/* ==========================================================================
   VOLT'S LEGACY SOLAR - Master Responsive Breakpoints & Universal Device Styles
   Covers: Mobile (320px - 480px), Phablets (481px - 640px), Tablets (641px - 1024px),
   Laptops (1025px - 1200px), Desktops (1201px+), & All Touch Displays
   ========================================================================== */

/* --------------------------------------------------------------------------
   0. Global Universal Device Guard & Anti-Overflow Normalization
   -------------------------------------------------------------------------- */
html, body {
  overflow-x: hidden !important;
  max-width: 100vw !important;
  width: 100% !important;
  -webkit-text-size-adjust: 100%;
}

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

/* Responsive Image & Media Containment */
img, video, canvas {
  max-width: 100% !important;
  height: auto;
}

svg {
  max-width: 100%;
}

/* Touch Device Interaction Optimizations */
button, .btn, .nav-link, .mobile-nav-link, .mobile-submenu-link, .filter-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* iOS Safari Zero Auto-Zoom Protection (Font size >= 16px) */
input, select, textarea, .form-control, .cig-form-control, .sfh-3way-number-input {
  font-size: 16px !important;
  max-width: 100% !important;
}

/* Universal Smooth Scrollable Table Containers */
.table-responsive,
.sfh-3way-table-responsive {
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: auto !important;
  -webkit-overflow-scrolling: touch !important;
  overscroll-behavior-x: contain;
}

/* --------------------------------------------------------------------------
   1. Mobile Hamburger Toggle & Slide-out Navigation Drawer
   -------------------------------------------------------------------------- */
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-md, 10px);
  background: var(--gray-100, #f1f5f9);
  border: 1px solid var(--gray-300, #cbd5e1);
  color: var(--primary-900, #071530);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast, 0.15s ease);
  padding: 0;
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:active {
  background: var(--blue-50, #eff6ff);
  color: var(--blue-600, #1a56db);
  border-color: var(--blue-400, #3b82f6);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Drawer Overlay */
.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 21, 48, 0.75);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base, 0.25s ease);
}

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

/* Mobile Drawer Panel */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 86%;
  max-width: 380px;
  height: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--white, #ffffff);
  z-index: 1600;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding-top: env(safe-area-inset-top, 0);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.35rem;
  border-bottom: 1px solid var(--gray-200, #e2e8f0);
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.mobile-drawer-logo {
  height: 48px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.mobile-drawer-close {
  width: 40px;
  height: 40px;
  min-width: 40px;
  min-height: 40px;
  border-radius: 50%;
  background: var(--gray-100, #f1f5f9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-700, #334155);
  font-size: 1.25rem;
  cursor: pointer;
  border: 1px solid var(--gray-200, #e2e8f0);
  transition: all 0.2s ease;
}

.mobile-drawer-close:hover,
.mobile-drawer-close:active {
  background: #fee2e2;
  color: #dc2626;
}

.mobile-nav-list {
  list-style: none;
  padding: 0.5rem 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--gray-100, #f1f5f9);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.95rem 1.35rem;
  font-family: var(--font-heading, sans-serif);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--primary-900, #071530);
  text-decoration: none;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  min-height: 48px;
  transition: all 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link:active,
.mobile-nav-link.active {
  color: var(--blue-600, #1a56db);
  background: var(--blue-50, #eff6ff);
}

.mobile-accordion-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.mobile-nav-item.open .mobile-accordion-icon {
  transform: rotate(180deg);
}

.mobile-submenu {
  list-style: none;
  background: var(--gray-50, #f8fafc);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 0 1.25rem;
}

.mobile-nav-item.open .mobile-submenu {
  max-height: 1200px;
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--gray-200, #e2e8f0);
}

.mobile-submenu-item {
  margin: 0.3rem 0;
}

.mobile-submenu-header {
  padding: 0.5rem 0.5rem 0.25rem;
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--solar-gold-600, #d97706);
  border-top: 1px dashed var(--gray-200, #e2e8f0);
  margin-top: 0.5rem;
}

.mobile-submenu-indent {
  padding-left: 0.85rem;
}

.mobile-submenu-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  color: var(--text-muted, #475569);
  font-weight: 600;
  padding: 0.55rem 0.65rem;
  border-radius: 6px;
  text-decoration: none;
  min-height: 40px;
  transition: all 0.15s ease;
}

.mobile-submenu-link:hover,
.mobile-submenu-link:active,
.mobile-submenu-link.active {
  color: var(--blue-600, #1a56db);
  background: var(--blue-50, #eff6ff);
}

.mobile-drawer-footer {
  padding: 1.25rem 1.35rem;
  margin-top: auto;
  border-top: 1px solid var(--gray-200, #e2e8f0);
  background: #ffffff;
  position: sticky;
  bottom: 0;
}

.btn-w-full {
  width: 100% !important;
  text-align: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   2. Compact Desktop & Laptop Breakpoint (1025px - 1200px)
   Prevents desktop menu collision on 11"-13" laptops and landscape tablets
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) and (max-width: 1240px) {
  .site-header {
    height: 80px;
  }
  .brand-logo-img {
    height: 58px;
  }
  .nav-desktop {
    gap: 0.75rem;
  }
  .nav-links-list {
    gap: 0.25rem;
  }
  .nav-link {
    padding: 0.5rem 0.65rem;
    font-size: 0.88rem;
  }
  .header-actions .btn-quotation-header {
    padding: 0.65rem 1.15rem;
    font-size: 0.88rem;
  }
}

/* --------------------------------------------------------------------------
   3. Tablet & Small Laptop Breakpoint (<= 1180px)
   Primary switch to mobile hamburger to guarantee zero header distortion
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
  :root {
    --header-height: 76px;
  }

  .site-header {
    height: 76px;
  }

  .nav-desktop {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: flex !important;
  }

  .header-actions .btn-quotation-header {
    display: none !important;
  }

  .brand-logo-img {
    height: 56px;
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
  }

  .footer-grid > div:last-child {
    grid-column: 1 / -1;
  }

  .offerings-grid-5 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1.5rem !important;
  }
}

/* --------------------------------------------------------------------------
   4. Medium Tablets & iPad Portrait (<= 1024px)
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .split-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .quote-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .offerings-grid,
  .solutions-grid,
  .projects-grid,
  .trust-grid,
  .blogs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .social-app-buttons-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .solar-journey-timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .solar-journey-track {
    display: none;
  }

  .pergola-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  /* Scaled Hero Banner - No awkward fixed 580px */
  .hero-section {
    min-height: unset !important;
    height: clamp(340px, 48vw, 540px) !important;
  }

  .hero-controls {
    bottom: 1.25rem;
    right: 1.25rem;
  }

  /* Commercial / Industrial / Ground Mount Grids */
  .cig-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cig-calc-grid-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .cig-cards-grid-3,
  .cig-cards-grid-4,
  .cig-cards-grid-6,
  .cig-compare-grid,
  .cig-compare-grid-4,
  .cig-process-grid-6,
  .cig-checks-grid,
  .cig-trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  /* Projects detail grid */
  .peta-main-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Design & Consulting */
  .dc-hero-grid,
  .dc-service-item,
  .dc-service-item.reverse {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .dc-service-img {
    height: 320px;
  }
}

/* --------------------------------------------------------------------------
   5. Small Tablets & Landscape Mobile (<= 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .section,
  .solar-journey-section,
  .on-grid-simulator-section {
    padding-top: 1.75rem !important;
    padding-bottom: 1.75rem !important;
  }

  .section-header {
    margin-bottom: 1.25rem;
  }

  .section-title {
    font-size: clamp(1.75rem, 5vw, 2.25rem) !important;
  }

  .section-subtitle {
    font-size: 0.98rem !important;
  }

  /* Hero Section Scaled for Tablets & Phones */
  .hero-section {
    min-height: unset !important;
    height: clamp(260px, 54vw, 420px) !important;
  }

  .hero-slide {
    background-size: cover !important;
    background-position: center center !important;
  }

  .hero-controls {
    display: none !important;
  }

  /* Trust Strip 2-Column Responsive Layout */
  .trust-strip {
    padding: 1rem 0;
  }

  .trust-strip-inner {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem !important;
    align-items: center;
  }

  .trust-pill {
    display: flex;
    align-items: center;
    gap: 0.6rem;
  }

  .trust-pill-text {
    font-size: 0.82rem !important;
    line-height: 1.3;
  }

  .trust-pill-icon {
    width: 28px;
    height: 28px;
    min-width: 28px;
    font-size: 0.75rem;
  }

  /* On-Grid Simulator Mobile Responsive Engine */
  .og-control-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .og-mode-toggle-group {
    width: 100%;
    display: flex;
  }

  .og-mode-btn {
    flex: 1;
    justify-content: center;
    padding: 0.65rem 0.85rem;
    font-size: 0.82rem;
  }

  .og-status-pill {
    width: 100%;
    justify-content: center;
    font-size: 0.78rem;
    padding: 0.6rem 0.85rem;
    text-align: center;
  }

  .og-simulation-stage {
    padding: 0.85rem 0.35rem !important;
    border-radius: 16px;
  }

  .og-telemetry-dashboard {
    padding: 1.25rem 1rem !important;
    border-radius: 16px;
  }

  .og-telemetry-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .og-metrics-grid {
    grid-template-columns: 1fr !important;
    gap: 0.85rem;
  }

  .og-meter-display-box {
    padding: 1rem 0.85rem !important;
  }

  .og-phases-grid {
    grid-template-columns: 1fr !important;
    gap: 0.85rem;
  }

  .og-phase-card {
    padding: 1rem 1.15rem !important;
  }

  .og-results-strip {
    padding: 1.5rem 1.15rem !important;
    border-radius: 16px;
  }

  .og-benefits-row {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .og-results-actions {
    flex-direction: column;
    width: 100%;
  }

  .og-results-actions .btn {
    width: 100%;
  }

  /* Solar Journey Timeline */
  .solar-journey-timeline {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
    position: relative;
    padding-left: 1.5rem !important;
  }

  .solar-journey-timeline::before {
    content: '';
    position: absolute;
    top: 20px;
    bottom: 20px;
    left: 4px;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6 0%, #f59e0b 50%, #10b981 100%);
    border-radius: 4px;
  }

  .solar-energy-flow-motif {
    padding: 0.75rem 1rem;
    gap: 0.6rem;
    font-size: 0.8rem;
    flex-wrap: wrap;
  }

  .journey-trust-strip {
    padding: 1.5rem 1.15rem !important;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .govt-guideline-strip {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
  }

  /* Grid Layouts to 1 Column */
  .offerings-grid,
  .offerings-grid-5,
  .solutions-grid,
  .projects-grid,
  .trust-grid,
  .blogs-grid,
  .contact-info-grid,
  .process-steps-grid,
  .consulting-features-grid,
  .form-grid,
  .calc-results-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem;
  }

  .pergola-showcase-section {
    padding: 1.5rem 1.15rem;
  }

  .pergola-photos-cluster {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 2.5rem 1.25rem !important;
  }

  .cta-banner-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-banner-actions .btn {
    width: 100%;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem;
    padding: 2.5rem 0 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-bottom-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  /* Floating WhatsApp Button Scaling */
  .floating-wa-btn {
    bottom: 1.25rem !important;
    right: 1.25rem !important;
    width: 52px !important;
    height: 52px !important;
  }

  .floating-wa-tooltip {
    display: none !important;
  }

  /* Commercial & Industrial Sub-pages */
  .cig-hero-section {
    padding: 2.25rem 0 2rem !important;
  }

  .cig-hero-img {
    height: 250px !important;
  }

  .cig-hero-flow-bar {
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
  }

  .cig-cards-grid-3,
  .cig-cards-grid-4,
  .cig-cards-grid-6,
  .cig-compare-grid,
  .cig-compare-grid-4,
  .cig-process-grid-6,
  .cig-checks-grid,
  .cig-metrics-grid-4x2,
  .cig-input-row-2,
  .cig-input-row-3,
  .cig-form-grid,
  .cig-trust-bar {
    grid-template-columns: 1fr !important;
    gap: 1.15rem;
  }

  .cig-calc-container {
    padding: 1.5rem 1.15rem !important;
  }

  .cig-form-card {
    padding: 1.75rem 1.25rem !important;
  }

  /* Projects Filter Bar Horizontal Scroll */
  .projects-filter-bar {
    justify-content: flex-start !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    flex-wrap: nowrap !important;
    padding-bottom: 0.75rem !important;
    gap: 0.5rem !important;
    margin-bottom: 2rem !important;
  }

  .filter-btn {
    flex-shrink: 0 !important;
    padding: 0.45rem 1rem !important;
    font-size: 0.85rem !important;
  }

  /* Blueprint Viewer Subpage */
  .peta-hero {
    padding: 2rem 0 1.5rem !important;
  }

  .peta-hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .peta-main-viewport {
    height: 260px !important;
  }

  .peta-sibling-nav {
    grid-template-columns: 1fr !important;
    gap: 1rem;
  }

  /* Design & Consulting Before/After Slider */
  .dc-ba-container {
    height: clamp(230px, 52vw, 360px) !important;
    max-width: 100% !important;
  }

  .dc-ba-after-wrap .dc-ba-after-img {
    width: 100% !important;
    min-width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
  }

  .dc-ba-label {
    font-size: 0.68rem !important;
    padding: 0.25rem 0.65rem !important;
    bottom: 0.75rem !important;
  }

  .dc-ba-label.before {
    right: 0.75rem !important;
  }

  .dc-ba-label.after {
    left: 0.75rem !important;
  }

  .dc-hotspot-img {
    height: 280px !important;
  }

  .dc-hotspot-pin {
    width: 28px !important;
    height: 28px !important;
    font-size: 0.72rem !important;
  }

  .dc-hotspot-detail-box {
    position: static !important;
    margin-top: 1rem !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 0.75rem !important;
  }

  .dc-pillars-grid {
    grid-template-columns: 1fr !important;
    gap: 1.25rem !important;
  }
}

/* --------------------------------------------------------------------------
   6. Standard Smartphone & Phablet Breakpoint (<= 576px / 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 576px) {
  .site-header {
    height: 68px !important;
  }

  .brand-logo-img {
    height: 48px !important;
    max-width: 170px;
  }

  .container {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }

  .hero-section {
    height: clamp(210px, 60vw, 320px) !important;
  }

  .hero-title {
    font-size: 1.85rem !important;
  }

  .section-title {
    font-size: 1.65rem !important;
  }

  .section-tag {
    font-size: 0.75rem !important;
    padding: 0.25rem 0.75rem !important;
  }

  .trust-strip-inner {
    grid-template-columns: 1fr !important;
    gap: 0.75rem !important;
  }

  .hero-ctas,
  .sfh-hero-actions,
  .sfhs-hero-actions,
  .cig-hero-actions {
    flex-direction: column !important;
    width: 100% !important;
    gap: 0.75rem !important;
  }

  .hero-ctas .btn,
  .sfh-hero-actions .btn,
  .sfhs-hero-actions .btn,
  .cig-hero-actions .btn {
    width: 100% !important;
  }

  .calculator-card,
  .quote-form-card,
  .sfh-calculator-card,
  .sfhs-form-card,
  .cig-form-card {
    padding: 1.25rem 1rem !important;
    border-radius: var(--radius-lg, 16px) !important;
  }

  .modal-card {
    padding: 1.5rem 1.15rem !important;
    border-radius: var(--radius-lg, 16px) !important;
    width: 95% !important;
    max-height: 88vh !important;
  }

  .modal-close {
    top: 0.75rem !important;
    right: 0.75rem !important;
    width: 34px !important;
    height: 34px !important;
  }

  /* Housing Societies specific mobile rules */
  .sfhs-hero-title {
    font-size: 1.8rem !important;
  }

  .sfhs-section-title {
    font-size: 1.55rem !important;
  }

  .sfhs-hero-floating-badge {
    position: static !important;
    margin-bottom: 0.5rem !important;
    display: inline-flex !important;
  }

  .sfhs-longterm-grid-6 {
    grid-template-columns: 1fr !important;
  }

  .sfhs-loads-problem-grid,
  .sfhs-uses-grid-6,
  .sfhs-8-metrics-grid,
  .sfhs-reg-grid-4,
  .sg-steps-grid-8,
  .checklist-grid-18 {
    grid-template-columns: 1fr !important;
  }

  /* Commercial floating badge cleanup */
  .cig-floating-badge {
    position: static !important;
    margin: 0.4rem 0.4rem 0 0 !important;
    display: inline-flex !important;
    font-size: 0.75rem !important;
  }

  .cig-image-card {
    padding-bottom: 0.5rem;
  }

  /* Sibling Navigation on Project Detail */
  .peta-sibling-card {
    padding: 1rem !important;
  }

  .peta-sibling-img {
    width: 58px !important;
    height: 44px !important;
  }
}

/* --------------------------------------------------------------------------
   7. Extra Small Mobile Devices (<= 360px)
   -------------------------------------------------------------------------- */
@media (max-width: 360px) {
  .site-header {
    height: 64px !important;
  }

  .brand-logo-img {
    height: 42px !important;
    max-width: 145px;
  }

  .container {
    padding-left: 0.75rem !important;
    padding-right: 0.75rem !important;
  }

  .mobile-menu-toggle {
    width: 38px !important;
    height: 38px !important;
  }

  .mobile-drawer {
    width: 92% !important;
  }

  .section-title {
    font-size: 1.45rem !important;
  }

  .btn {
    padding: 0.7rem 1.15rem !important;
    font-size: 0.88rem !important;
  }

  .floating-wa-btn {
    width: 48px !important;
    height: 48px !important;
    bottom: 1rem !important;
    right: 1rem !important;
  }

  .floating-wa-btn svg {
    width: 26px !important;
    height: 26px !important;
  }
}

/* --------------------------------------------------------------------------
   8. Solar for Homes (/solar-for-homes) Detail Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .sfh-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sfh-trust-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .sfh-process-grid-6 {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .sfh-why-grid-6,
  .sfh-sizing-grid-4,
  .sfh-step-flow-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .sfh-loan-journey-5,
  .sfh-timeline-grid-6 {
    grid-template-columns: repeat(3, 1fr);
  }

  .sfh-space-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .sfhs-safety-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .sfh-calc-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sfh-idea-grid,
  .sfh-emi-calc-row,
  .sfh-during-after-grid,
  .sfh-financing-grid,
  .sfh-comp-cards-grid,
  .sfh-3way-cards-grid,
  .sfh-form-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .sfh-sidebar-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .sfh-simple-survey-card {
    padding: 1.5rem 1.15rem;
  }

  .sfh-survey-ribbon {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
  }

  .sfh-form-row-2 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sfh-hero-title {
    font-size: 2.15rem;
  }

  .sfh-hero-text {
    font-size: 1rem;
  }

  .sfh-trust-bar {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .sfh-subsidy-cards-grid,
  .sfh-why-grid-6,
  .sfh-sizing-grid-4,
  .sfh-step-flow-4,
  .sfh-loan-journey-5,
  .sfh-timeline-grid-6,
  .sfh-roi-interactive-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .sfh-process-grid-6 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    position: relative;
    padding-left: 1.5rem;
  }

  .sfh-process-grid-6::before {
    content: '';
    position: absolute;
    top: 15px;
    bottom: 15px;
    left: 4px;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6 0%, #f59e0b 50%, #10b981 100%);
    border-radius: 4px;
  }

  .sfh-chart-grid {
    gap: 0.5rem;
    height: 200px;
    padding: 1.5rem 0.25rem 0;
  }

  .sfh-calculator-card {
    padding: 1.75rem 1.25rem;
  }

  .sfh-calc-outputs-grid {
    grid-template-columns: 1fr;
  }

  .sfh-3way-specs-bar {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .sfh-fin-metrics-grid,
  .sfh-space-list,
  .sfhs-safety-grid-4 {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   9. Housing Societies (/solar-for-housing-societies) Detail Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .sfhs-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .sfhs-trust-bar,
  .sfhs-uses-grid-6,
  .sfhs-cfa-steps-grid-4,
  .sfhs-process-grid-6,
  .sfhs-reasons-grid-6,
  .sfhs-roof-grid-4,
  .sfhs-reg-grid-4,
  .sg-steps-grid-8,
  .checklist-grid-18 {
    grid-template-columns: repeat(2, 1fr);
  }

  .sfhs-models-grid-3,
  .sfhs-compare-grid,
  .sfhs-cfa-rules-grid,
  .preview-examples-row,
  .sfhs-calc-grid-layout,
  .sfhs-3way-cards-grid,
  .sfhs-diagram-grid,
  .ev-solar-grid,
  .sfhs-quality-grid-3,
  .sfhs-env-counters-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .sfhs-trust-bar,
  .sfhs-loads-problem-grid,
  .sfhs-uses-grid-6,
  .sfhs-cfa-steps-grid-4,
  .sfhs-reasons-grid-6,
  .sfhs-roof-grid-4,
  .sfhs-8-metrics-grid,
  .soc-input-row-2,
  .soc-input-row-3,
  .sfhs-reg-grid-4,
  .sg-steps-grid-8,
  .checklist-grid-18,
  .sfh-form-row-2 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .sfhs-process-grid-6 {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    position: relative;
    padding-left: 1.5rem;
  }

  .sfhs-process-grid-6::before {
    content: '';
    position: absolute;
    top: 15px;
    bottom: 15px;
    left: 4px;
    width: 3px;
    background: linear-gradient(180deg, #3b82f6 0%, #f59e0b 50%, #10b981 100%);
    border-radius: 4px;
  }

  .sfhs-decision-flow-5,
  .sfhs-after-journey-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .sfhs-decision-step,
  .sfhs-journey-step {
    max-width: 100%;
    width: 100%;
  }

  .sfhs-decision-arrow,
  .sfhs-journey-arrow {
    transform: rotate(90deg);
    text-align: center;
    margin: 0.25rem 0;
  }

  .sfhs-calc-container,
  .sfhs-full-calc-container {
    padding: 1.5rem 1.15rem;
  }

  .sfhs-calc-layout,
  .sfhs-outputs-grid,
  .sfhs-example-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .formula-math-flow {
    flex-direction: column;
    align-items: stretch;
  }

  .f-op {
    transform: rotate(90deg);
    text-align: center;
    margin: 0.25rem 0;
  }
}

/* Hide floating WhatsApp button when mobile drawer is open to prevent overlapping */
body.mobile-menu-open .floating-wa-btn {
  display: none !important;
}