/* ==========================================================================
   DA INTERIORS | ARCHITECTURAL & BESPOKE LIVING
   Design System: Clean Warm Light Luxury (Matching dainterior.in)
   Typography: Plus Jakarta Sans (Headings) + Inter (Body)
   ========================================================================== */

:root {
  --bg-canvas: #fdfbf7;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #f7f5f0;
  --bg-surface-elevated: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.75);

  --text-primary: #121213;
  --text-secondary: #4a4947;
  --text-muted: #787672;
  --text-light: #a3a19b;

  --accent: #c29d6d;
  --accent-light: #dfba89;
  --accent-dark: #9e7948;
  --accent-subtle: rgba(194, 157, 109, 0.12);
  --accent-chip: #d6b485;

  --border-subtle: rgba(18, 18, 19, 0.08);
  --border-glass: rgba(255, 255, 255, 0.4);
  --border-accent: rgba(194, 157, 109, 0.35);

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 30px -10px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 45px -15px rgba(0, 0, 0, 0.1);
  --shadow-accent: 0 10px 25px -5px rgba(194, 157, 109, 0.3);

  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background: var(--bg-canvas);
}

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

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

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ==========================================================================
   Floating Frosted Glass Navbar (Clean, Structured, Never Overflowing)
   ========================================================================== */
.header-wrapper {
  position: fixed;
  top: 20px;
  left: 0;
  right: 0;
  z-index: 99;
  display: flex;
  justify-content: center;
  padding: 0 14px;
  pointer-events: none;
}

.header-nav {
  pointer-events: auto;
  width: 100%;
  max-width: 1080px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(220, 215, 205, 0.75);
  box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.09);
  border-radius: 9999px;
  padding: 10px 12px 10px 14px;
  min-height: 52px;
  transition: var(--transition-smooth);
  box-sizing: border-box;
}

@media (min-width: 480px) {
  .header-nav {
    padding: 11px 14px 11px 18px;
    gap: 14px;
  }
}

@media (min-width: 768px) {
  .header-wrapper {
    top: 22px;
    padding: 0 16px;
  }
  .header-nav {
    padding: 12px 18px 12px 22px;
    gap: 20px;
    min-height: 56px;
  }
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-width: 0;
}

@media (min-width: 768px) {
  .brand-link {
    gap: 10px;
  }
}

.brand-symbol {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .brand-symbol {
    width: 32px;
    height: 32px;
  }
}

.brand-titles {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1.15;
}

.brand-title-main {
  font-family: var(--font-heading);
  font-size: 0.80rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  white-space: nowrap;
}

@media (min-width: 480px) {
  .brand-title-main {
    font-size: 0.88rem;
    letter-spacing: 0.06em;
  }
}

@media (min-width: 768px) {
  .brand-title-main {
    font-size: 1.05rem;
    letter-spacing: 0.08em;
  }
}

.brand-title-sub {
  font-family: var(--font-body);
  font-size: 0.48rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .brand-title-sub {
    font-size: 0.58rem;
    letter-spacing: 0.20em;
  }
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 24px;
}

@media (min-width: 900px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
}

.btn-nav-book {
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 7px 11px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.14);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  flex-shrink: 0;
  text-decoration: none;
}

@media (min-width: 480px) {
  .btn-nav-book {
    font-size: 0.76rem;
    padding: 8px 14px;
  }
}

@media (min-width: 768px) {
  .btn-nav-book {
    font-size: 0.82rem;
    padding: 9px 18px;
  }
}

.btn-nav-book:hover {
  background: #242220;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   Hero Section (Clean, Spacious, Non-Clustered)
   ========================================================================== */
.hero-section {
  padding-top: 135px;
  padding-bottom: 50px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

@media (min-width: 768px) {
  .hero-section {
    padding-top: 155px;
    padding-bottom: 70px;
  }
}

.hero-badge-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-eyebrow {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--accent);
  text-transform: uppercase;
  display: inline-block;
}

.hero-warranty-tag {
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(194, 157, 109, 0.4);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  line-height: 1.15;
  font-weight: 400;
  color: var(--text-primary);
  max-width: 850px;
  margin: 0 auto 30px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 4rem;
    line-height: 1.12;
  }
}

/* ==========================================================================
   3D Perspective Photo Wall (The Iconic dainterior.in Carousel)
   ========================================================================== */
.photo-wall-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
  margin: 20px 0 40px;
  height: 340px;
}

@media (min-width: 640px) {
  .photo-wall-wrapper {
    height: 440px;
  }
}

@media (min-width: 1024px) {
  .photo-wall-wrapper {
    height: 500px;
  }
}

.photo-wall-fade-left,
.photo-wall-fade-right {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 15%;
  z-index: 10;
  pointer-events: none;
}

.photo-wall-fade-left {
  left: 0;
  background: linear-gradient(to right, var(--bg-canvas), transparent);
}

.photo-wall-fade-right {
  right: 0;
  background: linear-gradient(to left, var(--bg-canvas), transparent);
}

.photo-wall-stage {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1200px;
}

.photo-wall-track {
  display: flex;
  align-items: center;
  transform-style: preserve-3d;
  animation: scrollWall 34s linear infinite;
  animation-fill-mode: both;
  transform: translate3d(0, 0, 0);
  -webkit-transform: translate3d(0, 0, 0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  width: max-content;
  will-change: transform;
}

.photo-wall-group {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-right: 16px;
  flex-shrink: 0;
}

.photo-wall-track:hover {
  animation-play-state: paused;
}

@keyframes scrollWall {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.photo-card {
  width: 200px;
  height: 280px;
  border-radius: 18px;
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  position: relative;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  background: #eae7e0;
}

@media (min-width: 768px) {
  .photo-card {
    width: 250px;
    height: 360px;
    border-radius: 22px;
  }
}

.photo-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.16);
  z-index: 20;
}

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.55) 0%, transparent 60%);
  display: flex;
  align-items: flex-end;
  padding: 14px;
}

.photo-card-title {
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1.2;
}

/* Hero Action Buttons (from Screenshot 1) */
.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin: 0 auto;
  padding: 0 16px;
}

.btn-request {
  background: #1e1d1b;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 34px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 12px 25px -6px rgba(0, 0, 0, 0.25);
  transition: var(--transition-fast);
}

.btn-request:hover {
  background: #0c0c0d;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px -6px rgba(0, 0, 0, 0.35);
}

.btn-estimate {
  background: rgba(247, 243, 235, 0.9);
  color: var(--text-primary);
  border: 1px solid rgba(194, 157, 109, 0.5);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 30px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.btn-estimate:hover {
  background: #ffffff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.btn-selected-works {
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 16px 20px;
  transition: var(--transition-fast);
}

.btn-selected-works:hover {
  color: var(--text-primary);
}

/* ==========================================================================
   Trust Metrics Floating Card
   ========================================================================== */
.metrics-section {
  padding: 20px 0 60px;
}

.metrics-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  padding: 36px 30px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

@media (min-width: 768px) {
  .metrics-card {
    grid-template-columns: repeat(4, 1fr);
    padding: 44px 40px;
  }
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.metric-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 6px;
  background: linear-gradient(135deg, #121213 0%, #c29d6d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
  .metric-value {
    font-size: 3.2rem;
  }
}

.metric-label {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ==========================================================================
   Real Kolkata Project Dossiers (Option 1 Touch Carousel)
   ========================================================================== */
.dossiers-section {
  padding: 70px 0 90px;
  background: var(--bg-canvas);
}

.dossiers-header {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

@media (min-width: 768px) {
  .dossiers-header {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.dossiers-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

@media (min-width: 768px) {
  .dossiers-title {
    font-size: 3rem;
    line-height: 1.1;
  }
}

.dossiers-desc {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 620px;
}

.dossiers-nav-buttons {
  display: none;
}

@media (min-width: 768px) {
  .dossiers-nav-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
}

.dossier-arrow-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.dossier-arrow-btn:hover {
  background: #121213;
  color: #ffffff;
  border-color: #121213;
  transform: translateY(-2px);
}

/* Carousel Track & Cards */
.dossiers-carousel-wrapper {
  overflow: hidden;
  width: 100%;
  padding: 8px 4px 16px;
  cursor: grab;
}

.dossiers-carousel-wrapper:active {
  cursor: grabbing;
}

.dossiers-track {
  display: flex;
  gap: 20px;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.dossier-card {
  width: calc(100vw - 56px);
  max-width: 380px;
  flex-shrink: 0;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

@media (min-width: 768px) {
  .dossier-card {
    width: 380px;
  }
}

.dossier-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(194, 157, 109, 0.3);
}

.dossier-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #eae7e0;
}

.dossier-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease;
}

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

.dossier-tag-top {
  position: absolute;
  top: 14px;
  left: 14px;
  right: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.dossier-loc-badge {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dossier-turnkey-badge {
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
}

.dossier-body {
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.dossier-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.dossier-config {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.dossier-area {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
}

.dossier-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.dossier-summary {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
  flex: 1;
}

.dossier-specs-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.dossier-spec-chip {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.btn-dossier-action {
  width: 100%;
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 14px 18px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-dossier-action:hover {
  background: #2b2927;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Dots Pagination */
.dossiers-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.dossier-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: #d8d5cf;
  cursor: pointer;
  transition: all 0.3s ease;
}

.dossier-dot.active {
  width: 28px;
  background: var(--accent);
}

/* ==========================================================================
   Real Kolkata Client Reviews / Social Proof
   ========================================================================== */
.reviews-section {
  padding: 70px 0 85px;
  background: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.reviews-header {
  margin-bottom: 36px;
}

.reviews-header .works-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.reviews-header .section-heading {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .reviews-header .section-heading {
    font-size: 2.5rem;
  }
}

.reviews-header .section-subheading {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

@media (min-width: 768px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.07);
}

.review-stars {
  color: #c29d6d;
  font-size: 1.1rem;
  letter-spacing: 3px;
  margin-bottom: 12px;
}

.review-text {
  font-size: 0.90rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 14px;
}

.review-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(194, 157, 109, 0.15);
  color: var(--accent-dark);
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.review-name {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.review-society {
  display: block;
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 600;
  margin-top: 1px;
}

/* Exclusivity Badge */
.funnel-capacity-wrapper {
  text-align: center;
  margin-bottom: 14px;
}

.funnel-capacity-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(194, 157, 109, 0.12);
  border: 1px solid rgba(194, 157, 109, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-dark);
  letter-spacing: 0.02em;
}

.capacity-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #20ba59;
  box-shadow: 0 0 0 2px rgba(32, 186, 89, 0.2);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* What Happens Next Reassurance */
.what-happens-next-box {
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  margin-bottom: 22px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.whn-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
}

.whn-steps {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.whn-step-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.whn-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.70rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ==========================================================================
   Clean Architectural Lead Funnel Section
   ========================================================================== */
.funnel-section {
  padding: 70px 0 90px;
  background: #ffffff;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  scroll-margin-top: 100px;
}

.funnel-box {
  max-width: 720px;
  margin: 0 auto;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 20px;
  box-shadow: var(--shadow-md);
  scroll-margin-top: 100px;
  min-height: 520px;
  transition: min-height 0.2s ease;
}

@media (min-width: 768px) {
  .funnel-box {
    padding: 50px 48px;
    min-height: 540px;
  }
}

/* Step Progress Bar */
.step-progress-wrapper {
  margin-bottom: 24px;
}

.step-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.step-progress-label {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
}

.step-progress-badge {
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-surface-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.step-progress-track {
  width: 100%;
  height: 4px;
  background: #eae7e0;
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.step-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Wizard Steps */
.wizard-step {
  display: none;
  animation: wizardFadeIn 0.3s ease forwards;
}

.wizard-step.active {
  display: block;
}

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

.wizard-nav-top {
  margin-bottom: 8px;
}

.btn-wizard-back {
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition-fast);
}

.btn-wizard-back:hover {
  color: var(--text-primary);
}

.wizard-step-title {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  .wizard-step-title {
    font-size: 1.75rem;
  }
}

.wizard-step-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Wizard Options Vertical List (1-Tap Auto-Advance) */
.wizard-options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wizard-option-item {
  display: block;
  position: relative;
  cursor: pointer;
}

.wizard-option-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.wizard-option-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.wizard-option-item:hover .wizard-option-box {
  border-color: var(--accent);
  background: rgba(194, 157, 109, 0.04);
}

.wizard-option-item:active .wizard-option-box {
  transform: scale(0.98);
  border-color: var(--accent);
  background: rgba(194, 157, 109, 0.08);
}

.wizard-option-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.wizard-option-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(194, 157, 109, 0.08);
  border: 1px solid rgba(194, 157, 109, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  transition: var(--transition-fast);
}

.wizard-option-item:hover .wizard-option-icon {
  background: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.wizard-option-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.wizard-option-meta {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.wizard-option-arrow {
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}

.wizard-option-item:hover .wizard-option-arrow {
  transform: translateX(3px);
}

/* Carpet Area Custom Field */
.custom-area-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 20px 0 14px;
  color: var(--text-muted);
  font-family: var(--font-heading);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.custom-area-divider::before,
.custom-area-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-subtle);
}

.custom-area-divider span {
  padding: 0 12px;
}

.custom-area-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.custom-area-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.custom-area-input-wrap .clean-input {
  padding-right: 70px;
}

.custom-area-unit {
  position: absolute;
  right: 18px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  pointer-events: none;
}

/* Step 4 Timeline Options & Structured Mobile UX */
.wizard-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.wizard-timeline-item {
  position: relative;
  cursor: pointer;
  display: block;
}

.wizard-timeline-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.wizard-timeline-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.wizard-timeline-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-subtle);
  background: #ffffff;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.wizard-timeline-item:hover .wizard-timeline-box {
  border-color: var(--accent);
  background: rgba(194, 157, 109, 0.04);
}

.wizard-timeline-item input[type="radio"]:checked + .wizard-timeline-box {
  background: #121213;
  border-color: #121213;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.wizard-timeline-item input[type="radio"]:checked + .wizard-timeline-box .wizard-timeline-dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 2px #121213;
}

.wizard-timeline-text {
  font-family: var(--font-heading);
  font-size: 0.90rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.2s ease;
}

.wizard-timeline-item input[type="radio"]:checked + .wizard-timeline-box .wizard-timeline-text {
  color: #ffffff;
  font-weight: 700;
}

.btn-wizard-next {
  width: 100%;
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 16px 24px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-fast);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  margin-top: 24px;
}

.btn-wizard-next:hover {
  background: #2b2927;
  transform: translateY(-2px);
}

.wizard-privacy-note {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.76rem;
  color: var(--text-muted);
  margin: 14px 0 18px;
  line-height: 1.4;
}

.wizard-privacy-note svg {
  flex-shrink: 0;
}

/* Inputs */
.clean-input,
.clean-select {
  width: 100%;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition-fast);
}

.clean-input:focus,
.clean-select:focus {
  border-color: #121213;
  box-shadow: 0 0 0 3px rgba(18, 18, 19, 0.08);
}

.clean-phone-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.clean-phone-prefix {
  position: absolute;
  left: 18px;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.clean-phone-input {
  padding-left: 56px !important;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.form-field-error {
  display: none;
  color: #d93838;
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 6px;
}

.has-error .clean-input,
.has-error .clean-select {
  border-color: #d93838;
}

.has-error .form-field-error {
  display: block;
}

/* Submit Button */
.btn-funnel-submit {
  width: 100%;
  background: #121213;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 18px 30px;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}

.btn-funnel-submit:hover {
  background: #242220;
  transform: translateY(-2px);
}

.btn-funnel-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Spinner */
.clean-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #ffffff;
  animation: cleanSpin 0.7s linear infinite;
}

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

/* Success Confirmation State */
.funnel-success-view {
  text-align: center;
  padding: 30px 10px;
}

.success-check-circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(194, 157, 109, 0.15);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-check-circle svg {
  width: 34px;
  height: 34px;
}

.success-header {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.success-info {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 26px;
  line-height: 1.6;
}

.success-warranty-card {
  margin-top: 24px;
  background: #ffffff;
  border: 1.5px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-align: left;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}

.success-warranty-card svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.success-warranty-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.success-warranty-desc {
  display: block;
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.btn-success-wa:hover {
  background: #20ba59;
  transform: translateY(-2px);
}

/* ==========================================================================
   Floating WhatsApp Button (Exact from Screenshot 2)
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 99;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
}

@media (max-width: 600px) {
  .funnel-box {
    padding: 26px 16px 36px;
    border-radius: 20px;
  }
  .floating-whatsapp {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
    z-index: 50;
  }
  .floating-whatsapp svg {
    width: 26px;
    height: 26px;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.clean-footer {
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-canvas);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.clean-footer a {
  color: var(--text-primary);
  font-weight: 600;
}