/* ==========================================================================
   Virtuo - Design System & Stylesheet
   Modern, Ultra-Premium Real Estate Spatial Tech Aesthetic
   ========================================================================== */

:root {
  /* Surface & Background Tokens */
  --bg-primary: #06070a;
  --bg-secondary: #0b0e14;
  --bg-tertiary: #10141d;
  --bg-card: rgba(14, 18, 26, 0.75);
  --bg-card-hover: rgba(20, 26, 38, 0.9);
  --bg-glass: rgba(10, 13, 19, 0.8);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-subtle-hover: rgba(255, 255, 255, 0.18);
  --border-emerald: rgba(16, 185, 129, 0.35);
  --border-cyan: rgba(56, 189, 248, 0.35);

  /* Typography Colors */
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #f8fafc;

  /* Brand Accents */
  --accent-emerald: #10b981;
  --accent-emerald-light: #34d399;
  --accent-emerald-glow: rgba(16, 185, 129, 0.25);
  
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-gold: #f59e0b;

  --accent-gradient: linear-gradient(135deg, #34d399 0%, #38bdf8 100%);
  --accent-metallic: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', var(--font-sans);

  /* Shapes & Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.65);
  --shadow-emerald-glow: 0 0 35px rgba(16, 185, 129, 0.2);
  --shadow-cyan-glow: 0 0 35px rgba(56, 189, 248, 0.18);

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  width: 100%;
  line-height: 1.65;
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(ellipse at 50% -10%, rgba(16, 185, 129, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 100% 35%, rgba(56, 189, 248, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 0% 70%, rgba(16, 185, 129, 0.03) 0%, transparent 50%);
  background-attachment: fixed;
  -webkit-tap-highlight-color: transparent;
}

a, button {
  color: inherit;
  text-decoration: none;
  touch-action: manipulation;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ==========================================================================
   Typography & Helpers
   ========================================================================== */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.gradient-text {
  background: var(--accent-metallic);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
  animation: pulseDot 2.2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(6, 7, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo-svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.3));
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1;
}

.brand-tagline {
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--accent-emerald-light);
  text-transform: uppercase;
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: #fff;
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-login-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.nav-login-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-subtle-hover);
}

.btn-whatsapp-header {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-fast);
}

.btn-whatsapp-header:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
  padding: 140px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 46px;
}

.hero-title {
  font-size: clamp(2.3rem, 4.8vw, 3.8rem);
  font-weight: 800;
  margin: 20px 0 18px;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.hero-subtitle {
  font-size: clamp(1.02rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  max-width: 660px;
  margin: 0 auto 32px;
  line-height: 1.6;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.hero-buttons-row {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary-emerald {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 32px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.btn-primary-emerald:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(16, 185, 129, 0.45);
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
}

.btn-secondary-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.btn-secondary-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-subtle-hover);
  transform: translateY(-2px);
}

.hero-guarantee {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 6px;
}

.hero-guarantee span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.hero-guarantee svg {
  color: var(--accent-emerald);
}

/* ==========================================================================
   Interactive Simulator Showcase (3D WebGL Spherical)
   ========================================================================== */

.simulator-container {
  max-width: 1060px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(16, 185, 129, 0.08);
  overflow: hidden;
  position: relative;
  backdrop-filter: blur(20px);
}

.simulator-header {
  padding: 14px 22px;
  background: rgba(10, 13, 18, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.simulator-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sim-property-badge {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sim-live-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.simulator-instructions {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 600;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

/* Simulator Canvas Area - True 3D WebGL Spherical View */
.simulator-viewport {
  position: relative;
  height: 520px;
  width: 100%;
  overflow: hidden;
  background: #030508;
  cursor: grab;
  user-select: none;
}

.simulator-viewport:active {
  cursor: grabbing;
}

#webglTourCanvas {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.simulator-overlay-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, transparent 40%, rgba(0, 0, 0, 0.4) 100%),
              linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 15%, transparent 75%, rgba(0,0,0,0.65) 100%);
  pointer-events: none;
}

/* Stories Style Progress Bars at Top */
.sim-stories-bar {
  position: absolute;
  top: 16px;
  left: 20px;
  right: 20px;
  display: flex;
  gap: 8px;
  z-index: 10;
}

.sim-story-step {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.22);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
  cursor: pointer;
}

.sim-story-fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  background: #fff;
  width: 0%;
  transition: width 0.3s ease;
}

.sim-story-step.active .sim-story-fill {
  width: 100%;
  background: var(--accent-emerald);
}

.sim-story-step.completed .sim-story-fill {
  width: 100%;
}

/* Floating Room Tag inside view */
.sim-floating-tag {
  position: absolute;
  top: 32px;
  left: 20px;
  z-index: 10;
  background: rgba(6, 8, 12, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sim-floating-tag .room-num {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--accent-emerald);
  color: #032112;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}

.sim-floating-tag .room-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: #fff;
}

/* Interactive Drag Helper / Hint */
.drag-hint-pill {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(6, 8, 12, 0.8);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  animation: floatHint 3s infinite ease-in-out;
  transition: opacity 0.5s ease;
  z-index: 10;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

@keyframes floatHint {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.04); }
}

/* Hotspot Container & Transition Fade */
#simHotspotsContainer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 25;
}

.sim-room-transition-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(6, 8, 12, 0.35) 0%, rgba(6, 8, 12, 0.95) 100%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 22;
}

.sim-room-transition-overlay.active {
  opacity: 1;
}

/* 3D Door Portal Hotspots (Pinned in 3D Space) */
.door-portal-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 26;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

.door-portal-pin:hover {
  transform: translate(-50%, -50%) scale(1.08);
}

.door-portal-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-emerald);
  color: #042612;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.7);
  border: 2px solid #fff;
  animation: pulseDoorRing 2s infinite;
}

@keyframes pulseDoorRing {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 14px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.door-portal-tag {
  margin-top: 6px;
  background: rgba(6, 8, 12, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0,0,0,0.5);
}

/* 3D Feature Tag Pins */
.feature-tag-pin {
  position: absolute;
  transform: translate(-50%, -50%);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 8, 12, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  pointer-events: none;
  white-space: nowrap;
}

.feature-tag-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent-cyan);
  color: #031525;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  font-weight: 800;
}

/* Bottom Controls Inside Tour */
.simulator-bottom-bar {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
  gap: 12px;
  flex-wrap: wrap;
}

.sim-nav-btn {
  background: rgba(10, 13, 19, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
}

.sim-nav-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.sim-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.sim-btn-lead-whatsapp {
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-fast);
}

.sim-btn-lead-whatsapp:hover {
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
  transform: translateY(-1px);
}

/* Simulator Footer Selector */
.simulator-footer-bar {
  padding: 12px 20px;
  background: rgba(8, 10, 15, 0.95);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.room-thumbnails {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0;
}

.room-thumb-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.room-thumb-btn.active {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--accent-emerald);
  color: #fff;
}

.room-thumb-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.sim-embed-code-badge {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.sim-embed-code-badge code {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3px 8px;
  border-radius: 4px;
  color: var(--accent-cyan);
  font-family: monospace;
}

/* ==========================================================================
   Section: General Padding & Headers
   ========================================================================== */

.section-padding {
  padding: 90px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 50px;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.7rem);
  font-weight: 800;
  margin: 14px 0 12px;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Section: How It Works (Bento Process Grid - 2x2)
   ========================================================================== */

.bento-steps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-top: 36px;
}

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

.bento-step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 34px 30px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.bento-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-subtle-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-md);
}

.bento-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.bento-step-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.2);
  line-height: 1;
}

.bento-step-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.bento-step-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}

.bento-step-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.bento-step-tags {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.bento-step-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

/* AI Quality Banner */
.ai-quality-banner {
  margin-top: 36px;
  background: radial-gradient(ellipse at 50% 0%, rgba(16, 185, 129, 0.12) 0%, rgba(14, 18, 26, 0.8) 70%);
  border: 1px solid var(--border-emerald);
  border-radius: var(--radius-xl);
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.ai-quality-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.ai-quality-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-emerald), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #042612;
  flex-shrink: 0;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.35);
}

.ai-quality-text h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 4px;
}

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

.ai-quality-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.ai-quality-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-emerald-light);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Section: Pricing by Tour (Executive Tier Cards)
   ========================================================================== */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  align-items: stretch;
}

@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

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

.pricing-card.popular {
  border-color: var(--border-emerald);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.07) 0%, var(--bg-card) 40%);
  box-shadow: 0 10px 35px rgba(16, 185, 129, 0.12);
}

.pricing-badge-popular {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.pricing-plan-header {
  margin-bottom: 20px;
}

.pricing-plan-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 10px;
}

.pricing-card.popular .pricing-plan-badge {
  color: var(--accent-emerald-light);
  background: rgba(16, 185, 129, 0.1);
}

.pricing-plan-title {
  font-size: 1.4rem;
  color: #fff;
  font-weight: 700;
  margin-bottom: 6px;
}

.pricing-plan-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.pricing-currency {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}

.pricing-amount {
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font-display);
  color: #fff;
  line-height: 1;
  letter-spacing: -0.03em;
}

.pricing-period {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pricing-per-unit {
  font-size: 0.78rem;
  color: var(--accent-emerald-light);
  font-weight: 600;
  display: block;
  margin-top: 3px;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.45;
}

.pricing-feature-icon {
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 20px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.pricing-btn-primary {
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.pricing-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(16, 185, 129, 0.5);
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
}

.pricing-btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  border-color: var(--border-subtle);
}

.pricing-btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-subtle-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   Section: Executive Comparison Matrix
   ========================================================================== */

.comparison-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  margin-top: 36px;
}

@media (max-width: 840px) {
  .comparison-wrapper {
    grid-template-columns: 1fr;
  }
}

.comparison-card {
  padding: 34px 30px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
}

.comparison-card.old-way {
  border-color: rgba(255, 255, 255, 0.06);
  background: rgba(14, 16, 22, 0.6);
}

.comparison-card.virtuo-way {
  border-color: var(--border-emerald);
  background: radial-gradient(ellipse at 50% 0%, rgba(16, 185, 129, 0.08) 0%, rgba(14, 18, 26, 0.9) 70%);
  box-shadow: 0 10px 35px rgba(16, 185, 129, 0.1);
  position: relative;
}

.comparison-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 18px;
}

.comparison-card.old-way .comparison-badge {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.comparison-card.virtuo-way .comparison-badge {
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald-light);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.comparison-card h3 {
  font-size: 1.45rem;
  margin-bottom: 22px;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.comparison-item strong {
  color: #fff;
  display: block;
  margin-bottom: 2px;
  font-size: 0.95rem;
}

.comparison-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: 0.75rem;
  font-weight: 800;
}

.old-way .comparison-icon {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.virtuo-way .comparison-icon {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald-light);
}

/* ==========================================================================
   Section: Key Benefits (Bento Layout)
   ========================================================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 36px;
}

@media (max-width: 992px) {
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 30px 24px;
  transition: all var(--transition-normal);
}

.benefit-card:hover {
  border-color: var(--border-subtle-hover);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-emerald-light);
}

.benefit-card h4 {
  font-size: 1.18rem;
  margin-bottom: 8px;
  color: #fff;
}

.benefit-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Section: Direct Contact / Final CTA
   ========================================================================== */

.cta-box {
  background: radial-gradient(ellipse at 50% 0%, rgba(16, 185, 129, 0.15) 0%, rgba(14, 18, 26, 0.95) 70%);
  border: 1px solid var(--border-emerald);
  border-radius: var(--radius-xl);
  padding: 60px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(16, 185, 129, 0.12);
}

.cta-box h2 {
  font-size: clamp(2rem, 3.8vw, 3rem);
  margin-bottom: 14px;
  letter-spacing: -0.035em;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

.cta-box-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.cta-btn-whatsapp-large {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
}

.cta-btn-whatsapp-large:hover {
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 35px rgba(16, 185, 129, 0.45);
}

.cta-direct-phone-note {
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.cta-direct-phone-note strong {
  color: var(--accent-emerald-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  padding: 50px 0 26px;
  border-top: 1px solid var(--border-subtle);
  background: #040507;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 26px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 6px;
  max-width: 320px;
}

.footer-contact-block {
  text-align: right;
}

.footer-contact-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.footer-phone-link {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent-emerald-light);
  transition: color var(--transition-fast);
}

.footer-phone-link:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */

.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: linear-gradient(180deg, #10b981 0%, #059669 100%);
  color: #ffffff;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 6px 25px rgba(16, 185, 129, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  text-decoration: none;
}

.floating-whatsapp:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.5);
  background: linear-gradient(180deg, #34d399 0%, #10b981 100%);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }
  .simulator-viewport {
    height: clamp(380px, 58vh, 460px);
  }
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }
  .section-padding {
    padding: 52px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .section-title {
    font-size: clamp(1.6rem, 5.5vw, 2.2rem);
  }
  .section-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  /* Header */
  .site-header {
    padding: max(10px, env(safe-area-inset-top, 10px)) 0 10px;
  }
  .brand-logo-svg {
    width: 32px;
    height: 32px;
  }
  .brand-name {
    font-size: 1.3rem;
  }
  .brand-tagline {
    font-size: 0.58rem;
  }
  .nav-cta-group .btn-primary-emerald {
    padding: 7px 14px !important;
    font-size: 0.8rem !important;
  }

  /* Hero */
  .hero-section {
    padding: calc(76px + env(safe-area-inset-top, 10px)) 0 32px;
  }
  .hero-content {
    margin-bottom: 28px;
  }
  .hero-title {
    font-size: clamp(1.85rem, 7vw, 2.85rem);
    line-height: 1.15;
    margin: 16px 0 12px;
  }
  .hero-subtitle {
    font-size: 0.96rem;
    margin-bottom: 22px;
    line-height: 1.55;
  }
  .hero-buttons-row {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }
  .hero-buttons-row .btn-primary-emerald,
  .hero-buttons-row .btn-secondary-glass {
    width: 100%;
    min-height: 48px;
    padding: 13px 20px;
    font-size: 0.96rem;
    justify-content: center;
  }
  .hero-guarantee {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
    max-width: 360px;
    margin: 16px auto 0;
    font-size: 0.8rem;
  }
  .hero-guarantee span {
    width: 100%;
  }

  /* 3D WebGL Spherical Simulator */
  .simulator-container {
    border-radius: 16px;
    margin-top: 20px;
  }
  .simulator-header {
    padding: 10px 14px;
    gap: 8px;
  }
  .sim-property-badge {
    font-size: 0.8rem;
  }
  .simulator-instructions {
    font-size: 0.72rem;
    padding: 3px 10px;
  }
  .simulator-viewport {
    height: clamp(340px, 58vh, 440px);
    touch-action: pan-y;
  }
  .sim-stories-bar {
    top: 10px;
    left: 12px;
    right: 12px;
  }
  .sim-floating-tag {
    top: 22px;
    left: 12px;
    padding: 4px 10px;
    gap: 6px;
  }
  .sim-floating-tag .room-num {
    font-size: 0.65rem;
    padding: 2px 6px;
  }
  .sim-floating-tag .room-name {
    font-size: 0.78rem;
  }
  .drag-hint-pill {
    padding: 7px 14px;
    font-size: 0.75rem;
    gap: 6px;
  }
  .door-portal-circle {
    width: 44px;
    height: 44px;
  }
  .door-portal-tag {
    font-size: 0.72rem;
    padding: 3px 8px;
  }
  .simulator-bottom-bar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "prev next"
      "lead lead";
    gap: 8px;
    bottom: 10px;
    left: 10px;
    right: 10px;
  }
  #simPrevBtn {
    grid-area: prev;
    width: 100%;
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.78rem;
  }
  #simNextBtn {
    grid-area: next;
    width: 100%;
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.78rem;
  }
  #simWhatsappLeadBtn {
    grid-area: lead;
    width: 100%;
    justify-content: center;
    padding: 10px;
    font-size: 0.88rem;
  }
  .simulator-footer-bar {
    padding: 8px 12px;
  }
  .sim-embed-code-badge {
    display: none;
  }
  .room-thumbnails {
    width: 100%;
    display: flex;
    gap: 6px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .room-thumbnails::-webkit-scrollbar {
    display: none;
  }
  .room-thumb-btn {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 0.76rem;
  }

  /* Bento Steps Grid */
  .bento-steps-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    margin-top: 24px;
  }
  .bento-step-card {
    padding: 22px 18px;
    border-radius: 16px;
  }
  .bento-step-title {
    font-size: 1.2rem;
  }
  .bento-step-desc {
    font-size: 0.88rem;
  }
  .bento-step-number {
    font-size: 1.8rem;
  }

  /* AI Quality Banner */
  .ai-quality-banner {
    margin-top: 24px;
    padding: 20px 16px;
    border-radius: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .ai-quality-left {
    gap: 12px;
  }
  .ai-quality-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }
  .ai-quality-text h4 {
    font-size: 1.02rem;
  }
  .ai-quality-text p {
    font-size: 0.85rem;
  }
  .ai-quality-tags {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
  }
  .ai-quality-tag {
    font-size: 0.78rem;
    padding: 7px 12px;
    justify-content: flex-start;
    width: 100%;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
    gap: 20px;
    margin-top: 24px;
  }
  .pricing-card {
    padding: 28px 18px;
    border-radius: 18px;
  }
  .pricing-plan-title {
    font-size: 1.3rem;
  }
  .pricing-amount {
    font-size: 2.5rem;
  }
  .pricing-features {
    gap: 10px;
    margin-bottom: 22px;
  }
  .pricing-feature-item {
    font-size: 0.85rem;
  }
  .pricing-btn {
    min-height: 48px;
    font-size: 0.94rem;
  }

  /* Comparison */
  .comparison-wrapper {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 24px;
  }
  .comparison-card {
    padding: 24px 18px;
    border-radius: 18px;
  }
  .comparison-card h3 {
    font-size: 1.22rem;
    margin-bottom: 16px;
  }
  .comparison-list {
    gap: 12px;
  }
  .comparison-item {
    font-size: 0.86rem;
    gap: 10px;
  }
  .comparison-item strong {
    font-size: 0.9rem;
  }

  /* Benefits */
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 24px;
  }
  .benefit-card {
    padding: 20px 16px;
    border-radius: 16px;
  }
  .benefit-card h4 {
    font-size: 1.08rem;
  }
  .benefit-card p {
    font-size: 0.85rem;
  }

  /* CTA */
  .cta-box {
    padding: 34px 16px;
    border-radius: 20px;
  }
  .cta-box h2 {
    font-size: clamp(1.5rem, 5.8vw, 2.1rem);
  }
  .cta-box p {
    font-size: 0.92rem;
    margin-bottom: 22px;
  }
  .cta-box-actions {
    width: 100%;
  }
  .cta-box-actions .btn-primary-emerald {
    width: 100%;
    min-height: 48px;
    font-size: 0.96rem;
    justify-content: center;
  }

  /* Footer */
  .site-footer {
    padding: 40px 0 calc(20px + env(safe-area-inset-bottom, 20px));
  }
  .footer-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-contact-block {
    text-align: left;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    font-size: 0.78rem;
  }

  /* Floating WhatsApp */
  .floating-whatsapp {
    bottom: calc(16px + env(safe-area-inset-bottom, 16px));
    right: 16px;
    padding: 12px;
    width: 48px;
    height: 48px;
    justify-content: center;
    border-radius: 50%;
  }
  .floating-whatsapp span {
    display: none;
  }
}

@media (max-width: 420px) {
  .container {
    padding: 0 12px;
  }
  .hero-title {
    font-size: clamp(1.7rem, 7.5vw, 2.2rem);
  }
  .pricing-amount {
    font-size: 2.2rem;
  }
  .sim-property-badge {
    font-size: 0.72rem;
  }
  .simulator-instructions span {
    display: none;
  }
  .simulator-instructions {
    padding: 4px;
    border-radius: 50%;
  }
}

/* ==========================================================================
   AI & Spatial Processing Utilities
   ========================================================================== */

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-animation {
  animation: spin 1s linear infinite;
}

.badge-ai-nvidia {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-ai-nvidia .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  box-shadow: 0 0 8px #34d399;
}