/* ==========================================================================
   ACE STARLIT - LUXURY RESIDENTIAL LANDING PAGE
   Sector 152, Noida Expressway | By ACE Group
   Design Philosophy: Bright White, Colourful, Clean, High-Conversion
   ========================================================================== */

:root {
  /* Primary & Accent Palette */
  --color-white: #ffffff;
  --color-royal-blue: #1d4ed8;
  --color-royal-blue-hover: #1e40af;
  --color-royal-blue-deep: #172554;
  --color-royal-blue-glow: rgba(29, 78, 216, 0.2);
  
  --color-sky-blue: #0284c7;
  --color-sky-blue-light: #e0f2fe;
  --color-sky-blue-subtle: #f0f7ff;
  
  --color-turquoise: #0891b2;
  --color-turquoise-light: #ecfeff;
  
  --color-emerald: #059669;
  --color-emerald-light: #ecfdf5;
  --color-emerald-border: #a7f3d0;
  
  --color-gold: #b45309;
  --color-gold-accent: #d97706;
  --color-gold-light: #fef3c7;
  --color-gold-border: rgba(217, 119, 6, 0.25);

  /* Background Shades (Strictly Light / White) */
  --bg-primary: #ffffff;
  --bg-ice-blue: #f4f8fd;
  --bg-warm-ivory: #faf9f5;
  --bg-soft-green: #f2f9f5;
  --bg-subtle-gray: #f8fafc;
  
  /* Text & Readability (Charcoal / Navy) */
  --text-main: #0f172a;
  --text-heading: #1e293b;
  --text-body: #475569;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  
  /* Borders & Shadows */
  --border-light: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-focus: #3b82f6;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 14px 30px rgba(15, 23, 42, 0.08);
  --shadow-xl: 0 24px 48px -12px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 4px 16px rgba(15, 23, 42, 0.05);
  --shadow-hover: 0 12px 28px rgba(29, 78, 216, 0.12);
  
  /* Spacing */
  --container-max: 1240px;
  --header-height: 76px;
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s ease;
}

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

html {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-body);
  background-color: var(--bg-primary);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  overflow-x: hidden;
  background-color: var(--bg-primary);
  color: var(--text-body);
  font-weight: 400;
  letter-spacing: -0.01em;
}

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

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

a:hover {
  color: var(--color-royal-blue-hover);
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Typography Hierarchy */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

h1 { font-size: clamp(2rem, 3.8vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.65rem, 2.8vw, 2.25rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.15rem; font-weight: 600; }
h5 { font-size: 1rem; font-weight: 600; }

p {
  line-height: 1.68;
  color: var(--text-body);
}

.text-navy { color: var(--color-royal-blue-deep); }
.text-blue { color: var(--color-royal-blue); }
.text-muted { color: var(--text-muted); }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Container & Sections */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 80px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }
}

/* Alternating Section Backgrounds (All strictly light & bright) */
.section-white { background-color: var(--bg-primary); }
.section-ice-blue { background-color: var(--bg-ice-blue); }
.section-ivory { background-color: var(--bg-warm-ivory); }
.section-soft-green { background-color: var(--bg-soft-green); }

/* Section Header Component */
.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background-color: var(--color-sky-blue-light);
  color: var(--color-royal-blue);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
  border: 1px solid rgba(2, 132, 199, 0.15);
}

.section-eyebrow.green-badge {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
  border-color: var(--color-emerald-border);
}

.section-eyebrow.gold-badge {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  border-color: var(--color-gold-border);
}

.section-title {
  margin-bottom: 14px;
  color: var(--text-heading);
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  outline: none;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.35);
}

.btn-primary {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-royal-blue-hover);
  color: var(--color-white);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-royal-blue);
  border: 1.5px solid var(--border-light);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--color-sky-blue-subtle);
  border-color: var(--color-royal-blue);
  color: var(--color-royal-blue);
  transform: translateY(-1px);
}

.btn-gold {
  background-color: var(--color-gold-accent);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.25);
}

.btn-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   Section 1: Clean White Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-logo-ace {
  height: 44px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
  display: block;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.header-nav-link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.header-nav-link:hover,
.header-nav-link.active {
  color: var(--color-royal-blue);
}

.header-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--color-royal-blue);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  white-space: nowrap;
}

.header-phone-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-royal-blue);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  background-color: var(--color-sky-blue-subtle);
  border: 1px solid rgba(2, 132, 199, 0.18);
  transition: all var(--transition-fast);
  white-space: nowrap !important;
  flex-shrink: 0;
  line-height: 1;
}

.header-phone-link i,
.header-phone-link svg {
  flex-shrink: 0;
  font-size: 0.95rem;
}

.header-phone-link span,
.header-phone-link .phone-number-text {
  white-space: nowrap !important;
  display: inline-block;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.header-phone-link:hover {
  background-color: var(--color-sky-blue-light);
  color: var(--color-royal-blue-hover);
  transform: translateY(-1px);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text-heading);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: var(--color-white);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  z-index: 999;
  overflow-y: auto;
  border-top: 1px solid var(--border-light);
}

.mobile-nav-drawer.open {
  transform: translateX(0);
}

.mobile-nav-link {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-heading);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link:hover {
  color: var(--color-royal-blue);
}

@media (max-width: 991px) {
  .header-nav { display: none; }
  .header-phone-link {
    display: inline-flex;
    padding: 7px 11px;
    font-size: 0.8125rem;
    gap: 6px;
    white-space: nowrap !important;
    flex-shrink: 0;
  }
  .header-actions {
    gap: 10px;
    flex-shrink: 0;
  }
  .header-actions .btn-sm {
    display: none;
  }
  .mobile-menu-toggle { display: block; }
  .header-logo-ace { height: 38px; }
}

@media (max-width: 480px) {
  .header-phone-link {
    padding: 6px 9px;
    font-size: 0.75rem;
    gap: 5px;
  }
  .header-phone-link i,
  .header-phone-link svg {
    width: auto;
    font-size: 0.8125rem;
  }
  .header-logo-ace {
    height: 34px;
  }
}

/* ==========================================================================
   Section 2: Hero Section (Bright, Clean, Above-the-Fold CRO)
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 85%);
  padding: 40px 0 60px;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -80px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.hero-rera-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
  border: 1px solid var(--color-emerald-border);
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.hero-location-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-sky-blue-light);
  color: var(--color-sky-blue);
  border: 1px solid rgba(2, 132, 199, 0.2);
  padding: 6px 14px;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.hero-headline {
  color: var(--text-heading);
  line-height: 1.2;
}

.hero-headline .highlight {
  color: var(--color-royal-blue);
  position: relative;
}

.hero-supporting-text {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--text-body);
}

/* 3 Concise Feature Pills */
.hero-feature-pills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 6px 0;
}

.hero-pill {
  background-color: var(--color-white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.hero-pill:hover {
  transform: translateY(-2px);
  border-color: var(--color-sky-blue);
}

.hero-pill-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-sky-blue-light);
  color: var(--color-royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.hero-pill-icon.green {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
}

.hero-pill-icon.gold {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
}

.hero-pill-text {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.3;
}

.hero-pill-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Hero CTA Row */
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 8px;
}

/* Hero Visual / Form Container */
.hero-visual-card {
  position: relative;
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 8px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  max-height: 380px;
}

.hero-banner-img {
  width: 100%;
  height: 100%;
  max-height: 380px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-image-wrapper:hover .hero-banner-img {
  transform: scale(1.02);
}

.hero-image-badge {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-royal-blue);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Hero Inline Mini-Form Card */
.hero-form-card {
  margin-top: 14px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  border: 1px solid var(--border-light);
}

.hero-form-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-form-title span {
  font-size: 0.75rem;
  color: var(--color-emerald);
  font-weight: 600;
  background-color: var(--color-emerald-light);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.hero-mini-form {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr;
  gap: 10px;
  align-items: center;
}

.hero-mini-form input,
.hero-mini-form select {
  width: 100%;
  padding: 10px 12px;
  font-size: 0.875rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle-gray);
  color: var(--text-main);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.hero-mini-form input:focus,
.hero-mini-form select:focus {
  outline: none;
  border-color: var(--color-royal-blue);
  background-color: var(--color-white);
}

.hero-mini-form .btn {
  padding: 10px 14px;
  font-size: 0.875rem;
}

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-feature-pills {
    grid-template-columns: 1fr;
  }
  .hero-mini-form {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 3: Project Highlights (Clean Icon Cards)
   ========================================================================== */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.highlight-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
}

.highlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-royal-blue), var(--color-sky-blue));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.highlight-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(29, 78, 216, 0.2);
}

.highlight-card:hover::before {
  opacity: 1;
}

.highlight-icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: var(--color-sky-blue-subtle);
  border: 1px solid rgba(2, 132, 199, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-royal-blue);
  font-size: 1.4rem;
  transition: transform var(--transition-fast);
}

.highlight-card:hover .highlight-icon-box {
  transform: scale(1.08);
}

.highlight-icon-box.green {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
  border-color: var(--color-emerald-border);
}

.highlight-icon-box.gold {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
  border-color: var(--color-gold-border);
}

.highlight-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-heading);
}

.highlight-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-body);
}

@media (max-width: 991px) {
  .highlights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ==========================================================================
   Section 4: About ACE Starlit (Two-Column)
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  background-color: var(--color-white);
}

.about-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-image-wrapper:hover .about-img {
  transform: scale(1.02);
}

.about-experience-badge {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-experience-badge .num {
  font-size: 1.875rem;
  font-weight: 800;
  color: var(--color-royal-blue);
  line-height: 1;
}

.about-experience-badge .lbl {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-heading);
  text-transform: uppercase;
  line-height: 1.3;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.about-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 16px 0;
  padding: 18px 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.about-stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-royal-blue);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
}

@media (max-width: 991px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

/* ==========================================================================
   Section 5: Residences & Specifications
   ========================================================================== */
.residences-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 56px;
}

.residence-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.residence-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(29, 78, 216, 0.25);
}

.residence-media {
  position: relative;
  background-color: var(--bg-subtle-gray);
  height: 240px;
  overflow: hidden;
}

.residence-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.residence-card:hover .residence-img {
  transform: scale(1.04);
}

.residence-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.residence-tag.gold {
  background-color: var(--color-gold-accent);
}

.residence-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-grow: 1;
}

.residence-title {
  font-size: 1.35rem;
  color: var(--text-heading);
}

.residence-subtitle {
  font-size: 0.875rem;
  color: var(--color-royal-blue);
  font-weight: 600;
}

.residence-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.residence-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-body);
}

.feature-check {
  color: var(--color-emerald);
  flex-shrink: 0;
  font-size: 1.1rem;
  margin-top: 2px;
}

.residence-card-actions {
  display: flex;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* Verified Specifications Panel */
.specifications-panel {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.spec-item {
  background-color: var(--bg-ice-blue);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid rgba(2, 132, 199, 0.12);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.spec-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: var(--shadow-xs);
}

.spec-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-heading);
}

.spec-detail {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.5;
}

@media (max-width: 991px) {
  .residences-grid {
    grid-template-columns: 1fr;
  }
  .specs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 540px) {
  .specs-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 6: Lifestyle & Amenities (Image-Led Grid)
   ========================================================================== */
.amenities-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  background-color: var(--color-white);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--color-sky-blue-subtle);
  border-color: var(--color-royal-blue);
  color: var(--color-royal-blue);
}

.filter-btn.active {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  border-color: var(--color-royal-blue);
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.25);
}

.amenities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.amenity-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.amenity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.3);
}

.amenity-img-box {
  position: relative;
  height: 200px;
  overflow: hidden;
  background-color: var(--bg-subtle-gray);
}

.amenity-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.amenity-category-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-royal-blue);
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-xs);
}

.amenity-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex-grow: 1;
}

.amenity-name {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-heading);
}

.amenity-detail {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.5;
}

@media (max-width: 991px) {
  .amenities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .amenities-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 7: Location Advantages (Sector 152 Noida Expressway)
   ========================================================================== */
.location-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items: start;
}

.location-highlights-box {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.location-card-group {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.location-item-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: all var(--transition-fast);
}

.location-item-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-royal-blue);
}

.location-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-sky-blue-light);
  color: var(--color-royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.location-icon-badge.green {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
}

.location-icon-badge.gold {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
}

.location-item-text {
  flex-grow: 1;
}

.location-item-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.status-tag.existing {
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
}

.status-tag.upcoming {
  background-color: var(--color-sky-blue-light);
  color: var(--color-sky-blue);
}

.status-tag.proposed {
  background-color: var(--color-gold-light);
  color: var(--color-gold);
}

.location-item-desc {
  font-size: 0.8125rem;
  color: var(--text-body);
  line-height: 1.45;
}

/* Education Hub Pill Container */
.education-box {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
}

.education-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
}

.education-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.edu-pill {
  background-color: var(--bg-ice-blue);
  color: var(--text-heading);
  border: 1px solid rgba(2, 132, 199, 0.15);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
}

/* Map Display Container */
.location-map-container {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 16px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: calc(var(--header-height) + 24px);
}

.map-toggle-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.map-toggle-btn {
  flex: 1;
  padding: 10px 12px;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background-color: var(--bg-subtle-gray);
  border: 1.5px solid var(--border-light);
  color: var(--text-heading);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.map-toggle-btn:hover {
  border-color: var(--color-royal-blue);
  color: var(--color-royal-blue);
}

.map-toggle-btn.active {
  background-color: var(--color-royal-blue);
  color: var(--color-white);
  border-color: var(--color-royal-blue);
  box-shadow: 0 2px 8px rgba(29, 78, 216, 0.25);
}

.map-display-wrapper {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  min-height: 420px;
  background-color: #ffffff;
  border: 1.5px solid var(--border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.map-display-wrapper:hover {
  border-color: var(--color-royal-blue);
  box-shadow: var(--shadow-md);
}

.map-img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: contain;
  display: block;
  transition: transform 0.3s ease;
}

.map-display-wrapper:hover .map-img {
  transform: scale(1.02);
}

.map-enlarge-badge {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: var(--shadow-md);
  pointer-events: none;
  transition: all 0.2s ease;
}

.map-display-wrapper:hover .map-enlarge-badge {
  background: var(--color-royal-blue);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(29, 78, 216, 0.4);
}

.map-iframe {
  width: 100%;
  height: 460px;
  border: 0;
  border-radius: var(--radius-sm);
}

@media (max-width: 991px) {
  .location-grid {
    grid-template-columns: 1fr;
  }
  .location-map-container {
    position: static;
  }
}

/* ==========================================================================
   Section 8: Photo Gallery (With Lightbox)
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
  background-color: var(--bg-subtle-gray);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
}

.gallery-item:first-child,
.gallery-item:nth-child(7) {
  grid-column: span 2;
  aspect-ratio: 16 / 9;
}

.gallery-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover .gallery-thumb {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0) 40%, rgba(15, 23, 42, 0.75) 100%);
  display: flex;
  align-items: flex-end;
  padding: 16px;
  opacity: 0.9;
  transition: opacity var(--transition-fast);
}

.gallery-caption {
  color: var(--color-white);
  font-size: 0.875rem;
  font-weight: 600;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.6);
}

.gallery-zoom-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
}

.gallery-item:hover .gallery-zoom-icon {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 991px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item:first-child,
  .gallery-item:nth-child(7) {
    grid-column: span 1;
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 500px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 9: Why Consider ACE Starlit? (Fact-Based Cards)
   ========================================================================== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(29, 78, 216, 0.25);
}

.why-num {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-sky-blue);
  opacity: 0.4;
  line-height: 1;
}

.why-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-heading);
}

.why-card-desc {
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.6;
}

@media (max-width: 991px) {
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 10: Lead Generation Section (Conversion Focused)
   ========================================================================== */
.lead-section {
  background: linear-gradient(180deg, #edf5fe 0%, #ffffff 100%);
  position: relative;
}

.lead-box-wrapper {
  max-width: 860px;
  margin: 0 auto;
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 44px 48px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
}

.lead-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.lead-form-grid .full-width {
  grid-column: span 2;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-label .req {
  color: #dc2626;
  margin-left: 3px;
}

.form-label .opt {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle-gray);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-royal-blue);
  background-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
}

.form-input.error,
.form-select.error {
  border-color: #dc2626;
  background-color: #fef2f2;
}

.error-msg {
  font-size: 0.75rem;
  color: #dc2626;
  font-weight: 500;
  display: none;
}

.error-msg.visible {
  display: block;
}

/* Radio / Config Choices */
.config-options-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.config-radio-label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  background-color: var(--bg-subtle-gray);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-heading);
  transition: all var(--transition-fast);
}

.config-radio-label:hover {
  background-color: var(--color-sky-blue-subtle);
  border-color: var(--color-sky-blue);
}

.config-radio-label input[type="radio"] {
  accent-color: var(--color-royal-blue);
}

.config-radio-label.selected {
  border-color: var(--color-royal-blue);
  background-color: var(--color-sky-blue-subtle);
  color: var(--color-royal-blue);
}

/* Consent Checkbox */
.consent-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.consent-checkbox {
  margin-top: 3px;
  accent-color: var(--color-royal-blue);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.privacy-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

@media (max-width: 768px) {
  .lead-box-wrapper {
    padding: 28px 20px;
  }
  .lead-form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .lead-form-grid .full-width {
    grid-column: span 1;
  }
  .config-options-group {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 11: FAQs (Clean Accordion)
   ========================================================================== */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: var(--color-royal-blue);
  box-shadow: var(--shadow-sm);
}

.faq-question-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-heading);
  gap: 16px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-question-btn:hover {
  color: var(--color-royal-blue);
}

.faq-icon-arrow {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle-gray);
  color: var(--color-royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.8125rem;
  transition: transform var(--transition-normal), background-color var(--transition-fast);
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
  background-color: var(--color-royal-blue);
  color: var(--color-white);
}

.faq-answer-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  padding: 0 24px;
}

.faq-answer-content {
  padding-bottom: 20px;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: var(--text-body);
}

/* ==========================================================================
   Section 12: Trust & Legal Information
   ========================================================================== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.trust-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.trust-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.trust-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-emerald-light);
  color: var(--color-emerald);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.trust-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-heading);
}

.trust-card-body {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.55;
}

.rera-highlight-code {
  font-family: monospace;
  font-weight: 700;
  color: var(--color-royal-blue);
  background-color: var(--color-sky-blue-light);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  display: inline-block;
  margin-top: 4px;
}

.disclaimer-box {
  background-color: var(--bg-subtle-gray);
  border-radius: var(--radius-md);
  padding: 20px;
  border: 1px solid var(--border-light);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 991px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Section 13: Clean White Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--border-light);
  padding: 60px 0 28px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logos {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-logo-ace {
  height: 38px;
  width: auto;
  object-fit: contain;
  display: block;
}

.footer-logo-proj {
  height: 36px;
  width: auto;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--text-body);
  line-height: 1.6;
}

.footer-col-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-heading);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-body);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-royal-blue);
}

.footer-contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-body);
}

.footer-contact-item i {
  color: var(--color-royal-blue);
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom-bar {
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

@media (max-width: 991px) {
  .footer-top-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
  }
}

/* ==========================================================================
   Mobile Sticky Bottom CTA Bar
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-white);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  z-index: 990;
  box-shadow: 0 -4px 16px rgba(15, 23, 42, 0.08);
  transition: transform var(--transition-normal);
}

.mobile-sticky-bar.hidden {
  transform: translateY(100%);
}

.mobile-sticky-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-sticky-grid .btn {
  padding: 12px;
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: block;
  }
  body {
    padding-bottom: 68px; /* space for sticky bar */
  }
}

/* ==========================================================================
   Modals & Lightbox Components
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.modal-backdrop.open {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  padding: 36px 32px;
  transform: translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-backdrop.open .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--bg-subtle-gray);
  color: var(--text-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: #fee2e2;
  color: #dc2626;
}

.modal-header {
  margin-bottom: 24px;
}

.modal-title {
  font-size: 1.35rem;
  color: var(--text-heading);
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Floor Plan Modal (Wider Dialog) */
.floorplan-modal-dialog {
  max-width: 840px;
}

.floorplan-modal-img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  background-color: var(--bg-subtle-gray);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  margin-bottom: 16px;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.92);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.lightbox-modal.open {
  display: flex;
  opacity: 1;
}

.lightbox-content-box {
  position: relative;
  max-width: 1040px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 3050;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.6);
  background-color: #0f172a;
}

.lightbox-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 16px;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.lightbox-caption-bar {
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
}

.lightbox-close-pill {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.lightbox-close-pill:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

.lightbox-close-btn {
  position: fixed;
  top: 24px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.45);
  transition: all 0.2s ease;
  z-index: 3200;
  outline: none;
}

.lightbox-close-btn:hover {
  background: #fee2e2;
  color: #dc2626;
  border-color: #fca5a5;
  transform: scale(1.1);
}

.lightbox-close-btn:focus-visible {
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.4);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 3100;
}

.lightbox-nav-btn:hover {
  background: rgba(255, 255, 255, 0.5);
  color: #0f172a;
}

.lightbox-prev-btn { left: -68px; }
.lightbox-next-btn { right: -68px; }

@media (max-width: 1180px) {
  .lightbox-prev-btn { left: 14px; }
  .lightbox-next-btn { right: 14px; }
  .lightbox-close-btn { top: 16px; right: 16px; width: 42px; height: 42px; }
}

/* Submission Success State */
.submission-success-banner {
  display: none;
  background-color: var(--color-emerald-light);
  border: 1.5px solid var(--color-emerald);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  margin-top: 20px;
}

.submission-success-banner.visible {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.success-check-icon {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background-color: var(--color-emerald);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

/* Utilities & Animations */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
}