: background 0.15s ease;
}

.threshold-row:last-child {
  border-bottom: none;
}

.threshold-row.header {
  background: var(--bg-tertiary);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.threshold-row.very-low { background: rgba(24, 128, 56, 0.06); }
.threshold-row.low      { background: rgba(251, 188, 4, 0.06); }
.threshold-row.moderate { background: rgba(232, 113, 10, 0.08); }
.threshold-row.high     { background: rgba(217, 48, 37, 0.08); }
.threshold-row.extreme  {
  background: rgba(217, 48, 37, 0.15);
  font-weight: 600;
  color: var(--accent-red);
}

.threshold-row.high strong,
.threshold-row.extreme strong {
  color: var(--accent-red);
}

.mt-4 { margin-top: 1.5rem; }

@media (max-width: 600px) {
  .threshold-row {
    grid-template-columns: 1fr 1fr;
    font-size: 0.8rem;
  }
  .threshold-row span:last-child {
    grid-column: 1 / -1;
    font-size: 0.75rem;
    color: var(--text-muted);
  }
}