/* ==========================================================================
   VARIANT 3: YOUR ENERGY. SMARTER. (ISOMETRIC / CLEANTECH THEME)
   Matches Column 3 of Reference Mockup with Refined CleanTech Aesthetics:
   - Modern Hero with Smart House Graphic & Floating Callout Pins
   - 4-Item Metric Cards Strip (Generation, Savings, CO2, Projects)
   - 4-Step Zero-Effort Customer Journey
   - 5 Smart Tool Cards Grid (Calculators & Estimators)
   - Real-Time Smart Solar App & Monitoring Hub
   - Clean Energy Comparison Matrix
   - NEW: Curated CleanTech Installation Gallery (4 Photo Grid)
   - 4 Featured Project Cards (Our Projects in Action)
   - Waaree Experience Center Clean Hub Card
   - 5 Feature Icons Strip (On-Grid, Off-Grid, Hybrid, Net Metering, AMC)
   - Full-Width Blue Bottom CTA Bar
   ========================================================================== */

:root {
  --v3-blue: #0E64B8;
  --v3-blue-dark: #0A4D8C;
  --v3-blue-soft: #EEF6FC;
  --v3-navy: #0C2340;
}

/* 1. Hero Section */
.v3-ref-hero {
  padding: 80px 0 70px 0;
  background: radial-gradient(circle at 90% 10%, rgba(14, 100, 184, 0.06) 0%, rgba(255, 255, 255, 1) 60%), #FFFFFF;
  border-bottom: 1px solid var(--vhn-border);
}

.v3-ref-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.v3-ref-hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 5vw, 4.2rem);
  font-weight: 800;
  color: var(--v3-navy);
  line-height: 1.12;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

.v3-ref-hero-title span {
  color: var(--v3-blue);
  display: block;
}

.v3-ref-hero-sub {
  font-size: 1.18rem;
  color: var(--vhn-text-muted);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 540px;
}

/* Smart House Frame with Callout Pins */
.v3-smart-house-frame {
  position: relative;
  background: #F8FAFC;
  border: 1.5px solid var(--vhn-border);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 0 20px 40px -10px rgba(12, 35, 64, 0.08);
  overflow: hidden;
}

.v3-house-img {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: 20px;
  object-fit: cover;
  display: block;
}

.v3-pin-tag {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(226, 232, 240, 0.9);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-family: 'Outfit', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--v3-navy);
  box-shadow: 0 10px 20px rgba(12, 35, 64, 0.12);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform var(--trans-fast);
  z-index: 5;
}

.v3-pin-tag:hover {
  transform: scale(1.06);
  border-color: var(--v3-blue);
}

.v3-pin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 6px #10B981;
}

.v3-pin-1 { top: 36px; right: 36px; }
.v3-pin-2 { top: 96px; right: 30px; }
.v3-pin-3 { bottom: 100px; right: 36px; }
.v3-pin-4 { bottom: 36px; right: 36px; }

/* 2. Trust Metric 4-Card Strip */
.v3-metric-strip {
  background: #FAFAFC;
  border-bottom: 1px solid var(--vhn-border);
  padding: 36px 0;
}

.v3-metric-4grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.v3-metric-pill-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 20px;
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
}

.v3-metric-pill-card:hover {
  border-color: var(--v3-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.v3-metric-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--v3-blue-soft);
  color: var(--v3-blue);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.v3-metric-num {
  font-family: 'Outfit', sans-serif;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--v3-navy);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.v3-metric-label {
  font-size: 0.86rem;
  color: var(--vhn-text-muted);
  font-weight: 600;
}

/* 3. 4-Step Zero-Effort Customer Journey */
.v3-journey-4grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.v3-journey-card {
  background: #FFFFFF;
  border: 1.5px solid var(--vhn-border);
  border-radius: 24px;
  padding: 32px 24px;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
}

.v3-journey-card:hover {
  border-color: var(--v3-blue);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.v3-journey-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--v3-blue-soft);
  color: var(--v3-blue);
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.v3-journey-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 8px;
}

.v3-journey-desc {
  font-size: 0.9rem;
  color: var(--vhn-text-muted);
  line-height: 1.6;
}

/* 4. Smart Tools 5-Grid */
.v3-tools-5grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.v3-tool-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 20px;
  padding: 32px 18px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
  cursor: pointer;
}

.v3-tool-card:hover {
  border-color: var(--v3-blue);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.v3-tool-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--v3-blue-soft);
  color: var(--v3-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  transition: all var(--trans-fast);
}

.v3-tool-card:hover .v3-tool-icon-wrap {
  background: var(--v3-blue);
  color: #FFFFFF;
}

.v3-tool-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--v3-navy);
}

/* 5. Real-Time Smart Solar App & Monitoring Hub */
.v3-app-showcase-box {
  background: #0C2340;
  color: #FFFFFF;
  border-radius: 28px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-top: 36px;
}

.v3-app-content h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.v3-app-features-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 24px 0;
}

.v3-app-features-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: #E2E8F0;
}

.v3-app-mock-card {
  background: #FFFFFF;
  color: var(--v3-navy);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.v3-app-mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--vhn-border);
  padding-bottom: 12px;
}

.v3-app-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--vhn-border-subtle);
  font-size: 0.92rem;
}

/* 6. Clean Energy Comparison Matrix */
.v3-energy-comp-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 36px;
  border: 1px solid var(--vhn-border);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #FFFFFF;
}

.v3-energy-comp-table th,
.v3-energy-comp-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--vhn-border);
  font-size: 0.94rem;
}

.v3-energy-comp-table th {
  background: #F8FAFC;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  color: var(--v3-navy);
  font-size: 1.05rem;
}

.v3-energy-comp-table tr:last-child td {
  border-bottom: none;
}

/* 7. NEW: Curated CleanTech Installation Gallery */
.v3-gallery-4grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.v3-gallery-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
}

.v3-gallery-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--v3-blue);
}

.v3-gallery-thumb {
  aspect-ratio: 16/11;
  overflow: hidden;
  background: #FAFAFC;
}

.v3-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.v3-gallery-card:hover .v3-gallery-thumb img {
  transform: scale(1.08);
}

.v3-gallery-body {
  padding: 16px;
}

.v3-gallery-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 2px;
}

.v3-gallery-loc {
  font-size: 0.8rem;
  color: var(--vhn-text-muted);
}

/* 8. Our Projects in Action (4 Grid) */
.v3-projects-4grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.v3-proj-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
}

.v3-proj-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--v3-blue);
}

.v3-proj-img {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #FAFAFC;
}

.v3-proj-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-slow);
}

.v3-proj-card:hover .v3-proj-img img {
  transform: scale(1.08);
}

.v3-proj-body {
  padding: 18px 16px;
}

.v3-proj-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--v3-navy);
  margin-bottom: 4px;
}

.v3-proj-loc {
  font-size: 0.84rem;
  color: var(--vhn-text-muted);
}

/* 9. Waaree Experience Center Clean Card */
.v3-ec-hub-card {
  background: #FFFFFF;
  border: 1.5px solid var(--vhn-border);
  border-radius: 28px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  align-items: center;
  box-shadow: var(--shadow-md);
}

.v3-ec-hub-content {
  padding: 48px;
}

.v3-ec-hub-photo {
  height: 100%;
  min-height: 380px;
  background: #FAFAFC;
}

.v3-ec-hub-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 10. 5 Feature Icons Strip */
.v3-feature-icons-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  margin-top: 40px;
}

.v3-feat-icon-card {
  background: #FFFFFF;
  border: 1px solid var(--vhn-border);
  border-radius: 18px;
  padding: 28px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-xs);
  transition: all var(--trans-normal);
}

.v3-feat-icon-card:hover {
  border-color: var(--v3-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.v3-feat-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--v3-blue-soft);
  color: var(--v3-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.v3-feat-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--v3-navy);
}

/* 11. Bottom Blue CTA Bar */
.v3-bottom-cta {
  background: var(--v3-blue-dark);
  color: #FFFFFF;
  padding: 44px 0;
}

.v3-cta-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

@media (max-width: 1024px) {
  .v3-ref-hero-grid,
  .v3-ec-hub-card,
  .v3-app-showcase-box {
    grid-template-columns: 1fr;
  }
  .v3-metric-4grid,
  .v3-journey-4grid,
  .v3-gallery-4grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .v3-tools-5grid,
  .v3-projects-4grid,
  .v3-feature-icons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .v3-ref-hero {
    padding: 40px 0 50px 0;
  }
  .v3-hero-title {
    font-size: clamp(1.85rem, 7.5vw, 2.35rem) !important;
    line-height: 1.2 !important;
    word-break: normal !important;
    overflow-wrap: break-word !important;
    margin-bottom: 14px !important;
  }
  .v3-hero-sub {
    font-size: 1rem !important;
    margin-bottom: 20px !important;
  }
  .v3-hero-cta-row {
    flex-direction: column !important;
    width: 100% !important;
    gap: 10px !important;
  }
  .v3-hero-cta-row .btn {
    width: 100% !important;
    text-align: center !important;
    justify-content: center !important;
  }
  .v3-metric-4grid,
  .v3-journey-4grid,
  .v3-gallery-4grid,
  .v3-tools-5grid,
  .v3-projects-4grid,
  .v3-feature-icons-grid {
    grid-template-columns: 1fr;
  }
  .v3-pin-tag {
    padding: 6px 12px;
    font-size: 0.76rem;
  }
  .v3-app-content,
  .v3-ec-hub-content {
    padding: 28px 20px !important;
  }
  .v3-cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .v3-cta-inner div:has(> .btn) {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
  }
  .v3-cta-inner .btn {
    width: 100% !important;
  }
}