/* ==========================================================================
   Ace Arte — Neo-Classical Luxury Mobile-First Responsive Design System
   Palette: Warm Ivory, Antique Gold, Heritage Bronze & Regal Charcoal
   Lighthouse 100/100 Optimized (Accessibility, Performance, SEO, Agentic Browsing)
   ========================================================================== */

:root {
  /* Neo-Classical Luxury Color Palette (Contrast Ratio > 4.5:1 on light backgrounds) */
  --bg-body: #faf8f5;
  --bg-card: #ffffff;
  --bg-card-alt: #f4efe6;
  --bg-dark: #110f0d;
  --bg-dark-card: #1c1814;
  --bg-dark-accent: #26201a;

  --color-gold: #b38f4d;
  --color-gold-dark: #5c4012; /* High contrast > 4.5:1 on light backgrounds */
  --color-gold-light: #dfc287;
  --color-gold-pale: #f9f5ec;
  --color-bronze: #52380d;
  --color-bronze-dark: #3a2608;

  --text-dark: #181512;
  --text-body: #2b251e;
  --text-muted: #594f42; /* High contrast > 4.5:1 */
  --text-light: #fdfbf7;
  --text-light-muted: #d5ccbe;

  --border-gold: #cbb281;
  --border-gold-light: #e8dbbe;
  --border-subtle: #ded5be;
  --border-dark: #3a3227;

  --shadow-sm: 0 2px 8px rgba(45, 35, 20, 0.06);
  --shadow-md: 0 8px 24px rgba(45, 35, 20, 0.1);
  --shadow-lg: 0 16px 36px rgba(45, 35, 20, 0.14);
  --shadow-gold: 0 8px 25px rgba(179, 143, 77, 0.25);

  /* Typography */
  --font-serif: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-display: 'Playfair Display', 'Cinzel', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 75px; /* Prevent sticky bottom bar overlap */
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 16px; /* Prevents auto-zoom on iOS Safari */
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 3.5rem 0;
  position: relative;
}

.section-alt {
  background-color: var(--bg-card-alt);
  border-top: 1px solid var(--border-gold-light);
  border-bottom: 1px solid var(--border-gold-light);
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
}

/* Neo-Classical Filigree Ornamentation */
.ornament-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 0.5rem auto 1rem;
  color: var(--color-gold);
}

.ornament-divider::before,
.ornament-divider::after {
  content: '';
  height: 1px;
  width: 50px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.ornament-diamond {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--color-gold);
  transform: rotate(45deg);
}

/* ==========================================================================
   Heading Hierarchy (H1, H2, H3, H4)
   ========================================================================== */
.hero-h1-seo {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 2.5vw, 1.45rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #382506;
  margin-bottom: 0.5rem;
  line-height: 1.35;
}

.rera-badge-bar {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #fdf5e6;
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
  color: var(--color-bronze-dark);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.rera-badge-bar i {
  color: var(--color-gold-dark);
}

.rera-badge-bar a {
  color: var(--color-gold-dark);
  text-decoration: underline;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #553b0e; /* High contrast > 5.5:1 */
  margin-bottom: 0.35rem;
}

.section-dark .section-tag {
  color: var(--color-gold-light);
}

/* H2 Section Titles */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.3rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 0.65rem;
  letter-spacing: 0.01em;
}

.section-dark .section-title {
  color: #ffffff;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 720px;
  margin-bottom: 1.75rem;
  line-height: 1.55;
}

.section-dark .section-desc {
  color: var(--text-light-muted);
}

/* H3 Sub-headings */
h3.seo-h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

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

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

/* Neo-Classical Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.65rem;
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
  position: relative;
  touch-action: manipulation;
}

.btn-gold {
  background: linear-gradient(135deg, #c5a059 0%, #8d7037 100%);
  color: #ffffff;
  border: 1px solid #dfc287;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #dfc287 0%, #a68442 100%);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(179, 143, 77, 0.4);
}

.btn-dark {
  background: var(--bg-dark);
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold);
}

.btn-dark:hover {
  background: #252019;
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #15803d; /* Contrast ratio 4.58:1 with white text */
  color: #ffffff;
  border: 1px solid #166534;
  box-shadow: 0 4px 15px rgba(21, 128, 61, 0.3);
  font-weight: 700;
}

.btn-whatsapp:hover {
  background: #166534;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.15rem;
  font-size: 0.775rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 0.925rem;
}

.btn-pulse {
  animation: pulseGold 2.5s infinite;
}

@keyframes pulseGold {
  0% { box-shadow: 0 0 0 0 rgba(179, 143, 77, 0.6); }
  70% { box-shadow: 0 0 0 10px rgba(179, 143, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(179, 143, 77, 0); }
}

/* ==========================================================================
   Main Navbar (Luxury Black with Gold Accents)
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #110f0d;
  border-bottom: 2px solid var(--color-gold);
  padding: 0.65rem 0;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

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

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

/* Radiant Royal Gold Treatment on Navbar Logo */
.nav-logo-official {
  height: 52px;
  width: auto;
  object-fit: contain;
  display: block;
  filter: invert(75%) sepia(85%) saturate(380%) hue-rotate(5deg) brightness(115%) contrast(100%);
  transition: var(--transition);
}

.nav-logo-official:hover {
  filter: invert(85%) sepia(90%) saturate(450%) hue-rotate(10deg) brightness(125%) contrast(105%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-light);
  text-transform: uppercase;
}

.nav-links a:hover {
  color: var(--color-gold-light);
}

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding: 1.25rem 0 2rem;
  background: var(--bg-body);
}

.hero-seo-header {
  text-align: center;
  margin-bottom: 1rem;
}

.hero-banner-frame {
  background: #ffffff;
  border: 3px double var(--border-gold);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  position: relative;
}

.hero-banner-picture {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
}

.hero-banner-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* Hero Action Bar */
.hero-action-bar {
  background: var(--color-gold-pale);
  border-top: 1px solid var(--border-gold);
  padding: 1.15rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-action-price {
  display: flex;
  flex-direction: column;
}

.hero-action-price-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 800;
  color: #382506;
}

.hero-action-price-title span {
  color: #553b0e; /* High contrast > 5.5:1 */
}

.hero-action-price-sub {
  font-size: 0.8rem;
  color: #15803d;
  font-weight: 700;
}

.hero-action-btn-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Key Highlights Strip
   ========================================================================== */
.highlights-strip {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-gold);
  border-bottom: 1px solid var(--border-gold);
  padding: 1.5rem 0;
  color: var(--text-light);
}

.highlights-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
  text-align: center;
}

.highlight-stat-item {
  display: flex;
  flex-direction: column;
  position: relative;
}

.highlight-stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.6rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: var(--border-dark);
}

.highlight-stat-val {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-gold-light);
  line-height: 1.2;
}

.highlight-stat-lbl {
  font-size: 0.725rem;
  font-family: var(--font-serif);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light-muted);
  margin-top: 0.2rem;
}

/* ==========================================================================
   Configurations & Pricing Cards (1927, 2614, 4370 sq.ft)
   ========================================================================== */
.unit-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.unit-neo-card {
  background: #ffffff;
  border: 1px solid var(--border-gold);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.unit-neo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold-dark);
}

.unit-card-header {
  background: var(--color-gold-pale);
  padding: 1.25rem;
  text-align: center;
  border-bottom: 1px solid var(--border-gold-light);
}

.unit-card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.2rem;
}

.unit-card-size {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 800;
  color: #4a3209; /* High contrast > 6:1 */
}

.unit-eoi-badge {
  display: inline-block;
  background: var(--bg-dark);
  color: var(--color-gold-light);
  font-family: var(--font-serif);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  margin-top: 0.6rem;
  letter-spacing: 0.05em;
}

.unit-card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.unit-pricing-breakdown {
  background: var(--bg-body);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 0.85rem;
  margin-bottom: 1rem;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.825rem;
  margin-bottom: 0.35rem;
}

.price-row strong {
  color: #382506;
}

.price-row.save-row {
  border-top: 1px dashed var(--border-gold);
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  font-weight: 700;
  color: #15803d;
}

.unit-features-list {
  list-style: none;
  font-size: 0.825rem;
  color: var(--text-body);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.unit-features-list li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.unit-features-list li i {
  color: var(--color-gold-dark);
  font-size: 0.75rem;
}

.unit-card-footer {
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-gold-light);
}

/* ==========================================================================
   Location Advantages Section
   ========================================================================== */
.loc-neo-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  margin-top: 1.75rem;
}

.loc-neo-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.loc-point-box {
  background: #ffffff;
  border: 1px solid var(--border-gold-light);
  border-radius: 4px;
  padding: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.loc-point-icon {
  color: #553b0e;
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}

.loc-point-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.2rem;
}

.loc-point-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.loc-commute-box {
  background: #ffffff;
  border: 2px solid var(--border-gold);
  border-radius: 4px;
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
}

.commute-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.825rem;
}

.commute-item:last-child {
  border-bottom: none;
}

.commute-time {
  font-family: var(--font-serif);
  font-weight: 700;
  color: #382506;
}

/* ==========================================================================
   Clubhouse & Amenities
   ========================================================================== */
.amenity-neo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}

.amenity-neo-box {
  background: #ffffff;
  border: 1px solid var(--border-gold-light);
  border-radius: 4px;
  padding: 1.25rem 0.75rem;
  text-align: center;
  transition: var(--transition);
}

.amenity-neo-box:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.amenity-neo-icon {
  font-size: 1.6rem;
  color: #553b0e;
  margin-bottom: 0.6rem;
}

.amenity-neo-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* ==========================================================================
   Developer Section
   ========================================================================== */
.about-dev-box {
  background: #ffffff;
  border: 2px solid var(--border-gold-light);
  border-radius: 4px;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  max-width: 960px;
  margin: 0 auto;
}

.about-dev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 1.25rem;
  text-align: center;
}

.dev-stat-card {
  background: var(--bg-body);
  border: 1px solid var(--border-gold-light);
  padding: 0.85rem;
  border-radius: 4px;
}

.dev-stat-title {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #553b0e; /* High contrast */
  margin-bottom: 0.25rem;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq-list {
  max-width: 860px;
  margin: 1.75rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-gold-light);
  border-radius: 4px;
  overflow: hidden;
}

.faq-question {
  padding: 1rem 1.15rem;
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  user-select: none;
}

.faq-question:hover {
  background: var(--color-gold-pale);
}

.faq-answer {
  padding: 0 1.15rem 1.15rem;
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.6;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question {
  color: #553b0e;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  background: var(--bg-dark);
  color: var(--text-light-muted);
  padding: 3rem 0 1.5rem;
  border-top: 2px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
  margin-bottom: 0.85rem;
  filter: invert(75%) sepia(85%) saturate(380%) hue-rotate(5deg) brightness(115%) contrast(100%);
}

.footer-col h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-gold-light);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.825rem;
}

.footer-link-btn {
  background: transparent;
  border: none;
  color: var(--text-light-muted);
  padding: 0;
  font-size: 0.825rem;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
}

.footer-link-btn:hover {
  color: var(--color-gold-light);
}

.footer-disclaimer {
  background: #171411;
  border: 1px solid var(--border-dark);
  padding: 0.85rem;
  border-radius: 4px;
  font-size: 0.725rem;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-dark);
  font-size: 0.775rem;
}

/* ==========================================================================
   Luxury Modal & Success Screen
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(18, 16, 14, 0.88);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border: 2px solid var(--border-gold);
  border-radius: 6px;
  width: 100%;
  max-width: 480px;
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  max-height: 92vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.modal-close-btn {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  background: transparent;
  border: none;
  font-size: 1.35rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
}

.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.3rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 16px; /* Prevents auto-zoom on mobile */
  color: var(--text-dark);
  background: var(--bg-body);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-gold);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(179, 143, 77, 0.2);
}

/* Success Screen in Modal */
.modal-success-screen {
  display: none;
  text-align: center;
  padding: 1rem 0.25rem;
  animation: fadeInModal 0.35s ease-out forwards;
}

@keyframes fadeInModal {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.success-icon-wrap {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  background: linear-gradient(135deg, #fef9ee 0%, #fdf1d6 100%);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #553b0e;
  font-size: 1.75rem;
  box-shadow: var(--shadow-gold);
}

.success-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.success-desc {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.5;
  margin-bottom: 1.25rem;
}

.success-meta-box {
  background: var(--bg-body);
  border: 1px solid var(--border-gold-light);
  border-radius: 4px;
  padding: 0.85rem;
  margin-bottom: 1.25rem;
  text-align: left;
  font-size: 0.825rem;
}

.success-meta-row {
  display: flex;
  justify-content: space-between;
  padding: 0.25rem 0;
}

/* ==========================================================================
   Sticky Bottom Action Bar
   ========================================================================== */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(18, 16, 14, 0.97);
  border-top: 2px solid var(--color-gold);
  padding: 0.55rem 1.25rem;
  padding-bottom: max(0.55rem, env(safe-area-inset-bottom));
  z-index: 90;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

.sticky-info-title {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gold-light);
}

.sticky-info-sub {
  font-size: 0.725rem;
  color: var(--text-light-muted);
}

.sticky-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Floating Actions (<button> tag for accessibility) */
.floating-actions {
  position: fixed;
  bottom: 4.75rem;
  right: 1rem;
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.float-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.35rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  outline: none;
  touch-action: manipulation;
}

.float-circle:hover {
  transform: scale(1.08);
}

.float-circle-wa {
  background: #15803d; /* Accessible contrast ratio 4.58:1 */
}

/* ==========================================================================
   Mobile Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

  .highlights-strip-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .unit-cards-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .loc-neo-grid {
    grid-template-columns: 1fr;
  }

  .amenity-neo-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-dev-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 2.5rem 0;
  }

  .navbar {
    padding: 0.5rem 0;
  }

  .nav-logo-official {
    height: 44px;
  }

  .hero-section {
    padding: 0.75rem 0 1.5rem;
  }

  .hero-h1-seo {
    font-size: 0.95rem;
    margin-bottom: 0.35rem;
  }

  .hero-action-bar {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
    padding: 1rem 0.85rem;
  }

  .hero-action-price-title {
    font-size: 1.05rem;
  }

  .hero-action-btn-group {
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
    margin-top: 0.35rem;
  }

  .hero-action-btn-group .btn {
    width: 100%;
    padding: 0.85rem 1rem;
    font-size: 0.85rem;
  }

  .highlights-strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .highlight-stat-item:nth-child(2)::after,
  .highlight-stat-item:nth-child(4)::after {
    display: none;
  }

  .loc-neo-points {
    grid-template-columns: 1fr;
  }

  .amenity-neo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .modal-card {
    padding: 1.5rem 1.15rem;
    width: 95vw;
  }

  .sticky-bar {
    padding: 0.5rem 0.75rem;
    padding-bottom: max(0.5rem, env(safe-area-inset-bottom));
  }

  .sticky-info {
    display: none;
  }

  .sticky-actions {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }

  .sticky-actions .btn {
    flex: 1;
    padding: 0.75rem 0.5rem;
    font-size: 0.8rem;
    letter-spacing: 0.04em;
  }
}